[GitHub] zshshr closed pull request #1999: merge code to master

[GitBox <gi...@apache.org>]

zshshr closed pull request #1999: merge code to master
URL: https://github.com/apache/incubator-weex/pull/1999
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):

diff --git a/WeexSDK.podspec b/WeexSDK.podspec
index 2f47a803fb..2a2b5aa700 100644
--- a/WeexSDK.podspec
+++ b/WeexSDK.podspec
@@ -47,7 +47,13 @@ Pod::Spec.new do |s|
                     'weex_core/Source/third_party/**/*.{h,hpp,m,mm,c,cpp,cc}',
                     'weex_core/Source/include/**/*.{h,hpp,m,mm,c,cpp,cc}'
   s.exclude_files = 'weex_core/Source/**/*android.{h,hpp,m,mm,c,cpp,cc}',
-                    'weex_core/Source/core/network/android/'
+                    'weex_core/Source/base/android',
+                    'weex_core/Source/base/crash',
+                    'weex_core/Source/base/utils',
+                    'weex_core/Source/third_party/IPC',
+                    'weex_core/Source/core/network/android/',
+                    'weex_core/Source/include/JavaScriptCore/',
+                    'weex_core/Source/include/wtf'
 
   s.private_header_files = 'ios/sdk/WeexSDK/Sources/Component/RecycleList/WXJSASTParser.h'
   s.public_header_files = 'ios/sdk/WeexSDK/Sources/WeexSDK.h',
diff --git a/android/sdk/assets/weex-main-jsfm.js b/android/sdk/assets/weex-main-jsfm.js
index a603e0ac5a..20d41765a1 100644
--- a/android/sdk/assets/weex-main-jsfm.js
+++ b/android/sdk/assets/weex-main-jsfm.js
@@ -1,2 +1,2 @@
-(this.nativeLog||function(e){console.log(e)})("Start JS Framework 0.29.1, Build at 2018-12-19 16:07. 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("+Object.keys(e.data)+")"),t.$registerModules(e.data))})},e.prototype.ready=function(){this.bridge.dispatchMessage({origin:this.label,target:"AppWorker",type:"Event",data:{type:"[[RendererRuntimeReady]]",data:{label:this.label,handshake:!this._gotAvailableModulesFromWeex}}},o,o)},e}(e),J=["$on","$once","$off","$emit","$cycle","$decycle","$call","$callAsync","$navTo","$getAvailableModules"];function W(e,t){var n=!(!e||!e.requireModule);!function(e){if(!e||!e.platform)return console.error("set logger environment failed.");Object.assign(u,e)}({platform:n&&e.config.env.platform,debugMode:n&&e.config.env.debugMode,isWeex:n}),d("Setup Windmill renderer framework."),e&&!e.requireModule&&(t=e,e=void 0),t||(t={}),d("Instantiate renderer in "+(((t=Object.assign({},t)).isWeex=n)?"Weex container":"WindVane container")+".");var o,i,r=new L(e,t),a=(o=r,i={},J.forEach(function(r){"function"==typeof o[r]&&(i[r]=function(){for(var e=arguments,t=[],n=arguments.length;n--;)t[n]=e[n];return o[r].apply(o,t)})}),i);return d("Prepare runtime APIs: "+JSON.stringify(J)),t.exposeModuleGetter&&s(C,g(function(){return a})),r.ready(),a}var q=/^@(windmill|weex)\/([\w_-]+)/;function B(i,e,t){if(!i.config||"windmill"!==i.config.container)return i;if("function"!=typeof i.requireModule)return i;var a=i.requireModule,s=t||g(function(){return e});return i.requireModule=function(e){var t="weex",n=e,r=q.exec(e);switch(r?(t=r[1],n=r[2]):"string"==typeof i.config.container&&(t=i.config.container),t){case"weex":return a.call(i,n);case"windmill":var o=s(n);return!o&&i.isRegisteredModule(n)?(h('Trying to call weex module "'+n+'" in windmill context!This is NOT a good practice, please use windmill module instead!'),a.call(i,n)):o;default:v('Failed to require scoped module "'+n+'", the "'+t+'" scope is unknown.')}},i}function U(s,c,e){var l={},n=e&&e.normalizeEventName||function(e){return e},r=!(!e||!e.noTriggerWorker);function o(e,t,n,r){void 0===r&&(r=!1);var o=c.getId();l[o]||(l[o]={});var i=l[o];if(i[e]||(i[e]=[]),i[e].push({handler:t,wrap:n}),r)return s.$once(e,n);s.$on(e,n)}var i={on:function(e,t){o(n(e),t,function(e){t.call(c.getVm(),e.data)})},once:function(e,t){o(n(e),t,function(e){t.call(c.getVm(),e.data)},!0)},off:function(e,t){!function(e,n){var t=c.getId(),r=l[t];if(!r)return h("Unbind event from page "+t+" with no event handlers.");var o,i,a=r[e];a?n?(a.forEach(function(e,t){e.handler===n&&(o=e,i=t)}),o&&o.wrap&&(a.splice(i,1),s.$off(e,o.wrap))):((l[t]||(l[t]={}))[e]=[],s.$off(e)):h("Unbind event '"+e+"' which has no event handler.")}(n(e),t)},emit:function(e,t){s.$emit(n(e),t),r&&s.$emit(e+"@"+c.getId(),t,"AppWorker")},call:"default"},a=function(){};return["on","off","emit","once","call"].reduce(function(e,t){var o,n="$"+t,r=i[t];return e[n]="function"==typeof r?r:"default"===r?(o=n,function(){for(var e=arguments,t=[],n=arguments.length;n--;)t[n]=e[n];var r=s[o];return r.apply(void 0,t)}):a,e},{})}var z="AppWorker";function H(e){switch(c(e)){case"Object":for(var t in e)H(e[t]);break;case"Array":e.forEach(H)}}return function(e){var a=e.createInstanceContext,t=Object.assign({},e);return t.createInstanceContext=function(e,t,n){var r=t&&t.weex;if(!r||"windmill"!==r.config.container)return a(e,t,n);var l,u,o=Object.assign({},a(e,t,n)),i=W(r);return o.weex=B(r,i),o.requireModule=function(e){return r.requireModule(e)},o.__vue_page__=(l=o,u=i,function(){function e(e,t){var n=this,r=t||l,o=r.Vue,i=r.weex,a=i.config,s=a.clientId,c=a.pageName;if(p("Create Page with id "+s+", pageName "+c+"."),this._id=i.config.clientId||null,this._name=i.config.pageName||null,this._vm=null,this._instanceContext=t||l,this._Vue=o,this._weex=i,this._windmill=u,this._hold=!1,this._options=e,this._state="function"==typeof e.data?e.data():e.data,e.data=function(){return n._state},o.prototype.$page=U(this._windmill,this),d("bind with $page: "+Object.keys(o.prototype.$page)),e._noLazy){p("Init vm instantly in Page constructor with no lazy.");try{this._initVm()}catch(e){v("[windmill-vue-renderer] init vm instantly failed: "+(e&&e.message))}}this._shakeHandsBeforeInit(),this._windmill.$once(w,this._onStateInit.bind(this))}return e.prototype.getVm=function(){return this._vm},e.prototype.getId=function(){return this._id},e.prototype._initVm=function(){var n=this,e=this._vm=new this._Vue(this._options),t=e.$options.data,r=0;e.$watch(function(){for(var e in t)H(t[e]);return r=(r+1)%2},function(e,t){n._hold?n._hold=!1:n._debouncedWatcherCb(e,t)},{sync:!0})},e.prototype._shakeHandsBeforeInit=function(){d("start handshaking with worker."),this._sendPageReady(),this._windmill.$once(_,this._onWorkerReady.bind(this))},e.prototype._sendPageReady=function(){d("Send "+b+" to worker."),this._windmill.$emit(b+"@"+this._id,{},z)},e.prototype._onWorkerReady=function(t){var n;try{n=JSON.stringify(t)}catch(e){n=t+""}d(_+" event received: "+n+".");var e=t.data,r=e.clientId,o=e.pageName;r&&(this._id=r),o&&(this._name=o),this._sendPageReady()},e.prototype._onStateInit=function(t){var n,r=this;try{n=JSON.stringify(t)}catch(e){n=t+""}d(w+" event received: "+n),this._windmill.$off(_),this._windmill.$on(S,this._onDataSync.bind(this));var e=t.data,o=t.origin,i=e.clientId,a=e.pageName,s=i||o;s&&(this._id=s),a&&(this._name=a),this._state=Object.assign(this._state||{},e.initialState||{}),this._windmill.$emit(k+"@"+this._id,{},z);var c=this._vm;if(d("debounce watcher callback for page data watcher binding."),this._debouncedWatcherCb=f(function(e,t){d("emit "+O+" event."),r._windmill.$emit(O+"@"+r._id,r._vm&&r._vm.$options.data,z)},1e3/60),c)this._mergeData(e);else try{p("Init vm after "+w+"."),this._initVm()}catch(e){v("[windmill-vue-renderer] "+(e&&e.message))}},e.prototype._onDataSync=function(t){var n;try{n=JSON.stringify(t)}catch(e){n=t+""}d(S+" event received: "+n);var e=t.data;this._mergeData(e,!0)},e.prototype._mergeData=function(e,t){void 0===t&&(t=!1);var n=this._vm,r=n.$options.data;for(var o in e)t&&(this._hold=!0),n.$set(r,o,e[o])},e}()),Object.freeze(o),o},t}}()});fi.Vue=yi(fi.Vue),function(e){var t=sr.init,n=sr.config;n.frameworks=e;var r=rn.native,o=rn.transformer;for(var i in pr)sr.service.register(i,pr[i]);sr.freezePrototype(),global.frameworkVersion=r,global.transformerVersion=o;var a=t(n),s=function(r){global[r]=function(){for(var e=[],t=arguments.length;t--;)e[t]=arguments[t];var n=a[r].apply(a,e);return n instanceof Error&&console.error(n.toString()),n}};for(var c in a)s(c)}(fi),Object.freeze(Object),Object.freeze(Array),nn(pi=Object.prototype,"__defineGetter__",di="Object.prototype"),nn(pi,"__defineSetter__",di),nn(pi,"__lookupGetter__",di),nn(pi,"__lookupSetter__",di),nn(pi,"constructor",di),nn(pi,"hasOwnProperty",di),nn(pi,"isPrototypeOf",di),nn(pi,"propertyIsEnumerable",di),nn(pi,"toLocaleString",di),nn(pi,"toString",di),nn(pi,"valueOf",di),Object.seal(pi),Object.freeze(Array.prototype),Object.freeze(String.prototype),Object.freeze(Number.prototype),Object.freeze(Boolean.prototype),nn(hi=Error.prototype,"name",vi="Error.prototype"),nn(hi,"message",vi),nn(hi,"toString",vi),nn(hi,"constructor",vi),Object.seal(hi),Object.freeze(Date.prototype),Object.freeze(RegExp.prototype),global.registerMethods(mi)});
 //# sourceMappingURL=weex-js-framework.min.js.map
diff --git a/android/sdk/build.gradle b/android/sdk/build.gradle
index 1dc2c19aaf..7dac40278b 100755
--- a/android/sdk/build.gradle
+++ b/android/sdk/build.gradle
@@ -65,10 +65,12 @@ checkstyle {
 version = project.hasProperty('weexVersion')? project.getProperty('weexVersion') : "0.20.0.1"
 
 android {
-
     delete 'libs/armeabi/libweexcore.so'
     delete 'libs/armeabi-v7a/libweexcore.so'
     delete 'libs/x86/libweexcore.so'
+    delete 'libs/armeabi/libweexjss.so'
+    delete 'libs/armeabi-v7a/libweexjss.so'
+    delete 'libs/x86/libweexjss.so'
 
     compileSdkVersion project.compileSdkVersion
     buildToolsVersion project.buildToolsVersion
@@ -123,6 +125,15 @@ android {
     def ARMEABI_Size = new File(projectDir,"libs/armeabi/libweexcore.so").length();
     def ARMEABIV7_Size = new File(projectDir,"libs/armeabi-v7/libweexcore.so").length();
     def X86_Size = new File(projectDir,"libs/x86/libweexcore.so").length();
+    def ndkversion = 16;
+    def api_level = "";
+    def compile_tool = "clang";
+    def cxx_stl = "c++_static";
+    if (ndkversion < 16) {
+        api_level = "android-14";
+    } else {
+        api_level = "android-19";
+    }
     println "ARMEABI_Size: "+ARMEABI_Size;
     println "ARMEABIV7_Size:" + ARMEABIV7_Size;
     println "X86_Size:" + X86_Size;
@@ -146,10 +157,11 @@ android {
 
         externalNativeBuild {
             cmake {
-                arguments '-DANDROID_PLATFORM=android-14',
-                        '-DANDROID_TOOLCHAIN=gcc',
-                        '-DANDROID_STL=gnustl_static',
-                        '-DCMAKE_BUILD_TYPE=Release'
+                arguments '-DANDROID_PLATFORM='+"${api_level}",
+                        '-DANDROID_TOOLCHAIN='+"${compile_tool}",
+                        '-DANDROID_STL='+"${cxx_stl}",
+                        '-DCMAKE_BUILD_TYPE=Release',
+                        '-DENABLE_ASAN=false'
             }
         }
     }
@@ -358,4 +370,4 @@ bintray {
             name = project.version
         }
     }
-}
\ No newline at end of file
+}
diff --git a/android/sdk/libs/armeabi-v7a/libJavaScriptCore.so b/android/sdk/libs/armeabi-v7a/libJavaScriptCore.so
index d530580c4d..03deedb522 100755
Binary files a/android/sdk/libs/armeabi-v7a/libJavaScriptCore.so and b/android/sdk/libs/armeabi-v7a/libJavaScriptCore.so differ
diff --git a/android/sdk/libs/armeabi-v7a/libWTF.so b/android/sdk/libs/armeabi-v7a/libWTF.so
new file mode 100755
index 0000000000..790bef24ae
Binary files /dev/null and b/android/sdk/libs/armeabi-v7a/libWTF.so differ
diff --git a/android/sdk/libs/armeabi-v7a/libweexjss.so b/android/sdk/libs/armeabi-v7a/libweexjss.so
old mode 100755
new mode 100644
index 8bab6c1f7e..9ca7221909
Binary files a/android/sdk/libs/armeabi-v7a/libweexjss.so and b/android/sdk/libs/armeabi-v7a/libweexjss.so differ
diff --git a/android/sdk/libs/armeabi/libJavaScriptCore.so b/android/sdk/libs/armeabi/libJavaScriptCore.so
index d530580c4d..03deedb522 100755
Binary files a/android/sdk/libs/armeabi/libJavaScriptCore.so and b/android/sdk/libs/armeabi/libJavaScriptCore.so differ
diff --git a/android/sdk/libs/armeabi/libWTF.so b/android/sdk/libs/armeabi/libWTF.so
new file mode 100755
index 0000000000..790bef24ae
Binary files /dev/null and b/android/sdk/libs/armeabi/libWTF.so differ
diff --git a/android/sdk/libs/armeabi/libweexjss.so b/android/sdk/libs/armeabi/libweexjss.so
old mode 100755
new mode 100644
index 8bab6c1f7e..9853537086
Binary files a/android/sdk/libs/armeabi/libweexjss.so and b/android/sdk/libs/armeabi/libweexjss.so differ
diff --git a/android/sdk/libs/x86/libJavaScriptCore.so b/android/sdk/libs/x86/libJavaScriptCore.so
old mode 100644
new mode 100755
index 0e0f9f5ed7..b7abc27353
Binary files a/android/sdk/libs/x86/libJavaScriptCore.so and b/android/sdk/libs/x86/libJavaScriptCore.so differ
diff --git a/android/sdk/libs/x86/libWTF.so b/android/sdk/libs/x86/libWTF.so
new file mode 100755
index 0000000000..0f4c2df6f3
Binary files /dev/null and b/android/sdk/libs/x86/libWTF.so differ
diff --git a/android/sdk/libs/x86/libweexjss.so b/android/sdk/libs/x86/libweexjss.so
index 67d67944f7..f960b900c2 100644
Binary files a/android/sdk/libs/x86/libweexjss.so and b/android/sdk/libs/x86/libweexjss.so differ
diff --git a/android/sdk/src/main/java/com/taobao/weex/ui/component/list/template/jni/NativeRenderObjectUtils.java b/android/sdk/src/main/java/com/taobao/weex/ui/component/list/template/jni/NativeRenderObjectUtils.java
index f665e8b18f..12f125a44e 100644
--- a/android/sdk/src/main/java/com/taobao/weex/ui/component/list/template/jni/NativeRenderObjectUtils.java
+++ b/android/sdk/src/main/java/com/taobao/weex/ui/component/list/template/jni/NativeRenderObjectUtils.java
@@ -63,7 +63,7 @@
     public static native boolean nativeRenderObjectHasNewLayout(long ptr);
     public static native int nativeRenderObjectChildCount(long ptr);
     public static native long nativeRenderObjectGetChild(long ptr, int index);
-    public static native long nativeRenderObjectUpdateComponent(long ptr, WXComponent component);
+    public static native void nativeRenderObjectUpdateComponent(long ptr, WXComponent component);
     public static native void nativeRenderObjectChildWaste(long ptr, boolean waster);
 
 
diff --git a/ios/playground/WeexDemo.xcodeproj/project.pbxproj b/ios/playground/WeexDemo.xcodeproj/project.pbxproj
index 1dd2b43b98..0d64451b25 100644
--- a/ios/playground/WeexDemo.xcodeproj/project.pbxproj
+++ b/ios/playground/WeexDemo.xcodeproj/project.pbxproj
@@ -392,7 +392,6 @@
 				775BEE781C1E8ECC008D1629 /* Frameworks */,
 				775BEE791C1E8ECC008D1629 /* Resources */,
 				C715566148067A7FFAB7797D /* [CP] Copy Pods Resources */,
-				ED72EE9F9A66E17E73D6C3BC /* [CP] Embed Pods Frameworks */,
 			);
 			buildRules = (
 			);
@@ -430,7 +429,6 @@
 				84361D3C1CA10F8E00F43825 /* Frameworks */,
 				84361D431CA10F8E00F43825 /* Resources */,
 				84361D6F1CA10F8E00F43825 /* [CP] Copy Pods Resources */,
-				EC0A67104CF45CC2B03DF0BE /* [CP] Embed Pods Frameworks */,
 			);
 			buildRules = (
 			);
@@ -542,7 +540,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n";
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
 		84361D6F1CA10F8E00F43825 /* [CP] Copy Pods Resources */ = {
@@ -592,7 +590,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n";
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
 		C715566148067A7FFAB7797D /* [CP] Copy Pods Resources */ = {
@@ -627,36 +625,6 @@
 			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-WeexDemo/Pods-WeexDemo-resources.sh\"\n";
 			showEnvVarsInLog = 0;
 		};
-		EC0A67104CF45CC2B03DF0BE /* [CP] Embed Pods Frameworks */ = {
-			isa = PBXShellScriptBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputPaths = (
-			);
-			name = "[CP] Embed Pods Frameworks";
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-WeexUITestDemo/Pods-WeexUITestDemo-frameworks.sh\"\n";
-			showEnvVarsInLog = 0;
-		};
-		ED72EE9F9A66E17E73D6C3BC /* [CP] Embed Pods Frameworks */ = {
-			isa = PBXShellScriptBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputPaths = (
-			);
-			name = "[CP] Embed Pods Frameworks";
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-WeexDemo/Pods-WeexDemo-frameworks.sh\"\n";
-			showEnvVarsInLog = 0;
-		};
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
diff --git a/ios/playground/WeexDemo/AppDelegate.m b/ios/playground/WeexDemo/AppDelegate.m
index 7a5bbcdc5a..25a6b95fc4 100644
--- a/ios/playground/WeexDemo/AppDelegate.m
+++ b/ios/playground/WeexDemo/AppDelegate.m
@@ -39,7 +39,6 @@
 #import "WXWebSocketDefaultImpl.h"
 #import <WeexPluginLoader/WeexPluginLoader.h>
 
-
 #ifdef DEBUG
 #import "DebugAnalyzer.h"
 #endif
diff --git a/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.mm b/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.mm
index c67f1bc98d..1e2c331e33 100644
--- a/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.mm
+++ b/ios/sdk/WeexSDK/Sources/Bridge/WXCoreBridge.mm
@@ -31,7 +31,8 @@
 #import "WXSDKEngine.h"
 #import "WXAppMonitorProtocol.h"
 
-#include "base/CoreConstants.h"
+#include "base/core_constants.h"
+#include "base/time_utils.h"
 #include "core/manager/weex_core_manager.h"
 #include "core/render/manager/render_manager.h"
 #include "core/render/page/render_page.h"
@@ -43,7 +44,6 @@
 #include "core/data_render/vnode/vnode_render_manager.h"
 #include "core/bridge/platform/core_side_in_platform.h"
 #include "core/bridge/script/core_side_in_script.h"
-#include "base/TimeUtils.h"
 #include "core/network/http_module.h"
 
 #import <objc/runtime.h>
diff --git a/weex_core/CMakeLists.txt b/weex_core/CMakeLists.txt
index b0dfca0dcf..2894e59436 100644
--- a/weex_core/CMakeLists.txt
+++ b/weex_core/CMakeLists.txt
@@ -1,21 +1,3 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-#
 cmake_minimum_required(VERSION 3.4.1)
 project(WeexCore)
 add_subdirectory(Source)
diff --git a/weex_core/Source/CMakeLists.txt b/weex_core/Source/CMakeLists.txt
index f3e5019aa4..c535fc780b 100644
--- a/weex_core/Source/CMakeLists.txt
+++ b/weex_core/Source/CMakeLists.txt
@@ -1,23 +1,6 @@
-#
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-#
 cmake_minimum_required(VERSION 3.4.1)
 set(WEEXCORE_LIBRARY_NAME weexcore)
+set(WEEX_CORE_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 
 message("${ANDROID_STL} ")
 if ("${ANDROID_STL}" STREQUAL "c++_static")
@@ -31,7 +14,6 @@ add_compile_options(-fexceptions)
 add_definitions(-DGNU_SUPPORT=1)
 add_definitions(-DJSONCPP_NO_LOCALE_SUPPORT=1)
 add_definitions(-DDEBUG=1)
-add_definitions(-DOS_ANDROID=1)
 
 add_definitions(-DRENDER_LOG=0)
 add_definitions(-DPERFORMANCE_LOG=0)
@@ -39,14 +21,19 @@ add_definitions(-DLAYOUT_LOG=0)
 add_definitions(-DJSAPI_LOG=0)
 add_definitions(-DDOM_PARSER_LOG=0)
 
+set(LOCAL_LIBRARIES_DIR ${CMAKE_CURRENT_SOURCE_DIR}/libs/${ANDROID_ABI})
+
+if ("${ANDROID_ABI}" STREQUAL "x86")
+    # todo
+else ()
+    if ("${ENABLE_ASAN}" STREQUAL "true")
+       set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer -g3 -fPIC")
+    endif ()
+endif ()
+
+add_compile_options(-fexceptions)
+
 set(COMMON_SRCS
-  ./base/time_point.cc
-  ./base/thread/thread_impl_posix.cc
-  ./base/thread/thread_impl_android.cc
-  ./base/message_loop/message_loop.cc
-  ./base/message_loop/message_pump_posix.cc
-  ./base/message_loop/message_pump_android.cc
-  ./base/third_party/icu/icu_utf.cpp
   ./core/render/manager/render_manager.cpp
   ./core/render/page/render_page.cpp
 
@@ -91,12 +78,7 @@ set(COMMON_SRCS
    ./core/data_render/class_array.cc
    ./core/data_render/class_json.cc
    ./core/data_render/class_string.cc
-   ./core/data_render/class_regex.cc
-   ./core/data_render/class_console.cc
-   ./core/data_render/class_window.cc
-   ./core/data_render/class_math.cc
    ./core/data_render/class_factory.cc
-   ./core/data_render/class_function.cc
    ./core/data_render/class_object.cc
    ./core/data_render/code_generator.cc
    ./core/data_render/exec_state.cc
@@ -115,43 +97,48 @@ set(COMMON_SRCS
    ./core/data_render/table.cc
    ./core/data_render/token.cc
    ./core/data_render/tokenizer.cc
-   ./core/data_render/op_code.cc
    ./core/data_render/vm.cc
+   ./core/data_render/binary_file.cc
+   ./core/data_render/class_console.cc
+   ./core/data_render/class_function.cc
+   ./core/data_render/class_math.cc
+   ./core/data_render/class_regex.cc
+   ./core/data_render/class_window.cc
    ./core/data_render/exec_state_binary.cc
    ./core/data_render/exec_state_section.cc
+   ./core/data_render/op_code.cc
    ./core/data_render/vnode/vnode.cc
    ./core/data_render/vnode/vcomponent.cc
    ./core/data_render/vnode/vnode_exec_env.cc
    ./core/data_render/vnode/vnode_render_manager.cc
    ./core/data_render/vnode/vnode_render_context.cc
-
    ./core/network/http_module.cc
         )
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/base)
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/wson)
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/wson)
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/third_party/json11)
+#link_directories(${LOCAL_LIBRARIES_DIR})
 
 SET(FINAL_ADD_LIBRARY
         ${COMMON_SRCS}
 )
 SET(FINAL_TARGET_LINK_LIBRARIES wson json11)
 
-if (ANDROID)
+if(ANDROID)
+  add_definitions(-DOS_ANDROID=1)
   ## add_subdirectory for subdirectory has a CMakeLists.txt
-  add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/IPC)
+  add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/third_party/IPC)
+  add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/android/jsengine)
   ## include_directories for include head file
-  include_directories(${CMAKE_CURRENT_SOURCE_DIR}/IPC)
+  include_directories(${CMAKE_CURRENT_SOURCE_DIR}/third_party/IPC)
 
   set (ANDROID_SRCS
-    ./android/jniprebuild/jni_load.cc
-    ./android/base/jni/android_jni.cpp
-    ./android/base/jni/jbytearray_ref.cpp
-    ./android/base/jni/scoped_java_ref.cpp
-    ./android/base/base64/base64.cpp
-    ./android/base/base64/modp_base64/modp_b64.cc
-    ./android/base/string/scoped_jstring.cpp
+    ./android/weex_extend_js_api.h
+    ./android/weex_extend_js_api.cpp
     ./android/base/string/scoped_jstring_utf8.cpp
     ./android/base/string/jstring_cache.cpp
+    ./android/base/string/scoped_jstring.cpp
     ./android/wrap/content_box_measurement_impl_android.cpp
     ./android/wrap/wx_debug_js_bridge.cpp
     ./android/wrap/native_render_object_utils_impl_android.cpp
@@ -168,23 +155,20 @@ if (ANDROID)
     ./android/utils/cache_utils.cpp
     ./android/utils/params_utils.cpp
     ./android/utils/so_utils.cpp
-    ./android/utils/IPCStringResult.cpp
+    ./android/utils/ipc_string_result.cpp
     ./android/wrap/log_utils.cpp
     ./android/wrap/hash_set.cpp
     ./android/wrap/wx_map.cpp
     ./android/wrap/wx_js_object.cpp
     ./android/wrap/wx_bridge.cpp
     ./android/wrap/wx_params.cpp
-    ./android/base/jni_type.cpp
+    ./android/multiprocess/weex_js_connection.cpp
+    ./android/utils/jni_load.cc
 
     ./core/data_render/vnode/android/vcomponent_lifecycle_listener.cc
     ./core/data_render/vnode/android/vnode_on_event_listener.cc
     ./core/data_render/vnode/android/conversion.cc
     ./core/network/android/default_request_handler.cc
-    
-    ./android/jsengine/multiprocess/WeexJSConnection.cpp
-    ./android/jsengine/multiprocess/ExtendJSApi.cpp
-
   )
   SET(FINAL_ADD_LIBRARY
           ${FINAL_ADD_LIBRARY}
@@ -193,19 +177,20 @@ if (ANDROID)
 
   SET(FINAL_TARGET_LINK_LIBRARIES
           ${FINAL_TARGET_LINK_LIBRARIES}
+          weexbase
           wson
           android
           weexipc
+          #weexjss
           log
+          c
           z
           )
+endif(ANDROID)
 
-endif (ANDROID)
-
-##if(iOS)
-  add_definitions(-DTARGET_OS_IPHONE=1)
-
-##endif(iOS)
+#if(iOS)
+#add_definitions(-DTARGET_OS_IPHONE=1)
+#endif(iOS)
 
 
 add_library(${WEEXCORE_LIBRARY_NAME} SHARED ${FINAL_ADD_LIBRARY})
diff --git a/weex_core/Source/IPC/Buffering/IPCBuffer.h b/weex_core/Source/IPC/Buffering/IPCBuffer.h
deleted file mode 100644
index 01ab27f0ce..0000000000
--- a/weex_core/Source/IPC/Buffering/IPCBuffer.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Implementation of the user-space ashmem API for devices, which have our
- * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
- * used by the simulator.
- */
-
-#ifndef IPCBUFFER_H
-#define IPCBUFFER_H
-#include <stddef.h>
-
-// A buffer starts with msg.
-class IPCBuffer {
-public:
-    virtual ~IPCBuffer() = default;
-    virtual const void* get() = 0;
-    virtual size_t length() = 0;
-};
-
-#endif /* IPCBUFFER_H */
diff --git a/weex_core/Source/IPC/IPCByteArray.h b/weex_core/Source/IPC/IPCByteArray.h
deleted file mode 100644
index e38b403ec5..0000000000
--- a/weex_core/Source/IPC/IPCByteArray.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Implementation of the user-space ashmem API for devices, which have our
- * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
- * used by the simulator.
- */
-
-#ifndef IPCBYTEARRAY_H
-#define IPCBYTEARRAY_H
-#include <stddef.h>
-struct IPCByteArray {
-    uint32_t length;
-    char content[1];
-};
-#endif /* IPCBYTEARRAY_H */
diff --git a/weex_core/Source/IPC/IPCCheck.cpp b/weex_core/Source/IPC/IPCCheck.cpp
deleted file mode 100644
index d5d54f102b..0000000000
--- a/weex_core/Source/IPC/IPCCheck.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Implementation of the user-space ashmem API for devices, which have our
- * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
- * used by the simulator.
- */
-
-#if !defined(NDEBUG)
-#include "IPCCheck.h"
-#include <android/log.h>
-#define TAG "linzj_IPC"
-
-void reportCheckFailed(const char* msg, const char* file, int line)
-{
-    __android_log_print(ANDROID_LOG_ERROR, TAG, msg, file, line);
-    __builtin_trap();
-}
-
-void reportUnreachable(const char* file, int line)
-{
-    __android_log_print(ANDROID_LOG_ERROR, TAG, "unreachable statement reached %s %d", file, line);
-    __builtin_trap();
-}
-#endif
diff --git a/weex_core/Source/IPC/IPCException.cpp b/weex_core/Source/IPC/IPCException.cpp
deleted file mode 100644
index 22b5790459..0000000000
--- a/weex_core/Source/IPC/IPCException.cpp
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Implementation of the user-space ashmem API for devices, which have our
- * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
- * used by the simulator.
- */
-
-#include "IPCException.h"
-#include <stdarg.h>
-#include <string>
-
-struct IPCException::IPCExceptionImpl {
-    std::string str;
-};
-
-IPCException::IPCException(const char* fmt, ...)
-    : m_impl(new IPCExceptionImpl)
-{
-    va_list ap;
-    char buffer[256];
-    va_start(ap, fmt);
-    vsnprintf(buffer, 256, fmt, ap);
-    va_end(ap);
-    m_impl->str.assign(buffer);
-}
-
-IPCException::~IPCException()
-{
-}
-
-IPCException::IPCException(IPCException&& ex)
-{
-    m_impl = std::move(ex.m_impl);
-}
-
-const char* IPCException::msg() const
-{
-    return m_impl->str.c_str();
-}
diff --git a/weex_core/Source/IPC/IPCException.h b/weex_core/Source/IPC/IPCException.h
deleted file mode 100644
index a53312ee3f..0000000000
--- a/weex_core/Source/IPC/IPCException.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Implementation of the user-space ashmem API for devices, which have our
- * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
- * used by the simulator.
- */
-
-#ifndef IPCEXCEPTION_H
-#define IPCEXCEPTION_H
-#include <memory>
-
-class IPCException {
-public:
-    IPCException(const char* fmt, ...);
-    ~IPCException();
-    IPCException(IPCException&& ex);
-    const char* msg() const;
-
-private:
-    struct IPCExceptionImpl;
-    std::unique_ptr<IPCExceptionImpl> m_impl;
-};
-#endif /* IPCEXCEPTION_H */
diff --git a/weex_core/Source/IPC/IPCHandler.h b/weex_core/Source/IPC/IPCHandler.h
deleted file mode 100644
index 8fab6b1576..0000000000
--- a/weex_core/Source/IPC/IPCHandler.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Implementation of the user-space ashmem API for devices, which have our
- * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
- * used by the simulator.
- */
-
-#ifndef IPCHANDLER_H
-#define IPCHANDLER_H
-#include <functional>
-#include <memory>
-#include <stdint.h>
-
-class IPCResult;
-class IPCArguments;
-
-class IPCHandler {
-public:
-    virtual ~IPCHandler() = default;
-    virtual std::unique_ptr<IPCResult> handle(uint32_t msg, IPCArguments*) = 0;
-    virtual void registerHandler(int msg, const std::function<std::unique_ptr<IPCResult>(IPCArguments*)>& handler) = 0;
-};
-
-std::unique_ptr<IPCHandler> createIPCHandler();
-#endif /* IPCHANDLER_H */
diff --git a/weex_core/Source/IPC/IPCListener.h b/weex_core/Source/IPC/IPCListener.h
deleted file mode 100644
index de5f1a4f9e..0000000000
--- a/weex_core/Source/IPC/IPCListener.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Implementation of the user-space ashmem API for devices, which have our
- * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
- * used by the simulator.
- */
-
-#ifndef IPCLISTENER_H
-#define IPCLISTENER_H
-#include <memory>
-class IPCHandler;
-class IPCFutexPageQueue;
-
-class IPCListener {
-public:
-    virtual ~IPCListener() = default;
-    virtual void listen() = 0;
-};
-
-std::unique_ptr<IPCListener> createIPCListener(IPCFutexPageQueue*, IPCHandler* handler);
-#endif /* IPCLISTENER_H */
diff --git a/weex_core/Source/IPC/IPCLog.h b/weex_core/Source/IPC/IPCLog.h
deleted file mode 100644
index 94b0b5a3c1..0000000000
--- a/weex_core/Source/IPC/IPCLog.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Implementation of the user-space ashmem API for devices, which have our
- * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
- * used by the simulator.
- */
-
-#ifndef IPCLOG_H
-#define IPCLOG_H
-#include <android/log.h>
-#define TAG "linzj_IPC"
-#define IPC_LOGE(...) __android_log_print(ANDROID_LOG_ERROR, TAG, __VA_ARGS__)
-
-#if defined(ENABLE_IPC_DEBUG_LOG) && ENABLE_IPC_DEBUG_LOG
-#define IPC_LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, TAG, __VA_ARGS__)
-#else
-#define IPC_LOGD(...)
-#endif
-#endif /* IPCLOG_H */
diff --git a/weex_core/Source/IPC/IPCSender.h b/weex_core/Source/IPC/IPCSender.h
deleted file mode 100644
index 3c70aecd62..0000000000
--- a/weex_core/Source/IPC/IPCSender.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Implementation of the user-space ashmem API for devices, which have our
- * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
- * used by the simulator.
- */
-
-#ifndef IPCSENDER_H
-#define IPCSENDER_H
-#include <memory>
-class IPCBuffer;
-class IPCResult;
-class IPCHandler;
-class IPCFutexPageQueue;
-
-class IPCSender {
-public:
-    virtual ~IPCSender() = default;
-    virtual std::unique_ptr<IPCResult> send(IPCBuffer* buffer) = 0;
-};
-std::unique_ptr<IPCSender> createIPCSender(IPCFutexPageQueue*, IPCHandler* handler);
-#endif /* IPCSENDER_H */
diff --git a/weex_core/Source/IPC/IPCString.h b/weex_core/Source/IPC/IPCString.h
deleted file mode 100644
index f103827781..0000000000
--- a/weex_core/Source/IPC/IPCString.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Implementation of the user-space ashmem API for devices, which have our
- * ashmem-enabled kernel. See ashmem-sim.c for the "fake" tmp-based version,
- * used by the simulator.
- */
-
-#ifndef IPCSTRING_H
-#define IPCSTRING_H
-struct IPCString {
-    uint32_t length;
-    uint16_t content[1];
-};
-#endif /* IPCSTRING_H */
diff --git a/weex_core/Source/android/base/base64/base64.cpp b/weex_core/Source/android/base/base64/base64.cpp
deleted file mode 100644
index c70d2c4799..0000000000
--- a/weex_core/Source/android/base/base64/base64.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-/**
- * \file
- * <PRE>
- * High performance base64 encoder / decoder
- * Version 1.3 -- 17-Mar-2006
- *
- * Copyright &copy; 2005, 2006, Nick Galbreath -- nickg [at] modp [dot] com
- * All rights reserved.
- *
- * http://modp.com/release/base64
- *
- * Released under bsd license.  See modp_b64.c for details.
- * </pre>
- *
- * The default implementation is the standard b64 encoding with padding.
- * It's easy to change this to use "URL safe" characters and to remove
- * padding.  See the modp_b64.c source code for details.
- *
- */
-
-#include "./base64.h"
-#include <string.h>
-
-bool Base64Encode(const std::string &input, std::string *output) {
-  std::string temp;
-  temp.resize(modp_b64_encode_len(input.size()));  // makes room for null byte
-
-  // null terminates result since result is base64 text!
-  int input_size = static_cast<int>(input.size());
-  int output_size = modp_b64_encode(&(temp[0]), input.data(), input_size);
-  if (output_size < 0)
-    return false;
-
-  temp.resize(output_size);  // strips off null byte
-  output->swap(temp);
-  return true;
-}
-
-bool Base64Decode(const std::string &input, std::string *output) {
-  std::string temp;
-  temp.resize(modp_b64_decode_len(input.size()));
-
-  // does not null terminate result since result is binary data!
-  int input_size = static_cast<int>(input.size());
-  int output_size = modp_b64_decode(&(temp[0]), input.data(), input_size);
-  if (output_size < 0)
-    return false;
-
-  temp.resize(output_size);
-  output->swap(temp);
-  return true;
-}
\ No newline at end of file
diff --git a/weex_core/Source/android/base/base64/base64.h b/weex_core/Source/android/base/base64/base64.h
deleted file mode 100644
index 1380dd154d..0000000000
--- a/weex_core/Source/android/base/base64/base64.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/**
- * \file
- * <PRE>
- * High performance base64 encoder / decoder
- * Version 1.3 -- 17-Mar-2006
- *
- * Copyright &copy; 2005, 2006, Nick Galbreath -- nickg [at] modp [dot] com
- * All rights reserved.
- *
- * http://modp.com/release/base64
- *
- * Released under bsd license.  See modp_b64.c for details.
- * </pre>
- *
- * The default implementation is the standard b64 encoding with padding.
- * It's easy to change this to use "URL safe" characters and to remove
- * padding.  See the modp_b64.c source code for details.
- *
- */
-
-#include "./modp_base64/modp_b64.h"
-
-// Encodes the input string in base64.  Returns true if successful and false
-// otherwise.  The output string is only modified if successful.
-bool Base64Encode(const std::string &input, std::string *output);
-
-// Decodes the base64 input string.  Returns true if successful and false
-// otherwise.  The output string is only modified if successful.
-bool Base64Decode(const std::string &input, std::string *output);
diff --git a/weex_core/Source/android/base/base64/modp_base64/modp_b64.cc b/weex_core/Source/android/base/base64/modp_base64/modp_b64.cc
deleted file mode 100644
index 03cf6eaca2..0000000000
--- a/weex_core/Source/android/base/base64/modp_base64/modp_b64.cc
+++ /dev/null
@@ -1,241 +0,0 @@
-/**
- * \file
- * <PRE>
- * High performance base64 encoder / decoder
- * Version 1.3 -- 17-Mar-2006
- *
- * Copyright &copy; 2005, 2006, Nick Galbreath -- nickg [at] modp [dot] com
- * All rights reserved.
- *
- * http://modp.com/release/base64
- *
- * Released under bsd license.  See modp_b64.c for details.
- * </pre>
- *
- * The default implementation is the standard b64 encoding with padding.
- * It's easy to change this to use "URL safe" characters and to remove
- * padding.  See the modp_b64.c source code for details.
- *
- */
-
-/* public header */
-#include "modp_b64.h"
-
-/*
- * If you are ripping this out of the library, comment out the next
- * line and uncomment the next lines as approrpiate
- */
-//#include "config.h"
-
-/* if on motoral, sun, ibm; uncomment this */
-/* #define WORDS_BIGENDIAN 1 */
-/* else for Intel, Amd; uncomment this */
-/* #undef WORDS_BIGENDIAN */
-
-#include "modp_b64_data.h"
-
-#define BADCHAR 0x01FFFFFF
-
-/**
- * you can control if we use padding by commenting out this
- * next line.  However, I highly recommend you use padding and not
- * using it should only be for compatability with a 3rd party.
- * Also, 'no padding' is not tested!
- */
-#define DOPAD 1
-
-/*
- * if we aren't doing padding
- * set the pad character to NULL
- */
-#ifndef DOPAD
-#undef CHARPAD
-#define CHARPAD '\0'
-#endif
-
-int modp_b64_encode(char *dest, const char *str, int len) {
-  int i;
-  uint8_t *p = (uint8_t *) dest;
-
-  /* unsigned here is important! */
-  uint8_t t1, t2, t3;
-
-  for (i = 0; i < len - 2; i += 3) {
-    t1 = str[i];
-    t2 = str[i + 1];
-    t3 = str[i + 2];
-    *p++ = e0[t1];
-    *p++ = e1[((t1 & 0x03) << 4) | ((t2 >> 4) & 0x0F)];
-    *p++ = e1[((t2 & 0x0F) << 2) | ((t3 >> 6) & 0x03)];
-    *p++ = e2[t3];
-  }
-
-  switch (len - i) {
-    case 0:
-      break;
-    case 1:
-      t1 = str[i];
-      *p++ = e0[t1];
-      *p++ = e1[(t1 & 0x03) << 4];
-      *p++ = CHARPAD;
-      *p++ = CHARPAD;
-      break;
-    default: /* case 2 */
-      t1 = str[i];
-      t2 = str[i + 1];
-      *p++ = e0[t1];
-      *p++ = e1[((t1 & 0x03) << 4) | ((t2 >> 4) & 0x0F)];
-      *p++ = e2[(t2 & 0x0F) << 2];
-      *p++ = CHARPAD;
-  }
-
-  *p = '\0';
-  return p - (uint8_t *) dest;
-}
-
-#ifdef WORDS_BIGENDIAN   /* BIG ENDIAN -- SUN / IBM / MOTOROLA */
-int modp_b64_decode(char* dest, const char* src, int len)
-{
-    if (len == 0) return 0;
-
-#ifdef DOPAD
-    /* if padding is used, then the message must be at least
-       4 chars and be a multiple of 4.
-       there can be at most 2 pad chars at the end */
-    if (len < 4 || (len % 4 != 0)) return -1;
-    if (src[len-1] == CHARPAD) {
-        len--;
-        if (src[len -1] == CHARPAD) {
-            len--;
-        }
-    }
-#endif  /* DOPAD */
-
-    int i;
-    int leftover = len % 4;
-    int chunks = (leftover == 0) ? len / 4 - 1 : len /4;
-
-    uint8_t* p = (uint8_t*) dest;
-    uint32_t x = 0;
-    uint32_t* destInt = (uint32_t*) p;
-    uint32_t* srcInt = (uint32_t*) src;
-    uint32_t y = *srcInt++;
-    for (i = 0; i < chunks; ++i) {
-        x = d0[y >> 24 & 0xff] | d1[y >> 16 & 0xff] |
-            d2[y >> 8 & 0xff] | d3[y & 0xff];
-
-        if (x >= BADCHAR)  return -1;
-        *destInt = x << 8;
-        p += 3;
-        destInt = (uint32_t*)p;
-        y = *srcInt++;
-    }
-
-    switch (leftover) {
-    case 0:
-        x = d0[y >> 24 & 0xff] | d1[y >> 16 & 0xff] |
-            d2[y >>  8 & 0xff] | d3[y & 0xff];
-        if (x >= BADCHAR)  return -1;
-        *p++ = ((uint8_t*)&x)[1];
-        *p++ = ((uint8_t*)&x)[2];
-        *p = ((uint8_t*)&x)[3];
-        return (chunks+1)*3;
-    case 1:
-        x = d3[y >> 24];
-        *p =  (uint8_t)x;
-        break;
-    case 2:
-        x = d3[y >> 24] *64 + d3[(y >> 16) & 0xff];
-        *p =  (uint8_t)(x >> 4);
-        break;
-    default:  /* case 3 */
-        x = (d3[y >> 24] *64 + d3[(y >> 16) & 0xff])*64 +
-            d3[(y >> 8) & 0xff];
-        *p++ = (uint8_t) (x >> 10);
-        *p = (uint8_t) (x >> 2);
-        break;
-    }
-
-    if (x >= BADCHAR) return -1;
-    return 3*chunks + (6*leftover)/8;
-}
-
-#else /* LITTLE  ENDIAN -- INTEL AND FRIENDS */
-
-int modp_b64_decode(char *dest, const char *src, int len) {
-  if (len == 0) return 0;
-
-#ifdef DOPAD
-  /*
-   * if padding is used, then the message must be at least
-   * 4 chars and be a multiple of 4
-   */
-  if (len < 4 || (len % 4 != 0)) return -1; /* error */
-  /* there can be at most 2 pad chars at the end */
-  if (src[len - 1] == CHARPAD) {
-    len--;
-    if (src[len - 1] == CHARPAD) {
-      len--;
-    }
-  }
-#endif
-
-  int i;
-  int leftover = len % 4;
-  int chunks = (leftover == 0) ? len / 4 - 1 : len / 4;
-
-  uint8_t *p = (uint8_t *) dest;
-  uint32_t x = 0;
-  uint32_t *destInt = (uint32_t *) p;
-  uint32_t *srcInt = (uint32_t *) src;
-  uint32_t y = *srcInt++;
-  for (i = 0; i < chunks; ++i) {
-    x = d0[y & 0xff] |
-        d1[(y >> 8) & 0xff] |
-        d2[(y >> 16) & 0xff] |
-        d3[(y >> 24) & 0xff];
-
-    if (x >= BADCHAR) return -1;
-    *destInt = x;
-    p += 3;
-    destInt = (uint32_t *) p;
-    y = *srcInt++;
-  }
-
-
-  switch (leftover) {
-    case 0:
-      x = d0[y & 0xff] |
-          d1[(y >> 8) & 0xff] |
-          d2[(y >> 16) & 0xff] |
-          d3[(y >> 24) & 0xff];
-
-      if (x >= BADCHAR) return -1;
-      *p++ = ((uint8_t *) (&x))[0];
-      *p++ = ((uint8_t *) (&x))[1];
-      *p = ((uint8_t *) (&x))[2];
-      return (chunks + 1) * 3;
-      break;
-    case 1:  /* with padding this is an impossible case */
-      x = d0[y & 0xff];
-      *p = *((uint8_t *) (&x)); // i.e. first char/byte in int
-      break;
-    case 2: // * case 2, 1  output byte */
-      x = d0[y & 0xff] | d1[y >> 8 & 0xff];
-      *p = *((uint8_t *) (&x)); // i.e. first char
-      break;
-    default: /* case 3, 2 output bytes */
-      x = d0[y & 0xff] |
-          d1[y >> 8 & 0xff] |
-          d2[y >> 16 & 0xff];  /* 0x3c */
-      *p++ = ((uint8_t *) (&x))[0];
-      *p = ((uint8_t *) (&x))[1];
-      break;
-  }
-
-  if (x >= BADCHAR) return -1;
-
-  return 3 * chunks + (6 * leftover) / 8;
-}
-
-#endif  /* if bigendian / else / endif */
diff --git a/weex_core/Source/android/base/string/scoped_jstring.h b/weex_core/Source/android/base/string/scoped_jstring.h
index e2a5fd4747..1204a113a4 100644
--- a/weex_core/Source/android/base/string/scoped_jstring.h
+++ b/weex_core/Source/android/base/string/scoped_jstring.h
@@ -19,8 +19,8 @@
 #ifndef _SCOPED_JSTRING_H_
 #define _SCOPED_JSTRING_H_
 
-#include "../base64/base64.h"
 #include <jni.h>
+#include "base/base64/base64.h"
 
 namespace WeexCore {
 
diff --git a/weex_core/Source/android/base/string/scoped_jstring_utf8.h b/weex_core/Source/android/base/string/scoped_jstring_utf8.h
index fa739ba405..67901244c6 100644
--- a/weex_core/Source/android/base/string/scoped_jstring_utf8.h
+++ b/weex_core/Source/android/base/string/scoped_jstring_utf8.h
@@ -19,14 +19,14 @@
 #ifndef _SCOPED_JSTRING_UTF_8_H_
 #define _SCOPED_JSTRING_UTF_8_H_
 
-#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <type_traits>
-#include "../base64/base64.h"
 #include <jni.h>
 
+#include "base/base64/base64.h"
+
 namespace WeexCore {
 
 class ScopedJStringUTF8 {
diff --git a/weex_core/Source/android/base/string/string_utils.h b/weex_core/Source/android/base/string/string_utils.h
index 6b42baec8e..b4fd777dc1 100644
--- a/weex_core/Source/android/base/string/string_utils.h
+++ b/weex_core/Source/android/base/string/string_utils.h
@@ -20,17 +20,18 @@
 #define _STRING_UTILS_H_
 
 #include <jni.h>
-#include <IPC/IPCArguments.h>
-#include <IPC/Serializing/IPCSerializer.h>
-#include <IPC/IPCString.h>
-#include <IPC/IPCByteArray.h>
 #include <malloc.h>
-#include "scoped_jstring.h"
-#include "scoped_jstring_utf8.h"
 #include <iostream>
 #include <sstream>
 #include <string>
 
+#include "scoped_jstring.h"
+#include "scoped_jstring_utf8.h"
+#include "third_party/IPC/IPCArguments.h"
+#include "third_party/IPC/Serializing/IPCSerializer.h"
+#include "third_party/IPC/IPCString.h"
+#include "third_party/IPC/IPCByteArray.h"
+
 namespace WeexCore {
 
 static inline std::string jString2Str(JNIEnv *env, const jstring &jstr) {
diff --git a/weex_core/Source/android/bridge/multi_process_and_so_initializer.cpp b/weex_core/Source/android/bridge/multi_process_and_so_initializer.cpp
index 51a09ec584..a16e31c31a 100644
--- a/weex_core/Source/android/bridge/multi_process_and_so_initializer.cpp
+++ b/weex_core/Source/android/bridge/multi_process_and_so_initializer.cpp
@@ -18,14 +18,16 @@
  */
 
 #include "multi_process_and_so_initializer.h"
-#include <Buffering/IPCBuffer.h>
-#include <IPCException.h>
-#include <IPCHandler.h>
-#include <IPCResult.h>
-#include <Serializing/IPCSerializer.h>
-#include <android/base/log_utils.h>
-#include <android/jsengine/multiprocess/ExtendJSApi.h>
-#include <android/jsengine/multiprocess/WeexJSConnection.h>
+
+#include "android/weex_extend_js_api.h"
+#include "android/multiprocess/weex_js_connection.h"
+#include "base/android/log_utils.h"
+#include "third_party/IPC/Buffering/IPCBuffer.h"
+#include "third_party/IPC/IPCException.h"
+#include "third_party/IPC/IPCHandler.h"
+#include "third_party/IPC/IPCResult.h"
+#include "third_party/IPC/Serializing/IPCSerializer.h"
+
 
 namespace WeexCore {
 
@@ -65,4 +67,4 @@ bool MultiProcessAndSoInitializer::Init(const std::function<void(IPCHandler*)>&
   }
   return true;
 }
-}  // namespace WeexCore
\ No newline at end of file
+}  // namespace WeexCore
diff --git a/weex_core/Source/android/bridge/multi_so_initializer.cpp b/weex_core/Source/android/bridge/multi_so_initializer.cpp
index fe70dd3d7b..7014f3ddaf 100644
--- a/weex_core/Source/android/bridge/multi_so_initializer.cpp
+++ b/weex_core/Source/android/bridge/multi_so_initializer.cpp
@@ -18,10 +18,12 @@
  */
 
 #include "multi_so_initializer.h"
-#include <android/base/log_utils.h>
-#include <android/utils/so_utils.h>
+
 #include <dlfcn.h>
 
+#include "android/utils/so_utils.h"
+#include "base/android/log_utils.h"
+
 namespace WeexCore {
 
 bool MultiSoInitializer::Init(
@@ -66,4 +68,4 @@ bool MultiSoInitializer::Init(
   }
   return true;
 }
-}  // namespace WeexCore
\ No newline at end of file
+}  // namespace WeexCore
diff --git a/weex_core/Source/android/bridge/platform/android_bridge.cpp b/weex_core/Source/android/bridge/platform/android_bridge.cpp
index 0236e80479..979cd0d08e 100644
--- a/weex_core/Source/android/bridge/platform/android_bridge.cpp
+++ b/weex_core/Source/android/bridge/platform/android_bridge.cpp
@@ -17,9 +17,10 @@
  * under the License.
  */
 
-#include <base/LogDefines.h>
 #include "android_bridge.h"
+
 #include "android/bridge/platform/android_side.h"
+#include "base/log_defines.h"
 #include "core/bridge/platform/core_side_in_platform.h"
 
 namespace WeexCore {
@@ -33,4 +34,4 @@ AndroidBridgeInSimple::~AndroidBridgeInSimple() {
   LOGE("~AndroidBridgeInSimple");
 }
 
-}  // namespace WeexCore
\ No newline at end of file
+}  // namespace WeexCore
diff --git a/weex_core/Source/android/bridge/platform/android_bridge_in_multi_process.cc b/weex_core/Source/android/bridge/platform/android_bridge_in_multi_process.cc
index 6923bfbcad..9ccf0cd54e 100644
--- a/weex_core/Source/android/bridge/platform/android_bridge_in_multi_process.cc
+++ b/weex_core/Source/android/bridge/platform/android_bridge_in_multi_process.cc
@@ -18,21 +18,22 @@
  */
 
 #include "android_bridge_in_multi_process.h"
-#include "IPC/IPCArguments.h"
-#include "IPC/IPCHandler.h"
-#include "IPC/IPCMessageJS.h"
-#include "IPC/IPCResult.h"
-#include "IPC/IPCSender.h"
-#include "IPC/Serializing/IPCSerializer.h"
+
 #include "android/base/string/string_utils.h"
+#include "android/jsengine/bridge/script/core_side_in_multi_process.h"
 #include "android/bridge/platform/android_side.h"
-#include "android/utils/IPCStringResult.h"
+#include "android/bridge/multi_process_and_so_initializer.h"
+#include "android/utils/ipc_string_result.h"
 #include "core/layout/layout.h"
 #include "core/manager/weex_core_manager.h"
 #include "core/render/manager/render_manager.h"
-#include "core_side_in_multi_process.h"
 #include "include/WeexApiHeader.h"
-#include "android/bridge/multi_process_and_so_initializer.h"
+#include "third_party/IPC/IPCArguments.h"
+#include "third_party/IPC/IPCHandler.h"
+#include "third_party/IPC/IPCMessageJS.h"
+#include "third_party/IPC/IPCResult.h"
+#include "third_party/IPC/IPCSender.h"
+#include "third_party/IPC/Serializing/IPCSerializer.h"
 #include "wson/wson_parser.h"
 
 namespace WeexCore {
@@ -832,4 +833,4 @@ std::unique_ptr<IPCResult> AndroidBridgeInMultiProcess::DispatchMessage(
   return createVoidResult();
 }
 
-}  // namespace WeexCore
\ No newline at end of file
+}  // namespace WeexCore
diff --git a/weex_core/Source/android/bridge/platform/android_bridge_in_multi_process.h b/weex_core/Source/android/bridge/platform/android_bridge_in_multi_process.h
index 8df6ed98d7..5670438aa4 100644
--- a/weex_core/Source/android/bridge/platform/android_bridge_in_multi_process.h
+++ b/weex_core/Source/android/bridge/platform/android_bridge_in_multi_process.h
@@ -20,9 +20,9 @@
 #ifndef WEEX_PROJECT_IPC_BRIDGE_IMPL_H
 #define WEEX_PROJECT_IPC_BRIDGE_IMPL_H
 
-#include "IPC/IPCHandler.h"
-#include "android/jsengine/multiprocess/WeexJSConnection.h"
+#include "android/multiprocess/weex_js_connection.h"
 #include "core/bridge/platform_bridge.h"
+#include "third_party/IPC/IPCHandler.h"
 
 class IPCArguments;
 class IPCResult;
diff --git a/weex_core/Source/android/bridge/platform/android_side.cpp b/weex_core/Source/android/bridge/platform/android_side.cpp
index 8d55dbe994..e9b34514bb 100644
--- a/weex_core/Source/android/bridge/platform/android_side.cpp
+++ b/weex_core/Source/android/bridge/platform/android_side.cpp
@@ -18,12 +18,9 @@
  */
 
 #include "android/bridge/platform/android_side.h"
-#include "IPC/IPCResult.h"
-#include "android/base/jni/android_jni.h"
-#include "android/base/jni/jbytearray_ref.h"
-#include "android/base/jni_type.h"
+
 #include "android/base/string/string_utils.h"
-#include "android/utils/IPCStringResult.h"
+#include "android/utils/ipc_string_result.h"
 #include "android/utils/cache_utils.h"
 #include "android/utils/params_utils.h"
 #include "android/wrap/hash_set.h"
@@ -31,10 +28,14 @@
 #include "android/wrap/wml_bridge.h"
 #include "android/wrap/wx_js_object.h"
 #include "android/wrap/wx_map.h"
-#include "base/LogDefines.h"
+#include "base/android/jni/android_jni.h"
+#include "base/android/jni/jbytearray_ref.h"
+#include "base/android/jni_type.h"
+#include "base/log_defines.h"
 #include "core/layout/layout.h"
 #include "core/layout/measure_func_adapter.h"
 #include "core/manager/weex_core_manager.h"
+#include "third_party/IPC/IPCResult.h"
 
 namespace WeexCore {
 
@@ -73,26 +74,26 @@ void AndroidSide::InvokeLayoutAfter(const char *page_id, long render_ptr,
 
 void AndroidSide::SetJSVersion(const char *version) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return;
-  }
+
   wx_bridge_->SetJSFrmVersion(env, version);
 }
 
 void AndroidSide::ReportException(const char *page_id, const char *func,
                                   const char *exception_string) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return;
-  }
+
   wx_bridge_->ReportException(env, page_id, func, exception_string);
 }
 
 void AndroidSide::ReportServerCrash(const char *instance_id) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return;
-  }
+
   std::string crash_file;
   crash_file.assign("/crash_dump.log");
   wx_bridge_->ReportServerCrash(env, instance_id, crash_file.c_str());
@@ -101,18 +102,18 @@ void AndroidSide::ReportServerCrash(const char *instance_id) {
 void AndroidSide::ReportNativeInitStatus(const char *status_code,
                                          const char *error_msg) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return;
-  }
+
   wx_bridge_->ReportNativeInitStatus(env, status_code, error_msg);
 }
 
 int AndroidSide::CallNative(const char *page_id, const char *task,
                             const char *callback) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = wx_bridge_->CallNative(env, page_id, task, callback);
   if (flag == -1) {
     LOGE("instance destroy JFM must stop callNative");
@@ -126,14 +127,13 @@ std::unique_ptr<ValueWithType> AndroidSide::CallNativeModule(
     int options_length) {
   std::unique_ptr<ValueWithType> ipc_result(new ValueWithType());
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return ipc_result;
-  }
+
   auto result =
       wx_bridge_->CallNativeModule(env, page_id, module, method, arguments,
                                    arguments_length, options, options_length);
 
-
   ipc_result->type = ParamsType::INT32;
   ipc_result->value.int32Value = -1;
   if (result.IsNull()) {
@@ -177,26 +177,26 @@ void AndroidSide::CallNativeComponent(const char *page_id, const char *ref,
                                       int arguments_length, const char *options,
                                       int options_length) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return;
-  }
+
   wx_bridge_->CallNativeComponent(env, page_id, ref, method, arguments,
                                   arguments_length, options, options_length);
 }
 
 void AndroidSide::SetTimeout(const char *callback_id, const char *time) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return;
-  }
+
   wx_bridge_->SetTimeout(env, callback_id, time);
 }
 
 void AndroidSide::NativeLog(const char *str_array) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return;
-  }
+
   LogUtils::NativeLog(env, str_array);
 }
 
@@ -204,9 +204,9 @@ int AndroidSide::UpdateFinish(const char *page_id, const char *task,
                               int taskLen, const char *callback,
                               int callbackLen) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = wx_bridge_->UpdateFinish(env, page_id, task, callback);
   if (flag == -1) {
     LOGE("instance destroy JFM must stop callUpdateFinish");
@@ -217,9 +217,9 @@ int AndroidSide::UpdateFinish(const char *page_id, const char *task,
 int AndroidSide::RefreshFinish(const char *page_id, const char *task,
                                const char *callback) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = wx_bridge_->RefreshFinish(env, page_id, task, callback);
 
   if (flag == -1) {
@@ -231,9 +231,9 @@ int AndroidSide::RefreshFinish(const char *page_id, const char *task,
 int AndroidSide::AddEvent(const char *page_id, const char *ref,
                           const char *event) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = wx_bridge_->AddEvent(env, page_id, ref, event);
   if (flag == -1) {
     LOGE("instance destroy JFM must stop callAddEvent");
@@ -244,9 +244,9 @@ int AndroidSide::AddEvent(const char *page_id, const char *ref,
 int AndroidSide::RemoveEvent(const char *page_id, const char *ref,
                              const char *event) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = wx_bridge_->RemoveEvent(env, page_id, ref, event);
   if (flag == -1) {
     LOGE("instance destroy JFM must stop callRemoveElement");
@@ -263,9 +263,9 @@ int AndroidSide::CreateBody(const char *page_id, const char *component_type,
                             const WXCorePadding &paddings,
                             const WXCoreBorderWidth &borders) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag =
       wx_bridge_->CreateBody(env, page_id, component_type, ref, styles,
                              attributes, events, margins, paddings, borders);
@@ -284,9 +284,9 @@ int AndroidSide::AddElement(const char *page_id, const char *component_type,
                             const WXCorePadding &paddings,
                             const WXCoreBorderWidth &borders, bool willLayout) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = wx_bridge_->AddElement(env, page_id, component_type, ref, index,
                                     parentRef, styles, attributes, events,
                                     margins, paddings, borders, willLayout);
@@ -301,12 +301,12 @@ int AndroidSide::Layout(const char *page_id, const char *ref, float top,
                         float bottom, float left, float right, float height,
                         float width, bool isRTL, int index) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = 0;
-  wx_bridge_->Layout(env, page_id, ref, top, bottom, left, right, height, width, isRTL,
-                     index);
+  wx_bridge_->Layout(env, page_id, ref, top, bottom, left, right,
+                     height, width, isRTL, index);
 
   if (flag == -1) {
     LOGE("instance destroy JFM must stop callLayout");
@@ -321,9 +321,9 @@ int AndroidSide::UpdateStyle(
     std::vector<std::pair<std::string, std::string>> *padding,
     std::vector<std::pair<std::string, std::string>> *border) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = wx_bridge_->UpdateStyle(env, page_id, ref, style, margin, padding,
                                      border);
   if (flag == -1) {
@@ -336,9 +336,9 @@ int AndroidSide::UpdateAttr(
     const char *page_id, const char *ref,
     std::vector<std::pair<std::string, std::string>> *attrs) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = 0;
   flag = wx_bridge_->UpdateAttr(env, page_id, ref, attrs);
   if (flag == -1) {
@@ -349,9 +349,9 @@ int AndroidSide::UpdateAttr(
 
 int AndroidSide::CreateFinish(const char *page_id) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = wx_bridge_->CreateFinish(env, page_id);
 
   if (flag == -1) {
@@ -362,9 +362,9 @@ int AndroidSide::CreateFinish(const char *page_id) {
 
 int AndroidSide::RenderSuccess(const char *page_id) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = wx_bridge_->RenderSuccess(env, page_id);
 
   if (flag == -1) {
@@ -375,6 +375,9 @@ int AndroidSide::RenderSuccess(const char *page_id) {
 
 int AndroidSide::RemoveElement(const char *page_id, const char *ref) {
   JNIEnv *env = base::android::AttachCurrentThread();
+  if (env == nullptr)
+    return -1;
+
   int flag = wx_bridge_->RemoveElement(env, page_id, ref);
   if (flag == -1) {
     LOGE("instance destroy JFM must stop callRemoveElement");
@@ -385,9 +388,9 @@ int AndroidSide::RemoveElement(const char *page_id, const char *ref) {
 int AndroidSide::MoveElement(const char *page_id, const char *ref,
                              const char *parent_ref, int index) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   int flag = wx_bridge_->MoveElement(env, page_id, ref, parent_ref, index);
   if (flag == -1) {
     LOGE("instance destroy JFM must stop callRemoveElement");
@@ -397,9 +400,6 @@ int AndroidSide::MoveElement(const char *page_id, const char *ref,
 
 int AndroidSide::AppendTreeCreateFinish(const char *page_id, const char *ref) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
-    return -1;
-  }
   int flag = wx_bridge_->AppendTreeCreateFinish(env, page_id, ref);
   if (flag == -1) {
     LOGE("instance destroy JFM must stop callAppendTreeCreateFinish");
@@ -411,9 +411,9 @@ int AndroidSide::HasTransitionPros(
     const char *page_id, const char *ref,
     std::vector<std::pair<std::string, std::string>> *style) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return -1;
-  }
+
   if (style == nullptr) {
     return wx_bridge_->HasTransitionPros(env, page_id, ref, *style);
   } else {
@@ -424,18 +424,18 @@ int AndroidSide::HasTransitionPros(
 
 void AndroidSide::PostMessage(const char *vm_id, const char *data, int dataLength) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return;
-  }
+
   wml_bridge_->PostMessage(env, vm_id, data, dataLength);
 }
 
 void AndroidSide::DispatchMessage(const char *client_id,
                                   const char *data, int dataLength, const char *callback, const char *vm_id) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return;
-  }
+
   wml_bridge_->DispatchMessage(env, client_id,  data, dataLength, callback, vm_id);
 }
 
@@ -443,6 +443,9 @@ std::unique_ptr<WeexJSResult> AndroidSide::DispatchMessageSync(
     const char *client_id, const char *data, int dataLength,
     const char *vm_id) {
   JNIEnv *env = base::android::AttachCurrentThread();
+  if (env == nullptr)
+    return std::unique_ptr<WeexJSResult>();
+
   auto jni_result =
       wml_bridge_->DispatchMessageSync(env, client_id, data, dataLength, vm_id);
   JByteArrayRef byte_array(env, jni_result.Get());
@@ -457,17 +460,17 @@ std::unique_ptr<WeexJSResult> AndroidSide::DispatchMessageSync(
 
 void AndroidSide::OnReceivedResult(long callback_id, std::unique_ptr<WeexJSResult>& result) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return;
-  }
+
   wx_bridge_->OnReceivedResult(env, callback_id,  result);
 }
 
 jobject AndroidSide::getMeasureFunc(const char *pageId, jlong renderObjectPtr) {
   JNIEnv *env = base::android::AttachCurrentThread();
-  if(env == nullptr) {
+  if (env == nullptr)
     return nullptr;
-  }
+
   return wx_bridge_->GetMeasureFunc(env, pageId, renderObjectPtr).Release();
 }
-}  // namespace WeexCore
\ No newline at end of file
+}  // namespace WeexCore
diff --git a/weex_core/Source/android/bridge/platform/android_side.h b/weex_core/Source/android/bridge/platform/android_side.h
index f9129920fd..1593e90965 100644
--- a/weex_core/Source/android/bridge/platform/android_side.h
+++ b/weex_core/Source/android/bridge/platform/android_side.h
@@ -80,7 +80,8 @@ class AndroidSide : public PlatformBridge::PlatformSide {
                  const WXCorePadding& paddings,
                  const WXCoreBorderWidth& borders, bool willLayout) override;
   int Layout(const char* page_id, const char* ref, float top, float bottom,
-             float left, float right, float height, float width, bool isRTL, int index) override;
+             float left, float right, float height, float width, bool isRTL,
+             int index) override;
 
   int UpdateStyle(
       const char* pageId, const char* ref,
diff --git a/weex_core/Source/android/bridge/platform/core_side_in_multi_process.cpp b/weex_core/Source/android/bridge/platform/core_side_in_multi_process.cpp
index dbd668ce44..ef0655daf1 100644
--- a/weex_core/Source/android/bridge/platform/core_side_in_multi_process.cpp
+++ b/weex_core/Source/android/bridge/platform/core_side_in_multi_process.cpp
@@ -16,17 +16,18 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+#include "core_side_in_multi_process.h"
 
-#include "IPC/Serializing/IPCSerializer.h"
-#include "IPC/IPCMessageJS.h"
-#include "IPC/IPCSender.h"
-#include "IPC/IPCResult.h"
-#include "IPC/Buffering/IPCBuffer.h"
-#include "IPC/IPCException.h"
 #include "android/base/log_utils.h"
+#include "android/utils/params_utils.h"
 #include "core_side_in_multi_process.h"
-#include "../../../include/WeexApiHeader.h"
-#include "../../utils/params_utils.h"
+#include "include/WeexApiHeader.h"
+#include "third_party/IPC/Serializing/IPCSerializer.h"
+#include "third_party/IPC/IPCMessageJS.h"
+#include "third_party/IPC/IPCSender.h"
+#include "third_party/IPC/IPCResult.h"
+#include "third_party/IPC/Buffering/IPCBuffer.h"
+#include "third_party/IPC/IPCException.h"
 
 namespace WeexCore {
 
@@ -571,7 +572,8 @@ namespace WeexCore {
 
     int CoreSideInMultiProcess::CreateInstance(const char *instanceId, const char *func,
                                            const char *script, const char *opts,
-                                           const char *initData, const char *extendsApi, std::vector<INIT_FRAMEWORK_PARAMS*>& params,
+                                           const char *initData, const char *extendsApi,
+                                           std::vector<INIT_FRAMEWORK_PARAMS*>& params,
                                            const char* render_strategy) {
         try {
             std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
@@ -586,6 +588,7 @@ namespace WeexCore {
                 serializer->add((*it)->type->content, (*it)->type->length);
                 serializer->add((*it)->value->content, (*it)->value->length);
             }
+
             std::unique_ptr<IPCBuffer> buffer = serializer->finish();
             std::unique_ptr<IPCResult> result = sender_->send(buffer.get());
             if (result->getType() != IPCType::INT32) {
@@ -667,4 +670,4 @@ namespace WeexCore {
         }
         return true;
     }
-}
\ No newline at end of file
+}
diff --git a/weex_core/Source/android/bridge/platform/core_side_in_multi_so.cpp b/weex_core/Source/android/bridge/platform/core_side_in_multi_so.cpp
index a627a93563..0cff3382ff 100644
--- a/weex_core/Source/android/bridge/platform/core_side_in_multi_so.cpp
+++ b/weex_core/Source/android/bridge/platform/core_side_in_multi_so.cpp
@@ -207,7 +207,7 @@ int CoreSideInMultiSo::CreateInstance(const char *instanceId, const char *func,
                                       const char *initData,
                                       const char *extendsApi, std::vector<INIT_FRAMEWORK_PARAMS*>& params, const char* render_strategy) {
   return core_side_functions_->create_instance(instanceId, func, script, opts,
-                                               initData, extendsApi,params);
+                                               initData, extendsApi, params);
 }
 
 std::unique_ptr<WeexJSResult> CoreSideInMultiSo::ExecJSOnInstance(const char *instanceId,
@@ -222,4 +222,4 @@ int CoreSideInMultiSo::DestroyInstance(const char *instanceId) {
 int CoreSideInMultiSo::UpdateGlobalConfig(const char *config) {
   return core_side_functions_->update_global_config(config);
 }
-}  // namespace WeexCore
\ No newline at end of file
+}  // namespace WeexCore
diff --git a/weex_core/Source/android/bridge/script/script_side_in_multi_process.cpp b/weex_core/Source/android/bridge/script/script_side_in_multi_process.cpp
index 9217f78640..df0570045d 100644
--- a/weex_core/Source/android/bridge/script/script_side_in_multi_process.cpp
+++ b/weex_core/Source/android/bridge/script/script_side_in_multi_process.cpp
@@ -19,14 +19,15 @@
 
 #include <android/utils/params_utils.h>
 #include "script_side_in_multi_process.h"
-#include "IPC/Buffering/IPCBuffer.h"
-#include "IPC/IPCException.h"
-#include "IPC/IPCMessageJS.h"
-#include "IPC/IPCSender.h"
-#include "IPC/Serializing/IPCSerializer.h"
-#include "android/base/log_utils.h"
+
 #include "android/bridge/multi_process_and_so_initializer.h"
+#include "base/android/log_utils.h"
 #include "core/manager/weex_core_manager.h"
+#include "third_party/IPC/Buffering/IPCBuffer.h"
+#include "third_party/IPC/IPCException.h"
+#include "third_party/IPC/IPCMessageJS.h"
+#include "third_party/IPC/IPCSender.h"
+#include "third_party/IPC/Serializing/IPCSerializer.h"
 
 namespace WeexCore {
 namespace bridge {
@@ -42,8 +43,6 @@ int ScriptSideInMultiProcess::InitFramework(
       LOGE("InitFramework sender is null");
       return false;
     }
-
-
     std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
     serializer->setMsg(static_cast<uint32_t>(IPCJSMsg::INITFRAMEWORK));
     serializer->add(script, strlen(script));
@@ -453,6 +452,7 @@ int ScriptSideInMultiProcess::CreateInstance(
       serializer->add((*it)->type->content, (*it)->type->length);
       serializer->add((*it)->value->content, (*it)->value->length);
     }
+
     std::unique_ptr<IPCBuffer> buffer = serializer->finish();
     std::unique_ptr<IPCResult> result = sender_->send(buffer.get());
     if (result->getType() != IPCType::INT32) {
@@ -553,4 +553,4 @@ int ScriptSideInMultiProcess::UpdateGlobalConfig(const char *config) {
 }
 }  // namespace script
 }  // namespace bridge
-}  // namespace WeexCore
\ No newline at end of file
+}  // namespace WeexCore
diff --git a/weex_core/Source/android/bridge/script/script_side_in_multi_so.cpp b/weex_core/Source/android/bridge/script/script_side_in_multi_so.cpp
index c43ea28f03..2072c80962 100644
--- a/weex_core/Source/android/bridge/script/script_side_in_multi_so.cpp
+++ b/weex_core/Source/android/bridge/script/script_side_in_multi_so.cpp
@@ -18,7 +18,7 @@
  */
 
 #include "script_side_in_multi_so.h"
-#include <android/base/log_utils.h>
+#include "base/android/log_utils.h"
 
 namespace WeexCore {
 namespace bridge {
@@ -146,7 +146,7 @@ int ScriptSideInMultiSo::CreateInstance(const char *instanceId,
     return false;
   }
   return script_side_functions_->funcCreateInstance(instanceId, func, script,
-                                                    opts, initData, extendsApi,params);
+                                                    opts, initData, extendsApi, params);
 }
 
 std::unique_ptr<WeexJSResult> ScriptSideInMultiSo::ExecJSOnInstance(const char *instanceId,
@@ -176,4 +176,4 @@ int ScriptSideInMultiSo::UpdateGlobalConfig(const char *config) {
 }
 }  // namespace script
 }  // namespace bridge
-}  // namespace WeexCore
\ No newline at end of file
+}  // namespace WeexCore
diff --git a/weex_core/Source/android/bridge/script_bridge_in_multi_process.cpp b/weex_core/Source/android/bridge/script_bridge_in_multi_process.cpp
index 9a5e4eb634..29deee1527 100644
--- a/weex_core/Source/android/bridge/script_bridge_in_multi_process.cpp
+++ b/weex_core/Source/android/bridge/script_bridge_in_multi_process.cpp
@@ -17,23 +17,24 @@
  * under the License.
  */
 #include "script_bridge_in_multi_process.h"
-#include <android/utils/params_utils.h>
-#include <base/make_copyable.h>
-#include <base/message_loop/message_loop.h>
-#include <base/thread/waitable_event.h>
-#include "IPC/IPCArguments.h"
-#include "IPC/IPCHandler.h"
-#include "IPC/IPCMessageJS.h"
-#include "IPC/IPCResult.h"
-#include "android/base/jni/android_jni.h"
-#include "android/base/log_utils.h"
+
+#include "android/utils/params_utils.h"
 #include "android/base/string/string_utils.h"
 #include "android/bridge/multi_process_and_so_initializer.h"
 #include "android/bridge/script/script_side_in_multi_process.h"
-#include "android/jsengine/multiprocess/WeexJSConnection.h"
-#include "android/utils/IPCStringResult.h"
+#include "android/multiprocess/weex_js_connection.h"
+#include "android/utils/ipc_string_result.h"
+#include "base/android/log_utils.h"
+#include "base/make_copyable.h"
+#include "base/message_loop/message_loop.h"
+#include "base/thread/waitable_event.h"
+#include "base/android/jni/android_jni.h"
 #include "core/bridge/script/core_side_in_script.h"
 #include "core/manager/weex_core_manager.h"
+#include "third_party/IPC/IPCArguments.h"                                         
+#include "third_party/IPC/IPCHandler.h"                                           
+#include "third_party/IPC/IPCMessageJS.h" 
+#include "third_party/IPC/IPCResult.h"
 
 namespace WeexCore {
 
@@ -70,6 +71,8 @@ static std::unique_ptr<IPCResult> HandleReportException(
   }
 
   LOGE(" ReportException : %s", exceptionInfo);
+  WeexCoreManager::Instance()->script_bridge()->core_side()->ReportException(
+      pageId, func, exceptionInfo);
 
   WeexCoreManager::Instance()->script_thread()->message_loop()->PostTask(
       weex::base::MakeCopyable([pageId = std::string(pageId),
@@ -986,7 +989,7 @@ ScriptBridgeInMultiProcess::ScriptBridgeInMultiProcess() {
         connection_ = std::move(connection);
         handler_ = std::move(handler);
         server_handler_ = std::move(server_handler);
-        LOGE("ScriptBridgeInMultiProcess finish %x %x", server_handler_.get(),
+        LOGE("ScriptBridgeInMultiProcess finish %p %p", server_handler_.get(),
              server_handler.get());
         return true;
       },
@@ -1005,10 +1008,8 @@ ScriptBridgeInMultiProcess::~ScriptBridgeInMultiProcess() {
 }
 
 void ScriptBridgeInMultiProcess::RegisterIPCCallback(IPCHandler *handler) {
-  LOGE("RegisterIPCCallback is running");
   handler->registerHandler(static_cast<uint32_t>(IPCProxyMsg::SETJSFVERSION),
                            HandleSetJSVersion);
-  LOGE("RegisterIPCCallback is running2");
   handler->registerHandler(static_cast<uint32_t>(IPCProxyMsg::REPORTEXCEPTION),
                            HandleReportException);
   handler->registerHandler(static_cast<uint32_t>(IPCProxyMsg::CALLNATIVE),
diff --git a/weex_core/Source/android/bridge/script_bridge_in_multi_so.cpp b/weex_core/Source/android/bridge/script_bridge_in_multi_so.cpp
index 32f06e5efb..706686fa8d 100644
--- a/weex_core/Source/android/bridge/script_bridge_in_multi_so.cpp
+++ b/weex_core/Source/android/bridge/script_bridge_in_multi_so.cpp
@@ -18,15 +18,16 @@
  */
 
