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Posted to commits@nuttx.apache.org by ma...@apache.org on 2021/11/23 11:35:07 UTC
[incubator-nuttx] 03/03: arch/sim: add arch elf define
This is an automated email from the ASF dual-hosted git repository.
masayuki pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit 0f76ff42eb7ea87a34a3cd7aac9c933ba61f111c
Author: chao.an <an...@xiaomi.com>
AuthorDate: Wed Nov 17 23:48:44 2021 +0800
arch/sim: add arch elf define
Signed-off-by: chao.an <an...@xiaomi.com>
---
arch/sim/include/elf.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/sim/include/elf.h b/arch/sim/include/elf.h
new file mode 100644
index 0000000..800894a
--- /dev/null
+++ b/arch/sim/include/elf.h
@@ -0,0 +1,52 @@
+/****************************************************************************
+ * arch/sim/include/elf.h
+ *
+ * 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 __ARCH_SIM_INCLUDE_ELF_H
+#define __ARCH_SIM_INCLUDE_ELF_H
+
+/****************************************************************************
+ * Pre-processor Prototypes
+ ****************************************************************************/
+
+/* 4.3.1 ELF Identification. Should have:
+ *
+ * e_machine = EM_386
+ * e_ident[EI_CLASS] = ELFCLASS32
+ * e_ident[EI_DATA] = ELFDATA2LSB (little endian) or
+ * ELFDATA2MSB (big endian)
+ */
+
+#ifdef CONFIG_SIM_M32
+# define EM_ARCH EM_386
+# define ELF_CLASS ELFCLASS32
+#else
+# define EM_ARCH EM_X86_64
+# define ELF_CLASS ELFCLASS32
+#endif
+
+#ifdef CONFIG_ENDIAN_BIG
+# define ELF_DATA ELFDATA2MSB
+#else
+# define ELF_DATA ELFDATA2LSB
+#endif
+
+#define EF_FLAG 0
+
+#endif /* __ARCH_SIM_INCLUDE_ELF_H */