 #include "script_bridge_in_multi_so.h"
-#include <base/thread/waitable_event.h>
 #include <dlfcn.h>
 #include <malloc.h>
-#include "android/base/log_utils.h"
+
 #include "android/bridge/multi_so_initializer.h"
 #include "android/bridge/script/script_side_in_multi_so.h"
-#include "android/utils/IPCStringResult.h"
+#include "android/utils/ipc_string_result.h"
 #include "android/utils/params_utils.h"
+#include "base/android/log_utils.h"
 #include "base/make_copyable.h"
+#include "base/thread/waitable_event.h"
 #include "core/bridge/script/core_side_in_script.h"
 #include "core/manager/weex_core_manager.h"
 
diff --git a/weex_core/Source/android/jsengine/CMakeLists.txt b/weex_core/Source/android/jsengine/CMakeLists.txt
new file mode 100644
index 0000000000..b914ed271a
--- /dev/null
+++ b/weex_core/Source/android/jsengine/CMakeLists.txt
@@ -0,0 +1,183 @@
+#cmake_minimum_required(VERSION 3.3)
+#if (POLICY CMP0042)
+#    cmake_policy(SET CMP0042 NEW)
+#endif ()
+
+set(PORT JSCOnly)
+add_definitions(-DPRINT_LOG_CACHEFILE=0)
+add_definitions(-DOS_ANDROID)
+
+add_definitions(-DUSE_SYSTEM_MALLOC=1)
+if (${ANDROID_PLATFORM} STREQUAL "android-21")
+else ()
+    add_definitions(-D_POSIX_THREAD_KEYS_MAX=128)                              
+    add_definitions(-DPTHREAD_KEYS_MAX=_POSIX_THREAD_KEYS_MAX)
+endif ()
+
+if ("${ANDROID_ABI}" STREQUAL "armeabi")
+    add_definitions(-DWTF_CPU_ARM)
+    set(WTF_CPU_ARM 1)
+
+    if ("${ANDROID_TOOLCHAIN}" STREQUAL clang)
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv7-a")
+    endif ()
+elseif ("${ANDROID_ABI}" STREQUAL "armeabi-v7a")
+    add_definitions(-DWTF_CPU_ARM)
+    set(WTF_CPU_ARM 1)
+else ()
+    add_definitions(-DWTF_CPU_X86)
+    set(WTF_CPU_X86_64 1)
+endif ()
+
+set(USE_SYSTEM_MALLOC 1)
+set(WEEXJSSERVER_NAME weexjss)
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+include_directories(${WEEX_CORE_SOURCE_DIR})
+include_directories(${WEEX_CORE_SOURCE_DIR}/include)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/API)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/ForwardingHeaders)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/assembler)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/bytecode)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/dfg)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/disassembler)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/domjit)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/runtime)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/heap)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/jit)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/interpreter)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/parser)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/profiler)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/JavaScriptCore/yarr)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/wtf/icu)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/wtf/text)
+include_directories(${WEEX_CORE_SOURCE_DIR}/include/wtf)
+#include_directories(${WEEX_CORE_SOURCE_DIR}/android/jsengine/dependence/WTF/)
+#include_directories(${WEEX_CORE_SOURCE_DIR}/android/jsengine/dependence/icu)
+
+set(${WEEXJSSERVER_NAME}_SOURCES
+        weex_ipc_client.h
+        weex_ipc_client.cpp
+        weex_ipc_server.h
+        weex_ipc_server.cpp
+        weex_jsc_utils.h
+        weex_jsc_utils.cpp
+        weex_runtime.h
+        weex_runtime.cpp
+
+        bridge/script/script_bridge_in_multi_so.cpp
+        bridge/script/script_bridge_in_multi_process.cpp
+        bridge/script/core_side_in_multi_so.cpp
+        bridge/script/core_side_in_multi_process.cpp
+        bridge/script/script_side_in_simple.cpp
+        bridge/script/script_side_in_queue.cpp
+
+        object/args/exe_js_args.cpp
+        object/args/init_framework_args.cpp
+        object/args.h
+        object/args.cpp
+        object/weex_console_object.h
+        object/weex_console_object.cpp
+        object/weex_env.h
+        object/weex_env.cpp
+        object/weex_global_object.h
+        object/weex_global_object.cpp
+        object/weex_object_holder.h
+        object/weex_object_holder.cpp
+        object/weex_simple_object.h
+        object/weex_simple_object.cpp
+
+        task/impl/init_framework_task.cpp
+        task/impl/create_app_context_task.cpp
+        task/impl/create_instance_task.cpp
+        task/impl/call_js_on_app_context_task.cpp
+        task/impl/destory_app_context_task.cpp
+        task/impl/destory_instance_task.cpp
+        task/impl/exe_js_on_app_with_result.cpp
+        task/impl/update_global_config_task.cpp
+        task/impl/ctime_callback_task.cpp
+        task/impl/exe_js_services_task.cpp
+        task/impl/exe_js_on_instance_task.cpp
+        task/impl/exe_js_task.cpp
+        task/impl/take_heap_snapshot.cpp
+        task/impl/native_timer_task.cpp
+        task/weex_task.cpp
+        task/weex_task_queue.cpp
+        task/timer_task.cpp
+        task/timer_queue.cpp
+
+        wson/wson_jsc.h
+        wson/wson_jsc.cpp
+)
+link_directories(${LOCAL_LIBRARIES_DIR})
+SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}" CACHE STRING "toolchain_exelinkflags" FORCE)
+SET(CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS} -shared")
+
+#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=armv7-a -fno-omit-frame-pointer")# -fsanitize=address -g3")
+set(WEEXJSSERVERSTUB_NAME libweexjsb.so)
+add_executable(${WEEXJSSERVERSTUB_NAME}
+               weex_js_server_main_stub.cpp)
+
+set_target_properties(${WEEXJSSERVERSTUB_NAME} 
+PROPERTIES                                                                        
+LINK_FLAGS                                                                        
+"-pie -fPIE"
+)
+
+target_link_libraries(${WEEXJSSERVERSTUB_NAME}
+${WEEXJSSERVER_NAME}
+)
+
+if (APPLE)
+set_target_properties(${WEEXJSSERVERSTUB_NAME}
+PROPERTIES LINK_FLAGS
+"-Wl,--entry=_start"
+)
+endif()
+
+
+set(${WEEXJSSERVER_NAME}_LIBRARY_TYPE SHARED)
+
+set(${WEEXJSSERVER_NAME}_LIBRARIES
+weexbase
+weexipc
+wson
+JavaScriptCore
+WTF
+log
+z
+-lc
+-ldl
+-pthread
+)
+
+add_library(${WEEXJSSERVER_NAME} SHARED
+            ${${WEEXJSSERVER_NAME}_SOURCES})
+
+
+target_link_libraries(${WEEXJSSERVER_NAME}
+                      ${${WEEXJSSERVER_NAME}_LIBRARIES})
+set_target_properties(${WEEXJSSERVER_NAME} PROPERTIES NO_SONAME TRUE)
+
+set_target_properties(${WEEXJSSERVER_NAME}
+PROPERTIES
+LINK_FLAGS
+"-Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}//weexjsserver_version_script.txt -Wl,--no-undefined -Wl,-soname,libweexjss${SERVERSUFFIX}.so"
+)
+
+#add_custom_command(
+#    TARGET ${WEEXJSSERVER_NAME}
+#    POST_BUILD
+#    COMMAND cp $<TARGET_FILE:${WEEXJSSERVER_NAME}> ${CMAKE_SOURCE_DIR}/libweexjss${SERVERSUFFIX}.so
+#    VERBATIM
+#)
+
+#add_custom_command(
+#    TARGET ${WEEXJSSERVERSTUB_NAME}
+#    POST_BUILD
+#    COMMAND cp $<TARGET_FILE:${WEEXJSSERVERSTUB_NAME}> ${CMAKE_SOURCE_DIR}/libweexjsb${SERVERSUFFIX}.so
+#    VERBATIM
+#)
diff --git a/weex_core/Source/android/jsengine/bridge/platform/core_side_in_simple.cpp b/weex_core/Source/android/jsengine/bridge/platform/core_side_in_simple.cpp
new file mode 100644
index 0000000000..c309a53efa
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/platform/core_side_in_simple.cpp
@@ -0,0 +1,416 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/14.
+//
+
+#include "core_side_in_simple.h"
+
+#include "android/jsengine/bridge/script/script_bridge_in_simple.h"
+#include "android/base/log_utils.h"
+#include "core/config/core_environment.h"
+#include "core/manager/weex_core_manager.h"
+#include "core/render/manager/render_manager.h"
+#include "core/render/node/factory/render_creator.h"
+#include "core/render/node/factory/render_type.h"
+#include "core/render/node/render_list.h"
+#include "core/render/node/render_object.h"
+#include "core/render/page/render_page.h"
+
+using namespace WeexCore;
+namespace weex {
+void CoreSideInSimple::SetDefaultHeightAndWidthIntoRootDom(
+    const std::string &instance_id, float default_width, float default_height,
+    bool is_width_wrap_content, bool is_height_wrap_content) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) return;
+
+#if RENDER_LOG
+  LOGD(
+      "[JNI] SetDefaultHeightAndWidthIntoRootDom >>>> pageId: %s, "
+      "defaultWidth: %f, defaultHeight: %f",
+      page->PageId().c_str(), defaultWidth, defaultHeight);
+#endif
+
+  page->SetDefaultHeightAndWidthIntoRootRender(default_width, default_height,
+                                               is_width_wrap_content,
+                                               is_height_wrap_content);
+}
+
+void CoreSideInSimple::OnInstanceClose(const std::string &instance_id) {
+  RenderManager::GetInstance()->ClosePage(instance_id);
+}
+
+void CoreSideInSimple::SetStyleWidth(const std::string &instance_id,
+                                     const std::string &render_ref,
+                                     float width) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) return;
+
+  RenderObject *render = page->GetRenderObject(render_ref);
+  if (render == nullptr) return;
+
+  render->setStyleWidthLevel(CSS_STYLE);
+  render->setStyleWidth(width, true);
+  page->set_is_dirty(true);
+}
+
+void CoreSideInSimple::SetStyleHeight(const std::string &instance_id,
+                                      const std::string &render_ref,
+                                      float height) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) return;
+
+  RenderObject *render = page->GetRenderObject(render_ref);
+  if (render == nullptr) return;
+
+  render->setStyleHeightLevel(CSS_STYLE);
+  render->setStyleHeight(height);
+  page->set_is_dirty(true);
+}
+
+void CoreSideInSimple::SetMargin(const std::string &instance_id,
+                                 const std::string &render_ref, int edge,
+                                 float value) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) return;
+
+  RenderObject *render = page->GetRenderObject(render_ref);
+  if (render == nullptr) return;
+
+  if (edge == 0) {
+    render->setMargin(kMarginTop, value);
+  } else if (edge == 1) {
+    render->setMargin(kMarginBottom, value);
+  } else if (edge == 2) {
+    render->setMargin(kMarginLeft, value);
+  } else if (edge == 3) {
+    render->setMargin(kMarginRight, value);
+  } else if (edge == 4) {
+    render->setMargin(kMarginALL, value);
+  }
+  page->set_is_dirty(true);
+}
+void CoreSideInSimple::SetPadding(const std::string &instance_id,
+                                  const std::string &render_ref, int edge,
+                                  float value) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) return;
+
+  RenderObject *render = page->GetRenderObject(render_ref);
+  if (render == nullptr) return;
+
+  if (edge == 0) {
+    render->setPadding(kPaddingTop, value);
+  } else if (edge == 1) {
+    render->setPadding(kPaddingBottom, value);
+  } else if (edge == 2) {
+    render->setPadding(kPaddingLeft, value);
+  } else if (edge == 3) {
+    render->setPadding(kPaddingRight, value);
+  } else if (edge == 4) {
+    render->setPadding(kPaddingALL, value);
+  }
+  page->set_is_dirty(true);
+}
+
+void CoreSideInSimple::SetPosition(const std::string &instance_id,
+                                   const std::string &render_ref, int edge,
+                                   float value) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) return;
+
+  RenderObject *render = page->GetRenderObject(render_ref);
+  if (render == nullptr) return;
+
+  if (edge == 0) {
+    render->setStylePosition(kPositionEdgeTop, value);
+  } else if (edge == 1) {
+    render->setStylePosition(kPositionEdgeBottom, value);
+  } else if (edge == 2) {
+    render->setStylePosition(kPositionEdgeLeft, value);
+  } else if (edge == 3) {
+    render->setStylePosition(kPositionEdgeRight, value);
+  }
+  page->set_is_dirty(true);
+}
+
+void CoreSideInSimple::MarkDirty(const std::string &instance_id,
+                                 const std::string &render_ref) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) return;
+
+  RenderObject *render = page->GetRenderObject(render_ref);
+  if (render == nullptr) return;
+  render->markDirty();
+}
+
+void CoreSideInSimple::SetViewPortWidth(const std::string &instance_id,
+                                        float width) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) return;
+
+  page->set_viewport_width(width);
+}
+
+void CoreSideInSimple::ForceLayout(const std::string &instance_id) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page != nullptr) {
+#if RENDER_LOG
+    LOGD("[JNI] ForceLayout >>>> pageId: %s, needForceLayout: %s",
+         jString2StrFast(env, instanceId).c_str(),
+         page->hasForeLayoutAction.load() ? "true" : "false");
+#endif
+
+    page->LayoutImmediately();
+    page->has_fore_layout_action_.store(false);
+  }
+}
+
+bool CoreSideInSimple::NotifyLayout(const std::string &instance_id) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page != nullptr) {
+    if (!page->need_layout_.load()) {
+      page->need_layout_.store(true);
+    }
+
+    bool ret = !page->has_fore_layout_action_.load() && page->is_dirty();
+    if (ret) {
+      page->has_fore_layout_action_.store(true);
+    }
+    return ret ? true : false;
+  }
+  return false;
+}
+std::vector<int64_t> CoreSideInSimple::GetFirstScreenRenderTime(
+    const std::string &instance_id) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) {
+    return std::vector<int64_t>();
+  } else {
+    return page->PrintFirstScreenLog();
+  }
+}
+std::vector<int64_t> CoreSideInSimple::GetRenderFinishTime(
+    const std::string &instance_id) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) {
+    return std::vector<int64_t>();
+  } else {
+    return page->PrintRenderSuccessLog();
+  }
+}
+void CoreSideInSimple::SetRenderContainerWrapContent(
+    const std::string &instance_id, bool wrap) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) return;
+
+  page->set_is_render_container_width_wrap_content(wrap);
+}
+
+void CoreSideInSimple::BindMeasurementToRenderObject(long ptr) {
+  RenderObject *render = convert_long_to_render_object(ptr);
+  if (render && measure_function_adapter_exist_) {
+    render->BindMeasureFunc();
+  }
+}
+
+void CoreSideInSimple::RegisterCoreEnv(const std::string &key,
+                                       const std::string &value) {
+  WXCoreEnvironment::getInstance()->AddOption(key, value);
+}
+
+long CoreSideInSimple::GetRenderObject(const std::string &instance_id,
+                                       const std::string &render_ref) {
+  RenderPage *page = RenderManager::GetInstance()->GetPage(instance_id);
+  if (page == nullptr) {
+    return 0;
+  }
+
+  RenderObject *render = page->GetRenderObject(render_ref);
+  if (render == nullptr) {
+    return 0;
+  }
+  return convert_render_object_to_long(render);
+}
+void CoreSideInSimple::UpdateRenderObjectStyle(long render_ptr,
+                                               const std::string &key,
+                                               const std::string &value) {
+  RenderObject *render = convert_long_to_render_object(render_ptr);
+  render->UpdateStyle(key, value);
+}
+
+void CoreSideInSimple::UpdateRenderObjectAttr(long render_ptr,
+                                              const std::string &key,
+                                              const std::string &value) {
+  RenderObject *render = convert_long_to_render_object(render_ptr);
+  render->UpdateAttr(key, value);
+  render->markDirty(true);
+}
+
+long CoreSideInSimple::CopyRenderObject(long render_ptr) {
+  RenderObject *render = convert_long_to_render_object(render_ptr);
+  RenderObject *copy =
+      static_cast<RenderObject *>(RenderCreator::GetInstance()->CreateRender(
+          render->type(), render->ref()));
+  copy->copyFrom(render);
+  if (render->type() == WeexCore::kRenderCellSlot ||
+      render->type() == WeexCore::kRenderCell) {
+    RenderList *renderList = static_cast<RenderList *>(render->getParent());
+    if (renderList != nullptr) {
+      renderList->AddCellSlotCopyTrack(copy);
+    } else {
+      LOGE("LayoutRenderObject", "copy error parent null");
+    }
+  }
+  return convert_render_object_to_long(copy);
+}
+
+void CoreSideInSimple::SetMeasureFunctionAdapter() {
+  measure_function_adapter_exist_ = true;
+}
+
+void CoreSideInSimple::SetPlatform(const std::string &platformName) {
+  WXCoreEnvironment::getInstance()->SetPlatform(platformName);
+}
+
+void CoreSideInSimple::SetDeviceWidthAndHeight(float width, float height) {
+  WXCoreEnvironment::getInstance()->set_device_width(width);
+  WXCoreEnvironment::getInstance()->set_device_height(height);
+}
+
+void CoreSideInSimple::AddOption(const std::string &key,
+                                 const std::string &value) {
+  WXCoreEnvironment::getInstance()->AddOption(key, value);
+}
+
+int CoreSideInSimple::InitFramework(
+    const char *script, std::vector<INIT_FRAMEWORK_PARAMS *> &params) {
+  WeexCoreManager::Instance()->set_script_bridge(
+      weex::bridge::js::ScriptBridgeInSimple::Instance());
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->InitFramework(script, params);
+}
+
+int CoreSideInSimple::InitAppFramework(
+    const char *instanceId, const char *appFramework,
+    std::vector<INIT_FRAMEWORK_PARAMS *> &params) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->InitAppFramework(instanceId, appFramework, params);
+}
+
+int CoreSideInSimple::CreateAppContext(const char *instanceId,
+                                       const char *jsBundle) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->CreateAppContext(instanceId, jsBundle);
+}
+
+std::unique_ptr<WeexJSResult> CoreSideInSimple::ExecJSOnAppWithResult(const char *instanceId,
+                                                    const char *jsBundle) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->ExecJSOnAppWithResult(instanceId, jsBundle);
+}
+
+int CoreSideInSimple::CallJSOnAppContext(
+    const char *instanceId, const char *func,
+    std::vector<VALUE_WITH_TYPE *> &params) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->CallJSOnAppContext(instanceId, func, params);
+}
+
+int CoreSideInSimple::DestroyAppContext(const char *instanceId) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->DestroyAppContext(instanceId);
+}
+
+int CoreSideInSimple::ExecJsService(const char *source) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->ExecJsService(source);
+}
+
+int CoreSideInSimple::ExecTimeCallback(const char *source) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->ExecTimeCallback(source);
+}
+
+int CoreSideInSimple::ExecJS(const char *instanceId, const char *nameSpace,
+                             const char *func,
+                             std::vector<VALUE_WITH_TYPE *> &params) {
+  return WeexCoreManager::Instance()->script_bridge()->script_side()->ExecJS(
+      instanceId, nameSpace, func, params);
+}
+
+WeexJSResult CoreSideInSimple::ExecJSWithResult(
+    const char *instanceId, const char *nameSpace, const char *func,
+    std::vector<VALUE_WITH_TYPE *> &params) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->ExecJSWithResult(instanceId, nameSpace, func, params);
+}
+
+int CoreSideInSimple::CreateInstance(const char *instanceId, const char *func,
+                                     const char *script, const char *opts,
+                                     const char *initData,
+                                     const char *extendsApi,
+                                     std::vector<INIT_FRAMEWORK_PARAMS*>& params) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->CreateInstance(instanceId, func, script, opts, initData, extendsApi,params);
+}
+
+const char *CoreSideInSimple::ExecJSOnInstance(const char *instanceId,
+                                               const char *script) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->ExecJSOnInstance(instanceId, script);
+}
+
+int CoreSideInSimple::DestroyInstance(const char *instanceId) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->DestroyInstance(instanceId);
+}
+
+int CoreSideInSimple::UpdateGlobalConfig(const char *config) {
+  return WeexCoreManager::Instance()
+      ->script_bridge()
+      ->script_side()
+      ->UpdateGlobalConfig(config);
+}
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/platform/core_side_in_simple.h b/weex_core/Source/android/jsengine/bridge/platform/core_side_in_simple.h
new file mode 100644
index 0000000000..26cfabcfc6
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/platform/core_side_in_simple.h
@@ -0,0 +1,106 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/14.
+//
+
+#ifndef WEEXV8_SIMPLECORESIDE_H
+#define WEEXV8_SIMPLECORESIDE_H
+
+#include "base/common.h"
+#include "core/bridge/platform_bridge.h"
+
+namespace weex {
+class CoreSideInSimple : public WeexCore::PlatformBridge::CoreSide {
+ public:
+  CoreSideInSimple() {}
+  virtual ~CoreSideInSimple() {}
+  void SetDefaultHeightAndWidthIntoRootDom(
+      const std::string& instance_id, float default_width, float default_height,
+      bool is_width_wrap_content, bool is_height_wrap_content) override;
+  void OnInstanceClose(const std::string& instance_id) override;
+  void SetStyleWidth(const std::string& instance_id,
+                     const std::string& render_ref, float width) override;
+  void SetStyleHeight(const std::string& instance_id,
+                      const std::string& render_ref, float height) override;
+  void SetMargin(const std::string& instance_id, const std::string& render_ref,
+                 int edge, float value) override;
+  void SetPadding(const std::string& instance_id, const std::string& render_ref,
+                  int edge, float value) override;
+  void SetPosition(const std::string& instance_id,
+                   const std::string& render_ref, int edge,
+                   float value) override;
+  void MarkDirty(const std::string& instance_id,
+                 const std::string& render_ref) override;
+  void SetViewPortWidth(const std::string& instance_id, float width) override;
+  void ForceLayout(const std::string& instance_id) override;
+  bool NotifyLayout(const std::string& instance_id) override;
+  std::vector<int64_t> GetFirstScreenRenderTime(
+      const std::string& instance_id) override;
+  std::vector<int64_t> GetRenderFinishTime(
+      const std::string& instance_id) override;
+  void SetRenderContainerWrapContent(const std::string& instance_id,
+                                     bool wrap) override;
+  void BindMeasurementToRenderObject(long ptr) override;
+  void RegisterCoreEnv(const std::string& key,
+                       const std::string& value) override;
+
+  long GetRenderObject(const std::string& instance_id,
+                       const std::string& render_ref) override;
+  void UpdateRenderObjectStyle(long render_ptr, const std::string& key,
+                               const std::string& value) override;
+  void UpdateRenderObjectAttr(long render_ptr, const std::string& key,
+                              const std::string& value) override;
+  long CopyRenderObject(long render_ptr) override;
+  void SetMeasureFunctionAdapter() override;
+  void SetPlatform(const std::string& platformName) override;
+  void SetDeviceWidthAndHeight(float width, float height) override;
+  void AddOption(const std::string& key, const std::string& value) override;
+
+    int InitFramework(const char *script,
+                      std::vector<INIT_FRAMEWORK_PARAMS *> &params) override;
+    int InitAppFramework(const char *instanceId, const char *appFramework,
+                         std::vector<INIT_FRAMEWORK_PARAMS *> &params) override;
+    int CreateAppContext(const char *instanceId, const char *jsBundle) override;
+    std::unique_ptr<WeexJSResult> ExecJSOnAppWithResult(const char *instanceId,
+                                      const char *jsBundle) override;
+    int CallJSOnAppContext(const char *instanceId, const char *func,
+                           std::vector<VALUE_WITH_TYPE *> &param) override;
+    int DestroyAppContext(const char *instanceId) override;
+    int ExecJsService(const char *source) override;
+    int ExecTimeCallback(const char *source) override;
+    int ExecJS(const char *instanceId, const char *nameSpace, const char *func,
+               std::vector<VALUE_WITH_TYPE *> &param) override;
+    WeexJSResult ExecJSWithResult(const char *instanceId, const char *nameSpace,
+                                  const char *func,
+                                  std::vector<VALUE_WITH_TYPE *> &param) override;
+    int CreateInstance(const char *instanceId, const char *func,
+                       const char *script, const char *opts, const char *initData,
+                       const char *extendsApi,
+                       std::vector<INIT_FRAMEWORK_PARAMS*>& params) override;
+    const char *ExecJSOnInstance(const char *instanceId, const char *script) override;
+    int DestroyInstance(const char *instanceId) override;
+    int UpdateGlobalConfig(const char *config) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CoreSideInSimple);
+};
+}  // namespace weex
+
+#endif  // WEEXV8_SIMPLECORESIDE_H
diff --git a/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_process.cpp b/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_process.cpp
new file mode 100644
index 0000000000..ebb3b42915
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_process.cpp
@@ -0,0 +1,749 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/12.
+//
+
+#include "platform_bridge_in_multi_process.h"
+#include <cstring>
+#include "android/jsengine/bridge/platform/core_side_in_simple.h"
+#include "android/jsengine/bridge/platform/platform_side_multi_process.h"
+#include "android/jsengine/bridge/script/script_bridge_in_simple.h"
+#include "android/jsengine/utils/Utils.h"
+#include "base/android/log_utils.h"
+#include "core/config/core_environment.h"
+#include "core/manager/weex_core_manager.h"
+#include "third_party/IPC/IPCArguments.h"
+#include "third_party/IPC/IPCByteArray.h"
+#include "third_party/IPC/IPCHandler.h"
+#include "third_party/IPC/IPCMessageJS.h"
+#include "third_party/IPC/IPCResult.h"
+
+namespace weex {
+PlatformBridgeInMultiProcess* PlatformBridgeInMultiProcess::g_instance = NULL;
+
+PlatformBridgeInMultiProcess::PlatformBridgeInMultiProcess() {
+  set_core_side(new CoreSideInSimple);
+  set_platform_side(new PlatformSideInMultiProcess);
+}
+
+PlatformBridgeInMultiProcess::~PlatformBridgeInMultiProcess() {}
+
+void PlatformBridgeInMultiProcess::RegisterIPCCallback(IPCHandler* handler) {
+  handler->registerHandler(
+      static_cast<uint32_t>(
+          IPCMsgFromPlatformToCore::SET_DEFAULT_HEIGHT_AND_WIDTH_INTO_ROOT_DOM),
+      SetDefaultHeightAndWidthIntoRootDom);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::ON_INSTANCE_CLOSE),
+      OnInstanceClose);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::SET_STYLE_WIDTH),
+      SetStyleWidth);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::SET_STYLE_HEIGHT),
+      SetStyleHeight);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::SET_MARGIN), SetMargin);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::SET_PADDING), SetPadding);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::SET_POSITION),
+      SetPosition);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::MARK_DIRTY), MarkDirty);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::SET_VIEWPORT_WIDTH),
+      SetViewPortWidth);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::FORCE_LAYOUT),
+      ForceLayout);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::NOTIFY_LAYOUT),
+      NotifyLayout);
+  handler->registerHandler(
+      static_cast<uint32_t>(
+          IPCMsgFromPlatformToCore::GET_FIRST_SCREEN_RENDER_TIME),
+      GetFirstScreenRenderTime);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::GET_RENDER_FINISH_TIME),
+      GetRenderFinishTime);
+  handler->registerHandler(
+      static_cast<uint32_t>(
+          IPCMsgFromPlatformToCore::SET_RENDER_CONTAINER_WRAP_CONTENT),
+      SetRenderContainerWrapContent);
+  handler->registerHandler(
+      static_cast<uint32_t>(
+          IPCMsgFromPlatformToCore::BIND_MEASUREMENT_TO_RENDER_OBJECT),
+      BindMeasurementToRenderObject);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::REGISTER_CORE_ENV),
+      RegisterCoreEnv);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::GET_RENDER_OBJECT),
+      GetRenderObject);
+  handler->registerHandler(
+      static_cast<uint32_t>(
+          IPCMsgFromPlatformToCore::UPDATE_RENDER_OBJECT_STYLE),
+      UpdateRenderObjectStyle);
+  handler->registerHandler(
+      static_cast<uint32_t>(
+          IPCMsgFromPlatformToCore::UPDATE_RENDER_OBJECT_ATTR),
+      UpdateRenderObjectAttr);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::COPY_RENDER_OBJECT),
+      CopyRenderObject);
+  handler->registerHandler(
+      static_cast<uint32_t>(
+          IPCMsgFromPlatformToCore::SET_MEASURE_FUNCTION_ADAPTER),
+      SetMeasureFunctionAdapter);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::SET_PLATFORM),
+      SetPlatform);
+  handler->registerHandler(
+      static_cast<uint32_t>(
+          IPCMsgFromPlatformToCore::SET_DEVICE_WIDTH_AND_HEIGHT),
+      SetDeviceWidthAndHeight);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::ADD_OPTION), AddOption);
+
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::INIT_FRAMEWORK),
+      InitFramework);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::INIT_APP_FRAMEWORK),
+      InitAppFramework);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::CREATE_APP_CONTEXT),
+      CreateAppContext);
+  handler->registerHandler(
+      static_cast<uint32_t>(
+          IPCMsgFromPlatformToCore::EXEC_JS_ON_APP_WITH_RESULT),
+      ExecJSOnAppWithResult);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::CALL_JS_ON_APP_CONTEXT),
+      CallJSOnAppContext);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::DESTROY_APP_CONTEXT),
+      DestroyAppContext);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::EXEC_JS_SERVICE),
+      ExecJSService);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::EXEC_TIME_CALLBACK),
+      ExecTimerCallback);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::EXEC_JS), ExecJS);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::EXEC_JS_WITH_RESULT),
+      ExecJSWithResult);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::CREATE_INSTANCE),
+      CreateInstance);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::DESTROY_INSTANCE),
+      DestroyInstance);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::EXEC_JS_ON_INSTANCE),
+      ExecJSOnInstance);
+  handler->registerHandler(
+      static_cast<uint32_t>(IPCMsgFromPlatformToCore::UPDATE_GLOBAL_CONFIG),
+      UpdateGlobalConfig);
+}
+
+std::unique_ptr<IPCResult>
+PlatformBridgeInMultiProcess::SetDefaultHeightAndWidthIntoRootDom(
+    IPCArguments* arguments) {
+  LOGE("IPC SetDefaultHeightAndWidthIntoRootDom");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  float default_width = arguments->get<float>(1);
+  float default_height = arguments->get<float>(2);
+  bool is_width_wrap_content = arguments->get<bool>(3);
+  bool is_height_wrap_content = arguments->get<bool>(4);
+  Instance()->core_side()->SetDefaultHeightAndWidthIntoRootDom(
+      instance_id, default_width, default_height, is_width_wrap_content,
+      is_height_wrap_content);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::OnInstanceClose(
+    IPCArguments* arguments) {
+  LOGE("IPC OnInstanceClose");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  Instance()->core_side()->OnInstanceClose(instance_id);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::SetStyleWidth(
+    IPCArguments* arguments) {
+  LOGE("IPC SetStyleWidth");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  std::string render_ref(arguments->getByteArray(1)->content,
+                         arguments->getByteArray(1)->length);
+  float width = arguments->get<float>(2);
+  Instance()->core_side()->SetStyleWidth(instance_id, render_ref, width);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::SetStyleHeight(
+    IPCArguments* arguments) {
+  LOGE("IPC SetStyleHeight");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  std::string render_ref(arguments->getByteArray(1)->content,
+                         arguments->getByteArray(1)->length);
+  float height = arguments->get<float>(2);
+  Instance()->core_side()->SetStyleHeight(instance_id, render_ref, height);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::SetMargin(
+    IPCArguments* arguments) {
+  LOGE("IPC SetMargin");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  std::string render_ref(arguments->getByteArray(1)->content,
+                         arguments->getByteArray(1)->length);
+  int edge = arguments->get<int32_t>(2);
+  float value = arguments->get<float>(2);
+  Instance()->core_side()->SetMargin(instance_id, render_ref, edge, value);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::SetPadding(
+    IPCArguments* arguments) {
+  LOGE("IPC SetPadding");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  std::string render_ref(arguments->getByteArray(1)->content,
+                         arguments->getByteArray(1)->length);
+  int edge = arguments->get<int32_t>(2);
+  float value = arguments->get<float>(2);
+  Instance()->core_side()->SetPadding(instance_id, render_ref, edge, value);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::SetPosition(
+    IPCArguments* arguments) {
+  LOGE("IPC SetPosition");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  std::string render_ref(arguments->getByteArray(1)->content,
+                         arguments->getByteArray(1)->length);
+  int edge = arguments->get<int32_t>(2);
+  float value = arguments->get<float>(3);
+  Instance()->core_side()->SetPadding(instance_id, render_ref, edge, value);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::MarkDirty(
+    IPCArguments* arguments) {
+  LOGE("IPC MarkDirty");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  std::string render_ref(arguments->getByteArray(1)->content,
+                         arguments->getByteArray(1)->length);
+  Instance()->core_side()->MarkDirty(instance_id, render_ref);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::SetViewPortWidth(
+    IPCArguments* arguments) {
+  LOGE("IPC SetViewPortWidth");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  float width = arguments->get<float>(1);
+  Instance()->core_side()->SetViewPortWidth(instance_id, width);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::ForceLayout(
+    IPCArguments* arguments) {
+  LOGE("IPC ForceLayout");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  Instance()->core_side()->ForceLayout(instance_id);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::NotifyLayout(
+    IPCArguments* arguments) {
+  LOGE("IPC NotifyLayout");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  auto result = Instance()->core_side()->NotifyLayout(instance_id);
+  return createInt32Result(result);
+}
+
+std::unique_ptr<IPCResult>
+PlatformBridgeInMultiProcess::GetFirstScreenRenderTime(
+    IPCArguments* arguments) {
+  LOGE("IPC GetFirstScreenRenderTime");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  auto result = Instance()->core_side()->GetFirstScreenRenderTime(instance_id);
+  if (result.empty()) {
+    return createVoidResult();
+  } else {
+    int64_t temp[]{result[0], result[1], result[2]};
+    return createByteArrayResult(reinterpret_cast<const char*>(temp),
+                                 3 * sizeof(int64_t) / sizeof(char));
+  }
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::GetRenderFinishTime(
+    IPCArguments* arguments) {
+  LOGE("IPC GetRenderFinishTime");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  auto result = Instance()->core_side()->GetRenderFinishTime(instance_id);
+  if (result.empty()) {
+    return createVoidResult();
+  } else {
+    int64_t temp[]{result[0], result[1], result[2]};
+    return createByteArrayResult(reinterpret_cast<const char*>(temp),
+                                 3 * sizeof(int64_t) / sizeof(char));
+  }
+}
+
+std::unique_ptr<IPCResult>
+PlatformBridgeInMultiProcess::SetRenderContainerWrapContent(
+    IPCArguments* arguments) {
+  LOGE("IPC SetRenderContainerWrapContent");
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  bool wrap = arguments->get<bool>(1);
+  Instance()->core_side()->SetRenderContainerWrapContent(instance_id, wrap);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult>
+PlatformBridgeInMultiProcess::BindMeasurementToRenderObject(
+    IPCArguments* arguments) {
+  LOGE("IPC BindMeasurementToRenderObject");
+  long ptr = arguments->get<int64_t>(0);
+  Instance()->core_side()->BindMeasurementToRenderObject(ptr);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::RegisterCoreEnv(
+    IPCArguments* arguments) {
+  LOGE("IPC RegisterCoreEnv");
+  std::string key(arguments->getByteArray(0)->content,
+                  arguments->getByteArray(0)->length);
+  std::string value(arguments->getByteArray(1)->content,
+                    arguments->getByteArray(1)->length);
+  Instance()->core_side()->RegisterCoreEnv(key, value);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::GetRenderObject(
+    IPCArguments* arguments) {
+  std::string instance_id(arguments->getByteArray(0)->content,
+                          arguments->getByteArray(0)->length);
+  std::string render_ref(arguments->getByteArray(1)->content,
+                         arguments->getByteArray(1)->length);
+  auto result =
+      Instance()->core_side()->GetRenderObject(instance_id, render_ref);
+  LOGE("IPC GetRenderObject %d", result);
+  return createInt64Result(result);
+}
+std::unique_ptr<IPCResult>
+PlatformBridgeInMultiProcess::UpdateRenderObjectStyle(IPCArguments* arguments) {
+  LOGE("IPC UpdateRenderObjectStyle");
+  long ptr = arguments->get<int64_t>(0);
+  std::string key(arguments->getByteArray(1)->content,
+                  arguments->getByteArray(1)->length);
+  std::string value(arguments->getByteArray(2)->content,
+                    arguments->getByteArray(2)->length);
+  Instance()->core_side()->UpdateRenderObjectStyle(ptr, key, value);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::UpdateRenderObjectAttr(
+    IPCArguments* arguments) {
+  LOGE("IPC UpdateRenderObjectAttr");
+  long ptr = arguments->get<int64_t>(0);
+  std::string key(arguments->getByteArray(1)->content,
+                  arguments->getByteArray(1)->length);
+  std::string value(arguments->getByteArray(2)->content,
+                    arguments->getByteArray(2)->length);
+  Instance()->core_side()->UpdateRenderObjectAttr(ptr, key, value);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::CopyRenderObject(
+    IPCArguments* arguments) {
+  LOGE("IPC CopyRenderObject");
+  long ptr = arguments->get<int64_t>(0);
+  auto result = Instance()->core_side()->CopyRenderObject(ptr);
+  return createInt64Result(result);
+}
+
+std::unique_ptr<IPCResult>
+PlatformBridgeInMultiProcess::SetMeasureFunctionAdapter(
+    IPCArguments* arguments) {
+  LOGE("IPC SetMeasureFunctionAdapter");
+  Instance()->core_side()->SetMeasureFunctionAdapter();
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::SetPlatform(
+    IPCArguments* arguments) {
+  LOGE("IPC SetPlatform");
+  std::string platform(arguments->getByteArray(0)->content,
+                       arguments->getByteArray(0)->length);
+  WeexCore::WXCoreEnvironment::getInstance()->SetPlatform(platform);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult>
+PlatformBridgeInMultiProcess::SetDeviceWidthAndHeight(IPCArguments* arguments) {
+  LOGE("IPC SetDeviceWidthAndHeight");
+  float width = arguments->get<float>(0);
+  float height = arguments->get<float>(1);
+  WeexCore::WXCoreEnvironment::getInstance()->set_device_width(width);
+  WeexCore::WXCoreEnvironment::getInstance()->set_device_height(height);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::AddOption(
+    IPCArguments* arguments) {
+  LOGE("IPC AddOption");
+  std::string key(arguments->getByteArray(0)->content,
+                  arguments->getByteArray(0)->length);
+  std::string value(arguments->getByteArray(1)->content,
+                    arguments->getByteArray(1)->length);
+  WeexCore::WXCoreEnvironment::getInstance()->AddOption(key, value);
+  return createVoidResult();
+}
+
+static void FillVectorOfValueWithType(std::vector<VALUE_WITH_TYPE*>& params,
+                                      IPCArguments* arguments, size_t start,
+                                      size_t end) {
+  for (size_t i = start; i < end; ++i) {
+    auto value = new ValueWithType;
+    switch (arguments->getType(i)) {
+      case IPCType::DOUBLE: {
+        value->type = ParamsType::DOUBLE;
+        value->value.doubleValue = arguments->get<double>(i);
+      } break;
+      case IPCType::STRING: {
+        const IPCString* ipcstr = arguments->getString(i);
+        size_t size = ipcstr->length * sizeof(uint16_t);
+        auto temp = (WeexString*)malloc(size + sizeof(WeexString));
+        memset(temp, 0, size + sizeof(WeexString));
+        temp->length = ipcstr->length;
+        memcpy(temp->content, ipcstr->content, size);
+        value->type = ParamsType::STRING;
+        value->value.string = temp;
+      } break;
+      case IPCType::JSONSTRING: {
+        const IPCString* ipcstr = arguments->getString(i);
+        size_t size = ipcstr->length * sizeof(uint16_t);
+        auto temp = (WeexString*)malloc(size + sizeof(WeexString));
+        memset(temp, 0, size + sizeof(WeexString));
+        temp->length = ipcstr->length;
+        memcpy(temp->content, ipcstr->content, size);
+        value->type = ParamsType::JSONSTRING;
+        value->value.string = temp;
+      } break;
+      case IPCType::BYTEARRAY: {
+        const IPCByteArray* array = arguments->getByteArray(i);
+        size_t size = array->length * sizeof(char);
+        auto temp = (WeexByteArray*)malloc(size + sizeof(WeexByteArray));
+        memset(temp, 0, size + sizeof(WeexByteArray));
+        temp->length = array->length;
+        memcpy(temp->content, array->content, size);
+        value->type = ParamsType::BYTEARRAY;
+        value->value.byteArray = temp;
+      } break;
+      default: { value->type = ParamsType::JSUNDEFINED; } break;
+    }
+    params.push_back(value);
+  }
+}
+
+static void ClearVectorOfValueWithType(std::vector<VALUE_WITH_TYPE*>& params) {
+  for (auto it = params.begin(); it != params.end(); ++it) {
+    switch ((*it)->type) {
+      case ParamsType::STRING:
+      case ParamsType::JSONSTRING:
+        free((*it)->value.string);
+        break;
+      case ParamsType::BYTEARRAY:
+        free((*it)->value.byteArray);
+        break;
+      default:
+        break;
+    }
+    delete *it;
+  }
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::InitFramework(
+    IPCArguments* arguments) {
+  LOGE("IPC InitFramework");
+  // Source
+  const char* source = arguments->getByteArray(0)->content;
+  // Params
+  size_t startCount = 1;
+  size_t count = arguments->getCount();
+  std::vector<INIT_FRAMEWORK_PARAMS*> params;
+  for (size_t i = startCount; i < count; i += 2) {
+    if (arguments->getType(i) != IPCType::BYTEARRAY) {
+      continue;
+    }
+    if (arguments->getType(1 + i) != IPCType::BYTEARRAY) {
+      continue;
+    }
+    const IPCByteArray* ba = arguments->getByteArray(1 + i);
+    const IPCByteArray* ba_type = arguments->getByteArray(i);
+    auto init_framework_params =
+        (INIT_FRAMEWORK_PARAMS*)malloc(sizeof(INIT_FRAMEWORK_PARAMS));
+    if (init_framework_params == nullptr) {
+      break;
+    }
+    memset(init_framework_params, 0, sizeof(INIT_FRAMEWORK_PARAMS));
+    init_framework_params->type = IPCByteArrayToWeexByteArray(ba_type);
+    init_framework_params->value = IPCByteArrayToWeexByteArray(ba);
+    params.push_back(init_framework_params);
+  }
+  return createInt32Result(
+      Instance()->core_side()->InitFramework(source, params));
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::InitAppFramework(
+    IPCArguments* arguments) {
+  const char* id = arguments->getByteArray(0)->content;
+  const char* js = arguments->getByteArray(1)->content;
+  LOGE("Weex jsserver IPCJSMsg::INITAPPFRAMEWORK id:%s", id);
+  if (strcmp(id, "") == 0) {
+    return createInt32Result(static_cast<int32_t>(false));
+  }
+  // Params
+  size_t startCount = 2;
+  size_t count = arguments->getCount();
+  std::vector<INIT_FRAMEWORK_PARAMS*> params;
+  for (size_t i = startCount; i < count; i += 2) {
+    if (arguments->getType(i) != IPCType::BYTEARRAY) {
+      continue;
+    }
+    if (arguments->getType(1 + i) != IPCType::BYTEARRAY) {
+      continue;
+    }
+    const IPCByteArray* ba = arguments->getByteArray(1 + i);
+    const IPCByteArray* ba_type = arguments->getByteArray(i);
+    auto init_framework_params =
+        (INIT_FRAMEWORK_PARAMS*)malloc(sizeof(INIT_FRAMEWORK_PARAMS));
+    if (init_framework_params == nullptr) {
+      break;
+    }
+    memset(init_framework_params, 0, sizeof(INIT_FRAMEWORK_PARAMS));
+    init_framework_params->type = IPCByteArrayToWeexByteArray(ba_type);
+    init_framework_params->value = IPCByteArrayToWeexByteArray(ba);
+    params.push_back(init_framework_params);
+  }
+  return createInt32Result(
+      Instance()->core_side()->InitAppFramework(id, js, params));
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::CreateAppContext(
+    IPCArguments* arguments) {
+  LOGE("IPC CreateAppContext");
+  // LOGE("Weex jsserver IPCJSMsg::CREATEAPPCONTEXT start");
+  const char* instanceID = arguments->getByteArray(0)->content;
+  const char* js = arguments->getByteArray(1)->content;
+  // LOGE("Weex jsserver IPCJSMsg::CREATEAPPCONTEXT end");
+  return createInt32Result(
+      Instance()->core_side()->CreateAppContext(instanceID, js));
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::ExecJSOnAppWithResult(
+    IPCArguments* arguments) {
+  LOGE("IPC ExecJSONAppWithResult");
+  // LOGE("Weex jsserver IPCJSMsg::ExecJSONAppWithResult start");
+  const char* instanceID = arguments->getByteArray(0)->content;
+  const char* js = arguments->getByteArray(1)->content;
+  char* result = const_cast<char*>(
+      Instance()->core_side()->ExecJSOnAppWithResult(instanceID, js));
+
+  if (result == nullptr)
+    return createByteArrayResult(nullptr, 0);
+  else
+    return createCharArrayResult(result);
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::CallJSOnAppContext(
+    IPCArguments* arguments) {
+  LOGE("IPC CallJSONAppContext");
+  // LOGE("Weex jsserver IPCJSMsg::CallJSONAppContext start");
+  const char* instanceId = arguments->getByteArray(0)->content;
+  const char* func = arguments->getByteArray(1)->content;
+
+  std::vector<VALUE_WITH_TYPE*> params;
+  FillVectorOfValueWithType(params, arguments, 2, arguments->getCount());
+  auto result =
+      Instance()->core_side()->CallJSOnAppContext(instanceId, func, params);
+  ClearVectorOfValueWithType(params);
+  return createInt32Result(result);
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::DestroyAppContext(
+    IPCArguments* arguments) {
+  LOGE("IPC DestroyAppContext");
+  // LOGE("Weex jsserver IPCJSMsg::DestroyAppContext start");
+  const char* instanceID = arguments->getByteArray(0)->content;
+  if (strlen(instanceID) == 0) {
+    return createInt32Result(static_cast<int32_t>(false));
+  }
+
+  return createInt32Result(
+      Instance()->core_side()->DestroyAppContext(instanceID));
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::ExecJSService(
+    IPCArguments* arguments) {
+  LOGE("IPC ExecJSService");
+  const char* source = arguments->getByteArray(0)->content;
+  return createInt32Result(Instance()->core_side()->ExecJsService(source));
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::ExecTimerCallback(
+    IPCArguments* arguments) {
+  LOGE("IPC ExecTimerCallback");
+  const char* source = arguments->getByteArray(0)->content;
+  Instance()->core_side()->ExecTimeCallback(source);
+  return createVoidResult();
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::ExecJS(
+    IPCArguments* arguments) {
+  LOGE("IPC ExecJS");
+  const char* instanceId = arguments->getByteArray(0)->content;
+  const char* namespaceStr = arguments->getByteArray(1)->content;
+  const char* func = arguments->getByteArray(2)->content;
+
+  std::vector<VALUE_WITH_TYPE*> params;
+  FillVectorOfValueWithType(params, arguments, 3, arguments->getCount());
+  auto result =
+      Instance()->core_side()->ExecJS(instanceId, namespaceStr, func, params);
+  ClearVectorOfValueWithType(params);
+  return createInt32Result(result);
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::ExecJSWithResult(
+    IPCArguments* arguments) {
+  LOGE("IPC ExecJSWithResult");
+  const char* instanceId = arguments->getByteArray(0)->content;
+  const char* namespaceStr = arguments->getByteArray(1)->content;
+  const char* func = arguments->getByteArray(2)->content;
+
+  std::vector<VALUE_WITH_TYPE*> params;
+  FillVectorOfValueWithType(params, arguments, 3, arguments->getCount());
+  WeexJSResult jsResult = Instance()->core_side()->ExecJSWithResult(
+      instanceId, namespaceStr, func, params);
+  ClearVectorOfValueWithType(params);
+
+  if (jsResult.length <= 0) {
+    return createByteArrayResult(nullptr, 0);
+  }
+  std::unique_ptr<IPCResult> ipcResult =
+      createByteArrayResult(jsResult.data, jsResult.length);
+  WeexJSResultDataFree(jsResult);
+  return ipcResult;
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::CreateInstance(
+    IPCArguments* arguments) {
+  LOGE("IPC CreateInstance");
+
+  const char* instanceID = arguments->getByteArray(0)->content;
+  const char* func = arguments->getByteArray(1)->content;
+  const char* script = arguments->getByteArray(2)->content;
+  const char* opts = arguments->getByteArray(3)->content;
+  const char* initData = arguments->getByteArray(4)->content;
+  const char* extendsApi = arguments->getByteArray(5)->content;
+
+  size_t startCount = 6;
+  size_t count = arguments->getCount();
+  std::vector<INIT_FRAMEWORK_PARAMS*> params;
+  for (size_t i = startCount; i < count; i += 2) {
+    if (arguments->getType(i) != IPCType::BYTEARRAY) {
+      continue;
+    }
+    if (arguments->getType(1 + i) != IPCType::BYTEARRAY) {
+      continue;
+    }
+    const IPCByteArray* ba = arguments->getByteArray(1 + i);
+    const IPCByteArray* ba_type = arguments->getByteArray(i);
+    auto init_framework_params =
+            (INIT_FRAMEWORK_PARAMS*)malloc(sizeof(INIT_FRAMEWORK_PARAMS));
+    if (init_framework_params == nullptr) {
+      break;
+    }
+    memset(init_framework_params, 0, sizeof(INIT_FRAMEWORK_PARAMS));
+    init_framework_params->type = IPCByteArrayToWeexByteArray(ba_type);
+    init_framework_params->value = IPCByteArrayToWeexByteArray(ba);
+    params.push_back(init_framework_params);
+  }
+  return createInt32Result(Instance()->core_side()->CreateInstance(
+      instanceID, func, script, opts, initData, extendsApi,params));
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::DestroyInstance(
+    IPCArguments* arguments) {
+  LOGE("IPC DestroyInstance");
+  const char* instanceID = arguments->getByteArray(0)->content;
+  if (strlen(instanceID) == 0) {
+    LOGE("DestoryInstance instanceId is NULL");
+    return createInt32Result(static_cast<int32_t>(false));
+  }
+
+  return createInt32Result(
+      Instance()->core_side()->DestroyInstance(instanceID));
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::ExecJSOnInstance(
+    IPCArguments* arguments) {
+  LOGE("IPC ExecJSONInstance");
+  const char* instanceID = arguments->getByteArray(0)->content;
+  const char* script = arguments->getByteArray(1)->content;
+
+  char* result = const_cast<char*>(
+      Instance()->core_side()->ExecJSOnInstance(instanceID, script));
+
+  if (result == nullptr)
+    return createByteArrayResult(nullptr, 0);
+  else
+    return createCharArrayResult(result);
+}
+
+std::unique_ptr<IPCResult> PlatformBridgeInMultiProcess::UpdateGlobalConfig(
+    IPCArguments* arguments) {
+  LOGE("IPC UpdateGlobalConfig");
+  const char* configString = arguments->getByteArray(0)->content;
+  Instance()->core_side()->UpdateGlobalConfig(configString);
+  return createVoidResult();
+}
+
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_process.h b/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_process.h
new file mode 100644
index 0000000000..d951c33b12
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_process.h
@@ -0,0 +1,95 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/12.
+//
+
+#ifndef WEEXV8_PLATFORM_MULTI_PROCESS_BRIDGE_H
+#define WEEXV8_PLATFORM_MULTI_PROCESS_BRIDGE_H
+
+#include "core/bridge/platform_bridge.h"
+
+class IPCHandler;
+class IPCResult;
+class IPCArguments;
+namespace weex {
+class PlatformBridgeInMultiProcess : public WeexCore::PlatformBridge {
+ public:
+  static PlatformBridgeInMultiProcess* Instance() {
+    if (g_instance == NULL) {
+      g_instance = new PlatformBridgeInMultiProcess();
+    }
+    return g_instance;
+  }
+
+  void RegisterIPCCallback(IPCHandler* handler);
+
+ private:
+#define IPC_METHOD(method_name) \
+  static std::unique_ptr<IPCResult> method_name(IPCArguments* arguments);
+
+  IPC_METHOD(SetDefaultHeightAndWidthIntoRootDom)
+  IPC_METHOD(OnInstanceClose)
+  IPC_METHOD(SetStyleWidth)
+  IPC_METHOD(SetStyleHeight)
+  IPC_METHOD(SetMargin)
+  IPC_METHOD(SetPadding)
+  IPC_METHOD(SetPosition)
+  IPC_METHOD(MarkDirty)
+  IPC_METHOD(SetViewPortWidth)
+  IPC_METHOD(ForceLayout)
+  IPC_METHOD(NotifyLayout)
+  IPC_METHOD(GetFirstScreenRenderTime)
+  IPC_METHOD(GetRenderFinishTime)
+  IPC_METHOD(SetRenderContainerWrapContent)
+  IPC_METHOD(BindMeasurementToRenderObject)
+  IPC_METHOD(RegisterCoreEnv)
+  IPC_METHOD(GetRenderObject)
+  IPC_METHOD(UpdateRenderObjectStyle)
+  IPC_METHOD(UpdateRenderObjectAttr)
+  IPC_METHOD(CopyRenderObject)
+  IPC_METHOD(SetMeasureFunctionAdapter)
+  IPC_METHOD(SetPlatform)
+  IPC_METHOD(SetDeviceWidthAndHeight)
+  IPC_METHOD(AddOption)
+
+  IPC_METHOD(InitFramework)
+  IPC_METHOD(InitAppFramework)
+  IPC_METHOD(CreateAppContext)
+  IPC_METHOD(ExecJSOnAppWithResult)
+  IPC_METHOD(CallJSOnAppContext)
+  IPC_METHOD(DestroyAppContext)
+  IPC_METHOD(ExecJSService)
+  IPC_METHOD(ExecTimerCallback)
+  IPC_METHOD(ExecJS)
+  IPC_METHOD(ExecJSWithResult)
+  IPC_METHOD(CreateInstance)
+  IPC_METHOD(ExecJSOnInstance)
+  IPC_METHOD(DestroyInstance)
+  IPC_METHOD(UpdateGlobalConfig)
+
+ private:
+  PlatformBridgeInMultiProcess();
+  virtual ~PlatformBridgeInMultiProcess();
+  static PlatformBridgeInMultiProcess* g_instance;
+  DISALLOW_COPY_AND_ASSIGN(PlatformBridgeInMultiProcess);
+};
+}  // namespace weex
+
+#endif  // WEEXV8_PLATFORM_MULTI_PROCESS_BRIDGE_H
diff --git a/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_so.cpp b/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_so.cpp
new file mode 100644
index 0000000000..99e439ccf4
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_so.cpp
@@ -0,0 +1,300 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/12.
+//
+
+#include "platform_bridge_in_multi_so.h"
+#include "android/base/log_utils.h"
+#include "android/jsengine/bridge/script/script_bridge_in_simple.h"
+#include "core/config/core_environment.h"
+#include "core_side_in_simple.h"
+#include "core/manager/weex_core_manager.h"
+#include "include/WeexApiHeader.h"
+#include "platform_side_in_multi_so.h"
+
+static PlatformExposeFunctions *g_platform_expose_functions = nullptr;
+
+// For so to change function to communicate
+extern "C" CoreSideFunctionsOfPlatformBridge *ExchangePlatformBridgeFunctions(
+    PlatformExposeFunctions *platform_expose_functions) {
+  g_platform_expose_functions = platform_expose_functions;
+  return weex::PlatformBridgeInMultiSo::GetExposedFunctions();
+}
+
+namespace weex {
+PlatformBridgeInMultiSo *PlatformBridgeInMultiSo::g_instance = NULL;
+
+PlatformBridgeInMultiSo::PlatformBridgeInMultiSo() {
+  set_core_side(new CoreSideInSimple);
+  set_platform_side(new PlatformSideInMultiSo(g_platform_expose_functions));
+}
+
+PlatformBridgeInMultiSo::~PlatformBridgeInMultiSo() {}
+
+CoreSideFunctionsOfPlatformBridge *
+PlatformBridgeInMultiSo::GetExposedFunctions() {
+  CoreSideFunctionsOfPlatformBridge temp = {SetDefaultHeightAndWidthIntoRootDom,
+                                            OnInstanceClose,
+                                            SetStyleWidth,
+                                            SetStyleHeight,
+                                            SetMargin,
+                                            SetPadding,
+                                            SetPosition,
+                                            MarkDirty,
+                                            SetViewPortWidth,
+                                            ForceLayout,
+                                            NotifyLayout,
+                                            GetFirstScreenRenderTime,
+                                            GetRenderFinishTime,
+                                            SetRenderContainerWrapContent,
+                                            BindMeasurementToRenderObject,
+                                            RegisterCoreEnv,
+                                            GetRenderObject,
+                                            UpdateRenderObjectStyle,
+                                            UpdateRenderObjectAttr,
+                                            CopyRenderObject,
+                                            SetMeasureFunctionAdapter,
+                                            SetPlatform,
+                                            SetDeviceWidthAndHeight,
+                                            AddOption,
+                                            InitFramework,
+                                            InitAppFramework,
+                                            CreateAppContext,
+                                            ExecJSOnAppWithResult,
+                                            CallJSOnAppContext,
+                                            DestroyAppContext,
+                                            ExecJsService,
+                                            ExecTimeCallback,
+                                            ExecJS,
+                                            ExecJSWithResult,
+                                            CreateInstance,
+                                            ExecJSOnInstance,
+                                            DestroyInstance,
+                                            UpdateGlobalConfig};
+  auto functions = (CoreSideFunctionsOfPlatformBridge *)malloc(
+      sizeof(CoreSideFunctionsOfPlatformBridge));
+  memset(functions, 0, sizeof(CoreSideFunctionsOfPlatformBridge));
+  memcpy(functions, &temp, sizeof(CoreSideFunctionsOfPlatformBridge));
+  return functions;
+}
+
+///////////////////////////
+
+void PlatformBridgeInMultiSo::SetDefaultHeightAndWidthIntoRootDom(
+    const std::string &instance_id, float default_width, float default_height,
+    bool is_width_wrap_content, bool is_height_wrap_content) {
+  g_instance->core_side()->SetDefaultHeightAndWidthIntoRootDom(
+      instance_id, default_width, default_height, is_width_wrap_content,
+      is_height_wrap_content);
+}
+
+void PlatformBridgeInMultiSo::OnInstanceClose(const std::string &instance_id) {
+  LOGE("OnInstanceClose OnInstanceClose");
+  g_instance->core_side()->OnInstanceClose(instance_id);
+}
+
+void PlatformBridgeInMultiSo::SetStyleWidth(const std::string &instance_id,
+                                            const std::string &render_ref,
+                                            float width) {
+  g_instance->core_side()->SetStyleWidth(instance_id, render_ref, width);
+}
+
+void PlatformBridgeInMultiSo::SetStyleHeight(const std::string &instance_id,
+                                             const std::string &render_ref,
+                                             float height) {
+  g_instance->core_side()->SetStyleHeight(instance_id, render_ref, height);
+}
+
+void PlatformBridgeInMultiSo::SetMargin(const std::string &instance_id,
+                                        const std::string &render_ref, int edge,
+                                        float value) {
+  g_instance->core_side()->SetMargin(instance_id, render_ref, edge, value);
+}
+void PlatformBridgeInMultiSo::SetPadding(const std::string &instance_id,
+                                         const std::string &render_ref,
+                                         int edge, float value) {
+  g_instance->core_side()->SetPadding(instance_id, render_ref, edge, value);
+}
+
+void PlatformBridgeInMultiSo::SetPosition(const std::string &instance_id,
+                                          const std::string &render_ref,
+                                          int edge, float value) {
+  g_instance->core_side()->SetPosition(instance_id, render_ref, edge, value);
+}
+
+void PlatformBridgeInMultiSo::MarkDirty(const std::string &instance_id,
+                                        const std::string &render_ref) {
+  g_instance->core_side()->MarkDirty(instance_id, render_ref);
+}
+
+void PlatformBridgeInMultiSo::SetViewPortWidth(const std::string &instance_id,
+                                               float width) {
+  g_instance->core_side()->SetViewPortWidth(instance_id, width);
+}
+
+void PlatformBridgeInMultiSo::ForceLayout(const std::string &instance_id) {
+  g_instance->core_side()->ForceLayout(instance_id);
+}
+
+bool PlatformBridgeInMultiSo::NotifyLayout(const std::string &instance_id) {
+  return g_instance->core_side()->NotifyLayout(instance_id);
+}
+
+std::vector<int64_t> PlatformBridgeInMultiSo::GetFirstScreenRenderTime(
+    const std::string &instance_id) {
+  return g_instance->core_side()->GetFirstScreenRenderTime(instance_id);
+}
+
+std::vector<int64_t> PlatformBridgeInMultiSo::GetRenderFinishTime(
+    const std::string &instance_id) {
+  return g_instance->core_side()->GetRenderFinishTime(instance_id);
+}
+
+void PlatformBridgeInMultiSo::SetRenderContainerWrapContent(
+    const std::string &instance_id, bool wrap) {
+  g_instance->core_side()->SetRenderContainerWrapContent(instance_id, wrap);
+}
+
+void PlatformBridgeInMultiSo::BindMeasurementToRenderObject(long ptr) {
+  g_instance->core_side()->BindMeasurementToRenderObject(ptr);
+}
+
+void PlatformBridgeInMultiSo::RegisterCoreEnv(const std::string &key,
+                                              const std::string &value) {
+  g_instance->core_side()->RegisterCoreEnv(key, value);
+}
+
+long PlatformBridgeInMultiSo::GetRenderObject(const std::string &instance_id,
+                                              const std::string &render_ref) {
+  return g_instance->core_side()->GetRenderObject(instance_id, render_ref);
+}
+void PlatformBridgeInMultiSo::UpdateRenderObjectStyle(
+    long render_ptr, const std::string &key, const std::string &value) {
+  g_instance->core_side()->UpdateRenderObjectStyle(render_ptr, key, value);
+}
+
+void PlatformBridgeInMultiSo::UpdateRenderObjectAttr(long render_ptr,
+                                                     const std::string &key,
+                                                     const std::string &value) {
+  g_instance->core_side()->UpdateRenderObjectAttr(render_ptr, key, value);
+}
+
+long PlatformBridgeInMultiSo::CopyRenderObject(long render_ptr) {
+  return g_instance->core_side()->CopyRenderObject(render_ptr);
+}
+
+void PlatformBridgeInMultiSo::SetMeasureFunctionAdapter() {
+  WeexCore::WeexCoreManager::Instance()->set_platform_bridge(
+      PlatformBridgeInMultiSo::Instance());
+  g_instance->core_side()->SetMeasureFunctionAdapter();
+}
+
+void PlatformBridgeInMultiSo::SetPlatform(const std::string &platformName) {
+  WXCoreEnvironment::getInstance()->SetPlatform(platformName);
+}
+
+void PlatformBridgeInMultiSo::SetDeviceWidthAndHeight(float width,
+                                                      float height) {
+  WXCoreEnvironment::getInstance()->set_device_width(width);
+  WXCoreEnvironment::getInstance()->set_device_height(height);
+}
+
+void PlatformBridgeInMultiSo::AddOption(const std::string &key,
+                                        const std::string &value) {
+  WXCoreEnvironment::getInstance()->AddOption(key, value);
+}
+
+int PlatformBridgeInMultiSo::InitFramework(
+    const char *script, std::vector<INIT_FRAMEWORK_PARAMS *> &params) {
+  return Instance()->core_side()->InitFramework(script, params);
+}
+
+int PlatformBridgeInMultiSo::InitAppFramework(
+    const char *instanceId, const char *appFramework,
+    std::vector<INIT_FRAMEWORK_PARAMS *> &params) {
+  return Instance()->core_side()->InitAppFramework(instanceId, appFramework,
+                                                   params);
+}
+
+int PlatformBridgeInMultiSo::CreateAppContext(const char *instanceId,
+                                              const char *jsBundle) {
+  return Instance()->core_side()->CreateAppContext(instanceId, jsBundle);
+}
+
+std::unique_ptr<WeexJSResult> PlatformBridgeInMultiSo::ExecJSOnAppWithResult(const char *instanceId,
+                                                     const char *jsBundle) {
+  return const_cast<char *>(
+      Instance()->core_side()->ExecJSOnAppWithResult(instanceId, jsBundle));
+}
+
+int PlatformBridgeInMultiSo::CallJSOnAppContext(
+    const char *instanceId, const char *func,
+    std::vector<VALUE_WITH_TYPE *> &params) {
+  return Instance()->core_side()->CallJSOnAppContext(instanceId, func, params);
+}
+
+int PlatformBridgeInMultiSo::DestroyAppContext(const char *instanceId) {
+  return Instance()->core_side()->DestroyAppContext(instanceId);
+}
+
+int PlatformBridgeInMultiSo::ExecJsService(const char *source) {
+  return Instance()->core_side()->ExecJsService(source);
+}
+
+int PlatformBridgeInMultiSo::ExecTimeCallback(const char *source) {
+  return Instance()->core_side()->ExecTimeCallback(source);
+}
+
+int PlatformBridgeInMultiSo::ExecJS(const char *instanceId,
+                                    const char *nameSpace, const char *func,
+                                    std::vector<VALUE_WITH_TYPE *> &params) {
+  return Instance()->core_side()->ExecJS(instanceId, nameSpace, func, params);
+}
+
+std::unique_ptr<WeexJSResult>  PlatformBridgeInMultiSo::ExecJSWithResult(
+    const char *instanceId, const char *nameSpace, const char *func,
+    std::vector<VALUE_WITH_TYPE *> &params) {
+  return Instance()->core_side()->ExecJSWithResult(instanceId, nameSpace, func,
+                                                   params);
+}
+
+int PlatformBridgeInMultiSo::CreateInstance(
+    const char *instanceId, const char *func, const char *script,
+    const char *opts, const char *initData, const char *extendsApi,
+    std::vector<INIT_FRAMEWORK_PARAMS*>& params) {
+  return Instance()->core_side()->CreateInstance(instanceId, func, script, opts,
+                                                 initData, extendsApi,params);
+}
+
+std::unique_ptr<WeexJSResult> PlatformBridgeInMultiSo::ExecJSOnInstance(const char *instanceId,
+                                                const char *script) {
+  return const_cast<char *>(
+      Instance()->core_side()->ExecJSOnInstance(instanceId, script));
+}
+
+int PlatformBridgeInMultiSo::DestroyInstance(const char *instanceId) {
+  return Instance()->core_side()->DestroyInstance(instanceId);
+}
+
+int PlatformBridgeInMultiSo::UpdateGlobalConfig(const char *config) {
+  return Instance()->core_side()->UpdateGlobalConfig(config);
+}
+
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_so.h b/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_so.h
new file mode 100644
index 0000000000..af36487fa1
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/platform/platform_bridge_in_multi_so.h
@@ -0,0 +1,119 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/12.
+//
+
+#ifndef WEEXV8_PLATFORM_MULTI_SO_BRIDGE_H
+#define WEEXV8_PLATFORM_MULTI_SO_BRIDGE_H
+
+#include <map>
+#include <set>
+#include <vector>
+#include "base/common.h"
+#include "core/bridge/platform_bridge.h"
+#include "include/WeexApiHeader.h"
+
+namespace weex {
+
+class PlatformBridgeInMultiSo : public WeexCore::PlatformBridge {
+ public:
+  static PlatformBridgeInMultiSo *Instance() {
+    if (g_instance == NULL) {
+      g_instance = new PlatformBridgeInMultiSo();
+    }
+    return g_instance;
+  }
+
+  static CoreSideFunctionsOfPlatformBridge *GetExposedFunctions();
+  static void SetDefaultHeightAndWidthIntoRootDom(
+      const std::string &instance_id, float default_width, float default_height,
+      bool is_width_wrap_content, bool is_height_wrap_content);
+  static void OnInstanceClose(const std::string &instance_id);
+  static void SetStyleWidth(const std::string &instance_id,
+                            const std::string &render_ref, float width);
+  static void SetStyleHeight(const std::string &instance_id,
+                             const std::string &render_ref, float height);
+  static void SetMargin(const std::string &instance_id,
+                        const std::string &render_ref, int edge, float value);
+  static void SetPadding(const std::string &instance_id,
+                         const std::string &render_ref, int edge, float value);
+  static void SetPosition(const std::string &instance_id,
+                          const std::string &render_ref, int edge, float value);
+  static void MarkDirty(const std::string &instance_id,
+                        const std::string &render_ref);
+  static void SetViewPortWidth(const std::string &instance_id, float width);
+  static void ForceLayout(const std::string &instance_id);
+  static bool NotifyLayout(const std::string &instance_id);
+  static std::vector<int64_t> GetFirstScreenRenderTime(
+      const std::string &instance_id);
+  static std::vector<int64_t> GetRenderFinishTime(
+      const std::string &instance_id);
+  static void SetRenderContainerWrapContent(const std::string &instance_id,
+                                            bool wrap);
+  static void BindMeasurementToRenderObject(long ptr);
+  static void RegisterCoreEnv(const std::string &key, const std::string &value);
+
+  static long GetRenderObject(const std::string &instance_id,
+                              const std::string &render_ref);
+  static void UpdateRenderObjectStyle(long render_ptr, const std::string &key,
+                                      const std::string &value);
+  static void UpdateRenderObjectAttr(long render_ptr, const std::string &key,
+                                     const std::string &value);
+  static long CopyRenderObject(long render_ptr);
+  static void SetMeasureFunctionAdapter();
+  static void SetPlatform(const std::string &platformName);
+  static void SetDeviceWidthAndHeight(float width, float height);
+  static void AddOption(const std::string &key, const std::string &value);
+
+  static int InitFramework(const char *script,
+                           std::vector<INIT_FRAMEWORK_PARAMS *> &params);
+  static int InitAppFramework(const char *instanceId, const char *appFramework,
+                              std::vector<INIT_FRAMEWORK_PARAMS *> &params);
+  static int CreateAppContext(const char *instanceId, const char *jsBundle);
+  static std::unique_ptr<WeexJSResult> ExecJSOnAppWithResult(const char *instanceId,
+                                     const char *jsBundle);
+  static int CallJSOnAppContext(const char *instanceId, const char *func,
+                                std::vector<VALUE_WITH_TYPE *> &params);
+  static int DestroyAppContext(const char *instanceId);
+  static int ExecJsService(const char *source);
+  static int ExecTimeCallback(const char *source);
+  static int ExecJS(const char *instanceId, const char *nameSpace,
+                    const char *func, std::vector<VALUE_WITH_TYPE *> &params);
+  static std::unique_ptr<WeexJSResult>  ExecJSWithResult(const char *instanceId,
+                                       const char *nameSpace, const char *func,
+                                       std::vector<VALUE_WITH_TYPE *> &params);
+  static int CreateInstance(const char *instanceId, const char *func,
+                            const char *script, const char *opts,
+                            const char *initData, const char *extendsApi,
+                            std::vector<INIT_FRAMEWORK_PARAMS*>& params);
+  static std::unique_ptr<WeexJSResult> ExecJSOnInstance(const char *instanceId, const char *script);
+  static int DestroyInstance(const char *instanceId);
+  static int UpdateGlobalConfig(const char *config);
+
+ private:
+  PlatformBridgeInMultiSo();
+  virtual ~PlatformBridgeInMultiSo();
+
+  static PlatformBridgeInMultiSo *g_instance;
+  DISALLOW_COPY_AND_ASSIGN(PlatformBridgeInMultiSo);
+};
+}  // namespace weex
+
+#endif  // WEEXV8_PLATFORM_MULTI_SO_BRIDGE_H
diff --git a/weex_core/Source/android/jsengine/bridge/platform/platform_side_in_multi_so.cpp b/weex_core/Source/android/jsengine/bridge/platform/platform_side_in_multi_so.cpp
new file mode 100644
index 0000000000..839e27e019
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/platform/platform_side_in_multi_so.cpp
@@ -0,0 +1,203 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/14.
+//
+
+#include "platform_side_in_multi_so.h"
+#include "android/base/log_utils.h"
+#include "core/layout/layout.h"
+
+namespace weex {
+WXCoreSize PlatformSideInMultiSo::InvokeMeasureFunction(
+    const char *page_id, long render_ptr, float width, int width_measure_mode,
+    float height, int height_measure_mode) {
+  return platform_expose_functions_->invoke_measure_function(
+      page_id, render_ptr, width, width_measure_mode, height,
+      height_measure_mode);
+}
+void PlatformSideInMultiSo::InvokeLayoutBefore(const char *page_id,
+                                               long render_ptr) {
+  platform_expose_functions_->invoke_layout_before(page_id, render_ptr);
+}
+void PlatformSideInMultiSo::InvokeLayoutAfter(const char *page_id,
+                                              long render_ptr, float width,
+                                              float height) {
+  platform_expose_functions_->invoke_layout_after(page_id, render_ptr, width,
+                                                  height);
+}
+
+void PlatformSideInMultiSo::SetJSVersion(const char *version) {
+  platform_expose_functions_->set_js_version(version);
+}
+
+void PlatformSideInMultiSo::ReportException(const char *page_id,
+                                            const char *func,
+                                            const char *exception_string) {
+  platform_expose_functions_->report_exception(page_id, func, exception_string);
+}
+
+void PlatformSideInMultiSo::ReportServerCrash(const char *instance_id) {
+  platform_expose_functions_->report_server_crash(instance_id);
+}
+
+void PlatformSideInMultiSo::ReportNativeInitStatus(const char *status_code,
+                                                   const char *error_msg) {
+  platform_expose_functions_->report_native_Init_status(status_code, error_msg);
+}
+
+int PlatformSideInMultiSo::CallNative(const char *page_id, const char *task,
+                                      const char *callback) {
+  return platform_expose_functions_->call_native(page_id, task, callback);
+}
+
+std::unique_ptr<IPCResult> PlatformSideInMultiSo::CallNativeModule(
+    const char *page_id, const char *module, const char *method,
+    const char *arguments, int arguments_length, const char *options,
+    int options_length) {
+  return platform_expose_functions_->call_native_module(
+      page_id, module, method, arguments, arguments_length, options,
+      options_length);
+}
+
+void PlatformSideInMultiSo::CallNativeComponent(
+    const char *page_id, const char *ref, const char *method,
+    const char *arguments, int arguments_length, const char *options,
+    int options_length) {
+  platform_expose_functions_->call_native_component(page_id, ref, method,
+                                                    arguments, arguments_length,
+                                                    options, options_length);
+}
+
+void PlatformSideInMultiSo::SetTimeout(const char *callback_id,
+                                       const char *time) {
+  platform_expose_functions_->set_timeout(callback_id, time);
+}
+
+void PlatformSideInMultiSo::NativeLog(const char *str_array) {
+  platform_expose_functions_->native_log(str_array);
+}
+
+int PlatformSideInMultiSo::UpdateFinish(const char *page_id, const char *task, int taskLen,
+                                        const char* callback, int callbackLen) {
+  return platform_expose_functions_->update_finish(page_id, task,taskLen, callback,callbackLen);
+}
+
+int PlatformSideInMultiSo::RefreshFinish(const char *page_id, const char *task,
+                                         const char *callback) {
+  return platform_expose_functions_->refresh_finish(page_id, task, callback);
+}
+
+int PlatformSideInMultiSo::AddEvent(const char *page_id, const char *ref,
+                                    const char *event) {
+  return platform_expose_functions_->add_event(page_id, ref, event);
+}
+
+int PlatformSideInMultiSo::RemoveEvent(const char *page_id, const char *ref,
+                                       const char *event) {
+  return platform_expose_functions_->remove_event(page_id, ref, event);
+}
+
+int PlatformSideInMultiSo::CreateBody(
+    const char *page_id, const char *component_type, const char *ref,
+    std::map<std::string, std::string> *styles,
+    std::map<std::string, std::string> *attributes,
+    std::set<std::string> *events, const WXCoreMargin &margins,
+    const WXCorePadding &paddings, const WXCoreBorderWidth &borders) {
+  return platform_expose_functions_->create_body(page_id, component_type, ref,
+                                                 styles, attributes, events,
+                                                 margins, paddings, borders);
+}
+
+int PlatformSideInMultiSo::AddElement(
+    const char *page_id, const char *component_type, const char *ref,
+    int &index, const char *parentRef,
+    std::map<std::string, std::string> *styles,
+    std::map<std::string, std::string> *attributes,
+    std::set<std::string> *events, const WXCoreMargin &margins,
+    const WXCorePadding &paddings, const WXCoreBorderWidth &borders,
+    bool willLayout) {
+  return platform_expose_functions_->add_element(
+      page_id, component_type, ref, index, parentRef, styles, attributes,
+      events, margins, paddings, borders, willLayout);
+}
+
+int PlatformSideInMultiSo::Layout(const char* page_id, const char* ref, float top,
+                  float bottom, float left, float right, float height,
+                  float width, bool isRTL, int index) {
+  return platform_expose_functions_->layout(page_id, ref, top, bottom, left,
+                                            right, height, width, isRTL, index);
+}
+
+int PlatformSideInMultiSo::UpdateStyle(
+    const char *page_id, const char *ref,
+    std::vector<std::pair<std::string, std::string>> *style,
+    std::vector<std::pair<std::string, std::string>> *margin,
+    std::vector<std::pair<std::string, std::string>> *padding,
+    std::vector<std::pair<std::string, std::string>> *border) {
+  return platform_expose_functions_->update_style(page_id, ref, style, margin,
+                                                  padding, border);
+}
+
+int PlatformSideInMultiSo::UpdateAttr(
+    const char *page_id, const char *ref,
+    std::vector<std::pair<std::string, std::string>> *attrs) {
+  return platform_expose_functions_->update_attrs(page_id, ref, attrs);
+}
+
+int PlatformSideInMultiSo::CreateFinish(const char *page_id) {
+  return platform_expose_functions_->create_finish(page_id);
+}
+
+int PlatformSideInMultiSo::RenderSuccess(const char *page_id) {
+  return platform_expose_functions_->render_success(page_id);
+}
+
+int PlatformSideInMultiSo::RemoveElement(const char *page_id, const char *ref) {
+  return platform_expose_functions_->remove_element(page_id, ref);
+}
+
+int PlatformSideInMultiSo::MoveElement(const char *page_id, const char *ref,
+                                       const char *parent_ref, int index) {
+  return platform_expose_functions_->move_element(page_id, ref, parent_ref,
+                                                  index);
+}
+
+int PlatformSideInMultiSo::AppendTreeCreateFinish(const char *page_id,
+                                                  const char *ref) {
+  return platform_expose_functions_->append_tree_create_finish(page_id, ref);
+}
+
+int PlatformSideInMultiSo::HasTransitionPros(
+    const char *page_id, const char *ref,
+    std::vector<std::pair<std::string, std::string>> *style) {
+  return platform_expose_functions_->has_transition_pros(page_id, ref, style);
+}
+
+void PlatformSideInMultiSo::PostMessage(const char *vm_id, const char *data) {
+  platform_expose_functions_->post_message(vm_id, data);
+}
+
+void PlatformSideInMultiSo::DispatchMessage(const char *client_id,
+                                            const char *vm_id, const char *data,
+                                            const char *callback) {
+  platform_expose_functions_->dispatch_message(client_id, vm_id, data,
+                                               callback);
+}
+}  // namespace weex
\ No newline at end of file
diff --git a/weex_core/Source/android/jsengine/bridge/platform/platform_side_in_multi_so.h b/weex_core/Source/android/jsengine/bridge/platform/platform_side_in_multi_so.h
new file mode 100644
index 0000000000..1cc6206f71
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/platform/platform_side_in_multi_so.h
@@ -0,0 +1,128 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/14.
+//
+
+#ifndef WEEXV8_MULTI_SO_PLATFORM_SIDE_H
+#define WEEXV8_MULTI_SO_PLATFORM_SIDE_H
+
+#include "base/common.h"
+#include "core/bridge/platform_bridge.h"
+#include "include/WeexApiHeader.h"
+
+using namespace WeexCore;
+namespace weex {
+class PlatformSideInMultiSo : public WeexCore::PlatformBridge::PlatformSide {
+ public:
+  PlatformSideInMultiSo() {}
+  PlatformSideInMultiSo(PlatformExposeFunctions* platform_expose_functions)
+      : platform_expose_functions_(platform_expose_functions) {}
+  virtual ~PlatformSideInMultiSo() {}
+  inline void set_platform_expose_functions(
+      PlatformExposeFunctions* platform_expose_functions) {
+    platform_expose_functions_ = platform_expose_functions;
+  }
+  WXCoreSize InvokeMeasureFunction(const char* page_id, long render_ptr,
+                                   float width, int width_measure_mode,
+                                   float height,
+                                   int height_measure_mode) override;
+  void InvokeLayoutBefore(const char* page_id, long render_ptr) override;
+  void InvokeLayoutAfter(const char* page_id, long render_ptr, float width,
+                         float height) override;
+  void SetJSVersion(const char* version) override;
+  void ReportException(const char* page_id, const char* func,
+                       const char* exception_string) override;
+  void ReportServerCrash(const char* instance_id) override;
+  void ReportNativeInitStatus(const char* status_code,
+                              const char* error_msg) override;
+  int CallNative(const char* page_id, const char* task,
+                 const char* callback) override;
+  std::unique_ptr<IPCResult> CallNativeModule(
+      const char* page_ld, const char* module, const char* method,
+      const char* arguments, int arguments_length, const char* options,
+      int options_length) override;
+  void CallNativeComponent(const char* page_id, const char* ref,
+                           const char* method, const char* arguments,
+                           int arguments_length, const char* options,
+                           int options_length) override;
+  void SetTimeout(const char* callback_id, const char* time) override;
+  void NativeLog(const char* str_array) override;
+  int UpdateFinish(const char* page_id, const char* task, int taskLen,
+                   const char* callback, int callbackLen) override;
+  int RefreshFinish(const char* page_id, const char* task,
+                    const char* callback) override;
+  int AddEvent(const char* page_id, const char* ref,
+               const char* event) override;
+  int RemoveEvent(const char* page_id, const char* ref,
+                  const char* event) override;
+  int CreateBody(const char* pageId, const char* componentType, const char* ref,
+                 std::map<std::string, std::string>* styles,
+                 std::map<std::string, std::string>* attributes,
+                 std::set<std::string>* events, const WXCoreMargin& margins,
+                 const WXCorePadding& paddings,
+                 const WXCoreBorderWidth& borders) override;
+
+  int AddElement(const char* pageId, const char* componentType, const char* ref,
+                 int& index, const char* parentRef,
+                 std::map<std::string, std::string>* styles,
+                 std::map<std::string, std::string>* attributes,
+                 std::set<std::string>* events, const WXCoreMargin& margins,
+                 const WXCorePadding& paddings,
+                 const WXCoreBorderWidth& borders, bool willLayout) override;
+  int Layout(const char* page_id, const char* ref, float top,
+                       float bottom, float left, float right, float height,
+                       float width, bool isRTL, int index) override;
+
+  int UpdateStyle(
+      const char* pageId, const char* ref,
+      std::vector<std::pair<std::string, std::string>>* style,
+      std::vector<std::pair<std::string, std::string>>* margin,
+      std::vector<std::pair<std::string, std::string>>* padding,
+      std::vector<std::pair<std::string, std::string>>* border) override;
+  int UpdateAttr(
+      const char* pageId, const char* ref,
+      std::vector<std::pair<std::string, std::string>>* attrs) override;
+
+  int CreateFinish(const char* pageId) override;
+
+  int RenderSuccess(const char* pageId) override;
+
+  int RemoveElement(const char* pageId, const char* ref) override;
+
+  int MoveElement(const char* pageId, const char* ref, const char* parentRef,
+                  int index) override;
+
+  int AppendTreeCreateFinish(const char* pageId, const char* ref) override;
+
+  int HasTransitionPros(
+      const char* pageId, const char* ref,
+      std::vector<std::pair<std::string, std::string>>* style) override;
+  void PostMessage(const char* vm_id, const char* data) override;
+  void DispatchMessage(const char* client_id, const char* vm_id,
+                       const char* data, const char* callback) override;
+
+ private:
+  // Registered through bridge from other so
+  PlatformExposeFunctions* platform_expose_functions_;
+  DISALLOW_COPY_AND_ASSIGN(PlatformSideInMultiSo);
+};
+}  // namespace weex
+
+#endif  // WEEXV8_MULTI_SO_PLATFORM_SIDE_H
diff --git a/weex_core/Source/android/jsengine/bridge/platform/platform_side_multi_process.cpp b/weex_core/Source/android/jsengine/bridge/platform/platform_side_multi_process.cpp
new file mode 100644
index 0000000000..868dd21687
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/platform/platform_side_multi_process.cpp
@@ -0,0 +1,745 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#include "platform_side_multi_process.h"
+
+#include "android/jsengine/weex_ipc_server.h"
+#include "core/layout/layout.h"
+#include "third_party/IPC/Buffering/IPCBuffer.h"
+#include "third_party/IPC/IPCResult.h"
+#include "third_party/IPC/IPCSender.h"
+#include "third_party/IPC/Serializing/IPCSerializer.h"
+#include "third_party/IPC/IPCMessageJS.h"
+#include "wson/wson.h"
+
+namespace weex {
+
+inline static void wson_push_type_char_array(wson_buffer *buffer,
+                                             const char *src, int32_t length) {
+  wson_push_type_uint8_string(buffer, (const uint8_t *)src, length);
+}
+
+WXCoreSize PlatformSideInMultiProcess::InvokeMeasureFunction(
+    const char *page_id, long render_ptr, float width, int width_measure_mode,
+    float height, int height_measure_mode) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::INVOKE_MEASURE_FUNCTION));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(static_cast<int64_t>(render_ptr));
+  serializer->add(width);
+  serializer->add(width_measure_mode);
+  serializer->add(height);
+  serializer->add(height_measure_mode);
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+
+  const char *result_str = result->getByteArrayContent();
+  WXCoreSize size;
+  size.width = reinterpret_cast<const float *>(result_str)[0];
+  size.height = reinterpret_cast<const float *>(result_str)[1];
+  return size;
+}
+void PlatformSideInMultiProcess::InvokeLayoutBefore(const char *page_id,
+                                                    long render_ptr) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::INVOKE_LAYOUT_BEFORE));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(static_cast<int64_t>(render_ptr));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+}
+void PlatformSideInMultiProcess::InvokeLayoutAfter(const char *page_id,
+                                                   long render_ptr, float width,
+                                                   float height) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::INVOKE_LAYOUT_AFTER));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(static_cast<int64_t>(render_ptr));
+  serializer->add(width);
+  serializer->add(height);
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+}
+
+void PlatformSideInMultiProcess::SetJSVersion(const char *version) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::SET_JS_VERSION));
+  serializer->add(version, strlen(version));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+}
+
+void PlatformSideInMultiProcess::ReportException(const char *page_id,
+                                                 const char *func,
+                                                 const char *exception_string) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::REPORT_EXCEPTION));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(func, strlen(func));
+  serializer->add(exception_string, strlen(exception_string));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+}
+
+void PlatformSideInMultiProcess::ReportServerCrash(const char *instance_id) {
+  // TODO
+}
+
+void PlatformSideInMultiProcess::ReportNativeInitStatus(const char *status_code,
+                                         const char *error_msg) {
+  // TODO
+}
+
+int PlatformSideInMultiProcess::CallNative(const char *page_id,
+                                           const char *task,
+                                           const char *callback) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::CALL_NATIVE));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(task, strlen(task));
+  serializer->add(callback, strlen(callback));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+std::unique_ptr<IPCResult> PlatformSideInMultiProcess::CallNativeModule(
+    const char *page_id, const char *module, const char *method,
+    const char *arguments, int arguments_length, const char *options,
+    int options_length) {
+  LOGE("CallNativeModule ipc");
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::CALL_NATIVE_MODULE));
+  serializer->add(page_id, strlen(page_id));
+  // module args[1]
+  serializer->add(module, strlen(module));
+  // method args[2]
+  serializer->add(method, strlen(method));
+  // arguments args[3]
+  serializer->add(arguments, arguments_length);
+  // options args[4]
+  serializer->add(options, options_length);
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result;
+}
+
+void PlatformSideInMultiProcess::CallNativeComponent(
+    const char *page_id, const char *ref, const char *method,
+    const char *arguments, int arguments_length, const char *options,
+    int options_length) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::CALL_NATIVE_COMPONENT));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(ref, strlen(ref));
+  serializer->add(method, strlen(method));
+  serializer->add(arguments, arguments_length);
+  serializer->add(arguments_length);
+  serializer->add(options, options_length);
+  serializer->add(options_length);
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+}
+
+void PlatformSideInMultiProcess::SetTimeout(const char *callback_id,
+                                            const char *time) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::SET_TIMEOUT));
+  serializer->add(callback_id, strlen(callback_id));
+  serializer->add(time, strlen(time));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+}
+
+void PlatformSideInMultiProcess::NativeLog(const char *str_array) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::NATIVE_LOG));
+  serializer->add(str_array, strlen(str_array));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+}
+
+int PlatformSideInMultiProcess::UpdateFinish(const char *page_id,
+                                             const char *task, int taskLen,
+                                             const char *callback, int callbackLen) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::UPDATE_FINISH));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(task, strlen(task));
+  serializer->add(callback, strlen(callback));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::RefreshFinish(const char *page_id,
+                                              const char *task,
+                                              const char *callback) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::REFRESH_FINISH));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(task, strlen(task));
+  serializer->add(callback, strlen(callback));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::AddEvent(const char *page_id, const char *ref,
+                                         const char *event) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::ADD_EVENT));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(ref, strlen(ref));
+  serializer->add(event, strlen(event));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::RemoveEvent(const char *page_id,
+                                            const char *ref,
+                                            const char *event) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::REMOVE_EVENT));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(ref, strlen(ref));
+  serializer->add(event, strlen(event));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::CreateBody(
+    const char *page_id, const char *component_type, const char *ref,
+    std::map<std::string, std::string> *styles,
+    std::map<std::string, std::string> *attributes,
+    std::set<std::string> *events, const WXCoreMargin &margins,
+    const WXCorePadding &paddings, const WXCoreBorderWidth &borders) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::CREATE_BODY));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(component_type, strlen(component_type));
+  serializer->add(ref, strlen(ref));
+
+  if (styles != nullptr) {
+    wson_buffer *styles_buffer = wson_buffer_new();
+    wson_push_type_map(styles_buffer, styles->size());
+    for (auto it = styles->begin(); it != styles->end(); ++it) {
+      wson_push_type_char_array(styles_buffer, it->first.c_str(),
+                                it->first.size());
+      wson_push_type_char_array(styles_buffer, it->second.c_str(),
+                                it->second.size());
+    }
+    serializer->add(static_cast<char *>(styles_buffer->data),
+                    styles_buffer->position);
+    wson_buffer_free(styles_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  if (attributes != nullptr) {
+    wson_buffer *attrs_buffer = wson_buffer_new();
+    wson_push_type_map(attrs_buffer, attributes->size());
+    for (auto it = attributes->begin(); it != attributes->end(); ++it) {
+      wson_push_type_char_array(attrs_buffer, it->first.c_str(),
+                                it->first.size());
+      wson_push_type_char_array(attrs_buffer, it->second.c_str(),
+                                it->second.size());
+    }
+    serializer->add(static_cast<char *>(attrs_buffer->data),
+                    attrs_buffer->position);
+    wson_buffer_free(attrs_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  if (events != nullptr) {
+    wson_buffer *events_buffer = wson_buffer_new();
+    wson_push_type_array(events_buffer, events->size());
+    for (auto it = events->begin(); it != events->end(); ++it) {
+      wson_push_type_char_array(events_buffer, (*it).c_str(), (*it).size());
+    }
+    serializer->add(static_cast<char *>(events_buffer->data),
+                    events_buffer->position);
+    wson_buffer_free(events_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  float margins_buffer[]{
+      margins.getMargin(kMarginTop), margins.getMargin(kMarginBottom),
+      margins.getMargin(kMarginLeft), margins.getMargin(kMarginRight)};
+  serializer->add(reinterpret_cast<uint16_t *>(margins_buffer),
+                  4 * sizeof(float));
+  float paddings_buffer[]{
+      paddings.getPadding(kPaddingTop), paddings.getPadding(kPaddingBottom),
+      paddings.getPadding(kPaddingLeft), paddings.getPadding(kPaddingRight)};
+  serializer->add(reinterpret_cast<uint16_t *>(paddings_buffer),
+                  4 * sizeof(float));
+  float borders_buffer[]{borders.getBorderWidth(kBorderWidthTop),
+                         borders.getBorderWidth(kBorderWidthBottom),
+                         borders.getBorderWidth(kBorderWidthLeft),
+                         borders.getBorderWidth(kBorderWidthRight)};
+  serializer->add(reinterpret_cast<uint16_t *>(borders_buffer),
+                  4 * sizeof(float));
+
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::AddElement(
+    const char *page_id, const char *component_type, const char *ref,
+    int &index, const char *parentRef,
+    std::map<std::string, std::string> *styles,
+    std::map<std::string, std::string> *attributes,
+    std::set<std::string> *events, const WXCoreMargin &margins,
+    const WXCorePadding &paddings, const WXCoreBorderWidth &borders,
+    bool willLayout) {
+
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::ADD_ELEMENT));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(component_type, strlen(component_type));
+  serializer->add(ref, strlen(ref));
+  serializer->add(index);
+  serializer->add(parentRef, strlen(parentRef));
+
+  if (styles != nullptr) {
+    wson_buffer *styles_buffer = wson_buffer_new();
+    wson_push_type_map(styles_buffer, styles->size());
+    for (auto it = styles->begin(); it != styles->end(); ++it) {
+      wson_push_type_char_array(styles_buffer, it->first.c_str(),
+                                it->first.size());
+      wson_push_type_char_array(styles_buffer, it->second.c_str(),
+                                it->second.size());
+    }
+    serializer->add(static_cast<char *>(styles_buffer->data),
+                    styles_buffer->position);
+    wson_buffer_free(styles_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  if (attributes != nullptr) {
+    wson_buffer *attrs_buffer = wson_buffer_new();
+    wson_push_type_map(attrs_buffer, attributes->size());
+    for (auto it = attributes->begin(); it != attributes->end(); ++it) {
+      wson_push_type_char_array(attrs_buffer, it->first.c_str(),
+                                it->first.size());
+      wson_push_type_char_array(attrs_buffer, it->second.c_str(),
+                                it->second.size());
+    }
+    serializer->add(static_cast<char *>(attrs_buffer->data),
+                    attrs_buffer->position);
+    wson_buffer_free(attrs_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  if (events != nullptr) {
+    wson_buffer *events_buffer = wson_buffer_new();
+    wson_push_type_array(events_buffer, events->size());
+    for (auto it = events->begin(); it != events->end(); ++it) {
+      wson_push_type_char_array(events_buffer, (*it).c_str(), (*it).size());
+    }
+    serializer->add(static_cast<char *>(events_buffer->data),
+                    events_buffer->position);
+    wson_buffer_free(events_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  float margins_buffer[]{
+      margins.getMargin(kMarginTop), margins.getMargin(kMarginBottom),
+      margins.getMargin(kMarginLeft), margins.getMargin(kMarginRight)};
+  serializer->add(reinterpret_cast<const char *>(margins_buffer),
+                  4 * sizeof(float));
+  float paddings_buffer[]{
+      paddings.getPadding(kPaddingTop), paddings.getPadding(kPaddingBottom),
+      paddings.getPadding(kPaddingLeft), paddings.getPadding(kPaddingRight)};
+  serializer->add(reinterpret_cast<const char *>(paddings_buffer),
+                  4 * sizeof(float));
+  float borders_buffer[]{borders.getBorderWidth(kBorderWidthTop),
+                         borders.getBorderWidth(kBorderWidthBottom),
+                         borders.getBorderWidth(kBorderWidthLeft),
+                         borders.getBorderWidth(kBorderWidthRight)};
+  serializer->add(reinterpret_cast<const char *>(borders_buffer),
+                  4 * sizeof(float));
+  serializer->add(willLayout);
+
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::Layout(const char *page_id, const char *ref,
+                                       int top, int bottom, int left, int right,
+                                       int height, int width, bool isRTL,
+                                       int index) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(static_cast<uint32_t>(IPCMsgFromCoreToPlatform::LAYOUT));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(ref, strlen(ref));
+  serializer->add(top);
+  serializer->add(bottom);
+  serializer->add(left);
+  serializer->add(right);
+  serializer->add(height);
+  serializer->add(width);
+  serializer->add(isRTL);
+  serializer->add(index);
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::UpdateStyle(
+    const char *page_id, const char *ref,
+    std::vector<std::pair<std::string, std::string>> *style,
+    std::vector<std::pair<std::string, std::string>> *margin,
+    std::vector<std::pair<std::string, std::string>> *padding,
+    std::vector<std::pair<std::string, std::string>> *border) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::UPDATE_STYLE));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(ref, strlen(ref));
+
+  if (style != nullptr) {
+    wson_buffer *style_buffer = wson_buffer_new();
+    wson_push_type_map(style_buffer, style->size());
+    for (auto it = style->begin(); it != style->end(); ++it) {
+      wson_push_type_char_array(style_buffer, it->first.c_str(),
+                                it->first.size());
+      wson_push_type_char_array(style_buffer, it->second.c_str(),
+                                it->second.size());
+    }
+    serializer->add(static_cast<char *>(style_buffer->data),
+                    style_buffer->position);
+    wson_buffer_free(style_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  if (margin != nullptr) {
+    wson_buffer *margin_buffer = wson_buffer_new();
+    wson_push_type_map(margin_buffer, margin->size());
+    for (auto it = margin->begin(); it != margin->end(); ++it) {
+      wson_push_type_char_array(margin_buffer, it->first.c_str(),
+                                it->first.size());
+      wson_push_type_char_array(margin_buffer, it->second.c_str(),
+                                it->second.size());
+    }
+    serializer->add(static_cast<char *>(margin_buffer->data),
+                    margin_buffer->position);
+    wson_buffer_free(margin_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  if (padding != nullptr) {
+    wson_buffer *padding_buffer = wson_buffer_new();
+    wson_push_type_map(padding_buffer, padding->size());
+    for (auto it = padding->begin(); it != padding->end(); ++it) {
+      wson_push_type_char_array(padding_buffer, it->first.c_str(),
+                                it->first.size());
+      wson_push_type_char_array(padding_buffer, it->second.c_str(),
+                                it->second.size());
+    }
+    serializer->add(static_cast<char *>(padding_buffer->data),
+                    padding_buffer->position);
+    wson_buffer_free(padding_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  if (border != nullptr) {
+    wson_buffer *border_buffer = wson_buffer_new();
+    wson_push_type_map(border_buffer, border->size());
+    for (auto it = border->begin(); it != border->end(); ++it) {
+      wson_push_type_char_array(border_buffer, it->first.c_str(),
+                                it->first.size());
+      wson_push_type_char_array(border_buffer, it->second.c_str(),
+                                it->second.size());
+    }
+    serializer->add(static_cast<char *>(border_buffer->data),
+                    border_buffer->position);
+    wson_buffer_free(border_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::UpdateAttr(
+    const char *page_id, const char *ref,
+    std::vector<std::pair<std::string, std::string>> *attrs) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::UPDATE_ATTR));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(ref, strlen(ref));
+
+  if (attrs != nullptr) {
+    wson_buffer *attrs_buffer = wson_buffer_new();
+    wson_push_type_map(attrs_buffer, attrs->size());
+    for (auto it = attrs->begin(); it != attrs->end(); ++it) {
+      wson_push_type_char_array(attrs_buffer, it->first.c_str(),
+                                it->first.size());
+      wson_push_type_char_array(attrs_buffer, it->second.c_str(),
+                                it->second.size());
+    }
+    serializer->add(static_cast<char *>(attrs_buffer->data),
+                    attrs_buffer->position);
+    wson_buffer_free(attrs_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::CreateFinish(const char *page_id) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::CREATE_FINISH));
+  serializer->add(page_id, strlen(page_id));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::RenderSuccess(const char *page_id) {
+  WeexIPCClient *pClient = client_;
+
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::RENDER_SUCCESS));
+  serializer->add(page_id, strlen(page_id));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::RemoveElement(const char *page_id,
+                                              const char *ref) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::REMOVE_ELEMENT));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(ref, strlen(ref));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::MoveElement(const char *page_id,
+                                            const char *ref,
+                                            const char *parent_ref, int index) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::MOVE_ELEMENT));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(ref, strlen(ref));
+  serializer->add(parent_ref, strlen(parent_ref));
+  serializer->add(index);
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::AppendTreeCreateFinish(const char *page_id,
+                                                       const char *ref) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(static_cast<uint32_t>(
+      IPCMsgFromCoreToPlatform::APPEND_TREE_CREATE_FINISH));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(ref, strlen(ref));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+  return result->get<int>();
+}
+
+int PlatformSideInMultiProcess::HasTransitionPros(
+    const char *page_id, const char *ref,
+    std::vector<std::pair<std::string, std::string>> *style) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::HAS_TRANSITION_PROS));
+  serializer->add(page_id, strlen(page_id));
+  serializer->add(ref, strlen(ref));
+
+  if (style != nullptr) {
+    wson_buffer *style_buffer = wson_buffer_new();
+    wson_push_type_map(style_buffer, style->size());
+    auto it = style->begin();
+    for (; it != style->end(); ++it) {
+      wson_push_type_char_array(style_buffer, it->first.c_str(),
+                                it->first.size());
+      wson_push_type_char_array(style_buffer, it->second.c_str(),
+                                it->second.size());
+    }
+    serializer->add(static_cast<char *>(style_buffer->data),
+                    style_buffer->position);
+    wson_buffer_free(style_buffer);
+  } else {
+    serializer->addVoid();
+  }
+
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+
+  return result->get<int>();
+}
+
+void PlatformSideInMultiProcess::PostMessage(const char *vm_id,
+                                             const char *data) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::POST_MESSAGE));
+  serializer->add(vm_id, strlen(vm_id));
+  serializer->add(data, strlen(data));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+}
+
+void PlatformSideInMultiProcess::DispatchMessage(const char *client_id,
+                                                 const char *vm_id,
+                                                 const char *data,
+                                                 const char *callback) {
+  WeexIPCClient *pClient = client_;
+  
+  IPCSender *sender = pClient->getSender();
+  std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+  serializer->setMsg(
+      static_cast<uint32_t>(IPCMsgFromCoreToPlatform::DISPATCH_MESSAGE));
+  serializer->add(client_id, strlen(client_id));
+  serializer->add(vm_id, strlen(vm_id));
+  serializer->add(data, strlen(data));
+  serializer->add(callback, strlen(callback));
+  std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+  std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+}
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/platform/platform_side_multi_process.h b/weex_core/Source/android/jsengine/bridge/platform/platform_side_multi_process.h
new file mode 100644
index 0000000000..51b6d868df
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/platform/platform_side_multi_process.h
@@ -0,0 +1,127 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#ifndef WEEXV8_MULTI_PROCESS_PLATFORM_SIDE_H
+#define WEEXV8_MULTI_PROCESS_PLATFORM_SIDE_H
+
+#include "android/jsengine/weex_ipc_client.h"
+#include "core/bridge/platform_bridge.h"
+
+using namespace WeexCore;
+class WeexJSServer;
+
+namespace weex {
+
+class PlatformSideInMultiProcess : public WeexCore::PlatformBridge::PlatformSide {
+ public:
+  PlatformSideInMultiProcess() {}
+  virtual ~PlatformSideInMultiProcess() {}
+  inline void set_server(WeexJSServer* server) { server_ = server; }
+  inline void set_client(WeexIPCClient* client) {client_ = client; }
+  WXCoreSize InvokeMeasureFunction(const char* page_id, long render_ptr,
+                                   float width, int width_measure_mode,
+                                   float height,
+                                   int height_measure_mode) override;
+  void InvokeLayoutBefore(const char* page_id, long render_ptr) override;
+  void InvokeLayoutAfter(const char* page_id, long render_ptr, float width,
+                         float height) override;
+  void SetJSVersion(const char* version) override;
+  void ReportException(const char* page_id, const char* func,
+                       const char* exception_string) override;
+    void ReportServerCrash(const char* instance_id) override;
+    void ReportNativeInitStatus(const char* status_code,
+                                const char* error_msg) override;
+  int CallNative(const char* page_id, const char* task,
+                 const char* callback) override;
+  std::unique_ptr<ValueWithType> CallNativeModule(
+      const char* page_ld, const char* module, const char* method,
+      const char* arguments, int arguments_length, const char* options,
+      int options_length) override;
+  void CallNativeComponent(const char* page_id, const char* ref,
+                           const char* method, const char* arguments,
+                           int arguments_length, const char* options,
+                           int options_length) override;
+  void SetTimeout(const char* callback_id, const char* time) override;
+  void NativeLog(const char* str_array) override;
+  int UpdateFinish(const char* page_id, const char* task, int taskLen,
+                   const char* callback, int callbackLen) override;
+  int RefreshFinish(const char* page_id, const char* task,
+                    const char* callback) override;
+  int AddEvent(const char* page_id, const char* ref,
+               const char* event) override;
+  int RemoveEvent(const char* page_id, const char* ref,
+                  const char* event) override;
+  int CreateBody(const char* pageId, const char* componentType, const char* ref,
+                 std::map<std::string, std::string>* styles,
+                 std::map<std::string, std::string>* attributes,
+                 std::set<std::string>* events, const WXCoreMargin& margins,
+                 const WXCorePadding& paddings,
+                 const WXCoreBorderWidth& borders) override;
+
+  int AddElement(const char* pageId, const char* componentType, const char* ref,
+                 int& index, const char* parentRef,
+                 std::map<std::string, std::string>* styles,
+                 std::map<std::string, std::string>* attributes,
+                 std::set<std::string>* events, const WXCoreMargin& margins,
+                 const WXCorePadding& paddings,
+                 const WXCoreBorderWidth& borders, bool willLayout) override;
+  int Layout(const char* page_id, const char* ref, float top, float bottom,
+             float left, float right, float height,
+             float width, bool isRTL, int index) override;
+
+  int UpdateStyle(
+      const char* pageId, const char* ref,
+      std::vector<std::pair<std::string, std::string>>* style,
+      std::vector<std::pair<std::string, std::string>>* margin,
+      std::vector<std::pair<std::string, std::string>>* padding,
+      std::vector<std::pair<std::string, std::string>>* border) override;
+  int UpdateAttr(
+      const char* pageId, const char* ref,
+      std::vector<std::pair<std::string, std::string>>* attrs) override;
+
+  int CreateFinish(const char* pageId) override;
+
+  int RenderSuccess(const char* pageId) override;
+
+  int RemoveElement(const char* pageId, const char* ref) override;
+
+  int MoveElement(const char* pageId, const char* ref, const char* parentRef,
+                  int index) override;
+
+  int AppendTreeCreateFinish(const char* pageId, const char* ref) override;
+
+  int HasTransitionPros(
+      const char* pageId, const char* ref,
+      std::vector<std::pair<std::string, std::string>>* style) override;
+  void PostMessage(const char* vm_id, const char* data, int dataLength) override;
+  void DispatchMessage(const char* client_id,
+                       const char* data, int dataLength, const char* callback, const char* vm_id) override;
+
+ private:
+  WeexJSServer* server_;
+  WeexIPCClient* client_;
+  DISALLOW_COPY_AND_ASSIGN(PlatformSideInMultiProcess);
+};
+
+}  // namespace weex
+
+#endif  // WEEXV8_MULTI_PROCESS_PLATFORM_SIDE_H
diff --git a/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_process.cpp b/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_process.cpp
new file mode 100644
index 0000000000..040701df2c
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_process.cpp
@@ -0,0 +1,602 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#include "core_side_in_multi_process.h"
+#include <unistd.h>
+#include <string>
+#include "android/jsengine/weex_ipc_server.h"
+#include "android/jsengine/weex_jsc_utils.h"
+#include "android/jsengine/object/weex_env.h"
+#include "base/utils/log_utils.h"
+#include "third_party/IPC/Buffering/IPCBuffer.h"
+#include "third_party/IPC/IPCException.h"
+#include "third_party/IPC/IPCResult.h"
+#include "third_party/IPC/IPCSender.h"
+#include "third_party/IPC/IPCType.h"
+#include "third_party/IPC/Serializing/IPCSerializer.h"
+#include "third_party/IPC/IPCMessageJS.h"
+
+namespace weex {
+    namespace bridge {
+        namespace js {
+            CoreSideInMultiProcess::CoreSideInMultiProcess(WeexIPCClient *client)
+                    : client_(client) {}
+
+            CoreSideInMultiProcess::CoreSideInMultiProcess() : client_(NULL) {}
+
+            CoreSideInMultiProcess::~CoreSideInMultiProcess() {}
+
+            void CoreSideInMultiProcess::CallNative(const char *page_id, const char *task,
+                                                    const char *callback) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLNATIVE));
+                // instacneID args[0]
+                serializer->add(page_id, strlen(page_id));
+                // task args[1]
+                serializer->add(task, strlen(task));
+                // callback args[2]
+                serializer->add(callback, strlen(callback));
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+            }
+
+            std::unique_ptr<ValueWithType> CoreSideInMultiProcess::CallNativeModule(
+                    const char *page_id, const char *module, const char *method,
+                    const char *arguments, int arguments_length, const char *options,
+                    int options_length) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLNATIVEMODULE));
+
+                // instacneID args[0]
+                serializer->add(page_id, strlen(page_id));
+                // module args[1]
+                serializer->add(module, strlen(module));
+                // method args[2]
+                serializer->add(method, strlen(method));
+                // arguments args[3]
+                serializer->add(arguments, arguments_length);
+                // options args[4]
+                serializer->add(options, options_length);
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+
+                auto ipc_result = sender->send(buffer.get());
+
+                std::unique_ptr<ValueWithType> ret(new ValueWithType);
+
+                switch (ipc_result->getType()) {
+                    case IPCType::DOUBLE:
+                        ret->type = ParamsType::DOUBLE;
+                        ret->value.doubleValue = ipc_result->get<double>();
+                        break;
+                    case IPCType::STRING:
+                        ret->type = ParamsType::STRING;
+                        ret->value.string = genWeexStringSS(ipc_result->getStringContent(), ipc_result->getStringLength());
+                        break;
+                    case IPCType::JSONSTRING:
+                        ret->type = ParamsType::JSONSTRING;
+                        ret->value.string = genWeexStringSS(ipc_result->getStringContent(), ipc_result->getStringLength());
+                        break;
+                    case IPCType::BYTEARRAY: {
+                        ret->type = ParamsType::BYTEARRAY;
+                        ret->value.byteArray = genWeexByteArraySS(ipc_result->getByteArrayContent(), ipc_result->getByteArrayLength());
+                    }
+                        break;
+                    default:
+                        ret->type = ParamsType::JSUNDEFINED;
+                }
+                return ret;
+            }
+
+            void CoreSideInMultiProcess::CallNativeComponent(
+                    const char *page_id, const char *ref, const char *method,
+                    const char *arguments, int arguments_length, const char *options,
+                    int options_length) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLNATIVECOMPONENT));
+
+                // instacneID args[0]
+                serializer->add(page_id, strlen(page_id));
+                // module args[1]
+                serializer->add(ref, strlen(ref));
+                // method args[2]
+                serializer->add(method, strlen(method));
+                // arguments args[3]
+                serializer->add(arguments, arguments_length);
+                // options args[4]
+                serializer->add(options, options_length);
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallNativeComponent: unexpected result: %d",
+                         result->getType());
+                }
+            }
+
+            void CoreSideInMultiProcess::AddElement(const char *page_id,
+                                                    const char *parent_ref,
+                                                    const char *dom_str, int dom_str_length,
+                                                    const char *index_str) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLADDELEMENT) |
+                                   MSG_FLAG_ASYNC);
+
+                // instacneID args[0]
+                serializer->add(page_id, strlen(page_id));
+                // instacneID args[1]
+                serializer->add(parent_ref, strlen(parent_ref));
+                // dom node args[2]
+                serializer->add(dom_str, dom_str_length);
+                // index  args[3]
+                serializer->add(index_str, strlen(index_str));
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+            }
+
+            void CoreSideInMultiProcess::SetTimeout(const char *callback_id,
+                                                    const char *time) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::SETTIMEOUT));
+                // callbackId
+                serializer->add(callback_id, strlen(callback_id));
+                // time
+                serializer->add(time, strlen(time));
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallNativeComponent: unexpected result: %d",
+                         result->getType());
+                }
+            }
+
+            void CoreSideInMultiProcess::NativeLog(const char *str_array) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::NATIVELOG) |
+                                   MSG_FLAG_ASYNC);
+                serializer->add(str_array, strlen(str_array));
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                sender->send(buffer.get());
+            }
+
+            void CoreSideInMultiProcess::CreateBody(const char *page_id,
+                                                    const char *dom_str,
+                                                    int dom_str_length) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLCREATEBODY));
+
+                // page id
+                serializer->add(page_id, strlen(page_id));
+                // dom node args[2]
+                serializer->add(dom_str, dom_str_length);
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallNative: unexpected result: %d", result->getType());
+                }
+            }
+
+            int CoreSideInMultiProcess::UpdateFinish(const char *page_id, const char *task,
+                                                     int task_length, const char *callback,
+                                                     int callback_length) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLUPDATEFINISH));
+                serializer->add(page_id, strlen(page_id));
+                serializer->add(task, task_length);
+                serializer->add(callback, callback_length);
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallUpdateFinish: unexpected result: %d", result->getType());
+                    return 0;
+                }
+                return result->get<int32_t>();
+            }
+
+            void CoreSideInMultiProcess::CreateFinish(const char *page_id) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLCREATEFINISH));
+
+                serializer->add(page_id, strlen(page_id));
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallCreateFinish: unexpected result: %d", result->getType());
+                }
+            }
+
+            int CoreSideInMultiProcess::RefreshFinish(const char *page_id, const char *task,
+                                                      const char *callback) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLREFRESHFINISH));
+                // instacneID args[0]
+                serializer->add(page_id, strlen(page_id));
+                // task args[1]
+                serializer->add(task, strlen(task));
+                // callback args[2]
+                serializer->add(callback, strlen(callback));
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallRefreshFinish: unexpected result: %d", result->getType());
+                    return 0;
+                }
+                return result->get<int32_t>();
+            }
+
+            void CoreSideInMultiProcess::UpdateAttrs(const char *page_id, const char *ref,
+                                                     const char *data, int data_length) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLUPDATEATTRS));
+                // instacneID args[0]
+                serializer->add(page_id, strlen(page_id));
+                // ref args[1]
+                serializer->add(ref, strlen(ref));
+                // dom node args[2] TODO
+                serializer->add(data, data_length);
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallUpdateAttrs: unexpected result: %d", result->getType());
+                }
+            }
+
+            void CoreSideInMultiProcess::UpdateStyle(const char *page_id, const char *ref,
+                                                     const char *data, int data_length) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLUPDATESTYLE));
+                // instacneID args[0]
+                serializer->add(page_id, strlen(page_id));
+                // ref args[1]
+                serializer->add(ref, strlen(ref));
+                // dom node styles args[2]
+                serializer->add(data, data_length);
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallUpdateStyle: unexpected result: %d", result->getType());
+                }
+            }
+
+            void CoreSideInMultiProcess::RemoveElement(const char *page_id,
+                                                       const char *ref) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLREMOVEELEMENT));
+                serializer->add(page_id, strlen(page_id));
+                serializer->add(ref, strlen(ref));
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallRemoveElement: unexpected result: %d", result->getType());
+                }
+            }
+
+            void CoreSideInMultiProcess::MoveElement(const char *page_id, const char *ref,
+                                                     const char *parent_ref, int index) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLMOVEELEMENT));
+                serializer->add(page_id, strlen(page_id));
+                serializer->add(ref, strlen(ref));
+                serializer->add(parent_ref, strlen(parent_ref));
+                // Client need string
+                auto temp = std::to_string(index);
+                serializer->add(temp.c_str(), temp.size());
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallMoveElement: unexpected result: %d", result->getType());
+                }
+            }
+
+            void CoreSideInMultiProcess::AddEvent(const char *page_id, const char *ref,
+                                                  const char *event) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLADDEVENT));
+                serializer->add(page_id, strlen(page_id));
+                serializer->add(ref, strlen(ref));
+                serializer->add(event, strlen(event));
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallAddEvent: unexpected result: %d", result->getType());
+                }
+            }
+
+            void CoreSideInMultiProcess::RemoveEvent(const char *page_id, const char *ref,
+                                                     const char *event) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLREMOVEEVENT));
+                serializer->add(page_id, strlen(page_id));
+                serializer->add(ref, strlen(ref));
+                serializer->add(event, strlen(event));
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::INT32) {
+                    LOGE("functionCallRemoveEvent: unexpected result: %d", result->getType());
+                }
+            }
+
+            const char *CoreSideInMultiProcess::CallGCanvasLinkNative(
+                    const char *context_id, int type, const char *arg) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLGCANVASLINK));
+
+                // contextId args[0]
+                serializer->add(context_id, strlen(context_id));
+                // type args[1]
+                serializer->add(type);
+                // arg args[2]
+                serializer->add(arg, strlen(arg));
+
+                try {
+                    std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                    std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                    // LOGE("weexjsc functionGCanvasLinkNative");
+                    // if (result->getType() == IPCType::VOID) {
+                    //     return JSValue::encode(ret);
+                    // } else if (result->getStringLength() > 0) {
+                    //     WTF::String retWString = jString2String(result->getStringContent(),
+                    //     result->getStringLength()); LOGE("weexjsc functionGCanvasLinkNative
+                    //     result length > 1 retWString:%s", retWString.utf8().data()); ret =
+                    //     String2JSValue(state, retWString);
+
+                    // }
+                    if (result->getType() != IPCType::VOID) {
+                        if (result->getStringLength() > 0) {
+                            return jString2String(result->getStringContent(),
+                                                  result->getStringLength())
+                                    .utf8()
+                                    .data();
+                        }
+                    }
+                } catch (IPCException &e) {
+                    LOGE("functionGCanvasLinkNative exception: %s", e.msg());
+                    _exit(1);
+                }
+                return NULL;
+            }
+
+            int CoreSideInMultiProcess::SetInterval(const char *page_id,
+                                                    const char *callback_id,
+                                                    const char *time) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::SETINTERVAL));
+                // instacneID args[0]
+                serializer->add(page_id, strlen(page_id));
+                // task args[1]
+                serializer->add(callback_id, strlen(callback_id));
+                // callback args[2]
+                serializer->add(time, strlen(time));
+                try {
+                    std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                    std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                    if (result->getType() != IPCType::INT32) {
+                        LOGE("functionSetIntervalWeex: unexpected result: %d", result->getType());
+                        return 0;
+                    }
+                    return result->get<int32_t>();
+                } catch (IPCException &e) {
+                    LOGE("functionSetIntervalWeex exception %s", e.msg());
+                }
+                return 0;
+            }
+
+            void CoreSideInMultiProcess::ClearInterval(const char *page_id,
+                                                       const char *callback_id) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CLEARINTERVAL));
+                // instacneID args[0]
+                serializer->add(page_id, strlen(page_id));
+                // task args[1]
+                serializer->add(callback_id, strlen(callback_id));
+                try {
+                    std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                    std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                } catch (IPCException &e) {
+                    LOGE("functionClearIntervalWeex exception %s", e.msg());
+                }
+            }
+
+            const char *CoreSideInMultiProcess::CallT3DLinkNative(int type,
+                                                                  const char *arg) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::CALLT3DLINK));
+                // type args[1]
+                serializer->add(type);
+                // arg args[2]
+                serializer->add(arg, strlen(arg));
+                try {
+                    std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                    std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                    // LOGE("weexjsc functionT3DLinkNative");
+                    // if (result->getType() == IPCType::VOID) {
+                    //     return JSValue::encode(ret);
+                    // } else if (result->getStringLength() > 0) {
+                    //     WTF::String retWString = jString2String(result->getStringContent(),
+                    //     result->getStringLength()); LOGE("weexjsc functionT3DLinkNative
+                    //     result length > 1 retWString:%s", retWString.utf8().data()); ret =
+                    //     String2JSValue(state, retWString);
+
+                    // }
+                    if (result->getType() != IPCType::VOID) {
+                        if (result->getStringLength() > 0) {
+                            return jString2String(result->getStringContent(),
+                                                  result->getStringLength())
+                                    .utf8()
+                                    .data();
+                        }
+                    }
+                } catch (IPCException &e) {
+                    LOGE("functionT3DLinkNative exception: %s", e.msg());
+                    _exit(1);
+                }
+                return NULL;
+            }
+
+            void CoreSideInMultiProcess::PostMessage(const char *vim_id, const char *data, int dataLength) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::POSTMESSAGE));
+                serializer->add(data, dataLength);
+                serializer->add(vim_id, strlen(vim_id));
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+            }
+
+            void CoreSideInMultiProcess::DispatchMessage(const char *client_id,
+                                                         const char *data,
+                                                         int dataLength,
+                                                         const char *callback,
+                                                         const char *vm_id) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::DISPATCHMESSAGE));
+                // clientid
+                serializer->add(client_id, strlen(client_id));
+                // data
+                serializer->add(data, dataLength);
+                // callback
+                serializer->add(callback, strlen(callback));
+                serializer->add(vm_id, strlen(vm_id));
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+            }
+
+            std::unique_ptr<WeexJSResult>
+            CoreSideInMultiProcess::DispatchMessageSync(const char *client_id,
+                                                        const char *data,
+                                                        int dataLength,
+                                                        const char *vm_id) {
+              IPCSender *sender = client_->getSender();
+              std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+              serializer->setMsg(
+                  static_cast<uint32_t>(IPCProxyMsg::DISPATCHMESSAGESYNC));
+              // clientid
+              serializer->add(client_id, strlen(client_id));
+              // data
+              serializer->add(data, dataLength);
+              serializer->add(vm_id, strlen(vm_id));
+
+              std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+              std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+
+              char *copy = nullptr;
+              int length = 0;
+              if (result->getType() == IPCType::BYTEARRAY) {
+                length = result->getByteArrayLength();
+                copy = new char[length];
+                strcpy(copy, result->getByteArrayContent());
+              }
+              return std::unique_ptr<WeexJSResult>(
+                  new WeexJSResult(std::unique_ptr<char[]>(copy), length));
+            }
+
+            void CoreSideInMultiProcess::ReportException(const char *page_id,
+                                                         const char *func,
+                                                         const char *exception_string) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::REPORTEXCEPTION));
+                serializer->add(page_id, strlen(page_id));
+                serializer->add(func, strlen(func));
+                serializer->add(exception_string, strlen(exception_string));
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::VOID) {
+                    LOGE("REPORTEXCEPTION: unexpected result: %d", result->getType());
+                }
+            }
+
+            void CoreSideInMultiProcess::SetJSVersion(const char *js_version) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::SETJSFVERSION));
+                serializer->add(js_version, strlen(js_version));
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                std::unique_ptr<IPCResult> result = sender->send(buffer.get());
+                if (result->getType() != IPCType::VOID) {
+                    LOGE("setJSFVersion: unexpected result: %d", result->getType());
+                }
+            }
+
+            void CoreSideInMultiProcess::OnReceivedResult(long callback_id, std::unique_ptr<WeexJSResult>& result) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());;
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::ONRECEIVEDRESULT));
+                serializer->add(static_cast<int64_t>(callback_id));
+                if (result != nullptr) {
+                    serializer->add(result->data.get(), result->length);
+                } else {
+                    serializer->addVoid();
+                }
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                sender->send(buffer.get());
+            }
+
+            void CoreSideInMultiProcess::UpdateComponentData(const char* page_id, const char* cid, const char* json_data) {
+                IPCSender *sender = client_->getSender();
+                std::unique_ptr<IPCSerializer> serializer(createIPCSerializer());
+                serializer->setMsg(static_cast<uint32_t>(IPCProxyMsg::UPDATECOMPONENTDATA));
+                serializer->add(page_id, strlen(page_id));
+                serializer->add(cid, strlen(cid));
+                serializer->add(json_data, strlen(json_data));
+
+                std::unique_ptr<IPCBuffer> buffer = serializer->finish();
+                sender->send(buffer.get());
+            }
+        }  // namespace js
+    }  // namespace bridge
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_process.h b/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_process.h
new file mode 100644
index 0000000000..6cab646073
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_process.h
@@ -0,0 +1,127 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#ifndef WEEXV8_MULTI_PROCESS_CORE_SIDE_H
+#define WEEXV8_MULTI_PROCESS_CORE_SIDE_H
+
+ #include <memory>
+#include "android/jsengine/weex_ipc_client.h"
+#include "core/bridge/script_bridge.h"
+
+class WeexJSServer;
+namespace weex {
+    namespace bridge {
+        namespace js {
+            class CoreSideInMultiProcess : public WeexCore::ScriptBridge::CoreSide {
+            public:
+                explicit CoreSideInMultiProcess(WeexIPCClient *client);
+                explicit CoreSideInMultiProcess();
+
+                ~CoreSideInMultiProcess() override;
+
+                inline void set_ipc_client(WeexIPCClient *client) { client_ = client; };
+
+                void CallNative(const char *page_id, const char *task,
+                                const char *callback) override;
+
+                std::unique_ptr<ValueWithType> CallNativeModule(
+                        const char *page_id, const char *module, const char *method,
+                        const char *arguments, int arguments_length, const char *options,
+                        int options_length) override;
+
+                void CallNativeComponent(const char *page_id, const char *ref,
+                                         const char *method, const char *arguments,
+                                         int arguments_length, const char *options,
+                                         int options_length) override;
+
+                void AddElement(const char *page_id, const char *parent_ref,
+                                const char *dom_str, int dom_str_length,
+                                const char *index_str) override;
+
+                void SetTimeout(const char *callback_id, const char *time) override;
+
+                void NativeLog(const char *str_array) override;
+
+                void CreateBody(const char *page_id, const char *dom_str,
+                                int dom_str_length) override;
+
+                int UpdateFinish(const char *page_id, const char *task, int task_length,
+                                 const char *callback, int callback_length) override;
+
+                void CreateFinish(const char *page_id) override;
+
+                int RefreshFinish(const char *page_id, const char *task,
+                                  const char *callback) override;
+
+                void UpdateAttrs(const char *page_id, const char *ref, const char *data,
+                                 int data_length) override;
+
+                void UpdateStyle(const char *page_id, const char *ref, const char *data,
+                                 int data_length) override;
+
+                void RemoveElement(const char *page_id, const char *ref) override;
+
+                void MoveElement(const char *page_id, const char *ref, const char *parent_ref,
+                                 int index) override;
+
+                void AddEvent(const char *page_id, const char *ref,
+                              const char *event) override;
+
+                void RemoveEvent(const char *page_id, const char *ref,
+                                 const char *event) override;
+
+                const char *CallGCanvasLinkNative(const char *context_id, int type,
+                                                  const char *arg) override;
+
+                int SetInterval(const char *page_id, const char *callback_id,
+                                const char *time) override;
+
+                void ClearInterval(const char *page_id, const char *callback_id) override;
+
+                const char *CallT3DLinkNative(int type, const char *arg) override;
+
+                void PostMessage(const char *vim_id, const char *data, int dataLength) override;
+
+                void DispatchMessage(const char *client_id, const char *data, int dataLength,
+                                     const char *callback, const char *vm_id) override;
+
+                std::unique_ptr<WeexJSResult> DispatchMessageSync(
+                    const char *client_id, const char *data, int dataLength,
+                    const char *vm_id) override;
+
+                void ReportException(const char *page_id, const char *func,
+                                     const char *exception_string) override;
+
+                void SetJSVersion(const char *js_version) override;
+
+                void OnReceivedResult(long callback_id, std::unique_ptr<WeexJSResult>& result);
+                void UpdateComponentData(const char* page_id, const char* cid, const char* json_data);
+
+            private:
+                WeexIPCClient *client_;
+                DISALLOW_COPY_AND_ASSIGN(CoreSideInMultiProcess);
+            };
+        }  // namespace js
+    }  // namespace bridge
+}  // namespace weex
+
+#endif  // WEEXV8_MULTI_PROCESS_CORE_SIDE_H
diff --git a/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_so.cpp b/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_so.cpp
new file mode 100644
index 0000000000..b18270a6b0
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_so.cpp
@@ -0,0 +1,185 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#include "core_side_in_multi_so.h"
+
+#include "android/jsengine/object/args.h"
+#include "base/android/log_utils.h"
+#include "include/WeexApiHeader.h"
+
+namespace weex {
+namespace bridge {
+namespace js {
+
+void CoreSideInMultiSo::CallNative(const char *page_id, const char *task,
+                                   const char *callback) {
+  functions_exposed_by_core_->funcCallNative(page_id, task, callback);
+}
+
+std::unique_ptr<ValueWithType> CoreSideInMultiSo::CallNativeModule(
+    const char *page_id, const char *module, const char *method,
+    const char *arguments, int arguments_length, const char *options,
+    int options_length) {
+  return functions_exposed_by_core_->funcCallNativeModule(
+      page_id, module, method, arguments, arguments_length, options,
+      options_length);
+}
+
+void CoreSideInMultiSo::CallNativeComponent(const char *page_id,
+                                            const char *ref, const char *method,
+                                            const char *arguments,
+                                            int arguments_length,
+                                            const char *options,
+                                            int options_length) {
+  functions_exposed_by_core_->funcCallNativeComponent(
+      page_id, ref, method, arguments, arguments_length, options,
+      options_length);
+}
+
+void CoreSideInMultiSo::AddElement(const char *page_id, const char *parent_ref,
+                                   const char *dom_str, int dom_str_length,
+                                   const char *index_str) {
+  functions_exposed_by_core_->funcCallAddElement(page_id, parent_ref, dom_str, dom_str_length,
+                                                 index_str);
+}
+
+void CoreSideInMultiSo::SetTimeout(const char *callback_id, const char *time) {
+  functions_exposed_by_core_->funcSetTimeout(callback_id, time);
+}
+
+void CoreSideInMultiSo::NativeLog(const char *str_array) {
+  functions_exposed_by_core_->funcCallNativeLog(str_array);
+}
+
+void CoreSideInMultiSo::CreateBody(const char *page_id, const char *dom_str,
+                                   int dom_str_length) {
+  functions_exposed_by_core_->funcCallCreateBody(page_id, dom_str, dom_str_length);
+}
+
+int CoreSideInMultiSo::UpdateFinish(const char *page_id, const char *task,
+                                    int task_length, const char *callback,
+                                    int callback_length) {
+  return functions_exposed_by_core_->funcCallUpdateFinish(page_id, task, task_length,
+                                                          callback, callback_length);
+}
+
+void CoreSideInMultiSo::CreateFinish(const char *page_id) {
+  functions_exposed_by_core_->funcCallCreateFinish(page_id);
+}
+
+int CoreSideInMultiSo::RefreshFinish(const char *page_id, const char *task,
+                                     const char *callback) {
+  return functions_exposed_by_core_->funcCallRefreshFinish(page_id, task,
+                                                           callback);
+}
+
+void CoreSideInMultiSo::UpdateAttrs(const char *page_id, const char *ref,
+                                    const char *data, int data_length) {
+  functions_exposed_by_core_->funcCallUpdateAttrs(page_id, ref, data, data_length);
+}
+
+void CoreSideInMultiSo::UpdateStyle(const char *page_id, const char *ref,
+                                    const char *data, int data_length) {
+  functions_exposed_by_core_->funcCallUpdateStyle(page_id, ref, data, data_length);
+}
+
+void CoreSideInMultiSo::RemoveElement(const char *page_id, const char *ref) {
+  functions_exposed_by_core_->funcCallRemoveElement(page_id, ref);
+}
+
+void CoreSideInMultiSo::MoveElement(const char *page_id, const char *ref,
+                                    const char *parent_ref, int index) {
+  functions_exposed_by_core_->funcCallMoveElement(page_id, ref, parent_ref,
+                                                  index);
+}
+
+void CoreSideInMultiSo::AddEvent(const char *page_id, const char *ref,
+                                 const char *event) {
+  functions_exposed_by_core_->funcCallAddEvent(page_id, ref, event);
+}
+
+void CoreSideInMultiSo::RemoveEvent(const char *page_id, const char *ref,
+                                    const char *event) {
+  functions_exposed_by_core_->funcCallRemoveEvent(page_id, ref, event);
+}
+
+const char *CoreSideInMultiSo::CallGCanvasLinkNative(const char *context_id,
+                                                     int type,
+                                                     const char *arg) {
+  return functions_exposed_by_core_->funcCallGCanvasLinkNative(context_id, type,
+                                                               arg);
+}
+
+int CoreSideInMultiSo::SetInterval(const char *page_id, const char *callback_id,
+                                   const char *time) {
+  return functions_exposed_by_core_->funcSetInterval(page_id, callback_id,
+                                                     time);
+}
+
+void CoreSideInMultiSo::ClearInterval(const char *page_id,
+                                      const char *callback_id) {
+//  LOGE("CoreSideInMultiSo::ClearInterval");
+  functions_exposed_by_core_->funcClearInterval(page_id, callback_id);
+}
+
+const char *CoreSideInMultiSo::CallT3DLinkNative(int type, const char *arg) {
+  return functions_exposed_by_core_->funcT3dLinkNative(type, arg);
+}
+
+void CoreSideInMultiSo::PostMessage(const char *vim_id, const char *data, int dataLength) {
+  functions_exposed_by_core_->funcCallHandlePostMessage(vim_id, data, dataLength);
+}
+
+void CoreSideInMultiSo::DispatchMessage(const char *client_id, const char *data, int dataLength,
+                                        const char *callback,
+                                        const char *vm_id) {
+  functions_exposed_by_core_->funcCallDIspatchMessage(client_id, data,dataLength, callback,
+                                                      vm_id);
+}
+
+std::unique_ptr<WeexJSResult> CoreSideInMultiSo::DispatchMessageSync(
+    const char *client_id, const char *data, int dataLength,
+    const char *vm_id) {
+  return functions_exposed_by_core_->funcCallDispatchMessageSync(client_id, data,
+                                                          dataLength, vm_id);
+}
+
+void CoreSideInMultiSo::ReportException(const char *page_id, const char *func,
+                                        const char *exception_string) {
+  functions_exposed_by_core_->funcReportException(page_id, func,
+                                                  exception_string);
+}
+
+void CoreSideInMultiSo::SetJSVersion(const char *js_version) {
+  functions_exposed_by_core_->funcSetJSVersion(js_version);
+}
+
+void CoreSideInMultiSo::OnReceivedResult(long callback_id, std::unique_ptr<WeexJSResult>& result) {
+  functions_exposed_by_core_->funcOnReceivedResult(callback_id, result);
+}
+
+void CoreSideInMultiSo::UpdateComponentData(const char* page_id, const char* cid, const char* json_data) {
+  functions_exposed_by_core_->funcUpdateComponentData(page_id, cid, json_data);
+}
+}  // namespace js
+}  // namespace bridge
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_so.h b/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_so.h
new file mode 100644
index 0000000000..625a9755ef
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/core_side_in_multi_so.h
@@ -0,0 +1,102 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#ifndef WEEXV8_MULTI_SO_CORE_SIDE_H
+#define WEEXV8_MULTI_SO_CORE_SIDE_H
+
+#include "core/bridge/script_bridge.h"
+
+namespace weex {
+namespace bridge {
+namespace js {
+class CoreSideInMultiSo : public WeexCore::ScriptBridge::CoreSide {
+ public:
+  explicit CoreSideInMultiSo(){};
+  explicit CoreSideInMultiSo(FunctionsExposedByCore *functions_exposed_by_core)
+      : functions_exposed_by_core_(functions_exposed_by_core){};
+  inline void set_functions_exposed_by_core(
+      FunctionsExposedByCore *functions_exposed_by_core) {
+    functions_exposed_by_core_ = functions_exposed_by_core;
+  }
+  ~CoreSideInMultiSo() override{};
+
+  void CallNative(const char *page_id, const char *task,
+                  const char *callback) override;
+  std::unique_ptr<ValueWithType> CallNativeModule(
+      const char *page_id, const char *module, const char *method,
+      const char *arguments, int arguments_length, const char *options,
+      int options_length) override;
+  void CallNativeComponent(const char *page_id, const char *ref,
+                           const char *method, const char *arguments,
+                           int arguments_length, const char *options,
+                           int options_length) override;
+  void AddElement(const char *page_id, const char *parent_ref,
+                  const char *dom_str, int dom_str_length,
+                  const char *index_str) override;
+  void SetTimeout(const char *callback_id, const char *time) override;
+  void NativeLog(const char *str_array) override;
+  void CreateBody(const char *page_id, const char *dom_str,
+                  int dom_str_length) override;
+  int UpdateFinish(const char *page_id, const char *task, int task_length,
+                   const char *callback, int callback_length) override;
+  void CreateFinish(const char *page_id) override;
+  int RefreshFinish(const char *page_id, const char *task,
+                    const char *callback) override;
+  void UpdateAttrs(const char *page_id, const char *ref, const char *data,
+                   int data_length) override;
+  void UpdateStyle(const char *page_id, const char *ref, const char *data,
+                   int data_length) override;
+  void RemoveElement(const char *page_id, const char *ref) override;
+  void MoveElement(const char *page_id, const char *ref, const char *parent_ref,
+                   int index) override;
+  void AddEvent(const char *page_id, const char *ref,
+                const char *event) override;
+  void RemoveEvent(const char *page_id, const char *ref,
+                   const char *event) override;
+  const char *CallGCanvasLinkNative(const char *context_id, int type,
+                                    const char *arg) override;
+  int SetInterval(const char *page_id, const char *callback_id,
+                  const char *time) override;
+  void ClearInterval(const char *page_id, const char *callback_id) override;
+  const char *CallT3DLinkNative(int type, const char *arg) override;
+  void PostMessage(const char *vim_id, const char *data, int dataLength) override;
+  void DispatchMessage(const char *client_id, const char *data, int dataLength,
+                       const char *callback, const char *vm_id) override;
+  std::unique_ptr<WeexJSResult> DispatchMessageSync(const char *client_id,
+                                                    const char *data,
+                                                    int dataLength,
+                                                    const char *vm_id) override;
+  void ReportException(const char *page_id, const char *func,
+                       const char *exception_string) override;
+  void SetJSVersion(const char *js_version) override;
+  void OnReceivedResult(long callback_id, std::unique_ptr<WeexJSResult>& result);
+  void UpdateComponentData(const char* page_id, const char* cid, const char* json_data);
+
+ private:
+  FunctionsExposedByCore *functions_exposed_by_core_;
+  DISALLOW_COPY_AND_ASSIGN(CoreSideInMultiSo);
+};
+}  // namespace js
+}  // namespace bridge
+}  // namespace weex
+
+#endif  // WEEXV8_MULTI_SO_CORE_SIDE_H
diff --git a/weex_core/Source/android/jsengine/bridge/script/core_side_in_simple.cpp b/weex_core/Source/android/jsengine/bridge/script/core_side_in_simple.cpp
new file mode 100644
index 0000000000..2b2eea4a05
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/core_side_in_simple.cpp
@@ -0,0 +1,228 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#include "core_side_in_simple.h"
+
+#include "android/jsengine/object/args.h"
+#include "base/android/log_utils.h"
+#include "base/android/log_utils.h"
+#include "core/manager/weex_core_manager.h"
+#include "core/render/manager/render_manager.h"
+#include "third_party/IPC/IPCResult.h"
+
+namespace weex {
+namespace bridge {
+namespace js {
+CoreSideInSimple::CoreSideInSimple() {}
+
+CoreSideInSimple::~CoreSideInSimple() {}
+
+void CoreSideInSimple::CallNative(const char *page_id, const char *task,
+                                  const char *callback) {
+  if (page_id == nullptr || task == nullptr) return;
+  if (strcmp(
+          task,
+          "[{\"module\":\"dom\",\"method\":\"createFinish\",\"args\":[]}]") ==
+      0) {
+    RenderManager::GetInstance()->CreateFinish(page_id) ? 0 : -1;
+  } else {
+    WeexCoreManager::Instance()
+        ->getPlatformBridge()
+        ->platform_side()
+        ->CallNative(page_id, task, callback);
+  }
+}
+
+std::unique_ptr<IPCResult> CoreSideInSimple::CallNativeModule(
+    const char *page_id, const char *module, const char *method,
+    const char *arguments, int arguments_length, const char *options,
+    int options_length) {
+  std::unique_ptr<IPCResult> ret = createInt32Result(-1);
+  if (page_id != nullptr && module != nullptr && method != nullptr) {
+    RenderManager::GetInstance()->CallNativeModule(page_id, module, method,
+                                                   arguments, arguments_length,
+                                                   options, options_length);
+
+    return WeexCoreManager::Instance()
+        ->getPlatformBridge()
+        ->platform_side()
+        ->CallNativeModule(page_id, module, method, arguments, arguments_length,
+                           options, options_length);
+  }
+
+  return ret;
+}
+
+void CoreSideInSimple::CallNativeComponent(const char *page_id, const char *ref,
+                                           const char *method,
+                                           const char *arguments,
+                                           int arguments_length,
+                                           const char *options,
+                                           int options_length) {
+  if (page_id != nullptr && ref != nullptr && method != nullptr) {
+    WeexCoreManager::Instance()
+        ->getPlatformBridge()
+        ->platform_side()
+        ->CallNativeComponent(page_id, ref, method, arguments, arguments_length,
+                              options, options_length);
+  }
+}
+
+void CoreSideInSimple::AddElement(const char *page_id, const char *parent_ref,
+                                  const char *dom_str, int dom_str_length,
+                                  const char *index_str) {
+  const char *indexChar = index_str == nullptr ? "\0" : index_str;
+
+  int index = atoi(indexChar);
+  if (page_id == nullptr || parent_ref == nullptr || dom_str == nullptr ||
+      index < -1)
+    return;
+
+  RenderManager::GetInstance()->AddRenderObject(page_id, parent_ref, index,
+                                                dom_str);
+}
+
+void CoreSideInSimple::SetTimeout(const char *callback_id, const char *time) {
+  WeexCoreManager::Instance()
+      ->getPlatformBridge()
+      ->platform_side()
+      ->SetTimeout(callback_id, time);
+}
+
+void CoreSideInSimple::NativeLog(const char *str_array) {
+  WeexCoreManager::Instance()
+      ->getPlatformBridge()
+      ->platform_side()
+      ->NativeLog(str_array);
+}
+
+void CoreSideInSimple::CreateBody(const char *page_id, const char *dom_str,
+                                  int dom_str_length) {
+  RenderManager::GetInstance()->CreatePage(page_id, dom_str) ? 0 : -1;
+}
+
+int CoreSideInSimple::UpdateFinish(const char *page_id, const char *task,
+                                   int task_length, const char *callback,
+                                   int callback_length) {
+  return WeexCoreManager::Instance()
+      ->getPlatformBridge()
+      ->platform_side()
+      ->UpdateFinish(page_id, task,task_length, callback,callback_length);
+}
+
+void CoreSideInSimple::CreateFinish(const char *page_id) {
+  RenderManager::GetInstance()->CreateFinish(page_id);
+}
+
+int CoreSideInSimple::RefreshFinish(const char *page_id, const char *task,
+                                    const char *callback) {
+  if (page_id == nullptr) return -1;
+  return WeexCoreManager::Instance()
+      ->getPlatformBridge()
+      ->platform_side()
+      ->RefreshFinish(page_id, task, callback);
+}
+
+void CoreSideInSimple::UpdateAttrs(const char *page_id, const char *ref,
+                                   const char *data, int data_length) {
+  RenderManager::GetInstance()->UpdateAttr(page_id, ref, data);
+}
+
+void CoreSideInSimple::UpdateStyle(const char *page_id, const char *ref,
+                                   const char *data, int data_length) {
+  RenderManager::GetInstance()->UpdateStyle(page_id, ref, data);
+}
+
+void CoreSideInSimple::RemoveElement(const char *page_id, const char *ref) {
+  RenderManager::GetInstance()->RemoveRenderObject(page_id, ref);
+}
+
+void CoreSideInSimple::MoveElement(const char *page_id, const char *ref,
+                                   const char *parent_ref, int index) {
+  RenderManager::GetInstance()->MoveRenderObject(page_id, ref, parent_ref,
+                                                 index);
+}
+
+void CoreSideInSimple::AddEvent(const char *page_id, const char *ref,
+                                const char *event) {
+  RenderManager::GetInstance()->AddEvent(page_id, ref, event);
+}
+
+void CoreSideInSimple::RemoveEvent(const char *page_id, const char *ref,
+                                   const char *event) {
+  RenderManager::GetInstance()->RemoveEvent(page_id, ref, event);
+}
+
+const char *CoreSideInSimple::CallGCanvasLinkNative(const char *context_id,
+                                                    int type, const char *arg) {
+  // TODO
+  return NULL;
+}
+
+int CoreSideInSimple::SetInterval(const char *page_id, const char *callback_id,
+                                  const char *time) {
+  return (atoi(page_id) << 16) | (atoi(callback_id));
+}
+
+void CoreSideInSimple::ClearInterval(const char *page_id,
+                                     const char *callback_id) {
+  // do nothing
+}
+
+const char *CoreSideInSimple::CallT3DLinkNative(int type, const char *arg) {
+  // TODO
+  return NULL;
+}
+void CoreSideInSimple::PostMessage(const char *vm_id, const char *data) {
+  WeexCoreManager::Instance()
+      ->getPlatformBridge()
+      ->platform_side()
+      ->PostMessage(vm_id, data);
+}
+
+void CoreSideInSimple::DispatchMessage(const char *client_id, const char *data,
+                                       const char *callback,
+                                       const char *vm_id) {
+  WeexCoreManager::Instance()
+      ->getPlatformBridge()
+      ->platform_side()
+      ->DispatchMessage(client_id, vm_id, data, callback);
+}
+
+void CoreSideInSimple::ReportException(const char *page_id, const char *func,
+                                       const char *exception_string) {
+  WeexCoreManager::Instance()
+      ->getPlatformBridge()
+      ->platform_side()
+      ->ReportException(page_id, func, exception_string);
+}
+
+void CoreSideInSimple::SetJSVersion(const char *js_version) {
+  LOGA("init JSFrm version %s", js_version);
+  WeexCoreManager::Instance()
+      ->getPlatformBridge()
+      ->platform_side()
+      ->SetJSVersion(js_version);
+}
+}  // namespace js
+}  // namespace bridge
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/script/core_side_in_simple.h b/weex_core/Source/android/jsengine/bridge/script/core_side_in_simple.h
new file mode 100644
index 0000000000..ad148d0e0d
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/core_side_in_simple.h
@@ -0,0 +1,89 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#ifndef WEEXV8_SIMPLE_CORE_SIDE_H
+#define WEEXV8_SIMPLE_CORE_SIDE_H
+
+#include "core/bridge/script_bridge.h"
+
+namespace weex {
+namespace bridge {
+namespace js {
+class CoreSideInSimple : public WeexCore::ScriptBridge::CoreSide {
+ public:
+  explicit CoreSideInSimple();
+  ~CoreSideInSimple() override;
+
+  void CallNative(const char *page_id, const char *task,
+                  const char *callback) override;
+  std::unique_ptr<ValueWithType> CallNativeModule(
+      const char *page_id, const char *module, const char *method,
+      const char *arguments, int arguments_length, const char *options,
+      int options_length) override;
+  void CallNativeComponent(const char *page_id, const char *ref,
+                           const char *method, const char *arguments,
+                           int arguments_length, const char *options,
+                           int options_length) override;
+  void AddElement(const char *page_id, const char *parent_ref,
+                  const char *dom_str, int dom_str_length,
+                  const char *index_str) override;
+  void SetTimeout(const char *callback_id, const char *time) override;
+  void NativeLog(const char *str_array) override;
+  void CreateBody(const char *page_id, const char *dom_str,
+                  int dom_str_length) override;
+  int UpdateFinish(const char *page_id, const char *task, int task_length,
+                   const char *callback, int callback_length) override;
+  void CreateFinish(const char *page_id) override;
+  int RefreshFinish(const char *page_id, const char *task,
+                    const char *callback) override;
+  void UpdateAttrs(const char *page_id, const char *ref, const char *data,
+                   int data_length) override;
+  void UpdateStyle(const char *page_id, const char *ref, const char *data,
+                   int data_length) override;
+  void RemoveElement(const char *page_id, const char *ref) override;
+  void MoveElement(const char *page_id, const char *ref, const char *parent_ref,
+                   int index) override;
+  void AddEvent(const char *page_id, const char *ref,
+                const char *event) override;
+  void RemoveEvent(const char *page_id, const char *ref,
+                   const char *event) override;
+  const char *CallGCanvasLinkNative(const char *context_id, int type,
+                                    const char *arg) override;
+  int SetInterval(const char *page_id, const char *callback_id,
+                  const char *time) override;
+  void ClearInterval(const char *page_id, const char *callback_id) override;
+  const char *CallT3DLinkNative(int type, const char *arg) override;
+  void PostMessage(const char *vim_id, const char *data, int dataLength) override;
+  void DispatchMessage(const char *client_id, const char *data, int dataLength,
+                       const char *callback, const char *vm_id) override;
+  void ReportException(const char *page_id, const char *func,
+                       const char *exception_string) override;
+  void SetJSVersion(const char *js_version) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CoreSideInSimple);
+};
+}  // namespace js
+}  // namespace bridge
+}  // namespace weex
+
+#endif  // WEEXV8_SIMPLE_CORE_SIDE_H
diff --git a/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_process.cpp b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_process.cpp
new file mode 100644
index 0000000000..4e135f1bb5
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_process.cpp
@@ -0,0 +1,480 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#include "android/jsengine/bridge/script/script_bridge_in_multi_process.h"
+
+#include "android/jsengine/bridge/script/core_side_in_multi_process.h"
+#include "android/jsengine/bridge/script/core_side_in_simple.h"
+#include "android/jsengine/bridge/script/script_side_in_simple.h"
+#include "android/jsengine/bridge/script/script_side_in_queue.h"
+#include "android/jsengine/object/weex_env.h"
+#include "android/jsengine/weex_ipc_server.h"
+#include "android/jsengine/weex_jsc_utils.h"
+#include "android/jsengine/weex_runtime.h"
+#include "third_party/IPC/IPCArguments.h"
+#include "third_party/IPC/IPCException.h"
+#include "third_party/IPC/IPCHandler.h"
+#include "third_party/IPC/IPCMessageJS.h"
+#include "third_party/IPC/IPCResult.h"
+#include "third_party/IPC/IPCString.h"
+
+static WeexJSServer *server = nullptr;
+
+static unsigned long parseUL(const char *s) {
+    unsigned long val;
+    errno = 0;
+    val = strtoul(s, nullptr, 10);
+    if (errno) {
+        LOGE("failed to parse ul: %s %s", s, strerror(errno));
+        _exit(1);
+    }
+    return val;
+}
+
+struct ThreadData {
+    int fd;
+    int fd_client;
+    bool enableTrace;
+    char* crashFileName;
+};
+
+static void *threadEntry(void *_td) {
+    ThreadData *td = static_cast<ThreadData *>(_td);
+    //  server = new weex::IPCServer(static_cast<int>(td->fd),
+    //  static_cast<bool>(td->enableTrace));
+    server = new WeexJSServer(static_cast<int>(td->fd), static_cast<int>(td->fd_client),
+                              static_cast<bool>(td->enableTrace), td->crashFileName);
+    // Register handler for bridge
+    weex::bridge::js::ScriptBridgeInMultiProcess::RegisterIPCCallback(server->getHandler());
+    nice(6);
+    try {
+        server->loop();
+    } catch (IPCException &e) {
+        LOGE("%s", e.msg());
+        _exit(1);
+    }
+    return static_cast<void **>(nullptr);
+}
+
+extern "C" int serverMain(int argc, char **argv) {
+    unsigned long fd;
+    unsigned long fd_client = 0;
+    unsigned long enableTrace;
+    if (argc < 4) {
+        LOGE("argc is not correct");
+        _exit(1);
+    }
+    fd = parseUL(argv[1]);
+    fd_client = parseUL(argv[2]);
+    enableTrace = parseUL(argv[3]);
+    char* fileName = argv[4];
+    pthread_attr_t threadAttr;
+    pthread_attr_init(&threadAttr);
+    pthread_attr_setstacksize(&threadAttr, 10 * 1024 * 1024);
+    pthread_t thread;
+    ThreadData td = {static_cast<int>(fd), static_cast<int>(fd_client), static_cast<bool>(enableTrace),fileName};
+    pthread_create(&thread, &threadAttr, threadEntry, &td);
+    void *rdata;
+    pthread_join(thread, &rdata);
+    return 0;
+}
+
+namespace weex {
+    namespace bridge {
+        namespace js {
+
+            static inline const char* GetUTF8StringFromIPCArg(IPCArguments* arguments, size_t index) {
+                return arguments->getByteArray(index)->length == 0 ? nullptr : arguments->getByteArray(index)->content;
+            }
+
+            ScriptBridgeInMultiProcess *ScriptBridgeInMultiProcess::g_instance = NULL;
+
+            ScriptBridgeInMultiProcess::ScriptBridgeInMultiProcess() {
+                set_script_side(new ScriptSideInQueue());
+                set_core_side(new CoreSideInMultiProcess());
+            }
+
+            ScriptBridgeInMultiProcess::~ScriptBridgeInMultiProcess() {}
+
+            static void FillVectorOfValueWithType(std::vector<VALUE_WITH_TYPE *> &params,
+                                                  IPCArguments *arguments, size_t start,
+                                                  size_t end) {
+                for (size_t i = start; i < end; ++i) {
+                    auto value = new ValueWithType;
+                    switch (arguments->getType(i)) {
+                        case IPCType::DOUBLE: {
+                            value->type = ParamsType::DOUBLE;
+                            value->value.doubleValue = arguments->get<double>(i);
+                        }
+                            break;
+                        case IPCType::STRING: {
+                            const IPCString *ipcstr = arguments->getString(i);
+                            size_t size = ipcstr->length * sizeof(uint16_t);
+                            auto temp = (WeexString *) malloc(size + sizeof(WeexString));
+                            memset(temp, 0, size + sizeof(WeexString));
+                            temp->length = ipcstr->length;
+                            memcpy(temp->content, ipcstr->content, size);
+                            value->type = ParamsType::STRING;
+                            value->value.string = temp;
+                        }
+                            break;
+                        case IPCType::JSONSTRING: {
+                            const IPCString *ipcstr = arguments->getString(i);
+                            size_t size = ipcstr->length * sizeof(uint16_t);
+                            auto temp = (WeexString *) malloc(size + sizeof(WeexString));
+                            memset(temp, 0, size + sizeof(WeexString));
+                            temp->length = ipcstr->length;
+                            memcpy(temp->content, ipcstr->content, size);
+                            value->type = ParamsType::JSONSTRING;
+                            value->value.string = temp;
+                        }
+                            break;
+                        case IPCType::BYTEARRAY: {
+                            const IPCByteArray *array = arguments->getByteArray(i);
+                            size_t size = array->length * sizeof(char);
+                            auto temp = (WeexByteArray *) malloc(size + sizeof(WeexByteArray));
+                            memset(temp, 0, size + sizeof(WeexByteArray));
+                            temp->length = array->length;
+                            memcpy(temp->content, array->content, size);
+                            value->type = ParamsType::BYTEARRAY;
+                            value->value.byteArray = temp;
+                        }
+                            break;
+                        default: {
+                            value->type = ParamsType::JSUNDEFINED;
+                        }
+                            break;
+                    }
+                    params.push_back(value);
+                }
+            }
+
+            static void ClearVectorOfValueWithType(std::vector<VALUE_WITH_TYPE *> &params) {
+                for (auto it = params.begin(); it != params.end(); ++it) {
+                    switch ((*it)->type) {
+                        case ParamsType::STRING:
+                        case ParamsType::JSONSTRING:
+                            free((*it)->value.string);
+                            break;
+                        case ParamsType::BYTEARRAY:
+                            free((*it)->value.byteArray);
+                            break;
+                        default:
+                            break;
+                    }
+                    delete *it;
+                }
+            }
+
+            void ScriptBridgeInMultiProcess::RegisterIPCCallback(IPCHandler *handler) {
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::INITFRAMEWORK),
+                                         InitFramework);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::INITAPPFRAMEWORK),
+                                         InitAppFramework);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::CREATEAPPCONTEXT),
+                                         CreateAppContext);
+                handler->registerHandler(
+                        static_cast<uint32_t>(IPCJSMsg::EXECJSONAPPWITHRESULT),
+                        ExecJSOnAppWithResult);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::CALLJSONAPPCONTEXT),
+                                         CallJSOnAppContext);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::DESTORYAPPCONTEXT),
+                                         DestroyAppContext);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::EXECJSSERVICE),
+                                         ExecJSService);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::TAKEHEAPSNAPSHOT),
+                                         TakeHeapSnapshot);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::EXECTIMERCALLBACK),
+                                         ExecTimerCallback);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::EXECJS), ExecJS);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::EXECJSWITHRESULT),
+                                         ExecJSWithResult);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::EXECJSWITHCALLBACK),
+                                         ExecJSWithCallback);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::CREATEINSTANCE),
+                                         CreateInstance);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::DESTORYINSTANCE),
+                                         DestroyInstance);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::EXECJSONINSTANCE),
+                                         ExecJSOnInstance);
+                handler->registerHandler(static_cast<uint32_t>(IPCJSMsg::UPDATEGLOBALCONFIG),
+                                         UpdateGlobalConfig);
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::InitFramework(
+                    IPCArguments *arguments) {
+                //TODO change ScriptSide
+                LOGD("ScriptBridgeInMultiProcess::InitFramework");
+                static_cast<ScriptSideInQueue *>(Instance()->script_side())
+                        ->setTaskQueue(new WeexTaskQueue());
+                WeexEnv::getEnv()->setScriptBridge(Instance());
+
+                // Source
+                const char *source = GetUTF8StringFromIPCArg(arguments, 0);
+                // Params
+                size_t startCount = 1;
+                size_t count = arguments->getCount();
+                std::vector<INIT_FRAMEWORK_PARAMS *> params;
+                for (size_t i = startCount; i < count; i += 2) {
+                    if (arguments->getType(i) != IPCType::BYTEARRAY) {
+                        continue;
+                    }
+                    if (arguments->getType(1 + i) != IPCType::BYTEARRAY) {
+                        continue;
+                    }
+                    const IPCByteArray *ba = arguments->getByteArray(1 + i);
+                    const IPCByteArray *ba_type = arguments->getByteArray(i);
+                    auto init_framework_params =
+                            (INIT_FRAMEWORK_PARAMS *) malloc(sizeof(INIT_FRAMEWORK_PARAMS));
+                    if (init_framework_params == nullptr) {
+                        break;
+                    }
+                    memset(init_framework_params, 0, sizeof(INIT_FRAMEWORK_PARAMS));
+                    init_framework_params->type = IPCByteArrayToWeexByteArray(ba_type);
+                    init_framework_params->value = IPCByteArrayToWeexByteArray(ba);
+                    params.push_back(init_framework_params);
+                }
+                int val = Instance()->script_side()->InitFramework(source, params);
+                freeInitFrameworkParams(params);
+                return createInt32Result(val);
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::InitAppFramework(
+                    IPCArguments *arguments) {
+                const char *id = GetUTF8StringFromIPCArg(arguments, 0);
+                const char *js = GetUTF8StringFromIPCArg(arguments, 1);
+                LOGD("Weex jsserver IPCJSMsg::INITAPPFRAMEWORK id:%s", id);
+                if (strcmp(id, "") == 0) {
+                    return createInt32Result(static_cast<int32_t>(false));
+                }
+                // Params
+                size_t startCount = 2;
+                size_t count = arguments->getCount();
+                std::vector<INIT_FRAMEWORK_PARAMS *> params;
+                for (size_t i = startCount; i < count; i += 2) {
+                    if (arguments->getType(i) != IPCType::BYTEARRAY) {
+                        continue;
+                    }
+                    if (arguments->getType(1 + i) != IPCType::BYTEARRAY) {
+                        continue;
+                    }
+                    const IPCByteArray *ba = arguments->getByteArray(1 + i);
+                    const IPCByteArray *ba_type = arguments->getByteArray(i);
+                    auto init_framework_params =
+                            (INIT_FRAMEWORK_PARAMS *) malloc(sizeof(INIT_FRAMEWORK_PARAMS));
+                    if (init_framework_params == nullptr) {
+                        break;
+                    }
+                    memset(init_framework_params, 0, sizeof(INIT_FRAMEWORK_PARAMS));
+                    init_framework_params->type = IPCByteArrayToWeexByteArray(ba_type);
+                    init_framework_params->value = IPCByteArrayToWeexByteArray(ba);
+                    params.push_back(init_framework_params);
+                }
+                return createInt32Result(
+                        Instance()->script_side()->InitAppFramework(id, js, params));
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::CreateAppContext(
+                    IPCArguments *arguments) {
+                const char *instanceID = GetUTF8StringFromIPCArg(arguments, 0);
+                const char *js = GetUTF8StringFromIPCArg(arguments, 1);
+                return createInt32Result(
+                        Instance()->script_side()->CreateAppContext(instanceID, js));
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::ExecJSOnAppWithResult(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::ExecJSONAppWithResult");
+                const char *instanceID = GetUTF8StringFromIPCArg(arguments, 0);
+                const char *js = GetUTF8StringFromIPCArg(arguments, 1);
+                const std::unique_ptr<WeexJSResult> &ptr = Instance()->script_side()->ExecJSOnAppWithResult(instanceID, js);
+
+                return createByteArrayResult(ptr->data.get(), ptr->length);
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::CallJSOnAppContext(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::CallJSONAppContext");
+                const char *instanceId = GetUTF8StringFromIPCArg(arguments, 0);
+                const char *func = GetUTF8StringFromIPCArg(arguments, 1);
+
+                std::vector<VALUE_WITH_TYPE *> params;
+                FillVectorOfValueWithType(params, arguments, 2, arguments->getCount());
+                auto result =
+                        Instance()->script_side()->CallJSOnAppContext(instanceId, func, params);
+                ClearVectorOfValueWithType(params);
+                return createInt32Result(result);
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::DestroyAppContext(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::DestroyAppContext");
+                const char *instanceID = GetUTF8StringFromIPCArg(arguments, 0);
+                if (strlen(instanceID) == 0) {
+                    return createInt32Result(static_cast<int32_t>(false));
+                }
+
+                return createInt32Result(
+                        Instance()->script_side()->DestroyAppContext(instanceID));
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::ExecJSService(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::ExecJSService");
+                const char *source = GetUTF8StringFromIPCArg(arguments, 0);
+                return createInt32Result(Instance()->script_side()->ExecJsService(source));
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::ExecTimerCallback(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::ExecTimerCallback");
+                const char *source = GetUTF8StringFromIPCArg(arguments, 0);
+                Instance()->script_side()->ExecTimeCallback(source);
+                return createVoidResult();
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::ExecJS(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::ExecJS");
+                const char *instanceId = GetUTF8StringFromIPCArg(arguments, 0);
+                const char *namespaceStr = GetUTF8StringFromIPCArg(arguments, 1);
+                const char *func = GetUTF8StringFromIPCArg(arguments, 2);
+
+                std::vector<VALUE_WITH_TYPE *> params;
+                FillVectorOfValueWithType(params, arguments, 3, arguments->getCount());
+                auto result =
+                        Instance()->script_side()->ExecJS(instanceId, namespaceStr, func, params);
+                ClearVectorOfValueWithType(params);
+                return createInt32Result(result);
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::ExecJSWithResult(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::ExecJSWithResult");
+                const char *instanceId = GetUTF8StringFromIPCArg(arguments, 0);
+                const char *namespaceStr = GetUTF8StringFromIPCArg(arguments, 1);
+                const char *func = GetUTF8StringFromIPCArg(arguments, 2);
+
+                std::vector<VALUE_WITH_TYPE *> params;
+                FillVectorOfValueWithType(params, arguments, 3, arguments->getCount());
+                const std::unique_ptr<WeexJSResult> &ptr = Instance()->script_side()->ExecJSWithResult(
+                                                        instanceId, namespaceStr, func, params);
+                ClearVectorOfValueWithType(params);
+
+                return createByteArrayResult(ptr->data.get(), ptr->length);
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::ExecJSWithCallback(
+                    IPCArguments *arguments) {
+                const char *instanceId = GetUTF8StringFromIPCArg(arguments, 0);
+                const char *namespaceStr = GetUTF8StringFromIPCArg(arguments, 1);
+                const char *func = GetUTF8StringFromIPCArg(arguments, 2);
+                // pass callback_id before params
+                long id = arguments->get<int64_t>(3);
+
+                std::vector<VALUE_WITH_TYPE *> params;
+                FillVectorOfValueWithType(params, arguments, 4, arguments->getCount());
+                Instance()->script_side()->ExecJSWithCallback(
+                        instanceId, namespaceStr, func, params, id);
+                ClearVectorOfValueWithType(params);
+
+                return createVoidResult();
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::CreateInstance(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::CreateInstance");
+
+                const char *instanceID = GetUTF8StringFromIPCArg(arguments, 0);
+                const char *func = GetUTF8StringFromIPCArg(arguments, 1);
+                const char *script = GetUTF8StringFromIPCArg(arguments, 2);
+                const char *opts = GetUTF8StringFromIPCArg(arguments, 3);
+                const char *initData = GetUTF8StringFromIPCArg(arguments, 4);
+                const char *extendsApi = GetUTF8StringFromIPCArg(arguments, 5);
+                size_t startCount = 6;
+                size_t count = arguments->getCount();
+                std::vector<INIT_FRAMEWORK_PARAMS*> params;
+                for (size_t i = startCount; i < count; i += 2) {
+                    if (arguments->getType(i) != IPCType::BYTEARRAY) {
+                        continue;
+                    }
+                    if (arguments->getType(1 + i) != IPCType::BYTEARRAY) {
+                        continue;
+                    }
+                    const IPCByteArray* ba = arguments->getByteArray(1 + i);
+                    const IPCByteArray* ba_type = arguments->getByteArray(i);
+                    auto init_framework_params =
+                            (INIT_FRAMEWORK_PARAMS*)malloc(sizeof(INIT_FRAMEWORK_PARAMS));
+                    if (init_framework_params == nullptr) {
+                        break;
+                    }
+                    memset(init_framework_params, 0, sizeof(INIT_FRAMEWORK_PARAMS));
+                    init_framework_params->type = IPCByteArrayToWeexByteArray(ba_type);
+                    init_framework_params->value = IPCByteArrayToWeexByteArray(ba);
+                    params.push_back(init_framework_params);
+                }
+                auto result = createInt32Result(Instance()->script_side()->CreateInstance(
+                                        instanceID, func, script, opts, initData, extendsApi,params));
+                freeInitFrameworkParams(params);
+                return result;
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::DestroyInstance(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::DestroyInstance");
+                const char *instanceID = GetUTF8StringFromIPCArg(arguments, 0);
+                if (strlen(instanceID) == 0) {
+                    LOGE("DestoryInstance instanceId is NULL");
+                    return createInt32Result(static_cast<int32_t>(false));
+                }
+
+                return createInt32Result(
+                        Instance()->script_side()->DestroyInstance(instanceID));
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::ExecJSOnInstance(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::ExecJSONInstance");
+                const char *instanceID = GetUTF8StringFromIPCArg(arguments, 0);
+                const char *script = GetUTF8StringFromIPCArg(arguments, 1);
+
+                const std::unique_ptr<WeexJSResult> &ptr = Instance()->script_side()->ExecJSOnInstance(instanceID, script);
+
+                return createByteArrayResult(ptr->data.get(), ptr->length);
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::UpdateGlobalConfig(
+                    IPCArguments *arguments) {
+                LOGD("ScriptBridgeInMultiProcess::UpdateGlobalConfig");
+                const char *configString = GetUTF8StringFromIPCArg(arguments, 0);
+                Instance()->script_side()->UpdateGlobalConfig(configString);
+                return createVoidResult();
+            }
+
+            std::unique_ptr<IPCResult> ScriptBridgeInMultiProcess::TakeHeapSnapshot(
+                    IPCArguments *arguments) {
+                return createVoidResult();
+            }
+
+        }  // namespace js
+    }  // namespace bridge
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_process.h b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_process.h
new file mode 100644
index 0000000000..f519b867fd
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_process.h
@@ -0,0 +1,77 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#ifndef WEEXV8_JS_MULTI_PROCESS_BRIDGE_H
+#define WEEXV8_JS_MULTI_PROCESS_BRIDGE_H
+
+#include "core/bridge/script_bridge.h"
+
+class IPCHandler;
+class IPCResult;
+class IPCArguments;
+
+namespace weex {
+namespace bridge {
+namespace js {
+class ScriptBridgeInMultiProcess : public WeexCore::ScriptBridge {
+ public:
+  static ScriptBridgeInMultiProcess* Instance() {
+    if (g_instance == NULL) {
+      g_instance = new ScriptBridgeInMultiProcess();
+    }
+    return g_instance;
+  }
+
+  ScriptBridgeInMultiProcess();
+  virtual ~ScriptBridgeInMultiProcess();
+  static void RegisterIPCCallback(IPCHandler* handler);
+
+ private:
+#define IPC_METHOD(method_name) \
+  static std::unique_ptr<IPCResult> method_name(IPCArguments* arguments);
+
+  IPC_METHOD(InitFramework)
+  IPC_METHOD(InitAppFramework)
+  IPC_METHOD(CreateAppContext)
+  IPC_METHOD(ExecJSOnAppWithResult)
+  IPC_METHOD(CallJSOnAppContext)
+  IPC_METHOD(DestroyAppContext)
+  IPC_METHOD(ExecTimerCallback)
+  IPC_METHOD(ExecJSService)
+  IPC_METHOD(TakeHeapSnapshot)
+  IPC_METHOD(ExecJS)
+  IPC_METHOD(ExecJSWithResult)
+  IPC_METHOD(ExecJSWithCallback)
+  IPC_METHOD(CreateInstance)
+  IPC_METHOD(DestroyInstance)
+  IPC_METHOD(ExecJSOnInstance)
+  IPC_METHOD(UpdateGlobalConfig)
+
+ private:
+  static ScriptBridgeInMultiProcess* g_instance;
+  DISALLOW_COPY_AND_ASSIGN(ScriptBridgeInMultiProcess);
+};
+}  // namespace js
+}  // namespace bridge
+}  // namespace weex
+
+#endif  // WEEXV8_JS_MULTI_PROCESS_BRIDGE_H
diff --git a/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_so.cpp b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_so.cpp
new file mode 100644
index 0000000000..bcdf3faf1a
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_so.cpp
@@ -0,0 +1,157 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#include "android/jsengine/bridge/script/script_bridge_in_multi_so.h"
+
+#include "android/jsengine/bridge/platform/platform_bridge_in_multi_so.h"
+#include "android/jsengine/bridge/script/core_side_in_multi_process.h"
+#include "android/jsengine/bridge/script/core_side_in_multi_so.h"
+#include "android/jsengine/bridge/script/core_side_in_simple.h"
+#include "android/jsengine/bridge/script/script_side_in_simple.h"
+#include "android/jsengine/bridge/script/script_side_in_queue.h"
+#include "android/jsengine/object/weex_env.h"
+#include "android/jsengine/weex_runtime.h"
+#include "core/manager/weex_core_manager.h"
+
+static FunctionsExposedByCore *g_functions_exposed_by_core = nullptr;
+
+extern "C" FunctionsExposedByJS *ExchangeJSBridgeFunctions(
+    FunctionsExposedByCore *functions) {
+  g_functions_exposed_by_core = functions;
+  return weex::bridge::js::ScriptBridgeInMultiSo::GetExposedFunctions();
+}
+
+namespace weex {
+namespace bridge {
+namespace js {
+ScriptBridgeInMultiSo *ScriptBridgeInMultiSo::g_instance = NULL;
+
+ScriptBridgeInMultiSo::ScriptBridgeInMultiSo() {
+  set_script_side(new ScriptSideInQueue());
+//  set_core_side(new CoreSideInSimple());
+    set_core_side(new CoreSideInMultiSo(g_functions_exposed_by_core));
+  //  set_core_side(new MultiProcessCoreSide());
+}
+
+ScriptBridgeInMultiSo::~ScriptBridgeInMultiSo() {}
+
+FunctionsExposedByJS *ScriptBridgeInMultiSo::GetExposedFunctions() {
+  FunctionsExposedByJS temp = {
+      InitFramework,         InitAppFramework,   CreateAppContext,
+      ExecJSOnAppWithResult, CallJSOnAppContext, DestroyAppContext,
+      ExecJSService,         ExecTimeCallback,   ExecJS,
+      ExecJSWithResult,      ExecJSWithCallback, CreateInstance,     ExecJSOnInstance,
+      DestroyInstance,       UpdateGlobalConfig};
+  auto functions = (FunctionsExposedByJS *)malloc(sizeof(FunctionsExposedByJS));
+  memset(functions, 0, sizeof(FunctionsExposedByJS));
+  memcpy(functions, &temp, sizeof(FunctionsExposedByJS));
+  return functions;
+}
+
+int ScriptBridgeInMultiSo::InitFramework(
+    const char *script, std::vector<INIT_FRAMEWORK_PARAMS *> &params) {
+  static_cast<ScriptSideInQueue *>(Instance()->script_side())
+          ->setTaskQueue(new WeexTaskQueue(false));
+
+  WeexEnv::getEnv()->setScriptBridge(Instance());
+
+  return Instance()->script_side()->InitFramework(script, params);
+}
+
+int ScriptBridgeInMultiSo::InitAppFramework(
+    const char *instanceId, const char *appFramework,
+    std::vector<INIT_FRAMEWORK_PARAMS *> &params) {
+  return Instance()->script_side()->InitAppFramework(instanceId, appFramework,
+                                                 params);
+}
+
+int ScriptBridgeInMultiSo::CreateAppContext(const char *instanceId,
+                                            const char *jsBundle) {
+  return Instance()->script_side()->CreateAppContext(instanceId, jsBundle);
+}
+
+std::unique_ptr<WeexJSResult> ScriptBridgeInMultiSo::ExecJSOnAppWithResult(const char *instanceId,
+                                                   const char *jsBundle) {
+  return Instance()->script_side()->ExecJSOnAppWithResult(instanceId, jsBundle);
+}
+
+int ScriptBridgeInMultiSo::CallJSOnAppContext(
+    const char *instanceId, const char *func,
+    std::vector<VALUE_WITH_TYPE *> &params) {
+  return Instance()->script_side()->CallJSOnAppContext(instanceId, func, params);
+}
+
+int ScriptBridgeInMultiSo::DestroyAppContext(const char *instanceId) {
+  return Instance()->script_side()->DestroyAppContext(instanceId);
+}
+
+int ScriptBridgeInMultiSo::ExecJSService(const char *source) {
+  return Instance()->script_side()->ExecJsService(source);
+}
+
+int ScriptBridgeInMultiSo::ExecTimeCallback(const char *source) {
+  return Instance()->script_side()->ExecTimeCallback(source);
+}
+
+int ScriptBridgeInMultiSo::ExecJS(const char *instanceId, const char *nameSpace,
+                                  const char *func,
+                                  std::vector<VALUE_WITH_TYPE *> &params) {
+  return Instance()->script_side()->ExecJS(instanceId, nameSpace, func, params);
+}
+
+std::unique_ptr<WeexJSResult>  ScriptBridgeInMultiSo::ExecJSWithResult(
+    const char *instanceId, const char *nameSpace, const char *func,
+    std::vector<VALUE_WITH_TYPE *> &params) {
+  return Instance()->script_side()->ExecJSWithResult(instanceId, nameSpace, func,
+                                                 params);
+}
+
+void ScriptBridgeInMultiSo::ExecJSWithCallback(
+    const char *instanceId, const char *nameSpace, const char *func,
+    std::vector<VALUE_WITH_TYPE *> &params, long callback_id) {
+  Instance()->script_side()->ExecJSWithCallback(instanceId, nameSpace, func, params, callback_id);
+}
+
+int ScriptBridgeInMultiSo::CreateInstance(const char *instanceId,
+                                          const char *func, const char *script,
+                                          const char *opts,
+                                          const char *initData,
+                                          const char *extendsApi, std::vector<INIT_FRAMEWORK_PARAMS*>& params) {
+  return Instance()->script_side()->CreateInstance(instanceId, func, script, opts,
+                                               initData, extendsApi, params);
+}
+
+std::unique_ptr<WeexJSResult> ScriptBridgeInMultiSo::ExecJSOnInstance(const char *instanceId,
+                                              const char *script) {
+  return Instance()->script_side()->ExecJSOnInstance(instanceId, script);
+}
+
+int ScriptBridgeInMultiSo::DestroyInstance(const char *instanceId) {
+  return Instance()->script_side()->DestroyInstance(instanceId);
+}
+
+int ScriptBridgeInMultiSo::UpdateGlobalConfig(const char *config) {
+  return Instance()->script_side()->UpdateGlobalConfig(config);
+}
+}  // namespace js
+}  // namespace bridge
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_so.h b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_so.h
new file mode 100644
index 0000000000..2a06c5747e
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_multi_so.h
@@ -0,0 +1,94 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#ifndef WEEXV8_MULTI_SO_JS_BRIDGE_H
+#define WEEXV8_MULTI_SO_JS_BRIDGE_H
+
+#include "core/bridge/script_bridge.h"
+
+namespace weex {
+namespace bridge {
+namespace js {
+class ScriptBridgeInMultiSo : public WeexCore::ScriptBridge {
+ public:
+  static FunctionsExposedByJS *GetExposedFunctions();
+
+  static int InitFramework(const char *script,
+                           std::vector<INIT_FRAMEWORK_PARAMS *> &params);
+
+  static int InitAppFramework(const char *instanceId, const char *appFramework,
+                              std::vector<INIT_FRAMEWORK_PARAMS *> &params);
+
+  static int CreateAppContext(const char *instanceId, const char *jsBundle);
+
+  static std::unique_ptr<WeexJSResult> ExecJSOnAppWithResult(const char *instanceId,
+                                     const char *jsBundle);
+
+  static int CallJSOnAppContext(const char *instanceId, const char *func,
+                                std::vector<VALUE_WITH_TYPE *> &params);
+
+  static int DestroyAppContext(const char *instanceId);
+
+  static int ExecJSService(const char *source);
+
+  static int ExecTimeCallback(const char *source);
+
+  static int ExecJS(const char *instanceId, const char *nameSpace,
+                    const char *func, std::vector<VALUE_WITH_TYPE *> &params);
+
+  static std::unique_ptr<WeexJSResult>  ExecJSWithResult(const char *instanceId,
+                                       const char *nameSpace, const char *func,
+                                       std::vector<VALUE_WITH_TYPE *> &params);
+
+  static void ExecJSWithCallback(const char *instanceId,
+                                       const char *nameSpace, const char *func,
+                                       std::vector<VALUE_WITH_TYPE *> &params, long callback_id);
+
+
+  static int CreateInstance(const char *instanceId, const char *func,
+                            const char *script, const char *opts,
+                            const char *initData, const char *extendsApi, std::vector<INIT_FRAMEWORK_PARAMS*>& params);
+
+  static std::unique_ptr<WeexJSResult> ExecJSOnInstance(const char *instanceId, const char *script);
+
+  static int DestroyInstance(const char *instanceId);
+
+  static int UpdateGlobalConfig(const char *config);
+
+ private:
+  static ScriptBridgeInMultiSo *g_instance;
+  static ScriptBridgeInMultiSo *Instance() {
+    if (g_instance == NULL) {
+      g_instance = new ScriptBridgeInMultiSo();
+    }
+    return g_instance;
+  }
+
+  ScriptBridgeInMultiSo();
+  virtual ~ScriptBridgeInMultiSo();
+  DISALLOW_COPY_AND_ASSIGN(ScriptBridgeInMultiSo);
+};
+}  // namespace js
+}  // namespace bridge
+}  // namespace weex
+
+#endif  // WEEXV8_MULTI_SO_JS_BRIDGE_H
diff --git a/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_simple.cpp b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_simple.cpp
new file mode 100644
index 0000000000..e714220ddf
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_simple.cpp
@@ -0,0 +1,45 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/29.
+//
+
+#include "android/jsengine/bridge/script/script_bridge_in_simple.h"
+
+#include "android/jsengine/object/weex_env.h"
+#include "android/jsengine/bridge/script/core_side_in_simple.h"
+#include "android/jsengine/bridge/script/script_side_in_simple.h"
+#include "android/jsengine/bridge/script/script_side_in_queue.h"
+#include "android/jsengine/weex_runtime.h"
+
+namespace weex {
+namespace bridge {
+namespace js {
+ScriptBridgeInSimple* ScriptBridgeInSimple::g_instance = NULL;
+
+ScriptBridgeInSimple::ScriptBridgeInSimple() {
+  WeexEnv::getEnv()->setScriptBridge(this);
+  set_script_side(new ScriptSideInSimple(new WeexRuntime(this, false)));
+  set_core_side(new CoreSideInSimple());
+}
+
+ScriptBridgeInSimple::~ScriptBridgeInSimple() {}
+}  // namespace js
+}  // namespace bridge
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_simple.h b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_simple.h
new file mode 100644
index 0000000000..8554d45c02
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/script_bridge_in_simple.h
@@ -0,0 +1,50 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/29.
+//
+
+#ifndef WEEXV8_SCRIPT_BRIDGE_IN_SIMPLE_H
+#define WEEXV8_SCRIPT_BRIDGE_IN_SIMPLE_H
+
+#include "core/bridge/script_bridge.h"
+
+namespace weex {
+namespace bridge {
+namespace js {
+class ScriptBridgeInSimple : public WeexCore::ScriptBridge {
+ public:
+  static ScriptBridgeInSimple *Instance() {
+    if (g_instance == NULL) {
+      g_instance = new ScriptBridgeInSimple();
+    }
+    return g_instance;
+  }
+
+ private:
+  static ScriptBridgeInSimple *g_instance;
+  ScriptBridgeInSimple();
+  virtual ~ScriptBridgeInSimple();
+  DISALLOW_COPY_AND_ASSIGN(ScriptBridgeInSimple);
+};
+}  // namespace js
+}  // namespace bridge
+}  // namespace weex
+
+#endif  // WEEXV8_SCRIPT_BRIDGE_IN_SIMPLE_H
diff --git a/weex_core/Source/android/jsengine/bridge/script/script_side_in_queue.cpp b/weex_core/Source/android/jsengine/bridge/script/script_side_in_queue.cpp
new file mode 100644
index 0000000000..a4bfe665da
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/script_side_in_queue.cpp
@@ -0,0 +1,219 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by Darin on 2018/7/22.
+//
+
+#include "script_side_in_queue.h"
+
+#include "android/jsengine/task/impl/init_framework_task.h"
+#include "android/jsengine/task/impl/create_app_context_task.h"
+#include "android/jsengine/task/impl/create_instance_task.h"
+#include "android/jsengine/task/impl/call_js_on_app_context_task.h"
+#include "android/jsengine/task/impl/destory_app_context_task.h"
+#include "android/jsengine/task/impl/destory_instance_task.h"
+#include "android/jsengine/task/impl/exe_js_on_app_with_result.h"
+#include "android/jsengine/task/impl/update_global_config_task.h"
+#include "android/jsengine/task/impl/ctime_callback_task.h"
+#include "android/jsengine/task/impl/exe_js_services_task.h"
+#include "android/jsengine/task/impl/exe_js_on_instance_task.h"
+#include "android/jsengine/task/impl/exe_js_task.h"
+#include "android/jsengine/task/impl/take_heap_snapshot.h"
+#include "android/jsengine/task/impl/native_timer_task.h"
+
+namespace weex {
+    namespace bridge {
+        namespace js {
+            int ScriptSideInQueue::InitFramework(
+                    const char *script, std::vector<INIT_FRAMEWORK_PARAMS *> &params) {
+                LOGD("ScriptSideInQueue::InitFramework");
+//                return runtime_->initFramework(String::fromUTF8(script), params);
+                weexTaskQueue_->addTask(new InitFrameworkTask(String::fromUTF8(script), params));
+                weexTaskQueue_->init();
+                return 1;
+            }
+
+            int ScriptSideInQueue::InitAppFramework(
+                    const char *instanceId, const char *appFramework,
+                    std::vector<INIT_FRAMEWORK_PARAMS *> &params) {
+                LOGD("ScriptSideInQueue::InitAppFramework");
+                weexTaskQueue_->addTask(new InitFrameworkTask(String::fromUTF8(instanceId),
+                                                              String::fromUTF8(appFramework), params));
+                return 1;
+
+//                return runtime_->initAppFramework(String::fromUTF8(instanceId),
+//                                                  String::fromUTF8(appFramework), params);
+            }
+
+            int ScriptSideInQueue::CreateAppContext(const char *instanceId,
+                                                    const char *jsBundle) {
+                LOGD("ScriptSideInQueue::CreateAppContext");
+                auto script = String::fromUTF8(jsBundle);
+                if(script.isEmpty()) {
+                    return 0;
+                }
+                weexTaskQueue_->addTask(new CreateAppContextTask(String::fromUTF8(instanceId),
+                                                                 script));
+                return 1;
+            }
+
+            std::unique_ptr<WeexJSResult> ScriptSideInQueue::ExecJSOnAppWithResult(const char *instanceId,
+                                                           const char *jsBundle) {
+                LOGD("ScriptSideInQueue::ExecJSOnAppWithResult");
+
+                WeexTask *task = new ExeJsOnAppWithResultTask(String::fromUTF8(instanceId),
+                                                              String::fromUTF8(jsBundle));
+
+                auto future = std::unique_ptr<WeexTask::Future>(new WeexTask::Future());
+                task->set_future(future.get());
+
+                weexTaskQueue_->addTask(task);
+
+                return std::move(future->waitResult());
+            }
+
+            int ScriptSideInQueue::CallJSOnAppContext(
+                    const char *instanceId, const char *func,
+                    std::vector<VALUE_WITH_TYPE *> &params) {
+                LOGD("ScriptSideInQueue::CallJSOnAppContext");
+
+                weexTaskQueue_->addTask(new CallJsOnAppContextTask(String::fromUTF8(instanceId),
+                                                                   String::fromUTF8(func), params));
+
+                return 1;
+            }
+
+            int ScriptSideInQueue::DestroyAppContext(const char *instanceId) {
+                LOGD("ScriptSideInQueue::DestroyAppContext");
+
+                weexTaskQueue_->addTask(new DestoryAppContextTask(String::fromUTF8(instanceId)));
+
+                return 1;
+            }
+
+            int ScriptSideInQueue::ExecJsService(const char *source) {
+                LOGD("ScriptSideInQueue::ExecJsService");
+
+                weexTaskQueue_->addTask(new ExeJsServicesTask(String::fromUTF8(source)));
+
+                return 1;
+            }
+
+            int ScriptSideInQueue::ExecTimeCallback(const char *source) {
+                LOGD("ScriptSideInQueue::ExecTimeCallback");
+
+                weexTaskQueue_->addTask(new CTimeCallBackTask(String::fromUTF8(source)));
+
+                return 1;
+            }
+
+            int ScriptSideInQueue::ExecJS(const char *instanceId, const char *nameSpace,
+                                          const char *func,
+                                          std::vector<VALUE_WITH_TYPE *> &params) {
+                LOGD("ScriptSideInQueue::ExecJS");
+
+                ExeJsTask *task = new ExeJsTask(instanceId, params);
+
+                task->addExtraArg(String::fromUTF8(nameSpace));
+                task->addExtraArg(String::fromUTF8(func));
+
+                weexTaskQueue_->addTask(task);
+
+                return 1;
+            }
+
+            std::unique_ptr<WeexJSResult>  ScriptSideInQueue::ExecJSWithResult(
+                    const char *instanceId, const char *nameSpace, const char *func,
+                    std::vector<VALUE_WITH_TYPE *> &params) {
+                LOGD("ScriptSideInQueue::ExecJSWithResult");
+
+                ExeJsTask *task = new ExeJsTask(instanceId, params, true);
+
+                auto future = std::unique_ptr<WeexTask::Future>(new WeexTask::Future());
+                task->set_future(future.get());
+
+                task->addExtraArg(String::fromUTF8(nameSpace));
+                task->addExtraArg(String::fromUTF8(func));
+                weexTaskQueue_->addTask(task);
+                return std::move(future->waitResult());
+            }
+
+            void  ScriptSideInQueue::ExecJSWithCallback(
+                    const char *instanceId, const char *nameSpace, const char *func,
+                    std::vector<VALUE_WITH_TYPE *> &params, long callback_id) {
+                LOGD("ScriptSideInQueue::ExecJSWithCallback");
+
+                ExeJsTask *task = new ExeJsTask(instanceId, params, callback_id);
+
+                task->addExtraArg(String::fromUTF8(nameSpace));
+                task->addExtraArg(String::fromUTF8(func));
+                weexTaskQueue_->addTask(task);
+            }
+
+            int ScriptSideInQueue::CreateInstance(const char *instanceId, const char *func,
+                                                  const char *script, const char *opts,
+                                                  const char *initData,
+                                                  const char *extendsApi, std::vector<INIT_FRAMEWORK_PARAMS*>& params) {
+                LOGD(
+                        "CreateInstance id = %s, func = %s, script = %s, opts = %s, initData = "
+                        "%s, extendsApi = %s",
+                        instanceId, func, script, opts, initData, extendsApi);
+
+                auto string = String::fromUTF8(script);
+                if(string.isEmpty()) {
+                    return 0;
+                }
+                CreateInstanceTask *task = new CreateInstanceTask(String::fromUTF8(instanceId),
+                                                                  string, params);
+
+                task->addExtraArg(String::fromUTF8(func));
+                task->addExtraArg(String::fromUTF8(opts));
+                task->addExtraArg(String::fromUTF8(initData));
+                task->addExtraArg(String::fromUTF8(extendsApi));
+                weexTaskQueue_->addTask(task);
+
+                return 1;
+            }
+
+            std::unique_ptr<WeexJSResult> ScriptSideInQueue::ExecJSOnInstance(const char *instanceId,
+                                                      const char *script) {
+                LOGD("ScriptSideInQueue::ExecJSOnInstance");
+                ExeJsOnInstanceTask *task = new ExeJsOnInstanceTask(String::fromUTF8(instanceId),
+                                                                    String::fromUTF8(script));
+                weexTaskQueue_->addTask(task);
+                auto future = std::unique_ptr<WeexTask::Future>(new WeexTask::Future());
+                task->set_future(future.get());
+                return std::move(future->waitResult());
+            }
+
+            int ScriptSideInQueue::DestroyInstance(const char *instanceId) {
+                LOGD("ScriptSideInQueue::DestroyInstance instanceId: %s \n", instanceId);
+                weexTaskQueue_->addTask(new DestoryInstanceTask(String::fromUTF8(instanceId)));
+                return 1;
+            }
+
+            int ScriptSideInQueue::UpdateGlobalConfig(const char *config) {
+                LOGD("ScriptSideInQueue::UpdateGlobalConfig");
+                weexTaskQueue_->addTask(new UpdateGlobalConfigTask(String::fromUTF8(config)));
+                return 1;
+            }
+        }  // namespace js
+    }  // namespace bridge
+
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/script/script_side_in_queue.h b/weex_core/Source/android/jsengine/bridge/script/script_side_in_queue.h
new file mode 100644
index 0000000000..39c65eb2f2
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/script_side_in_queue.h
@@ -0,0 +1,94 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by Darin on 2018/7/22.
+//
+
+#ifndef WEEXV8_SCRIPT_SIDE_IN_QUEUE_H
+#define WEEXV8_SCRIPT_SIDE_IN_QUEUE_H
+
+#include "core/bridge/script_bridge.h"
+#include "android/jsengine/task/weex_task_queue.h"
+
+namespace weex {
+    namespace bridge {
+        namespace js {
+            class ScriptSideInQueue : public WeexCore::ScriptBridge::ScriptSide {
+
+            private:
+                WeexTaskQueue *weexTaskQueue_;
+
+            public:
+                explicit ScriptSideInQueue() : weexTaskQueue_(nullptr) {};
+
+                explicit ScriptSideInQueue(WeexTaskQueue *taskQueue) { weexTaskQueue_ = taskQueue; }
+
+            public:
+
+                void setTaskQueue(WeexTaskQueue *taskQueue) { weexTaskQueue_ = taskQueue; }
+
+                int InitFramework(const char *script,
+                                  std::vector<INIT_FRAMEWORK_PARAMS *> &params) override;
+
+                int InitAppFramework(const char *instanceId, const char *appFramework,
+                                     std::vector<INIT_FRAMEWORK_PARAMS *> &params) override;
+
+                int CreateAppContext(const char *instanceId, const char *jsBundle) override;
+
+                std::unique_ptr<WeexJSResult> ExecJSOnAppWithResult(const char *instanceId,
+                                            const char *jsBundle) override;
+
+                int CallJSOnAppContext(const char *instanceId, const char *func,
+                                       std::vector<VALUE_WITH_TYPE *> &params) override;
+
+                int DestroyAppContext(const char *instanceId) override;
+
+                int ExecJsService(const char *source) override;
+
+                int ExecTimeCallback(const char *source) override;
+
+                int ExecJS(const char *instanceId, const char *nameSpace, const char *func,
+                           std::vector<VALUE_WITH_TYPE *> &params) override;
+
+                std::unique_ptr<WeexJSResult>  ExecJSWithResult(const char *instanceId, const char *nameSpace,
+                                              const char *func,
+                                              std::vector<VALUE_WITH_TYPE *> &params) override;
+                void ExecJSWithCallback(const char *instanceId, const char *nameSpace,
+                                              const char *func,
+                                              std::vector<VALUE_WITH_TYPE *> &params, long callback_id) override;
+
+
+                int CreateInstance(const char *instanceId, const char *func,
+                                   const char *script, const char *opts, const char *initData,
+                                   const char *extendsApi, std::vector<INIT_FRAMEWORK_PARAMS*>& params) override;
+
+                std::unique_ptr<WeexJSResult> ExecJSOnInstance(const char *instanceId, const char *script) override;
+
+                int DestroyInstance(const char *instanceId) override;
+
+                int UpdateGlobalConfig(const char *config) override;
+
+            };
+        }  // namespace js
+    }  // namespace bridge
+
+}  // namespace weex
+
+
+#endif //WEEXV8_SCRIPT_SIDE_IN_QUEUE_H
diff --git a/weex_core/Source/android/jsengine/bridge/script/script_side_in_simple.cpp b/weex_core/Source/android/jsengine/bridge/script/script_side_in_simple.cpp
new file mode 100644
index 0000000000..9817601c84
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/script_side_in_simple.cpp
@@ -0,0 +1,141 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#include "script_side_in_simple.h"
+#include "android/jsengine/weex_runtime.h"
+
+namespace weex {
+namespace bridge {
+namespace js {
+int ScriptSideInSimple::InitFramework(
+    const char *script, std::vector<INIT_FRAMEWORK_PARAMS *> &params) {
+  LOGD("ScriptSideInSimple::InitFramework");
+
+  return runtime_->initFramework(String::fromUTF8(script), params);
+}
+
+int ScriptSideInSimple::InitAppFramework(
+    const char *instanceId, const char *appFramework,
+    std::vector<INIT_FRAMEWORK_PARAMS *> &params) {
+  LOGD("ScriptSideInSimple::InitAppFramework");
+  return runtime_->initAppFramework(String::fromUTF8(instanceId),
+                                    String::fromUTF8(appFramework), params);
+}
+
+int ScriptSideInSimple::CreateAppContext(const char *instanceId,
+                                         const char *jsBundle) {
+  LOGD("ScriptSideInSimple::CreateAppContext");
+  return runtime_->createAppContext(String::fromUTF8(instanceId),
+                                    String::fromUTF8(jsBundle));
+}
+
+std::unique_ptr<WeexJSResult> ScriptSideInSimple::ExecJSOnAppWithResult(const char *instanceId,
+                                                const char *jsBundle) {
+  LOGD("ScriptSideInSimple::ExecJSOnAppWithResult");
+  return runtime_->exeJSOnAppWithResult(String::fromUTF8(instanceId),
+                                        String::fromUTF8(jsBundle));
+}
+
+int ScriptSideInSimple::CallJSOnAppContext(
+    const char *instanceId, const char *func,
+    std::vector<VALUE_WITH_TYPE *> &params) {
+  LOGD("ScriptSideInSimple::CallJSOnAppContext");
+  return runtime_->callJSOnAppContext(String::fromUTF8(instanceId),
+                                      String::fromUTF8(func), params);
+}
+
+int ScriptSideInSimple::DestroyAppContext(const char *instanceId) {
+  LOGD("ScriptSideInSimple::DestroyAppContext");
+  return runtime_->destroyAppContext(String::fromUTF8(instanceId));
+}
+
+int ScriptSideInSimple::ExecJsService(const char *source) {
+  LOGD("ScriptSideInSimple::ExecJsService");
+  return runtime_->exeJsService(String::fromUTF8(source));
+}
+
+int ScriptSideInSimple::ExecTimeCallback(const char *source) {
+  LOGD("ScriptSideInSimple::ExecTimeCallback");
+  return runtime_->exeCTimeCallback(String::fromUTF8(source));
+}
+
+int ScriptSideInSimple::ExecJS(const char *instanceId, const char *nameSpace,
+                               const char *func,
+                               std::vector<VALUE_WITH_TYPE *> &params) {
+  LOGD("ScriptSideInSimple::ExecJS");
+  return runtime_->exeJS(String::fromUTF8(instanceId),
+                         String::fromUTF8(nameSpace), String::fromUTF8(func),
+                         params);
+}
+
+std::unique_ptr<WeexJSResult>  ScriptSideInSimple::ExecJSWithResult(
+    const char *instanceId, const char *nameSpace, const char *func,
+    std::vector<VALUE_WITH_TYPE *> &params) {
+  LOGD("ScriptSideInSimple::ExecJSWithResult");
+  return runtime_->exeJSWithResult(String::fromUTF8(instanceId),
+                                   String::fromUTF8(nameSpace),
+                                   String::fromUTF8(func), params);
+}
+
+void ScriptSideInSimple::ExecJSWithCallback(
+    const char *instanceId, const char *nameSpace, const char *func,
+    std::vector<VALUE_WITH_TYPE *> &params, long callback_id) {
+  LOGD("ScriptSideInSimple::ExecJSWithResult");
+  runtime_->exeJSWithResult(String::fromUTF8(instanceId),
+                                   String::fromUTF8(nameSpace),
+                                   String::fromUTF8(func), params);
+}
+
+int ScriptSideInSimple::CreateInstance(const char *instanceId, const char *func,
+                                       const char *script, const char *opts,
+                                       const char *initData,
+                                       const char *extendsApi, std::vector<INIT_FRAMEWORK_PARAMS*>& params) {
+  LOGD(
+      "CreateInstance id = %s, func = %s, script = %s, opts = %s, initData = "
+      "%s, extendsApi = %s",
+      instanceId, func, script, opts, initData, extendsApi);
+
+  return runtime_->createInstance(
+      String::fromUTF8(instanceId), String::fromUTF8(func),
+      String::fromUTF8(script), String::fromUTF8(opts),
+      String::fromUTF8(initData), String::fromUTF8(extendsApi),params);
+}
+
+std::unique_ptr<WeexJSResult> ScriptSideInSimple::ExecJSOnInstance(const char *instanceId,
+                                           const char *script) {
+  LOGD("ScriptSideInSimple::ExecJSOnInstance");
+  return runtime_->exeJSOnInstance(String::fromUTF8(instanceId),
+                                   String::fromUTF8(script));
+}
+
+int ScriptSideInSimple::DestroyInstance(const char *instanceId) {
+  LOGD("ScriptSideInSimple::DestroyInstance");
+  return runtime_->destroyInstance(String::fromUTF8(instanceId));
+}
+
+int ScriptSideInSimple::UpdateGlobalConfig(const char *config) {
+  LOGD("ScriptSideInSimple::UpdateGlobalConfig");
+  return runtime_->updateGlobalConfig(String::fromUTF8(config));
+}
+}  // namespace js
+}  // namespace bridge
+}  // namespace weex
diff --git a/weex_core/Source/android/jsengine/bridge/script/script_side_in_simple.h b/weex_core/Source/android/jsengine/bridge/script/script_side_in_simple.h
new file mode 100644
index 0000000000..f8cb02687a
--- /dev/null
+++ b/weex_core/Source/android/jsengine/bridge/script/script_side_in_simple.h
@@ -0,0 +1,92 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+//
+// Created by yxp on 2018/6/15.
+//
+
+#ifndef WEEXV8_SIMPLE_JS_SIDE_H
+#define WEEXV8_SIMPLE_JS_SIDE_H
+
+#include "core/bridge/script_bridge.h"
+
+class WeexRuntime;
+
+namespace weex {
+namespace bridge {
+namespace js {
+class ScriptSideInSimple : public WeexCore::ScriptBridge::ScriptSide {
+ public:
+  int InitFramework(const char *script,
+                    std::vector<INIT_FRAMEWORK_PARAMS *> &params) override;
+
+  int InitAppFramework(const char *instanceId, const char *appFramework,
+                       std::vector<INIT_FRAMEWORK_PARAMS *> &params) override;
+
+  int CreateAppContext(const char *instanceId, const char *jsBundle) override;
+
+  std::unique_ptr<WeexJSResult> ExecJSOnAppWithResult(const char *instanceId,
+                              const char *jsBundle) override;
+
+  int CallJSOnAppContext(const char *instanceId, const char *func,
+                         std::vector<VALUE_WITH_TYPE *> &params) override;
+
+  int DestroyAppContext(const char *instanceId) override;
+
+  int ExecJsService(const char *source) override;
+
+  int ExecTimeCallback(const char *source) override;
+
+  int ExecJS(const char *instanceId, const char *nameSpace, const char *func,
+             std::vector<VALUE_WITH_TYPE *> &params) override;
+
+  std::unique_ptr<WeexJSResult>  ExecJSWithResult(const char *instanceId, const char *nameSpace,
+                                const char *func,
+                                std::vector<VALUE_WITH_TYPE *> &params) override;
+
+  void ExecJSWithCallback(const char *instanceId, const char *nameSpace,
+                                const char *func,
+                                std::vector<VALUE_WITH_TYPE *> &params, long callback_id) override;
+
+  int CreateInstance(const char *instanceId, const char *func,
+                     const char *script, const char *opts, const char *initData,
+                     const char *extendsApi, std::vector<INIT_FRAMEWORK_PARAMS*>& params) override;
+
+  std::unique_ptr<WeexJSResult> ExecJSOnInstance(const char *instanceId, const char *script) override;
+
+  int DestroyInstance(const char *instanceId) override;
+
+  int UpdateGlobalConfig(const char *config) override;
+
+  inline void set_runtime(WeexRuntime *runtime) { runtime_ = runtime; }
+
+  ScriptSideInSimple() : runtime_(nullptr) {}
+  ScriptSideInSimple(WeexRuntime *runtime) : runtime_(runtime) {}
+
+  virtual ~ScriptSideInSimple() {}
+
+ private:
+  WeexRuntime *runtime_;
+  DISALLOW_COPY_AND_ASSIGN(ScriptSideInSimple);
+};
+}  // namespace js
+}  // namespace bridge
+
+}  // namespace weex
+
+#endif  // WEEXV8_SIMPLE_JS_SIDE_H
diff --git a/weex_core/Source/android/jsengine/dependence/OptionsCommon.cmake b/weex_core/Source/android/jsengine/dependence/OptionsCommon.cmake
new file mode 100644
index 0000000000..0a4af71541
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/OptionsCommon.cmake
@@ -0,0 +1,277 @@
+add_definitions(-DBUILDING_WITH_CMAKE=1)
+
+# CODE_GENERATOR_PREPROCESSOR_WITH_LINEMARKERS only matters with GCC >= 4.7.0.  Since this
+# version, -P does not output empty lines, which currently breaks make_names.pl in
+# WebCore. Investigating whether make_names.pl should be changed instead is left as an exercise to
+# the reader.
+if (MSVC)
+    # FIXME: Some codegenerators don't support paths with spaces. So use the executable name only.
+    get_filename_component(CODE_GENERATOR_PREPROCESSOR_EXECUTABLE ${CMAKE_CXX_COMPILER} ABSOLUTE)
+
+    set(CODE_GENERATOR_PREPROCESSOR_ARGUMENTS "/nologo /EP")
+    set(CODE_GENERATOR_PREPROCESSOR "\"${CODE_GENERATOR_PREPROCESSOR_EXECUTABLE}\" ${CODE_GENERATOR_PREPROCESSOR_ARGUMENTS}")
+
+    set(CODE_GENERATOR_PREPROCESSOR_WITH_LINEMARKERS ${CODE_GENERATOR_PREPROCESSOR})
+else ()
+    set(CODE_GENERATOR_PREPROCESSOR_EXECUTABLE ${CMAKE_CXX_COMPILER})
+
+    set(CODE_GENERATOR_PREPROCESSOR_ARGUMENTS "-E -P -x c++")
+    set(CODE_GENERATOR_PREPROCESSOR "${CODE_GENERATOR_PREPROCESSOR_EXECUTABLE} ${CODE_GENERATOR_PREPROCESSOR_ARGUMENTS}")
+
+    set(CODE_GENERATOR_PREPROCESSOR_WITH_LINEMARKERS_ARGUMENTS "-E -x c++")
+    set(CODE_GENERATOR_PREPROCESSOR_WITH_LINEMARKERS "${CODE_GENERATOR_PREPROCESSOR_EXECUTABLE} ${CODE_GENERATOR_PREPROCESSOR_WITH_LINEMARKERS_ARGUMENTS}")
+endif ()
+
+option(USE_THIN_ARCHIVES "Produce all static libraries as thin archives" ON)
+if (USE_THIN_ARCHIVES)
+    execute_process(COMMAND ${CMAKE_AR} -V OUTPUT_VARIABLE AR_VERSION)
+    if ("${AR_VERSION}" MATCHES "^GNU ar")
+        set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> crT <TARGET> <LINK_FLAGS> <OBJECTS>")
+        set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> crT <TARGET> <LINK_FLAGS> <OBJECTS>")
+        set(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> rT <TARGET> <LINK_FLAGS> <OBJECTS>")
+        set(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> rT <TARGET> <LINK_FLAGS> <OBJECTS>")
+    endif ()
+endif ()
+
+set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+define_property(TARGET PROPERTY FOLDER INHERITED BRIEF_DOCS "folder" FULL_DOCS "IDE folder name")
+
+if (COMPILER_IS_GCC_OR_CLANG)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-exceptions -fno-strict-aliasing")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -fno-strict-aliasing -fno-rtti")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++1y")
+endif ()
+
+if (COMPILER_IS_CLANG AND CMAKE_GENERATOR STREQUAL "Ninja")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics")
+endif ()
+
+if (WIN32 AND COMPILER_IS_GCC_OR_CLANG)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mno-ms-bitfields -Wno-unknown-pragmas")
+    add_definitions(-D__USE_MINGW_ANSI_STDIO=1)
+endif ()
+
+# Ensure that the default include system directories are added to the list of CMake implicit includes.
+# This workarounds an issue that happens when using GCC 6 and using system includes (-isystem).
+# For more details check: https://bugs.webkit.org/show_bug.cgi?id=161697
+macro(DETERMINE_GCC_SYSTEM_INCLUDE_DIRS _lang _compiler _flags _result)
+    file(WRITE "${CMAKE_BINARY_DIR}/CMakeFiles/dummy" "\n")
+    separate_arguments(_buildFlags UNIX_COMMAND "${_flags}")
+    execute_process(COMMAND ${_compiler} ${_buildFlags} -v -E -x ${_lang} -dD dummy
+                    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/CMakeFiles OUTPUT_QUIET
+                    ERROR_VARIABLE _gccOutput)
+    file(REMOVE "${CMAKE_BINARY_DIR}/CMakeFiles/dummy")
+    if ("${_gccOutput}" MATCHES "> search starts here[^\n]+\n *(.+) *\n *End of (search) list")
+        set(${_result} ${CMAKE_MATCH_1})
+        string(REPLACE "\n" " " ${_result} "${${_result}}")
+        separate_arguments(${_result})
+    endif ()
+endmacro()
+
+if (CMAKE_COMPILER_IS_GNUCC)
+   DETERMINE_GCC_SYSTEM_INCLUDE_DIRS("c" "${CMAKE_C_COMPILER}" "${CMAKE_C_FLAGS}" SYSTEM_INCLUDE_DIRS)
+   set(CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES ${CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES} ${SYSTEM_INCLUDE_DIRS})
+endif ()
+
+if (CMAKE_COMPILER_IS_GNUCXX)
+   DETERMINE_GCC_SYSTEM_INCLUDE_DIRS("c++" "${CMAKE_CXX_COMPILER}" "${CMAKE_CXX_FLAGS}" SYSTEM_INCLUDE_DIRS)
+   set(CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES ${CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES} ${SYSTEM_INCLUDE_DIRS})
+endif ()
+
+# Detect Cortex-A53 core if CPU is ARM64 and OS is Linux.
+# Query /proc/cpuinfo for each available core and check reported CPU part number: 0xd03 signals Cortex-A53.
+# (see Main ID Register in ARM Cortex-A53 MPCore Processor Technical Reference Manual)
+set(WTF_CPU_ARM64_CORTEXA53_INITIALVALUE OFF)
+if (WTF_CPU_ARM64 AND (${CMAKE_SYSTEM_NAME} STREQUAL "Linux"))
+    execute_process(COMMAND nproc OUTPUT_VARIABLE PROC_COUNT)
+    math(EXPR PROC_MAX ${PROC_COUNT}-1)
+    foreach (PROC_ID RANGE ${PROC_MAX})
+        execute_process(COMMAND taskset -c ${PROC_ID} grep "^CPU part" /proc/cpuinfo OUTPUT_VARIABLE PROC_PART)
+        if (PROC_PART MATCHES "0xd03")
+            set(WTF_CPU_ARM64_CORTEXA53_INITIALVALUE ON)
+            break ()
+        endif ()
+    endforeach ()
+endif ()
+option(WTF_CPU_ARM64_CORTEXA53 "Enable Cortex-A53-specific code paths" ${WTF_CPU_ARM64_CORTEXA53_INITIALVALUE})
+
+if (WTF_CPU_ARM64_CORTEXA53)
+    if (NOT WTF_CPU_ARM64)
+        message(FATAL_ERROR "WTF_CPU_ARM64_CORTEXA53 set without WTF_CPU_ARM64")
+    endif ()
+    include(TestCXXAcceptsFlag)
+    CHECK_CXX_ACCEPTS_FLAG(-mfix-cortex-a53-835769 CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
+    if (CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfix-cortex-a53-835769")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfix-cortex-a53-835769")
+        message(STATUS "Enabling Cortex-A53 workaround for compiler and disabling GNU gold linker, because it doesn't support this workaround.")
+    endif ()
+endif ()
+
+EXPOSE_VARIABLE_TO_BUILD(WTF_CPU_ARM64_CORTEXA53)
+
+set(ARM_TRADITIONAL_DETECTED FALSE)
+if (WTF_CPU_ARM)
+    set(ARM_THUMB2_TEST_SOURCE
+    "
+    #if !defined(thumb2) && !defined(__thumb2__)
+    #error \"Thumb2 instruction set isn't available\"
+    #endif
+    int main() {}
+   ")
+
+    include(CheckCXXSourceCompiles)
+    CHECK_CXX_SOURCE_COMPILES("${ARM_THUMB2_TEST_SOURCE}" ARM_THUMB2_DETECTED)
+    if (NOT ARM_THUMB2_DETECTED)
+        set(ARM_TRADITIONAL_DETECTED TRUE)
+        # See https://bugs.webkit.org/show_bug.cgi?id=159880#c4 for details.
+        message(STATUS "Disabling GNU gold linker, because it doesn't support ARM instruction set properly.")
+    endif ()
+endif ()
+
+# Use ld.gold if it is available and isn't disabled explicitly
+include(CMakeDependentOption)
+CMAKE_DEPENDENT_OPTION(USE_LD_GOLD "Use GNU gold linker" ON
+                       "NOT CXX_ACCEPTS_MFIX_CORTEX_A53_835769;NOT ARM_TRADITIONAL_DETECTED;NOT WIN32;NOT APPLE" OFF)
+if (USE_LD_GOLD)
+    execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
+    if ("${LD_VERSION}" MATCHES "GNU gold")
+        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold -Wl,--disable-new-dtags")
+        set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=gold -Wl,--disable-new-dtags")
+    else ()
+        message(WARNING "GNU gold linker isn't available, using the default system linker.")
+        set(USE_LD_GOLD OFF)
+    endif ()
+endif ()
+
+set(ENABLE_DEBUG_FISSION_DEFAULT OFF)
+if (USE_LD_GOLD AND CMAKE_BUILD_TYPE STREQUAL "Debug")
+    include(TestCXXAcceptsFlag)
+    CHECK_CXX_ACCEPTS_FLAG(-gsplit-dwarf CXX_ACCEPTS_GSPLIT_DWARF)
+    if (CXX_ACCEPTS_GSPLIT_DWARF)
+        set(ENABLE_DEBUG_FISSION_DEFAULT ON)
+    endif ()
+endif ()
+
+option(DEBUG_FISSION "Use Debug Fission support" ${ENABLE_DEBUG_FISSION_DEFAULT})
+
+if (DEBUG_FISSION)
+    if (NOT USE_LD_GOLD)
+        message(FATAL_ERROR "Need GNU gold linker for Debug Fission support")
+    endif ()
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -gsplit-dwarf")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -gsplit-dwarf")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
+    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
+endif ()
+
+if (COMPILER_IS_CLANG)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Qunused-arguments")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments")
+endif ()
+
+string(TOLOWER ${CMAKE_HOST_SYSTEM_PROCESSOR} LOWERCASE_CMAKE_HOST_SYSTEM_PROCESSOR)
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND "${LOWERCASE_CMAKE_HOST_SYSTEM_PROCESSOR}" MATCHES "(i[3-6]86|x86|armhf)")
+    # To avoid out of memory when building with debug option in 32bit system.
+    # See https://bugs.webkit.org/show_bug.cgi?id=77327
+    set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "-Wl,--no-keep-memory ${CMAKE_SHARED_LINKER_FLAGS_DEBUG}")
+endif ()
+
+if (NOT MSVC)
+    string(REGEX MATCHALL "-fsanitize=[^ ]*" ENABLED_COMPILER_SANITIZERS ${CMAKE_CXX_FLAGS})
+endif ()
+
+if (UNIX AND NOT APPLE AND NOT ENABLED_COMPILER_SANITIZERS)
+    set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined ${CMAKE_SHARED_LINKER_FLAGS}")
+endif ()
+
+if (USE_ARM_LLVM_DISASSEMBLER)
+    find_package(LLVM REQUIRED)
+    SET_AND_EXPOSE_TO_BUILD(HAVE_LLVM TRUE)
+endif ()
+
+# Enable the usage of OpenMP.
+#  - At this moment, OpenMP is only used as an alternative implementation
+#    to native threads for the parallelization of the SVG filters.
+if (USE_OPENMP)
+    find_package(OpenMP REQUIRED)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+endif ()
+
+# GTK uses the GNU installation directories as defaults.
+if (NOT PORT STREQUAL "GTK")
+    set(LIB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Absolute path to library installation directory")
+    set(EXEC_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Absolute path to executable installation directory")
+    set(LIBEXEC_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Absolute path to install executables executed by the library")
+endif ()
+
+# The Ninja generator does not yet know how to build archives in pieces, and so response
+# files must be used to deal with very long linker command lines.
+# See https://bugs.webkit.org/show_bug.cgi?id=129771
+# The Apple Toolchain doesn't support response files.
+if (NOT APPLE)
+   # If using Ninja with cmake >= 3.6.0 and icecream, then the build is broken
+   # if enable the response files. See https://bugs.webkit.org/show_bug.cgi?id=168770
+   if (NOT ((${CMAKE_CXX_COMPILER} MATCHES ".*icecc.*") AND (CMAKE_GENERATOR STREQUAL "Ninja") AND (${CMAKE_VERSION} VERSION_GREATER 3.5)))
+      set(CMAKE_NINJA_FORCE_RESPONSE_FILE 1)
+   endif ()
+endif ()
+
+# Macros for determining HAVE values.
+include(CheckIncludeFile)
+include(CheckFunctionExists)
+include(CheckSymbolExists)
+include(CheckStructHasMember)
+
+macro(_HAVE_CHECK_INCLUDE _variable _header)
+    check_include_file(${_header} ${_variable}_value)
+    SET_AND_EXPOSE_TO_BUILD(${_variable} ${_variable}_value)
+endmacro()
+
+macro(_HAVE_CHECK_FUNCTION _variable _function)
+    check_function_exists(${_function} ${_variable}_value)
+    SET_AND_EXPOSE_TO_BUILD(${_variable} ${_variable}_value)
+endmacro()
+
+macro(_HAVE_CHECK_SYMBOL _variable _symbol _header)
+    check_symbol_exists(${_symbol} ${_header} ${_variable}_value)
+    SET_AND_EXPOSE_TO_BUILD(${_variable} ${_variable}_value)
+endmacro()
+
+macro(_HAVE_CHECK_STRUCT _variable _struct _member _header)
+    check_struct_has_member(${_struct} ${_member} ${_header} ${_variable}_value)
+    SET_AND_EXPOSE_TO_BUILD(${_variable} ${_variable}_value)
+endmacro()
+
+# Check whether features.h header exists.
+# Including glibc's one defines __GLIBC__, that is used in Platform.h
+_HAVE_CHECK_INCLUDE(HAVE_FEATURES_H features.h)
+
+# Check for headers
+_HAVE_CHECK_INCLUDE(HAVE_ERRNO_H errno.h)
+_HAVE_CHECK_INCLUDE(HAVE_LANGINFO_H langinfo.h)
+_HAVE_CHECK_INCLUDE(HAVE_MMAP sys/mman.h)
+_HAVE_CHECK_INCLUDE(HAVE_PTHREAD_NP_H pthread_np.h)
+_HAVE_CHECK_INCLUDE(HAVE_STRINGS_H strings.h)
+_HAVE_CHECK_INCLUDE(HAVE_SYS_PARAM_H sys/param.h)
+_HAVE_CHECK_INCLUDE(HAVE_SYS_TIME_H sys/time.h)
+_HAVE_CHECK_INCLUDE(HAVE_SYS_TIMEB_H sys/timeb.h)
+
+# Check for functions
+_HAVE_CHECK_FUNCTION(HAVE_ALIGNED_MALLOC _aligned_malloc)
+_HAVE_CHECK_FUNCTION(HAVE_ISDEBUGGERPRESENT IsDebuggerPresent)
+_HAVE_CHECK_FUNCTION(HAVE_LOCALTIME_R localtime_r)
+_HAVE_CHECK_FUNCTION(HAVE_STRNSTR strnstr)
+_HAVE_CHECK_FUNCTION(HAVE_TIMEGM timegm)
+_HAVE_CHECK_FUNCTION(HAVE_VASPRINTF vasprintf)
+
+# Check for symbols
+# Windows has signal.h but is missing symbols that are used in calls to signal.
+_HAVE_CHECK_SYMBOL(HAVE_SIGNAL_H SIGTRAP signal.h)
+
+# Check for struct members
+_HAVE_CHECK_STRUCT(HAVE_STAT_BIRTHTIME "struct stat" st_birthtime sys/stat.h)
+_HAVE_CHECK_STRUCT(HAVE_TM_GMTOFF "struct tm" tm_gmtoff time.h)
+_HAVE_CHECK_STRUCT(HAVE_TM_ZONE "struct tm" tm_zone time.h)
diff --git a/weex_core/Source/android/jsengine/dependence/OptionsJSCOnly.cmake b/weex_core/Source/android/jsengine/dependence/OptionsJSCOnly.cmake
new file mode 100644
index 0000000000..d91e657c9b
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/OptionsJSCOnly.cmake
@@ -0,0 +1,75 @@
+# find_package(Threads REQUIRED)
+
+add_definitions(-DBUILDING_JSCONLY__)
+
+set(PROJECT_VERSION_MAJOR 1)
+set(PROJECT_VERSION_MINOR 0)
+set(PROJECT_VERSION_MICRO 0)
+set(PROJECT_VERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_MICRO})
+
+set(ALL_EVENT_LOOP_TYPES
+    GLib
+    Generic
+)
+
+set(DEFAULT_EVENT_LOOP_TYPE "Generic")
+
+set(EVENT_LOOP_TYPE ${DEFAULT_EVENT_LOOP_TYPE} CACHE STRING "Implementation of event loop to be used in JavaScriptCore (one of ${ALL_EVENT_LOOP_TYPES})")
+
+if (WTF_CPU_X86 OR WTF_CPU_X86_64)
+    SET_AND_EXPOSE_TO_BUILD(USE_UDIS86 1)
+endif ()
+
+if (ENABLE_STATIC_JSC)
+    set(JavaScriptCore_LIBRARY_TYPE STATIC)
+endif ()
+
+string(TOLOWER ${EVENT_LOOP_TYPE} LOWERCASE_EVENT_LOOP_TYPE)
+if (LOWERCASE_EVENT_LOOP_TYPE STREQUAL "glib")
+    find_package(GLIB 2.36 REQUIRED COMPONENTS gio gobject)
+    SET_AND_EXPOSE_TO_BUILD(USE_GLIB 1)
+    SET_AND_EXPOSE_TO_BUILD(USE_GLIB_EVENT_LOOP 1)
+    SET_AND_EXPOSE_TO_BUILD(WTF_DEFAULT_EVENT_LOOP 0)
+else ()
+    SET_AND_EXPOSE_TO_BUILD(USE_GENERIC_EVENT_LOOP 1)
+    SET_AND_EXPOSE_TO_BUILD(WTF_DEFAULT_EVENT_LOOP 0)
+endif ()
+
+#if (NOT APPLE)
+#    # find_package(ICU REQUIRED)
+#else ()
+#    set(ICU_INCLUDE_DIRS
+#        "${WEBCORE_DIR}/icu"
+#        "${JAVASCRIPTCORE_DIR}/icu"
+#        "${WTF_DIR}/icu"
+#    )
+#    set(ICU_LIBRARIES libicucore.dylib)
+#endif ()
+
+set(ICU_INCLUDE_DIRS
+    "${COMMON_ICU_DIR}"
+    "${WTF_DIR}/icu"
+)
+message("bbbbbbbbbbbbbbbbb ${COMMON_ICU_DIR}")
+
+# From OptionsGTK.cmake
+if (CMAKE_MAJOR_VERSION LESS 3)
+    # Before CMake 3 it was necessary to use a build script instead of using cmake --build directly
+    # to preserve colors and pretty-printing.
+
+    build_command(COMMAND_LINE_TO_BUILD)
+    # build_command unconditionally adds -i (ignore errors) for make, and there's
+    # no reasonable way to turn that off, so we just replace it with -k, which has
+    # the same effect, except that the return code will indicate that an error occurred.
+    # See: http://www.cmake.org/cmake/help/v3.0/command/build_command.html
+    string(REPLACE " -i" " -k" COMMAND_LINE_TO_BUILD ${COMMAND_LINE_TO_BUILD})
+    file(WRITE
+        ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/build.sh
+        "#!/bin/sh\n"
+        "${COMMAND_LINE_TO_BUILD} $@"
+    )
+    file(COPY ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/build.sh
+        DESTINATION ${CMAKE_BINARY_DIR}
+        FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE
+    )
+endif ()
diff --git a/weex_core/Source/android/jsengine/dependence/WeexCommon.cmake b/weex_core/Source/android/jsengine/dependence/WeexCommon.cmake
new file mode 100644
index 0000000000..bbae8959a6
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/WeexCommon.cmake
@@ -0,0 +1,42 @@
+# -----------------------------------------------------------------------------
+# This file is included individually from various subdirectories (JSC, WTF,
+# WebCore, Weex) in order to allow scripts to build only part of WebKit.
+# We want to run this file only once.
+# -----------------------------------------------------------------------------
+if (NOT HAS_RUN_WEEX_COMMON)
+    set(HAS_RUN_WEEX_COMMON TRUE)
+
+    # -----------------------------------------------------------------------------
+    # Find common packages (used by all ports)
+    # -----------------------------------------------------------------------------
+
+    # TODO Enforce version requirement for gperf
+
+    find_package(PythonInterp 2.7.0 REQUIRED)
+
+    # We cannot check for RUBY_FOUND because it is set only when the full package is installed and
+    # the only thing we need is the interpreter. Unlike Python, cmake does not provide a macro
+    # for finding only the Ruby interpreter.
+    find_package(Ruby 1.9)
+    if (NOT RUBY_EXECUTABLE OR RUBY_VERSION VERSION_LESS 1.9)
+        message(FATAL_ERROR "Ruby 1.9 or higher is required.")
+    endif ()
+
+    # -----------------------------------------------------------------------------
+    # Helper macros and feature defines
+    # -----------------------------------------------------------------------------
+
+    include(WeexMacros)
+    include(WeexFS)
+    include(WeexHelpers)
+    include(WeexFeatures)
+
+    include(OptionsCommon)
+    include(Options${PORT})
+
+    # -----------------------------------------------------------------------------
+    # config.h
+    # -----------------------------------------------------------------------------
+
+    CREATE_CONFIGURATION_HEADER()
+endif ()
diff --git a/weex_core/Source/android/jsengine/dependence/WeexFS.cmake b/weex_core/Source/android/jsengine/dependence/WeexFS.cmake
new file mode 100644
index 0000000000..6d1e656e50
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/WeexFS.cmake
@@ -0,0 +1,24 @@
+if (NOT BMALLOC_DIR)
+    set(BMALLOC_DIR "${CMAKE_MODULE_PATH}/Source/bmalloc")
+endif ()
+if (NOT WTF_DIR)
+    set(WTF_DIR "${CMAKE_MODULE_PATH}/WTF")
+    set(COMMON_ICU_DIR "${CMAKE_MODULE_PATH}/icu")
+endif ()
+if (NOT JAVASCRIPTCORE_DIR)
+    set(JAVASCRIPTCORE_DIR "${CMAKE_MODULE_PATH}/Source/JavaScriptCore")
+endif ()
+if (NOT TOOLS_DIR)
+    set(TOOLS_DIR "${CMAKE_SOURCE_DIR}/Tools")
+endif ()
+
+set(DERIVED_SOURCES_DIR "${CMAKE_BINARY_DIR}/DerivedSources")
+set(DERIVED_SOURCES_JAVASCRIPTCORE_DIR "${CMAKE_BINARY_DIR}/DerivedSources/JavaScriptCore")
+set(DERIVED_SOURCES_WEBINSPECTORUI_DIR "${CMAKE_BINARY_DIR}/DerivedSources/WebInspectorUI")
+
+file(MAKE_DIRECTORY ${DERIVED_SOURCES_JAVASCRIPTCORE_DIR})
+file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/Source/JavaScriptCore/runtime)
+
+file(MAKE_DIRECTORY ${DERIVED_SOURCES_WEBINSPECTORUI_DIR})
+file(MAKE_DIRECTORY ${DERIVED_SOURCES_WEBINSPECTORUI_DIR}/Protocol)
+file(MAKE_DIRECTORY ${DERIVED_SOURCES_WEBINSPECTORUI_DIR}/UserInterface/Protocol)
diff --git a/weex_core/Source/android/jsengine/dependence/WeexFeatures.cmake b/weex_core/Source/android/jsengine/dependence/WeexFeatures.cmake
new file mode 100644
index 0000000000..bd59d95ae4
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/WeexFeatures.cmake
@@ -0,0 +1,357 @@
+# The settings in this file are the WebKit project default values, and
+# are recommended for most ports. Ports can override these settings in
+# Options*.cmake, but should do so only if there is strong reason to
+# deviate from the defaults of the WebKit project (e.g. if the feature
+# requires platform-specific implementation that does not exist).
+#
+# Most defaults in this file affect end users but not developers.
+# Defaults for development builds are set in FeatureList.pm. Most all
+# features enabled here should also be enabled in FeatureList.pm.
+
+set(_WEEX_AVAILABLE_OPTIONS "")
+
+set(PUBLIC YES)
+set(PRIVATE NO)
+
+macro(_ENSURE_OPTION_MODIFICATION_IS_ALLOWED)
+    if (NOT _SETTING_WEEX_OPTIONS)
+        message(FATAL_ERROR "Options must be set between WEEX_OPTION_BEGIN and WEEX_OPTION_END")
+    endif ()
+endmacro()
+
+macro(_ENSURE_IS_WEEX_OPTION _name)
+    list(FIND _WEEX_AVAILABLE_OPTIONS ${_name} ${_name}_OPTION_INDEX)
+    if (${_name}_OPTION_INDEX EQUAL -1)
+        message(FATAL_ERROR "${_name} is not a valid WebKit option")
+    endif ()
+endmacro()
+
+macro(WEEX_OPTION_DEFINE _name _description _public _initial_value)
+    _ENSURE_OPTION_MODIFICATION_IS_ALLOWED()
+
+    set(_WEEX_AVAILABLE_OPTIONS_DESCRIPTION_${_name} ${_description})
+    set(_WEEX_AVAILABLE_OPTIONS_IS_PUBLIC_${_name} ${_public})
+    set(_WEEX_AVAILABLE_OPTIONS_INITIAL_VALUE_${_name} ${_initial_value})
+    set(_WEEX_AVAILABLE_OPTIONS_${_name}_CONFLICTS "")
+    set(_WEEX_AVAILABLE_OPTIONS_${_name}_DEPENDENCIES "")
+    list(APPEND _WEEX_AVAILABLE_OPTIONS ${_name})
+
+    EXPOSE_VARIABLE_TO_BUILD(${_name})
+endmacro()
+
+macro(WEEX_OPTION_DEFAULT_PORT_VALUE _name _public _value)
+    _ENSURE_OPTION_MODIFICATION_IS_ALLOWED()
+    _ENSURE_IS_WEEX_OPTION(${_name})
+
+    set(_WEEX_AVAILABLE_OPTIONS_IS_PUBLIC_${_name} ${_public})
+    set(_WEEX_AVAILABLE_OPTIONS_INITIAL_VALUE_${_name} ${_value})
+endmacro()
+
+macro(WEEX_OPTION_CONFLICT _name _conflict)
+    _ENSURE_OPTION_MODIFICATION_IS_ALLOWED()
+    _ENSURE_IS_WEEX_OPTION(${_name})
+    _ENSURE_IS_WEEX_OPTION(${_conflict})
+
+    list(APPEND _WEEX_AVAILABLE_OPTIONS_${_name}_CONFLICTS ${_conflict})
+endmacro()
+
+macro(WEEX_OPTION_DEPEND _name _depend)
+    _ENSURE_OPTION_MODIFICATION_IS_ALLOWED()
+    _ENSURE_IS_WEEX_OPTION(${_name})
+    _ENSURE_IS_WEEX_OPTION(${_depend})
+
+    list(APPEND _WEEX_AVAILABLE_OPTIONS_${_name}_DEPENDENCIES ${_depend})
+endmacro()
+
+macro(WEEX_OPTION_BEGIN)
+    set(_SETTING_WEEX_OPTIONS TRUE)
+
+    if (WTF_CPU_X86_64)
+        set(ENABLE_FTL_DEFAULT ON)
+    else ()
+        set(ENABLE_FTL_DEFAULT ON)
+    endif ()
+
+    WEEX_OPTION_DEFINE(ENABLE_3D_TRANSFORMS "Toggle 3D transforms support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_ACCELERATED_2D_CANVAS "Toggle accelerated 2D canvas support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_ACCELERATED_OVERFLOW_SCROLLING "Toggle accelerated scrolling support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_ACCESSIBILITY "Toggle accessibility support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_ALLINONE_BUILD "Toggle all-in-one build" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_API_TESTS "Enable public API unit tests" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_ASYNC_SCROLLING "Enable asynchronouse scrolling" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_ATTACHMENT_ELEMENT "Toggle attachment element support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_AVF_CAPTIONS "Toggle AVFoundation caption support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CACHE_PARTITIONING "Toggle cache partitioning support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CANVAS_PATH "Toggle Canvas Path support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_CANVAS_PROXY "Toggle CanvasProxy support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CHANNEL_MESSAGING "Toggle MessageChannel and MessagePort support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_CONTENT_FILTERING "Toggle content filtering support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CONTEXT_MENUS "Toggle Context Menu support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_CSS3_TEXT "Toggle CSS3 Text support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CSS_BOX_DECORATION_BREAK "Toggle Box Decoration break (CSS Backgrounds and Borders) support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_CSS_COMPOSITING "Toggle CSS COMPOSITING support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CSS_DEVICE_ADAPTATION "Toggle CSS Device Adaptation support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CSS_IMAGE_ORIENTATION "Toggle CSS image-orientation support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CSS_IMAGE_RESOLUTION "Toggle CSS image-resolution support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CSS_REGIONS "Toggle CSS regions support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CSS_SCROLL_SNAP "Toggle CSS snap scroll support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CSS_SELECTORS_LEVEL4 "Toggle CSS Selectors Level 4 support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CURSOR_VISIBILITY "Toggle cursor visibility support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_CUSTOM_SCHEME_HANDLER "Toggle Custom Scheme Handler support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_DASHBOARD_SUPPORT "Toggle dashboard support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_DATABASE_PROCESS "Toggle database process support in WebKit2" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_DATACUE_VALUE "Toggle datacue value support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_DATALIST_ELEMENT "Toggle HTML5 datalist support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_DATA_TRANSFER_ITEMS "Toggle HTML5 data transfer items support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_DEVICE_ORIENTATION "Toggle DeviceOrientation support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_DFG_JIT "Toggle data flow graph JIT tier" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_DOWNLOAD_ATTRIBUTE "Toggle download attribute support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_DRAG_SUPPORT "Toggle Drag Support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_ENCRYPTED_MEDIA "Toggle EME support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_FETCH_API "Toggle Fetch API support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_FILTERS_LEVEL_2 "Toggle Filters Module Level 2" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_FONT_LOAD_EVENTS "Toggle Font Load Events support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_FTPDIR "Toggle FTP directory support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_FTL_JIT "Toggle FTL support for JSC" PRIVATE ${ENABLE_FTL_DEFAULT})
+    WEEX_OPTION_DEFINE(ENABLE_FULLSCREEN_API "Toggle Fullscreen API support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_GAMEPAD "Toggle Gamepad support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_GAMEPAD_DEPRECATED "Toggle deprecated Gamepad support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_GEOLOCATION "Toggle Geolocation support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_ICONDATABASE "Toggle Icon database support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_IMAGE_DECODER_DOWN_SAMPLING "Toggle image decoder down sampling support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INDEXED_DATABASE "Toggle Indexed Database API support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INDEXED_DATABASE_IN_WORKERS "Toggle support for indexed database in workers" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INDIE_UI "Toggle Indie UI support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INPUT_TYPE_COLOR "Toggle Color Input support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INPUT_TYPE_COLOR_POPOVER "Toggle popover color input support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INPUT_TYPE_DATE "Toggle date type <input> support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE "Toggle broken datetime type <input> support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INPUT_TYPE_DATETIMELOCAL "Toggle datetime-local type <input> support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INPUT_TYPE_MONTH "Toggle month type <input> support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INPUT_TYPE_TIME "Toggle time type <input> support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INPUT_TYPE_WEEK "Toggle week type <input> support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_INTERSECTION_OBSERVER "Enable Intersection Observer support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_INTL "Toggle Intl support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_IOS_AIRPLAY "Toggle iOS airplay support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_JIT "Enable JustInTime javascript support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_LEGACY_CSS_VENDOR_PREFIXES "Toggle legacy css vendor prefix support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_LEGACY_ENCRYPTED_MEDIA "Support legacy EME" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_LEGACY_NOTIFICATIONS "Toggle Legacy Desktop Notifications Support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_LEGACY_VENDOR_PREFIXES "Toggle Legacy Vendor Prefix Support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_LETTERPRESS "Toggle letterpress support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_LINK_PREFETCH "Toggle pre fetching support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_MAC_LONG_PRESS "Toggle mac long press support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_MATHML "Toggle MathML support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_MEDIA_CAPTURE "Toggle Media Capture support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_MEDIA_CONTROLS_SCRIPT "Toggle definition of media controls in Javascript" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_MEDIA_SOURCE "Toggle Media Source support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_MEDIA_STREAM "Toggle Media Stream support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_MEDIA_STATISTICS "Toggle Media Statistics support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_MEMORY_SAMPLER "Toggle Memory Sampler support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_METER_ELEMENT "Toggle Meter Tag support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_MHTML "Toggle MHTML support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_MINIBROWSER "Whether to enable MiniBrowser compilation." PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_MOUSE_CURSOR_SCALE "Toggle Scaled mouse cursor support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_NAVIGATOR_CONTENT_UTILS "Toggle Navigator Content Utils support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_NAVIGATOR_HWCONCURRENCY "Toggle Navigator hardware concurrency support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_NOSNIFF "Toggle support for 'X-Content-Type-Options: nosniff'" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_NETSCAPE_PLUGIN_API "Toggle Netscape Plugin support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_NOTIFICATIONS "Toggle Desktop Notifications Support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_ORIENTATION_EVENTS "Toggle Orientation Events support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_PDFKIT_PLUGIN "Toggle PDFKit plugin support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_POINTER_LOCK "Toggle pointer lock support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_PROXIMITY_EVENTS "Toggle Proximity Events support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_PUBLIC_SUFFIX_LIST "Toggle public suffix list support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_QUOTA "Toggle Quota support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_READABLE_STREAM_API "Toggle ReadableStream API support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_READABLE_BYTE_STREAM_API "Toggle support of ReadableStream API byte stream part" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_REMOTE_INSPECTOR "Toggle remote inspector support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_RESOLUTION_MEDIA_QUERY "Toggle resolution media query support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_RESOURCE_USAGE "Toggle resource usage support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_RUBBER_BANDING "Toggle rubber banding support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_SAMPLING_PROFILER "Toggle sampling profiler support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_SERVICE_CONTROLS "Toggle service controls support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_SMOOTH_SCROLLING "Toggle smooth scrolling" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_SPEECH_SYNTHESIS "Toggle Speech Synthesis API support)" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_SPELLCHECK "Toggle Spellchecking support (requires Enchant)" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_SUBTLE_CRYPTO "Toggle subtle crypto support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_SVG_FONTS "Toggle SVG fonts support (imples SVG support)" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_TELEPHONE_NUMBER_DETECTION "Toggle telephone number detection support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_TEXT_AUTOSIZING "Toggle automatic text size adjustment support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_TOUCH_EVENTS "Toggle Touch Events support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_TOUCH_SLIDER "Toggle Touch Slider support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_TOUCH_ICON_LOADING "Toggle Touch Icon Loading Support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_USERSELECT_ALL "Toggle user-select:all support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_USER_MESSAGE_HANDLERS "Toggle user script message handler support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_VIBRATION "Toggle Vibration API support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_VIDEO "Toggle Video support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_VIDEO_TRACK "Toggle Track support for HTML5 video" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_VIEW_MODE_CSS_MEDIA "Toggle Track support for the view-mode media Feature" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_WEBASSEMBLY "Toggle WebAssembly support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_WEBGL "Toggle WebGL support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_WEBGL2 "Toggle WebGL 2.0 support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_WEBGPU "Toggle WebGPU support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_WEBVTT_REGIONS "Toggle webvtt region support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_WEB_ANIMATIONS "Toggle Web Animations support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_WEB_AUDIO "Toggle Web Audio support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_WEB_REPLAY "Toggle Web Replay support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_WEB_RTC "Toggle WebRTC API support" PRIVATE OFF)
+    WEEX_OPTION_DEFINE(ENABLE_WEB_SOCKETS "Toggle Web Sockets support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_WEB_TIMING "Toggle Web Timing support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_WRITABLE_STREAM_API "Toggle WritableStream API support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(ENABLE_XSLT "Toggle XSLT support" PRIVATE ON)
+    WEEX_OPTION_DEFINE(USE_SYSTEM_MALLOC "Toggle system allocator instead of WebKit's custom allocator" PRIVATE OFF)
+
+    WEEX_OPTION_DEPEND(ENABLE_WEB_RTC ENABLE_MEDIA_STREAM)
+    WEEX_OPTION_DEPEND(ENABLE_LEGACY_ENCRYPTED_MEDIA ENABLE_VIDEO)
+    WEEX_OPTION_DEPEND(ENABLE_DFG_JIT ENABLE_JIT)
+    WEEX_OPTION_DEPEND(ENABLE_FTL_JIT ENABLE_DFG_JIT)
+    WEEX_OPTION_DEPEND(ENABLE_WEBASSEMBLY ENABLE_FTL_JIT)
+    WEEX_OPTION_DEPEND(ENABLE_SAMPLING_PROFILER ENABLE_JIT)
+    WEEX_OPTION_DEPEND(ENABLE_INDEXED_DATABASE_IN_WORKERS ENABLE_INDEXED_DATABASE)
+    WEEX_OPTION_DEPEND(ENABLE_MEDIA_CONTROLS_SCRIPT ENABLE_VIDEO)
+    WEEX_OPTION_DEPEND(ENABLE_MEDIA_SOURCE ENABLE_VIDEO)
+    WEEX_OPTION_DEPEND(ENABLE_VIDEO_TRACK ENABLE_VIDEO)
+    WEEX_OPTION_DEPEND(ENABLE_TOUCH_SLIDER ENABLE_TOUCH_EVENTS)
+endmacro()
+
+macro(_WEEX_OPTION_ENFORCE_DEPENDS _name)
+    foreach (_dependency ${_WEEX_AVAILABLE_OPTIONS_${_name}_DEPENDENCIES})
+        if (NOT ${_dependency})
+            message(STATUS "Disabling ${_name} since ${_dependency} is disabled.")
+            set(${_name} OFF)
+            set(_OPTION_CHANGED TRUE)
+            break ()
+        endif ()
+    endforeach ()
+endmacro()
+
+macro(_WEEX_OPTION_ENFORCE_ALL_DEPENDS)
+    set(_OPTION_CHANGED TRUE)
+    while (${_OPTION_CHANGED})
+        set(_OPTION_CHANGED FALSE)
+        foreach (_name ${_WEEX_AVAILABLE_OPTIONS})
+            if (${_name})
+                _WEEX_OPTION_ENFORCE_DEPENDS(${_name})
+            endif ()
+        endforeach ()
+    endwhile ()
+endmacro()
+
+macro(_WEEX_OPTION_ENFORCE_CONFLICTS _name)
+    foreach (_conflict ${_WEEX_AVAILABLE_OPTIONS_${_name}_CONFLICTS})
+        if (${_conflict})
+            message(FATAL_ERROR "${_name} conflicts with ${_conflict}. You must disable one or the other.")
+        endif ()
+    endforeach ()
+endmacro()
+
+macro(_WEEX_OPTION_ENFORCE_ALL_CONFLICTS)
+    foreach (_name ${_WEEX_AVAILABLE_OPTIONS})
+        if (${_name})
+            _WEEX_OPTION_ENFORCE_CONFLICTS(${_name})
+        endif ()
+    endforeach ()
+endmacro()
+
+macro(WEEX_OPTION_END)
+    set(_SETTING_WEEX_OPTIONS FALSE)
+
+    list(SORT _WEEX_AVAILABLE_OPTIONS)
+    set(_MAX_FEATURE_LENGTH 0)
+    foreach (_name ${_WEEX_AVAILABLE_OPTIONS})
+        string(LENGTH ${_name} _name_length)
+        if (_name_length GREATER _MAX_FEATURE_LENGTH)
+            set(_MAX_FEATURE_LENGTH ${_name_length})
+        endif ()
+
+        option(${_name} "${_WEEX_AVAILABLE_OPTIONS_DESCRIPTION_${_name}}" ${_WEEX_AVAILABLE_OPTIONS_INITIAL_VALUE_${_name}})
+        if (NOT ${_WEEX_AVAILABLE_OPTIONS_IS_PUBLIC_${_name}})
+            mark_as_advanced(FORCE ${_name})
+        endif ()
+    endforeach ()
+
+    # Run through every possible depends to make sure we have disabled anything
+    # that could cause an unnecessary conflict before processing conflicts.
+    _WEEX_OPTION_ENFORCE_ALL_DEPENDS()
+    _WEEX_OPTION_ENFORCE_ALL_CONFLICTS()
+
+    foreach (_name ${_WEEX_AVAILABLE_OPTIONS})
+        if (${_name})
+            list(APPEND FEATURE_DEFINES ${_name})
+            set(FEATURE_DEFINES_WITH_SPACE_SEPARATOR "${FEATURE_DEFINES_WITH_SPACE_SEPARATOR} ${_name}")
+        endif ()
+    endforeach ()
+endmacro()
+
+macro(PRINT_WEEX_OPTIONS)
+    message(STATUS "Enabled features:")
+
+    set(_should_print_dots ON)
+    foreach (_name ${_WEEX_AVAILABLE_OPTIONS})
+        if (${_WEEX_AVAILABLE_OPTIONS_IS_PUBLIC_${_name}})
+            string(LENGTH ${_name} _name_length)
+            set(_message " ${_name} ")
+
+            # Print dots on every other row, for readability.
+            foreach (IGNORE RANGE ${_name_length} ${_MAX_FEATURE_LENGTH})
+                if (${_should_print_dots})
+                    set(_message "${_message}.")
+                else ()
+                    set(_message "${_message} ")
+                endif ()
+            endforeach ()
+
+            set(_should_print_dots (NOT ${_should_print_dots}))
+
+            set(_message "${_message} ${${_name}}")
+            message(STATUS "${_message}")
+        endif ()
+    endforeach ()
+endmacro()
+
+set(_WEEX_CONFIG_FILE_VARIABLES "")
+
+macro(EXPOSE_VARIABLE_TO_BUILD _variable_name)
+    list(APPEND _WEEX_CONFIG_FILE_VARIABLES ${_variable_name})
+endmacro()
+
+macro(SET_AND_EXPOSE_TO_BUILD _variable_name)
+    # It's important to handle the case where the value isn't passed, because often
+    # during configuration an empty variable is the result of a failed package search.
+    if (${ARGC} GREATER 1)
+        set(_variable_value ${ARGV1})
+    else ()
+        set(_variable_value OFF)
+    endif ()
+
+    set(${_variable_name} ${_variable_value})
+    EXPOSE_VARIABLE_TO_BUILD(${_variable_name})
+endmacro()
+
+macro(_ADD_CONFIGURATION_LINE_TO_HEADER_STRING _string _variable_name _output_variable_name)
+    if (${${_variable_name}})
+        set(${_string} "${_file_contents}#define ${_output_variable_name} 1\n")
+    else ()
+        set(${_string} "${_file_contents}#define ${_output_variable_name} 0\n")
+    endif ()
+endmacro()
+
+macro(CREATE_CONFIGURATION_HEADER)
+    list(SORT _WEEX_CONFIG_FILE_VARIABLES)
+    set(_file_contents "#ifndef CMAKECONFIG_H\n")
+    set(_file_contents "${_file_contents}#define CMAKECONFIG_H\n\n")
+
+    foreach (_variable_name ${_WEEX_CONFIG_FILE_VARIABLES})
+        _ADD_CONFIGURATION_LINE_TO_HEADER_STRING(_file_contents ${_variable_name} ${_variable_name})
+    endforeach ()
+    set(_file_contents "${_file_contents}\n#endif /* CMAKECONFIG_H */\n")
+
+    file(WRITE "${CMAKE_BINARY_DIR}/cmakeconfig.h.tmp" "${_file_contents}")
+    execute_process(COMMAND ${CMAKE_COMMAND}
+        -E copy_if_different
+        "${CMAKE_BINARY_DIR}/cmakeconfig.h.tmp"
+        "${CMAKE_BINARY_DIR}/cmakeconfig.h"
+    )
+    file(REMOVE "${CMAKE_BINARY_DIR}/cmakeconfig.h.tmp")
+endmacro()
diff --git a/weex_core/Source/android/jsengine/dependence/WeexHelpers.cmake b/weex_core/Source/android/jsengine/dependence/WeexHelpers.cmake
new file mode 100644
index 0000000000..4f637c2b69
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/WeexHelpers.cmake
@@ -0,0 +1,114 @@
+include(CMakeParseArguments)
+# Sets extra compile flags for a target, depending on the compiler being used.
+# Currently, only GCC is supported.
+macro(WEEX_SET_EXTRA_COMPILER_FLAGS _target)
+    set(options ENABLE_WERROR IGNORECXX_WARNINGS)
+    CMAKE_PARSE_ARGUMENTS("OPTION" "${options}" "" "" ${ARGN})
+    if (COMPILER_IS_GCC_OR_CLANG)
+        get_target_property(OLD_COMPILE_FLAGS ${_target} COMPILE_FLAGS)
+        if (${OLD_COMPILE_FLAGS} STREQUAL "OLD_COMPILE_FLAGS-NOTFOUND")
+            set(OLD_COMPILE_FLAGS "")
+        endif ()
+
+        if (NOT WIN32)
+            get_target_property(TARGET_TYPE ${_target} TYPE)
+            if (${TARGET_TYPE} STREQUAL "STATIC_LIBRARY") # -fPIC is automatically added to shared libraries
+                set(OLD_COMPILE_FLAGS "-fPIC ${OLD_COMPILE_FLAGS}")
+            endif ()
+        endif ()
+
+        # Suppress -Wparentheses-equality warning of Clang
+        if (COMPILER_IS_CLANG)
+            set(OLD_COMPILE_FLAGS "-Wno-parentheses-equality ${OLD_COMPILE_FLAGS}")
+        endif ()
+
+        # Suppress -Wmissing-field-initializers due to a GCC bug, see https://bugs.webkit.org/show_bug.cgi?id=157888 for details.
+        if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION MATCHES "4\\.9")
+            set(OLD_COMPILE_FLAGS "-Wno-missing-field-initializers ${OLD_COMPILE_FLAGS}")
+        endif ()
+
+        # Enable warnings by default
+        if (NOT ${OPTION_IGNORECXX_WARNINGS})
+            set(OLD_COMPILE_FLAGS "-Wall -Wextra -Wcast-align -Wformat-security -Wmissing-format-attribute -Wpointer-arith -Wundef -Wwrite-strings ${OLD_COMPILE_FLAGS}")
+        endif ()
+
+        # Enable errors on warning
+        if (OPTION_ENABLE_WERROR)
+            set(OLD_COMPILE_FLAGS "-Werror ${OLD_COMPILE_FLAGS}")
+        endif ()
+
+        set_target_properties(${_target} PROPERTIES
+            COMPILE_FLAGS "${OLD_COMPILE_FLAGS}")
+
+        unset(OLD_COMPILE_FLAGS)
+    endif ()
+endmacro()
+
+
+# Append the given flag to the target property.
+# Builds on top of get_target_property() and set_target_properties()
+macro(ADD_TARGET_PROPERTIES _target _property _flags)
+    get_target_property(_tmp ${_target} ${_property})
+    if (NOT _tmp)
+        set(_tmp "")
+    endif (NOT _tmp)
+
+    foreach (f ${_flags})
+        set(_tmp "${_tmp} ${f}")
+    endforeach (f ${_flags})
+
+    set_target_properties(${_target} PROPERTIES ${_property} ${_tmp})
+    unset(_tmp)
+endmacro(ADD_TARGET_PROPERTIES _target _property _flags)
+
+
+# Append the given dependencies to the source file
+macro(ADD_SOURCE_DEPENDENCIES _source _deps)
+    get_source_file_property(_tmp ${_source} OBJECT_DEPENDS)
+    if (NOT _tmp)
+        set(_tmp "")
+    endif ()
+
+    foreach (f ${_deps})
+        list(APPEND _tmp "${f}")
+    endforeach ()
+
+    set_source_files_properties(${_source} PROPERTIES OBJECT_DEPENDS "${_tmp}")
+    unset(_tmp)
+endmacro()
+
+
+# Append the given dependencies to the source file
+# This one consider the given dependencies are in ${DERIVED_SOURCES_WEBCORE_DIR}
+# and prepends this to every member of dependencies list
+macro(ADD_SOURCE_WEBCORE_DERIVED_DEPENDENCIES _source _deps)
+    set(_tmp "")
+    foreach (f ${_deps})
+        list(APPEND _tmp "${DERIVED_SOURCES_WEBCORE_DIR}/${f}")
+    endforeach ()
+
+    ADD_SOURCE_DEPENDENCIES(${_source} ${_tmp})
+    unset(_tmp)
+endmacro()
+
+macro(CALCULATE_LIBRARY_VERSIONS_FROM_LIBTOOL_TRIPLE library_name current revision age)
+    math(EXPR ${library_name}_VERSION_MAJOR "${current} - ${age}")
+    set(${library_name}_VERSION_MINOR ${age})
+    set(${library_name}_VERSION_MICRO ${revision})
+    set(${library_name}_VERSION ${${library_name}_VERSION_MAJOR}.${age}.${revision})
+endmacro()
+
+macro(POPULATE_LIBRARY_VERSION library_name)
+if (NOT DEFINED ${library_name}_VERSION_MAJOR)
+    set(${library_name}_VERSION_MAJOR ${PROJECT_VERSION_MAJOR})
+endif ()
+if (NOT DEFINED ${library_name}_VERSION_MINOR)
+    set(${library_name}_VERSION_MINOR ${PROJECT_VERSION_MINOR})
+endif ()
+if (NOT DEFINED ${library_name}_VERSION_MICRO)
+    set(${library_name}_VERSION_MICRO ${PROJECT_VERSION_MICRO})
+endif ()
+if (NOT DEFINED ${library_name}_VERSION)
+    set(${library_name}_VERSION ${PROJECT_VERSION})
+endif ()
+endmacro()
diff --git a/weex_core/Source/android/jsengine/dependence/WeexMacros.cmake b/weex_core/Source/android/jsengine/dependence/WeexMacros.cmake
new file mode 100644
index 0000000000..19a5936d3d
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/WeexMacros.cmake
@@ -0,0 +1,447 @@
+include(CMakeParseArguments)
+include(ProcessorCount)
+ProcessorCount(PROCESSOR_COUNT)
+
+macro(WEEX_INCLUDE_CONFIG_FILES_IF_EXISTS)
+    set(_file ${CMAKE_CURRENT_SOURCE_DIR}/Platform${PORT}.cmake)
+    if (EXISTS ${_file})
+        message(STATUS "Using platform-specific CMakeLists: ${_file}")
+        include(${_file})
+    else ()
+        message(STATUS "Platform-specific CMakeLists not found: ${_file}")
+    endif ()
+endmacro()
+
+# Append the given dependencies to the source file
+macro(ADD_SOURCE_DEPENDENCIES _source _deps)
+    set(_tmp)
+    get_source_file_property(_tmp ${_source} OBJECT_DEPENDS)
+    if (NOT _tmp)
+        set(_tmp "")
+    endif ()
+
+    foreach (f ${_deps})
+        list(APPEND _tmp "${f}")
+    endforeach ()
+
+    set_source_files_properties(${_source} PROPERTIES OBJECT_DEPENDS "${_tmp}")
+endmacro()
+
+macro(ADD_PRECOMPILED_HEADER _header _cpp _source)
+    if (MSVC)
+        get_filename_component(PrecompiledBasename ${_cpp} NAME_WE)
+        file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/${_source}")
+        set(PrecompiledBinary "${CMAKE_CURRENT_BINARY_DIR}/${_source}/${PrecompiledBasename}.pch")
+        set(_sources ${${_source}})
+
+        set_source_files_properties(${_cpp}
+            PROPERTIES COMPILE_FLAGS "/Yc\"${_header}\" /Fp\"${PrecompiledBinary}\""
+            OBJECT_OUTPUTS "${PrecompiledBinary}")
+        set_source_files_properties(${_sources}
+            PROPERTIES COMPILE_FLAGS "/Yu\"${_header}\" /FI\"${_header}\" /Fp\"${PrecompiledBinary}\""
+            OBJECT_DEPENDS "${PrecompiledBinary}")
+        list(APPEND ${_source} ${_cpp})
+    endif ()
+    #FIXME: Add support for Xcode.
+endmacro()
+
+option(SHOW_BINDINGS_GENERATION_PROGRESS "Show progress of generating bindings" OFF)
+
+# Helper macro which wraps generate-bindings-all.pl script.
+#   target is a new target name to be added
+#   OUTPUT_SOURCE is a list name which will contain generated sources.(eg. WebCore_SOURCES)
+#   INPUT_FILES are IDL files to generate.
+#   BASE_DIR is base directory where script is called.
+#   IDL_INCLUDES is value of --include argument. (eg. ${WEBCORE_DIR}/bindings/js)
+#   FEATURES is a value of --defines argument.
+#   DESTINATION is a value of --outputDir argument.
+#   GENERATOR is a value of --generator argument.
+#   SUPPLEMENTAL_DEPFILE is a value of --supplementalDependencyFile. (optional)
+#   PP_EXTRA_OUTPUT is extra outputs of preprocess-idls.pl. (optional)
+#   PP_EXTRA_ARGS is extra arguments for preprocess-idls.pl. (optional)
+function(GENERATE_BINDINGS target)
+    set(options)
+    set(oneValueArgs OUTPUT_SOURCE BASE_DIR FEATURES DESTINATION GENERATOR SUPPLEMENTAL_DEPFILE)
+    set(multiValueArgs INPUT_FILES IDL_INCLUDES PP_EXTRA_OUTPUT PP_EXTRA_ARGS)
+    cmake_parse_arguments(arg "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+    set(binding_generator ${WEBCORE_DIR}/bindings/scripts/generate-bindings-all.pl)
+    set(idl_attributes_file ${WEBCORE_DIR}/bindings/scripts/IDLAttributes.txt)
+    set(idl_files_list ${CMAKE_CURRENT_BINARY_DIR}/idl_files_${target}.tmp)
+    set(_supplemental_dependency)
+
+    set(content)
+    foreach (f ${arg_INPUT_FILES})
+        if (NOT IS_ABSOLUTE ${f})
+            set(f ${CMAKE_CURRENT_SOURCE_DIR}/${f})
+        endif ()
+        set(content "${content}${f}\n")
+    endforeach ()
+    file(WRITE ${idl_files_list} ${content})
+
+    set(args
+        --defines ${arg_FEATURES}
+        --generator ${arg_GENERATOR}
+        --outputDir ${arg_DESTINATION}
+        --idlFilesList ${idl_files_list}
+        --preprocessor "${CODE_GENERATOR_PREPROCESSOR}"
+        --idlAttributesFile ${idl_attributes_file})
+    if (arg_SUPPLEMENTAL_DEPFILE)
+        list(APPEND args --supplementalDependencyFile ${arg_SUPPLEMENTAL_DEPFILE})
+    endif ()
+    if (PROCESSOR_COUNT)
+        list(APPEND args --numOfJobs ${PROCESSOR_COUNT})
+    endif ()
+    foreach (i IN LISTS arg_IDL_INCLUDES)
+        if (IS_ABSOLUTE ${i})
+            list(APPEND args --include ${i})
+        else ()
+            list(APPEND args --include ${CMAKE_CURRENT_SOURCE_DIR}/${i})
+        endif ()
+    endforeach ()
+    foreach (i IN LISTS arg_PP_EXTRA_OUTPUT)
+        list(APPEND args --ppExtraOutput ${i})
+    endforeach ()
+    foreach (i IN LISTS arg_PP_EXTRA_ARGS)
+        list(APPEND args --ppExtraArgs ${i})
+    endforeach ()
+
+    set(common_generator_dependencies
+        ${WEBCORE_DIR}/bindings/scripts/generate-bindings.pl
+        ${SCRIPTS_BINDINGS}
+        # Changing enabled features should trigger recompiling all IDL files
+        # because some of them use #if.
+        ${CMAKE_BINARY_DIR}/cmakeconfig.h
+    )
+    if (EXISTS ${WEBCORE_DIR}/bindings/scripts/CodeGenerator${arg_GENERATOR}.pm)
+        list(APPEND common_generator_dependencies ${WEBCORE_DIR}/bindings/scripts/CodeGenerator${arg_GENERATOR}.pm)
+    endif ()
+    if (EXISTS ${arg_BASE_DIR}/CodeGenerator${arg_GENERATOR}.pm)
+        list(APPEND common_generator_dependencies ${arg_BASE_DIR}/CodeGenerator${arg_GENERATOR}.pm)
+    endif ()
+    foreach (i IN LISTS common_generator_dependencies)
+        list(APPEND args --generatorDependency ${i})
+    endforeach ()
+
+    set(gen_sources)
+    set(gen_headers)
+    foreach (_file ${arg_INPUT_FILES})
+        get_filename_component(_name ${_file} NAME_WE)
+        list(APPEND gen_sources ${arg_DESTINATION}/JS${_name}.cpp)
+        list(APPEND gen_headers ${arg_DESTINATION}/JS${_name}.h)
+    endforeach ()
+    set(${arg_OUTPUT_SOURCE} ${${arg_OUTPUT_SOURCE}} ${gen_sources} PARENT_SCOPE)
+    set(act_args)
+    if (SHOW_BINDINGS_GENERATION_PROGRESS)
+        list(APPEND args --showProgress)
+    endif ()
+    if (${CMAKE_VERSION} VERSION_LESS 3.2)
+        set_source_files_properties(${gen_sources} ${gen_headers} PROPERTIES GENERATED 1)
+    else ()
+        list(APPEND act_args BYPRODUCTS ${gen_sources} ${gen_headers})
+        if (SHOW_BINDINGS_GENERATION_PROGRESS)
+            list(APPEND act_args USES_TERMINAL)
+        endif ()
+    endif ()
+    add_custom_target(${target}
+        COMMAND ${PERL_EXECUTABLE} ${binding_generator} ${args}
+        WORKING_DIRECTORY ${arg_BASE_DIR}
+        COMMENT "Generate bindings (${target})"
+        VERBATIM ${act_args})
+endfunction()
+
+macro(GENERATE_FONT_NAMES _infile)
+    set(NAMES_GENERATOR ${WEBCORE_DIR}/dom/make_names.pl)
+    set(_arguments  --fonts ${_infile})
+    set(_outputfiles ${DERIVED_SOURCES_WEBCORE_DIR}/WebKitFontFamilyNames.cpp ${DERIVED_SOURCES_WEBCORE_DIR}/WebKitFontFamilyNames.h)
+
+    add_custom_command(
+        OUTPUT  ${_outputfiles}
+        MAIN_DEPENDENCY ${_infile}
+        DEPENDS ${MAKE_NAMES_DEPENDENCIES} ${NAMES_GENERATOR} ${SCRIPTS_BINDINGS}
+        COMMAND ${PERL_EXECUTABLE} ${NAMES_GENERATOR} --outputDir ${DERIVED_SOURCES_WEBCORE_DIR} ${_arguments}
+        VERBATIM)
+endmacro()
+
+
+macro(GENERATE_EVENT_FACTORY _infile _outfile)
+    set(NAMES_GENERATOR ${WEBCORE_DIR}/dom/make_event_factory.pl)
+
+    add_custom_command(
+        OUTPUT  ${DERIVED_SOURCES_WEBCORE_DIR}/${_outfile}
+        MAIN_DEPENDENCY ${_infile}
+        DEPENDS ${NAMES_GENERATOR} ${SCRIPTS_BINDINGS}
+        COMMAND ${PERL_EXECUTABLE} ${NAMES_GENERATOR} --input ${_infile} --outputDir ${DERIVED_SOURCES_WEBCORE_DIR}
+        VERBATIM)
+endmacro()
+
+
+macro(GENERATE_EXCEPTION_CODE_DESCRIPTION _infile _outfile)
+    set(NAMES_GENERATOR ${WEBCORE_DIR}/dom/make_dom_exceptions.pl)
+
+    add_custom_command(
+        OUTPUT  ${DERIVED_SOURCES_WEBCORE_DIR}/${_outfile}
+        MAIN_DEPENDENCY ${_infile}
+        DEPENDS ${NAMES_GENERATOR} ${SCRIPTS_BINDINGS}
+        COMMAND ${PERL_EXECUTABLE} ${NAMES_GENERATOR} --input ${_infile} --outputDir ${DERIVED_SOURCES_WEBCORE_DIR}
+        VERBATIM)
+endmacro()
+
+
+macro(GENERATE_SETTINGS_MACROS _infile _outfile)
+    set(NAMES_GENERATOR ${WEBCORE_DIR}/page/make_settings.pl)
+
+    # Do not list the output in more than one independent target that may
+    # build in parallel or the two instances of the rule may conflict.
+    # <https://cmake.org/cmake/help/v3.0/command/add_custom_command.html>
+    set(_extra_output
+        ${DERIVED_SOURCES_WEBCORE_DIR}/InternalSettingsGenerated.h
+        ${DERIVED_SOURCES_WEBCORE_DIR}/InternalSettingsGenerated.cpp
+        ${DERIVED_SOURCES_WEBCORE_DIR}/InternalSettingsGenerated.idl
+    )
+    set(_args BYPRODUCTS ${_extra_output})
+    if (${CMAKE_VERSION} VERSION_LESS 3.2)
+        set_source_files_properties(${_extra_output} PROPERTIES GENERATED 1)
+        set(_args)
+    endif ()
+    add_custom_command(
+        OUTPUT ${DERIVED_SOURCES_WEBCORE_DIR}/${_outfile}
+        MAIN_DEPENDENCY ${_infile}
+        DEPENDS ${NAMES_GENERATOR} ${SCRIPTS_BINDINGS}
+        COMMAND ${PERL_EXECUTABLE} ${NAMES_GENERATOR} --input ${_infile} --outputDir ${DERIVED_SOURCES_WEBCORE_DIR}
+        VERBATIM ${_args})
+endmacro()
+
+
+macro(GENERATE_DOM_NAMES _namespace _attrs)
+    set(NAMES_GENERATOR ${WEBCORE_DIR}/dom/make_names.pl)
+    set(_arguments  --attrs ${_attrs})
+    set(_outputfiles ${DERIVED_SOURCES_WEBCORE_DIR}/${_namespace}Names.cpp ${DERIVED_SOURCES_WEBCORE_DIR}/${_namespace}Names.h)
+    set(_extradef)
+    set(_tags)
+
+    foreach (f ${ARGN})
+        if (_tags)
+            set(_extradef "${_extradef} ${f}")
+        else ()
+            set(_tags ${f})
+        endif ()
+    endforeach ()
+
+    if (_tags)
+        set(_arguments "${_arguments}" --tags ${_tags} --factory --wrapperFactory)
+        set(_outputfiles "${_outputfiles}" ${DERIVED_SOURCES_WEBCORE_DIR}/${_namespace}ElementFactory.cpp ${DERIVED_SOURCES_WEBCORE_DIR}/${_namespace}ElementFactory.h ${DERIVED_SOURCES_WEBCORE_DIR}/JS${_namespace}ElementWrapperFactory.cpp ${DERIVED_SOURCES_WEBCORE_DIR}/JS${_namespace}ElementWrapperFactory.h)
+    endif ()
+
+    if (_extradef)
+        set(_additionArguments "${_additionArguments}" --extraDefines=${_extradef})
+    endif ()
+
+    add_custom_command(
+        OUTPUT  ${_outputfiles}
+        DEPENDS ${MAKE_NAMES_DEPENDENCIES} ${NAMES_GENERATOR} ${SCRIPTS_BINDINGS} ${_attrs} ${_tags}
+        COMMAND ${PERL_EXECUTABLE} ${NAMES_GENERATOR} --preprocessor "${CODE_GENERATOR_PREPROCESSOR_WITH_LINEMARKERS}" --outputDir ${DERIVED_SOURCES_WEBCORE_DIR} ${_arguments} ${_additionArguments}
+        VERBATIM)
+endmacro()
+
+macro(MAKE_HASH_TOOLS _source)
+    get_filename_component(_name ${_source} NAME_WE)
+
+    if (${_source} STREQUAL "DocTypeStrings")
+        set(_hash_tools_h "${DERIVED_SOURCES_WEBCORE_DIR}/HashTools.h")
+    else ()
+        set(_hash_tools_h "")
+    endif ()
+
+    add_custom_command(
+        OUTPUT ${DERIVED_SOURCES_WEBCORE_DIR}/${_name}.cpp ${_hash_tools_h}
+        MAIN_DEPENDENCY ${_source}.gperf
+        COMMAND ${PERL_EXECUTABLE} ${WEBCORE_DIR}/make-hash-tools.pl ${DERIVED_SOURCES_WEBCORE_DIR} ${_source}.gperf ${GPERF_EXECUTABLE}
+        VERBATIM)
+
+    unset(_name)
+    unset(_hash_tools_h)
+endmacro()
+
+macro(WEEX_WRAP_SOURCELIST)
+    foreach (_file ${ARGN})
+        get_filename_component(_basename ${_file} NAME_WE)
+        get_filename_component(_path ${_file} PATH)
+
+        if (NOT _file MATCHES "${DERIVED_SOURCES_WEBCORE_DIR}")
+            string(REGEX REPLACE "/" "\\\\\\\\" _sourcegroup "${_path}")
+            source_group("${_sourcegroup}" FILES ${_file})
+        endif ()
+    endforeach ()
+
+    source_group("DerivedSources" REGULAR_EXPRESSION "${DERIVED_SOURCES_WEBCORE_DIR}")
+endmacro()
+
+macro(WEEX_FRAMEWORK _target)
+    include_directories(SYSTEM ${${_target}_SYSTEM_INCLUDE_DIRECTORIES})
+    add_library(${_target} ${${_target}_LIBRARY_TYPE}
+        ${${_target}_HEADERS}
+        ${${_target}_SOURCES}
+    )
+    target_include_directories(${_target} PUBLIC "$<BUILD_INTERFACE:${${_target}_INCLUDE_DIRECTORIES}>")
+    target_link_libraries(${_target} ${${_target}_LIBRARIES})
+    set_target_properties(${_target} PROPERTIES COMPILE_DEFINITIONS "BUILDING_${_target}")
+    target_compile_definitions(${_target} PRIVATE "${${_target}_DEFINITIONS}")
+
+    if (${_target}_OUTPUT_NAME)
+        set_target_properties(${_target} PROPERTIES OUTPUT_NAME ${${_target}_OUTPUT_NAME})
+    endif ()
+
+    if (${_target}_PRE_BUILD_COMMAND)
+        add_custom_target(_${_target}_PreBuild COMMAND ${${_target}_PRE_BUILD_COMMAND} VERBATIM)
+        add_dependencies(${_target} _${_target}_PreBuild)
+    endif ()
+
+    if (${_target}_POST_BUILD_COMMAND)
+        add_custom_command(TARGET ${_target} POST_BUILD COMMAND ${${_target}_POST_BUILD_COMMAND} VERBATIM)
+    endif ()
+
+#    if (APPLE AND NOT PORT STREQUAL "GTK" AND NOT ${${_target}_LIBRARY_TYPE} MATCHES STATIC)
+#        set_target_properties(${_target} PROPERTIES FRAMEWORK TRUE)
+#        install(TARGETS ${_target} FRAMEWORK DESTINATION ${LIB_INSTALL_DIR})
+#    endif ()
+endmacro()
+
+macro(WEEX_CREATE_FORWARDING_HEADER _target_directory _file)
+    get_filename_component(_source_path "${CMAKE_SOURCE_DIR}/Source/" ABSOLUTE)
+    get_filename_component(_absolute "${_file}" ABSOLUTE)
+    get_filename_component(_name "${_file}" NAME)
+    set(_target_filename "${_target_directory}/${_name}")
+
+    # Try to make the path in the forwarding header relative to the Source directory
+    # so that these forwarding headers are compatible with the ones created by the
+    # WebKit2 generate-forwarding-headers script.
+    string(REGEX REPLACE "${_source_path}/" "" _relative ${_absolute})
+
+    set(_content "#include \"${_relative}\"\n")
+
+    if (EXISTS "${_target_filename}")
+        file(READ "${_target_filename}" _old_content)
+    endif ()
+
+    if (NOT _old_content STREQUAL _content)
+        file(WRITE "${_target_filename}" "${_content}")
+    endif ()
+endmacro()
+
+macro(WEEX_CREATE_FORWARDING_HEADERS _framework)
+    # On Windows, we copy the entire contents of forwarding headers.
+    if (NOT WIN32)
+        set(_processing_directories 0)
+        set(_processing_files 0)
+        set(_target_directory "${DERIVED_SOURCES_DIR}/ForwardingHeaders/${_framework}")
+
+        file(GLOB _files "${_target_directory}/*.h")
+        foreach (_file ${_files})
+            file(READ "${_file}" _content)
+            string(REGEX MATCH "^#include \"([^\"]*)\"" _matched ${_content})
+            if (_matched AND NOT EXISTS "${CMAKE_SOURCE_DIR}/Source/${CMAKE_MATCH_1}")
+               file(REMOVE "${_file}")
+            endif ()
+        endforeach ()
+
+        foreach (_currentArg ${ARGN})
+            if ("${_currentArg}" STREQUAL "DIRECTORIES")
+                set(_processing_directories 1)
+                set(_processing_files 0)
+            elseif ("${_currentArg}" STREQUAL "FILES")
+                set(_processing_directories 0)
+                set(_processing_files 1)
+            elseif (_processing_directories)
+                file(GLOB _files "${_currentArg}/*.h")
+                foreach (_file ${_files})
+                    WEEX_CREATE_FORWARDING_HEADER(${_target_directory} ${_file})
+                endforeach ()
+            elseif (_processing_files)
+                WEEX_CREATE_FORWARDING_HEADER(${_target_directory} ${_currentArg})
+            endif ()
+        endforeach ()
+    endif ()
+endmacro()
+
+# Helper macro which wraps generate-message-receiver.py and generate-message-header.py scripts
+#   _output_source is a list name which will contain generated sources.(eg. WebKit2_SOURCES)
+#   _input_files are messages.in files to generate.
+macro(GENERATE_WEEX2_MESSAGE_SOURCES _output_source _input_files)
+    foreach (_file ${_input_files})
+        get_filename_component(_name ${_file} NAME_WE)
+        add_custom_command(
+            OUTPUT ${DERIVED_SOURCES_WEEX2_DIR}/${_name}MessageReceiver.cpp ${DERIVED_SOURCES_WEEX2_DIR}/${_name}Messages.h
+            MAIN_DEPENDENCY ${_file}
+            DEPENDS ${WEEX2_DIR}/Scripts/webkit/__init__.py
+                    ${WEEX2_DIR}/Scripts/webkit/messages.py
+                    ${WEEX2_DIR}/Scripts/webkit/model.py
+                    ${WEEX2_DIR}/Scripts/webkit/parser.py
+            COMMAND ${PYTHON_EXECUTABLE} ${WEEX2_DIR}/Scripts/generate-message-receiver.py ${_file} > ${DERIVED_SOURCES_WEEX2_DIR}/${_name}MessageReceiver.cpp
+            COMMAND ${PYTHON_EXECUTABLE} ${WEEX2_DIR}/Scripts/generate-messages-header.py ${_file} > ${DERIVED_SOURCES_WEEX2_DIR}/${_name}Messages.h
+            WORKING_DIRECTORY ${WEEX2_DIR}
+            VERBATIM)
+
+        list(APPEND ${_output_source} ${DERIVED_SOURCES_WEEX2_DIR}/${_name}MessageReceiver.cpp)
+    endforeach ()
+endmacro()
+
+macro(MAKE_JS_FILE_ARRAYS _output_cpp _output_h _scripts _scripts_dependencies)
+    if (NOT CMAKE_VERSION VERSION_LESS 3.1)
+        set(_python_path ${CMAKE_COMMAND} -E env "PYTHONPATH=${JavaScriptCore_SCRIPTS_DIR}")
+    elseif (WIN32)
+        set(_python_path set "PYTHONPATH=${JavaScriptCore_SCRIPTS_DIR}" &&)
+    else ()
+        set(_python_path "PYTHONPATH=${JavaScriptCore_SCRIPTS_DIR}")
+    endif ()
+
+    add_custom_command(
+        OUTPUT ${_output_h} ${_output_cpp}
+        MAIN_DEPENDENCY ${WEBCORE_DIR}/Scripts/make-js-file-arrays.py
+        DEPENDS ${${_scripts}}
+        COMMAND ${_python_path} ${PYTHON_EXECUTABLE} ${WEBCORE_DIR}/Scripts/make-js-file-arrays.py ${_output_h} ${_output_cpp} ${${_scripts}}
+        VERBATIM)
+    list(APPEND WebCore_DERIVED_SOURCES ${_output_cpp})
+    ADD_SOURCE_DEPENDENCIES(${${_scripts_dependencies}} ${_output_h} ${_output_cpp})
+endmacro()
+
+# Helper macro for using all-in-one builds
+# This macro removes the sources included in the _all_in_one_file from the input _file_list.
+# _file_list is a list of source files
+# _all_in_one_file is an all-in-one cpp file includes other cpp files
+# _result_file_list is the output file list
+macro(PROCESS_ALLINONE_FILE _file_list _all_in_one_file _result_file_list _no_compile)
+    file(STRINGS ${_all_in_one_file} _all_in_one_file_content)
+    set(${_result_file_list} ${_file_list})
+    set(_allins "")
+    foreach (_line ${_all_in_one_file_content})
+        string(REGEX MATCH "^#include [\"<](.*)[\">]" _found ${_line})
+        if (_found)
+            list(APPEND _allins ${CMAKE_MATCH_1})
+        endif ()
+    endforeach ()
+
+    foreach (_allin ${_allins})
+        if (${_no_compile})
+            # For DerivedSources.cpp, we still need the derived sources to be generated, but we do not want them to be compiled
+            # individually. We add the header to the result file list so that CMake knows to keep generating the files.
+            string(REGEX REPLACE "(.*)\\.cpp" "\\1" _allin_no_ext ${_allin})
+            string(REGEX REPLACE ";([^;]*/)${_allin_no_ext}\\.cpp;" ";\\1${_allin_no_ext}.h;" _new_result "${${_result_file_list}};")
+        else ()
+            string(REGEX REPLACE ";[^;]*/${_allin};" ";" _new_result "${${_result_file_list}};")
+        endif ()
+        set(${_result_file_list} ${_new_result})
+    endforeach ()
+
+endmacro()
+
+# Helper macros for debugging CMake problems.
+macro(WEEX_DEBUG_DUMP_COMMANDS)
+    set(CMAKE_VERBOSE_MAKEFILE ON)
+endmacro()
+
+macro(WEEX_DEBUG_DUMP_VARIABLES)
+    set_cmake_property(_variableNames VARIABLES)
+    foreach (_variableName ${_variableNames})
+       message(STATUS "${_variableName}=${${_variableName}}")
+    endforeach ()
+endmacro()
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/CMakeLists.txt b/weex_core/Source/android/jsengine/dependence/bmalloc/CMakeLists.txt
new file mode 100644
index 0000000000..a0bc3da66a
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/CMakeLists.txt
@@ -0,0 +1,38 @@
+include(WebKitCommon)
+set_property(DIRECTORY . PROPERTY FOLDER "bmalloc")
+
+set(bmalloc_INCLUDE_DIRECTORIES
+    "${BMALLOC_DIR}"
+)
+
+set(bmalloc_SOURCES
+    bmalloc/Allocator.cpp
+    bmalloc/AvailableMemory.cpp
+    bmalloc/Cache.cpp
+    bmalloc/Deallocator.cpp
+    bmalloc/DebugHeap.cpp
+    bmalloc/Environment.cpp
+    bmalloc/Heap.cpp
+    bmalloc/LargeMap.cpp
+    bmalloc/Logging.cpp
+    bmalloc/ObjectType.cpp
+    bmalloc/StaticMutex.cpp
+    bmalloc/VMHeap.cpp
+    bmalloc/mbmalloc.cpp
+)
+
+if (CMAKE_SYSTEM_NAME MATCHES "Darwin")
+    list(APPEND bmalloc_SOURCES
+        bmalloc/Zone.cpp
+    )
+endif ()
+
+set(bmalloc_LIBRARIES
+    ${CMAKE_DL_LIBS}
+)
+
+WEBKIT_WRAP_SOURCELIST(${bmalloc_SOURCES})
+include_directories(${bmalloc_INCLUDE_DIRECTORIES})
+add_library(bmalloc STATIC ${bmalloc_SOURCES})
+target_link_libraries(bmalloc ${bmalloc_LIBRARIES})
+set_target_properties(bmalloc PROPERTIES COMPILE_DEFINITIONS "BUILDING_bmalloc")
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/ChangeLog b/weex_core/Source/android/jsengine/dependence/bmalloc/ChangeLog
new file mode 100644
index 0000000000..92485e38b4
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/ChangeLog
@@ -0,0 +1,6450 @@
+2017-05-28  Dan Bernstein  <mi...@apple.com>
+
+        [Xcode] ALWAYS_SEARCH_USER_PATHS is set to YES
+        https://bugs.webkit.org/show_bug.cgi?id=172691
+
+        Reviewed by Tim Horton.
+
+        * Configurations/Base.xcconfig: Set ALWAYS_SEARCH_USER_PATHS to NO.
+
+2017-05-25  Geoffrey Garen  <gg...@apple.com> and Michael Saboff  <ms...@apple.com>
+
+        bmalloc: scavenger runs too much on JetStream
+        https://bugs.webkit.org/show_bug.cgi?id=172373
+
+        Reviewed by Geoffrey Garen.
+
+        Instruments says that JetStream on macOS spends about 3% of its time in
+        madvise.
+
+        In <https://bugs.webkit.org/show_bug.cgi?id=160098>, Ben saw some
+        evidence that madvise was the reason that switching to bmalloc for
+        DFG::Node allocations was a slowdown the first time around.
+
+        In <https://bugs.webkit.org/show_bug.cgi?id=172124>, Michael saw that
+        scavening policy can affect JetStream.
+
+        Intuitively, it seems wrong for the heap to idle shrink during hardcore
+        benchmarking.
+
+        The strategy here is to back off in response to any heap growth event,
+        and to wait 2s instead of 0.5s for heap growth to take place -- but we
+        scavenge immediately in response to critical memory pressure, to avoid
+        jetsam.
+
+        One hole in this strategy is that a workload with a perfectly
+        unfragmented heap that allocates and deallocates ~16kB every 2s will
+        never shrink its heap. This doesn't seem to be a problem in practice.
+
+        This looks like a 2% - 4% speedup on JetStream on Mac Pro and MacBook Air.
+
+        * bmalloc/AsyncTask.h:
+        (bmalloc::AsyncTask::willRun):
+        (bmalloc::AsyncTask::willRunSoon):
+        (bmalloc::Function>::AsyncTask):
+        (bmalloc::Function>::run):
+        (bmalloc::Function>::runSoon):
+        (bmalloc::Function>::threadRunLoop):
+        (bmalloc::Function>::runSlowCase): Deleted. Added a "run soon" state
+        so that execution delay is modeled directly instead of implicitly
+        through sleep events. This enables the Heap to issue a "run now" event
+        at any moment in response ot memory pressure.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap): Don't call into our own API -- that's a layering
+        violation.
+
+        (bmalloc::Heap::updateMemoryInUseParameters): No need for
+        m_scavengeSleepDuration anymore.
+
+        (bmalloc::Heap::concurrentScavenge): Added a back-off policy when the
+        heap is growing.
+        (bmalloc::Heap::scavenge):
+
+        (bmalloc::Heap::scavengeSmallPages):
+        (bmalloc::Heap::scavengeLargeObjects): Don't try to give up in the middle
+        of a scavenge event. Our new backoff policy supplants that design. Also,
+        it's easier to profile and understand scavenging behavior if it always
+        runs to completion once started.
+
+        (bmalloc::Heap::scheduleScavenger):
+        (bmalloc::Heap::scheduleScavengerIfUnderMemoryPressure): Added a
+        synchronous amortized check for memory pressure. This check has the
+        benefit that it runs immediately during high rates of heap activity,
+        so we can detect memory pressure right away and wake the scavenger
+        instead of waiting for the scavenger to wake up.
+
+        (bmalloc::Heap::allocateSmallPage):
+        (bmalloc::Heap::deallocateSmallLine):
+        (bmalloc::Heap::splitAndAllocate):
+        (bmalloc::Heap::tryAllocateLarge):
+        (bmalloc::Heap::shrinkLarge):
+        (bmalloc::Heap::deallocateLarge):
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::isUnderMemoryPressure):
+        * bmalloc/Sizes.h:
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::deallocateSmallPage):
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::scavenge): Updated for API changes above.
+
+2017-05-17  Michael Saboff  <ms...@apple.com>
+
+        [iOS] The Garbage Collector shouldn't rely on the bmalloc scavenger for up to date memory footprint info (172186)
+        https://bugs.webkit.org/show_bug.cgi?id=172186
+
+        Reviewed by Geoffrey Garen.
+
+        The calls memoryFootprint() and percentAvailableMemoryInUse() now make a system call to get
+        the current memory footprint value.
+
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::memoryFootprint):
+        (bmalloc::Heap::percentAvailableMemoryInUse):
+
+2017-05-16  Michael Saboff  <ms...@apple.com>
+
+        REGRESSION(r216763): JetStream is 1% slower on Mac
+        https://bugs.webkit.org/show_bug.cgi?id=172124
+
+        Reviewed by Filip Pizlo.
+
+        It appears that changing maxScavengeSleepDuration from 512 to 250ms in r216763 is
+        responsible for the regression.
+
+        * bmalloc/Sizes.h:
+
+2017-05-15  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Bump the size of the deallocator log to 512
+        https://bugs.webkit.org/show_bug.cgi?id=172143
+
+        Reviewed by Michael Saboff.
+
+        This is a speedup on parallel workloads for machines with lots of CPUs.
+
+        * bmalloc/Sizes.h:
+
+2017-05-12  Michael Saboff  <ms...@apple.com>
+
+        [iOS] Use memory footprint to dynamically adjust behavior of allocators
+        https://bugs.webkit.org/show_bug.cgi?id=171944
+
+        Reviewed by Filip Pizlo.
+
+        This change is iOS only.
+
+        After the scavenger thread completes scavenging, it asks the OS for how much total memory the
+        process is using.  This information is used to update the sleep delay for the scanvenger thread,
+        as well as to provide memory in use data for other parts of the system.
+
+        The scavenger sleep time is calculated using the following quadradic equation.
+
+            scavengerSleep = 1.2*percentFreeMemory^2 - percentFreeMemory + 2
+
+        Where percentFreeMemory is between 0 and 100.  The result is constrained to the values 2 and 250.
+
+        This equation empirically works out to providing a 2ms sleep time when we have less than 10%
+        memory available, 30ms when 20% is available and 250ms when 50% or more is available.  In testing,
+        this exponentially agressive scavenging delay by itself reduced memory usage and made it much
+        more deterministic when used without the corresponding change in the JSC Heap.
+
+        Changed the scavenger thread to use the User Initiated QOS priority to ensure it doesn't
+        get starved.
+
+        Moved the non-Windows functionality of WTF::RAMSize() to new files AvailableMemory.{cpp,h}
+        and implemented in the function availableMemory().  That functions limits the value returned
+        on iOS to a maximum of 840MB as that is the jetsam soft memory limit.
+        Added a new API availableMemory() so that WTF::RAMSize() will use this value.
+
+        * CMakeLists.txt:
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/BPlatform.h:
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+        (bmalloc::Heap::updateMemoryInUseParameters):
+        (bmalloc::Heap::concurrentScavenge):
+        (bmalloc::Heap::scavenge):
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::memoryFootprint):
+        (bmalloc::Heap::percentAvailableMemoryInUse):
+        * bmalloc/Sizes.h:
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::availableMemory):
+        (bmalloc::api::memoryFootprint):
+        (bmalloc::api::percentAvailableMemoryInUse):
+        * bmalloc/AvailableMemory.cpp: Added.
+        (bmalloc::computeAvailableMemory):
+        (bmalloc::availableMemory):
+        * bmalloc/AvailableMemory.h: Added.
+
+2017-05-05  Joseph Pecoraro  <pe...@apple.com>
+
+        Leaks always reports "WebKit Malloc Memory Pressure Handler" dispatch_queue/source as leaking
+        https://bugs.webkit.org/show_bug.cgi?id=171532
+
+        Reviewed by Geoffrey Garen.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+        * bmalloc/Heap.h:
+        Store the dispatch_source_t in a member to avoid a false positive leak.
+
+2017-04-27  Michael Saboff  <ms...@apple.com>
+
+        bmalloc scavenger should know what page classes are allocating
+        https://bugs.webkit.org/show_bug.cgi?id=171384
+
+        Reviewed by Geoffrey Garen.
+
+        This change replaces m_isAllocatingPages with a per page class flag to track which page
+        classes are currently allocating.  When scavenging, we skip page classes that are actively
+        allocating and come back to them on a subsequent pass.  This reduces the amount of time it
+        takes for scavenger to free up pages as well as the total time it takes to handle all
+        page classes.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+        (bmalloc::Heap::concurrentScavenge):
+        (bmalloc::Heap::scavenge):
+        (bmalloc::Heap::scavengeSmallPages):
+        (bmalloc::Heap::scavengeLargeObjects):
+        (bmalloc::Heap::allocateSmallPage):
+        (bmalloc::Heap::splitAndAllocate):
+        (bmalloc::Heap::deallocateLarge):
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::takeRequestedScavengerThreadQOSClass): Deleted.
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::deallocateSmallPage):
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::scavenge):
+
+2017-04-25  Michael Saboff  <ms...@apple.com>
+
+        Call bmalloc scavenger first when handling a memory pressure event
+        https://bugs.webkit.org/show_bug.cgi?id=171289
+
+        Reviewed by Geoffrey Garen.
+
+        Registered a critical memory pressure handler.  We add this handler in addition to the
+        call to release bmalloc memory in the WebCore releaseMemory handler for the case of
+        JSC API users that don't use WebCore.  When both handlers are in the process, it is
+        basically a race.  One will win, but the loser won't do any more work, so it is harmless.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+
+2017-04-14  Mark Lam  <ma...@apple.com>
+
+        Update architectures in xcconfig files.
+        https://bugs.webkit.org/show_bug.cgi?id=170867
+        <rdar://problem/31628104>
+
+        Reviewed by Joseph Pecoraro.
+
+        * Configurations/Base.xcconfig:
+
+2017-04-12  Dan Bernstein  <mi...@apple.com>
+
+        [Mac] Future-proof .xcconfig files
+        https://bugs.webkit.org/show_bug.cgi?id=170802
+
+        Reviewed by Tim Horton.
+
+        * Configurations/Base.xcconfig:
+        * Configurations/DebugRelease.xcconfig:
+
+2017-02-03  Ting-Wei Lan  <la...@gmail.com>
+
+        Include cstdlib before using ::malloc and posix_memalign
+        https://bugs.webkit.org/show_bug.cgi?id=167800
+
+        Reviewed by Geoffrey Garen.
+
+        * bmalloc/DebugHeap.cpp:
+
+2017-02-01  Andreas Kling  <ak...@apple.com>
+
+        Implement the alwaysRunsAtBackgroundPriority WK2 setting using thread QoS.
+        <https://webkit.org/b/167387>
+        <rdar://problem/29711409>
+
+        Reviewed by Antti Koivisto.
+
+        Support changing the QoS level of the scavenger thread asynchronously through
+        a request variable. This is not the most elegant thing in the world, but since
+        threads are only allowed to change their own QoS class, our options are limited.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::concurrentScavenge):
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::takeRequestedScavengerThreadQOSClass):
+        (bmalloc::Heap::setScavengerThreadQOSClass):
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::setScavengerThreadQOSClass):
+
+2017-01-13  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Use a separate zone when using system malloc
+        https://bugs.webkit.org/show_bug.cgi?id=167014
+
+        Reviewed by Filip Pizlo.
+
+        Harris asked for this so he could separate Safari and WebKit memory use
+        when doing memory analysis.
+
+        This patch adds an explicit DebugHeap class that contains all our
+        code for specialized allocation with debugging.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::Allocator):
+        (bmalloc::Allocator::tryAllocate):
+        (bmalloc::Allocator::allocateImpl):
+        (bmalloc::Allocator::reallocate):
+        (bmalloc::Allocator::allocateSlowCase):
+        * bmalloc/Allocator.h: Forward to DebugHeap instead of inlining all the
+        code. This is required for our new interface, and it is also a nice
+        simplification that moves some not-very-important code out of the way.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::Deallocator):
+        (bmalloc::Deallocator::scavenge):
+        (bmalloc::Deallocator::deallocateSlowCase):
+        * bmalloc/Deallocator.h: Ditto.
+
+        * bmalloc/DebugHeap.cpp: Added.
+        (bmalloc::DebugHeap::DebugHeap):
+        (bmalloc::DebugHeap::malloc):
+        (bmalloc::DebugHeap::memalign):
+        (bmalloc::DebugHeap::realloc):
+        (bmalloc::DebugHeap::free):
+        * bmalloc/DebugHeap.h: Added. New class for overriding normal heap
+        behavior. Right now, it just adds a malloc zone and then forwards to
+        system malloc -- but we can add lots more kinds of debug heaps in the
+        future if we find them useful.
+
+        * bmalloc/Environment.cpp:
+        (bmalloc::Environment::Environment):
+        (bmalloc::Environment::computeIsDebugHeapEnabled):
+        (bmalloc::Environment::computeIsBmallocEnabled): Deleted.
+        * bmalloc/Environment.h:
+        (bmalloc::Environment::isDebugHeapEnabled):
+        (bmalloc::Environment::isBmallocEnabled): Deleted. Renamed everything to
+        reflect our new use of DebugHeap.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::debugHeap): Updated to use DebugHeap.
+        (bmalloc::Heap::environment): Deleted. 
+
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::isEnabled): Updated to use DebugHeap.
+
+2016-12-15  Myles C. Maxfield  <mm...@apple.com>
+
+        Sort Xcode project files
+        https://bugs.webkit.org/show_bug.cgi?id=165937
+
+        Reviewed by Simon Fraser.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+
+2016-12-08  David Kilzer  <dd...@apple.com>
+
+        Always check the return value of pthread_key_create()
+        <https://webkit.org/b/165274>
+
+        Reviewed by Darin Adler.
+
+        * bmalloc/PerThread.h:
+        (bmalloc::PerThreadStorage::init): Call BCRASH() if
+        pthread_key_create() returns an error.  The error code will be
+        stored in a register available in a crash log, so no need to log
+        the value explicitly.
+
+2016-12-06  Alexey Proskuryakov  <ap...@apple.com>
+
+        Correct SDKROOT values in xcconfig files
+        https://bugs.webkit.org/show_bug.cgi?id=165487
+        rdar://problem/29539209
+
+        Reviewed by Dan Bernstein.
+
+        Fix suggested by Dan Bernstein.
+
+        * Configurations/DebugRelease.xcconfig:
+
+2016-11-29  Andy Estes  <ae...@apple.com>
+
+        [Cocoa] Enable two clang warnings recommended by Xcode
+        https://bugs.webkit.org/show_bug.cgi?id=164498
+
+        Reviewed by Mark Lam.
+
+        * Configurations/Base.xcconfig: Enabled CLANG_WARN_INFINITE_RECURSION and CLANG_WARN_SUSPICIOUS_MOVE.
+
+2016-11-10  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc threads should have a non-default QoS
+        https://bugs.webkit.org/show_bug.cgi?id=164612
+
+        Reviewed by Filip Pizlo.
+
+        * bmalloc/AsyncTask.h:
+        (bmalloc::Function>::threadEntryPoint): Request user-interactive quality
+        of service because user-interactive tasks use malloc.
+
+2016-10-20  Mark Lam  <ma...@apple.com>
+
+        bmalloc api should crash on failure to allocate when !isBmallocEnabled.
+        https://bugs.webkit.org/show_bug.cgi?id=163766
+
+        Reviewed by Keith Miller and Filip Pizlo.
+
+        We want to crash in bmalloc on failure to allocate even when !isBmallocEnabled.
+        This is so that failures to allocate memory will manifest as crashes with a
+        unique signature (i.e. as a SIGTRAP on release builds, or as a write to illegal
+        address 0xbbadbeef on debug builds) and the crash will manifest inside bmalloc.
+        This distinguishes allocation failures from other crashing bugs that manifest as
+        SIGSEGVs due to random pointer dereferences in the clients of bmalloc.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocateImpl):
+        (bmalloc::Allocator::reallocate):
+        (bmalloc::Allocator::allocateSlowCase):
+
+2016-09-26  Yoshiaki Jitsukawa  <Yo...@sony.com>
+
+        Avoid implicit conversion from iterator to pointer
+        https://bugs.webkit.org/show_bug.cgi?id=162482
+
+        Reviewed by Geoffrey Garen.
+
+        Not every STL supporting such conversion, we should get a pointer explicitly.
+
+        * bmalloc/Chunk.h:
+        (bmalloc::Chunk::lines):
+        (bmalloc::Chunk::pages):
+        * bmalloc/FixedVector.h:
+        (bmalloc::FixedVector::begin):
+
+2016-08-31  Filip Pizlo  <fp...@apple.com>
+
+        Butterflies should be allocated in Auxiliary MarkedSpace instead of CopiedSpace and we should rewrite as much of the GC as needed to make this not a regression
+        https://bugs.webkit.org/show_bug.cgi?id=160125
+
+        Reviewed by Geoffrey Garen and Keith Miller.
+        
+        I needed to tryMemalign, so I added such a thing.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocate):
+        (bmalloc::Allocator::tryAllocate):
+        (bmalloc::Allocator::allocateImpl):
+        * bmalloc/Allocator.h:
+        * bmalloc/Cache.h:
+        (bmalloc::Cache::tryAllocate):
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::tryMemalign):
+
+2016-08-30  Yusuke Suzuki  <ut...@gmail.com>
+
+        Unreviewed, build fix for GCC ports
+
+        std::forward is declared in <utility> header.
+
+        * bmalloc/ScopeExit.h:
+
+2016-08-30  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: speed up the lock slow path
+        https://bugs.webkit.org/show_bug.cgi?id=161058
+
+        Unreviewed roll-in - with regression fixed.
+
+        Revert to using yield() instead of swtch() because very low priority
+        background tasks can cause priority inversion and deadlock. In the
+        network process, that happened with com.apple.WebKit.Cache.Storage.serialBackground.
+
+        Still a big speedup on MallocBench.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/ScopeExit.h: Added.
+        (bmalloc::ScopeExit::ScopeExit):
+        (bmalloc::ScopeExit::~ScopeExit):
+        (bmalloc::makeScopeExit):
+        * bmalloc/StaticMutex.cpp:
+        (bmalloc::StaticMutex::lockSlowCase):
+        * bmalloc/StaticMutex.h:
+        (bmalloc::StaticMutex::init):
+
+2016-08-26  Geoffrey Garen  <gg...@apple.com>
+
+        Unreviewed build fix.
+
+        Fix the CMake build.
+
+        * CMakeLists.txt:
+
+2016-08-26  Geoffrey Garen  <gg...@apple.com>
+
+        Renamed XLarge* => Large*
+        https://bugs.webkit.org/show_bug.cgi?id=161261
+
+        Reviewed by Andreas Kling.
+
+        XLarge is not a thing anymore: We just have Small and Large.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::splitAndAllocate):
+        (bmalloc::Heap::tryAllocateLarge):
+        (bmalloc::Heap::shrinkLarge):
+        (bmalloc::Heap::deallocateLarge):
+        * bmalloc/Heap.h:
+        * bmalloc/LargeMap.cpp: Copied from Source/bmalloc/bmalloc/XLargeMap.cpp.
+        (bmalloc::LargeMap::remove):
+        (bmalloc::LargeMap::add):
+        (bmalloc::XLargeMap::remove): Deleted.
+        (bmalloc::XLargeMap::add): Deleted.
+        * bmalloc/LargeMap.h: Copied from Source/bmalloc/bmalloc/XLargeMap.h.
+        (bmalloc::LargeMap::ranges):
+        (bmalloc::XLargeMap::ranges): Deleted.
+        * bmalloc/LargeRange.h: Copied from Source/bmalloc/bmalloc/XLargeRange.h.
+        (bmalloc::LargeRange::LargeRange):
+        (bmalloc::LargeRange::operator<):
+        (bmalloc::canMerge):
+        (bmalloc::merge):
+        (bmalloc::LargeRange::split):
+        (bmalloc::XLargeRange::XLargeRange): Deleted.
+        (bmalloc::XLargeRange::operator<): Deleted.
+        (bmalloc::XLargeRange::split): Deleted.
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::tryAllocateLargeChunk):
+        * bmalloc/VMHeap.h:
+        * bmalloc/XLargeMap.cpp: Removed.
+        * bmalloc/XLargeMap.h: Removed.
+        * bmalloc/XLargeRange.h: Removed.
+
+2016-08-26  Gavin Barraclough  <ba...@apple.com>
+
+        bmalloc: speed up the lock slow path
+        https://bugs.webkit.org/show_bug.cgi?id=161058
+
+        Unreviewed rollout - this caused regressions <rdar://problem/28026089>.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/ScopeExit.h: Removed.
+        * bmalloc/StaticMutex.cpp:
+        (bmalloc::StaticMutex::lockSlowCase):
+        * bmalloc/StaticMutex.h:
+        (bmalloc::StaticMutex::init):
+        * bmalloc/ThreadSwitch.h: Removed.
+
+2016-08-24  Andreas Kling  <ak...@apple.com>
+
+        Add bmalloc::api::isEnabled().
+        <https://webkit.org/b/160534>
+
+        Reviewed by Joseph Pecoraro.
+
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::isEnabled):
+
+2016-08-24  Filip Pizlo  <fp...@apple.com>
+
+        Unreviewed, roll out r204901, r204897, r204866, r204856, r204854.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocate):
+        (bmalloc::Allocator::tryAllocate): Deleted.
+        (bmalloc::Allocator::allocateImpl): Deleted.
+        * bmalloc/Allocator.h:
+        * bmalloc/Cache.h:
+        (bmalloc::Cache::tryAllocate): Deleted.
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::tryMemalign): Deleted.
+
+2016-08-12  Filip Pizlo  <fp...@apple.com>
+
+        Butterflies should be allocated in Auxiliary MarkedSpace instead of CopiedSpace and we should rewrite as much of the GC as needed to make this not a regression
+        https://bugs.webkit.org/show_bug.cgi?id=160125
+
+        Reviewed by Geoffrey Garen.
+        
+        I needed to tryMemalign, so I added such a thing.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocate):
+        (bmalloc::Allocator::tryAllocate):
+        (bmalloc::Allocator::allocateImpl):
+        (bmalloc::Allocator::reallocate):
+        * bmalloc/Allocator.h:
+        * bmalloc/Cache.h:
+        (bmalloc::Cache::allocate):
+        (bmalloc::Cache::tryAllocate):
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::malloc):
+        (bmalloc::api::tryMemalign):
+        (bmalloc::api::memalign):
+
+2016-08-22  Yusuke Suzuki  <ut...@gmail.com>
+
+        Unreviewed, build fix on GCC environment
+        https://bugs.webkit.org/show_bug.cgi?id=161058
+
+        std::forward is declared in <utility> header.
+
+        * bmalloc/ScopeExit.h:
+
+2016-08-22  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: speed up the lock slow path
+        https://bugs.webkit.org/show_bug.cgi?id=161058
+
+        Reviewed by Filip Pizlo.
+
+        It is generally accepted practice that a lock should yield instead of
+        spinning when a lock acquisition fails, to avoid wasting CPU and power.
+
+        There are two problems with this generally accepted practice:
+
+        (1) It's a fallacy that yielding is free. In reality, yielding itself
+        consumes CPU and power -- by performing a syscall, running the OS
+        scheduler, and possibly performing a context switch. (Instruments
+        traces of MallocBench show the cost of yielding.) Therefore, spinning a
+        little to avoid yielding can actually *save* CPU and power.
+
+        (2) std::this_thread_yield() on Darwin is way too aggressive: It not only
+        yields but also depresses your priority to absolute zero for 10ms. A
+        recent PLT trace showed a few spots where the main thread just gave up
+        on loading and rendering a page for 10ms so an unimportant background
+        task could run.
+
+        To correct these problems, this patch adds a little bit of spinning to
+        the bmalloc lock slow path.
+
+        Below are performance results on various CPUs.
+
+        Mac Pro (12 hyperthreaded cores = 24 threads):
+
+                                                            Baseline                       Patch                           Δ
+            Execution Time:
+                message_one                                    173ms                       173ms                            
+                message_many                                   953ms                       927ms              ^ 1.03x faster
+                churn --parallel                                60ms                        41ms              ^ 1.46x faster
+                list_allocate --parallel                       224ms                       143ms              ^ 1.57x faster
+                tree_allocate --parallel                     1,190ms                       758ms              ^ 1.57x faster
+                tree_churn --parallel                        1,517ms                       906ms              ^ 1.67x faster
+                facebook --parallel                          6,519ms                     4,580ms              ^ 1.42x faster
+                reddit --parallel                            5,097ms                     3,411ms              ^ 1.49x faster
+                flickr --parallel                            4,903ms                     3,501ms               ^ 1.4x faster
+                theverge --parallel                          6,641ms                     4,505ms              ^ 1.47x faster
+
+                <geometric mean>                             1,158ms                       832ms              ^ 1.39x faster
+                <arithmetic mean>                            2,728ms                     1,895ms              ^ 1.44x faster
+                <harmonic mean>                                332ms                       240ms              ^ 1.38x faster
+
+        MacBook Air (2 hyperthreaded cores = 4 threads):
+
+                                                            Baseline                       Patch                           Δ
+            Execution Time:
+                message_one                                    911ms                       907ms               ^ 1.0x faster
+                message_many                                   515ms                       513ms               ^ 1.0x faster
+                churn --parallel                               132ms                       134ms              ! 1.02x slower
+                list_allocate --parallel                       104ms                       102ms              ^ 1.02x faster
+                tree_allocate --parallel                       117ms                       111ms              ^ 1.05x faster
+                tree_churn --parallel                          154ms                       151ms              ^ 1.02x faster
+                facebook --parallel                            719ms                       687ms              ^ 1.05x faster
+                reddit --parallel                              382ms                       341ms              ^ 1.12x faster
+                flickr --parallel                              372ms                       345ms              ^ 1.08x faster
+                theverge --parallel                            489ms                       444ms               ^ 1.1x faster
+
+                <geometric mean>                               299ms                       287ms              ^ 1.04x faster
+                <arithmetic mean>                              390ms                       374ms              ^ 1.04x faster
+                <harmonic mean>                                227ms                       220ms              ^ 1.03x faster
+
+        iPad (2 cores = 2 threads):
+
+            [ Doesn't run Ruby, so no pretty subtest output. ]
+
+                                                            Baseline                       Patch                           Δ
+            Execution Time:                                 174.14ms                     171.5ms              ^ 1.02x faster
+
+        * bmalloc.xcodeproj/project.pbxproj:
+
+        * bmalloc/ScopeExit.h: Added. A barebones very wimpy version of
+        WTF::ScopeExit.
+        (bmalloc::ScopeExit::ScopeExit):
+        (bmalloc::ScopeExit::~ScopeExit):
+        (bmalloc::makeScopeExit):
+
+        * bmalloc/StaticMutex.cpp:
+        (bmalloc::StaticMutex::lockSlowCase): Spin before yielding -- that's the
+        speedup. Don't spin if another CPU is already spinning. In theory, more
+        than one spinner accomplishes nothing, and I found that there's a cutoff
+        around 8 or 16 spinners that becomes performance negative on Mac Pro.
+
+        (Note: Another way to accomplish a similar result, if you don't want to
+        use a bit of state in the lock, is to spin for a random duration between
+        0 and aLot. I tested a version of WTF::WeakRandom with unsynchronized
+        static state and it worked great. But I ultimately opted for the explicit
+        bit because I thought it was clearer.)
+
+        * bmalloc/StaticMutex.h:
+        (bmalloc::StaticMutex::init): Initialize our new bit.
+
+        * bmalloc/ThreadSwitch.h: Added.
+        (bmalloc::threadSwitch): Don't call yield() on Darwin because it's too
+        aggressive. swtch() does what we want: Go run something else, without
+        any other side-effects.
+
+2016-08-03  Geoffrey Garen  <gg...@apple.com>
+
+        [bmalloc] Merging of XLargeRanges can leak the upper range
+        https://bugs.webkit.org/show_bug.cgi?id=160403
+
+        Reviewed by Michael Saboff.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::scavengeLargeObjects): Don't use removePhysical().
+        Recorded physical size is a performance optimization. It is not the
+        truth. So it might be zero even if a range contains physical pages.
+
+        Instead, iterate each range in the map unconditionally.
+
+        The map can shrink when we release the lock, so we must clamp our
+        iterator each time through the loop.
+
+        The map can grow when we release the lock, but we don't care because
+        growth restarts the scavenger from the beginning.
+
+        * bmalloc/XLargeMap.cpp:
+        (bmalloc::XLargeMap::removePhysical): Deleted. Not used anymore.
+
+        * bmalloc/XLargeMap.h:
+        (bmalloc::XLargeMap::ranges): Added direct access for the sake of
+        scavengeLargeObjects. (This violates our naming conventions -- I'll do
+        a rename in a follow-up patch.)
+
+2016-07-13  Enrica Casucci  <en...@apple.com>
+
+        Update supported platforms in xcconfig files to match the sdk names.
+        https://bugs.webkit.org/show_bug.cgi?id=159728
+
+        Reviewed by Tim Horton.
+
+        * Configurations/Base.xcconfig:
+
+2016-07-11  Geoffrey Garen  <gg...@apple.com>
+
+        Crash due to abort() calling libc++.1.dylib: std::__1::thread::detach()
+        https://bugs.webkit.org/show_bug.cgi?id=159655
+
+        Reviewed by Sam Weinig.
+
+        It's not entirely clear what was happening in these crashes, but our
+        use of detach() was 100% forward-looking, so we can just remove it for
+        now.
+
+        This patch removes the ability for the scavenger owner to die before
+        the scavenger thread dies (which was unused) and also removes the
+        ability for the scavenger thread to exit (which was used, but we
+        messed up and did thread joining lazily, so we never got any benefit
+        from thread exit.)
+
+        We can add these features back when we need them, and make them work then.
+
+        * bmalloc/AsyncTask.h:
+        (bmalloc::Function>::AsyncTask): We start out in the running state now
+        because we know that starting our thread will run it.
+
+        (bmalloc::Function>::~AsyncTask): We don't support destruction anymore.
+
+        (bmalloc::Function>::runSlowCase): I removed the Exited state.
+
+        (bmalloc::Function>::threadRunLoop): I removed the Exited and
+        ExitRequested states.
+
+        * bmalloc/Heap.h:
+
+        * bmalloc/VMHeap.h:
+
+2016-06-12  David Kilzer  <dd...@apple.com>
+
+        Crash in com.apple.WebKit.WebContent at std::__1::__call_once_proxy<std::__1::tuple<CrashReporterSupportLibrary()::$_0&&> >
+        <https://webkit.org/b/158660>
+        <rdar://problem/25652686>
+
+        Reviewed by Darin Adler.
+
+        * bmalloc/Logging.cpp: Switch to use
+        BSOFT_LINK_PRIVATE_FRAMEWORK() to link
+        CrashReporterSupport.framework.
+        * bmalloc/darwin/BSoftLinking.h:
+        (BSOFT_LINK_PRIVATE_FRAMEWORK): Rename from BSOFT_LINK_FRAMEWORK.
+        Switch to use /System/Library/PrivateFrameworks/.
+
+2016-06-11  David Kilzer  <dd...@apple.com>
+
+        Implement logging for RELEASE_BASSERT_WITH_MESSAGE() in BAssert.h
+        <http://webkit.org/b/155992>
+
+        Reviewed by Geoff Garen.
+
+        * bmalloc/BAssert.h:
+        (BLOG_ERROR): Add method to always log error messages.
+        (RELEASE_BASSERT_WITH_MESSAGE): Use BLOG_ERROR() to implement
+        logging in Debug builds.
+        * bmalloc/BPlatform.h:
+        (BPLATFORM_MAC): Add.
+        (BUSE): Add BUSE() macro.
+        (BATTRIBUTE_PRINTF): Add.
+        (BUSE_OS_LOG): Add.
+        * bmalloc/Logging.cpp:
+        (bmalloc::reportAssertionFailureWithMessage): Add.  Logs to
+        stderr.
+        * bmalloc/Logging.h:
+        (bmalloc::reportAssertionFailureWithMessage): Add declaration.
+
+2016-06-07  Pranjal Jumde  <pj...@apple.com>
+
+        Prevents integer overflow in Vector.h
+        https://bugs.webkit.org/show_bug.cgi?id=158455
+        <rdar://problem/20235469>
+
+        Reviewed by Mark Lam.
+
+        * bmalloc/Vector.h:
+        (bmalloc::Vector<T>::reallocateBuffer):
+
+2016-05-27  Konstantin Tokarev  <an...@yandex.ru>
+
+        [cmake] Deduplicated bmalloc/Zone.cpp handling.
+        https://bugs.webkit.org/show_bug.cgi?id=158154
+
+        Reviewed by Alex Christensen.
+
+        File bmalloc/Zone.cpp is required on Darwin irrespectively from what
+        port is being built.
+
+        Also I removed WEBKIT_INCLUDE_CONFIG_FILES_IF_EXISTS() because it's
+        unlikely that bmalloc will ever need port-specific customizations (as
+        opposed to OS-specific customizations which should be done in
+        CMakeLists.txt).
+
+        * CMakeLists.txt: Added bmalloc/Zone.cpp for Darwin.
+        * PlatformGTK.cmake: Removed.
+        * PlatformMac.cmake: Removed.
+
+2016-05-22  Brady Eidson  <be...@apple.com>
+
+        Move to C++14.
+        https://bugs.webkit.org/show_bug.cgi?id=157948
+
+        Reviewed by Michael Catanzaro.
+
+        * Configurations/Base.xcconfig:
+
+2016-05-17  Geoffrey Garen  <gg...@apple.com>
+
+        REGRESSION: JetStream crashes on some iPhones
+        https://bugs.webkit.org/show_bug.cgi?id=157814
+
+        Reviewed by Michael Saboff.
+
+        * bmalloc/Sizes.h: Reduce smallMax to 32kB. 
+
+        Previous justification for 64kB was:
+
+            * bmalloc/Sizes.h: Upped smallMax to 64kB. Upping to 32kB is pretty
+            reasonable, since sizes between 16kB and 32kB share page sizes. I went
+            all the way up to 64kB because the GC uses 64kB blocks, and also just
+            for extra padding to ensure that large allocations are indeed rare.
+
+        It turns out that the bump to 64kB substantially increases our memory
+        high water mark on JetStream, leading to jetsam crashes. Also, there
+        doesn't seem to be a practical performance problem to putting objects in
+        the (32kB - 64kB) range in the large allocator.
+
+2016-05-16  Geoffrey Garen  <gg...@apple.com>
+
+        REGRESSION (200035): changes in "WebKit Malloc" VM regions are causing 'leaks' to spew "Failed to map remote region" messages
+        https://bugs.webkit.org/show_bug.cgi?id=157764
+
+        Reviewed by Gavin Barraclough.
+
+        We need to allow for guard pages and only report unguarded pages to the
+        leaks tool -- otherwise, it will try to remote map our guarded pages,
+        and crash.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::tryAllocateLargeChunk):
+        (bmalloc::VMHeap::allocateSmallChunk): Adopt the new API for reporting
+        a range instead of a Chunk*, and report the unguarded range.
+
+        This also fixes a separate bug -- very large allocations would not
+        fully participate in pointer scanning because they would only report 2MB
+        (chunkSize) in size. This could cause false-positive leak reports.
+
+        * bmalloc/Zone.cpp:
+        (bmalloc::enumerator): Updated to scan ranges instead of fixed-sized
+        Chunk pointers.
+
+        * bmalloc/Zone.h:
+        (bmalloc::Zone::ranges):
+        (bmalloc::Zone::addRange): Store ranges instead of fixed-sized Chunk 
+        pointers because our VM ranges have variable sizes -- both due to guard
+        pages and due to large allocations.
+
+        (bmalloc::Zone::chunks): Deleted.
+        (bmalloc::Zone::addChunk): Deleted.
+
+2016-05-10  David Kilzer  <dd...@apple.com>
+
+        bmalloc should automatically disable itself when ThreadSanitizer is used
+        <https://webkit.org/b/157527>
+
+        Reviewed by Michael Catanzaro.
+
+        * bmalloc/Environment.cpp:
+        (bmalloc::isASanEnabled): Rename to isSanitizerEnabled.
+        (bmalloc::isSanitizerEnabled): Rename from isASanEnabled. Add
+        support for detecting ThreadSanitizer.
+        (bmalloc::Environment::computeIsBmallocEnabled): Switch from
+        isASanEnabled to isSanitizerEnabled.
+
+2016-05-03  Geoffrey Garen  <gg...@apple.com>
+
+        Assertion failure in bmalloc::vmRevokePermissions(void*, unsigned long).
+        https://bugs.webkit.org/show_bug.cgi?id=157047
+
+        Reviewed by Filip Pizlo.
+
+        Renamed roundUpToMultipleOfSloppy => roundUpToMultipleOfNonPowerOfTwo.
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::roundUpToMultipleOfNonPowerOfTwo):
+        (bmalloc::roundUpToMultipleOfSloppy): Deleted.
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateSmallChunk):
+
+2016-05-03  Geoffrey Garen  <gg...@apple.com>
+
+        Assertion failure in bmalloc::vmRevokePermissions(void*, unsigned long).
+        https://bugs.webkit.org/show_bug.cgi?id=157047
+
+        Reviewed by Filip Pizlo.
+
+        The previous fix aligned the guard page sizes correctly but forgot to
+        align the guard page start address correctly.
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::roundUpToMultipleOfSloppy): Use a new helper method to round
+        up when not working with a power of two, instead of writing out the
+        math by hand.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateSmallChunk): Make sure to round up the guard
+        page start address in addition to its size. Assert at the very end to
+        try to catch more bugs.
+
+2016-04-27  Geoffrey Garen  <gg...@apple.com>
+
+        Assertion failure in bmalloc::vmRevokePermissions(void*, unsigned long).
+        https://bugs.webkit.org/show_bug.cgi?id=157047
+
+        Reviewed by Darin Adler.
+
+        * bmalloc/Chunk.h:
+        (bmalloc::Chunk::Chunk):
+        (bmalloc::Chunk::get):
+        (bmalloc::Chunk::offset):
+        (bmalloc::Chunk::address):
+        (bmalloc::Object::Object):
+        (bmalloc::Object::address):
+        (bmalloc::Object::line):
+        (bmalloc::Chunk::object): Deleted.
+        (bmalloc::Object::begin): Deleted.
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateSmallBumpRangesByObject):
+        * bmalloc/Object.h:
+        (bmalloc::Object::chunk):
+        (bmalloc::Object::offset): Renamed begin() to address() because this is
+        not an iterator.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateSmallChunk): Round up pageSize to a vmPageSize
+        multiple because pageSize might be smaller than vmPageSize, but we
+        think the VM system requires vmPageSize-aligned values.
+
+2016-04-25  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: vm allocations should plant guard pages
+        https://bugs.webkit.org/show_bug.cgi?id=156937
+
+        Rolling back in r199936 with a fix for the memory regression.
+
+2016-04-23  Gavin Barraclough  <ba...@apple.com>
+
+        bmalloc: vm allocations should plant guard pages
+        https://bugs.webkit.org/show_bug.cgi?id=156937
+
+        Rolling out - looks like this is memory regression.
+
+        * bmalloc/Object.h:
+        (bmalloc::Object::operator+):
+        (bmalloc::Object::operator<=):
+        (bmalloc::Object::operator-): Deleted.
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmDeallocate):
+        (bmalloc::vmRevokePermissions): Deleted.
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateSmallChunk):
+
+2016-04-22  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: vm allocations should plant guard pages
+        https://bugs.webkit.org/show_bug.cgi?id=156937
+
+        Reviewed by Michael Saboff.
+
+        * bmalloc/Object.h:
+        (bmalloc::Object::operator-): Added a - helper.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmRevokePermissions): Added a helper to revoke permissions on
+        a VM region. We use this for guard pages.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateSmallChunk): Add guard pages to the start and
+        end of the chunk.
+
+        Note that we don't guard large chunks becuase we need to be able to merge
+        them. Otherwise, we will run out of virtual addresses.
+
+2016-04-22  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Constify introspect function pointer table
+        https://bugs.webkit.org/show_bug.cgi?id=156936
+
+        Reviewed by Michael Saboff.
+
+        * bmalloc/Zone.cpp:
+        (bmalloc::Zone::Zone): Declaring this function pointer table const puts
+        it in the read-only section of the binary, providing a little hardening
+        against overwriting the function pointers at runtime. (We have to
+        const_cast when assigning because the API declares a pointer to non-const,
+        but we happen to know it will never try to write through that pointer.
+        This is not my favorite API.)
+
+2016-04-19  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: fix up overflow checks
+        https://bugs.webkit.org/show_bug.cgi?id=156780
+
+        Reviewed by Mark Lam.
+
+        We used to try to avoid overflow in large object math by setting a very
+        high limit on the largest large object. But that's a bit error-prone
+        since the check is far away from the math that might overflow -- and
+        we were missing some cases.
+
+        This patch removes the limit and instead checks at each math site.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::tryAllocate):
+        (bmalloc::Allocator::allocate):
+        (bmalloc::Allocator::reallocate):
+        (bmalloc::Allocator::allocateSlowCase): Remove the limit. tryAllocateLarge
+        will check for overflow for us.
+
+        * bmalloc/Chunk.h: This ASSERT was just totally wrong.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::tryAllocateLarge): Check for overflow when adding.
+
+        * bmalloc/Sizes.h:
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::tryVMAllocate): Check for overflow when adding.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::tryAllocateLargeChunk): Check for overflow when adding.
+
+2016-04-19  Geoffrey Garen  <gg...@apple.com>
+
+        Unreviewed, try to fix an ASSERT seen on the bots.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::tryAllocateLarge): This ASSERT is supposed to be about
+        alignment, not size. Oops.
+
+2016-04-19  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Merge the large and xlarge allocators
+        https://bugs.webkit.org/show_bug.cgi?id=156734
+
+        Reviewed by Andreas Kling.
+
+        This give us better defense against worst case memory usage:
+
+                                              Baseline                Patch                    Δ
+            Peak Memory:
+                nimlang                      198,132kB            181,468kB      ^ 1.09x smaller
+
+        It also eliminates inline metadata for large objects, fixing the
+        regression introduced in r198675, and more:
+
+            run-malloc-benchmarks Baseline:~/OpenSource/WebKitBuildBaseline/Release/ Patch:~/OpenSource/WebKitBuild/Release/
+
+                                                                  Baseline                          Patch                              Δ
+            Memory at End:
+                big                                               10,880kB                        3,328kB                ^ 3.27x smaller
+                facebook                                           3,112kB                        2,868kB                ^ 1.09x smaller
+                fragment --parallel                                1,848kB                          760kB                ^ 2.43x smaller
+                fragment_iterate --parallel                        4,908kB                          776kB                ^ 6.32x smaller
+                big --parallel                                    48,076kB                       11,892kB                ^ 4.04x smaller
+
+        Overall memory use looks OK:
+
+            run-malloc-benchmarks --memory_warning Baseline:~/OpenSource/WebKitBuildBaseline/Release/ Patch:~/OpenSource/WebKitBuild/Release/
+
+                                                        Baseline                               Patch                                   Δ
+            Memory at End:
+                <arithmetic mean>                       13,992kB                            13,987kB                      ^ 1.0x smaller
+
+        Overall throughput looks OK:
+
+            run-malloc-benchmarks Baseline:~/OpenSource/WebKitBuildBaseline/Release/ Patch:~/OpenSource/WebKitBuild/Release/
+
+                                                                  Baseline                          Patch                              Δ
+            Execution Time:
+                <arithmetic mean>                                    103ms                          104ms                 ! 1.01x slower
+
+        We're a bit slower on the "all-out large allocations on all cores"
+        benchmark, but I think that's an OK price to pay:
+
+                                                                  Baseline                          Patch                              Δ
+            Execution Time:
+                big --parallel                                       125ms                          136ms                 ! 1.09x slower
+
+        This patch net removes 1.5k lines of code. It turns out that large
+        allocations are rare, and free memory fragments are also rare, so the
+        combination is super rare, and a simple O(n) algorithm that ensures good
+        memory behavior is the best option.
+
+        Fun fact: In practice, the odds that the old code would save memory
+        were *worse* than the odds that it would contain a bug that wasted
+        memory. :)
+
+        * bmalloc.xcodeproj/project.pbxproj:
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::tryAllocate): largeMax is the new xLargeMax since
+        xLargeMax is gone now.
+
+        (bmalloc::Allocator::allocate): I moved the rounding code into allocateLarge,
+        so we don't have to do it here.
+
+        (bmalloc::Allocator::reallocate):
+        (bmalloc::Allocator::allocateSlowCase):
+        (bmalloc::Allocator::allocateXLarge): Deleted. No more XLarge case.
+
+        * bmalloc/Allocator.h:
+
+        * bmalloc/BeginTag.h: Removed.
+        * bmalloc/BoundaryTag.h: Removed.
+
+        * bmalloc/Chunk.h:
+        (bmalloc::ChunkHash::hash): Added a hash function. The best hash function
+        is a unique and monotonically increasing integer, and that's exactly what
+        we typically get from the high bits of a Chunk, since the OS allocates
+        Chunks at unique and increasing addresses.
+        (bmalloc::Chunk::boundaryTags): Deleted.
+        (bmalloc::Chunk::objectType): Deleted.
+        (bmalloc::Chunk::beginTag): Deleted.
+        (bmalloc::Chunk::endTag): Deleted.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::deallocateSlowCase): We no longer know for sure,
+        by looking at its bit pattern, whether a pointer is small or large.
+        Instead, any pointer with large alignment *might* be large, and when
+        we occasionally encounter such an object, we have to consult a hash
+        table in the Heap to find out for sure. This turns out to be just as
+        cheap in practice.
+
+        We don't deallocate large objects on the fast path anymore. We can't,
+        because large objects have out-of-line metadata now.
+
+        (bmalloc::Deallocator::deallocateXLarge): Deleted.
+
+        * bmalloc/Deallocator.h:
+        (bmalloc::Deallocator::deallocateFastCase): See deallocateSlowCase.
+
+        * bmalloc/EndTag.h: Removed.
+        * bmalloc/FreeList.cpp: Removed.
+        * bmalloc/FreeList.h: Removed.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateSmallPage): Be sure to track each chunk in
+        the object type map, so we can distinguish small vs large objects.
+
+        (bmalloc::Heap::deallocateSmallLine): No need to check object type
+        because we know object type now by virtue of being on the small object
+        path.
+
+        (bmalloc::Heap::splitAndAllocate): Be sure to track each chunk in
+        the object type map, so we can distinguish small vs large objects. Large
+        objects can split across chunks, so we need to add each large object's
+        chunk as it is allocated.
+
+        (bmalloc::Heap::tryAllocateLarge):
+        (bmalloc::Heap::allocateLarge):
+        (bmalloc::Heap::isLarge):
+        (bmalloc::Heap::largeSize):
+        (bmalloc::Heap::shrinkLarge):
+        (bmalloc::Heap::deallocateLarge): Merged in existing XLarge logic for
+        large objects.
+
+        (bmalloc::Heap::scavengeXLargeObjects): Deleted.
+        (bmalloc::Heap::allocateXLarge): Deleted.
+        (bmalloc::Heap::tryAllocateXLarge): Deleted.
+        (bmalloc::Heap::xLargeSize): Deleted.
+        (bmalloc::Heap::shrinkXLarge): Deleted.
+        (bmalloc::Heap::deallocateXLarge): Deleted.
+
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::LargeObjectHash::hash):
+
+        * bmalloc/LargeObject.h: Removed.
+
+        * bmalloc/Map.h: Added.
+        (bmalloc::Map::size):
+        (bmalloc::Map::capacity):
+        (bmalloc::Map::get):
+        (bmalloc::Map::set):
+        (bmalloc::Map::remove):
+        (bmalloc::Map::shouldGrow):
+        (bmalloc::Map::shouldShrink):
+        (bmalloc::Map::find):
+        (bmalloc::Hash>::rehash): Simple hash table.
+
+        * bmalloc/Object.h:
+
+        * bmalloc/ObjectType.cpp:
+        (bmalloc::objectType):
+        * bmalloc/ObjectType.h:
+        (bmalloc::mightBeLarge): See deallocateSlowCase.
+        (bmalloc::isXLarge): Deleted.
+
+        * bmalloc/SegregatedFreeList.cpp: Removed.
+        * bmalloc/SegregatedFreeList.h: Removed.
+
+        * bmalloc/Sizes.h: Upped smallMax to 64kB. Upping to 32kB is pretty
+        reasonable, since sizes between 16kB and 32kB share page sizes. I went
+        all the way up to 64kB because the GC uses 64kB blocks, and also just
+        for extra padding to ensure that large allocations are indeed rare.
+
+        * bmalloc/SortedVector.h: Removed.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::tryAllocateLargeChunk):
+        (bmalloc::VMHeap::allocateSmallChunk):
+        (bmalloc::VMHeap::VMHeap): Deleted.
+        (bmalloc::VMHeap::allocateChunk): Deleted.
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::deallocateSmallPage):
+        (bmalloc::VMHeap::allocateLargeObject): Deleted.
+        (bmalloc::VMHeap::deallocateLargeObject): Deleted. Nixed all the boundary
+        tag logic since metadata is out of line now.
+
+        * bmalloc/VMState.h: Removed. Instead of an abstract state, we track
+        the precise amount of committed physical pages at the head of a VM
+        range. This allows us to merge aggressively without triggering an madvise
+        storm most of the time.
+
+        * bmalloc/Vector.h:
+        (bmalloc::Vector<T>::Vector):
+        (bmalloc::Vector<T>::insert):
+        (bmalloc::Vector<T>::remove):
+        (bmalloc::Vector<T>::resize): Filled out some missing helpers.
+
+        * bmalloc/XLargeMap.cpp:
+        (bmalloc::XLargeMap::remove):
+        (bmalloc::XLargeMap::add):
+        (bmalloc::XLargeMap::removePhysical):
+        (bmalloc::XLargeMap::takeFree): Deleted.
+        (bmalloc::XLargeMap::addFree): Deleted.
+        (bmalloc::XLargeMap::addAllocated): Deleted.
+        (bmalloc::XLargeMap::getAllocated): Deleted.
+        (bmalloc::XLargeMap::takeAllocated): Deleted.
+        (bmalloc::XLargeMap::shrinkToFit): Deleted.
+        (bmalloc::XLargeMap::takePhysical): Deleted.
+        (bmalloc::XLargeMap::addVirtual): Deleted.
+        * bmalloc/XLargeMap.h:
+        (bmalloc::XLargeMap::Allocation::operator<): Deleted. We don't track
+        object sizes anymore -- just free space. (The Heap tracks object sizes.)
+        We use plain old linear search for free space. (See intro.)
+
+        * bmalloc/XLargeRange.h:
+        (bmalloc::XLargeRange::physicalSize):
+        (bmalloc::XLargeRange::setPhysicalSize):
+        (bmalloc::merge):
+        (bmalloc::XLargeRange::split):
+        (bmalloc::XLargeRange::vmState): Deleted.
+        (bmalloc::XLargeRange::setVMState): Deleted. See VMState.h.
+
+2016-04-11  Fujii Hironori  <Hi...@jp.sony.com>
+
+        [CMake] Make FOLDER property INHERITED
+        https://bugs.webkit.org/show_bug.cgi?id=156460
+
+        Reviewed by Brent Fulgham.
+
+        * CMakeLists.txt:
+        Set FOLDER property as a directory property not a target property
+
+2016-04-08  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: stress_aligned test fails if you increase smallMax
+        https://bugs.webkit.org/show_bug.cgi?id=156414
+
+        Reviewed by Oliver Hunt.
+
+        When size exceeds alignment and is a multiple of alignment and is not
+        a power of two, such as 24kB with 8kB alignment, the small allocator
+        did not always guarantee alignment. Let's fix that.
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::divideRoundingUp): Math is hard.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocate): Align to the page size unconditionally.
+        Even if the page size is not a power of two, it might be a multiple of
+        a power of two, and we want alignment to that smaller power of two to
+        be guaranteed.
+
+2016-04-06  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: handle aligned allocations on the fast path
+        https://bugs.webkit.org/show_bug.cgi?id=156302
+
+        Reviewed by Michael Saboff.
+
+        This helps keep the JavaScriptCore GC on the fast path, and it also
+        helps avoid fragmentation on our website stress test:
+
+            nimlang                      209,584kB            198,076kB      ^ 1.06x smaller
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocate): Because we arrange for power-of-two size
+        classes to allocate at power-of-two alignments, we can allocate any
+        small aligned request on the small path.
+
+        * bmalloc/Chunk.h:
+        (bmalloc::Chunk::bytes):
+        (bmalloc::Chunk::lines):
+        (bmalloc::Chunk::pages):
+        (bmalloc::Chunk::boundaryTags):
+        (bmalloc::Chunk::objectType): Moved some code around to provide better
+        API.
+
+        (bmalloc::Chunk::Chunk): Moved this code to VMHeap.
+
+        (bmalloc::Chunk::offset):
+        (bmalloc::Chunk::object): Use our new bytes() helper function.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateChunk): Moved code here from Chunk.
+
+        (bmalloc::VMHeap::allocateSmallChunk): Ensure that power-of-two page
+        sizes always begin allocation at the same alignment. Power-of-two object
+        sizes always request power-of-two page sizes (since that's the least
+        wasteful option), so if we also ensure that power-of-two page sizes get
+        power-of-two alignment, then everything is aligned for all small objects.
+
+2016-04-03  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: segregate small and large objects again, and allocate more objects on the small path
+        https://bugs.webkit.org/show_bug.cgi?id=156152
+
+        Reviewed by Sam Weinig.
+
+        Microbenchmark data suggested that it was a good idea for small and large
+        objects to share memory. But r198675 did not improve memory use in
+        full browser benchmarks.
+
+        This patch reverts to segregating small and large objects -- but without
+        going back to doubled VM usage -- in order to capture a few benefits:
+
+        (*) Small pages fragment the large heap. Separating them out saves a lot
+        of memory in our worst case fragmentation recording:
+
+            nimlang                                          276,076kB                      209,636kB                ^ 1.32x smaller
+
+        (*) Small objects are common enough that even their slow paths benefit 
+        from simpler code:
+
+        Execution Time:
+            ...
+            facebook                                             234ms                          216ms                 ^ 1.08x faster
+            reddit                                               114ms                          108ms                 ^ 1.06x faster
+            flickr                                               118ms                          111ms                 ^ 1.06x faster
+            theverge                                             146ms                          140ms                 ^ 1.04x faster
+            ...
+            <arithmetic mean>                                    107ms                          102ms                 ^ 1.04x faster
+
+        (*) We can use less metadata:
+
+        Memory at End:
+            ...
+            list_allocate                                        460kB                          384kB                 ^ 1.2x smaller
+            tree_allocate                                        492kB                          424kB                ^ 1.16x smaller
+            tree_churn                                           480kB                          404kB                ^ 1.19x smaller
+            fragment                                             532kB                          452kB                ^ 1.18x smaller
+            fragment_iterate                                     712kB                          588kB                ^ 1.21x smaller
+            medium                                            15,152kB                       11,796kB                ^ 1.28x smaller
+            big                                               15,044kB                       10,976kB                ^ 1.37x smaller
+            ...
+            <arithmetic mean>                                  7,724kB                        7,190kB                ^ 1.07x smaller
+
+        This patch also takes advantage of our support for varying the page size
+        at runtime by allocating more objects on the small object path:
+
+            medium                                               178ms                          150ms                 ^ 1.19x faster
+
+        Some microbenchmarks report memory use increases from this change -- like
+        they reported memory use decreases from r198675 -- but I'm ignoring them
+        for now because I expect our full browser memory benchmarks to confirm
+        that this patch is fine.
+
+        * bmalloc/BumpAllocator.h:
+        (bmalloc::BumpAllocator::BumpAllocator): Use a full unsigned because we
+        can allocate objects larger than 16kB - 1, and a full unsigned does not
+        make BumpAllocator any larger on 64bit systems.
+
+        * bmalloc/Chunk.h:
+        (bmalloc::Chunk::begin):
+        (bmalloc::Chunk::end):
+        (bmalloc::Chunk::size):
+        (bmalloc::Chunk::objectType): Store ObjectType in the Chunk, since it only
+        varies by Chunk now, and not from page to page within a Chunk. Also,
+        union together small and large object metadata, since we will only use
+        one or the other. This saves memory.
+
+        (bmalloc::Chunk::Chunk): Conditionalize initialization based on object
+        type, since only one kind of metadata or the other can be used at runtime.
+
+        (bmalloc::Object::Object):
+        (bmalloc::Object::begin):
+        (bmalloc::SmallPage::end): Deleted.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+        (bmalloc::Heap::initializeLineMetadata): Save a little space, since we
+        know that lines are only 256 bytes long.
+
+        (bmalloc::Heap::initializePageMetadata): Store a dynamic page size for
+        each size class. We used to use only one page size (the system page size)
+        but that limited our ability to allocate objects larger than 1kB on the
+        small object path. Now we can handle any object size we want by storing
+        objects of that size in a custom page size.
+
+        (bmalloc::Heap::concurrentScavenge):
+        (bmalloc::Heap::scavenge):
+        (bmalloc::Heap::scavengeSmallPages): Revert to our old linked list
+        strategy for storing small pages.
+
+        (bmalloc::Heap::splitAndAllocate): Object type is per Chunk now.
+
+        (bmalloc::Heap::allocateLarge): Don't nuke the small page list when
+        allocating a large object because the two don't share memory anymore.
+
+        (bmalloc::Heap::allocateSmallPage): Revert to our old linked list
+        strategy for storing small pages.
+
+        (bmalloc::Heap::deallocateSmallLine): Don't return early in the case
+        where this is the first free object in the page. In the case of large-ish
+        objects, the first free object might also be the last free object,
+        since there's one object per page.
+
+        (bmalloc::Heap::allocateSmallBumpRangesByMetadata): Split out some helper
+        lambdas to make this code clearer.
+
+        (bmalloc::Heap::allocateSmallBumpRangesByObject): Added a fast scan
+        for objects larger than the line size. When multiple objects fit in
+        a single line, it's an optimization to scan a line at a time. But when
+        it's one object per line, or one object per 64 lines, it's better just
+        to scan an object at a time.
+
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::allocateSmallBumpRanges):
+        (bmalloc::Heap::derefSmallLine): Match the changes above.
+
+        * bmalloc/LineMetadata.h: We weren't using all those bits.
+
+        * bmalloc/List.h:
+        (bmalloc::List::remove): Put a removed Node fully back into the default
+        (empty) state it was in before it entered the list. This change is not
+        observable, but it makes things clearer when you're debugging.
+
+        * bmalloc/Object.h:
+        (bmalloc::Object::Object):
+        (bmalloc::Object::chunk):
+        (bmalloc::Object::offset):
+        (bmalloc::Object::operator+):
+        (bmalloc::Object::operator<=): Added some helpers for iterating by object.
+
+        * bmalloc/ObjectType.cpp:
+        (bmalloc::objectType): Updated for API change.
+
+        * bmalloc/Sizes.h:
+        (bmalloc::Sizes::maskObjectSize):
+        (bmalloc::Sizes::objectSize):
+        (bmalloc::Sizes::pageSize): Support more page sizes.
+
+        * bmalloc/SmallPage.h:
+        (bmalloc::SmallPage::SmallPage):
+        (bmalloc::SmallPage::objectType): Deleted.
+        (bmalloc::SmallPage::setObjectType): Deleted.
+        (bmalloc::SmallPage::smallPageCount): Deleted.
+        (bmalloc::SmallPage::setSmallPageCount): Deleted. Object type is per
+        Chunk now, and we can infer page count from size class.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateChunk):
+        (bmalloc::VMHeap::allocateSmallChunk):
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateSmallPage):
+        (bmalloc::VMHeap::deallocateSmallPage):
+        (bmalloc::VMHeap::allocateLargeObject): Support our old behavior of
+        storing free pages in linked lists.
+
+2016-03-29  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: support physical page sizes that don't match the virtual page size (take 2)
+        https://bugs.webkit.org/show_bug.cgi?id=156003
+
+        Reviewed by Andreas Kling.
+
+        This is a memory savings on iOS devices where the virtual page size
+        is 16kB but the physical page size is 4kB.
+
+        Take 1 was a memory regression on 16kB virtual / 16kB physical systems
+        because it used a 4kB page size within a 16kB page size, allowing up to
+        4 different object types to mix within a physical page. Because objects
+        of the same type tend to deallocate at the same time, mixing objects of
+        different types made pages less likely to become completely empty.
+
+        (Take 1 also had a bug where it used a platform #ifdef that didn't exist.
+        Oops.)
+
+        Take 2 allocates units of SmallPages equal to the physical page size.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+        (bmalloc::Heap::initializeLineMetadata):
+        (bmalloc::Heap::allocateSmallBumpRanges):
+        (bmalloc::Heap::allocateSmallPage):
+        (bmalloc::Heap::allocateLarge):
+        (bmalloc::Heap::splitAndAllocate):
+        (bmalloc::Heap::tryAllocateXLarge):
+        (bmalloc::Heap::shrinkXLarge):
+        * bmalloc/Heap.h: Use the physical page size for our VM operations because
+        we're only concerned with returning physical pages to the OS.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmPageSize):
+        (bmalloc::vmPageShift):
+        (bmalloc::vmSize):
+        (bmalloc::vmValidate):
+        (bmalloc::vmPageSizePhysical):
+        (bmalloc::vmValidatePhysical):
+        (bmalloc::tryVMAllocate):
+        (bmalloc::vmDeallocatePhysicalPages):
+        (bmalloc::vmAllocatePhysicalPages):
+        (bmalloc::vmDeallocatePhysicalPagesSloppy):
+        (bmalloc::vmAllocatePhysicalPagesSloppy): Use the physical page size.
+
+2016-03-29  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: page size should be configurable at runtime
+        https://bugs.webkit.org/show_bug.cgi?id=155993
+
+        Reviewed by Andreas Kling.
+
+        This is a memory win on 32bit iOS devices, since their page sizes are
+        4kB and not 16kB.
+
+        It's also a step toward supporting 64bit iOS devices that have a
+        16kB/4kB virtual/physical page size split.
+
+        * bmalloc/Chunk.h: Align to largeAlignment since 2 * smallMax isn't
+        required by the boundary tag allocator.
+
+        (bmalloc::Chunk::page): Account for the slide when accessing a page.
+        Each SmallPage hashes 4kB of memory. When we want to allocate a region
+        of memory larger than 4kB, we store our metadata in the first SmallPage
+        in the region and we assign a slide to the remaining SmallPages, so
+        they forward to that first SmallPage when accessed.
+
+        NOTE: We could use a less flexible technique that just hashed by
+        vmPageSize() instead of 4kB at runtime, with no slide, but I think we'll
+        be able to use this slide technique to make even more page sizes
+        dynamically at runtime, which should save some memory and simplify
+        the allocator.
+
+        (bmalloc::SmallPage::begin): It's invalid to access a SmallPage with
+        a slide, since such SmallPages do not contain meaningful data.
+
+        (bmalloc::SmallPage::end): Account for smallPageCount when computing
+        the size of a page.
+
+        (bmalloc::Chunk::pageBegin): Deleted.
+        (bmalloc::Chunk::pageEnd): Deleted.
+        (bmalloc::Object::pageBegin): Deleted.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap): Cache vmPageSize because computing it might require
+        a syscall.
+
+        (bmalloc::Heap::initializeLineMetadata): Line metadata is a vector instead
+        of a 2D array because we don't know how much metadata we'll need until
+        we know the page size.
+
+        (bmalloc::Heap::scavengeSmallPage): Be sure to revert the slide when
+        deallocating a page. Otherwise, the next attempt to allocate the page
+        will slide when initializing it, sliding to nowhere.
+
+        (bmalloc::Heap::allocateSmallBumpRanges): Account for vector change to
+        line metadata.
+
+        (bmalloc::Heap::allocateSmallPage): Initialize slide and smallPageCount
+        since they aren't constant anymore.
+
+        (bmalloc::Heap::allocateLarge):
+        (bmalloc::Heap::splitAndAllocate):
+        (bmalloc::Heap::tryAllocateXLarge):
+        (bmalloc::Heap::shrinkXLarge): Adopt dynamic page size.
+
+        * bmalloc/Heap.h:
+
+        * bmalloc/Sizes.h: smallPageSize is no longer equal to the VM page
+        size -- it's just the smallest VM page size we're interested in supporting.
+
+        * bmalloc/SmallPage.h:
+        (bmalloc::SmallPage::slide):
+        (bmalloc::SmallPage::setSlide):
+        (bmalloc::SmallPage::smallPageCount):
+        (bmalloc::SmallPage::setSmallPageCount):
+        (bmalloc::SmallPage::ref):
+        (bmalloc::SmallPage::deref): Support slide and small page count as
+        dynamic values. This doesn't increase metadata size since sizeof(SmallPage)
+        rounds up to alignment anyway.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmPageSize):
+        (bmalloc::vmPageShift):
+        (bmalloc::vmSize):
+        (bmalloc::vmValidate):
+        (bmalloc::tryVMAllocate):
+        (bmalloc::vmDeallocatePhysicalPagesSloppy):
+        (bmalloc::vmAllocatePhysicalPagesSloppy): Treat page size as a variable.
+
+        * bmalloc/Vector.h:
+        (bmalloc::Vector::initialCapacity):
+        (bmalloc::Vector<T>::insert):
+        (bmalloc::Vector<T>::grow):
+        (bmalloc::Vector<T>::shrink):
+        (bmalloc::Vector<T>::shrinkCapacity):
+        (bmalloc::Vector<T>::growCapacity): Treat page size as a variable.
+
+2016-03-29  David Kilzer  <dd...@apple.com>
+
+        bmalloc: add logging for mmap() failures
+        <http://webkit.org/b/155409>
+        <rdar://problem/24568515>
+
+        Reviewed by Saam Barati.
+
+        This patch causes additional logging to be generated on internal
+        iOS builds when mmap() fails.  We are trying to track down an
+        issue where the WebContent process runs out of VM address space
+        before it is killed by jetsam.
+
+        * CMakeLists.txt: Add Logging.cpp.
+        * bmalloc.xcodeproj/project.pbxproj: Add new files.
+
+        * bmalloc/BAssert.h:
+        (RELEASE_BASSERT_WITH_MESSAGE): Add macro.
+        * bmalloc/Logging.cpp: Added.
+        (bmalloc::logVMFailure): Implementation.
+        * bmalloc/Logging.h: Added.
+        (bmalloc::logVMFailure): Declaration.
+        * bmalloc/VMAllocate.h:
+        (bmalloc::tryVMAllocate): Call logVMFailure() on mmap() failure.
+        * bmalloc/darwin/BSoftLinking.h: Copied from Source/WebCore/platform/mac/SoftLinking.h.
+
+2016-03-26  Geoffrey Garen  <gg...@apple.com>
+
+        Unreviewed, rolling out r198702, r198704.
+
+        Caused a memory regression on PLUM.
+
+        Reverted changeset:
+
+        bmalloc: fix an ASSERT on iOS
+        https://bugs.webkit.org/show_bug.cgi?id=155911
+        http://trac.webkit.org/changeset/198704
+
+        bmalloc: support physical page sizes that don't match the virtual page size
+        https://bugs.webkit.org/show_bug.cgi?id=155898
+        http://trac.webkit.org/changeset/198702
+
+2016-03-25  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: fix an ASSERT on iOS
+        https://bugs.webkit.org/show_bug.cgi?id=155911
+
+        Reviewed by Gavin Barraclough.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmValidatePhysical): Call through to vmValidatePhysical because
+        the vmValidate function validates virtual sizes rather than physical
+        sizes.
+
+2016-03-25  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: support physical page sizes that don't match the virtual page size
+        https://bugs.webkit.org/show_bug.cgi?id=155898
+
+        Reviewed by Gavin Barraclough.
+
+        This is a memory savings on iOS devices where the virtual page size
+        is 16kB but the physical page size is 4kB.
+
+        * bmalloc/Chunk.h:
+        (bmalloc::Chunk::Chunk): smallPageSize is now unrelated to the OS's
+        page size -- it just reflects the optimal unit of memory to recycle
+        between small objects.
+
+        We only need to round up to largeAlignment because small objects allocate
+        as subsets of large objects now.
+
+        (bmalloc::Chunk::page):
+        (bmalloc::Object::pageBegin):
+        (bmalloc::Object::line): Adopt smallPageSize.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::initializeLineMetadata):
+        (bmalloc::Heap::allocateSmallPage):
+        (bmalloc::Heap::allocateLarge): Adopt smallPageSize.
+
+        (bmalloc::Heap::splitAndAllocate):
+        (bmalloc::Heap::tryAllocateXLarge):
+        (bmalloc::Heap::shrinkXLarge): Adopt vmPageSizePhysical(). We want the
+        physical page size because that's the unit at which the hardware MMU
+        will recycle memory.
+
+        * bmalloc/Sizes.h: Adopt smallPageSize.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmPageSizePhysical):
+        (bmalloc::vmPageSize): Distinguish between page size, which is the virtual
+        memory page size advertised by the OS, and physical page size, which the
+        true hardware page size.
+
+        (bmalloc::vmSize):
+        (bmalloc::vmValidate):
+        (bmalloc::vmValidatePhysical):
+        (bmalloc::tryVMAllocate):
+        (bmalloc::vmDeallocatePhysicalPages):
+        (bmalloc::vmAllocatePhysicalPages):
+        (bmalloc::vmDeallocatePhysicalPagesSloppy):
+        (bmalloc::vmAllocatePhysicalPagesSloppy): Adopt vmPageSize() and
+        vmPageSizePhyiscal().
+
+        * bmalloc/Vector.h:
+        (bmalloc::Vector::initialCapacity):
+        (bmalloc::Vector<T>::shrink):
+        (bmalloc::Vector<T>::shrinkCapacity):
+        (bmalloc::Vector<T>::growCapacity): Adopt vmPageSize(). We'd prefer to
+        use vmPageSizePhysical() but mmap() doesn't support it.
+
+        * bmalloc/XLargeMap.cpp: #include.
+
+2016-03-25  Geoffrey Garen  <gg...@apple.com>
+
+        Unreviewed, rolling in r198679.
+
+        r198679 was just a rename. The regression was caused by r198675 and then
+        fixed in r198693.
+
+        Restored changeset:
+
+        "bmalloc: Renamed LargeChunk => Chunk"
+        https://bugs.webkit.org/show_bug.cgi?id=155894
+        http://trac.webkit.org/changeset/198679
+
+2016-03-25  Geoffrey Garen  <gg...@apple.com>
+
+        Unreviewed, try to fix a crash seen on the bots.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate): We have to take the lock even if we're
+        only reading our own data becuse LargeObject contains validation code
+        that will read our neighbors' data as well.
+
+2016-03-25  Ryan Haddad  <ry...@apple.com>
+
+        Unreviewed, rolling out r198679.
+
+        This change caused flaky LayoutTest crashes
+
+        Reverted changeset:
+
+        "bmalloc: Renamed LargeChunk => Chunk"
+        https://bugs.webkit.org/show_bug.cgi?id=155894
+        http://trac.webkit.org/changeset/198679
+
+2016-03-25  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: stress_aligned fails when allocating a zero-sized object with XLarge alignment
+        https://bugs.webkit.org/show_bug.cgi?id=155896
+
+        Reviewed by Andreas Kling.
+
+        We normally filter zero-sized allocations into small allocations, but
+        a zero-sized allocation can sneak through if it requires sufficiently
+        large alignment.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::tryAllocateXLarge): Set a floor on allocation size to
+        catch zero-sized allocations.
+
+2016-03-25  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Renamed LargeChunk => Chunk
+        https://bugs.webkit.org/show_bug.cgi?id=155894
+
+        Reviewed by Michael Saboff.
+
+        A Chunk can contain both small and large objects now.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocate):
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::isFree):
+        * bmalloc/Chunk.h: Copied from Source/bmalloc/bmalloc/LargeChunk.h.
+        (bmalloc::Chunk::pages):
+        (bmalloc::Chunk::begin):
+        (bmalloc::Chunk::end):
+        (bmalloc::Chunk::Chunk):
+        (bmalloc::Chunk::get):
+        (bmalloc::Chunk::beginTag):
+        (bmalloc::Chunk::endTag):
+        (bmalloc::Chunk::offset):
+        (bmalloc::Chunk::object):
+        (bmalloc::Chunk::page):
+        (bmalloc::Chunk::line):
+        (bmalloc::SmallLine::begin):
+        (bmalloc::SmallPage::begin):
+        (bmalloc::SmallPage::end):
+        (bmalloc::Object::Object):
+        (bmalloc::Object::begin):
+        (bmalloc::LargeChunk::pages): Deleted.
+        (bmalloc::LargeChunk::begin): Deleted.
+        (bmalloc::LargeChunk::end): Deleted.
+        (bmalloc::LargeChunk::LargeChunk): Deleted.
+        (bmalloc::LargeChunk::get): Deleted.
+        (bmalloc::LargeChunk::beginTag): Deleted.
+        (bmalloc::LargeChunk::endTag): Deleted.
+        (bmalloc::LargeChunk::offset): Deleted.
+        (bmalloc::LargeChunk::object): Deleted.
+        (bmalloc::LargeChunk::page): Deleted.
+        (bmalloc::LargeChunk::line): Deleted.
+        * bmalloc/Deallocator.cpp:
+        * bmalloc/FreeList.cpp:
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateLarge):
+        * bmalloc/LargeChunk.h: Removed.
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::LargeObject):
+        (bmalloc::LargeObject::merge):
+        (bmalloc::LargeObject::split):
+        * bmalloc/Object.h:
+        (bmalloc::Object::chunk):
+        * bmalloc/ObjectType.cpp:
+        * bmalloc/Sizes.h:
+        * bmalloc/SmallAllocator.h: Removed.
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::VMHeap):
+        (bmalloc::VMHeap::allocateChunk):
+        (bmalloc::VMHeap::allocateLargeChunk): Deleted.
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateLargeObject):
+        (bmalloc::VMHeap::deallocateLargeObject):
+        * bmalloc/Zone.cpp:
+        (bmalloc::enumerator):
+        * bmalloc/Zone.h:
+        (bmalloc::Zone::chunks):
+        (bmalloc::Zone::addChunk):
+        (bmalloc::Zone::largeChunks): Deleted.
+        (bmalloc::Zone::addLargeChunk): Deleted.
+
+2016-03-24  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: small and large objects should share memory
+        https://bugs.webkit.org/show_bug.cgi?id=155866
+
+        Reviewed by Andreas Kling.
+
+        This patch cuts our VM footprint in half. (VM footprint usually doesn't
+        matter, but on iOS there's an artificial VM limit around 700MB, and if
+        you hit it you jetsam / crash.)
+
+        It's also a step toward honoring the hardware page size at runtime,
+        which will reduce memory usage on iOS.
+
+        This patch is a small improvement in peak memory usage because it allows
+        small and large objects to recycle each other's memory. The tradeoff is
+        that we require more metadata, which causes more memory usage after
+        shrinking down from peak memory usage. In the end, we have some memory
+        wins and some losses, and a small win in the mean on our standard memory
+        benchmarks.
+
+        * bmalloc.xcodeproj/project.pbxproj: Removed SuperChunk.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate): Adopt a new Heap API for shrinking
+        large objects because it's a little more complicated than it used to be.
+
+        Don't check for equality in the XLarge case because we don't do it in
+        other cases, and it's unlikely that we'll be called for no reason.
+
+        * bmalloc/BumpAllocator.h:
+        (bmalloc::BumpAllocator::allocate): Don't ASSERT isSmall because that's
+        an old concept from when small and large objects were in distinct memory
+        regions.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::deallocateSlowCase): Large objects are not
+        segregated anymore.
+
+        (bmalloc::Deallocator::deallocateLarge): Deleted.
+
+        * bmalloc/Deallocator.h:
+        (bmalloc::Deallocator::deallocateFastCase): Don't ASSERT isSmall(). See
+        above.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::scavenge):
+        (bmalloc::Heap::scavengeSmallPage):
+        (bmalloc::Heap::scavengeSmallPages): New helpers for returning cached
+        small pages to the large object heap.
+
+        (bmalloc::Heap::allocateSmallPage): Allocate small pages from the large
+        object heap. This is how we accomplish sharing.
+
+        (bmalloc::Heap::deallocateSmallLine): Handle large objects since we can
+        encounter them on this code path now.
+
+        (bmalloc::Heap::splitAndAllocate): Fixed a bug where we would sometimes
+        not split even though we could.
+
+        Allocating a large object also requires ref'ing its small line so that
+        we can alias memory between small and large objects.
+
+        (bmalloc::Heap::allocateLarge): Return cached small pages before
+        allocating a large object that would fit in a cached small page. This
+        allows some large allocations to reuse small object memory.
+
+        (bmalloc::Heap::shrinkLarge): New helper.
+
+        (bmalloc::Heap::deallocateLarge): Deleted.
+
+        * bmalloc/Heap.h:
+
+        * bmalloc/LargeChunk.h:
+        (bmalloc::LargeChunk::pageBegin):
+        (bmalloc::LargeChunk::pageEnd):
+        (bmalloc::LargeChunk::lines):
+        (bmalloc::LargeChunk::pages):
+        (bmalloc::LargeChunk::begin):
+        (bmalloc::LargeChunk::end):
+        (bmalloc::LargeChunk::LargeChunk):
+        (bmalloc::LargeChunk::get):
+        (bmalloc::LargeChunk::endTag):
+        (bmalloc::LargeChunk::offset):
+        (bmalloc::LargeChunk::object):
+        (bmalloc::LargeChunk::page):
+        (bmalloc::LargeChunk::line):
+        (bmalloc::SmallLine::begin):
+        (bmalloc::SmallLine::end):
+        (bmalloc::SmallPage::begin):
+        (bmalloc::SmallPage::end):
+        (bmalloc::Object::Object):
+        (bmalloc::Object::begin):
+        (bmalloc::Object::pageBegin):
+        (bmalloc::Object::line):
+        (bmalloc::Object::page): I merged all the SmallChunk metadata and code
+        into LargeChunk. Now we use a single class to track both small and large
+        metadata, so we can share memory between small and large objects.
+
+        I'm going to rename this class to Chunk in a follow-up patch.
+
+        * bmalloc/Object.h:
+        (bmalloc::Object::chunk): Updated for LargeChunk transition.
+
+        * bmalloc/ObjectType.cpp:
+        (bmalloc::objectType):
+        * bmalloc/ObjectType.h:
+        (bmalloc::isXLarge):
+        (bmalloc::isSmall): Deleted. The difference between small and large
+        objects is now stored in metadata and is not a property of their
+        virtual address range.
+
+        * bmalloc/SegregatedFreeList.h: One more entry because we cover all of
+        what used to be the super chunk in a large chunk now.
+
+        * bmalloc/Sizes.h: Removed bit masking helpers because we don't use
+        address masks to distinguish small vs large object type anymore.
+
+        * bmalloc/SmallChunk.h: Removed.
+
+        * bmalloc/SmallPage.h:
+        (bmalloc::SmallPage::SmallPage): Store object type per page because any
+        given page can be used for large objects or small objects.
+
+        * bmalloc/SuperChunk.h: Removed.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::VMHeap):
+        (bmalloc::VMHeap::allocateLargeChunk):
+        (bmalloc::VMHeap::allocateSmallChunk): Deleted.
+        (bmalloc::VMHeap::allocateSuperChunk): Deleted.
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateLargeObject):
+        (bmalloc::VMHeap::deallocateLargeObject):
+        (bmalloc::VMHeap::allocateSmallPage): Deleted.
+        (bmalloc::VMHeap::deallocateSmallPage): Deleted. Removed super chunk and
+        small chunk support.
+
+        * bmalloc/Zone.cpp:
+        (bmalloc::enumerator):
+        * bmalloc/Zone.h:
+        (bmalloc::Zone::largeChunks):
+        (bmalloc::Zone::addLargeChunk):
+        (bmalloc::Zone::superChunks): Deleted.
+        (bmalloc::Zone::addSuperChunk): Deleted. Removed super chunk and
+        small chunk support.
+
+2016-03-23  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Added an Object helper class
+        https://bugs.webkit.org/show_bug.cgi?id=155818
+
+        Reviewed by Gavin Barraclough.
+
+        Object is an abstraction that breaks out a void* into its component
+        metadata pointers.
+
+        This is slightly faster than recomputing them, and it enables a future
+        patch in which Object will tell us whether it is small or large.
+
+        * bmalloc.xcodeproj/project.pbxproj: Added to the project.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate): Use Object to compute size.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::processObjectLog):
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateSmallPage):
+        (bmalloc::Heap::deallocateSmallLine):
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::derefSmallLine): Use Object to deallocate.
+
+        * bmalloc/Object.h: Added.
+        (bmalloc::Object::Object):
+        (bmalloc::Object::chunk):
+        (bmalloc::Object::line):
+        (bmalloc::Object::page): Helper class to break out a void* into its
+        component metadata pointers.
+
+        * bmalloc/SmallChunk.h:
+        (bmalloc::SmallChunk::SmallChunk): SmallPage::get doesn't exist anymore
+        so we use our new helper functions instead.
+
+        (bmalloc::SmallChunk::offset):
+        (bmalloc::SmallChunk::object):
+        (bmalloc::SmallChunk::page):
+        (bmalloc::SmallChunk::line):
+        (bmalloc::SmallLine::begin):
+        (bmalloc::SmallLine::end):
+        (bmalloc::SmallPage::begin): New helpers that operate on the data
+        stored in Object.
+
+        (bmalloc::SmallLine::get): Deleted.
+        (bmalloc::SmallPage::get): Deleted.
+
+        * bmalloc/SmallLine.h:
+        (bmalloc::SmallLine::refCount): Added a default ref value for convenience.
+
+        * bmalloc/SmallPage.h:
+        (bmalloc::SmallPage::SmallPage):
+
+2016-03-23  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: process the object log before asking for new memory
+        https://bugs.webkit.org/show_bug.cgi?id=155801
+
+        Reviewed by Gavin Barraclough.
+
+        This is a step toward merging large and small objects: In future, if we
+        have large objects in the log, we need to process them right away to
+        avoid pushing up peak memory use.
+
+        But it also appears to be a speedup and memory use improvement now.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocate):
+        (bmalloc::Allocator::refillAllocatorSlowCase):
+        (bmalloc::Allocator::allocateLarge): Process the log before asking for
+        more memory.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::processObjectLog):
+        (bmalloc::Deallocator::deallocateSlowCase):
+        * bmalloc/Deallocator.h: Provide a public API for processing the object log.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateSmallPage): Pop fragmented pages from the front
+        instead of from the back. This resolves a regression on tree_churn
+        --parallel. Popping from the front gives us the oldest pages. The oldest
+        pages have had the most time to accumulate free lines. They are therefore
+        the least fragmented on average.
+
+        * bmalloc/List.h:
+        (bmalloc::List::popFront):
+        (bmalloc::List::insertAfter): New API to pop from front.
+
+2016-03-22  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: use a log scale for large-ish size classes
+        https://bugs.webkit.org/show_bug.cgi?id=155770
+
+        Reviewed by Michael Saboff.
+
+        At larger sizes, precise allocation sizes don't save much memory -- and
+        they can cost memory when objects of distinct size classes can't
+        allocate together.
+
+        This is a small savings up to our current allocation limits, and it may
+        enable changing those limits in the long term.
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::log2): We use this to compute large-ish size classes.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::Allocator): Iterate by size class instead of by
+        object size so we can change object size limits without breaking stuff.
+
+        (bmalloc::Allocator::scavenge): Ditto.
+
+        (bmalloc::Allocator::allocateLogSizeClass): New helper function for
+        allocating based on log size classes.
+
+        (bmalloc::Allocator::allocateSlowCase): Account for extra size class
+        possibilities.
+
+        * bmalloc/Allocator.h:
+        (bmalloc::Allocator::allocateFastCase): We only handle up to 512b on
+        the fastest fast path now.
+
+        * bmalloc/BumpAllocator.h:
+        (bmalloc::BumpAllocator::validate): Deleted. I noticed that this function
+        had been refactored not to do anything anymore.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::initializeLineMetadata): Iterate by size class. (See
+        Allocator::Allocator.)
+
+        * bmalloc/Heap.h: Use the sizeClassCount constant instead of hard coding
+        things.
+
+        * bmalloc/Sizes.h:
+        (bmalloc::Sizes::maskSizeClass):
+        (bmalloc::Sizes::maskObjectSize):
+        (bmalloc::Sizes::logSizeClass):
+        (bmalloc::Sizes::logObjectSize):
+        (bmalloc::Sizes::sizeClass):
+        (bmalloc::Sizes::objectSize): Separate size class calculation between
+        simple size classes that can be computed with a mask and are 8-byte-precise
+        and complex size classes that require more math and are less precise.
+
+        * bmalloc/SmallLine.h:
+        (bmalloc::SmallLine::ref):
+        * bmalloc/SmallPage.h:
+        (bmalloc::SmallPage::SmallPage):
+        (bmalloc::SmallPage::ref):
+        (bmalloc::SmallPage::deref): Cleaned up some ASSERTs that triggered
+        while working on this patch.
+
+        * bmalloc/Zone.cpp:
+        (bmalloc::statistics):
+        (bmalloc::zoneSize):
+        (bmalloc::Zone::Zone):
+        (bmalloc::size): Deleted. Renamed these symbols to work around an lldb
+        bug that makes it impossible to print out variables named 'size' -- which
+        can be a problem when working on malloc.
+
+2016-03-22  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: shrink largeMax
+        https://bugs.webkit.org/show_bug.cgi?id=155759
+
+        Reviewed by Michael Saboff.
+
+        If a largeChunk contains N bytes and we allocate objects of size
+        N / 2 + 8 bytes, then we waste 50% of physical memory at peak.
+
+        This patch sets largeMax to N / 2, reducing maximum waste to 25%.
+
+        * bmalloc/BoundaryTag.h:
+        * bmalloc/LargeChunk.h:
+        (bmalloc::LargeChunk::LargeChunk):
+        * bmalloc/SegregatedFreeList.cpp:
+        (bmalloc::SegregatedFreeList::SegregatedFreeList):
+        (bmalloc::SegregatedFreeList::insert): Honor largeMax vs largeObjectMax.
+
+        * bmalloc/Sizes.h: Distinguish between the largest thing we can store
+        in a free list (largeObjectMax) and the largest thing we're willing to
+        allocate (largeMax).
+
+2016-03-20  Dan Bernstein  <mi...@apple.com>
+
+        [Mac] Determine TARGET_MAC_OS_X_VERSION_MAJOR from MACOSX_DEPLOYMENT_TARGET rather than from MAC_OS_X_VERSION_MAJOR
+        https://bugs.webkit.org/show_bug.cgi?id=155707
+        <rdar://problem/24980691>
+
+        Reviewed by Darin Adler.
+
+        * Configurations/Base.xcconfig: Set TARGET_MAC_OS_X_VERSION_MAJOR based on the last
+          component of MACOSX_DEPLOYMENT_TARGET.
+        * Configurations/DebugRelease.xcconfig: For engineering builds, preserve the behavior of
+          TARGET_MAC_OS_X_VERSION_MAJOR being the host’s OS version.
+
+2016-03-20  Dan Bernstein  <mi...@apple.com>
+
+        Update build settings
+
+        Rubber-stamped by Andy Estes.
+
+        * Configurations/DebugRelease.xcconfig:
+
+2016-03-14  Geoffrey Garen  <gg...@apple.com>
+
+        Unreviewed, rolling out r197955.
+
+        I decided to go in another direction
+
+        Reverted changeset:
+
+        "bmalloc: Rename SmallPage to SmallRun"
+        https://bugs.webkit.org/show_bug.cgi?id=155320
+        http://trac.webkit.org/changeset/197955
+
+2016-03-10  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Rename SmallPage to SmallRun
+        https://bugs.webkit.org/show_bug.cgi?id=155320
+
+        Reviewed by Alex Christensen.
+
+        A page is a fixed-size set of lines.
+
+        A run is an variable-sized set of lines.
+
+        We want to start using runs because:
+
+            (a) we want to support varying the hardware page size by OS;
+
+            (b) we want to support allocations larger than our current page size.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate):
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+        (bmalloc::Heap::initializeSmallRunMetadata):
+        (bmalloc::Heap::scavenge):
+        (bmalloc::Heap::scavengeSmallRuns):
+        (bmalloc::Heap::allocateSmallBumpRanges):
+        (bmalloc::Heap::allocateSmallRun):
+        (bmalloc::Heap::deallocateSmallLine):
+        (bmalloc::Heap::initializeLineMetadata): Deleted.
+        (bmalloc::Heap::scavengeSmallPages): Deleted.
+        (bmalloc::Heap::allocateSmallPage): Deleted.
+        * bmalloc/Heap.h:
+        * bmalloc/LineMetadata.h:
+        * bmalloc/SmallChunk.h:
+        (bmalloc::SmallChunk::begin):
+        (bmalloc::SmallChunk::end):
+        (bmalloc::SmallChunk::lines):
+        (bmalloc::SmallChunk::runs):
+        (bmalloc::SmallChunk::SmallChunk):
+        (bmalloc::SmallLine::end):
+        (bmalloc::SmallRun::get):
+        (bmalloc::SmallRun::begin):
+        (bmalloc::SmallRun::end):
+        (bmalloc::SmallChunk::pages): Deleted.
+        (bmalloc::SmallPage::get): Deleted.
+        (bmalloc::SmallPage::begin): Deleted.
+        (bmalloc::SmallPage::end): Deleted.
+        * bmalloc/SmallPage.h: Removed.
+        * bmalloc/SmallRun.h: Copied from Source/bmalloc/bmalloc/SmallPage.h.
+        (bmalloc::SmallRun::SmallRun):
+        (bmalloc::SmallRun::ref):
+        (bmalloc::SmallRun::deref):
+        (bmalloc::SmallPage::SmallPage): Deleted.
+        (bmalloc::SmallPage::ref): Deleted.
+        (bmalloc::SmallPage::deref): Deleted.
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateSmallChunk):
+        (bmalloc::VMHeap::allocateLargeChunk):
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateSmallRun):
+        (bmalloc::VMHeap::allocateLargeObject):
+        (bmalloc::VMHeap::deallocateSmallRun):
+        (bmalloc::VMHeap::deallocateLargeObject):
+        (bmalloc::VMHeap::allocateSmallPage): Deleted.
+        (bmalloc::VMHeap::deallocateSmallPage): Deleted.
+
+2016-03-08  Geoffrey Garen  <gg...@apple.com>
+
+        Unreviewed, rolling in r197722.
+        https://bugs.webkit.org/show_bug.cgi?id=155171
+
+        The right calculation for our static_assert is actually:
+
+            sizeof(SmallChunk) % vmPageSize + 2 * smallMax <= vmPageSize
+
+        instead of:
+
+            sizeof(SmallChunk) % vmPageSize + smallMax <= vmPageSize
+
+        smallMax is not enough because line metadata might require us to begin
+        allocation at an offset as large as smallMax, so we need 2 * smallMax.
+
+        Once correct, this static_assert fires, and we fix it by increasing
+        the alignment of SmallChunk.
+
+        Restored changeset:
+
+        "bmalloc: Use List<T> instead of Vector<T> in some places"
+        https://bugs.webkit.org/show_bug.cgi?id=155150
+        http://trac.webkit.org/changeset/197722
+
+2016-03-08  Commit Queue  <co...@webkit.org>
+
+        Unreviewed, rolling out r197722.
+        https://bugs.webkit.org/show_bug.cgi?id=155171
+
+        This change caused 800+ JSC test failures (Requested by
+        ryanhaddad on #webkit).
+
+        Reverted changeset:
+
+        "bmalloc: Use List<T> instead of Vector<T> in some places"
+        https://bugs.webkit.org/show_bug.cgi?id=155150
+        http://trac.webkit.org/changeset/197722
+
+2016-03-07  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Use List<T> instead of Vector<T> in some places
+        https://bugs.webkit.org/show_bug.cgi?id=155150
+
+        Reviewed by Andreas Kling.
+
+        Vector<T> is expensive when you want a lot of them because our minimum
+        allocation size is the system page size.
+
+        * bmalloc.xcodeproj/project.pbxproj: Added a List<T> class.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::scavengeSmallPages):
+        (bmalloc::Heap::allocateSmallPage): Use the List<T> API. No need to check
+        for stale entries anymore because List<T> supports O(1) eager removal
+        and we remove eagerly now.
+
+        (bmalloc::Heap::deallocateSmallLine): Remove eagerly. This simplifies
+        the allocation code and it is also required for correctness since we
+        only have enough metadata to be in one list at a time.
+
+        * bmalloc/Heap.h: List!
+
+        * bmalloc/SmallChunk.h: Made this assert a little more precise since this
+        patch triggered the old version in a benign way.
+
+        (bmalloc::SmallChunk::SmallChunk): This code moved to the SmallPage
+        constructor.
+
+        * bmalloc/SmallPage.h:
+        (bmalloc::SmallPage::SmallPage): Accomodate the List<T> data structure.
+        This is a net memory savings on Mac for heaps smaller than ~128MB and on
+        iOS for heaps smaller than ~512MB. The maximum memory saved is 512kB on
+        Mac and 2MB on iOS. For larger heaps, there's a memory cost of 0.4% on
+        Mac and 0.1% on iOS.
+
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateSmallPage): Use List<T> API.
+
+2016-03-03  Geoffrey Garen  <gg...@apple.com>
+
+        Unreviewed, rolling in r197174.
+        https://bugs.webkit.org/show_bug.cgi?id=154762
+
+        The right calculation for alignment is actually:
+
+            vmAlignment - getpagesize() + vmSize
+
+        instead of:
+
+            vmAlignment - vmPageSize + vmSize
+
+        The vmPageSize might be larger than getpagesize().
+
+        Restored changeset:
+
+        "bmalloc: Added a fast XLarge allocator"
+        https://bugs.webkit.org/show_bug.cgi?id=154720
+        http://trac.webkit.org/changeset/197174
+
+2016-02-26  Commit Queue  <co...@webkit.org>
+
+        Unreviewed, rolling out r197174.
+        https://bugs.webkit.org/show_bug.cgi?id=154762
+
+        This change caused LayoutTests to crash on iOS simulator
+        (Requested by ryanhaddad on #webkit).
+
+        Reverted changeset:
+
+        "bmalloc: Added a fast XLarge allocator"
+        https://bugs.webkit.org/show_bug.cgi?id=154720
+        http://trac.webkit.org/changeset/197174
+
+2016-02-25  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Added a fast XLarge allocator
+        https://bugs.webkit.org/show_bug.cgi?id=154720
+
+        Reviewed by Andreas Kling.
+
+        This is a big speedup for XLarge allocations because it avoids mmap
+        and page fault churn. It also enables future design changes to handle
+        a smaller size range on the fast path.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::roundUpToMultipleOf):
+        (bmalloc::roundDownToMultipleOf): Added a non-constant round down.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::tryAllocate): XLarge no longer requires the caller
+        to align things.
+
+        (bmalloc::Allocator::allocate): Tweaked the alignment calculation for
+        clarity. When alignment and largeAlignment are equal, no adjustment
+        is necessary since all allocations guarantee largeAlignment.
+
+        (bmalloc::Allocator::reallocate): Updated for interface change.
+
+        Note that the new interface fixes some concurrency bugs. The old code
+        kept an iterator into the XLarge allocator across lock drop and acquisition,
+        which is not cool.
+
+        (bmalloc::Allocator::allocateXLarge): XLarge no longer requires the caller
+        to align things.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::scavengeXLargeObjects): Added scavenging for XLarge.
+
+        (bmalloc::Heap::allocateXLarge):
+
+        (bmalloc::Heap::splitAndAllocate): Split XLarge objects to xLargeAlignment.
+
+        (bmalloc::Heap::tryAllocateXLarge):
+        (bmalloc::Heap::xLargeSize):
+        (bmalloc::Heap::shrinkXLarge):
+        (bmalloc::Heap::deallocateXLarge): Allocate from our map before going
+        to the OS.
+
+        (bmalloc::Heap::findXLarge): Deleted.
+
+        * bmalloc/Heap.h:
+
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::split):
+
+        * bmalloc/ObjectType.h:
+        (bmalloc::isXLarge): Give XLarge objects an explicit alignment for clarity.
+
+        * bmalloc/Range.h:
+        (bmalloc::Range::size):
+        (bmalloc::Range::operator!):
+        (bmalloc::Range::operator bool):
+        (bmalloc::Range::operator<):
+        (bmalloc::canMerge):
+        (bmalloc::merge): Some helpers that were useful in writing this patch.
+
+        * bmalloc/Sizes.h:
+
+        * bmalloc/SortedVector.h: Added.
+        (bmalloc::SortedVector::Bucket::Bucket):
+        (bmalloc::SortedVector::Bucket::operator<):
+        (bmalloc::SortedVector::iterator::iterator):
+        (bmalloc::SortedVector::iterator::operator++):
+        (bmalloc::SortedVector::iterator::operator!=):
+        (bmalloc::SortedVector::iterator::operator*):
+        (bmalloc::SortedVector::iterator::operator->):
+        (bmalloc::SortedVector::iterator::skipDeletedBuckets):
+        (bmalloc::SortedVector::begin):
+        (bmalloc::SortedVector::end):
+        (bmalloc::SortedVector<T>::insert):
+        (bmalloc::SortedVector<T>::find):
+        (bmalloc::SortedVector<T>::get):
+        (bmalloc::SortedVector<T>::take):
+        (bmalloc::SortedVector<T>::shrinkToFit): A simple abstraction for keeping
+        a sorted vector. Insertion is average amortized log(n) because we keep
+        deleted buckets that we can reuse.
+
+        This is better than a tree because we get better locality, less memory
+        use, and simpler code. Also, trees require a node memory allocator, and
+        implementing a memory allocator in a memory allocator is no fun.
+
+        Arguably we should use a hash table instead. But that's more code, and
+        sorted vector has other nice properties that we might want to take
+        adavantage of in the future.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::tryVMAllocate): Fixed an inaccuracy in the alignment calculation
+        here. This code was sort of trying to enforce the alignment that the
+        XLarge allocator enforces -- but it's better to enforce that alignment
+        there.
+
+        The right calculation is:
+
+            vmAlignment - vmPageSize + vmSize
+
+        because the worst case is when you are aligned to 0 + vmPageSize, and
+        you must walk forward vmAlignment - vmPageSize to reach the next
+        vmAlignment.
+
+        (bmalloc::tryVMExtend): Deleted. No need to go back to the OS for VM
+        since we manage our own.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateLargeChunk): Updated for clarity. When we
+        grow the large heap we know that grown region is where the next allocation
+        will take place, so we return it directly instead of pushing it to the
+        free list.
+
+        This fixes a subtle bug where an overly conservative aligned allocation
+        algorithm can fail to allocate at all when it grows the heap.
+
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateLargeObject): Ditto.
+        (bmalloc::VMHeap::allocateLargeObject): Ditto.
+
+        * bmalloc/VMState.h:
+        (bmalloc::merge): Added a helper.
+
+        * bmalloc/Vector.h:
+        (bmalloc::Vector::begin):
+        (bmalloc::Vector::end):
+        (bmalloc::Vector::size):
+        (bmalloc::Vector::capacity):
+        (bmalloc::Vector::last):
+        (bmalloc::Vector::pop):
+        (bmalloc::Vector<T>::push):
+        (bmalloc::Vector<T>::pop):
+        (bmalloc::Vector<T>::shrink): Use a proper iterator API to play nice
+        with std algorithms.
+
+        (bmalloc::Vector<T>::insert): New function required by SortedVector.
+
+        (bmalloc::Vector<T>::reallocateBuffer):
+        (bmalloc::Vector<T>::shrinkCapacity): Allow for shrinking back all the way
+        to 0 because that's what shrinkToFit wants.
+        (bmalloc::Vector<T>::growCapacity):
+        (bmalloc::Vector<T>::shrinkToFit):
+
+        * bmalloc/XLargeMap.cpp: Added. Helper data structure for managing XLarge
+        objects. We have enough granularity in our metadata to represent any
+        kind of address range.
+
+        We store free ranges in a flat vector because most programs have very
+        few individual free XLarge ranges. (They usually merge.)
+
+        We store allocated ranges in a sorted vector because programs might
+        allocate lots of XLarge ranges. For example, if the XLarge minimum is
+        128kB, and you have a 1GB process, that's 8192 ranges. Linear scan would
+        examine 8192 items but binary search only 13.
+
+        Empirically, this is 1.5X faster than our current large allocator if you
+        modify MallocBench/big to allocate XLarge objects and not to initialize
+        objects and you allocate 128kB-256kB objects in a 1GB address space.
+
+        (bmalloc::XLargeMap::takeFree): Be careful about overflow in this function
+        because we support super huge pointers, alignments, and sizes.
+
+        (bmalloc::XLargeMap::addFree): Merge eagerly on free because the cost
+        of missing an XLarge opportunity is catastrophic. Also, I discovered
+        by experiment that any allocator that doesn't merge eagerly can create
+        lots of subtle opportunities for snowballing fragmentation, as
+        fragmentation in range A forces you to chop up range B, and so on.
+
+        We allocate "first fit" (allocating the lowest address) because someone
+        wrote a paper once that said that it's the best algorithm to combat
+        fragmentation (even though worst case fragmentation is unavoidable
+        regardless of algorithm).
+
+        (bmalloc::XLargeMap::addAllocated):
+        (bmalloc::XLargeMap::getAllocated):
+        (bmalloc::XLargeMap::takeAllocated):
+        (bmalloc::XLargeMap::shrinkToFit):
+        (bmalloc::XLargeMap::takePhysical):
+        (bmalloc::XLargeMap::addVirtual):
+        * bmalloc/XLargeMap.h: Added.
+        (bmalloc::XLargeMap::Allocation::operator<):
+
+        * bmalloc/XLargeRange.h: Added.
+        (bmalloc::XLargeRange::XLargeRange):
+        (bmalloc::XLargeRange::vmState):
+        (bmalloc::XLargeRange::setVMState):
+        (bmalloc::canMerge):
+        (bmalloc::merge):
+        (bmalloc::XLargeRange::split): Helper for tracking VMState in a range.
+
+2016-02-23  Dan Bernstein  <mi...@apple.com>
+
+        [Xcode] Linker errors display mangled names, but no longer should
+        https://bugs.webkit.org/show_bug.cgi?id=154632
+
+        Reviewed by Sam Weinig.
+
+        * Configurations/Base.xcconfig: Stop setting LINKER_DISPLAYS_MANGLED_NAMES to YES.
+
+2016-02-22  Konstantin Tokarev  <an...@yandex.ru>
+
+        Fixed compilation of bmalloc with GCC 4.8 after r196873.
+        https://bugs.webkit.org/show_bug.cgi?id=154534
+
+        Reviewed by Mark Lam.
+
+        See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55382.
+
+        * bmalloc/LargeChunk.h:
+        * bmalloc/SmallChunk.h:
+
+2016-02-21  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Don't use a whole page for metadata
+        https://bugs.webkit.org/show_bug.cgi?id=154510
+
+        Reviewed by Andreas Kling.
+
+        (1) Don't round up metadata to a page boundary. This saves 1.5% dirty
+        memory on iOS and 0.2% on Mac. It also enables a future patch to allocate
+        smaller chunks without wasting memory.
+
+        (2) Initialize metadata lazily. This saves dirty memory when the program
+        allocates primarily small or large objects (but not both), leaving some
+        metadata uninitialized.
+
+        * bmalloc.xcodeproj/project.pbxproj: Medium objects are gone now.
+
+        * bmalloc/BumpAllocator.h:
+        (bmalloc::BumpAllocator::refill): Added an ASSERT to help debug a bug
+        I cause while working on this patch.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateSmallBumpRanges): Ditto.
+
+        (bmalloc::Heap::splitAndAllocate):
+        (bmalloc::Heap::allocateLarge): Updated for interface change.
+
+        * bmalloc/LargeChunk.h: Changed the boundaryTagCount calculation to
+        a static_assert.
+
+        Don't round up to page boundary. (See above.)
+
+        (bmalloc::LargeChunk::LargeChunk): Moved code here from LargeChunk::init.
+        A constructor is a more natural / automatic way to do this initialization.
+
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::init): Deleted. Moved to LargeChunk.
+
+        * bmalloc/Sizes.h: Chagned largeChunkMetadataSize to a simpler constant
+        because metadata size no longer varies by page size.
+
+        * bmalloc/SmallChunk.h:
+        (bmalloc::SmallChunk::begin):
+        (bmalloc::SmallChunk::end):
+        (bmalloc::SmallChunk::lines):
+        (bmalloc::SmallChunk::pages): Use std::array to make begin/end
+        calculations easier.
+
+        (bmalloc::SmallChunk::SmallChunk): Treat our metadata like a series
+        of allocated objects. We used to avoid trampling our metadata by
+        starting object memory at the next page. Now we share the first page
+        between metadata and objects, and we account for metadata explicitly.
+
+        * bmalloc/SuperChunk.h:
+        (bmalloc::SuperChunk::SuperChunk):
+        (bmalloc::SuperChunk::smallChunk):
+        (bmalloc::SuperChunk::largeChunk):
+        (bmalloc::SuperChunk::create): Deleted. Don't eagerly run the SmallChunk
+        and LargeChunk constructors. We'll run them lazily as needed.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::VMHeap):
+        (bmalloc::VMHeap::allocateSmallChunk):
+        (bmalloc::VMHeap::allocateLargeChunk):
+        (bmalloc::VMHeap::allocateSuperChunk):
+        (bmalloc::VMHeap::grow): Deleted. Track small and large chunks explicitly
+        so we can initialize them lazily.
+
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateSmallPage):
+        (bmalloc::VMHeap::allocateLargeObject): Specify whether we're allocating
+        a small or large chunk since we don't allocate both at once anymore.
+
+2016-02-20  Mark Lam  <ma...@apple.com>
+
+        Use of inlined asm statements causes problems for -std=c99 builds.
+        https://bugs.webkit.org/show_bug.cgi?id=154507
+
+        Reviewed by Dan Bernstein.
+
+        * bmalloc/BAssert.h:
+
+2016-02-19  Joonghun Park  <jh...@samsung.com>
+
+        Unreviewed. Fix debug build error since r196847
+
+        Fix gcc build warning appeared as below
+        by removing BASSERT(refCount <= maxRefCount).
+        error: comparison is always true due to limited range of data type
+        [-Werror=type-limits]
+
+        * bmalloc/SmallLine.h:
+        (bmalloc::SmallLine::ref): Deleted.
+
+2016-02-19  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Chunk, Page, and Line don't need to be class templates
+        https://bugs.webkit.org/show_bug.cgi?id=154480
+
+        Reviewed by Gavin Barraclough.
+
+        We needed class templates to distinguish between small and medium,
+        but medium is gone now.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/Chunk.h: Removed.
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::initializeLineMetadata):
+        (bmalloc::Heap::allocateSmallBumpRanges):
+        * bmalloc/Heap.h:
+        * bmalloc/Line.h: Removed.
+        * bmalloc/Page.h: Removed.
+        * bmalloc/Sizes.h:
+        * bmalloc/SmallChunk.h: Replaced with Source/bmalloc/bmalloc/Chunk.h.
+        (bmalloc::SmallChunk::begin):
+        (bmalloc::SmallChunk::end):
+        (bmalloc::SmallChunk::lines):
+        (bmalloc::SmallChunk::pages):
+        (bmalloc::SmallChunk::get):
+        (bmalloc::SmallLine::get):
+        (bmalloc::SmallLine::begin):
+        (bmalloc::SmallLine::end):
+        (bmalloc::SmallPage::get):
+        (bmalloc::SmallPage::begin):
+        (bmalloc::SmallPage::end):
+        (bmalloc::Chunk::begin): Deleted.
+        (bmalloc::Chunk::end): Deleted.
+        (bmalloc::Chunk::lines): Deleted.
+        (bmalloc::Chunk::pages): Deleted.
+        * bmalloc/SmallLine.h: Replaced with Source/bmalloc/bmalloc/Line.h.
+        (bmalloc::SmallLine::ref):
+        (bmalloc::SmallLine::deref):
+        (bmalloc::Line<Traits>::begin): Deleted.
+        (bmalloc::Line<Traits>::end): Deleted.
+        (bmalloc::Line<Traits>::ref): Deleted.
+        (bmalloc::Line<Traits>::deref): Deleted.
+        * bmalloc/SmallPage.h: Replaced with Source/bmalloc/bmalloc/Page.h.
+        (bmalloc::SmallPage::hasFreeLines):
+        (bmalloc::SmallPage::setHasFreeLines):
+        (bmalloc::SmallPage::ref):
+        (bmalloc::SmallPage::deref):
+        (bmalloc::Page::hasFreeLines): Deleted.
+        (bmalloc::Page::setHasFreeLines): Deleted.
+        (bmalloc::Page<Traits>::ref): Deleted.
+        (bmalloc::Page<Traits>::deref): Deleted.
+        * bmalloc/SmallTraits.h: Removed.
+
+2016-02-18  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Remove the concept of medium objects
+        https://bugs.webkit.org/show_bug.cgi?id=154436
+
+        Reviewed by Sam Weinig.
+
+        There's no need to distinguish medium objects from small: Small object
+        metadata works naturally for both as long as we allow an object to
+        span more than two small lines. (We already allow an object to span
+        more than one small line.)
+
+        This change reduces memory use because it eliminates the 1kB line size,
+        so we don't have to hold down 1kB lines for individual 264+ byte objects.
+
+        1kB lines were always a bit of a compromise. The main point of bump
+        allocation is to take advantage of cache lines. Cache lines are usually
+        64 bytes, so line sizes above 256 bytes are a bit of a stretch.
+
+        This change speeds up small object benchmarks because it eliminates the
+        branch to detect medium objects in deallocation log processing.
+
+        This change reduces virtual memory use from worst cast 4X to worst case
+        2X because the medium chunk is gone. iOS cares about virtual memory use
+        and terminates apps above ~1GB, so this change gives us more breathing room.
+
+        This change slows down medium benchmarks a bit because we end up doing
+        more work to recycle fragmented medium objects. Overall, the tradeoff
+        seems justified, since we have a net speedup and a memory use savings.
+
+        * bmalloc.xcodeproj/project.pbxproj: Removed all the medium files. We
+        can simplify even further in a follow-up patch, removing the base class
+        templates for Chunk, Page, and Line as well.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::Allocator):
+        (bmalloc::Allocator::allocate):
+        (bmalloc::Allocator::reallocate):
+        (bmalloc::Allocator::scavenge):
+        (bmalloc::Allocator::refillAllocatorSlowCase):
+        (bmalloc::Allocator::refillAllocator):
+        (bmalloc::Allocator::allocateSlowCase): Medium is gone. Small max is the
+        new medium max.
+
+        * bmalloc/Allocator.h:
+        (bmalloc::Allocator::allocateFastCase): Ditto.
+
+        * bmalloc/BumpAllocator.h:
+        (bmalloc::BumpAllocator::validate):
+        (bmalloc::BumpAllocator::allocate): No more medium.
+
+        * bmalloc/Chunk.h: No more medium.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::processObjectLog): No check for medium. This is
+        a speedup.
+
+        (bmalloc::Deallocator::deallocateSlowCase): No more medium.
+
+        * bmalloc/Deallocator.h:
+        (bmalloc::Deallocator::deallocateFastCase): Ditto.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::initializeLineMetadata): The algorithm here changed from
+        iterating each line to iterating each object. This helps us accomodate
+        objects that might span more than two lines -- i.e., all objects between
+        (512 bytes, 1024 bytes].
+
+        (bmalloc::Heap::scavenge):
+        (bmalloc::Heap::scavengeSmallPages):
+        (bmalloc::Heap::scavengeLargeObjects): Medium is gone.
+
+        (bmalloc::Heap::allocateSmallBumpRanges): Allow for lines that allocate
+        zero objects. This happens when an object spans more than two lines --
+        the middle lines allocate zero objects.
+
+        Also set the "has free lines" bit to false if we consume the last free
+        line. This needs to be a bit now because not all pages agree on their
+        maximum refcount anymore, so we need an explicit signal for the transition
+        from maximum to maximum - 1.
+
+        (bmalloc::Heap::allocateSmallPage): This code didn't change; I just removed
+        the medium code.
+
+        (bmalloc::Heap::deallocateSmallLine): Changed the algorithm to check
+        hasFreeLines. See allocateSmallBumpRanges.
+
+        (bmalloc::Heap::scavengeMediumPages): Deleted.
+        (bmalloc::Heap::allocateMediumBumpRanges): Deleted.
+        (bmalloc::Heap::allocateMediumPage): Deleted.
+        (bmalloc::Heap::deallocateMediumLine): Deleted.
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::derefMediumLine): Deleted.
+
+        * bmalloc/LargeChunk.h:
+        (bmalloc::LargeChunk::get):
+        (bmalloc::LargeChunk::endTag):
+        * bmalloc/Line.h: No more medium.
+
+        * bmalloc/MediumChunk.h: Removed.
+        * bmalloc/MediumLine.h: Removed.
+        * bmalloc/MediumPage.h: Removed.
+        * bmalloc/MediumTraits.h: Removed.
+
+        * bmalloc/ObjectType.cpp:
+        (bmalloc::objectType):
+        * bmalloc/ObjectType.h:
+        (bmalloc::isSmall):
+        (bmalloc::isXLarge):
+        (bmalloc::isSmallOrMedium): Deleted.
+        (bmalloc::isMedium): Deleted. No more medium.
+
+        * bmalloc/Page.h:
+        (bmalloc::Page::sizeClass):
+        (bmalloc::Page::setSizeClass):
+        (bmalloc::Page::hasFreeLines):
+        (bmalloc::Page::setHasFreeLines): Add the free lines bit. You get better
+        codegen if you make it the low bit, since ref / deref can then add / sub
+        2. So do that.
+
+        * bmalloc/Sizes.h:
+        (bmalloc::Sizes::sizeClass): Expand the small size class to include the
+        medium size class.
+
+        * bmalloc/SuperChunk.h:
+        (bmalloc::SuperChunk::SuperChunk):
+        (bmalloc::SuperChunk::smallChunk):
+        (bmalloc::SuperChunk::largeChunk):
+        (bmalloc::SuperChunk::mediumChunk): Deleted. No more medium.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow):
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateSmallPage): Set the has free lines bit before
+        returning a Page to the Heap since this is the correct default state
+        when we first allocate a page.
+
+        (bmalloc::VMHeap::allocateMediumPage): Deleted.
+        (bmalloc::VMHeap::deallocateMediumPage): Deleted.
+
+2016-02-19  Michael Saboff  <ms...@apple.com>
+
+        bmalloc: Unify VMHeap and Heap LargeObjects free lists to reduce fragmentation
+        https://bugs.webkit.org/show_bug.cgi?id=154192
+
+        Reviewed by Geoffrey Garen.
+
+        Change the operation of Heap and VMHeap LargeObject free lists.
+        Renamed Owner to VMState to track the state of each LargeObject.
+            Physical - The pages have been allocated.
+            Virtual - The pages have not been allocated.
+            Mixed - The object contains a mixture of Physical and Virtual pages.
+        VMState uses one bit each for Physical and Virtual to simplify merging states
+        when merging two adjacent blocks.  This change enforces the rule that objects in
+        the Heap free list must have have the Physical bit set in their VMState while objects
+        in the VMHeap free list must have the Physical bit clear.  Thie means that the Heap
+        can have LargeObjects in Physical or Mixed VMState, but the VMHeap's free list can
+        only contain Virtual LargeObjects.
+        
+        In both Heap::allocateLarge(), we now allocate physical pages if the LargeObject we
+        pull from the free list has any Virtual pages before we possilby split the 
+        object.  When we merge objects, the result might be made up of Mixed page allocations.
+        When allocating a Mixed LargeObject, we need to allocate memory for them as well.
+        The scavenger deallocates both Physical and Mixed LargeObjects, placing them back into
+        the VMHeap's free list.
+
+        When we allocate or deallocate Mixed LargeObjects, there are pages that within these
+        objects that will be redundantly modified.  It would require additional metadata to
+        eliminate this redundancy.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::vmState): New helper.
+        (bmalloc::BoundaryTag::setVMState): New helper.
+        (bmalloc::BoundaryTag::owner): Deleted.
+        (bmalloc::BoundaryTag::setOwner): Deleted.
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::splitAndAllocate): New helpers.
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::vmState): New helper.
+        (bmalloc::LargeObject::setVMState): New helper.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::splitAndAllocate): New helpers.
+        (bmalloc::Heap::allocateLarge): 
+        (bmalloc::Heap::deallocatePhysicalPages): Refactored from VMHeap::deallocateLargeObjectMemory.
+
+        * bmalloc/FreeList.cpp:
+        (bmalloc::FreeList::takeGreedy):
+        (bmalloc::FreeList::take):
+        (bmalloc::FreeList::removeInvalidAndDuplicateEntries):
+        * bmalloc/FreeList.h:
+        (bmalloc::FreeList::FreeList):
+        (bmalloc::FreeList::push):
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+        (bmalloc::Heap::scavengeLargeObjects):
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::isValidAndFree):
+        (bmalloc::LargeObject::validateSelf):
+        * bmalloc/SegregatedFreeList.cpp:
+        (bmalloc::SegregatedFreeList::SegregatedFreeList): Changed to initialize our required Physical state.
+        * bmalloc/SegregatedFreeList.h:
+        (bmalloc::SegregatedFreeList::SegregatedFreeList):
+        (bmalloc::SegregatedFreeList::insert):
+        (bmalloc::SegregatedFreeList::takeGreedy):
+        (bmalloc::SegregatedFreeList::take):
+        Replaced Owner parameters and checks with VMState::HasPhysical.
+
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::prevCanMerge): Removed owner from tests.
+        (bmalloc::LargeObject::nextCanMerge): Removed owner from tests.
+        (bmalloc::LargeObject::merge): Removed owner from tests.  Updated to merge VMStates andset the
+        VMState after the merge.
+
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::owner): Deleted.
+        (bmalloc::LargeObject::setOwner): Deleted.
+
+        * bmalloc/Owner.h: Removed.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmAllocatePhysicalPagesSloppy): Changed to round begin down to eliminate the left to right
+        allocation constraint.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow): Large space managed like small or medium as a vector of LargeChunks.
+        (bmalloc::VMHeap::VMHeap): Changed to initialize our required Physical state.
+
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateLargeObject): These no longer allocate memory.
+        (bmalloc::VMHeap::deallocateLargeObject): Removed setOwner.  Now we set the VMState after any merges.
+
+        * bmalloc/VMState.h: Copied from Source/bmalloc/bmalloc/Owner.h.
+        (bmalloc::VMState::VMState):
+        (bmalloc::VMState::hasPhysical):
+        (bmalloc::VMState::hasVirtual):
+        (bmalloc::VMState::merge):
+        (bmalloc::VMState::operator ==):
+        (bmalloc::VMState::operator unsigned):
+        New class with various helpers.
+
+2016-02-12  Michael Saboff  <ms...@apple.com>
+
+        BASSERTs added in r196421 are causing debug test failures
+        https://bugs.webkit.org/show_bug.cgi?id=154113
+
+        Reviewed by Geoffrey Garen.
+
+        In VMHeap::deallocateLargeObject(), we drop the lock to deallocate the physical pages.
+        If the scavenger thread is running at the same time a synchronous call to scavenge()
+        comes in, we could call VMHeap::deallocateLargeObject() for an adjacent object while the
+        lock in the other thread is dropped.  We fix this by checking for adjacent objects we
+        can merge with and loop if we have one.
+
+        * bmalloc/FreeList.h:
+        (bmalloc::FreeList::push): Added BASSERT to catch adding unmerged free objects
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateLarge): Changed to use nextCanMerge().
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::prevCanMerge): Repurposed prevIsAllocated.
+        (bmalloc::LargeObject::nextCanMerge): Repurposed nextIsAllocated.
+        (bmalloc::LargeObject::prevIsAllocated): Deleted.
+        (bmalloc::LargeObject::nextIsAllocated): Deleted.
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateLargeObject): Moved adding the extra object back to the free list
+        to after we set the object we'll return as being allocated.
+        (bmalloc::VMHeap::deallocateLargeObject):
+
+2016-02-12  Mark Lam  <ma...@apple.com>
+
+        Make BCRASH() use breakpoint traps too for non-debug OS(DARWIN).
+        https://bugs.webkit.org/show_bug.cgi?id=154184
+
+        Reviewed by Saam Barati.
+
+        This makes it behave consistently with WTFCrash().
+
+        * bmalloc/BAssert.h:
+        * bmalloc/BPlatform.h:
+
+2016-02-11  Michael Saboff  <ms...@apple.com>
+
+        Unreviewed build fix after r196421.
+
+        Removed BASSERTs that are firing to eliminate Debug build crashes.  I'll debug locally and
+        enable or alter after the issue is understood.
+
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::merge): Removed BASSERTs that are firing.
+
+2016-02-11  Michael Saboff  <ms...@apple.com>
+
+        bmalloc: large aligned allocations will put 1 or 2 free object on free list without merging with free neighbors
+        https://bugs.webkit.org/show_bug.cgi?id=154091
+
+        Reviewed by Geoffrey Garen.
+
+        If we split off any unused free object in the aligned version of Heap::allocateLarge(), we merge them with
+        free neighbors before putting them back on the free list.  Added helpers to verify that when we
+        add LargeObjects to the free list their neighbors are allocated.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateLarge): Deleted private helper version and rolled it into the two the
+        two public versions of allocateLarge().
+        * bmalloc/Heap.h:
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::prevIsAllocated): New helper.
+        (bmalloc::LargeObject::nextIsAllocated): New helper.
+        (bmalloc::LargeObject::merge): Check that the merge object has allocated neighbors.
+
+2016-02-05  Saam barati  <sb...@apple.com>
+
+        bmalloc: largeMax calculation is wrong on iOS
+        https://bugs.webkit.org/show_bug.cgi?id=153923
+
+        Reviewed by Mark Lam.
+
+        Our number for largeMax was larger than what we had
+        space to actually allocate inside the LargeChunk. This made 
+        it so that we would allocate a large object for something
+        that really should be extra large. Previously:
+        largeMax + sizeof(LargeChunk) > 1MB
+        which meant that when we would grow() to accommodate an allocation
+        of a particular size inside a LargeObject despite the fact that
+        the allocation size would be too large to actually fit in the LargeObject.
+        This would manifest when we had an allocation size in the range:
+        1MB - sizeof(LargeChunk) < allocation size < largeMax
+
+        We fix this bug by being precise in our calculation of largeMax
+        instead of just assuming largeChunkSize * 99/100 is enough
+        space for the metadata.
+
+        * bmalloc/LargeChunk.h:
+        (bmalloc::LargeChunk::get):
+        * bmalloc/Sizes.h:
+
+2016-01-31  Dan Bernstein  <mi...@apple.com>
+
+        [Cocoa] Remove unused definition of HAVE_HEADER_DETECTION_H
+        https://bugs.webkit.org/show_bug.cgi?id=153729
+
+        Reviewed by Sam Weinig.
+
+        After r141700, HAVE_HEADER_DETECTION_H is no longer used.
+
+        * Configurations/Base.xcconfig:
+
+2015-12-19  Dan Bernstein  <mi...@apple.com>
+
+        [Mac] WebKit contains dead source code for OS X Mavericks and earlier
+        https://bugs.webkit.org/show_bug.cgi?id=152462
+
+        Reviewed by Alexey Proskuryakov.
+
+        * Configurations/DebugRelease.xcconfig: Removed definition of MACOSX_DEPLOYMENT_TARGET for
+          OS X 10.9.
+
+2015-12-03  Anders Carlsson  <an...@apple.com>
+
+        Remove Objective-C GC support
+        https://bugs.webkit.org/show_bug.cgi?id=151819
+        rdar://problem/23746991
+
+        Reviewed by Dan Bernstein.
+
+        * Configurations/Base.xcconfig:
+
+2015-12-03  Michael Saboff  <ms...@apple.com>
+
+        bmalloc: extra large allocations could be more efficient
+        https://bugs.webkit.org/show_bug.cgi?id=151817
+
+        Reviewed by Geoffrey Garen.
+
+        Reduced the super chunk size from 4MB to 2MB.
+
+        Added path to reallocate() of an extra large object to see if we can extend the allocation.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate):
+        * bmalloc/SegregatedFreeList.h:
+        * bmalloc/Sizes.h:
+        * bmalloc/VMAllocate.h:
+        (bmalloc::tryVMAllocate):
+        (bmalloc::tryVMExtend):
+        (bmalloc::vmAllocate):
+
+2015-11-11  Akos Kiss  <ak...@inf.u-szeged.hu>
+
+        bmalloc: Add libdl dependency
+        https://bugs.webkit.org/show_bug.cgi?id=151140
+
+        Reviewed by Csaba Osztrogonác.
+
+        Make sure that the linker links libdl and finds the references to
+        dlopen, dlsym and dlclose in Environment.cpp.
+
+        * CMakeLists.txt:
+
+2015-11-02  Andy Estes  <ae...@apple.com>
+
+        [Cocoa] Add tvOS and watchOS to SUPPORTED_PLATFORMS
+        https://bugs.webkit.org/show_bug.cgi?id=150819
+
+        Reviewed by Dan Bernstein.
+
+        This tells Xcode to include these platforms in its Devices dropdown, making it possible to build in the IDE.
+
+        * Configurations/Base.xcconfig:
+
+2015-11-01  Philip Chimento  <ph...@gmail.com>
+
+        [GTK] Fix combinations of PLATFORM(GTK) and OS(DARWIN)
+        https://bugs.webkit.org/show_bug.cgi?id=144560
+
+        Reviewed by Darin Adler.
+
+        * PlatformGTK.cmake: Added. This adds Zone.cpp to the PlatformGTK
+        build, on Darwin only. Since there was previously nothing for the
+        build system to do that was specific to the GTK platform in
+        bmalloc, we need to create this file.
+
+2015-10-29  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: AsyncTask should handle destruction
+        https://bugs.webkit.org/show_bug.cgi?id=150648
+
+        Reviewed by Mark Lam.
+
+        So we can use it in more places.
+
+        * bmalloc/AsyncTask.h: Use std::thread instead of pthread because it
+        should be more portable.
+
+        (bmalloc::Function>::AsyncTask): Renamed Signaled to RunRequested for
+        clarity. Added an ExitRequested state.
+
+        (bmalloc::Function>::~AsyncTask): Wait for our child thread to exit
+        before destroying ourselves because our child thread will modify our
+        data (and might modify our client's data). Note that we only need to
+        wait for the last child thread since any prior child thread, having
+        reached the Exited condition, is guaranteed not to read or write any
+        data.
+
+        (bmalloc::Function>::run):
+        (bmalloc::Function>::runSlowCase): Updated for interface changes. Also
+        changed to use our WebKit style for condition signal: Hold the lock
+        during the signal and always notify all. Technically, neither is necessary,
+        but it is easier to understand the code this way, and harder to make
+        mistakes.
+
+        (bmalloc::Function>::threadEntryPoint):
+        (bmalloc::Function>::threadRunLoop): Handle the new ExitRequested state.
+        Technically, this state has no meaningful difference from the Exited
+        state, but it is nice to be explicit.
+
+        (bmalloc::Function>::join): Deleted.
+        (bmalloc::Function>::pthreadEntryPoint): Deleted.
+        (bmalloc::Function>::entryPoint): Deleted.
+
+2015-10-15  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: per-thread cache data structure should be smaller
+        https://bugs.webkit.org/show_bug.cgi?id=150218
+
+        Reviewed by Andreas Kling.
+
+        Reduce the number of entries in the range cache because it's really
+        big, and the bigness only helps in cases of serious fragmentation, and
+        it only saves us a little bit of lock acquisition time.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::scavenge):
+        (bmalloc::Allocator::refillAllocatorSlowCase):
+        (bmalloc::Allocator::refillAllocator):
+        (bmalloc::Allocator::allocateLarge):
+        (bmalloc::Allocator::allocateSlowCase):
+        (bmalloc::Allocator::allocateBumpRangeSlowCase): Deleted.
+        (bmalloc::Allocator::allocateBumpRange): Deleted.
+        * bmalloc/Allocator.h: Pass through the empty allocator and the range
+        cache when refilling, and refill both. Otherwise, we always immediately
+        pop the last item in the range cache, wasting that slot of capacity.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateSmallBumpRanges):
+        (bmalloc::Heap::allocateMediumBumpRanges): Account for the fact that
+        the range cache is no longer big enough to guarantee that it can hold
+        all the ranges in a page.
+
+        (bmalloc::Heap::refillSmallBumpRangeCache): Deleted.
+        (bmalloc::Heap::refillMediumBumpRangeCache): Deleted.
+
+        * bmalloc/Heap.h: Move VMHeap to the end of the object because it
+        contains a lot of unused / wasted space, and we want to pack our data
+        together in memory.
+
+        * bmalloc/Sizes.h: Make the range cache smaller.
+
+2015-10-13  Chris Dumez  <cd...@apple.com>
+
+        Avoid useless copies in range-loops that are using 'auto'
+        https://bugs.webkit.org/show_bug.cgi?id=150091
+
+        Reviewed by Sam Weinig.
+
+        Avoid useless copies in range-loops that are using 'auto'. Also use
+        'auto*' instead of 'auto' when range values are pointers for clarity.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::processObjectLog):
+
+2015-10-12  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Don't ASSERT that all syscalls succeed
+        https://bugs.webkit.org/show_bug.cgi?id=150047
+        <rdar://problem/22649531>
+
+        Reviewed by Mark Lam.
+
+        madvise can fail due to VM behaviors outside of our control:
+        copy-on-write, fork, mprotect, and other stuff.
+
+        Older darwin kernels sometimes return this error value, and new kernels
+        might again in future.
+
+        We haven't gained much from this ASSERT so far, so let's remove it.
+
+        Perhaps in future we can come up with a scheme that makes madvise
+        never fail, or that responds to failure.
+
+        * bmalloc/Syscall.h:
+
+2015-10-10  Dan Bernstein  <mi...@apple.com>
+
+        [iOS] Remove project support for iOS 8
+        https://bugs.webkit.org/show_bug.cgi?id=149993
+
+        Reviewed by Alexey Proskuryakov.
+
+        * Configurations/Base.xcconfig:
+        * Configurations/bmalloc.xcconfig:
+        * Configurations/mbmalloc.xcconfig:
+
+2015-08-31  Michael Catanzaro  <mc...@igalia.com>
+
+        Implement bmalloc::isASanEnabled for generic Unix
+        https://bugs.webkit.org/show_bug.cgi?id=148623
+
+        Reviewed by Geoffrey Garen.
+
+        * bmalloc/BPlatform.h: Add BOS_UNIX to detect whether the OS is a Unix.
+        * bmalloc/Environment.cpp:
+        (bmalloc::isASanEnabled): Implement a runtime check that should work on any Unix.
+
+2015-08-19  Geoffrey Garen  <gg...@apple.com>
+
+        Crash @ bmalloc::Environment::computeIsBmallocEnabled
+        https://bugs.webkit.org/show_bug.cgi?id=148183
+
+        Reviewed by NOBODY Michael Saboff.
+
+        CrashTracer says we have some crashes beneath computeIsBmallocEnabled
+        dereferencing null in strstr. We null check getenv but not
+        _dyld_get_image_name, so deduction indicates that _dyld_get_image_name
+        must be returning null. _dyld_get_image_name isn't really documented,
+        so let's assume it can return null.
+
+        * bmalloc/Environment.cpp:
+        (bmalloc::isASanEnabled): Check _dyld_get_image_name's return value for
+        null because we can't prove it won't be null.
+
+2015-07-24  Geoffrey Garen  <gg...@apple.com>
+
+        vmmap crash at JavaScriptCore: 0x31cd12f6 (the JavaScript malloc zone enumerator)
+        https://bugs.webkit.org/show_bug.cgi?id=147274
+
+        Reviewed by Anders Carlsson.
+
+        It's not really clear why vmmap sometimes fails to read the target
+        process, but we can avoid a crash when it does. This is useful because
+        you'll still get all the non-bmalloc data out of the target process,
+        and bmalloc might not even be relevant to your investigation.
+
+        * bmalloc/Zone.cpp:
+        (bmalloc::remoteRead): Check for failure.
+
+2015-07-24  Geoffrey Garen  <gg...@apple.com>
+
+        JavaScriptCore bmalloc should not register its malloc zone more than once
+        https://bugs.webkit.org/show_bug.cgi?id=147273
+
+        Reviewed by Andreas Kling.
+
+        This was a goof: The Zone constructor, by virtue of running automatically,
+        was registering a Zone inside the analysis process.
+
+        * bmalloc/Zone.cpp:
+        (bmalloc::remoteRead): Clarify that the pointer is remote.
+
+        (bmalloc::enumerator):
+        (bmalloc::Zone::Zone):
+        * bmalloc/Zone.h: Separate the normal constructor and the remote constructor.
+        The remote constructor skips zone registration since its goal is not
+        to register a zone in the current process or do any allocation but rather
+        to mirror the bytes of the zone from the target process.
+
+2015-07-23  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Shrink the super chunk size (again)
+        https://bugs.webkit.org/show_bug.cgi?id=147240
+
+        Reviewed by Andreas Kling.
+
+        Shrinking to 8MB reduced VM exhaustion crashes but did not eliminate them.
+        Let's try 4MB.
+
+        (My previous comment was that the maximum fast object was 2MB. But it
+        was 4MB! Now it's 2MB for realsies.)
+
+        * bmalloc/Sizes.h:
+
+2015-07-03  Dan Bernstein  <mi...@apple.com>
+
+        [Xcode] Update some build settings as recommended by Xcode 7
+        https://bugs.webkit.org/show_bug.cgi?id=146597
+
+        Reviewed by Sam Weinig.
+
+        * Configurations/Base.xcconfig: Enabled CLANG_WARN_UNREACHABLE_CODE, GCC_NO_COMMON_BLOCKS,
+        and ENABLE_STRICT_OBJC_MSGSEND. Removed GCC_MODEL_TUNING.
+
+        * bmalloc.xcodeproj/project.pbxproj: Updated LastUpgradeCheck.
+
+2015-07-02  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Shrink the super chunk size
+        https://bugs.webkit.org/show_bug.cgi?id=146519
+
+        Reviewed by Andreas Kling.
+
+        We have lots of reports of crashing due to failed VM allocation on iOS.
+        (This VM limit on iOS is usually 1GB-2GB, and has been as low as 256MB.)
+
+        Shrink the super chunk size in case fragmentation is the reason for
+        VM allocation failure.
+
+        This has the downside that >= 2MB allocations will now be super slow,
+        but they are also super rare (as in never on most websites), so this
+        is probably an OK tradeoff.
+
+        * bmalloc/Sizes.h:
+
+2015-07-01  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: realloc of an XLarge range can unmap adjacent VM ranges
+        https://bugs.webkit.org/show_bug.cgi?id=146535
+
+        Reviewed by Anders Carlsson.
+
+        This bug causes a crash when running fast/css/large-list-of-rules-crash.html
+        with the fix applied for https://bugs.webkit.org/show_bug.cgi?id=146519.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate): Start at object + newSize since starting
+        at object + oldSize means deleting the adjacent VM range.
+
+2015-05-26  Geoffrey Garen  <gg...@apple.com>
+
+        Integer overflow in XLarge allocation (due to unchecked roundUpToMultipleOf)
+        https://bugs.webkit.org/show_bug.cgi?id=145385
+
+        Reviewed by Andreas Kling.
+
+        Added some checking to verify that round-up operations will not overflow
+        a size_t.
+
+        The simplest way to do this was to introduce a notion of xLargeMax, like
+        we have for smallMax, mediumMax, and largeMax. It's a bit surprising at
+        first to think that there is an xLargeMax, since xLarge is what we use
+        to handle the biggest things. But computers have limits, so it makes sense.
+
+        FWIW, TCMalloc used to have an xLargeMax too, which it called kMaxValidPages.
+
+        No test because this bug was found by code inspection and I don't know
+        of a practical way to convince WebKit to make an allocation this large.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::tryAllocate):
+        (bmalloc::Allocator::allocate):
+        (bmalloc::Allocator::reallocate):
+        (bmalloc::Allocator::allocateSlowCase): Check against xLargeMax to avoid
+        overflow when rounding up.
+
+        * bmalloc/BAssert.h: Added support for explicit crashing.
+
+        * bmalloc/Sizes.h:
+
+2015-05-26  Dan Bernstein  <mi...@apple.com>
+
+        <rdar://problem/21104551> Update build settings
+
+        Reviewed by Anders Carlsson.
+
+        * Configurations/DebugRelease.xcconfig:
+
+2015-05-23  Dan Bernstein  <mi...@apple.com>
+
+        Remove unused definitions of WEBKIT_VERSION_MIN_REQUIRED
+        https://bugs.webkit.org/show_bug.cgi?id=145345
+
+        Reviewed by Sam Weinig.
+
+        * Configurations/Base.xcconfig: Also changed to use $(inherited).
+
+2015-05-07  Geoffrey Garen  <gg...@apple.com>
+
+        Release assert in com.apple.WebKit.WebContent under JavaScriptCore: JSC::JSONProtoFuncStringify
+        https://bugs.webkit.org/show_bug.cgi?id=144758
+
+        Reviewed by Andreas Kling.
+
+        This was an out-of-memory error when trying to shrink a string builder.
+        bmalloc was missing the optimization that allowed realloc() to shrink
+        without copying. So, let's add it.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate): Added Large and XLarge cases for
+        shrinking without copying. This isn't possible for small and medium
+        objects, and probably not very profitable, either.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::findXLarge):
+        (bmalloc::Heap::deallocateXLarge):
+        * bmalloc/Heap.h: Refactored this code to return a reference to an
+        XLarge range. This makes the code reusable, and also makes it easier
+        for realloc() to update metadata.
+
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::split): Allow allocated objects to split because
+        that's what realloc() wants to do, and there's nothing intrinsically
+        wrong with it.
+
+2015-05-07  Dan Bernstein  <mi...@apple.com>
+
+        <rdar://problem/19317140> [Xcode] Remove usage of AspenFamily.xcconfig in Source/
+        https://bugs.webkit.org/show_bug.cgi?id=144727
+
+        Reviewed by Darin Adler.
+
+        * Configurations/Base.xcconfig: Dont’s include AspenFamily.xcconfig, and define
+        INSTALL_PATH_PREFIX for the iOS 8.x Simulator.
+
+2015-04-01  Alex Christensen  <ac...@webkit.org>
+
+        Progress towards CMake on Windows and Mac.
+        https://bugs.webkit.org/show_bug.cgi?id=143293
+
+        Reviewed by Filip Pizlo.
+
+        * bmalloc/BAssert.h:
+        Removed ellipses from macros to appease Visual Studio.
+
+2015-03-13  Alex Christensen  <ac...@webkit.org>
+
+        Progress towards CMake on Mac.
+        https://bugs.webkit.org/show_bug.cgi?id=142680
+
+        Reviewed by Gyuyoung Kim.
+
+        * CMakeLists.txt:
+        * PlatformMac.cmake:
+        Added Zone.cpp to Mac CMake builds.
+
+2015-03-12  Geoffrey Garen  <gg...@apple.com>
+
+        Assertion failure in bmalloc::LargeObject::validateSelf on Mavericks Debug layout test bot
+        https://bugs.webkit.org/show_bug.cgi?id=142642
+
+        Reviewed by Michael Saboff.
+
+        The typical backtrace to this crash shows the main thread trying to
+        realloc a large string while a DFG compiler thread tries to
+        free a large vector buffer.
+
+        I believe that this is a race condition -- at least in debug builds --
+        since the main thread will try to validate its object's neighbors
+        without holding a lock, even though those neighbors might be in the
+        midst of changing.
+
+        In general, there may be sneaky times when it is valid to look at an
+        object's metadata without holding the heap lock, but it is best not to
+        do so unless we have a really really good reason to.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate): Take a lock before reading the metadata
+        for this object, since we generally require any access to shared heap
+        metadata to take a lock.
+
+2015-03-10  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: tryFastMalloc shouldn't crash
+        https://bugs.webkit.org/show_bug.cgi?id=142443
+
+        Reviewed by Sam Weinig.
+
+        Rolling back in r181307 with a check for whether bmalloc is enabled, to
+        avoid crashes when running with ASan and GuardMalloc.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::tryAllocate):
+        * bmalloc/Allocator.h:
+        * bmalloc/Cache.cpp:
+        (bmalloc::Cache::tryAllocateSlowCaseNullCache):
+        * bmalloc/Cache.h:
+        (bmalloc::Cache::tryAllocate):
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateXLarge):
+        (bmalloc::Heap::tryAllocateXLarge):
+        * bmalloc/Heap.h:
+        * bmalloc/VMAllocate.h:
+        (bmalloc::tryVMAllocate):
+        (bmalloc::vmAllocate):
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::tryMalloc):
+        (bmalloc::api::realloc):
+        (bmalloc::api::free):
+
+2015-03-09  Commit Queue  <co...@webkit.org>
+
+        Unreviewed, rolling out r181307.
+        https://bugs.webkit.org/show_bug.cgi?id=142525
+
+        Broke ASan tests (Requested by ap on #webkit).
+
+        Reverted changeset:
+
+        "bmalloc: tryFastMalloc shouldn't crash"
+        https://bugs.webkit.org/show_bug.cgi?id=142443
+        http://trac.webkit.org/changeset/181307
+
+2015-03-09  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: tryFastMalloc shouldn't crash
+        https://bugs.webkit.org/show_bug.cgi?id=142443
+
+        Reviewed by Darin Adler.
+
+        Added support for tryMalloc.
+
+        We assume that non-x-large allocations always succeed, and we crash
+        otherwise, since normal allocation failure will just cause the next
+        non-try allocation or internal metadata allocation to fail, and it's
+        hard and not really useful to keep limping along after that. But
+        extra-large allocations can meaningfully fail, and we can recover.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateXLarge):
+        (bmalloc::Heap::tryAllocateXLarge):
+        * bmalloc/Heap.h: Added support for non-crashy x-large allocation.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::tryVMAllocate):
+        (bmalloc::vmAllocate): Added support for non-crashy VM allocation.
+
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::tryMalloc):
+        (bmalloc::api::realloc):
+        (bmalloc::api::free): Tried to clarify our behavior with some comments.
+        Unfortunately, calling what we do "malloc" is still not quite right, since
+        malloc returns null on failure and we don't.
+
+2015-03-03  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Don't branch when setting the owner of a large object
+        https://bugs.webkit.org/show_bug.cgi?id=142241
+
+        Reviewed by Andreas Kling.
+
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::owner):
+        (bmalloc::BoundaryTag::setOwner):
+
+2015-03-03  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc should implement malloc introspection (to stop false-positive leaks when MallocStackLogging is off)
+        https://bugs.webkit.org/show_bug.cgi?id=141802
+
+        Reviewed by Andreas Kling.
+
+        Re-enabled this feature on iOS, now that the iOS crash should be fixed.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow):
+        * bmalloc/VMHeap.h:
+
+2015-03-03  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Added missing features to the malloc zone introspection API
+        https://bugs.webkit.org/show_bug.cgi?id=142235
+
+        Reviewed by Andreas Kling.
+
+        This should fix the crash we saw on the iOS PLT bot
+        (c.f. http://trac.webkit.org/changeset/180604).
+
+        * bmalloc/Zone.cpp:
+        (bmalloc::good_size):
+        (bmalloc::check):
+        (bmalloc::print):
+        (bmalloc::log):
+        (bmalloc::force_lock):
+        (bmalloc::force_unlock):
+        (bmalloc::statistics):
+        (bmalloc::size):
+        (bmalloc::enumerator): Provide all of these functions since they are called
+        indiscriminately on all zones.
+
+        (bmalloc::Zone::Zone):
+        (bmalloc::Zone::size): Deleted.
+        (bmalloc::Zone::enumerator): Deleted. Moved these functions out of the
+        Zone class since they can stand alone.
+
+        * bmalloc/Zone.h:
+
+2015-03-03  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc should implement malloc introspection (to stop false-positive leaks when MallocStackLogging is off)
+        https://bugs.webkit.org/show_bug.cgi?id=141802
+
+        Reviewed by Andreas Kling.
+
+        Rolling back in but disabled on iOS until I can debug why the iOS PLT crashes.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow):
+        * bmalloc/VMHeap.h:
+        * bmalloc/Zone.cpp:
+        (bmalloc::Zone::size):
+        (bmalloc::Zone::Zone):
+        * bmalloc/Zone.h:
+
+2015-03-03  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Miscellaneous cleanup
+        https://bugs.webkit.org/show_bug.cgi?id=142231
+
+        Reviewed by Andreas Kling.
+
+        No performance change -- maybe a tiny reduction in memory use.
+
+        * bmalloc/Heap.cpp: Moved the sleep function into StaticMutex, since
+        it's a helper for working with mutexes.
+
+        (bmalloc::Heap::scavenge): Make sure to wait before we start any
+        scavenging, since individual scavenging functions now always scavenge
+        at least one page before waiting themselves.
+
+        (bmalloc::Heap::scavengeSmallPages):
+        (bmalloc::Heap::scavengeMediumPages):
+        (bmalloc::Heap::scavengeLargeObjects): Use the new wait helper to
+        simplify this code. Also, we now require our caller to wait until at
+        least one deallocation is desirable. This simplifies our loop.
+
+        (bmalloc::Heap::allocateSmallPage):
+        (bmalloc::Heap::allocateMediumPage):
+        (bmalloc::Heap::allocateXLarge):
+        (bmalloc::Heap::allocateLarge): Don't freak out any time the heap does
+        an allocation. Only consider the heap to be growing if it actually needs
+        to allocate new VM. This allows us to shrink the heap back down from a
+        high water mark more reliably even if heap activity continues.
+
+        (bmalloc::sleep): Deleted.
+        (bmalloc::Heap::scavengeLargeRanges): Renamed to match our use of
+        "LargeObject".
+
+        * bmalloc/Heap.h:
+
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::operator bool): Added to simplify a while loop.
+
+        * bmalloc/StaticMutex.h:
+        (bmalloc::sleep):
+        (bmalloc::waitUntilFalse): New helper for waiting until a condition
+        becomes reliably false.
+
+        * bmalloc/Vector.h:
+        (bmalloc::Vector<T>::~Vector): Oops! Don't deallocate the null pointer.
+        We don't actually run any Vector destructors, but an iteration of this
+        patch did, and then crashed. So, let's fix that.
+
+2015-03-02  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Eagerly remove allocated objects from the free list
+        https://bugs.webkit.org/show_bug.cgi?id=142194
+
+        Reviewed by Andreas Kling.
+
+        This reduces the pressure to garbage collect the free list.
+
+        Might be a 1% speedup on MallocBench.
+
+        * bmalloc/FreeList.cpp: Put this comment at the top of the file instead
+        of repeating it inside of each function. Tried to clarify the details.
+
+        (bmalloc::FreeList::takeGreedy): Matched the other iteration code in this
+        file for consistency -- even though either direction works fine in this
+        function.
+
+        (bmalloc::FreeList::take): Change to iterate from low to high so that we
+        can maintain an index into the vector that is not disturbed even if we
+        pop from the middle (which invalidates the last index in the vector).
+
+        Decrement i when popping from the middle to make sure that we don't
+        skip the next item after popping.
+
+        (bmalloc::FreeList::removeInvalidAndDuplicateEntries): Ditto.
+
+2015-02-27  Ryosuke Niwa  <rn...@webkit.org>
+
+        Fixed a typo in the previous commit.
+
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::setOwner):
+
+2015-02-27  Ryosuke Niwa  <rn...@webkit.org>
+
+        EFL build fix after r180797.
+
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::owner):
+        (bmalloc::BoundaryTag::setOwner):
+
+2015-02-27  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Pathological madvise churn on the free(malloc(x)) benchmark
+        https://bugs.webkit.org/show_bug.cgi?id=142058
+
+        Reviewed by Andreas Kling.
+
+        The churn was caused by repeatedly splitting an object with physical
+        pages from an object without, and then merging them back together again.
+        The merge would conservatively forget that we had physical pages, forcing
+        a new call to madvise on the next allocation.
+
+        This patch more strictly segregates objects in the heap from objects in
+        the VM heap, with these changes:
+
+        (1) Objects in the heap are not allowed to merge with objects in the VM
+        heap, and vice versa -- since that would erase our precise knowledge of
+        which physical pages had been allocated.
+
+        (2) The VM heap is exclusively responsible for allocating and deallocating
+        physical pages.
+
+        (3) The heap free list must consider entries for objects that are in the
+        VM heap to be invalid, and vice versa. (This condition can arise
+        because the free list does not eagerly remove items.)
+
+        With these changes, we can know that any valid object in the heap's free
+        list already has physical pages, and does not need to call madvise.
+
+        Note that the VM heap -- as before -- might sometimes contain ranges
+        or pieces of ranges that have physical pages, since we allow splitting
+        of ranges at granularities smaller than the VM page size. These ranges
+        can eventually merge with ranges in the heap during scavenging.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::owner):
+        (bmalloc::BoundaryTag::setOwner):
+        (bmalloc::BoundaryTag::initSentinel):
+        (bmalloc::BoundaryTag::hasPhysicalPages): Deleted.
+        (bmalloc::BoundaryTag::setHasPhysicalPages): Deleted. Replaced the concept
+        of "has physical pages" with a bit indicating which heap owns the large
+        object. This is a more precise concept, since the old bit was really a
+        Yes / Maybe bit.
+
+        * bmalloc/Deallocator.cpp:
+
+        * bmalloc/FreeList.cpp: Adopt
+        (bmalloc::FreeList::takeGreedy):
+        (bmalloc::FreeList::take):
+        (bmalloc::FreeList::removeInvalidAndDuplicateEntries):
+        * bmalloc/FreeList.h:
+        (bmalloc::FreeList::push): Added API for considering the owner when
+        deciding if a free list entry is valid.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap): Adopt new API.
+
+        (bmalloc::Heap::scavengeLargeRanges): Scavenge all ranges with no minimum,
+        since some ranges might be able to merge with ranges in the VM heap, and
+        they won't be allowed to until we scavenge them.
+
+        (bmalloc::Heap::allocateSmallPage):
+        (bmalloc::Heap::allocateMediumPage):
+        (bmalloc::Heap::allocateLarge): New VM heap API makes this function
+        simpler, since we always get back physical pages now.
+
+        * bmalloc/Heap.h:
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::end):
+        (bmalloc::LargeObject::owner):
+        (bmalloc::LargeObject::setOwner):
+        (bmalloc::LargeObject::isValidAndFree):
+        (bmalloc::LargeObject::merge): Do not merge objects across heaps since
+        that causes madvise churn.
+        (bmalloc::LargeObject::validateSelf):
+        (bmalloc::LargeObject::init):
+        (bmalloc::LargeObject::hasPhysicalPages): Deleted.
+        (bmalloc::LargeObject::setHasPhysicalPages): Deleted. Propogate the Owner API.
+
+        * bmalloc/Owner.h: Added.
+
+        * bmalloc/SegregatedFreeList.cpp:
+        (bmalloc::SegregatedFreeList::SegregatedFreeList):
+        (bmalloc::SegregatedFreeList::insert):
+        (bmalloc::SegregatedFreeList::takeGreedy):
+        (bmalloc::SegregatedFreeList::take):
+        * bmalloc/SegregatedFreeList.h: Propogate the owner API.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmDeallocatePhysicalPagesSloppy):
+        (bmalloc::vmAllocatePhysicalPagesSloppy): Clarified these functions and
+        removed an edge case.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::VMHeap):
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateSmallPage):
+        (bmalloc::VMHeap::allocateMediumPage):
+        (bmalloc::VMHeap::allocateLargeObject):
+        (bmalloc::VMHeap::deallocateLargeObject): Be sure to give each object
+        a new chance to merge, since it might have been prohibited from merging
+        before by virtue of not being in the VM heap.
+
+        (bmalloc::VMHeap::allocateLargeRange): Deleted.
+        (bmalloc::VMHeap::deallocateLargeRange): Deleted.
+
+2015-02-26  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Large object free list can grow infinitely
+        https://bugs.webkit.org/show_bug.cgi?id=142055
+
+        Reviewed by Andreas Kling.
+
+        By design, we don't eagerly remove large objects from the free list.
+        This creates two simple pathologies:
+
+            (1) If you free and then allocate the same object repeatedly, it will
+            duplicate itself in the free list repeatedly. Since it is never
+            invalid at the time of allocation, it will never be removed.
+
+            (2) If you split and then merge the same object repeatedly, it will
+            duplicate its split sibling in the free list repeatedly. If its
+            sibling is in a separate free list size class, it will never be
+            consulted at the time of allocation, so it will never be removed.
+
+        So, a simple "while (1) { free(malloc(x)); }" causes infinite memory
+        use in the free list.
+
+        The solution in this patch is a simple helper to remove garbage from the
+        free list if it grows too large. This pathology is not common, so the
+        cost is OK.
+
+        Long-term, perhaps we should rethink the laziness of these free lists.
+
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::isMarked):
+        (bmalloc::BoundaryTag::setMarked): New bit, used by free list GC.
+
+        * bmalloc/FreeList.cpp:
+        (bmalloc::FreeList::removeInvalidAndDuplicateEntries): The GC algorithm.
+
+        * bmalloc/FreeList.h:
+        (bmalloc::FreeList::FreeList):
+        (bmalloc::FreeList::push): Invoke the GC if we're getting huge.
+
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::isMarked):
+        (bmalloc::LargeObject::setMarked):
+        (bmalloc::LargeObject::validateSelf): Expose the new bit.
+
+        * bmalloc/Sizes.h: New constant to control GC frequency.
+
+2015-02-26  Csaba Osztrogonác  <os...@webkit.org>
+
+        URTBF after r180693.
+
+        * CMakeLists.txt:
+
+2015-02-26  Geoffrey Garen  <gg...@apple.com>
+
+        Try to fix the Mac build.
+
+        Unreviewed.
+
+        * bmalloc.xcodeproj/project.pbxproj: Make FreeList.h available.
+
+2015-02-26  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Refactored SegregatedFreeList and BoundaryTag::init
+        https://bugs.webkit.org/show_bug.cgi?id=142049
+
+        Reviewed by Anders Carlsson.
+
+        Split out a FreeList class from SegregatedFreeList. This will make it
+        easier to add behaviors on free list insertion and removal -- and it's
+        probably how I should have designed things at the start.
+
+        Moved BoundaryTag::init into LargeObject, since all the related logic
+        lives in LargeObject now too, and this allows us to remove BoundaryTagInlines.h.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/BoundaryTagInlines.h: Removed.
+        * bmalloc/FreeList.cpp: Copied from Source/bmalloc/bmalloc/SegregatedFreeList.cpp.
+        (bmalloc::FreeList::takeGreedy):
+        (bmalloc::FreeList::take):
+        (bmalloc::SegregatedFreeList::SegregatedFreeList): Deleted.
+        (bmalloc::SegregatedFreeList::insert): Deleted.
+        (bmalloc::SegregatedFreeList::takeGreedy): Deleted.
+        (bmalloc::SegregatedFreeList::take): Deleted.
+        * bmalloc/FreeList.h: Copied from Source/bmalloc/bmalloc/SegregatedFreeList.h.
+        (bmalloc::FreeList::push):
+        * bmalloc/LargeObject.h:
+        (bmalloc::LargeObject::init):
+        * bmalloc/SegregatedFreeList.cpp:
+        (bmalloc::SegregatedFreeList::SegregatedFreeList):
+        (bmalloc::SegregatedFreeList::insert):
+        (bmalloc::SegregatedFreeList::takeGreedy):
+        (bmalloc::SegregatedFreeList::take):
+        * bmalloc/SegregatedFreeList.h:
+        * bmalloc/Sizes.h:
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow):
+
+2015-02-26  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: free up a bit in BoundaryTag
+        https://bugs.webkit.org/show_bug.cgi?id=142048
+
+        Reviewed by Brady Eidson.
+
+        We were wasting a bit by accident, and I need one now.
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::rightShift): Deleted. Not needed, now that I've simplified
+        the math.
+
+        * bmalloc/BoundaryTag.h: Since each boundary tag bucket is 1024 bytes
+        long, the maximum offset into a bucket is 1023.
+
+        You need 5 bits to count up to 1024, but only 4 to count up to 1023.
+        
+        Math is hard.
+
+        (bmalloc::BoundaryTag::compactBegin): Switched to division because it
+        is simpler, and easier to match up with our ASSERT. The compiler will
+        turn division by constant power of two into a shift for us.
+
+        (bmalloc::BoundaryTag::setRange): Added an ASSERT for compactBegin
+        because we do encode it, so we should ASSERT that encoding did not
+        lose information.
+
+        * bmalloc/Sizes.h: Shifting is no longer used since we use division
+        instead.
+
+2015-02-24  Stephanie Lewis  <sl...@apple.com>
+
+        Rolling out http://trac.webkit.org/changeset/180430 as it causes the PLT to crash.
+        <rdar://problem/19948015>
+
+        Unreviewed.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow):
+        * bmalloc/VMHeap.h:
+        * bmalloc/Zone.cpp:
+        (bmalloc::Zone::Zone):
+        (bmalloc::Zone::size): Deleted.
+        * bmalloc/Zone.h:
+
+2015-02-24  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Added a little more abstraction for large objects
+        https://bugs.webkit.org/show_bug.cgi?id=141978
+
+        Reviewed by Sam Weinig.
+
+        Previously, each client needed to manage the boundary tags of
+        a large object using free functions. This patch introduces a LargeObject
+        class that does things a little more automatically.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate): Use the new LargeObject class.
+
+        * bmalloc/BeginTag.h:
+        (bmalloc::BeginTag::isInFreeList): Deleted. Moved this logic into the
+        LargeObject class.
+
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::isSentinel):
+        (bmalloc::BoundaryTag::compactBegin):
+        (bmalloc::BoundaryTag::setRange):
+        (bmalloc::BoundaryTag::initSentinel): Added an explicit API for sentinels,
+        which we used to create and test for implicitly.
+
+        * bmalloc/BoundaryTagInlines.h:
+        (bmalloc::BoundaryTag::init):
+        (bmalloc::validate): Deleted.
+        (bmalloc::validatePrev): Deleted.
+        (bmalloc::validateNext): Deleted.
+        (bmalloc::BoundaryTag::mergeLeft): Deleted.
+        (bmalloc::BoundaryTag::mergeRight): Deleted.
+        (bmalloc::BoundaryTag::merge): Deleted.
+        (bmalloc::BoundaryTag::deallocate): Deleted.
+        (bmalloc::BoundaryTag::split): Deleted.
+        (bmalloc::BoundaryTag::allocate): Deleted. Moved this logic into the
+        LargeObject class.
+
+        * bmalloc/EndTag.h:
+        (bmalloc::EndTag::init):
+        (bmalloc::EndTag::operator=): Deleted. Re-reading this code, I found
+        special behavior in the assignment operator to be a surprising API.
+        So, I replaced the assignment operation with an explicit initializing
+        function.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::scavengeLargeRanges):
+        (bmalloc::Heap::allocateXLarge):
+        (bmalloc::Heap::findXLarge):
+        (bmalloc::Heap::deallocateXLarge):
+        (bmalloc::Heap::allocateLarge):
+        (bmalloc::Heap::deallocateLarge):
+        * bmalloc/Heap.h: No behavior changes here -- just adopting the
+        LargeObject interface.
+
+        * bmalloc/LargeObject.h: Added.
+        (bmalloc::LargeObject::operator!):
+        (bmalloc::LargeObject::begin):
+        (bmalloc::LargeObject::size):
+        (bmalloc::LargeObject::range):
+        (bmalloc::LargeObject::LargeObject):
+        (bmalloc::LargeObject::setFree):
+        (bmalloc::LargeObject::isFree):
+        (bmalloc::LargeObject::hasPhysicalPages):
+        (bmalloc::LargeObject::setHasPhysicalPages):
+        (bmalloc::LargeObject::isValidAndFree):
+        (bmalloc::LargeObject::merge):
+        (bmalloc::LargeObject::split):
+        (bmalloc::LargeObject::validateSelf):
+        (bmalloc::LargeObject::validate): Moved this code into a class, out of
+        BoundaryTag free functions.
+
+        New to the class are these features:
+
+            (1) Every reference to an object is validated upon creation and use.
+
+            (2) There's an explicit API for "This is a reference to an object
+            that might be stale (the DoNotValidate API)".
+
+            (3) The begin and end tags are kept in sync automatically.
+
+        * bmalloc/SegregatedFreeList.cpp:
+        (bmalloc::SegregatedFreeList::insert):
+        (bmalloc::SegregatedFreeList::takeGreedy):
+        (bmalloc::SegregatedFreeList::take):
+        * bmalloc/SegregatedFreeList.h: Adopt the LargeObject interface.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow):
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateLargeRange):
+        (bmalloc::VMHeap::deallocateLargeRange): Adopt the LargeObject interface.
+
+2015-02-20  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc should implement malloc introspection (to stop false-positive leaks when MallocStackLogging is off)
+        https://bugs.webkit.org/show_bug.cgi?id=141802
+
+        Reviewed by Andreas Kling.
+
+        Rolling back in with a fix for a crash seen while using GuardMalloc.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow):
+        * bmalloc/VMHeap.h:
+        * bmalloc/Zone.cpp: Re-land the old patch.
+
+        (bmalloc::Zone::size): Be sure to implement the size() function since
+        it's accessible indirectly via the malloc_zone_from_ptr public API --
+        and GuardMalloc calls it all the time.
+
+        (bmalloc::Zone::Zone):
+        * bmalloc/Zone.h: Re-land the old patch.
+
+2015-02-19  Commit Queue  <co...@webkit.org>
+
+        Unreviewed, rolling out r180363.
+        https://bugs.webkit.org/show_bug.cgi?id=141814
+
+        Caused >50 crashes when running LayoutTests in GuardMalloc or
+        ASAN modes. (Requested by jernoble on #webkit).
+
+        Reverted changeset:
+
+        "bmalloc should implement malloc introspection (to stop false-
+        positive leaks when MallocStackLogging is off)"
+        https://bugs.webkit.org/show_bug.cgi?id=141802
+        http://trac.webkit.org/changeset/180363
+
+2015-02-19  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc should implement malloc introspection (to stop false-positive leaks when MallocStackLogging is off)
+        https://bugs.webkit.org/show_bug.cgi?id=141802
+
+        Reviewed by Andreas Kling.
+
+        Fixed a last-minute type.
+
+        The macro is OS, not PLATFORM.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow):
+        * bmalloc/VMHeap.h:
+        * bmalloc/Zone.h:
+
+2015-02-19  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc should implement malloc introspection (to stop false-positive leaks when MallocStackLogging is off)
+        https://bugs.webkit.org/show_bug.cgi?id=141802
+
+        Reviewed by Andreas Kling.
+
+        This patch does the bare minimum to stop false positive leaks from
+        being reported by the Darwin leaks tool. We register each super chunk
+        as a single object, and then request that the leaks tool scan it.
+
+        * bmalloc.xcodeproj/project.pbxproj: Added an abstraction for the malloc
+        zone introspection API.
+
+        * bmalloc/Algorithm.h: Missing #include.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow):
+        * bmalloc/VMHeap.h: Adopt the new abstraction.
+
+        * bmalloc/Zone.cpp: Added.
+        (bmalloc::remoteRead): Helper for reading an object out of another process.
+        (bmalloc::Zone::enumerator):
+        (bmalloc::Zone::Zone): Register a malloc zone so that we will participate
+        in introspection.
+
+        * bmalloc/Zone.h: Added.
+        (bmalloc::Zone::superChunks):
+        (bmalloc::Zone::addSuperChunk): Use a non-dynamically-allocated vector
+        since our dynamic allocations will not be scanned by leaks since they
+        will have the malloc VM tag.
+
+2015-02-18  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: VMHeap should keep a record of all of its VM ranges (for malloc introspection)
+        https://bugs.webkit.org/show_bug.cgi?id=141759
+
+        Reviewed by Andreas Kling.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/SuperChunk.h: Added.
+        (bmalloc::SuperChunk::create):
+        (bmalloc::SuperChunk::SuperChunk):
+        (bmalloc::SuperChunk::smallChunk):
+        (bmalloc::SuperChunk::mediumChunk):
+        (bmalloc::SuperChunk::largeChunk): Factored out super chunk creation
+        into a separate class, for clarity and type safety.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::grow):
+        (bmalloc::VMHeap::allocateSuperChunk): Renamed "allocateSuperChunk" to
+        "grow" because Andreas found "allocateSuperChunk" to be unclear.
+
+        * bmalloc/VMHeap.h: Track all our VM ranges. We will use this information
+        for malloc introspection.
+
+        (bmalloc::VMHeap::allocateSmallPage):
+        (bmalloc::VMHeap::allocateMediumPage):
+        (bmalloc::VMHeap::allocateLargeRange): Updated for renames.
+
+2015-02-18  Zan Dobersek  <zd...@igalia.com>
+
+        Build bmalloc through CMake as a static library. It's then linked either
+        into the WTF library (if built as a shared library) or into the JSC and
+        WebKit2 libraries. There's no need to build it as a standalone shared library.
+
+        Rubber-stamped by Carlos Garcia Campos.
+
+        * CMakeLists.txt:
+
+2015-02-13  Gyuyoung Kim  <gy...@samsung.com>
+
+        [BMalloc] Add a FIXME comment for memory alignas
+        https://bugs.webkit.org/show_bug.cgi?id=141556
+
+        Reviewed by Csaba Osztrogonác.
+
+        * bmalloc/Chunk.h: Add a FIXME comment.
+        * bmalloc/LargeChunk.h: ditto.
+
+2015-02-11  Csaba Osztrogonác  <os...@webkit.org>
+
+        bmalloc buildfix on 32 bit Linux (x86/ARM)
+        https://bugs.webkit.org/show_bug.cgi?id=141472
+
+        Reviewed by Gyuyoung Kim.
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::roundUpToMultipleOf):
+        * bmalloc/FixedVector.h:
+        (bmalloc::FixedVector::clear):
+        * bmalloc/Sizes.h:
+        (bmalloc::Sizes::sizeClass):
+
+2015-02-11  Gyuyoung Kim  <gy...@samsung.com>
+
+        [EFL][GTK] Use bmalloc instead of tcmalloc
+        https://bugs.webkit.org/show_bug.cgi?id=140162
+
+        Reviewed by Carlos Garcia Campos.
+
+        Support to use bmalloc on EFL and GTK ports.
+
+        * CMakeLists.txt: Added.
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocate):
+            Fix unused return value caused by posix_memalign().
+        * bmalloc/AsyncTask.h:
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::clear):
+        * bmalloc/Chunk.h:
+            Change Traits::Page with Traits::PageType in order to fix
+            -fpermitive build error on EFL and GTK port. 
+        * bmalloc/EndTag.h:
+        (bmalloc::EndTag::operator=):
+        * bmalloc/Line.h: ditto.
+        * bmalloc/MediumTraits.h:
+        * bmalloc/Page.h: ditto.
+        * bmalloc/PerThread.h:
+            EFL port doesn't support __has_include definition yet.
+            Define HAVE_PTHREAD_MACHDEP_H according to check if __has_include is supported.
+        * bmalloc/SmallTraits.h: ditto.
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmDeallocatePhysicalPages):
+        (bmalloc::vmAllocatePhysicalPages):
+        * bmalloc/Vector.h:
+        (bmalloc::Vector<T>::push):
+        (bmalloc::Vector<T>::reallocateBuffer):
+
+2015-01-31  Sam Weinig  <sa...@webkit.org>
+
+        Remove even more Mountain Lion support
+        https://bugs.webkit.org/show_bug.cgi?id=141124
+
+        Reviewed by Alexey Proskuryakov.
+
+        * Configurations/Base.xcconfig:
+        * Configurations/DebugRelease.xcconfig:
+
+2015-01-30  Geoffrey Garen  <gg...@apple.com>
+
+        GC marking threads should clear malloc caches
+        https://bugs.webkit.org/show_bug.cgi?id=141097
+
+        Reviewed by Andreas Kling.
+
+        Split the scavenging API into per-thread vs global, so that you can
+        request to scavenge your own thread without scavenging the whole heap.
+
+        * bmalloc/Cache.cpp:
+        (bmalloc::Cache::scavenge):
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::scavengeThisThread):
+        (bmalloc::api::scavenge):
+
+2015-01-28  Dana Burkart  <db...@apple.com>
+
+        Move ASan flag settings from DebugRelease.xcconfig to Base.xcconfig
+        https://bugs.webkit.org/show_bug.cgi?id=136765
+
+        Reviewed by Alexey Proskuryakov.
+
+        * Configurations/Base.xcconfig:
+        * Configurations/DebugRelease.xcconfig:
+
+2015-01-21  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: support aligned allocation
+        https://bugs.webkit.org/show_bug.cgi?id=140732
+
+        Reviewed by Andreas Kling.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocate): New function for aligned allocation.
+
+        Small and medium requests just allocate and free until they find an
+        aligned pointer. This is slightly inefficient in the worst case, but
+        still constant-time with little-to-no space overhead.
+
+        Large requests use a new API that requires the client to specify both
+        its ideal size and alignment, and the worst-case size you would have to
+        allocate in order to produce some interior pointer of the requested size
+        and alignment. We put the burden of this calculation on the client
+        because it simplifies things if we guarantee that allocation won't fail.
+
+        XLarge requests are easy: we just forward them to vmAllocate, which
+        already supported aligned requests.
+
+        * bmalloc/BoundaryTag.h:
+        * bmalloc/BoundaryTagInlines.h:
+        (bmalloc::BoundaryTag::mergeLeft):
+        (bmalloc::BoundaryTag::mergeRight):
+        (bmalloc::BoundaryTag::merge):
+        (bmalloc::BoundaryTag::deallocate):
+        (bmalloc::BoundaryTag::split):
+        (bmalloc::BoundaryTag::allocate): No behavior change here. I just
+        refactored the interface to remove some reference out parameters in
+        order to clarify what changes and what doesn't.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateXLarge): Added an alignment API.
+
+        (bmalloc::Heap::allocateLarge):
+        * bmalloc/Heap.h: Added an alignment API. I split out allocateLarge into
+        a few variants, so aligned and unaligned allocation could share some code.
+
+        * bmalloc/SegregatedFreeList.cpp:
+        (bmalloc::SegregatedFreeList::take):
+        * bmalloc/SegregatedFreeList.h: Changed to use a separate, explicit API
+        for aligned allocation. It turns out that the aligned path is pretty
+        different, since it ends up searching for two potential ways to satisfy
+        an allocation: either large enough and aligned, or large enough to split
+        into something not aligned and something large enough and aligned.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmAllocate): Switched alignment to come before size because
+        that's how the memalign API specifies it.
+
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateLargeRange): Added an alignment API.
+
+2015-01-20  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: a little bit of cleanup
+        https://bugs.webkit.org/show_bug.cgi?id=140687
+
+        Reviewed by Anders Carlsson.
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::isPowerOfTwo): Added a check for 0, since 0 would break a lot
+        of code.
+
+        * bmalloc/BoundaryTag.h:
+        * bmalloc/BoundaryTagInlines.h:
+        (bmalloc::BoundaryTag::mergeLeft):
+        (bmalloc::BoundaryTag::mergeRight):
+        (bmalloc::BoundaryTag::merge):
+        (bmalloc::BoundaryTag::deallocate):
+        (bmalloc::BoundaryTag::split):
+        (bmalloc::BoundaryTag::allocate):
+        (bmalloc::BoundaryTag::mergeLargeLeft): Deleted.
+        (bmalloc::BoundaryTag::mergeLargeRight): Deleted.
+        (bmalloc::BoundaryTag::mergeLarge): Deleted.
+        (bmalloc::BoundaryTag::splitLarge): Deleted. Removed the word "Large"
+        from all these functions, since boundary tags always pertain to large
+        objects, and putting the word "Large" everywhere wasn't helping to
+        explain that.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateXLarge):
+        (bmalloc::Heap::findXLarge):
+        (bmalloc::Heap::deallocateXLarge):
+        * bmalloc/Heap.h:
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateXLarge): Deleted.
+        (bmalloc::VMHeap::findXLarge): Deleted.
+        (bmalloc::VMHeap::deallocateXLarge): Deleted. Moved XLarge allocation
+        from VMHeap to Heap. Since the purpose of the VMHeap is to cache VM
+        ranges, and the VMHeap never caches any XLarge ranges, it doesn't
+        really make sense for the VMHeap to be involved.
+
+2015-01-16  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: refactored XLarge allocation for better alignment
+        https://bugs.webkit.org/show_bug.cgi?id=140582
+
+        Reviewed by Andreas Kling.
+
+        XLarge objects used to be Large objects with an extra bit of metadata
+        that said "actually, I'm not large -- I'm extra large".
+
+        The metadata header in an XLarge allocation made it impossible for the
+        XLarge object to honor a very large alignment request.
+
+        The solution is to stop using a metadata header for XLarge objects, and
+        instead to store explicit metadata on the side.
+
+        This is a bit less astonishing, which is also nice.
+
+        Finding XLarge metadata is now a linear search. That's probably OK, since
+        it was always so in TCMalloc, and the usual number of XLarge allocations
+        in a process is 0.
+
+        This design makes it possible for the heap to cache XLarge allocations
+        with and/or without physical pages. I haven't actually done that yet
+        because the tradeoffs are subtle, so I don't want to do anything without
+        a motivating test case.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate): Removed the concept of an XLargeChunk,
+        since an XLarge allocation is now just a naked buffer without a header.
+
+        (bmalloc::Allocator::allocateXLarge): Added an explicit qualifier for
+        XLarge alignment, since XLargeChunk won't give this to us implicitly
+        anymore.
+
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::setRange):
+        (bmalloc::BoundaryTag::isXLarge): Deleted.
+        (bmalloc::BoundaryTag::setXLarge): Deleted.
+        * bmalloc/BoundaryTagInlines.h:
+        (bmalloc::validate):
+        (bmalloc::BoundaryTag::deallocate): Removed the XLarge hacks from Large allocations.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::deallocateXLarge):
+        (bmalloc::Deallocator::deallocateSlowCase):
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::findXLarge):
+        (bmalloc::Heap::allocateXLarge):
+        (bmalloc::Heap::deallocateXLarge):
+        * bmalloc/Heap.h: Updated for interface changes.
+
+        * bmalloc/ObjectType.cpp:
+        (bmalloc::objectType):
+        * bmalloc/ObjectType.h:
+        (bmalloc::isXLarge): We can now tell if a pointer is XLarge just by
+        examining its bit pattern -- just like we do for other kinds of
+        allocations -- which is nice.
+
+        * bmalloc/Sizes.h:
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateXLarge):
+        (bmalloc::VMHeap::findXLarge):
+        (bmalloc::VMHeap::deallocateXLarge): Keep an explicit vector of metadata
+        for XLarge allocations.
+
+        * bmalloc/XLargeChunk.h: Removed.
+
+2015-01-16  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: added some infrastructure for aligned allocation
+        https://bugs.webkit.org/show_bug.cgi?id=140572
+
+        Reviewed by Andreas Kling.
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::isPowerOfTwo):
+        (bmalloc::roundUpToMultipleOf):
+        (bmalloc::roundDownToMultipleOf): Refactored some duplicate code to use our
+        isPowerOfTwo helper function.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocate):
+        * bmalloc/Allocator.h: Stubbed out an implementation of aligned allocation.
+        Doesn't do anything yet, but does correctly forward to system malloc
+        when bmalloc is disabled.
+
+        * bmalloc/Cache.cpp:
+        (bmalloc::Cache::allocateSlowCaseNullCache):
+        * bmalloc/Cache.h:
+        (bmalloc::Cache::allocate):
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::memalign):
+        * bmalloc/mbmalloc.cpp: Stubbed out an API for aligned allocation.
+
+2015-01-13  Geoffrey Garen  <gg...@apple.com>
+
+        Consider alignment when allocating from a SegregatedFreeList
+        https://bugs.webkit.org/show_bug.cgi?id=140408
+
+        Reviewed by Sam Weinig.
+
+        In preparation for supporting aligned allocation.
+
+        No performance change.
+
+        Since this is just one extra branch in an already expensive function,
+        I decided not to duplicate the function just to avoid the branch in
+        the un-aligned case.
+
+        * bmalloc/SegregatedFreeList.cpp:
+        (bmalloc::SegregatedFreeList::take):
+        * bmalloc/SegregatedFreeList.h:
+
+2015-01-13  Geoffrey Garen  <gg...@apple.com>
+
+        Renamed minimum to size in SegregatedFreeList
+        https://bugs.webkit.org/show_bug.cgi?id=140406
+
+        Reviewed by Sam Weinig.
+
+        In preparation for supporting aligned allocation.
+
+        * bmalloc/SegregatedFreeList.cpp:
+        (bmalloc::SegregatedFreeList::takeGreedy):
+        (bmalloc::SegregatedFreeList::take): Every size passed to malloc is
+        really just a minimum. Let's not imply that this value is special.
+
+2015-01-11  Dan Bernstein  <mi...@apple.com>
+
+        Geoff is organized, but he is not an organization.
+
+        Rubber-stamped by Anders Carlsson.
+
+        * bmalloc.xcodeproj/project.pbxproj: Removed the ORGANIZATIONNAME project attribute.
+
+2015-01-07  Geoffrey Garen  <gg...@apple.com>
+
+        Make bmalloc work with ASan
+        https://bugs.webkit.org/show_bug.cgi?id=140194
+
+        Reviewed by Mark Lam.
+
+        * bmalloc/BPlatform.h: Added a way to detect Darwin OSes, since we need
+        an OS-specific API to test for loaded runtime libraries.
+
+        * bmalloc/Environment.cpp:
+        (bmalloc::isASanEnabled):
+        (bmalloc::Environment::computeIsBmallocEnabled): Disabled bmalloc if
+        ASan is enabled, since system malloc has the Asan hooks we need.
+
+        You could check for the ASan compile-time flag instead, but doing this
+        check at runtime prepares bmalloc for a world where it is a dynamic
+        library that might be loaded into projects it did not compile with.
+
+2015-01-05  Geoffrey Garen  <gg...@apple.com>
+
+        Fix up bmalloc's PerThread for use on Linux
+        https://bugs.webkit.org/show_bug.cgi?id=139804
+
+        Reviewed by Anders Carlsson.
+
+        The previous implementation was a bit slow.
+
+        * bmalloc/PerThread.h:
+        (bmalloc::PerThreadStorage<Cache>::get):
+        (bmalloc::PerThreadStorage::get):
+        (bmalloc::PerThreadStorage::init): Added a catch-all cross-platform Unix
+        way to do fast per-thread access without taking a lock every time. This
+        probably works on all the platforms we care about, and it matches other
+        techniques we use elsewhere in WebKit.
+
+        (bmalloc::PerThread<T>::getFastCase): Removed the conditional from
+        this class because PerThreadStorage now encapsulates everything that
+        needs to be conditional.
+
+        (bmalloc::PerThreadStorage::initSharedKeyIfNeeded): Deleted.
+
+2014-12-26  Dan Bernstein  <mi...@apple.com>
+
+        <rdar://problem/19348208> REGRESSION (r177027): iOS builds use the wrong toolchain
+        https://bugs.webkit.org/show_bug.cgi?id=139950
+
+        Reviewed by David Kilzer.
+
+        * Configurations/Base.xcconfig: Only define TOOLCHAINS when building for OS X, doing so
+        in a manner that works with Xcode 5.1.1.
+
+2014-12-15  Geoffrey Garen  <gg...@apple.com>
+
+        Safari crashes when you set Malloc environment variables
+        https://bugs.webkit.org/show_bug.cgi?id=139656
+
+        Reviewed by Michael Saboff.
+
+        I forgot to cover the realloc() case. Whoops. (OoPS?)
+
+        This time around, I ran the full MallocBench test suite in Malloc=1
+        mode, and it passed.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::reallocate):
+        * bmalloc/Allocator.h: Pushed realloc() logic down into the allocator.
+        It needs to be down there so that we can do the short-circuiting check
+        for whether bmalloc is enabled first.
+
+        Also added the check.
+
+        * bmalloc/Cache.cpp:
+        (bmalloc::Cache::scavenge):
+        (bmalloc::Cache::Cache):
+        (bmalloc::Cache::reallocateSlowCaseNullCache):
+        * bmalloc/Cache.h:
+        (bmalloc::Cache::deallocator):
+        (bmalloc::Cache::reallocate): Ditto.
+
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::free):
+        (bmalloc::api::realloc): Ditto.
+
+        (bmalloc::api::scavenge): Pushed this down into Cache to match the
+        surrounding functions.
+
+2014-12-11  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc should support system memory analysis tools (part 2)
+        https://bugs.webkit.org/show_bug.cgi?id=139565
+
+        Reviewed by Mark Lam.
+
+        This patch actually queries the environment to see if memory analysis
+        tools have been enabled.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::scavenge): Don't process the object log if
+        we've disabled bmalloc because it will be full of invalid nullptrs.
+
+        * bmalloc/Environment.cpp:
+        (bmalloc::isMallocEnvironmentVariableSet): Test for the list of known
+        Malloc debugging flags. I also added a plain "Malloc" catch-all for
+        when you want to disable bmalloc without enabling any kind of funny
+        business.
+
+        It would be slightly nicer just to iterate the list of environment
+        variables and strstr them, but getenv is the more portable option,
+        and performance here doesn't really matter.
+
+        (bmalloc::isLibgmallocEnabled): Test for the libgmalloc insertion
+        environment variable.
+
+        (bmalloc::Environment::computeIsBmallocEnabled):
+
+2014-12-11  Geoffrey Garen  <gg...@apple.com>
+
+        Try to fix the iOS simulator build.
+
+        #include the declaration of malloc / free.
+
+        * bmalloc/Allocator.cpp:
+        * bmalloc/Deallocator.cpp:
+
+2014-12-11  Geoffrey Garen  <gg...@apple.com>
+
+        Try to fix the build.
+
+        * bmalloc.xcodeproj/project.pbxproj: Marked a header exported.
+
+2014-12-11  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc should support system memory analysis tools (part 1)
+        https://bugs.webkit.org/show_bug.cgi?id=139559
+
+        Reviewed by Mark Lam.
+
+        This patch adds the hooks to disable bmalloc at runtime if certain
+        environment variables are set, but doesn't actually read from the
+        environment yet.
+
+        No performance change.
+
+        * bmalloc.xcodeproj/project.pbxproj: Added the Environment class, which
+        we'll use to read environment variables and see if memory analysis tools
+        have been enabled.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::Allocator):
+        (bmalloc::Allocator::allocateSlowCase): Added a hook to disable bmalloc
+        on the allocation path. We cache the setting to make the check fast.
+
+        * bmalloc/Allocator.h: Interface changes.
+
+        * bmalloc/Cache.cpp:
+        (bmalloc::Cache::Cache): Pass a heap pointer through to our allocator
+        and deallocator. This main purpose is to enable them to query the
+        environment for whether bmalloc is enabled; but this is also a slightly
+        cleaner way to guarantee to them that the Heap has been pre-initialized.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::Deallocator): If bmalloc is disable, artificially
+        fill the object log to force us to take the slow path on all deallocations.
+
+        (bmalloc::Deallocator::deallocateSlowCase): Do the disabled check.
+
+        * bmalloc/Deallocator.h: Interface changes.
+
+        * bmalloc/Environment.cpp: Added.
+        (bmalloc::Environment::Environment):
+        (bmalloc::Environment::computeIsBmallocEnabled):
+        * bmalloc/Environment.h: Added.
+        (bmalloc::Environment::isBmallocEnabled): This is the class that will
+        encapsulate looking for environment variables that turn on heap
+        analysis tools.
+
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::environment):
+
+        * bmalloc/Mutex.h:
+        (bmalloc::Mutex::Mutex):
+        * bmalloc/StaticMutex.h: A little refactoring to clarify these comments,
+        since I got super confused about them while writing this patch.
+
+        * bmalloc/VMHeap.cpp: Fixed an #include.
+
+2014-12-09  David Kilzer  <dd...@apple.com>
+
+        Switch from using PLATFORM_NAME to SDK selectors in ANGLE, bmalloc, gtest, JavaScriptCore, WTF
+        <http://webkit.org/b/139212>
+
+        Reviewed by Joseph Pecoraro.
+
+        * Configurations/Base.xcconfig:
+        - Only set GCC_ENABLE_OBJC_GC, GCC_MODEL_TUNING and TOOLCHAINS
+          on OS X.
+        * Configurations/DebugRelease.xcconfig:
+        - Only set MACOSX_DEPLOYMENT_TARGET and SDKROOT on OS X.
+
+2014-11-07  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc uses 8X more virtual memory than necessary
+        https://bugs.webkit.org/show_bug.cgi?id=138495
+
+        Reviewed by Mark Lam.
+
+        iOS has a per-process virtual memory cap around 1GB, so there's some
+        value to not going totally ham with virtual memory.
+
+        We currently use about 8X the necessary amount:
+            - 2X to align our VM allocation
+            - 4X to reserve small / medium / (2) large chunk VM ranges per superchunk
+
+        We can cut that down:
+            - Return the unaligned portion of our VM allocation (-2X)
+            - Use all the chunks in a superchunk, instead of allocating one
+              chunk per superchunk (-4X)
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::roundUpToMultipleOf): Added a non-constant version of this
+        function so we can call it with getpagesize() at runtime.
+
+        * bmalloc/Chunk.h:
+        * bmalloc/LargeChunk.h:
+        (bmalloc::LargeChunk::create): Deleted. Instead of each chunk allocating
+        its own VM, VMHeap allocates the superchunk and all the chunks in it at a time.
+
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmValidate):
+        (bmalloc::vmAllocate): ASSERT that mmap succeeds to make crashes clearer
+        if it does not succeed. Allocate precisely, and give back the extra.
+
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateSuperChunk):
+        (bmalloc::VMHeap::allocateSmallChunk): Deleted.
+        (bmalloc::VMHeap::allocateMediumChunk): Deleted.
+        (bmalloc::VMHeap::allocateLargeChunk): Deleted. Use all the chunks
+        in a superchunk, instead of just one.
+
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateSmallPage):
+        (bmalloc::VMHeap::allocateMediumPage):
+        (bmalloc::VMHeap::allocateLargeRange):
+        * bmalloc/XLargeChunk.h:
+        (bmalloc::XLargeChunk::create): Updated to match changes above.
+
+2014-11-01  David Kilzer  <dd...@apple.com>
+
+        JavaScriptCore is missing debug info for bmalloc because libbmalloc.a is stripped
+        <https://webkit.org/b/138286>
+        <rdar://problem/18847087>
+
+        Reviewed by Dan Bernstein.
+
+        * Configurations/bmalloc.xcconfig: Set STRIP_INSTALLED_PRODUCT
+        to NO for the target that produces libbmalloc.a so that the
+        debug symbols will be linked into JavaScriptCore and end up in
+        its dSYM file.
+
+2014-10-30  Dana Burkart  <db...@apple.com>
+
+        <rdar://problem/18821260> Prepare for the mysterious future
+
+        Reviewed by Lucas Forschler.
+
+        * Configurations/Base.xcconfig:
+        * Configurations/DebugRelease.xcconfig:
+
+2014-09-24  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: cleaned up fast path vs slow path
+        https://bugs.webkit.org/show_bug.cgi?id=137081
+
+        Reviewed by Sam Weinig.
+
+        Might be a 1% speedup on MallocBench. Also cleans up the code a bit.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::Allocator): Merged the small and medium range
+        caches, just like the small and medium allocators. Ranges are abstract
+        objects that don't really care whether they hold small or medium objects,
+        so they don't need to be segregated.
+
+        (bmalloc::Allocator::scavenge): Ditto.
+
+        (bmalloc::Allocator::allocateBumpRangeSlowCase):
+        (bmalloc::Allocator::allocateBumpRange): Same thing here, except that
+        we do care a tiny bit, because we need to specify small vs medium when
+        allocating new ranges from the heap, to ensure that the heap allocates
+        from the right segment of VM.
+
+        (bmalloc::Allocator::allocateLarge):
+        (bmalloc::Allocator::allocateXLarge): NO_INLINE because this was clouding
+        up the fast path. Large allocation performance is dominated by allocation
+        logic and initialization, so inlining it doesn't help.
+
+        (bmalloc::Allocator::allocateSlowCase): Slow path got a bit cleaner since
+        it doesn't need to distinguish small vs medium objects.
+
+        (bmalloc::Allocator::allocateSmallBumpRange): Deleted.
+        (bmalloc::Allocator::allocateMediumBumpRange): Deleted.
+
+        * bmalloc/Allocator.h:
+        * bmalloc/BumpRange.h:
+
+        * bmalloc/Cache.cpp:
+        (bmalloc::Cache::allocateSlowCase): Deleted.
+        (bmalloc::Cache::deallocateSlowCase): Deleted.
+        * bmalloc/Cache.h:
+        (bmalloc::Cache::allocate):
+        (bmalloc::Cache::deallocate):
+        (bmalloc::Cache::allocateFastCase): Deleted.
+        (bmalloc::Cache::deallocateFastCase): Deleted. Removed the Cache slow
+        paths. The downside to this change is that the fast path branches to two
+        distinct failure cases instead of one. The upside is that the slow path
+        doesn't need to re-read the segment register, which is not as cheap as a
+        normal register, and it doesn't need to do an extra level of function 
+        call. Seems to be worth it.
+
+        * bmalloc/Deallocator.h:
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::refillSmallBumpRangeCache):
+        (bmalloc::Heap::refillMediumBumpRangeCache):
+        * bmalloc/Heap.h: Updated for interface changes.
+
+        * bmalloc/Sizes.h: The most ranges a cache will hold is the number of
+        small lines in a page / 2, since any other free lines will coalesce
+        with their neighbors.
+
+2014-09-23  Geoffrey Garen  <gg...@apple.com>
+
+        Rolled out r173346.
+
+            bmalloc should honor the FastMalloc statistics API
+            https://bugs.webkit.org/show_bug.cgi?id=136592
+
+        This didn't really work. Because we allow ranges with and without
+        physical pages to merge, and we allow double-committing and
+        double-decommitting, we can't rely on commit actions to track memory
+        footprint.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::size): Deleted.
+        (bmalloc::Heap::capacity): Deleted.
+        * bmalloc/Heap.h:
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::VMHeap):
+        (bmalloc::VMHeap::allocateSmallChunk):
+        (bmalloc::VMHeap::allocateMediumChunk):
+        (bmalloc::VMHeap::allocateLargeChunk):
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateSmallPage):
+        (bmalloc::VMHeap::allocateMediumPage):
+        (bmalloc::VMHeap::allocateLargeRange):
+        (bmalloc::VMHeap::deallocateSmallPage):
+        (bmalloc::VMHeap::deallocateMediumPage):
+        (bmalloc::VMHeap::deallocateLargeRange):
+        (bmalloc::VMHeap::size): Deleted.
+        (bmalloc::VMHeap::capacity): Deleted.
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::heapSize): Deleted.
+        (bmalloc::api::heapCapacity): Deleted.
+
+2014-09-23  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Allocation should be more precise
+        https://bugs.webkit.org/show_bug.cgi?id=136993
+
+        Reviewed by Gavin Barraclough.
+
+        13% reduction in heap size on the MallocBench *_memory_warning benchmarks.
+
+        This patch teaches the allocator to merge adjacent free lines into a
+        single allocatable range. This allows us to shrink the size of an
+        individual line without increasing fragmentation or the rate of allocator
+        slow paths.
+
+        We'll only take more slow paths when available memory is sparse, which
+        is exactly when it's worth it. When available memory is dense, we'll
+        take fewer slow paths.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/Algorithm.h:
+        (bmalloc::divideRoundingUp):
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::Allocator): Updated for interface changes.
+
+        (bmalloc::Allocator::scavenge): Scavenge by object instead of by line.
+        Now that we merge lines, it's not convenient to scavenge by line.
+
+        (bmalloc::Allocator::allocateSmallBumpRange):
+        (bmalloc::Allocator::allocateMediumBumpRange): Allocate whole ranges
+        instead of individual lines.
+
+        (bmalloc::Allocator::allocateSlowCase):
+        (bmalloc::Allocator::allocateSmallLine): Deleted.
+        (bmalloc::Allocator::allocateMediumLine): Deleted.
+        (bmalloc::Allocator::allocateMedium): Deleted.
+        * bmalloc/Allocator.h:
+        (bmalloc::Allocator::allocateFastCase): Folded medium allocations
+        into the standard fast path with small allocations. Since a BumpAllocator
+        just allocates out of an arbitrary range, it doesn't need to distinguish
+        between small and medium lines.
+
+        * bmalloc/BumpAllocator.h:
+        (bmalloc::BumpAllocator::size):
+        (bmalloc::BumpAllocator::BumpAllocator):
+        (bmalloc::BumpAllocator::init):
+        (bmalloc::BumpAllocator::refill):
+        (bmalloc::BumpAllocator::line): Deleted. No need to track line information
+        anymore: the heap just gives us a pointer and a pre-computed number of
+        objects, and we allocate them.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::processObjectLog): Updated for interface changes.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+        (bmalloc::Heap::initializeLineMetadata): Pre-compute precise metadata
+        detailing where all objects will lie in memory. After we merge two lines,
+        we might allocate an object that spans from one line to the next. This
+        metadata details which bits of memory overlap in that way, and how they
+        overlap.
+
+        (bmalloc::Heap::refillSmallBumpRangeCache):
+        (bmalloc::Heap::refillMediumBumpRangeCache): Scan a whole page at a time,
+        and merge adjacent free lines into BumpRanges.
+
+        (bmalloc::Heap::allocateSmallPage):
+        (bmalloc::Heap::allocateMediumPage):
+        (bmalloc::Heap::deallocateSmallLine):
+        (bmalloc::Heap::deallocateMediumLine): Track pages rather than lines,
+        since we scan for free memory a page at a time.
+
+        (bmalloc::Heap::allocateSmallLineSlowCase): Deleted.
+        (bmalloc::Heap::allocateMediumLineSlowCase): Deleted. Folded into the
+        fast path.
+
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::derefSmallLine):
+        (bmalloc::Heap::derefMediumLine):
+        (bmalloc::Heap::deallocateSmallLine): Deleted.
+        (bmalloc::Heap::allocateSmallLine): Deleted.
+        (bmalloc::Heap::deallocateMediumLine): Deleted.
+        (bmalloc::Heap::allocateMediumLine): Deleted. Updated for interface changes.
+
+        * bmalloc/Line.h:
+        (bmalloc::Line<Traits>::ref):
+        (bmalloc::Line<Traits>::deref):
+        (bmalloc::Line<Traits>::concurrentRef): Deleted. We don't pass a derefCount
+        anymore, since we only ever deref by 1 now.
+
+        * bmalloc/MediumAllocator.h:
+        (bmalloc::MediumAllocator::isNull): Deleted.
+        (bmalloc::MediumAllocator::MediumAllocator): Deleted.
+        (bmalloc::MediumAllocator::line): Deleted.
+        (bmalloc::MediumAllocator::allocate): Deleted.
+        (bmalloc::MediumAllocator::derefCount): Deleted.
+        (bmalloc::MediumAllocator::refill): Deleted.
+        (bmalloc::MediumAllocator::clear): Deleted. Deleted some code that's
+        been dead for a while, since it doesn't build anymore with this patch.
+
+        * bmalloc/Page.h:
+        (bmalloc::Page::sizeClass):
+        (bmalloc::Page::setSizeClass):
+        (bmalloc::Page::smallSizeClass): Deleted.
+        (bmalloc::Page::setSmallSizeClass): Deleted. Renamed setSmallSizeClass
+        to sizeClass, since we use it for medium sizes too.
+
+        * bmalloc/Sizes.h:
+        (bmalloc::Sizes::sizeClass):
+        (bmalloc::Sizes::objectSize): Shrank line sizes to save memory.
+
+        (bmalloc::Sizes::smallSizeClassFor): Deleted.
+        (bmalloc::Sizes::mediumSizeClassFor): Deleted.
+
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::realloc): Now that we have precise objects sizes, realloc
+        can be a bit more precise. It also has to be, since we can't guarantee
+        that an object ends at the end of a line anymore.
+
+2014-09-19  Daniel Bates  <da...@apple.com>
+
+        Always assume internal SDK when building configuration Production
+        https://bugs.webkit.org/show_bug.cgi?id=136925
+        <rdar://problem/18362399>
+
+        Reviewed by Dan Bernstein.
+
+        * Configurations/Base.xcconfig:
+
+2014-09-16  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: moved line caches from the deallocator to the allocator
+        https://bugs.webkit.org/show_bug.cgi?id=136868
+
+        Reviewed by Gavin Barraclough.
+
+        I did this mostly as a simplification, to make it easier to change the
+        allocation strategy.
+
+        No throughput change on MallocBench. Saves about 50kB.
+
+        Since the deallocator needs to lock the heap when freeing lines anyway,
+        there isn't much benefit to giving the deallocator a local cache of
+        deallocated lines.
+
+        We still give the allocator a local cache of lines because that does
+        reduce the frequency at which it needs to lock the heap in order to
+        acquire more lines.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::scavenge):
+        (bmalloc::Allocator::allocateSmallLine):
+        (bmalloc::Allocator::allocateMediumLine):
+        (bmalloc::Allocator::allocateMedium):
+        (bmalloc::Allocator::allocateSlowCase):
+        * bmalloc/Allocator.h:
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::Deallocator):
+        (bmalloc::Deallocator::scavenge):
+        (bmalloc::Deallocator::processObjectLog):
+        (bmalloc::Deallocator::deallocateSmallLine): Deleted.
+        (bmalloc::Deallocator::allocateSmallLine): Deleted.
+        (bmalloc::Deallocator::deallocateMediumLine): Deleted.
+        (bmalloc::Deallocator::allocateMediumLine): Deleted.
+        * bmalloc/Deallocator.h:
+
+        * bmalloc/Sizes.h:
+        * bmalloc/VMAllocate.h: Took the opportunity to make the line cache size
+        exactly one page in size. That's about what we were shooting for anyway,
+        and it may make it easier to switch to per-page allocation in future.
+
+2014-09-15  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: allocate small and medium objects using the same bump pointer class
+        https://bugs.webkit.org/show_bug.cgi?id=136843
+
+        Reviewed by Gavin Barraclough.
+
+        4% speedup on MallocBench.
+
+        Now that medium-sized objects have dedicated per-size allocators, they
+        don't need to use an arbitrary bump pointer allocator. This means that
+        every allocator knows how many objects it will allocate from the start,
+        and we don't need a post-processing step to adjust refcounts based on
+        real allocation count.
+
+        * bmalloc.xcodeproj/project.pbxproj: Renamed SmallAllocator to BumpAllocator
+        since it's used for small and medium objects now.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::Allocator): Updated to use new interface.
+        (bmalloc::Allocator::scavenge): To "retire" an allocator, we just need
+        to make sure that we finish allocating all the objects in it.
+
+        (bmalloc::Allocator::allocateMedium):
+        (bmalloc::Allocator::allocateSlowCase):
+        (bmalloc::Allocator::retire): Deleted.
+        (bmalloc::Allocator::processSmallAllocatorLog): Deleted.
+        (bmalloc::Allocator::processMediumAllocatorLog): Deleted.
+        * bmalloc/Allocator.h:
+        (bmalloc::Allocator::allocateFastCase): Removed abstractions and data
+        used to post-process an allocator based on how many objects it allocated.
+
+        * bmalloc/BumpAllocator.h: Copied from Source/bmalloc/bmalloc/SmallAllocator.h.
+        (bmalloc::BumpAllocator::BumpAllocator):
+        (bmalloc::BumpAllocator::init):
+        (bmalloc::BumpAllocator::line):
+        (bmalloc::BumpAllocator::validate):
+        (bmalloc::BumpAllocator::allocate):
+        (bmalloc::BumpAllocator::refill):
+        (bmalloc::BumpAllocator::clear): Updated these functions to be agnostic
+        about the kinds of lines they allocate into. In some cases, the line
+        type must be provided as a template parameter by the caller.
+
+        (bmalloc::SmallAllocator::SmallAllocator): Deleted.
+        (bmalloc::SmallAllocator::line): Deleted.
+        (bmalloc::SmallAllocator::allocate): Deleted.
+        (bmalloc::SmallAllocator::objectCount): Deleted.
+        (bmalloc::SmallAllocator::derefCount): Deleted.
+        (bmalloc::SmallAllocator::refill): Deleted.
+        (bmalloc::SmallAllocator::clear): Deleted.
+
+        * bmalloc/ObjectType.h:
+        (bmalloc::isMedium):
+
+        * bmalloc/SmallAllocator.h:
+        (bmalloc::SmallAllocator::isNull): Deleted.
+        (bmalloc::SmallAllocator::canAllocate): Deleted.
+        (bmalloc::SmallAllocator::SmallAllocator): Deleted.
+        (bmalloc::SmallAllocator::line): Deleted.
+        (bmalloc::SmallAllocator::allocate): Deleted.
+        (bmalloc::SmallAllocator::objectCount): Deleted.
+        (bmalloc::SmallAllocator::derefCount): Deleted.
+        (bmalloc::SmallAllocator::refill): Deleted.
+        (bmalloc::SmallAllocator::clear): Deleted.
+
+2014-09-12  Geoffrey Garen  <gg...@apple.com>
+
+        Fixed a goof in bmalloc Vector sizing
+        https://bugs.webkit.org/show_bug.cgi?id=136795
+
+        Reviewed by Gavin Barraclough and Sam Weinig.
+
+        We want our minimum vector to be page-sized since the OS will give us
+        a page no matter what -- but we want that many bytes, and not enough
+        bytes to store that many elements.
+
+        * bmalloc/Vector.h: Math is hard.
+
+2014-09-11  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc should segregate medium-sized objects by line like it does for small-sized objects
+        https://bugs.webkit.org/show_bug.cgi?id=136693
+
+        Reviewed by Gavin Barraclough.
+
+        4% reduction in heap size on the MallocBench *_memory_warning benchmarks.
+
+        No throughput change.
+
+        We keep an array of medium allocators, just like our array of small
+        allocators.
+
+        In future, we can simplify the allocation fast path by merging the small
+        and medium allocator arrays. For now, this is the simplest change that
+        gets the win.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::Allocator):
+        (bmalloc::Allocator::scavenge):
+        (bmalloc::Allocator::allocateMedium):
+        * bmalloc/Allocator.h:
+        * bmalloc/Sizes.h:
+        (bmalloc::Sizes::mediumSizeClassFor):
+
+2014-09-11  Geoffrey Garen  <gg...@apple.com>
+
+        Reviewed by Sam Weinig.
+
+        Renamed log => retire for clarity.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::scavenge):
+        (bmalloc::Allocator::retire):
+        (bmalloc::Allocator::allocateMedium):
+        (bmalloc::Allocator::allocateSlowCase):
+        (bmalloc::Allocator::log): Deleted.
+        * bmalloc/Allocator.h:
+
+2014-09-11  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: eager scavenge leaves behind a bogus allocator
+        https://bugs.webkit.org/show_bug.cgi?id=136743
+
+        Reviewed by Sam Weinig.
+
+        Be sure to clear the allocator after logging it in the eager scavenge
+        case, so that we don't later try to allocate out of the lines that we
+        have thrown away.
+
+        We didn't need to do this previously because scavenge would only happen
+        at thread exit time, after which no further allocation from the per-thread
+        cache would take place.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::scavenge):
+        * bmalloc/MediumAllocator.h:
+        (bmalloc::MediumAllocator::clear):
+        * bmalloc/SmallAllocator.h:
+        (bmalloc::SmallAllocator::clear):
+
+2014-09-05  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc should honor the FastMalloc statistics API
+        https://bugs.webkit.org/show_bug.cgi?id=136592
+
+        Reviewed by Gavin Barraclough.
+
+        We do this by tracking "size" and "capacity" in the VM heap.
+
+        The VM heap's "capacity" is all the VM we ever allocated.
+
+        The VM heap's "size" the subset of VM currently held onto by the
+        VM heap (and therefore not in use by the regular heap).
+
+        Somewhat ironically, reducing the process's memory footprint, increases
+        the size of the VM heap, since the VM heap holds the pages that are
+        purely virtual and not physical.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::size):
+        (bmalloc::Heap::capacity):
+        * bmalloc/Heap.h:
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::VMHeap):
+        (bmalloc::VMHeap::allocateSmallChunk):
+        (bmalloc::VMHeap::allocateMediumChunk):
+        (bmalloc::VMHeap::allocateLargeChunk):
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::size):
+        (bmalloc::VMHeap::capacity):
+        (bmalloc::VMHeap::allocateSmallPage):
+        (bmalloc::VMHeap::allocateMediumPage):
+        (bmalloc::VMHeap::allocateLargeRange):
+        (bmalloc::VMHeap::deallocateSmallPage):
+        (bmalloc::VMHeap::deallocateMediumPage):
+        (bmalloc::VMHeap::deallocateLargeRange):
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::heapSize):
+        (bmalloc::api::heapCapacity):
+
+2014-09-02  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc crashes on the EWS bots (due to bad large object allocation)
+        https://bugs.webkit.org/show_bug.cgi?id=136469
+
+        Reviewed by Andreas Kling.
+
+        It's possible to convince bmalloc to perform a bad large object allocation,
+        through these steps:
+
+        (1) Insert object A into freelist F0.
+
+        (2) Split, merge and split again A's neighbors such that object B is
+        inserted into freelist F0, with boundary tag and size equal to object A,
+        but pointer not completely equal to object A. Put object B at the head of F0.
+
+        (3) Allocate some other object from F0, swapping its position in the
+        freelist with object B, such that object A is now ahead of object B.
+
+        --> Now, the next allocation for size A/B will allocate object A, which
+        has a slightly wrong idea about where the object actually begins.
+        Immediately, you'll corrupt a little memory, and over time, you'll also
+        corrupt boundary tag metadata.
+
+        The solution is to store the begin pointer in the boundary tag. Luckily,
+        this doesn't make the tag any bigger, and it's not a noticeable slowdown
+        on MallocBench.
+
+        * bmalloc/Algorithm.h:
+        (bmalloc::rightShift):
+        * bmalloc/BeginTag.h:
+        (bmalloc::BeginTag::isInFreeList): This is the bug fix. Make sure to
+        validate the start pointer when popping off the free list. Through a
+        very uncommon set of steps, it is possible to have an item in the free
+        list that is valid by all accounts except for its start pointer.
+
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::compactBegin):
+        (bmalloc::BoundaryTag::setRange):
+        (bmalloc::BoundaryTag::setSize): Deleted. Record a compact version of the
+        start pointer. We don't need the whole pointer -- just the offset, in
+        largeAlignment increments, into the relevant boundary tag bucket.
+
+        * bmalloc/BoundaryTagInlines.h:
+        (bmalloc::validateNext):
+        (bmalloc::BoundaryTag::init):
+        (bmalloc::BoundaryTag::mergeLarge):
+        (bmalloc::BoundaryTag::splitLarge):
+        * bmalloc/SegregatedFreeList.cpp:
+        (bmalloc::SegregatedFreeList::insert):
+        (bmalloc::SegregatedFreeList::takeGreedy):
+        (bmalloc::SegregatedFreeList::take): Provide the whole range instead of
+        the size when establishing a boundary tag, as required by the new
+        interface.
+
+        * bmalloc/Sizes.h:
+
+2014-08-14  Geoffrey Garen  <gg...@apple.com>
+
+        Fixed a bmalloc crash seen on the EWS bot
+        https://bugs.webkit.org/show_bug.cgi?id=135955
+
+        Reviewed by Andreas Kling.
+
+        * bmalloc/Syscall.h: Some CG APIs vm_copy their input buffers. If the
+        input buffer is a malloc region, that region will get marked Copy-On-Write
+        by the kernel. Calls to madvise() for COW regions fail and return EINVAL
+        on older OS X's. In 10.10, they still fail, but they do not return
+        EINVAL.
+
+        So, we can only ASSERT that our syscalls succeed starting with 10.10.
+
+2014-08-14  Geoffrey Garen  <gg...@apple.com>
+
+        Fixed the bmalloc build
+        https://bugs.webkit.org/show_bug.cgi?id=135953
+
+        Reviewed by Andreas Kling.
+
+        * bmalloc.xcodeproj/project.pbxproj: Marked a few headers as private.
+        These headers are used, so they must be available outside the project.
+
+2014-08-13  Daniel Bates  <da...@apple.com>
+
+        Attempt to fix the build following <http://trac.webkit.org/changeset/172576>
+        (https://bugs.webkit.org/show_bug.cgi?id=135895)
+
+        Substitute PerThreadStorage<T>::initSharedKeyIfNeeded() for initSharedKeyIfNeeded() in
+        implementation of PerThread<T>::getFastCase().
+
+        * bmalloc/PerThread.h:
+        (bmalloc::PerThread<T>::getFastCase):
+
+2014-08-13  Daniel Bates  <da...@apple.com>
+
+        Make bmalloc::PerThread work without C++ thread local storage
+        https://bugs.webkit.org/show_bug.cgi?id=135895
+
+        Reviewed by Geoffrey Garen.
+
+        Implement support for building bmalloc without C++ thread local storage.
+
+        * bmalloc/BPlatform.h: Remove macro define BPLATFORM_IOS_SIMULATOR. Added macro function
+        BCOMPILER_SUPPORTS() and macro define BCOMPILER_SUPPORTS_CXX_THREAD_LOCAL that can be used
+        to determine whether the compiler supports C++ thread local storage.
+        * bmalloc/PerThread.h:
+        (bmalloc::PerThreadStorage::get): Modified to call pthread_getspecific() when building
+        without C++ thread local storage.
+        (bmalloc::PerThreadStorage::initSharedKeyIfNeeded): Added.
+        (bmalloc::PerThreadStorage::init): Moved logic to initialize shared Pthread key from here to
+        PerThreadStorage::initSharedKeyIfNeeded().
+        (bmalloc::PerThread<T>::getFastCase): Modified to call PerThreadStorage::initSharedKeyIfNeeded()
+        before querying PerThreadStorage::get() when building without C++ thread local storage so as to
+        ensure that the shared key has been initialized.
+        (_pthread_setspecific_direct): Deleted.
+        (_pthread_getspecific_direct): Deleted.
+
+2014-08-13  Daniel Bates  <da...@apple.com>
+
+        [iOS] Make JavaScriptCore and bmalloc build with the public SDK
+        https://bugs.webkit.org/show_bug.cgi?id=135848
+
+        Reviewed by Geoffrey Garen.
+
+        * bmalloc/BPlatform.h: Added macro BPLATFORM_IOS_SIMULATOR, which evaluates to true
+        when building for the iOS Simulator.
+        * bmalloc/PerThread.h: Use pthread_machdep.h code path when building for iOS Simulator
+        using the public SDK.
+        (_pthread_setspecific_direct): Added; only defined when building for the iOS Simulator
+        using the public SDK.
+        (_pthread_getspecific_direct): Added; only defined when building for the iOS Simulator
+        using the public SDK.
+
+2014-08-12  Daniel Bates  <da...@apple.com>
+
+        BPLATFORM(IOS) always evaluates to false
+        https://bugs.webkit.org/show_bug.cgi?id=135843
+
+        Reviewed by Geoffrey Garen.
+
+        Fix typo in definition of BPLATFORM() and include system header TargetConditionals.h
+        (when building on an Apple platform) so that BPLATFORM(X) evaluates to true when
+        building for platform X. In particular, so that BPLATFORM(IOS) evaluates to true when
+        building for iOS.
+
+        As a side effect of this change, the change made in <http://trac.webkit.org/changeset/167289>
+        will be honored and iOS will assume a VM page size of 16kB (again) instead of 4kB.
+
+        * bmalloc/BPlatform.h:
+
+2014-08-11  Andy Estes  <ae...@apple.com>
+
+        [iOS] Get rid of iOS.xcconfig
+        https://bugs.webkit.org/show_bug.cgi?id=135809
+
+        Reviewed by Joseph Pecoraro.
+
+        All iOS.xcconfig did was include AspenFamily.xcconfig, so there's no need for the indirection.
+
+        * Configurations/Base.xcconfig:
+        * Configurations/iOS.xcconfig: Removed.
+        * bmalloc.xcodeproj/project.pbxproj:
+
+2014-05-01  Dan Bernstein  <mi...@apple.com>
+
+        Fixed production builds for the iOS Simulator.
+        <rdar://problem/16792221>
+
+        * Configurations/bmalloc.xcconfig: Include INSTALL_PATH_PREFIX in
+        PRIVATE_HEADERS_FOLDER_PATH when installing.
+
+2014-04-20  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Segregate pages by objects size
+        https://bugs.webkit.org/show_bug.cgi?id=131909
+
+        Reviewed by Andreas Kling.
+
+        2% reduction in memory-at-end on the Membuster memory_warning benchmarks.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocateSlowCase):
+        * bmalloc/Allocator.h:
+        (bmalloc::Allocator::allocateFastCase):
+        (bmalloc::Allocator::smallAllocatorFor): Use the new shared helper
+        function for size class calculation.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::Deallocator):
+        (bmalloc::Deallocator::scavenge):
+        (bmalloc::Deallocator::deallocateSmallLine):
+        (bmalloc::Deallocator::allocateSmallLine):
+        * bmalloc/Deallocator.h: Keep a cache for every size class, since the
+        cache can't be shared anymore.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateSmallLineSlowCase):
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::deallocateSmallLine): Ditto.
+
+        (bmalloc::Heap::allocateSmallLine): Check size class in addition to
+        page refcount when allocating a line because we might have deallocated
+        the page and the recycled it for another size class.
+
+        (bmalloc::Heap::deallocateMediumLine):
+        (bmalloc::Heap::allocateMediumLine):
+        * bmalloc/Line.h:
+        (bmalloc::Line::refCount):
+        * bmalloc/Page.h:
+        (bmalloc::Page::refCount):
+        (bmalloc::Page::smallSizeClass):
+        (bmalloc::Page::setSmallSizeClass):
+        (bmalloc::Page<Traits>::refCount): Deleted.
+        * bmalloc/Sizes.h:
+        (bmalloc::Sizes::smallSizeClassFor): New shared API for computing
+        an index into an array from a size.
+
+2014-04-19  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Improved alignment in LargeChunk
+        https://bugs.webkit.org/show_bug.cgi?id=131895
+
+        Reviewed by Andreas Kling.
+
+        * bmalloc/Chunk.h:
+        * bmalloc/LargeChunk.h: Align to vmPageSize just like Chunk does.
+        Technically, the previous alignment was harmless, but I would prefer,
+        dear reader, not to have to explain the interlocking set of
+        circumstances that made it so.
+
+2014-04-19  Geoffrey Garen  <gg...@apple.com>
+
+        Rolled out r167502 because it caused a crash on the facebook benchmark.
+
+        Unreviewed.
+
+            bmalloc: Added an XSmall line size
+            https://bugs.webkit.org/show_bug.cgi?id=131851
+
+            Reviewed by Sam Weinig.
+
+2014-04-19  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Mutex should be harder to use wrong
+        https://bugs.webkit.org/show_bug.cgi?id=131879
+
+        Reviewed by Andreas Kling.
+
+        Mutex now has a proper constructor, so you can't deadlock by forgetting
+        to initialize it.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::processXSmallAllocatorLog):
+        (bmalloc::Allocator::processSmallAllocatorLog):
+        (bmalloc::Allocator::processMediumAllocatorLog):
+        (bmalloc::Allocator::allocateLarge):
+        (bmalloc::Allocator::allocateXLarge): Global replace Mutex => StaticMutex,
+        since the Heap mutex is a static.
+
+        * bmalloc/AsyncTask.h:
+        (bmalloc::Function>::AsyncTask): Use Mutex, since we're not static. No
+        need for explicit initialization anymore.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::scavenge):
+        (bmalloc::Deallocator::deallocateLarge):
+        (bmalloc::Deallocator::deallocateXLarge):
+        (bmalloc::Deallocator::processObjectLog):
+        (bmalloc::Deallocator::deallocateSmallLine):
+        (bmalloc::Deallocator::deallocateXSmallLine):
+        (bmalloc::Deallocator::allocateSmallLine):
+        (bmalloc::Deallocator::allocateXSmallLine):
+        (bmalloc::Deallocator::deallocateMediumLine):
+        (bmalloc::Deallocator::allocateMediumLine):
+        * bmalloc/Deallocator.h:
+        * bmalloc/Heap.cpp:
+        (bmalloc::sleep):
+        (bmalloc::Heap::Heap):
+        (bmalloc::Heap::concurrentScavenge):
+        (bmalloc::Heap::scavenge):
+        (bmalloc::Heap::scavengeSmallPages):
+        (bmalloc::Heap::scavengeXSmallPages):
+        (bmalloc::Heap::scavengeMediumPages):
+        (bmalloc::Heap::scavengeLargeRanges):
+        (bmalloc::Heap::allocateXSmallLineSlowCase):
+        (bmalloc::Heap::allocateSmallLineSlowCase):
+        (bmalloc::Heap::allocateMediumLineSlowCase):
+        (bmalloc::Heap::allocateXLarge):
+        (bmalloc::Heap::deallocateXLarge):
+        (bmalloc::Heap::allocateLarge):
+        (bmalloc::Heap::deallocateLarge):
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::deallocateXSmallLine):
+        (bmalloc::Heap::allocateXSmallLine):
+        (bmalloc::Heap::deallocateSmallLine):
+        (bmalloc::Heap::allocateSmallLine):
+        (bmalloc::Heap::deallocateMediumLine):
+        (bmalloc::Heap::allocateMediumLine):
+        * bmalloc/Line.h:
+        (bmalloc::Line<Traits>::deref):
+        * bmalloc/Mutex.cpp: Removed.
+        * bmalloc/Mutex.h:
+        (bmalloc::Mutex::Mutex):
+        (bmalloc::Mutex::init): Deleted.
+        (bmalloc::Mutex::try_lock): Deleted.
+        (bmalloc::Mutex::lock): Deleted.
+        (bmalloc::Mutex::unlock): Deleted.
+        * bmalloc/Page.h:
+        (bmalloc::Page<Traits>::ref):
+        (bmalloc::Page<Traits>::deref):
+        (bmalloc::Page<Traits>::refCount):
+        * bmalloc/PerProcess.h:
+        (bmalloc::PerProcess::mutex):
+        (bmalloc::PerProcess<T>::getSlowCase):
+        * bmalloc/StaticMutex.cpp: Added.
+        (bmalloc::StaticMutex::lockSlowCase):
+        * bmalloc/StaticMutex.h: Added.
+        (bmalloc::StaticMutex::init):
+        (bmalloc::StaticMutex::try_lock):
+        (bmalloc::StaticMutex::lock):
+        (bmalloc::StaticMutex::unlock):
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::deallocateXSmallPage):
+        (bmalloc::VMHeap::deallocateSmallPage):
+        (bmalloc::VMHeap::deallocateMediumPage):
+        (bmalloc::VMHeap::deallocateLargeRange):
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::scavenge): Global replace Mutex => StaticMutex,
+        since the Heap mutex is a static.
+
+2014-04-18  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: AsyncTask should use Mutex instead of std::mutex
+        https://bugs.webkit.org/show_bug.cgi?id=131865
+
+        Reviewed by Gavin Barraclough.
+
+        std::mutex is so slow that it makes parallelizing simple tasks through
+        AsyncTask a net regression. Mutex fixes this.
+
+        * bmalloc/AsyncTask.h:
+        (bmalloc::Function>::AsyncTask):
+        (bmalloc::Function>::join):
+        (bmalloc::Function>::runSlowCase):
+        (bmalloc::Function>::entryPoint):
+        * bmalloc/Mutex.h:
+        (bmalloc::Mutex::init):
+
+2014-04-18  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Added an XSmall line size
+        https://bugs.webkit.org/show_bug.cgi?id=131851
+
+        Reviewed by Sam Weinig.
+
+        Reduces malloc footprint on Membuster recordings by 10%.
+
+        This is a throughput regression, but we're still way ahead of TCMalloc.
+        I have some ideas for how to recover the regression -- but I wanted to
+        get this win in first.
+
+        Full set of benchmark results:
+
+                bmalloc> ~/webkit/PerformanceTests/MallocBench/run-malloc-benchmarks --measure-heap nopatch:~/scratch/Build-nopatch/Release/ patch:~/webkit/WebKitBuild/Release/
+                                                                                                
+                                                               nopatch                      patch                                Δ
+                Peak Memory:
+                    reddit_memory_warning                      7,896kB                    7,532kB                  ^ 1.05x smaller
+                    flickr_memory_warning                     12,968kB                   12,324kB                  ^ 1.05x smaller
+                    theverge_memory_warning                   16,672kB                   15,200kB                   ^ 1.1x smaller
+
+                    <geometric mean>                          11,952kB                   11,216kB                  ^ 1.07x smaller
+                    <arithmetic mean>                         12,512kB                   11,685kB                  ^ 1.07x smaller
+                    <harmonic mean>                           11,375kB                   10,726kB                  ^ 1.06x smaller
+
+                Memory at End:
+                    reddit_memory_warning                      7,320kB                    6,856kB                  ^ 1.07x smaller
+                    flickr_memory_warning                     10,848kB                    9,692kB                  ^ 1.12x smaller
+                    theverge_memory_warning                   16,380kB                   14,872kB                   ^ 1.1x smaller
+
+                    <geometric mean>                          10,916kB                    9,961kB                   ^ 1.1x smaller
+                    <arithmetic mean>                         11,516kB                   10,473kB                   ^ 1.1x smaller
+                    <harmonic mean>                           10,350kB                    9,485kB                  ^ 1.09x smaller
+
+                MallocBench> ~/webkit/PerformanceTests/MallocBench/run-malloc-benchmarks nopatch:~/scratch/Build-nopatch/Release/ patch:~/webkit/WebKitBuild/Release/
+                                                                                                
+                                                   nopatch                patch                         Δ
+                Execution Time:
+                    churn                            127ms                151ms            ! 1.19x slower
+                    list_allocate                    130ms                164ms            ! 1.26x slower
+                    tree_allocate                    109ms                127ms            ! 1.17x slower
+                    tree_churn                       115ms                120ms            ! 1.04x slower
+                    facebook                         240ms                259ms            ! 1.08x slower
+                    fragment                          91ms                131ms            ! 1.44x slower
+                    fragment_iterate                 105ms                106ms            ! 1.01x slower
+                    message_one                      260ms                259ms             ^ 1.0x faster
+                    message_many                     149ms                154ms            ! 1.03x slower
+                    medium                           194ms                248ms            ! 1.28x slower
+                    big                              157ms                160ms            ! 1.02x slower
+
+                    <geometric mean>                 144ms                163ms            ! 1.13x slower
+                    <arithmetic mean>                152ms                171ms            ! 1.12x slower
+                    <harmonic mean>                  137ms                156ms            ! 1.14x slower
+
+                MallocBench> ~/webkit/PerformanceTests/MallocBench/run-malloc-benchmarks nopatch:~/scratch/Build-nopatch/Release/ patch:~/webkit/WebKitBuild/Release/
+                                                                                                
+                                                                       nopatch                          patch                                     Δ
+                Execution Time:
+                    churn                                                126ms                          148ms                        ! 1.17x slower
+                    churn --parallel                                      62ms                           76ms                        ! 1.23x slower
+                    list_allocate                                        130ms                          164ms                        ! 1.26x slower
+                    list_allocate --parallel                             120ms                          175ms                        ! 1.46x slower
+                    tree_allocate                                        111ms                          127ms                        ! 1.14x slower
+                    tree_allocate --parallel                              95ms                          135ms                        ! 1.42x slower
+                    tree_churn                                           115ms                          124ms                        ! 1.08x slower
+                    tree_churn --parallel                                107ms                          126ms                        ! 1.18x slower
+                    facebook                                             240ms                          276ms                        ! 1.15x slower
+                    facebook --parallel                                  802ms                        1,088ms                        ! 1.36x slower
+                    fragment                                              92ms                          130ms                        ! 1.41x slower
+                    fragment --parallel                                   66ms                          124ms                        ! 1.88x slower
+                    fragment_iterate                                     109ms                          127ms                        ! 1.17x slower
+                    fragment_iterate --parallel                           55ms                           64ms                        ! 1.16x slower
+                    message_one                                          260ms                          260ms                                      
+                    message_many                                         170ms                          238ms                         ! 1.4x slower
+                    medium                                               185ms                          250ms                        ! 1.35x slower
+                    medium --parallel                                    210ms                          334ms                        ! 1.59x slower
+                    big                                                  150ms                          169ms                        ! 1.13x slower
+                    big --parallel                                       138ms                          144ms                        ! 1.04x slower
+
+                    <geometric mean>                                     135ms                          170ms                        ! 1.26x slower
+                    <arithmetic mean>                                    167ms                          214ms                        ! 1.28x slower
+                    <harmonic mean>                                      117ms                          148ms                        ! 1.26x slower
+
+                MallocBench> ~/webkit/PerformanceTests/MallocBench/run-malloc-benchmarks TC:~/scratch/Build-TCMalloc/Release/ patch:~/webkit/WebKitBuild/Release/
+
+                                                                    TC                      patch                                Δ
+                Peak Memory:
+                    reddit_memory_warning                     13,836kB                   13,436kB                  ^ 1.03x smaller
+                    flickr_memory_warning                     24,868kB                   25,188kB                   ! 1.01x bigger
+                    theverge_memory_warning                   24,504kB                   26,636kB                   ! 1.09x bigger
+
+                    <geometric mean>                          20,353kB                   20,812kB                   ! 1.02x bigger
+                    <arithmetic mean>                         21,069kB                   21,753kB                   ! 1.03x bigger
+                    <harmonic mean>                           19,570kB                   19,780kB                   ! 1.01x bigger
+
+                Memory at End:
+                    reddit_memory_warning                      8,656kB                   10,016kB                   ! 1.16x bigger
+                    flickr_memory_warning                     11,844kB                   13,784kB                   ! 1.16x bigger
+                    theverge_memory_warning                   18,516kB                   22,748kB                   ! 1.23x bigger
+
+                    <geometric mean>                          12,382kB                   14,644kB                   ! 1.18x bigger
+                    <arithmetic mean>                         13,005kB                   15,516kB                   ! 1.19x bigger
+                    <harmonic mean>                           11,813kB                   13,867kB                   ! 1.17x bigger
+
+                MallocBench> ~/webkit/PerformanceTests/MallocBench/run-malloc-benchmarks TC:~/scratch/Build-TCMalloc/Release/ patch:~/webkit/WebKitBuild/Release/
+                                                                                                
+                                                        TC                patch                         Δ
+                Execution Time:
+                    churn                            416ms                148ms            ^ 2.81x faster
+                    list_allocate                    463ms                164ms            ^ 2.82x faster
+                    tree_allocate                    292ms                127ms             ^ 2.3x faster
+                    tree_churn                       157ms                120ms            ^ 1.31x faster
+                    facebook                         327ms                276ms            ^ 1.18x faster
+                    fragment                         335ms                129ms             ^ 2.6x faster
+                    fragment_iterate                 344ms                108ms            ^ 3.19x faster
+                    message_one                      386ms                258ms             ^ 1.5x faster
+                    message_many                     410ms                154ms            ^ 2.66x faster
+                    medium                           391ms                245ms             ^ 1.6x faster
+                    big                              261ms                167ms            ^ 1.56x faster
+
+                    <geometric mean>                 332ms                164ms            ^ 2.02x faster
+                    <arithmetic mean>                344ms                172ms            ^ 1.99x faster
+                    <harmonic mean>                  317ms                157ms            ^ 2.02x faster
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::Allocator): Don't assume that each allocator's
+        index corresponds with its size. Instead, use the size selection function
+        explicitly. Now that we have XSmall, some small allocator entries are
+        unused.
+
+        (bmalloc::Allocator::scavenge):
+        (bmalloc::Allocator::log):
+        (bmalloc::Allocator::processXSmallAllocatorLog):
+        (bmalloc::Allocator::allocateSlowCase):
+        * bmalloc/Allocator.h:
+        (bmalloc::Allocator::xSmallAllocatorFor):
+        (bmalloc::Allocator::allocateFastCase):
+        * bmalloc/Chunk.h:
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::scavenge):
+        (bmalloc::Deallocator::processObjectLog):
+        (bmalloc::Deallocator::deallocateSlowCase):
+        (bmalloc::Deallocator::deallocateXSmallLine):
+        (bmalloc::Deallocator::allocateXSmallLine):
+        * bmalloc/Deallocator.h:
+        (bmalloc::Deallocator::deallocateFastCase):
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::scavenge):
+        (bmalloc::Heap::scavengeXSmallPages):
+        (bmalloc::Heap::allocateXSmallLineSlowCase):
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::deallocateXSmallLine):
+        (bmalloc::Heap::allocateXSmallLine):
+        * bmalloc/LargeChunk.h:
+        (bmalloc::LargeChunk::get):
+        (bmalloc::LargeChunk::endTag):
+        * bmalloc/Line.h:
+        * bmalloc/MediumAllocator.h:
+        (bmalloc::MediumAllocator::allocate):
+        (bmalloc::MediumAllocator::refill):
+        * bmalloc/ObjectType.cpp:
+        (bmalloc::objectType):
+        * bmalloc/ObjectType.h:
+        (bmalloc::isXSmall):
+        (bmalloc::isSmall):
+        (bmalloc::isMedium):
+        (bmalloc::isLarge):
+        (bmalloc::isSmallOrMedium): Deleted.
+        * bmalloc/SegregatedFreeList.h: I boiler-plate copied existing code for
+        handling small objects. There's probably a reasonable way to share this
+        code in the future -- I'll look into that once it's stopped changing.
+
+        * bmalloc/Sizes.h: Tweaked size classes to make Membuster happy. This
+        is the main reason things got slower.
+
+        * bmalloc/SmallAllocator.h:
+        (bmalloc::SmallAllocator::allocate):
+        * bmalloc/SmallTraits.h:
+        * bmalloc/VMHeap.cpp:
+        (bmalloc::VMHeap::allocateXSmallChunk):
+        * bmalloc/VMHeap.h:
+        (bmalloc::VMHeap::allocateXSmallPage):
+        (bmalloc::VMHeap::deallocateXSmallPage):
+        * bmalloc/XSmallAllocator.h: Added.
+        (bmalloc::XSmallAllocator::isNull):
+        (bmalloc::XSmallAllocator::canAllocate):
+        (bmalloc::XSmallAllocator::XSmallAllocator):
+        (bmalloc::XSmallAllocator::line):
+        (bmalloc::XSmallAllocator::allocate):
+        (bmalloc::XSmallAllocator::objectCount):
+        (bmalloc::XSmallAllocator::derefCount):
+        (bmalloc::XSmallAllocator::refill):
+        * bmalloc/XSmallChunk.h: Added.
+        * bmalloc/XSmallLine.h: Added.
+        * bmalloc/XSmallPage.h: Added.
+        * bmalloc/XSmallTraits.h: Added.
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::realloc): Boiler-plate copy, as above.
+
+2014-04-14  Geoffrey Garen  <gg...@apple.com>
+
+        MallocBench should scavenge explicitly instead of waiting
+        https://bugs.webkit.org/show_bug.cgi?id=131661
+
+        Reviewed by Andreas Kling.
+
+        Added explicit scavenge support to bmalloc. This isn't a memory win,
+        since bmalloc's per-thread cache is so small. But it makes testing
+        simpler.
+
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::~Allocator):
+        (bmalloc::Allocator::scavenge):
+        * bmalloc/Allocator.h:
+        * bmalloc/Cache.cpp:
+        (bmalloc::Cache::operator new):
+        (bmalloc::Cache::operator delete):
+        (bmalloc::Cache::Cache):
+        (bmalloc::Cache::scavenge):
+        * bmalloc/Cache.h:
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::~Deallocator):
+        (bmalloc::Deallocator::scavenge):
+        * bmalloc/Deallocator.h: Factored existing scavenging code into helper
+        functions, for reuse.
+
+        * bmalloc/Heap.cpp:
+        (bmalloc::sleep):
+        (bmalloc::Heap::concurrentScavenge):
+        (bmalloc::Heap::scavenge):
+        (bmalloc::Heap::scavengeSmallPages):
+        (bmalloc::Heap::scavengeMediumPages):
+        (bmalloc::Heap::scavengeLargeRanges):
+        * bmalloc/Heap.h: Made scavenge sleep duration a parameter. Forced
+        scavenging -- in response to a benchmark or a low memory warning --
+        wants to complete as soon as possible, so its sleep duration is 0.
+
+        * bmalloc/bmalloc.h:
+        (bmalloc::api::scavenge):
+        * bmalloc/mbmalloc.cpp: Exported the scavenge API for MallocBench's use.
+
+2014-04-14  Geoffrey Garen  <gg...@apple.com>
+
+        Use 4kB pages on Mac
+        https://bugs.webkit.org/show_bug.cgi?id=131658
+
+        Reviewed by Sam Weinig.
+
+        This reduces memory use a lot on Membuster:
+
+                                                                  base                      patch                                Δ
+                Execution Time:
+                    reddit_memory_warning                         18ms                       17ms                   ^ 1.06x faster
+                    flickr_memory_warning                         34ms                       36ms                   ! 1.06x slower
+                    theverge_memory_warning                       39ms                       41ms                   ! 1.05x slower
+
+                    <geometric mean>                              29ms                       29ms                   ! 1.02x slower
+                    <arithmetic mean>                             30ms                       31ms                   ! 1.03x slower
+                    <harmonic mean>                               27ms                       27ms                    ^ 1.0x faster
+
+                Peak Memory:
+                    reddit_memory_warning                     16,412kB                   16,436kB                    ! 1.0x bigger
+                    flickr_memory_warning                     30,120kB                   30,184kB                    ! 1.0x bigger
+                    theverge_memory_warning                   33,408kB                   33,420kB                    ! 1.0x bigger
+
+                    <geometric mean>                          25,466kB                   25,499kB                    ! 1.0x bigger
+                    <arithmetic mean>                         26,647kB                   26,680kB                    ! 1.0x bigger
+                    <harmonic mean>                           24,181kB                   24,214kB                    ! 1.0x bigger
+
+                Memory at End:
+                    reddit_memory_warning                      2,404kB                    1,920kB                  ^ 1.25x smaller
+                    flickr_memory_warning                      3,764kB                    3,072kB                  ^ 1.23x smaller
+                    theverge_memory_warning                    3,648kB                    3,132kB                  ^ 1.16x smaller
+
+                    <geometric mean>                           3,208kB                    2,644kB                  ^ 1.21x smaller
+                    <arithmetic mean>                          3,272kB                    2,708kB                  ^ 1.21x smaller
+                    <harmonic mean>                            3,139kB                    2,574kB                  ^ 1.22x smaller
+
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/BPlatform.h: Added.
+        * bmalloc/VMAllocate.h: Only use 16kB pages on iOS because the page size
+        is 4kB on Mac.
+
+2014-04-14  Alexey Proskuryakov  <ap...@apple.com>
+
+        Fixed svn:ignore on bmalloc.xcodeproj, it had erroneous leading spaces.
+
+        * bmalloc.xcodeproj: Modified property svn:ignore.
+
+2014-04-13  Geoffrey Garen  <gg...@apple.com>
+
+        Fixed some mbmalloc exports
+        https://bugs.webkit.org/show_bug.cgi?id=131599
+
+        Reviewed by Ryosuke Niwa.
+
+        * bmalloc.xcodeproj/project.pbxproj: Made some headers a private part
+        of the project, so we can call them from API.
+
+        * bmalloc/mbmalloc.cpp: Marked the mbmalloc functions with default
+        visibility, so they show up as exported in the .dylib.
+
+2014-04-09  Geoffrey Garen  <gg...@apple.com>
+
+        Put bmalloc headers in the right place
+        https://bugs.webkit.org/show_bug.cgi?id=131464
+
+        Reviewed by Mark Rowe.
+
+        * Configurations/bmalloc.xcconfig: Set PRIVATE_HEADERS_FOLDER_PATH to
+        specify that we don't just want to dump all of our generically-named
+        headers into /usr/local/include.
+
+2014-04-08  Geoffrey Garen  <gg...@apple.com>
+
+        Made bmalloc more #include friendly
+        https://bugs.webkit.org/show_bug.cgi?id=131386
+
+        Reviewed by Andreas Kling.
+
+        Marked a bunch of headers private so they can be used from client code
+        that #includes bmalloc.h.
+
+        Renamed ASSERT macros to BASSERT. This matches their header, which already
+        had to be renamed, and fixes conflicts with WTF's ASSERT macros.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::allocateSlowCase):
+        * bmalloc/AsyncTask.h:
+        (bmalloc::Function>::runSlowCase):
+        * bmalloc/BAssert.h:
+        * bmalloc/BoundaryTag.h:
+        (bmalloc::BoundaryTag::setSize):
+        * bmalloc/BoundaryTagInlines.h:
+        (bmalloc::validate):
+        (bmalloc::BoundaryTag::init):
+        (bmalloc::BoundaryTag::deallocate):
+        (bmalloc::BoundaryTag::splitLarge):
+        (bmalloc::BoundaryTag::allocate):
+        * bmalloc/Chunk.h:
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::processObjectLog):
+        (bmalloc::Deallocator::deallocateSlowCase):
+        * bmalloc/Deallocator.h:
+        (bmalloc::Deallocator::deallocateFastCase):
+        * bmalloc/FixedVector.h:
+        (bmalloc::Capacity>::operator):
+        (bmalloc::Capacity>::push):
+        (bmalloc::Capacity>::pop):
+        (bmalloc::Capacity>::shrink):
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::allocateLarge):
+        * bmalloc/LargeChunk.h:
+        (bmalloc::LargeChunk::get):
+        (bmalloc::LargeChunk::endTag):
+        * bmalloc/Line.h:
+        (bmalloc::Line<Traits>::concurrentRef):
+        (bmalloc::Line<Traits>::deref):
+        * bmalloc/MediumAllocator.h:
+        (bmalloc::MediumAllocator::allocate):
+        * bmalloc/ObjectType.h:
+        (bmalloc::isSmall):
+        * bmalloc/Page.h:
+        (bmalloc::Page<Traits>::ref):
+        (bmalloc::Page<Traits>::deref):
+        * bmalloc/PerThread.h:
+        (bmalloc::PerThread<T>::getSlowCase):
+        * bmalloc/SegregatedFreeList.cpp:
+        (bmalloc::SegregatedFreeList::SegregatedFreeList):
+        (bmalloc::SegregatedFreeList::insert):
+        * bmalloc/SmallAllocator.h:
+        (bmalloc::SmallAllocator::allocate):
+        (bmalloc::SmallAllocator::refill):
+        * bmalloc/Syscall.h:
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmValidate):
+        (bmalloc::vmAllocate):
+        (bmalloc::vmDeallocatePhysicalPagesSloppy):
+        * bmalloc/Vector.h:
+        (bmalloc::Vector<T>::operator):
+        (bmalloc::Vector<T>::pop):
+        (bmalloc::Vector<T>::shrink):
+        * bmalloc/XLargeChunk.h:
+        (bmalloc::XLargeChunk::range):
+        (bmalloc::XLargeChunk::size):
+
+2014-04-08  Geoffrey Garen  <gg...@apple.com>
+
+        Removed an unused file.
+
+        Unreviewed.
+
+        * bmalloc/AsyncTask.cpp: Removed.
+
+2014-04-07  Geoffrey Garen  <gg...@apple.com>
+
+        Build bmalloc on Mac
+        https://bugs.webkit.org/show_bug.cgi?id=131333
+
+        Reviewed by Mark Rowe.
+
+        * Makefile: Added. For make clients.
+
+        These files are required for building any project in WebKit. I copied
+        them from WTF:
+        * Configurations: Added.
+        * Configurations/Base.xcconfig: Added.
+        * Configurations/DebugRelease.xcconfig: Added.
+        * Configurations/bmalloc.xcconfig: Added.
+        * Configurations/iOS.xcconfig: Added.
+        * Configurations/mbmalloc.xcconfig: Added.
+
+        * bmalloc.xcodeproj/project.pbxproj: I removed per-project-file stuff
+        from here because everything is in .xcconfig files now.
+
+        I had to fix a bunch of minor warnings, since they're enabled in our
+        .xcconfig files:
+
+        * bmalloc/AsyncTask.h:
+        (bmalloc::Function>::AsyncTask):
+        * bmalloc/BAssert.h:
+        * bmalloc/BoundaryTagInlines.h:
+        (bmalloc::validate):
+        * bmalloc/Heap.cpp:
+        (bmalloc::Heap::Heap):
+        (bmalloc::Heap::allocateLarge):
+        (bmalloc::Heap::deallocateLarge):
+        * bmalloc/Mutex.h:
+        (bmalloc::Mutex::Mutex): Deleted.
+        * bmalloc/VMAllocate.h:
+        (bmalloc::vmValidate):
+        * bmalloc/mbmalloc.cpp:
+
+2014-04-07  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: Fixed a leak in the per-thread cache
+        https://bugs.webkit.org/show_bug.cgi?id=131330
+
+        Reviewed by Andreas Kling.
+
+        Remember to deallocate our line caches upon thread exit.
+
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::~Deallocator):
+
+2014-04-07  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc: rolled out the tryLock experiment
+        https://bugs.webkit.org/show_bug.cgi?id=131328
+
+        Reviewed by Andreas Kling.
+
+        It wasn't a speedup.
+
+        * bmalloc.xcodeproj/project.pbxproj:
+        * bmalloc/Allocator.cpp:
+        (bmalloc::Allocator::processSmallAllocatorLog):
+        (bmalloc::Allocator::processMediumAllocatorLog):
+        * bmalloc/Deallocator.cpp:
+        (bmalloc::Deallocator::processObjectLog):
+        (bmalloc::Deallocator::deallocateSlowCase):
+        (bmalloc::Deallocator::deallocateSmallLine):
+        (bmalloc::Deallocator::deallocateMediumLine):
+        * bmalloc/Deallocator.h:
+        (bmalloc::Deallocator::deallocateFastCase):
+        * bmalloc/Heap.h:
+        (bmalloc::Heap::deallocateSmallLine):
+        (bmalloc::Heap::deallocateMediumLine):
+        * bmalloc/Line.h:
+        (bmalloc::Line<Traits>::deref):
+        * bmalloc/Page.h:
+        (bmalloc::Page<Traits>::deref):
+
+2014-04-07  Geoffrey Garen  <gg...@apple.com>
+
+        bmalloc
+        https://bugs.webkit.org/show_bug.cgi?id=131170
+
+        Reviewed by Andreas Kling.
+
+        Initial commit.
+
+        * bmalloc: Added.
+        * bmalloc.xcodeproj: Added.
+        * bmalloc.xcodeproj/project.pbxproj: Added.
+        * bmalloc/Algorithm.h: Added.
+        (bmalloc::max):
+        (bmalloc::min):
+        (bmalloc::mask):
+        (bmalloc::test):
+        (bmalloc::roundUpToMultipleOf):
+        (bmalloc::roundDownToMultipleOf):
+        (bmalloc::sizeOf):
+        (bmalloc::bitCount):
+        (bmalloc::isPowerOfTwo):
+        * bmalloc/Allocator.cpp: Added.
+        (bmalloc::Allocator::Allocator):
+        (bmalloc::Allocator::~Allocator):
+        (bmalloc::Allocator::log):
+        (bmalloc::Allocator::processSmallAllocatorLog):
+        (bmalloc::Allocator::processMediumAllocatorLog):
+        (bmalloc::Allocator::allocateLarge):
+        (bmalloc::Allocator::allocateXLarge):
+        (bmalloc::Allocator::allocateMedium):
+        (bmalloc::Allocator::allocateSlowCase):
+        * bmalloc/Allocator.h: Added.
+        (bmalloc::Allocator::smallAllocatorFor):
+        (bmalloc::Allocator::allocateFastCase):
+        (bmalloc::Allocator::allocate):
+        * bmalloc/AsyncTask.cpp: Added.
+        (bmalloc::AsyncTask<Function>::runSlowCase):
+        (bmalloc::AsyncTask<Function>::pthreadEntryPoint):
+        (bmalloc::AsyncTask<Function>::entryPoint):
+        * bmalloc/AsyncTask.h: Added.
+        (bmalloc::Function>::AsyncTask):
+        (bmalloc::Function>::join):
+        (bmalloc::Function>::run):
+        (bmalloc::Function>::runSlowCase):
+        (bmalloc::Function>::pthreadEntryPoint):
+        (bmalloc::Function>::entryPoint):
+        * bmalloc/BAssert.h: Added.
+        * bmalloc/BeginTag.h: Added.
+        (bmalloc::BeginTag::isInFreeList):
+        * bmalloc/BoundaryTag.h: Added.
+        (bmalloc::BoundaryTag::isXLarge):
+        (bmalloc::BoundaryTag::setXLarge):
+        (bmalloc::BoundaryTag::isFree):
+        (bmalloc::BoundaryTag::setFree):
+        (bmalloc::BoundaryTag::isEnd):
+        (bmalloc::BoundaryTag::setEnd):
+        (bmalloc::BoundaryTag::hasPhysicalPages):
+        (bmalloc::BoundaryTag::setHasPhysicalPages):
+        (bmalloc::BoundaryTag::isNull):
+        (bmalloc::BoundaryTag::clear):
+        (bmalloc::BoundaryTag::size):
+        (bmalloc::BoundaryTag::setSize):
+        (bmalloc::BoundaryTag::prev):
+        (bmalloc::BoundaryTag::next):
+        * bmalloc/BoundaryTagInlines.h: Added.
+        (bmalloc::validate):
+        (bmalloc::validatePrev):
+        (bmalloc::validateNext):
+        (bmalloc::BoundaryTag::init):
+        (bmalloc::BoundaryTag::mergeLargeLeft):
+        (bmalloc::BoundaryTag::mergeLargeRight):
+        (bmalloc::BoundaryTag::mergeLarge):
+        (bmalloc::BoundaryTag::deallocate):
+        (bmalloc::BoundaryTag::splitLarge):
+        (bmalloc::BoundaryTag::allocate):
+        * bmalloc/Cache.cpp: Added.
+        (bmalloc::Cache::operator new):
+        (bmalloc::Cache::operator delete):
+        (bmalloc::Cache::Cache):
+        (bmalloc::Cache::allocateSlowCase):
+        (bmalloc::Cache::allocateSlowCaseNullCache):
+        (bmalloc::Cache::deallocateSlowCase):
+        (bmalloc::Cache::deallocateSlowCaseNullCache):
+        * bmalloc/Cache.h: Added.
+        (bmalloc::Cache::allocator):
+        (bmalloc::Cache::deallocator):
+        (bmalloc::Cache::allocateFastCase):
+        (bmalloc::Cache::deallocateFastCase):
+        (bmalloc::Cache::allocate):
+        (bmalloc::Cache::deallocate):
+        * bmalloc/Chunk.h: Added.
+        (bmalloc::Chunk::begin):
+        (bmalloc::Chunk::end):
+        (bmalloc::Chunk::lines):
+        (bmalloc::Chunk::pages):
+        * bmalloc/Deallocator.cpp: Added.
+        (bmalloc::Deallocator::Deallocator):
+        (bmalloc::Deallocator::~Deallocator):
+        (bmalloc::Deallocator::deallocateLarge):
+        (bmalloc::Deallocator::deallocateXLarge):
+        (bmalloc::Deallocator::processObjectLog):
+        (bmalloc::Deallocator::deallocateSlowCase):
+        (bmalloc::Deallocator::deallocateSmallLine):
+        (bmalloc::Deallocator::allocateSmallLine):
+        (bmalloc::Deallocator::deallocateMediumLine):
+        (bmalloc::Deallocator::allocateMediumLine):
+        * bmalloc/Deallocator.h: Added.
+        (bmalloc::Deallocator::deallocateFastCase):
+        (bmalloc::Deallocator::deallocate):
+        * bmalloc/EndTag.h: Added.
+        (bmalloc::EndTag::operator=):
+        * bmalloc/FixedVector.h: Added.
+        (bmalloc::FixedVector::begin):
+        (bmalloc::FixedVector::end):
+        (bmalloc::FixedVector::size):
+        (bmalloc::FixedVector::capacity):
+        (bmalloc::FixedVector::clear):
+        (bmalloc::FixedVector::isEmpty):
+        (bmalloc::Capacity>::FixedVector):
+        (bmalloc::Capacity>::operator):
+        (bmalloc::Capacity>::push):
+        (bmalloc::Capacity>::pop):
+        (bmalloc::Capacity>::shrink):
+        * bmalloc/Heap.cpp: Added.
+        (bmalloc::sleep):
+        (bmalloc::Heap::Heap):
+        (bmalloc::Heap::concurrentScavenge):
+        (bmalloc::Heap::scavengeSmallPages):
+        (bmalloc::Heap::scavengeMediumPages):
+        (bmalloc::Heap::scavengeLargeRanges):
+        (bmalloc::Heap::allocateSmallLineSlowCase):
+        (bmalloc::Heap::allocateMediumLineSlowCase):
+        (bmalloc::Heap::allocateXLarge):
+        (bmalloc::Heap::deallocateXLarge):
+        (bmalloc::Heap::allocateLarge):
+        (bmalloc::Heap::deallocateLarge):
+        * bmalloc/Heap.h: Added.
+        (bmalloc::Heap::deallocateSmallLine):
+        (bmalloc::Heap::allocateSmallLine):
+        (bmalloc::Heap::deallocateMediumLine):
+        (bmalloc::Heap::allocateMediumLine):
+        * bmalloc/Inline.h: Added.
+        * bmalloc/LargeChunk.h: Added.
+        (bmalloc::LargeChunk::begin):
+        (bmalloc::LargeChunk::end):
+        (bmalloc::LargeChunk::create):
+        (bmalloc::LargeChunk::get):
+        (bmalloc::LargeChunk::beginTag):
+        (bmalloc::LargeChunk::endTag):
+        * bmalloc/Line.h: Added.
+        (bmalloc::Line<Traits>::begin):
+        (bmalloc::Line<Traits>::end):
+        (bmalloc::Line<Traits>::concurrentRef):
+        (bmalloc::Line<Traits>::deref):
+        * bmalloc/MediumAllocator.h: Added.
+        (bmalloc::MediumAllocator::isNull):
+        (bmalloc::MediumAllocator::MediumAllocator):
+        (bmalloc::MediumAllocator::line):
+        (bmalloc::MediumAllocator::allocate):
+        (bmalloc::MediumAllocator::derefCount):
+        (bmalloc::MediumAllocator::refill):
+        * bmalloc/MediumChunk.h: Added.
+        * bmalloc/MediumLine.h: Added.
+        * bmalloc/MediumPage.h: Added.
+        * bmalloc/MediumTraits.h: Added.
+        * bmalloc/Mutex.cpp: Added.
+        (bmalloc::Mutex::lockSlowCase):
+        * bmalloc/Mutex.h: Added.
+        (bmalloc::Mutex::Mutex):
+        (bmalloc::Mutex::try_lock):
+        (bmalloc::Mutex::lock):
+        (bmalloc::Mutex::unlock):
+        * bmalloc/ObjectType.cpp: Added.
+        (bmalloc::objectType):
+        * bmalloc/ObjectType.h: Added.
+        (bmalloc::isSmallOrMedium):
+        (bmalloc::isSmall):
+        * bmalloc/Page.h: Added.
+        (bmalloc::Page<Traits>::ref):
+        (bmalloc::Page<Traits>::deref):
+        (bmalloc::Page<Traits>::refCount):
+        * bmalloc/PerProcess.h: Added.
+        (bmalloc::PerProcess::mutex):
+        (bmalloc::PerProcess<T>::getFastCase):
+        (bmalloc::PerProcess<T>::get):
+        (bmalloc::PerProcess<T>::getSlowCase):
+        * bmalloc/PerThread.h: Added.
+        (bmalloc::PerThreadStorage<Cache>::get):
+        (bmalloc::PerThreadStorage<Cache>::init):
+        (bmalloc::PerThreadStorage::get):
+        (bmalloc::PerThreadStorage::init):
+        (bmalloc::PerThread<T>::getFastCase):
+        (bmalloc::PerThread<T>::get):
+        (bmalloc::PerThread<T>::destructor):
+        (bmalloc::PerThread<T>::getSlowCase):
+        * bmalloc/Range.h: Added.
+        (bmalloc::Range::Range):
+        (bmalloc::Range::begin):
+        (bmalloc::Range::end):
+        (bmalloc::Range::size):
+        (bmalloc::Range::operator!):
+        (bmalloc::Range::operator<):
+        * bmalloc/SegregatedFreeList.cpp: Added.
+        (bmalloc::SegregatedFreeList::SegregatedFreeList):
+        (bmalloc::SegregatedFreeList::insert):
+        (bmalloc::SegregatedFreeList::takeGreedy):
+        (bmalloc::SegregatedFreeList::take):
+        * bmalloc/SegregatedFreeList.h: Added.
+        * bmalloc/Sizes.h: Added.
+        * bmalloc/SmallAllocator.h: Added.
+        (bmalloc::SmallAllocator::isNull):
+        (bmalloc::SmallAllocator::canAllocate):
+        (bmalloc::SmallAllocator::SmallAllocator):
+        (bmalloc::SmallAllocator::line):
+        (bmalloc::SmallAllocator::allocate):
+        (bmalloc::SmallAllocator::objectCount):
+        (bmalloc::SmallAllocator::derefCount):
+        (bmalloc::SmallAllocator::refill):
+        * bmalloc/SmallChunk.h: Added.
+        * bmalloc/SmallLine.h: Added.
+        * bmalloc/SmallPage.h: Added.
+        * bmalloc/SmallTraits.h: Added.
+        * bmalloc/Syscall.h: Added.
+        * bmalloc/VMAllocate.h: Added.
+        (bmalloc::vmSize):
+        (bmalloc::vmValidate):
+        (bmalloc::vmAllocate):
+        (bmalloc::vmDeallocate):
+        (bmalloc::vmDeallocatePhysicalPages):
+        (bmalloc::vmAllocatePhysicalPages):
+        (bmalloc::vmDeallocatePhysicalPagesSloppy):
+        (bmalloc::vmAllocatePhysicalPagesSloppy):
+        * bmalloc/VMHeap.cpp: Added.
+        (bmalloc::VMHeap::VMHeap):
+        (bmalloc::VMHeap::allocateSmallChunk):
+        (bmalloc::VMHeap::allocateMediumChunk):
+        (bmalloc::VMHeap::allocateLargeChunk):
+        * bmalloc/VMHeap.h: Added.
+        (bmalloc::VMHeap::allocateSmallPage):
+        (bmalloc::VMHeap::allocateMediumPage):
+        (bmalloc::VMHeap::allocateLargeRange):
+        (bmalloc::VMHeap::deallocateSmallPage):
+        (bmalloc::VMHeap::deallocateMediumPage):
+        (bmalloc::VMHeap::deallocateLargeRange):
+        * bmalloc/Vector.h: Added.
+        (bmalloc::Vector::begin):
+        (bmalloc::Vector::end):
+        (bmalloc::Vector::size):
+        (bmalloc::Vector::capacity):
+        (bmalloc::Vector::last):
+        (bmalloc::Vector::pop):
+        (bmalloc::Vector<T>::Vector):
+        (bmalloc::Vector<T>::~Vector):
+        (bmalloc::Vector<T>::operator):
+        (bmalloc::Vector<T>::push):
+        (bmalloc::Vector<T>::pop):
+        (bmalloc::Vector<T>::shrink):
+        (bmalloc::Vector<T>::reallocateBuffer):
+        (bmalloc::Vector<T>::shrinkCapacity):
+        (bmalloc::Vector<T>::growCapacity):
+        * bmalloc/XLargeChunk.h: Added.
+        (bmalloc::XLargeChunk::get):
+        (bmalloc::XLargeChunk::begin):
+        (bmalloc::XLargeChunk::XLargeChunk):
+        (bmalloc::XLargeChunk::create):
+        (bmalloc::XLargeChunk::destroy):
+        (bmalloc::XLargeChunk::range):
+        (bmalloc::XLargeChunk::size):
+        * bmalloc/bmalloc.h: Added.
+        (bmalloc::api::malloc):
+        (bmalloc::api::free):
+        (bmalloc::api::realloc):
+        * bmalloc/mbmalloc.cpp: Added.
+
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/Base.xcconfig b/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/Base.xcconfig
new file mode 100644
index 0000000000..4b9bfd9654
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/Base.xcconfig
@@ -0,0 +1,119 @@
+// Copyright (C) 2009-2017 Apple Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+#include "../../../../Internal/Configurations/HaveInternalSDK.xcconfig"
+
+USE_INTERNAL_SDK = $(USE_INTERNAL_SDK_$(CONFIGURATION));
+USE_INTERNAL_SDK_Production = YES;
+USE_INTERNAL_SDK_Debug = $(HAVE_INTERNAL_SDK);
+USE_INTERNAL_SDK_Release = $(HAVE_INTERNAL_SDK);
+
+ALWAYS_SEARCH_USER_PATHS = NO;
+
+CLANG_CXX_LANGUAGE_STANDARD = gnu++14;
+CLANG_CXX_LIBRARY = libc++;
+CLANG_WARN_BOOL_CONVERSION = YES;
+CLANG_WARN_CONSTANT_CONVERSION = YES;
+CLANG_WARN_CXX0X_EXTENSIONS = NO;
+CLANG_WARN_EMPTY_BODY = YES;
+CLANG_WARN_ENUM_CONVERSION = YES;
+CLANG_WARN_INFINITE_RECURSION = YES;
+CLANG_WARN_INT_CONVERSION = YES;
+CLANG_WARN_SUSPICIOUS_MOVE = YES;
+CLANG_WARN_UNREACHABLE_CODE = YES;
+CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+DEBUG_INFORMATION_FORMAT = dwarf-with-dsym;
+GCC_C_LANGUAGE_STANDARD = gnu99;
+GCC_DEBUGGING_SYMBOLS = default;
+GCC_DYNAMIC_NO_PIC = NO;
+GCC_ENABLE_CPP_EXCEPTIONS = NO;
+GCC_ENABLE_CPP_RTTI = NO;
+GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+GCC_ENABLE_SYMBOL_SEPARATION = NO;
+GCC_FAST_OBJC_DISPATCH = YES;
+GCC_GENERATE_DEBUGGING_SYMBOLS = YES;
+GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
+GCC_NO_COMMON_BLOCKS = YES;
+GCC_OBJC_CALL_CXX_CDTORS = YES;
+GCC_PRECOMPILE_PREFIX_HEADER = YES;
+ENABLE_STRICT_OBJC_MSGSEND = YES;
+GCC_PREPROCESSOR_DEFINITIONS = $(DEBUG_DEFINES) $(inherited);
+GCC_STRICT_ALIASING = YES;
+GCC_THREADSAFE_STATICS = NO;
+GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+// FIXME: <http://webkit.org/b/107093> WTF should build with -Wshorten-64-to-32
+GCC_WARN_64_TO_32_BIT_CONVERSION = $(GCC_WARN_64_TO_32_BIT_CONVERSION_$(CURRENT_ARCH));
+GCC_WARN_64_TO_32_BIT_CONVERSION_ = YES;
+GCC_WARN_64_TO_32_BIT_CONVERSION_armv7 = YES;
+GCC_WARN_64_TO_32_BIT_CONVERSION_armv7k = YES;
+GCC_WARN_64_TO_32_BIT_CONVERSION_armv7s = YES;
+GCC_WARN_64_TO_32_BIT_CONVERSION_arm64 = NO;
+GCC_WARN_64_TO_32_BIT_CONVERSION_arm64e = NO;
+GCC_WARN_64_TO_32_BIT_CONVERSION_i386 = YES;
+GCC_WARN_64_TO_32_BIT_CONVERSION_x86_64 = NO;
+GCC_WARN_ABOUT_DEPRECATED_FUNCTIONS = NO;
+GCC_WARN_ABOUT_MISSING_NEWLINE = YES;
+GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
+GCC_WARN_ABOUT_RETURN_TYPE = YES;
+GCC_WARN_NON_VIRTUAL_DESTRUCTOR = YES;
+GCC_WARN_SIGN_COMPARE = YES;
+GCC_WARN_UNDECLARED_SELECTOR = YES;
+GCC_WARN_UNINITIALIZED_AUTOS = YES;
+GCC_WARN_UNUSED_FUNCTION = YES;
+GCC_WARN_UNUSED_VARIABLE = YES;
+PREBINDING = NO;
+WARNING_CFLAGS = -Wall -Wextra -Wcast-qual -Wchar-subscripts -Wextra-tokens -Wformat=2 -Winit-self -Wmissing-format-attribute -Wmissing-noreturn -Wpacked -Wpointer-arith -Wredundant-decls -Wundef -Wwrite-strings -Wexit-time-destructors -Wglobal-constructors -Wtautological-compare -Wimplicit-fallthrough;
+
+TARGET_MAC_OS_X_VERSION_MAJOR = $(TARGET_MAC_OS_X_VERSION_MAJOR$(MACOSX_DEPLOYMENT_TARGET:suffix:identifier));
+TARGET_MAC_OS_X_VERSION_MAJOR_10 = 101000;
+TARGET_MAC_OS_X_VERSION_MAJOR_11 = 101100;
+TARGET_MAC_OS_X_VERSION_MAJOR_12 = 101200;
+TARGET_MAC_OS_X_VERSION_MAJOR_13 = 101300;
+TARGET_MAC_OS_X_VERSION_MAJOR_14 = 101400;
+
+SUPPORTED_PLATFORMS = iphoneos iphonesimulator macosx appletvos appletvsimulator watchos watchsimulator;
+
+// DEBUG_DEFINES, GCC_OPTIMIZATION_LEVEL, STRIP_INSTALLED_PRODUCT and DEAD_CODE_STRIPPING vary between the debug and normal variants.
+// We set up the values for each variant here, and have the Debug configuration in the Xcode project use the _debug variant.
+DEBUG_DEFINES_debug = ;
+DEBUG_DEFINES_normal = NDEBUG;
+DEBUG_DEFINES = $(DEBUG_DEFINES_$(CURRENT_VARIANT));
+
+GCC_OPTIMIZATION_LEVEL = $(GCC_OPTIMIZATION_LEVEL_$(CURRENT_VARIANT));
+GCC_OPTIMIZATION_LEVEL_normal = 3;
+GCC_OPTIMIZATION_LEVEL_debug = 0;
+
+STRIP_INSTALLED_PRODUCT = $(STRIP_INSTALLED_PRODUCT_$(CURRENT_VARIANT));
+STRIP_INSTALLED_PRODUCT_normal = YES;
+STRIP_INSTALLED_PRODUCT_debug = NO;
+
+DEAD_CODE_STRIPPING_debug = NO;
+DEAD_CODE_STRIPPING_normal = YES;
+DEAD_CODE_STRIPPING = $(DEAD_CODE_STRIPPING_$(CURRENT_VARIANT));
+
+SDKROOT = macosx.internal;
+
+OTHER_CFLAGS = $(ASAN_OTHER_CFLAGS);
+OTHER_CPLUSPLUSFLAGS = $(ASAN_OTHER_CPLUSPLUSFLAGS);
+OTHER_LDFLAGS = $(ASAN_OTHER_LDFLAGS);
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/DebugRelease.xcconfig b/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/DebugRelease.xcconfig
new file mode 100644
index 0000000000..cdf3f713d3
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/DebugRelease.xcconfig
@@ -0,0 +1,43 @@
+// Copyright (C) 2009, 2010, 2013 Apple Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+#include "Base.xcconfig"
+
+ARCHS = $(ARCHS_STANDARD_32_64_BIT);
+ONLY_ACTIVE_ARCH = YES;
+
+TARGET_MAC_OS_X_VERSION_MAJOR = $(MAC_OS_X_VERSION_MAJOR);
+
+MACOSX_DEPLOYMENT_TARGET = $(MACOSX_DEPLOYMENT_TARGET_$(PLATFORM_NAME)_$(TARGET_MAC_OS_X_VERSION_MAJOR));
+MACOSX_DEPLOYMENT_TARGET_macosx_101000 = 10.10;
+MACOSX_DEPLOYMENT_TARGET_macosx_101100 = 10.11;
+MACOSX_DEPLOYMENT_TARGET_macosx_101200 = 10.12;
+MACOSX_DEPLOYMENT_TARGET_macosx_101300 = 10.13;
+MACOSX_DEPLOYMENT_TARGET_macosx_101400 = 10.14;
+
+GCC_WARN_ABOUT_DEPRECATED_FUNCTIONS = YES;
+DEBUG_INFORMATION_FORMAT = dwarf;
+
+SDKROOT = $(SDKROOT_$(USE_INTERNAL_SDK));
+SDKROOT_ = macosx;
+SDKROOT_YES = macosx.internal;
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/bmalloc.xcconfig b/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/bmalloc.xcconfig
new file mode 100644
index 0000000000..747bcb6836
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/bmalloc.xcconfig
@@ -0,0 +1,30 @@
+// Copyright (C) 2014 Apple Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+EXECUTABLE_PREFIX = lib;
+INSTALL_PATH = /usr/local/lib;
+PRIVATE_HEADERS_FOLDER_PATH = /usr/local/include/bmalloc;
+PRODUCT_NAME = bmalloc;
+
+GCC_SYMBOLS_PRIVATE_EXTERN = YES;
+STRIP_INSTALLED_PRODUCT = NO;
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/mbmalloc.xcconfig b/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/mbmalloc.xcconfig
new file mode 100644
index 0000000000..513686e98d
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/Configurations/mbmalloc.xcconfig
@@ -0,0 +1,28 @@
+// Copyright (C) 2014 Apple Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+
+EXECUTABLE_PREFIX = lib;
+INSTALL_PATH = /usr/local/lib;
+PRODUCT_NAME = mbmalloc;
+
+GCC_SYMBOLS_PRIVATE_EXTERN = YES;
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/Makefile b/weex_core/Source/android/jsengine/dependence/bmalloc/Makefile
new file mode 100644
index 0000000000..cb4c11a57c
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/Makefile
@@ -0,0 +1 @@
+include ../Makefile.shared
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc.xcodeproj/project.pbxproj b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc.xcodeproj/project.pbxproj
new file mode 100644
index 0000000000..aa02086774
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc.xcodeproj/project.pbxproj
@@ -0,0 +1,562 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
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diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Algorithm.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Algorithm.h
new file mode 100644
index 0000000000..ea247eebc8
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Algorithm.h
@@ -0,0 +1,121 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef Algorithm_h
+#define Algorithm_h
+
+#include "Algorithm.h"
+#include "BAssert.h"
+#include <algorithm>
+#include <cstdint>
+#include <cstddef>
+#include <limits>
+#include <type_traits>
+#include <chrono>
+
+namespace bmalloc {
+
+// Versions of min and max that are compatible with compile-time constants.
+template<typename T> inline constexpr T max(T a, T b)
+{
+    return a > b ? a : b;
+}
+    
+template<typename T> inline constexpr T min(T a, T b)
+{
+    return a < b ? a : b;
+}
+
+template<typename T> inline constexpr T mask(T value, uintptr_t mask)
+{
+    return reinterpret_cast<T>(reinterpret_cast<uintptr_t>(value) & mask);
+}
+
+template<typename T> inline constexpr bool test(T value, uintptr_t mask)
+{
+    return !!(reinterpret_cast<uintptr_t>(value) & mask);
+}
+
+inline constexpr bool isPowerOfTwo(size_t size)
+{
+    return size && !(size & (size - 1));
+}
+
+template<typename T> inline T roundUpToMultipleOf(size_t divisor, T x)
+{
+    BASSERT(isPowerOfTwo(divisor));
+    return reinterpret_cast<T>((reinterpret_cast<uintptr_t>(x) + (divisor - 1)) & ~(divisor - 1));
+}
+
+template<size_t divisor, typename T> inline constexpr T roundUpToMultipleOf(T x)
+{
+    static_assert(isPowerOfTwo(divisor), "'divisor' must be a power of two.");
+    return roundUpToMultipleOf(divisor, x);
+}
+
+template<typename T> inline T roundDownToMultipleOf(size_t divisor, T x)
+{
+    BASSERT(isPowerOfTwo(divisor));
+    return reinterpret_cast<T>(mask(reinterpret_cast<uintptr_t>(x), ~(divisor - 1ul)));
+}
+
+template<size_t divisor, typename T> inline constexpr T roundDownToMultipleOf(T x)
+{
+    static_assert(isPowerOfTwo(divisor), "'divisor' must be a power of two.");
+    return roundDownToMultipleOf(divisor, x);
+}
+
+template<typename T> inline void divideRoundingUp(T numerator, T denominator, T& quotient, T& remainder)
+{
+    // We expect the compiler to emit a single divide instruction to extract both the quotient and the remainder.
+    quotient = numerator / denominator;
+    remainder = numerator % denominator;
+    if (remainder)
+        quotient += 1;
+}
+
+template<typename T> inline T divideRoundingUp(T numerator, T denominator)
+{
+    return (numerator + denominator - 1) / denominator;
+}
+
+template<typename T> inline T roundUpToMultipleOfNonPowerOfTwo(size_t divisor, T x)
+{
+    return divideRoundingUp(x, divisor) * divisor;
+}
+
+// Version of sizeof that returns 0 for empty classes.
+
+template<typename T> inline constexpr size_t sizeOf()
+{
+    return std::is_empty<T>::value ? 0 : sizeof(T);
+}
+
+template<typename T> inline constexpr size_t bitCount()
+{
+    return sizeof(T) * 8;
+}
+
+inline constexpr unsigned long log2(unsigned long value)
+{
+    return bitCount<unsigned long>() - 1 - __builtin_clzl(value);
+}
+
+} // namespace bmalloc
+
+#endif // Algorithm_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Allocator.cpp b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Allocator.cpp
new file mode 100644
index 0000000000..a2da07305f
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Allocator.cpp
@@ -0,0 +1,195 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#include "Allocator.h"
+#include "BAssert.h"
+#include "Chunk.h"
+#include "Deallocator.h"
+#include "DebugHeap.h"
+#include "Heap.h"
+#include "PerProcess.h"
+#include "Sizes.h"
+#include <algorithm>
+#include <cstdlib>
+
+using namespace std;
+
+namespace bmalloc {
+
+Allocator::Allocator(Heap* heap, Deallocator& deallocator)
+    : m_debugHeap(heap->debugHeap())
+    , m_deallocator(deallocator)
+{
+    for (size_t sizeClass = 0; sizeClass < sizeClassCount; ++sizeClass)
+        m_bumpAllocators[sizeClass].init(objectSize(sizeClass));
+}
+
+Allocator::~Allocator()
+{
+    scavenge();
+}
+
+void* Allocator::tryAllocate(size_t size)
+{
+    if (m_debugHeap)
+        return m_debugHeap->malloc(size);
+
+    if (size <= smallMax)
+        return allocate(size);
+
+    std::lock_guard<StaticMutex> lock(PerProcess<Heap>::mutex());
+    return PerProcess<Heap>::getFastCase()->tryAllocateLarge(lock, alignment, size);
+}
+
+void* Allocator::allocate(size_t alignment, size_t size)
+{
+    bool crashOnFailure = true;
+    return allocateImpl(alignment, size, crashOnFailure);
+}
+
+void* Allocator::tryAllocate(size_t alignment, size_t size)
+{
+    bool crashOnFailure = false;
+    return allocateImpl(alignment, size, crashOnFailure);
+}
+
+void* Allocator::allocateImpl(size_t alignment, size_t size, bool crashOnFailure)
+{
+    BASSERT(isPowerOfTwo(alignment));
+
+    if (m_debugHeap)
+        return m_debugHeap->memalign(alignment, size, crashOnFailure);
+
+    if (!size)
+        size = alignment;
+
+    if (size <= smallMax && alignment <= smallMax)
+        return allocate(roundUpToMultipleOf(alignment, size));
+
+    std::lock_guard<StaticMutex> lock(PerProcess<Heap>::mutex());
+    Heap* heap = PerProcess<Heap>::getFastCase();
+    if (crashOnFailure)
+        return heap->allocateLarge(lock, alignment, size);
+    return heap->tryAllocateLarge(lock, alignment, size);
+}
+
+void* Allocator::reallocate(void* object, size_t newSize)
+{
+    if (m_debugHeap)
+        return m_debugHeap->realloc(object, newSize);
+
+    size_t oldSize = 0;
+    switch (objectType(object)) {
+    case ObjectType::Small: {
+        BASSERT(objectType(nullptr) == ObjectType::Small);
+        if (!object)
+            break;
+
+        size_t sizeClass = Object(object).page()->sizeClass();
+        oldSize = objectSize(sizeClass);
+        break;
+    }
+    case ObjectType::Large: {
+        std::lock_guard<StaticMutex> lock(PerProcess<Heap>::mutex());
+        oldSize = PerProcess<Heap>::getFastCase()->largeSize(lock, object);
+
+        if (newSize < oldSize && newSize > smallMax) {
+            PerProcess<Heap>::getFastCase()->shrinkLarge(lock, Range(object, oldSize), newSize);
+            return object;
+        }
+        break;
+    }
+    }
+
+    void* result = allocate(newSize);
+    size_t copySize = std::min(oldSize, newSize);
+    memcpy(result, object, copySize);
+    m_deallocator.deallocate(object);
+    return result;
+}
+
+void Allocator::scavenge()
+{
+    for (size_t sizeClass = 0; sizeClass < sizeClassCount; ++sizeClass) {
+        BumpAllocator& allocator = m_bumpAllocators[sizeClass];
+        BumpRangeCache& bumpRangeCache = m_bumpRangeCaches[sizeClass];
+
+        while (allocator.canAllocate())
+            m_deallocator.deallocate(allocator.allocate());
+
+        while (bumpRangeCache.size()) {
+            allocator.refill(bumpRangeCache.pop());
+            while (allocator.canAllocate())
+                m_deallocator.deallocate(allocator.allocate());
+        }
+
+        allocator.clear();
+    }
+}
+
+NO_INLINE void Allocator::refillAllocatorSlowCase(BumpAllocator& allocator, size_t sizeClass)
+{
+    BumpRangeCache& bumpRangeCache = m_bumpRangeCaches[sizeClass];
+
+    std::lock_guard<StaticMutex> lock(PerProcess<Heap>::mutex());
+    m_deallocator.processObjectLog(lock);
+    PerProcess<Heap>::getFastCase()->allocateSmallBumpRanges(lock, sizeClass, allocator, bumpRangeCache);
+}
+
+INLINE void Allocator::refillAllocator(BumpAllocator& allocator, size_t sizeClass)
+{
+    BumpRangeCache& bumpRangeCache = m_bumpRangeCaches[sizeClass];
+    if (!bumpRangeCache.size())
+        return refillAllocatorSlowCase(allocator, sizeClass);
+    return allocator.refill(bumpRangeCache.pop());
+}
+
+NO_INLINE void* Allocator::allocateLarge(size_t size)
+{
+    std::lock_guard<StaticMutex> lock(PerProcess<Heap>::mutex());
+    return PerProcess<Heap>::getFastCase()->allocateLarge(lock, alignment, size);
+}
+
+NO_INLINE void* Allocator::allocateLogSizeClass(size_t size)
+{
+    size_t sizeClass = bmalloc::sizeClass(size);
+    BumpAllocator& allocator = m_bumpAllocators[sizeClass];
+    if (!allocator.canAllocate())
+        refillAllocator(allocator, sizeClass);
+    return allocator.allocate();
+}
+
+void* Allocator::allocateSlowCase(size_t size)
+{
+    if (m_debugHeap)
+        return m_debugHeap->malloc(size);
+
+    if (size <= maskSizeClassMax) {
+        size_t sizeClass = bmalloc::maskSizeClass(size);
+        BumpAllocator& allocator = m_bumpAllocators[sizeClass];
+        refillAllocator(allocator, sizeClass);
+        return allocator.allocate();
+    }
+
+    if (size <= smallMax)
+        return allocateLogSizeClass(size);
+
+    return allocateLarge(size);
+}
+
+} // namespace bmalloc
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Allocator.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Allocator.h
new file mode 100644
index 0000000000..bb44cca6f0
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Allocator.h
@@ -0,0 +1,88 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef Allocator_h
+#define Allocator_h
+
+#include "BumpAllocator.h"
+#include <array>
+
+namespace bmalloc {
+
+class Deallocator;
+class DebugHeap;
+class Heap;
+
+// Per-cache object allocator.
+
+class Allocator {
+public:
+    Allocator(Heap*, Deallocator&);
+    ~Allocator();
+
+    void* tryAllocate(size_t);
+    void* allocate(size_t);
+    void* tryAllocate(size_t alignment, size_t);
+    void* allocate(size_t alignment, size_t);
+    void* reallocate(void*, size_t);
+
+    void scavenge();
+
+private:
+    void* allocateImpl(size_t alignment, size_t, bool crashOnFailure);
+    
+    bool allocateFastCase(size_t, void*&);
+    void* allocateSlowCase(size_t);
+    
+    void* allocateLogSizeClass(size_t);
+    void* allocateLarge(size_t);
+    
+    void refillAllocator(BumpAllocator&, size_t sizeClass);
+    void refillAllocatorSlowCase(BumpAllocator&, size_t sizeClass);
+    
+    std::array<BumpAllocator, sizeClassCount> m_bumpAllocators;
+    std::array<BumpRangeCache, sizeClassCount> m_bumpRangeCaches;
+
+    DebugHeap* m_debugHeap;
+    Deallocator& m_deallocator;
+};
+
+inline bool Allocator::allocateFastCase(size_t size, void*& object)
+{
+    if (size > maskSizeClassMax)
+        return false;
+
+    BumpAllocator& allocator = m_bumpAllocators[maskSizeClass(size)];
+    if (!allocator.canAllocate())
+        return false;
+
+    object = allocator.allocate();
+    return true;
+}
+
+inline void* Allocator::allocate(size_t size)
+{
+    void* object;
+    if (!allocateFastCase(size, object))
+        return allocateSlowCase(size);
+    return object;
+}
+
+} // namespace bmalloc
+
+#endif // Allocator_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/AsyncTask.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/AsyncTask.h
new file mode 100644
index 0000000000..8d5f48712f
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/AsyncTask.h
@@ -0,0 +1,137 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef AsyncTask_h
+#define AsyncTask_h
+
+#include "BAssert.h"
+#include "Inline.h"
+#include "Mutex.h"
+#include "Sizes.h"
+#include <atomic>
+#include <condition_variable>
+#include <thread>
+
+namespace bmalloc {
+
+template<typename Object, typename Function>
+class AsyncTask {
+public:
+    AsyncTask(Object&, const Function&);
+    ~AsyncTask();
+    
+    bool willRun() { return m_state == State::Run; }
+    void run();
+    
+    bool willRunSoon() { return m_state > State::Sleep; }
+    void runSoon();
+    
+private:
+    enum class State { Sleep, Run, RunSoon };
+    
+    void runSlowCase();
+    void runSoonSlowCase();
+    
+    static void threadEntryPoint(AsyncTask*);
+    void threadRunLoop();
+
+    std::atomic<State> m_state;
+
+    Mutex m_conditionMutex;
+    std::condition_variable_any m_condition;
+
+    std::thread m_thread;
+
+    Object& m_object;
+    Function m_function;
+};
+
+template<typename Object, typename Function>
+AsyncTask<Object, Function>::AsyncTask(Object& object, const Function& function)
+    : m_state(State::Sleep)
+    , m_condition()
+    , m_thread(std::thread(&AsyncTask::threadEntryPoint, this))
+    , m_object(object)
+    , m_function(function)
+{
+}
+
+template<typename Object, typename Function>
+AsyncTask<Object, Function>::~AsyncTask()
+{
+    // We'd like to mark our destructor deleted but C++ won't allow it because
+    // we are an automatic member of Heap.
+    RELEASE_BASSERT(0);
+}
+
+template<typename Object, typename Function>
+void AsyncTask<Object, Function>::run()
+{
+    m_state = State::Run;
+    
+    std::lock_guard<Mutex> lock(m_conditionMutex);
+    m_condition.notify_all();
+}
+    
+template<typename Object, typename Function>
+void AsyncTask<Object, Function>::runSoon()
+{
+    m_state = State::RunSoon;
+    
+    std::lock_guard<Mutex> lock(m_conditionMutex);
+    m_condition.notify_all();
+}
+
+template<typename Object, typename Function>
+void AsyncTask<Object, Function>::threadEntryPoint(AsyncTask* asyncTask)
+{
+#if BOS(DARWIN)
+    pthread_set_qos_class_self_np(QOS_CLASS_USER_INTERACTIVE, 0);
+#endif
+
+    asyncTask->threadRunLoop();
+}
+
+template<typename Object, typename Function>
+void AsyncTask<Object, Function>::threadRunLoop()
+{
+    // This loop ratchets downward from most active to least active state. While
+    // we ratchet downward, any other thread may reset our state.
+    
+    // We require any state change while we are sleeping to signal to our
+    // condition variable and wake us up.
+    
+    while (1) {
+        if (m_state == State::Sleep) {
+            std::unique_lock<Mutex> lock(m_conditionMutex);
+            m_condition.wait(lock, [&]() { return m_state != State::Sleep; });
+        }
+        
+        if (m_state == State::RunSoon) {
+            std::unique_lock<Mutex> lock(m_conditionMutex);
+            m_condition.wait_for(lock, asyncTaskSleepDuration, [&]() { return m_state != State::RunSoon; });
+        }
+        
+        m_state = State::Sleep;
+        (m_object.*m_function)();
+    }
+}
+
+} // namespace bmalloc
+
+#endif // AsyncTask_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/AvailableMemory.cpp b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/AvailableMemory.cpp
new file mode 100644
index 0000000000..5674f8039a
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/AvailableMemory.cpp
@@ -0,0 +1,88 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#include "AvailableMemory.h"
+
+#include "Sizes.h"
+#include <mutex>
+#if BOS(DARWIN)
+#if BPLATFORM(IOS)
+#import <algorithm>
+#endif
+#import <dispatch/dispatch.h>
+#import <mach/host_info.h>
+#import <mach/mach.h>
+#import <mach/mach_error.h>
+#import <math.h>
+#elif BOS(UNIX)
+#include <unistd.h>
+#endif
+
+namespace bmalloc {
+
+static const size_t availableMemoryGuess = 512 * bmalloc::MB;
+
+static size_t computeAvailableMemory()
+{
+#if BPLATFORM(IOS_SIMULATOR)
+    // Pretend we have 512MB of memory to make cache sizes behave like on device.
+    return availableMemoryGuess;
+#elif BOS(DARWIN)
+    host_basic_info_data_t hostInfo;
+
+    mach_port_t host = mach_host_self();
+    mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
+    kern_return_t r = host_info(host, HOST_BASIC_INFO, (host_info_t)&hostInfo, &count);
+    mach_port_deallocate(mach_task_self(), host);
+    if (r != KERN_SUCCESS)
+        return availableMemoryGuess;
+    
+    if (hostInfo.max_mem > std::numeric_limits<size_t>::max())
+        return std::numeric_limits<size_t>::max();
+
+    size_t sizeAccordingToKernel = static_cast<size_t>(hostInfo.max_mem);
+#if BPLATFORM(IOS)
+    sizeAccordingToKernel = std::min(sizeAccordingToKernel, 840 * bmalloc::MB);
+#endif
+    size_t multiple = 128 * bmalloc::MB;
+
+    // Round up the memory size to a multiple of 128MB because max_mem may not be exactly 512MB
+    // (for example) and we have code that depends on those boundaries.
+    return ((sizeAccordingToKernel + multiple - 1) / multiple) * multiple;
+#elif BOS(UNIX)
+    long pages = sysconf(_SC_PHYS_PAGES);
+    long pageSize = sysconf(_SC_PAGE_SIZE);
+    if (pages == -1 || pageSize == -1)
+        return availableMemoryGuess;
+    return pages * pageSize;
+#else
+    return availableMemoryGuess;
+#endif
+}
+
+size_t availableMemory()
+{
+    static size_t availableMemory;
+    static std::once_flag onceFlag;
+    std::call_once(onceFlag, [] {
+        availableMemory = computeAvailableMemory();
+    });
+    return availableMemory;
+}
+
+} // namespace bmalloc
diff --git a/weex_core/Source/android/jniprebuild/prebuild.sh b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/AvailableMemory.h
old mode 100755
new mode 100644
similarity index 63%
rename from weex_core/Source/android/jniprebuild/prebuild.sh
rename to weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/AvailableMemory.h
index 8eed73e47f..2946dd0b6c
--- a/weex_core/Source/android/jniprebuild/prebuild.sh
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/AvailableMemory.h
@@ -16,17 +16,14 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+#pragma once
+
+#include "BPlatform.h"
+#include "Sizes.h"
+
+namespace bmalloc {
+
+size_t availableMemory();
+
+}
 
-#!/bin/bash
-CURRENT_PATH=$(cd `dirname $0`; pwd)
-ROOT_WEEX_JAVA_PATH=$CURRENT_PATH"/../../../../android/sdk/src/main/java/"
-WEEX_OUTPUT_DIR=$CURRENT_PATH"/jniheader/"
-WEEX_GEN_FILE=$CURRENT_PATH"/jni_generator.py"
-while read line
-do
-	file_name=${line##*/}
-    jni_file_name=${file_name%.*}"_jni.h"
-    input_file=$ROOT_WEEX_JAVA_PATH$line
-    output_file=$WEEX_OUTPUT_DIR$jni_file_name
-    python $WEEX_GEN_FILE $input_file $output_file
-done < $CURRENT_PATH"/jni_files"
\ No newline at end of file
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BAssert.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BAssert.h
new file mode 100644
index 0000000000..727772468c
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BAssert.h
@@ -0,0 +1,102 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#pragma once
+
+#include "BPlatform.h"
+#include "Logging.h"
+
+#if BUSE(OS_LOG)
+#include <os/log.h>
+#endif
+
+#if defined(NDEBUG) && BOS(DARWIN)
+
+#if BCPU(X86_64) || BCPU(X86)
+#define BBreakpointTrap()  __asm__ volatile ("int3")
+#elif BCPU(ARM_THUMB2)
+#define BBreakpointTrap()  __asm__ volatile ("bkpt #0")
+#elif BCPU(ARM64)
+#define BBreakpointTrap()  __asm__ volatile ("brk #0")
+#else
+#error "Unsupported CPU".
+#endif
+
+// Crash with a SIGTRAP i.e EXC_BREAKPOINT.
+// We are not using __builtin_trap because it is only guaranteed to abort, but not necessarily
+// trigger a SIGTRAP. Instead, we use inline asm to ensure that we trigger the SIGTRAP.
+#define BCRASH() do { \
+        BBreakpointTrap(); \
+        __builtin_unreachable(); \
+    } while (false)
+
+#else // not defined(NDEBUG) && BOS(DARWIN)
+
+#define BCRASH() do { \
+    *(int*)0xbbadbeef = 0; \
+} while (0);
+
+#endif // defined(NDEBUG) && BOS(DARWIN)
+
+#define BASSERT_IMPL(x) do { \
+    if (!(x)) \
+        BCRASH(); \
+} while (0);
+
+#define RELEASE_BASSERT(x) BASSERT_IMPL(x)
+
+#if BUSE(OS_LOG)
+#define BMALLOC_LOGGING_PREFIX "bmalloc: "
+#define BLOG_ERROR(format, ...) os_log_error(OS_LOG_DEFAULT, BMALLOC_LOGGING_PREFIX format, __VA_ARGS__)
+#else
+#define BLOG_ERROR(format, ...) bmalloc::reportAssertionFailureWithMessage(__FILE__, __LINE__, __PRETTY_FUNCTION__, format, __VA_ARGS__)
+#endif
+
+#if defined(NDEBUG)
+#define RELEASE_BASSERT_WITH_MESSAGE(x, format, ...) BASSERT_IMPL(x)
+#else
+#define RELEASE_BASSERT_WITH_MESSAGE(x, format, ...) do { \
+    if (!(x)) { \
+        BLOG_ERROR("ASSERTION FAILED: " #x " :: " format, ##__VA_ARGS__); \
+        BCRASH(); \
+    } \
+} while (0);
+#endif
+
+#define UNUSED(x) ((void)x)
+
+// ===== Release build =====
+
+#if defined(NDEBUG)
+
+#define BASSERT(x)
+
+#define IF_DEBUG(x)
+
+#endif // defined(NDEBUG)
+
+
+// ===== Debug build =====
+
+#if !defined(NDEBUG)
+
+#define BASSERT(x) BASSERT_IMPL(x)
+
+#define IF_DEBUG(x) (x)
+
+#endif // !defined(NDEBUG)
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BPlatform.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BPlatform.h
new file mode 100644
index 0000000000..38e4898bbc
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BPlatform.h
@@ -0,0 +1,192 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#pragma once
+
+#ifdef __APPLE__
+#include <Availability.h>
+#include <AvailabilityMacros.h>
+#include <TargetConditionals.h>
+#endif
+
+#define BPLATFORM(PLATFORM) (defined BPLATFORM_##PLATFORM && BPLATFORM_##PLATFORM)
+#define BOS(OS) (defined BOS_##OS && BOS_##OS)
+
+#ifdef __APPLE__
+#define BOS_DARWIN 1
+#endif
+
+#ifdef __unix
+#define BOS_UNIX 1
+#endif
+
+#if BOS(DARWIN) && ((defined(TARGET_OS_EMBEDDED) && TARGET_OS_EMBEDDED) \
+    || (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) \
+    || (defined(TARGET_IPHONE_SIMULATOR) && TARGET_IPHONE_SIMULATOR))
+#define BPLATFORM_IOS 1
+#if (defined(TARGET_IPHONE_SIMULATOR) && TARGET_IPHONE_SIMULATOR)
+#define BPLATFORM_IOS_SIMULATOR 1
+#endif
+#elif BOS(DARWIN) && defined(TARGET_OS_MAC) && TARGET_OS_MAC
+#define BPLATFORM_MAC 1
+#endif
+
+/* ==== Policy decision macros: these define policy choices for a particular port. ==== */
+
+/* BUSE() - use a particular third-party library or optional OS service */
+#define BUSE(FEATURE) (defined BUSE_##FEATURE && BUSE_##FEATURE)
+
+/* ==== Platform adaptation macros: these describe properties of the target environment. ==== */
+
+/* BCPU() - the target CPU architecture */
+#define BCPU(_FEATURE) (defined BCPU_##_FEATURE  && BCPU_##_FEATURE)
+
+/* BCPU(X86) - i386 / x86 32-bit */
+#if defined(__i386__) \
+|| defined(i386)     \
+|| defined(_M_IX86)  \
+|| defined(_X86_)    \
+|| defined(__THW_INTEL)
+#define BCPU_X86 1
+#endif
+
+/* BCPU(X86_64) - AMD64 / Intel64 / x86_64 64-bit */
+#if defined(__x86_64__) \
+|| defined(_M_X64)
+#define BCPU_X86_64 1
+#endif
+
+/* BCPU(ARM64) - Apple */
+#if (defined(__arm64__) && defined(__APPLE__)) || defined(__aarch64__)
+#define BCPU_ARM64 1
+#endif
+
+/* BCPU(ARM) - ARM, any version*/
+#define BARM_ARCH_AT_LEAST(N) (BCPU(ARM) && BARM_ARCH_VERSION >= N)
+
+#if   defined(arm) \
+|| defined(__arm__) \
+|| defined(ARM) \
+|| defined(_ARM_)
+#define BCPU_ARM 1
+
+/* Set BARM_ARCH_VERSION */
+#if   defined(__ARM_ARCH_4__) \
+|| defined(__ARM_ARCH_4T__) \
+|| defined(__MARM_ARMV4__)
+#define BARM_ARCH_VERSION 4
+
+#elif defined(__ARM_ARCH_5__) \
+|| defined(__ARM_ARCH_5T__) \
+|| defined(__MARM_ARMV5__)
+#define BARM_ARCH_VERSION 5
+
+#elif defined(__ARM_ARCH_5E__) \
+|| defined(__ARM_ARCH_5TE__) \
+|| defined(__ARM_ARCH_5TEJ__)
+#define BARM_ARCH_VERSION 5
+
+#elif defined(__ARM_ARCH_6__) \
+|| defined(__ARM_ARCH_6J__) \
+|| defined(__ARM_ARCH_6K__) \
+|| defined(__ARM_ARCH_6Z__) \
+|| defined(__ARM_ARCH_6ZK__) \
+|| defined(__ARM_ARCH_6T2__) \
+|| defined(__ARMV6__)
+#define BARM_ARCH_VERSION 6
+
+#elif defined(__ARM_ARCH_7A__) \
+|| defined(__ARM_ARCH_7K__) \
+|| defined(__ARM_ARCH_7R__) \
+|| defined(__ARM_ARCH_7S__)
+#define BARM_ARCH_VERSION 7
+
+#elif defined(__ARM_ARCH_8__)
+#define BARM_ARCH_VERSION 8
+
+/* MSVC sets _M_ARM */
+#elif defined(_M_ARM)
+#define BARM_ARCH_VERSION _M_ARM
+
+/* RVCT sets _TARGET_ARCH_ARM */
+#elif defined(__TARGET_ARCH_ARM)
+#define BARM_ARCH_VERSION __TARGET_ARCH_ARM
+
+#else
+#define WTF_ARM_ARCH_VERSION 0
+
+#endif
+
+/* Set BTHUMB_ARCH_VERSION */
+#if   defined(__ARM_ARCH_4T__)
+#define BTHUMB_ARCH_VERSION 1
+
+#elif defined(__ARM_ARCH_5T__) \
+|| defined(__ARM_ARCH_5TE__) \
+|| defined(__ARM_ARCH_5TEJ__)
+#define BTHUMB_ARCH_VERSION 2
+
+#elif defined(__ARM_ARCH_6J__) \
+|| defined(__ARM_ARCH_6K__) \
+|| defined(__ARM_ARCH_6Z__) \
+|| defined(__ARM_ARCH_6ZK__) \
+|| defined(__ARM_ARCH_6M__)
+#define BTHUMB_ARCH_VERSION 3
+
+#elif defined(__ARM_ARCH_6T2__) \
+|| defined(__ARM_ARCH_7__) \
+|| defined(__ARM_ARCH_7A__) \
+|| defined(__ARM_ARCH_7K__) \
+|| defined(__ARM_ARCH_7M__) \
+|| defined(__ARM_ARCH_7R__) \
+|| defined(__ARM_ARCH_7S__)
+#define BTHUMB_ARCH_VERSION 4
+
+/* RVCT sets __TARGET_ARCH_THUMB */
+#elif defined(__TARGET_ARCH_THUMB)
+#define BTHUMB_ARCH_VERSION __TARGET_ARCH_THUMB
+
+#else
+#define BTHUMB_ARCH_VERSION 0
+#endif
+
+/* BCPU(ARM_TRADITIONAL) - Thumb2 is not available, only traditional ARM (v4 or greater) */
+/* BCPU(ARM_THUMB2) - Thumb2 instruction set is available */
+/* Only one of these will be defined. */
+#if !defined(BCPU_ARM_TRADITIONAL) && !defined(BCPU_ARM_THUMB2)
+#  if defined(thumb2) || defined(__thumb2__) \
+|| ((defined(__thumb) || defined(__thumb__)) && BTHUMB_ARCH_VERSION == 4)
+#    define BCPU_ARM_TRADITIONAL 0
+#    define BCPU_ARM_THUMB2 1
+#  elif BARM_ARCH_AT_LEAST(4)
+#    define BCPU_ARM_TRADITIONAL 1
+#    define BCPU_ARM_THUMB2 0
+#  else
+#    error "Not supported ARM architecture"
+#  endif
+#elif BCPU(ARM_TRADITIONAL) && BCPU(ARM_THUMB2) /* Sanity Check */
+#  error "Cannot use both of BCPU_ARM_TRADITIONAL and BCPU_ARM_THUMB2 platforms"
+#endif /* !defined(BCPU_ARM_TRADITIONAL) && !defined(BCPU_ARM_THUMB2) */
+
+#endif /* ARM */
+
+#define BATTRIBUTE_PRINTF(formatStringArgument, extraArguments) __attribute__((__format__(printf, formatStringArgument, extraArguments)))
+
+#if (BPLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101200) || (BPLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 100000)
+#define BUSE_OS_LOG 1
+#endif
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BumpAllocator.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BumpAllocator.h
new file mode 100644
index 0000000000..7cb0c9b58b
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BumpAllocator.h
@@ -0,0 +1,91 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef BumpAllocator_h
+#define BumpAllocator_h
+
+#include "BAssert.h"
+#include "BumpRange.h"
+#include "ObjectType.h"
+
+namespace bmalloc {
+
+// Helper object for allocating small objects.
+
+class BumpAllocator {
+public:
+    BumpAllocator();
+    void init(size_t);
+    
+    size_t size() { return m_size; }
+    
+    bool isNull() { return !m_ptr; }
+    void clear();
+
+    bool canAllocate() { return !!m_remaining; }
+    void* allocate();
+
+    void refill(const BumpRange&);
+
+private:
+    char* m_ptr;
+    unsigned m_size;
+    unsigned m_remaining;
+};
+
+inline BumpAllocator::BumpAllocator()
+    : m_ptr()
+    , m_size()
+    , m_remaining()
+{
+}
+
+inline void BumpAllocator::init(size_t size)
+{
+    m_ptr = nullptr;
+    m_size = size;
+    m_remaining = 0;
+}
+
+inline void* BumpAllocator::allocate()
+{
+    BASSERT(m_remaining);
+
+    --m_remaining;
+    char* result = m_ptr;
+    m_ptr += m_size;
+    return result;
+}
+
+inline void BumpAllocator::refill(const BumpRange& bumpRange)
+{
+    BASSERT(!canAllocate());
+    m_ptr = bumpRange.begin;
+    m_remaining = bumpRange.objectCount;
+    BASSERT(canAllocate());
+}
+
+inline void BumpAllocator::clear()
+{
+    m_ptr = nullptr;
+    m_remaining = 0;
+}
+
+} // namespace bmalloc
+
+#endif // BumpAllocator_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BumpRange.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BumpRange.h
new file mode 100644
index 0000000000..73a465b789
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/BumpRange.h
@@ -0,0 +1,37 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef BumpRange_h
+#define BumpRange_h
+
+#include "FixedVector.h"
+#include "Range.h"
+#include "Sizes.h"
+
+namespace bmalloc {
+
+struct BumpRange {
+    char* begin;
+    unsigned short objectCount;
+};
+
+typedef FixedVector<BumpRange, bumpRangeCacheCapacity> BumpRangeCache;
+
+} // namespace bmalloc
+
+#endif // BumpRange_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Cache.cpp b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Cache.cpp
new file mode 100644
index 0000000000..1dd6f6589c
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Cache.cpp
@@ -0,0 +1,77 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#include "Cache.h"
+#include "Heap.h"
+#include "Inline.h"
+#include "PerProcess.h"
+
+namespace bmalloc {
+
+void* Cache::operator new(size_t size)
+{
+    return vmAllocate(vmSize(size));
+}
+
+void Cache::operator delete(void* p, size_t size)
+{
+    vmDeallocate(p, vmSize(size));
+}
+
+void Cache::scavenge()
+{
+    Cache* cache = PerThread<Cache>::getFastCase();
+    if (!cache)
+        return;
+
+    cache->allocator().scavenge();
+    cache->deallocator().scavenge();
+}
+
+Cache::Cache()
+    : m_deallocator(PerProcess<Heap>::get())
+    , m_allocator(PerProcess<Heap>::get(), m_deallocator)
+{
+}
+
+NO_INLINE void* Cache::tryAllocateSlowCaseNullCache(size_t size)
+{
+    return PerThread<Cache>::getSlowCase()->allocator().tryAllocate(size);
+}
+
+NO_INLINE void* Cache::allocateSlowCaseNullCache(size_t size)
+{
+    return PerThread<Cache>::getSlowCase()->allocator().allocate(size);
+}
+
+NO_INLINE void* Cache::allocateSlowCaseNullCache(size_t alignment, size_t size)
+{
+    return PerThread<Cache>::getSlowCase()->allocator().allocate(alignment, size);
+}
+
+NO_INLINE void Cache::deallocateSlowCaseNullCache(void* object)
+{
+    PerThread<Cache>::getSlowCase()->deallocator().deallocate(object);
+}
+
+NO_INLINE void* Cache::reallocateSlowCaseNullCache(void* object, size_t newSize)
+{
+    return PerThread<Cache>::getSlowCase()->allocator().reallocate(object, newSize);
+}
+
+} // namespace bmalloc
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Cache.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Cache.h
new file mode 100644
index 0000000000..ea1ace1c1c
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Cache.h
@@ -0,0 +1,110 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef Cache_h
+#define Cache_h
+
+#include "Allocator.h"
+#include "Deallocator.h"
+#include "PerThread.h"
+
+namespace bmalloc {
+
+// Per-thread allocation / deallocation cache, backed by a per-process Heap.
+
+class Cache {
+public:
+    void* operator new(size_t);
+    void operator delete(void*, size_t);
+
+    static void* tryAllocate(size_t);
+    static void* allocate(size_t);
+    static void* tryAllocate(size_t alignment, size_t);
+    static void* allocate(size_t alignment, size_t);
+    static void deallocate(void*);
+    static void* reallocate(void*, size_t);
+
+    static void scavenge();
+
+    Cache();
+
+    Allocator& allocator() { return m_allocator; }
+    Deallocator& deallocator() { return m_deallocator; }
+
+private:
+    static void* tryAllocateSlowCaseNullCache(size_t);
+    static void* allocateSlowCaseNullCache(size_t);
+    static void* allocateSlowCaseNullCache(size_t alignment, size_t);
+    static void deallocateSlowCaseNullCache(void*);
+    static void* reallocateSlowCaseNullCache(void*, size_t);
+
+    Deallocator m_deallocator;
+    Allocator m_allocator;
+};
+
+inline void* Cache::tryAllocate(size_t size)
+{
+    Cache* cache = PerThread<Cache>::getFastCase();
+    if (!cache)
+        return tryAllocateSlowCaseNullCache(size);
+    return cache->allocator().tryAllocate(size);
+}
+
+inline void* Cache::allocate(size_t size)
+{
+    Cache* cache = PerThread<Cache>::getFastCase();
+    if (!cache)
+        return allocateSlowCaseNullCache(size);
+    return cache->allocator().allocate(size);
+}
+
+inline void* Cache::tryAllocate(size_t alignment, size_t size)
+{
+    Cache* cache = PerThread<Cache>::getFastCase();
+    if (!cache)
+        return allocateSlowCaseNullCache(alignment, size);
+    return cache->allocator().tryAllocate(alignment, size);
+}
+
+inline void* Cache::allocate(size_t alignment, size_t size)
+{
+    Cache* cache = PerThread<Cache>::getFastCase();
+    if (!cache)
+        return allocateSlowCaseNullCache(alignment, size);
+    return cache->allocator().allocate(alignment, size);
+}
+
+inline void Cache::deallocate(void* object)
+{
+    Cache* cache = PerThread<Cache>::getFastCase();
+    if (!cache)
+        return deallocateSlowCaseNullCache(object);
+    return cache->deallocator().deallocate(object);
+}
+
+inline void* Cache::reallocate(void* object, size_t newSize)
+{
+    Cache* cache = PerThread<Cache>::getFastCase();
+    if (!cache)
+        return reallocateSlowCaseNullCache(object, newSize);
+    return cache->allocator().reallocate(object, newSize);
+}
+
+} // namespace bmalloc
+
+#endif // Cache_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Chunk.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Chunk.h
new file mode 100644
index 0000000000..3208277484
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Chunk.h
@@ -0,0 +1,146 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef Chunk_h
+#define Chunk_h
+
+#include "Object.h"
+#include "Sizes.h"
+#include "SmallLine.h"
+#include "SmallPage.h"
+#include "VMAllocate.h"
+#include <array>
+
+namespace bmalloc {
+
+class Chunk {
+public:
+    static Chunk* get(void*);
+
+    Chunk(std::lock_guard<StaticMutex>&);
+
+    size_t offset(void*);
+
+    char* address(size_t offset);
+    SmallPage* page(size_t offset);
+    SmallLine* line(size_t offset);
+
+    char* bytes() { return reinterpret_cast<char*>(this); }
+    SmallLine* lines() { return &m_lines[0]; }
+    SmallPage* pages() { return &m_pages[0]; }
+
+private:
+    std::array<SmallLine, chunkSize / smallLineSize> m_lines;
+    std::array<SmallPage, chunkSize / smallPageSize> m_pages;
+};
+
+struct ChunkHash {
+    static unsigned hash(Chunk* key)
+    {
+        return static_cast<unsigned>(
+            reinterpret_cast<uintptr_t>(key) / chunkSize);
+    }
+};
+
+inline Chunk::Chunk(std::lock_guard<StaticMutex>&)
+{
+}
+
+inline Chunk* Chunk::get(void* address)
+{
+    return static_cast<Chunk*>(mask(address, chunkMask));
+}
+
+inline size_t Chunk::offset(void* address)
+{
+    BASSERT(address >= this);
+    BASSERT(address < bytes() + chunkSize);
+    return static_cast<char*>(address) - bytes();
+}
+
+inline char* Chunk::address(size_t offset)
+{
+    return bytes() + offset;
+}
+
+inline SmallPage* Chunk::page(size_t offset)
+{
+    size_t pageNumber = offset / smallPageSize;
+    SmallPage* page = &m_pages[pageNumber];
+    return page - page->slide();
+}
+
+inline SmallLine* Chunk::line(size_t offset)
+{
+    size_t lineNumber = offset / smallLineSize;
+    return &m_lines[lineNumber];
+}
+
+inline char* SmallLine::begin()
+{
+    Chunk* chunk = Chunk::get(this);
+    size_t lineNumber = this - chunk->lines();
+    size_t offset = lineNumber * smallLineSize;
+    return &reinterpret_cast<char*>(chunk)[offset];
+}
+
+inline char* SmallLine::end()
+{
+    return begin() + smallLineSize;
+}
+
+inline SmallLine* SmallPage::begin()
+{
+    BASSERT(!m_slide);
+    Chunk* chunk = Chunk::get(this);
+    size_t pageNumber = this - chunk->pages();
+    size_t lineNumber = pageNumber * smallPageLineCount;
+    return &chunk->lines()[lineNumber];
+}
+
+inline Object::Object(void* object)
+    : m_chunk(Chunk::get(object))
+    , m_offset(m_chunk->offset(object))
+{
+}
+
+inline Object::Object(Chunk* chunk, void* object)
+    : m_chunk(chunk)
+    , m_offset(m_chunk->offset(object))
+{
+    BASSERT(chunk == Chunk::get(object));
+}
+
+inline char* Object::address()
+{
+    return m_chunk->address(m_offset);
+}
+
+inline SmallLine* Object::line()
+{
+    return m_chunk->line(m_offset);
+}
+
+inline SmallPage* Object::page()
+{
+    return m_chunk->page(m_offset);
+}
+
+}; // namespace bmalloc
+
+#endif // Chunk
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Deallocator.cpp b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Deallocator.cpp
new file mode 100644
index 0000000000..f6801f2c2a
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Deallocator.cpp
@@ -0,0 +1,94 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#include "BAssert.h"
+#include "Chunk.h"
+#include "Deallocator.h"
+#include "DebugHeap.h"
+#include "Heap.h"
+#include "Inline.h"
+#include "Object.h"
+#include "PerProcess.h"
+#include <algorithm>
+#include <cstdlib>
+#include <sys/mman.h>
+
+using namespace std;
+
+namespace bmalloc {
+
+Deallocator::Deallocator(Heap* heap)
+    : m_debugHeap(heap->debugHeap())
+{
+    if (m_debugHeap) {
+        // Fill the object log in order to disable the fast path.
+        while (m_objectLog.size() != m_objectLog.capacity())
+            m_objectLog.push(nullptr);
+    }
+}
+
+Deallocator::~Deallocator()
+{
+    scavenge();
+}
+    
+void Deallocator::scavenge()
+{
+    if (m_debugHeap)
+        return;
+
+    processObjectLog();
+}
+
+void Deallocator::processObjectLog(std::lock_guard<StaticMutex>& lock)
+{
+    Heap* heap = PerProcess<Heap>::getFastCase();
+    
+    for (Object object : m_objectLog)
+        heap->derefSmallLine(lock, object);
+
+    m_objectLog.clear();
+}
+
+void Deallocator::processObjectLog()
+{
+    std::lock_guard<StaticMutex> lock(PerProcess<Heap>::mutex());
+    processObjectLog(lock);
+}
+
+void Deallocator::deallocateSlowCase(void* object)
+{
+    if (m_debugHeap)
+        return m_debugHeap->free(object);
+
+    if (!object)
+        return;
+
+    std::lock_guard<StaticMutex> lock(PerProcess<Heap>::mutex());
+    if (PerProcess<Heap>::getFastCase()->isLarge(lock, object)) {
+        PerProcess<Heap>::getFastCase()->deallocateLarge(lock, object);
+        return;
+    }
+
+    if (m_objectLog.size() == m_objectLog.capacity())
+        processObjectLog(lock);
+
+    m_objectLog.push(object);
+}
+
+} // namespace bmalloc
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Deallocator.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Deallocator.h
new file mode 100644
index 0000000000..aaf537d3e4
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Deallocator.h
@@ -0,0 +1,73 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef Deallocator_h
+#define Deallocator_h
+
+#include "FixedVector.h"
+#include <mutex>
+
+namespace bmalloc {
+
+class DebugHeap;
+class Heap;
+class StaticMutex;
+
+// Per-cache object deallocator.
+
+class Deallocator {
+public:
+    Deallocator(Heap*);
+    ~Deallocator();
+
+    void deallocate(void*);
+    void scavenge();
+    
+    void processObjectLog();
+    void processObjectLog(std::lock_guard<StaticMutex>&);
+
+private:
+    bool deallocateFastCase(void*);
+    void deallocateSlowCase(void*);
+
+    FixedVector<void*, deallocatorLogCapacity> m_objectLog;
+    DebugHeap* m_debugHeap;
+};
+
+inline bool Deallocator::deallocateFastCase(void* object)
+{
+    BASSERT(mightBeLarge(nullptr));
+    if (mightBeLarge(object))
+        return false;
+
+    if (m_objectLog.size() == m_objectLog.capacity())
+        return false;
+
+    m_objectLog.push(object);
+    return true;
+}
+
+inline void Deallocator::deallocate(void* object)
+{
+    if (!deallocateFastCase(object))
+        deallocateSlowCase(object);
+}
+
+} // namespace bmalloc
+
+#endif // Deallocator_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/DebugHeap.cpp b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/DebugHeap.cpp
new file mode 100644
index 0000000000..54f850965e
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/DebugHeap.cpp
@@ -0,0 +1,104 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#include "DebugHeap.h"
+#include "BAssert.h"
+#include "BPlatform.h"
+#include <cstdlib>
+#include <thread>
+
+namespace bmalloc {
+    
+#if BOS(DARWIN)
+
+DebugHeap::DebugHeap(std::lock_guard<StaticMutex>&)
+    : m_zone(malloc_create_zone(0, 0))
+{
+    malloc_set_zone_name(m_zone, "WebKit Using System Malloc");
+}
+
+void* DebugHeap::malloc(size_t size)
+{
+    void* result = malloc_zone_malloc(m_zone, size);
+    if (!result)
+        BCRASH();
+    return result;
+}
+
+void* DebugHeap::memalign(size_t alignment, size_t size, bool crashOnFailure)
+{
+    void* result = malloc_zone_memalign(m_zone, alignment, size);
+    if (!result && crashOnFailure)
+        BCRASH();
+    return result;
+}
+
+void* DebugHeap::realloc(void* object, size_t size)
+{
+    void* result = malloc_zone_realloc(m_zone, object, size);
+    if (!result)
+        BCRASH();
+    return result;
+}
+
+void DebugHeap::free(void* object)
+{
+    malloc_zone_free(m_zone, object);
+}
+
+#else
+
+DebugHeap::DebugHeap(std::lock_guard<StaticMutex>&)
+{
+}
+
+void* DebugHeap::malloc(size_t size)
+{
+    void* result = ::malloc(size);
+    if (!result)
+        BCRASH();
+    return result;
+}
+
+void* DebugHeap::memalign(size_t alignment, size_t size, bool crashOnFailure)
+{
+    void* result;
+    if (posix_memalign(&result, alignment, size)) {
+        if (crashOnFailure)
+            BCRASH();
+        return nullptr;
+    }
+    return result;
+}
+
+void* DebugHeap::realloc(void* object, size_t size)
+{
+    void* result = ::realloc(object, size);
+    if (!result)
+        BCRASH();
+    return result;
+}
+
+void DebugHeap::free(void* object)
+{
+    ::free(object);
+}
+    
+#endif
+
+} // namespace bmalloc
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/DebugHeap.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/DebugHeap.h
new file mode 100644
index 0000000000..c02345ff84
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/DebugHeap.h
@@ -0,0 +1,44 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#pragma once
+
+#include "StaticMutex.h"
+#include <mutex>
+#if BOS(DARWIN)
+#include <malloc/malloc.h>
+#endif
+
+namespace bmalloc {
+    
+class DebugHeap {
+public:
+    DebugHeap(std::lock_guard<StaticMutex>&);
+    
+    void* malloc(size_t);
+    void* memalign(size_t alignment, size_t, bool crashOnFailure);
+    void* realloc(void*, size_t);
+    void free(void*);
+
+private:
+#if BOS(DARWIN)
+    malloc_zone_t* m_zone;
+#endif
+};
+
+} // namespace bmalloc
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Environment.cpp b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Environment.cpp
new file mode 100644
index 0000000000..8bae09966c
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Environment.cpp
@@ -0,0 +1,119 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#include "BPlatform.h"
+#include "Environment.h"
+#include <cstdlib>
+#include <cstring>
+#if BOS(DARWIN)
+#include <mach-o/dyld.h>
+#elif BOS(UNIX)
+#include <dlfcn.h>
+#endif
+
+namespace bmalloc {
+
+static bool isMallocEnvironmentVariableSet()
+{
+    const char* list[] = {
+        "Malloc",
+        "MallocLogFile",
+        "MallocGuardEdges",
+        "MallocDoNotProtectPrelude",
+        "MallocDoNotProtectPostlude",
+        "MallocStackLogging",
+        "MallocStackLoggingNoCompact",
+        "MallocStackLoggingDirectory",
+        "MallocScribble",
+        "MallocCheckHeapStart",
+        "MallocCheckHeapEach",
+        "MallocCheckHeapSleep",
+        "MallocCheckHeapAbort",
+        "MallocErrorAbort",
+        "MallocCorruptionAbort",
+        "MallocHelp"
+    };
+    size_t size = sizeof(list) / sizeof(const char*);
+    
+    for (size_t i = 0; i < size; ++i) {
+        if (getenv(list[i]))
+            return true;
+    }
+
+    return false;
+}
+
+static bool isLibgmallocEnabled()
+{
+    char* variable = getenv("DYLD_INSERT_LIBRARIES");
+    if (!variable)
+        return false;
+    if (!strstr(variable, "libgmalloc"))
+        return false;
+    return true;
+}
+
+static bool isSanitizerEnabled()
+{
+#if BOS(DARWIN)
+    static const char sanitizerPrefix[] = "/libclang_rt.";
+    static const char asanName[] = "asan_";
+    static const char tsanName[] = "tsan_";
+    uint32_t imageCount = _dyld_image_count();
+    for (uint32_t i = 0; i < imageCount; ++i) {
+        const char* imageName = _dyld_get_image_name(i);
+        if (!imageName)
+            continue;
+        if (const char* s = strstr(imageName, sanitizerPrefix)) {
+            const char* sanitizerName = s + sizeof(sanitizerPrefix) - 1;
+            if (!strncmp(sanitizerName, asanName, sizeof(asanName) - 1))
+                return true;
+            if (!strncmp(sanitizerName, tsanName, sizeof(tsanName) - 1))
+                return true;
+        }
+    }
+    return false;
+#elif BOS(UNIX)
+    void* handle = dlopen(nullptr, RTLD_NOW);
+    if (!handle)
+        return false;
+    bool result = !!dlsym(handle, "__asan_init") || !!dlsym(handle, "__tsan_init");
+    dlclose(handle);
+    return result;
+#else
+    return false;
+#endif
+}
+
+Environment::Environment()
+    : m_isDebugHeapEnabled(computeIsDebugHeapEnabled())
+{
+}
+
+bool Environment::computeIsDebugHeapEnabled()
+{
+    if (isMallocEnvironmentVariableSet())
+        return true;
+    if (isLibgmallocEnabled())
+        return true;
+    if (isSanitizerEnabled())
+        return true;
+    return false;
+}
+
+} // namespace bmalloc
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Environment.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Environment.h
new file mode 100644
index 0000000000..cc43f0e867
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Environment.h
@@ -0,0 +1,38 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef Environment_h
+#define Environment_h
+
+namespace bmalloc {
+
+class Environment {
+public:
+    Environment();
+    
+    bool isDebugHeapEnabled() { return m_isDebugHeapEnabled; }
+
+private:
+    bool computeIsDebugHeapEnabled();
+
+    bool m_isDebugHeapEnabled;
+};
+
+} // namespace bmalloc
+
+#endif // Environment_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/FixedVector.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/FixedVector.h
new file mode 100644
index 0000000000..50088f9264
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/FixedVector.h
@@ -0,0 +1,112 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef FixedVector_h
+#define FixedVector_h
+
+#include "BAssert.h"
+#include <array>
+#include <cstddef>
+#include <type_traits>
+
+namespace bmalloc {
+
+// A replacement for std::vector that uses a fixed-sized inline backing store.
+
+template<typename T, size_t Capacity>
+class FixedVector {
+    static_assert(std::is_trivially_destructible<T>::value, "FixedVector must have a trivial destructor.");
+public:
+    FixedVector(const FixedVector&) = delete;
+    FixedVector& operator=(const FixedVector&) = delete;
+
+    FixedVector();
+
+    const T* begin() const { return &m_buffer[0]; }
+    const T* end() const { return begin() + size(); }
+
+    size_t size() const { return m_size; }
+    size_t capacity() const { return Capacity; }
+    
+    T& operator[](size_t);
+
+    void push(const T&);
+    void push(const T*, const T*);
+    T pop();
+
+    void shrink(T*);
+    void shrink(size_t);
+
+    void clear() { shrink(static_cast<size_t>(0)); }
+    bool isEmpty() { return !m_size; }
+
+private:
+    size_t m_size;
+    std::array<T, Capacity> m_buffer;
+};
+
+template<typename T, size_t Capacity>
+inline FixedVector<T, Capacity>::FixedVector()
+    : m_size(0)
+{
+}
+
+template<typename T, size_t Capacity>
+inline T& FixedVector<T, Capacity>::operator[](size_t i)
+{
+    BASSERT(i < m_size);
+    return m_buffer[i];
+}
+
+template<typename T, size_t Capacity>
+inline void FixedVector<T, Capacity>::push(const T& value)
+{
+    BASSERT(m_size < Capacity);
+    m_buffer[m_size++] = value;
+}
+
+template<typename T, size_t Capacity>
+inline void FixedVector<T, Capacity>::push(const T* begin, const T* end)
+{
+    for (const T* it = begin; it != end; ++it)
+        push(*it);
+}
+
+template<typename T, size_t Capacity>
+inline T FixedVector<T, Capacity>::pop()
+{
+    BASSERT(m_size);
+    return m_buffer[--m_size];
+}
+
+template<typename T, size_t Capacity>
+inline void FixedVector<T, Capacity>::shrink(size_t size)
+{
+    BASSERT(size <= m_size);
+    m_size = size;
+}
+
+template<typename T, size_t Capacity>
+inline void FixedVector<T, Capacity>::shrink(T* end)
+{
+    shrink(end - begin());
+}
+
+} // namespace bmalloc
+
+#endif // FixedVector_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Heap.cpp b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Heap.cpp
new file mode 100644
index 0000000000..c77200340c
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Heap.cpp
@@ -0,0 +1,487 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#include "Heap.h"
+
+#if BPLATFORM(IOS)
+#include "AvailableMemory.h"
+#endif
+#include "BumpAllocator.h"
+#include "Chunk.h"
+#include "DebugHeap.h"
+#include "PerProcess.h"
+#include "SmallLine.h"
+#include "SmallPage.h"
+#include <thread>
+
+#if BOS(DARWIN)
+#include "bmalloc.h"
+#if BPLATFORM(IOS)
+#import <mach/host_info.h>
+#import <mach/mach.h>
+#import <mach/mach_error.h>
+#endif
+#endif
+
+namespace bmalloc {
+
+Heap::Heap(std::lock_guard<StaticMutex>&)
+    : m_vmPageSizePhysical(vmPageSizePhysical())
+    , m_scavenger(*this, &Heap::concurrentScavenge)
+    , m_debugHeap(nullptr)
+#if BPLATFORM(IOS)
+    , m_maxAvailableMemory(availableMemory())
+#endif
+{
+    RELEASE_BASSERT(vmPageSizePhysical() >= smallPageSize);
+    RELEASE_BASSERT(vmPageSize() >= vmPageSizePhysical());
+
+    initializeLineMetadata();
+    initializePageMetadata();
+    
+    if (m_environment.isDebugHeapEnabled())
+        m_debugHeap = PerProcess<DebugHeap>::get();
+
+#if BOS(DARWIN)
+    auto queue = dispatch_queue_create("WebKit Malloc Memory Pressure Handler", DISPATCH_QUEUE_SERIAL);
+    m_pressureHandlerDispatchSource = dispatch_source_create(DISPATCH_SOURCE_TYPE_MEMORYPRESSURE, 0, DISPATCH_MEMORYPRESSURE_CRITICAL, queue);
+    dispatch_source_set_event_handler(m_pressureHandlerDispatchSource, ^{
+        std::unique_lock<StaticMutex> lock(PerProcess<Heap>::mutex());
+        scavenge(lock);
+    });
+    dispatch_resume(m_pressureHandlerDispatchSource);
+    dispatch_release(queue);
+#endif
+}
+
+void Heap::initializeLineMetadata()
+{
+    size_t sizeClassCount = bmalloc::sizeClass(smallLineSize);
+    size_t smallLineCount = m_vmPageSizePhysical / smallLineSize;
+    m_smallLineMetadata.grow(sizeClassCount * smallLineCount);
+
+    for (size_t sizeClass = 0; sizeClass < sizeClassCount; ++sizeClass) {
+        size_t size = objectSize(sizeClass);
+        LineMetadata* pageMetadata = &m_smallLineMetadata[sizeClass * smallLineCount];
+
+        size_t object = 0;
+        size_t line = 0;
+        while (object < m_vmPageSizePhysical) {
+            line = object / smallLineSize;
+            size_t leftover = object % smallLineSize;
+
+            size_t objectCount;
+            size_t remainder;
+            divideRoundingUp(smallLineSize - leftover, size, objectCount, remainder);
+
+            pageMetadata[line] = { static_cast<unsigned char>(leftover), static_cast<unsigned char>(objectCount) };
+
+            object += objectCount * size;
+        }
+
+        // Don't allow the last object in a page to escape the page.
+        if (object > m_vmPageSizePhysical) {
+            BASSERT(pageMetadata[line].objectCount);
+            --pageMetadata[line].objectCount;
+        }
+    }
+}
+
+void Heap::initializePageMetadata()
+{
+    auto computePageSize = [&](size_t sizeClass) {
+        size_t size = objectSize(sizeClass);
+        if (sizeClass < bmalloc::sizeClass(smallLineSize))
+            return m_vmPageSizePhysical;
+
+        for (size_t pageSize = m_vmPageSizePhysical;
+            pageSize < pageSizeMax;
+            pageSize += m_vmPageSizePhysical) {
+            RELEASE_BASSERT(pageSize <= chunkSize / 2);
+            size_t waste = pageSize % size;
+            if (waste <= pageSize / pageSizeWasteFactor)
+                return pageSize;
+        }
+        
+        return pageSizeMax;
+    };
+
+    for (size_t i = 0; i < sizeClassCount; ++i)
+        m_pageClasses[i] = (computePageSize(i) - 1) / smallPageSize;
+}
+
+#if BPLATFORM(IOS)
+void Heap::updateMemoryInUseParameters()
+{
+    task_vm_info_data_t vmInfo;
+    mach_msg_type_number_t vmSize = TASK_VM_INFO_COUNT;
+    
+    if (KERN_SUCCESS != task_info(mach_task_self(), TASK_VM_INFO, (task_info_t)(&vmInfo), &vmSize))
+        m_memoryFootprint = 0;
+    else
+        m_memoryFootprint = static_cast<size_t>(vmInfo.phys_footprint);
+
+    double percentInUse = static_cast<double>(m_memoryFootprint) / static_cast<double>(m_maxAvailableMemory);
+    m_percentAvailableMemoryInUse = std::min(percentInUse, 1.0);
+}
+#endif
+
+void Heap::concurrentScavenge()
+{
+    std::unique_lock<StaticMutex> lock(PerProcess<Heap>::mutex());
+
+#if BOS(DARWIN)
+    pthread_set_qos_class_self_np(m_requestedScavengerThreadQOSClass, 0);
+#endif
+
+    if (m_isGrowing && !isUnderMemoryPressure()) {
+        m_isGrowing = false;
+        m_scavenger.runSoon();
+        return;
+    }
+    
+    scavenge(lock);
+}
+
+void Heap::scavenge(std::unique_lock<StaticMutex>& lock)
+{
+    scavengeSmallPages(lock);
+    scavengeLargeObjects(lock);
+}
+    
+void Heap::scavengeSmallPages(std::unique_lock<StaticMutex>& lock)
+{
+    for (size_t pageClass = 0; pageClass < pageClassCount; pageClass++) {
+        auto& smallPages = m_smallPages[pageClass];
+
+        while (!smallPages.isEmpty()) {
+            SmallPage* page = smallPages.pop();
+            m_vmHeap.deallocateSmallPage(lock, pageClass, page);
+        }
+    }
+}
+
+void Heap::scavengeLargeObjects(std::unique_lock<StaticMutex>& lock)
+{
+    auto& ranges = m_largeFree.ranges();
+    for (size_t i = ranges.size(); i-- > 0; i = std::min(i, ranges.size())) {
+        auto range = ranges.pop(i);
+        
+        lock.unlock();
+        vmDeallocatePhysicalPagesSloppy(range.begin(), range.size());
+        lock.lock();
+
+        range.setPhysicalSize(0);
+        ranges.push(range);
+    }
+}
+
+void Heap::scheduleScavengerIfUnderMemoryPressure(size_t bytes)
+{
+    m_scavengerBytes += bytes;
+    if (m_scavengerBytes < scavengerBytesPerMemoryPressureCheck)
+        return;
+
+    m_scavengerBytes = 0;
+
+    if (m_scavenger.willRun())
+        return;
+
+    if (!isUnderMemoryPressure())
+        return;
+
+    m_isGrowing = false;
+    m_scavenger.run();
+}
+
+void Heap::scheduleScavenger(size_t bytes)
+{
+    scheduleScavengerIfUnderMemoryPressure(bytes);
+
+    if (m_scavenger.willRunSoon())
+        return;
+
+    m_isGrowing = false;
+    m_scavenger.runSoon();
+}
+
+SmallPage* Heap::allocateSmallPage(std::lock_guard<StaticMutex>& lock, size_t sizeClass)
+{
+    if (!m_smallPagesWithFreeLines[sizeClass].isEmpty())
+        return m_smallPagesWithFreeLines[sizeClass].popFront();
+
+    m_isGrowing = true;
+    
+    SmallPage* page = [&]() {
+        size_t pageClass = m_pageClasses[sizeClass];
+        if (!m_smallPages[pageClass].isEmpty())
+            return m_smallPages[pageClass].pop();
+
+        scheduleScavengerIfUnderMemoryPressure(pageSize(pageClass));
+        
+        SmallPage* page = m_vmHeap.allocateSmallPage(lock, pageClass);
+        m_objectTypes.set(Chunk::get(page), ObjectType::Small);
+        return page;
+    }();
+
+    page->setSizeClass(sizeClass);
+    return page;
+}
+
+void Heap::deallocateSmallLine(std::lock_guard<StaticMutex>& lock, Object object)
+{
+    BASSERT(!object.line()->refCount(lock));
+    SmallPage* page = object.page();
+    page->deref(lock);
+
+    if (!page->hasFreeLines(lock)) {
+        page->setHasFreeLines(lock, true);
+        m_smallPagesWithFreeLines[page->sizeClass()].push(page);
+    }
+
+    if (page->refCount(lock))
+        return;
+
+    size_t sizeClass = page->sizeClass();
+    size_t pageClass = m_pageClasses[sizeClass];
+
+    m_smallPagesWithFreeLines[sizeClass].remove(page);
+    m_smallPages[pageClass].push(page);
+    
+    scheduleScavenger(pageSize(pageClass));
+}
+
+void Heap::allocateSmallBumpRangesByMetadata(
+    std::lock_guard<StaticMutex>& lock, size_t sizeClass,
+    BumpAllocator& allocator, BumpRangeCache& rangeCache)
+{
+    SmallPage* page = allocateSmallPage(lock, sizeClass);
+    SmallLine* lines = page->begin();
+    BASSERT(page->hasFreeLines(lock));
+    size_t smallLineCount = m_vmPageSizePhysical / smallLineSize;
+    LineMetadata* pageMetadata = &m_smallLineMetadata[sizeClass * smallLineCount];
+    
+    auto findSmallBumpRange = [&](size_t& lineNumber) {
+        for ( ; lineNumber < smallLineCount; ++lineNumber) {
+            if (!lines[lineNumber].refCount(lock)) {
+                if (pageMetadata[lineNumber].objectCount)
+                    return true;
+            }
+        }
+        return false;
+    };
+
+    auto allocateSmallBumpRange = [&](size_t& lineNumber) -> BumpRange {
+        char* begin = lines[lineNumber].begin() + pageMetadata[lineNumber].startOffset;
+        unsigned short objectCount = 0;
+        
+        for ( ; lineNumber < smallLineCount; ++lineNumber) {
+            if (lines[lineNumber].refCount(lock))
+                break;
+
+            if (!pageMetadata[lineNumber].objectCount)
+                continue;
+
+            objectCount += pageMetadata[lineNumber].objectCount;
+            lines[lineNumber].ref(lock, pageMetadata[lineNumber].objectCount);
+            page->ref(lock);
+        }
+        return { begin, objectCount };
+    };
+
+    size_t lineNumber = 0;
+    for (;;) {
+        if (!findSmallBumpRange(lineNumber)) {
+            page->setHasFreeLines(lock, false);
+            BASSERT(allocator.canAllocate());
+            return;
+        }
+
+        // In a fragmented page, some free ranges might not fit in the cache.
+        if (rangeCache.size() == rangeCache.capacity()) {
+            m_smallPagesWithFreeLines[sizeClass].push(page);
+            BASSERT(allocator.canAllocate());
+            return;
+        }
+
+        BumpRange bumpRange = allocateSmallBumpRange(lineNumber);
+        if (allocator.canAllocate())
+            rangeCache.push(bumpRange);
+        else
+            allocator.refill(bumpRange);
+    }
+}
+
+void Heap::allocateSmallBumpRangesByObject(
+    std::lock_guard<StaticMutex>& lock, size_t sizeClass,
+    BumpAllocator& allocator, BumpRangeCache& rangeCache)
+{
+    size_t size = allocator.size();
+    SmallPage* page = allocateSmallPage(lock, sizeClass);
+    BASSERT(page->hasFreeLines(lock));
+
+    auto findSmallBumpRange = [&](Object& it, Object& end) {
+        for ( ; it + size <= end; it = it + size) {
+            if (!it.line()->refCount(lock))
+                return true;
+        }
+        return false;
+    };
+
+    auto allocateSmallBumpRange = [&](Object& it, Object& end) -> BumpRange {
+        char* begin = it.address();
+        unsigned short objectCount = 0;
+        for ( ; it + size <= end; it = it + size) {
+            if (it.line()->refCount(lock))
+                break;
+
+            ++objectCount;
+            it.line()->ref(lock);
+            it.page()->ref(lock);
+        }
+        return { begin, objectCount };
+    };
+
+    Object it(page->begin()->begin());
+    Object end(it + pageSize(m_pageClasses[sizeClass]));
+    for (;;) {
+        if (!findSmallBumpRange(it, end)) {
+            page->setHasFreeLines(lock, false);
+            BASSERT(allocator.canAllocate());
+            return;
+        }
+
+        // In a fragmented page, some free ranges might not fit in the cache.
+        if (rangeCache.size() == rangeCache.capacity()) {
+            m_smallPagesWithFreeLines[sizeClass].push(page);
+            BASSERT(allocator.canAllocate());
+            return;
+        }
+
+        BumpRange bumpRange = allocateSmallBumpRange(it, end);
+        if (allocator.canAllocate())
+            rangeCache.push(bumpRange);
+        else
+            allocator.refill(bumpRange);
+    }
+}
+
+LargeRange Heap::splitAndAllocate(LargeRange& range, size_t alignment, size_t size)
+{
+    LargeRange prev;
+    LargeRange next;
+
+    size_t alignmentMask = alignment - 1;
+    if (test(range.begin(), alignmentMask)) {
+        size_t prefixSize = roundUpToMultipleOf(alignment, range.begin()) - range.begin();
+        std::pair<LargeRange, LargeRange> pair = range.split(prefixSize);
+        prev = pair.first;
+        range = pair.second;
+    }
+
+    if (range.size() - size > size / pageSizeWasteFactor) {
+        std::pair<LargeRange, LargeRange> pair = range.split(size);
+        range = pair.first;
+        next = pair.second;
+    }
+    
+    if (range.physicalSize() < range.size()) {
+        scheduleScavengerIfUnderMemoryPressure(range.size());
+        
+        vmAllocatePhysicalPagesSloppy(range.begin() + range.physicalSize(), range.size() - range.physicalSize());
+        range.setPhysicalSize(range.size());
+    }
+    
+    if (prev)
+        m_largeFree.add(prev);
+
+    if (next)
+        m_largeFree.add(next);
+
+    m_objectTypes.set(Chunk::get(range.begin()), ObjectType::Large);
+
+    m_largeAllocated.set(range.begin(), range.size());
+    return range;
+}
+
+void* Heap::tryAllocateLarge(std::lock_guard<StaticMutex>& lock, size_t alignment, size_t size)
+{
+    BASSERT(isPowerOfTwo(alignment));
+
+    m_isGrowing = true;
+    
+    size_t roundedSize = size ? roundUpToMultipleOf(largeAlignment, size) : largeAlignment;
+    if (roundedSize < size) // Check for overflow
+        return nullptr;
+    size = roundedSize;
+
+    size_t roundedAlignment = roundUpToMultipleOf<largeAlignment>(alignment);
+    if (roundedAlignment < alignment) // Check for overflow
+        return nullptr;
+    alignment = roundedAlignment;
+
+    LargeRange range = m_largeFree.remove(alignment, size);
+    if (!range) {
+        range = m_vmHeap.tryAllocateLargeChunk(lock, alignment, size);
+        if (!range)
+            return nullptr;
+
+        m_largeFree.add(range);
+        range = m_largeFree.remove(alignment, size);
+    }
+
+    return splitAndAllocate(range, alignment, size).begin();
+}
+
+void* Heap::allocateLarge(std::lock_guard<StaticMutex>& lock, size_t alignment, size_t size)
+{
+    void* result = tryAllocateLarge(lock, alignment, size);
+    RELEASE_BASSERT(result);
+    return result;
+}
+
+bool Heap::isLarge(std::lock_guard<StaticMutex>&, void* object)
+{
+    return m_objectTypes.get(Object(object).chunk()) == ObjectType::Large;
+}
+
+size_t Heap::largeSize(std::lock_guard<StaticMutex>&, void* object)
+{
+    return m_largeAllocated.get(object);
+}
+
+void Heap::shrinkLarge(std::lock_guard<StaticMutex>&, const Range& object, size_t newSize)
+{
+    BASSERT(object.size() > newSize);
+
+    size_t size = m_largeAllocated.remove(object.begin());
+    LargeRange range = LargeRange(object, size);
+    splitAndAllocate(range, alignment, newSize);
+
+    scheduleScavenger(size);
+}
+
+void Heap::deallocateLarge(std::lock_guard<StaticMutex>&, void* object)
+{
+    size_t size = m_largeAllocated.remove(object);
+    m_largeFree.add(LargeRange(object, size, size));
+    
+    scheduleScavenger(size);
+}
+
+} // namespace bmalloc
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Heap.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Heap.h
new file mode 100644
index 0000000000..bd4bb4463c
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Heap.h
@@ -0,0 +1,193 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef Heap_h
+#define Heap_h
+
+#include "AsyncTask.h"
+#include "BumpRange.h"
+#include "Environment.h"
+#include "LargeMap.h"
+#include "LineMetadata.h"
+#include "List.h"
+#include "Map.h"
+#include "Mutex.h"
+#include "Object.h"
+#include "SmallLine.h"
+#include "SmallPage.h"
+#include "VMHeap.h"
+#include "Vector.h"
+#include <array>
+#include <mutex>
+
+#if BOS(DARWIN)
+#include <dispatch/dispatch.h>
+#endif
+
+namespace bmalloc {
+
+class BeginTag;
+class BumpAllocator;
+class DebugHeap;
+class EndTag;
+
+class Heap {
+public:
+    Heap(std::lock_guard<StaticMutex>&);
+    
+    DebugHeap* debugHeap() { return m_debugHeap; }
+
+    void allocateSmallBumpRanges(std::lock_guard<StaticMutex>&, size_t sizeClass, BumpAllocator&, BumpRangeCache&);
+    void derefSmallLine(std::lock_guard<StaticMutex>&, Object);
+
+    void* allocateLarge(std::lock_guard<StaticMutex>&, size_t alignment, size_t);
+    void* tryAllocateLarge(std::lock_guard<StaticMutex>&, size_t alignment, size_t);
+    void deallocateLarge(std::lock_guard<StaticMutex>&, void*);
+
+    bool isLarge(std::lock_guard<StaticMutex>&, void*);
+    size_t largeSize(std::lock_guard<StaticMutex>&, void*);
+    void shrinkLarge(std::lock_guard<StaticMutex>&, const Range&, size_t);
+
+    void scavenge(std::unique_lock<StaticMutex>&);
+
+    size_t memoryFootprint();
+    double percentAvailableMemoryInUse();
+    bool isUnderMemoryPressure();
+    
+#if BOS(DARWIN)
+    void setScavengerThreadQOSClass(qos_class_t overrideClass) { m_requestedScavengerThreadQOSClass = overrideClass; }
+#endif
+
+private:
+    struct LargeObjectHash {
+        static unsigned hash(void* key)
+        {
+            return static_cast<unsigned>(
+                reinterpret_cast<uintptr_t>(key) / smallMax);
+        }
+    };
+
+    ~Heap() = delete;
+    
+    void initializeLineMetadata();
+    void initializePageMetadata();
+
+    void allocateSmallBumpRangesByMetadata(std::lock_guard<StaticMutex>&,
+        size_t sizeClass, BumpAllocator&, BumpRangeCache&);
+    void allocateSmallBumpRangesByObject(std::lock_guard<StaticMutex>&,
+        size_t sizeClass, BumpAllocator&, BumpRangeCache&);
+
+    SmallPage* allocateSmallPage(std::lock_guard<StaticMutex>&, size_t sizeClass);
+
+    void deallocateSmallLine(std::lock_guard<StaticMutex>&, Object);
+
+    void mergeLarge(BeginTag*&, EndTag*&, Range&);
+    void mergeLargeLeft(EndTag*&, BeginTag*&, Range&, bool& inVMHeap);
+    void mergeLargeRight(EndTag*&, BeginTag*&, Range&, bool& inVMHeap);
+
+    LargeRange splitAndAllocate(LargeRange&, size_t alignment, size_t);
+
+    void scheduleScavenger(size_t);
+    void scheduleScavengerIfUnderMemoryPressure(size_t);
+    
+    void concurrentScavenge();
+    void scavengeSmallPages(std::unique_lock<StaticMutex>&);
+    void scavengeLargeObjects(std::unique_lock<StaticMutex>&);
+    
+#if BPLATFORM(IOS)
+    void updateMemoryInUseParameters();
+#endif
+
+    size_t m_vmPageSizePhysical;
+    Vector<LineMetadata> m_smallLineMetadata;
+    std::array<size_t, sizeClassCount> m_pageClasses;
+
+    std::array<List<SmallPage>, sizeClassCount> m_smallPagesWithFreeLines;
+    std::array<List<SmallPage>, pageClassCount> m_smallPages;
+
+    Map<void*, size_t, LargeObjectHash> m_largeAllocated;
+    LargeMap m_largeFree;
+
+    Map<Chunk*, ObjectType, ChunkHash> m_objectTypes;
+
+    size_t m_scavengerBytes { 0 };
+    bool m_isGrowing { false };
+    
+    AsyncTask<Heap, decltype(&Heap::concurrentScavenge)> m_scavenger;
+
+    Environment m_environment;
+    DebugHeap* m_debugHeap;
+
+#if BPLATFORM(IOS)
+    size_t m_maxAvailableMemory;
+    size_t m_memoryFootprint;
+    double m_percentAvailableMemoryInUse;
+#endif
+
+    VMHeap m_vmHeap;
+
+#if BOS(DARWIN)
+    dispatch_source_t m_pressureHandlerDispatchSource;
+    qos_class_t m_requestedScavengerThreadQOSClass { QOS_CLASS_USER_INITIATED };
+#endif
+};
+
+inline void Heap::allocateSmallBumpRanges(
+    std::lock_guard<StaticMutex>& lock, size_t sizeClass,
+    BumpAllocator& allocator, BumpRangeCache& rangeCache)
+{
+    if (sizeClass < bmalloc::sizeClass(smallLineSize))
+        return allocateSmallBumpRangesByMetadata(lock, sizeClass, allocator, rangeCache);
+    return allocateSmallBumpRangesByObject(lock, sizeClass, allocator, rangeCache);
+}
+
+inline void Heap::derefSmallLine(std::lock_guard<StaticMutex>& lock, Object object)
+{
+    if (!object.line()->deref(lock))
+        return;
+    deallocateSmallLine(lock, object);
+}
+
+inline bool Heap::isUnderMemoryPressure()
+{
+#if BPLATFORM(IOS)
+    return percentAvailableMemoryInUse() > memoryPressureThreshold;
+#else
+    return false;
+#endif
+}
+    
+#if BPLATFORM(IOS)
+inline size_t Heap::memoryFootprint()
+{
+    updateMemoryInUseParameters();
+
+    return m_memoryFootprint;
+}
+
+inline double Heap::percentAvailableMemoryInUse()
+{
+    updateMemoryInUseParameters();
+
+    return m_percentAvailableMemoryInUse;
+}
+#endif
+
+} // namespace bmalloc
+
+#endif // Heap_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Inline.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Inline.h
new file mode 100644
index 0000000000..a529313f4c
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/Inline.h
@@ -0,0 +1,26 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef Inline_h
+#define Inline_h
+
+#define INLINE __attribute__((always_inline)) inline
+
+#define NO_INLINE __attribute__((noinline))
+
+#endif // Inline_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LargeMap.cpp b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LargeMap.cpp
new file mode 100644
index 0000000000..2b23e53bc8
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LargeMap.cpp
@@ -0,0 +1,72 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#include "LargeMap.h"
+#include <utility>
+
+namespace bmalloc {
+
+LargeRange LargeMap::remove(size_t alignment, size_t size)
+{
+    size_t alignmentMask = alignment - 1;
+
+    LargeRange* candidate = m_free.end();
+    for (LargeRange* it = m_free.begin(); it != m_free.end(); ++it) {
+        if (it->size() < size)
+            continue;
+
+        if (candidate != m_free.end() && candidate->begin() < it->begin())
+            continue;
+
+        if (test(it->begin(), alignmentMask)) {
+            char* aligned = roundUpToMultipleOf(alignment, it->begin());
+            if (aligned < it->begin()) // Check for overflow.
+                continue;
+
+            char* alignedEnd = aligned + size;
+            if (alignedEnd < aligned) // Check for overflow.
+                continue;
+
+            if (alignedEnd > it->end())
+                continue;
+        }
+
+        candidate = it;
+    }
+    
+    if (candidate == m_free.end())
+        return LargeRange();
+
+    return m_free.pop(candidate);
+}
+
+void LargeMap::add(const LargeRange& range)
+{
+    LargeRange merged = range;
+
+    for (size_t i = 0; i < m_free.size(); ++i) {
+        if (!canMerge(merged, m_free[i]))
+            continue;
+
+        merged = merge(merged, m_free.pop(i--));
+    }
+    
+    m_free.push(merged);
+}
+
+} // namespace bmalloc
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LargeMap.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LargeMap.h
new file mode 100644
index 0000000000..721ac3f449
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LargeMap.h
@@ -0,0 +1,40 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef LargeMap_h
+#define LargeMap_h
+
+#include "LargeRange.h"
+#include "Vector.h"
+#include <algorithm>
+
+namespace bmalloc {
+
+class LargeMap {
+public:
+    void add(const LargeRange&);
+    LargeRange remove(size_t alignment, size_t);
+    Vector<LargeRange>& ranges() { return m_free; }
+
+private:
+    Vector<LargeRange> m_free;
+};
+
+} // namespace bmalloc
+
+#endif // LargeMap_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LargeRange.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LargeRange.h
new file mode 100644
index 0000000000..d913030372
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LargeRange.h
@@ -0,0 +1,103 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef LargeRange_h
+#define LargeRange_h
+
+#include "BAssert.h"
+#include "Range.h"
+
+namespace bmalloc {
+
+class LargeRange : public Range {
+public:
+    LargeRange()
+        : Range()
+        , m_physicalSize(0)
+    {
+    }
+
+    LargeRange(const Range& other, size_t physicalSize)
+        : Range(other)
+        , m_physicalSize(physicalSize)
+    {
+    }
+
+    LargeRange(void* begin, size_t size, size_t physicalSize)
+        : Range(begin, size)
+        , m_physicalSize(physicalSize)
+    {
+    }
+
+    size_t physicalSize() const { return m_physicalSize; }
+    void setPhysicalSize(size_t physicalSize) { m_physicalSize = physicalSize; }
+
+    std::pair<LargeRange, LargeRange> split(size_t) const;
+
+    bool operator<(const void* other) const { return begin() < other; }
+    bool operator<(const LargeRange& other) const { return begin() < other.begin(); }
+
+private:
+    size_t m_physicalSize;
+};
+
+inline bool canMerge(const LargeRange& a, const LargeRange& b)
+{
+    if (a.end() == b.begin())
+        return true;
+    
+    if (b.end() == a.begin())
+        return true;
+    
+    return false;
+}
+
+inline LargeRange merge(const LargeRange& a, const LargeRange& b)
+{
+    const LargeRange& left = std::min(a, b);
+    if (left.size() == left.physicalSize()) {
+        return LargeRange(
+            left.begin(),
+            a.size() + b.size(),
+            a.physicalSize() + b.physicalSize());
+    }
+
+    return LargeRange(
+        left.begin(),
+        a.size() + b.size(),
+        left.physicalSize());
+}
+
+inline std::pair<LargeRange, LargeRange> LargeRange::split(size_t size) const
+{
+    BASSERT(size <= this->size());
+    
+    if (size <= physicalSize()) {
+        LargeRange left(begin(), size, size);
+        LargeRange right(left.end(), this->size() - size, physicalSize() - size);
+        return std::make_pair(left, right);
+    }
+
+    LargeRange left(begin(), size, physicalSize());
+    LargeRange right(left.end(), this->size() - size, 0);
+    return std::make_pair(left, right);
+}
+
+} // namespace bmalloc
+
+#endif // LargeRange_h
diff --git a/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LineMetadata.h b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LineMetadata.h
new file mode 100644
index 0000000000..dba4e5a3c7
--- /dev/null
+++ b/weex_core/Source/android/jsengine/dependence/bmalloc/bmalloc/LineMetadata.h
@@ -0,0 +1,39 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+#ifndef LineMetadata_h
+#define LineMetadata_h
+

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