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Posted to commits@nuttx.apache.org by ag...@apache.org on 2020/06/29 16:28:33 UTC

[incubator-nuttx] 01/02: tools: cxd56: mkspk: fix out of tree MAC build

This is an automated email from the ASF dual-hosted git repository.

aguettouche pushed a commit to branch releases/9.1
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit 256005cc7b6638b5922f1f2bdd5e6e1ef33faa07
Author: Alin Jerpelea <al...@sony.com>
AuthorDate: Mon Jun 29 09:09:29 2020 +0200

    tools: cxd56: mkspk: fix out of tree MAC build
    
    The local copy of elf headers is needed for the MAC systems which miss the ELF headers.
    
    Signed-off-by: Alin Jerpelea <al...@sony.com>
---
 tools/cxd56/elf32.h | 175 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 tools/cxd56/mkspk.h |  12 +++-
 2 files changed, 186 insertions(+), 1 deletion(-)

diff --git a/tools/cxd56/elf32.h b/tools/cxd56/elf32.h
new file mode 100644
index 0000000..a6fa991
--- /dev/null
+++ b/tools/cxd56/elf32.h
@@ -0,0 +1,175 @@
+/****************************************************************************
+ * tools/cxd56/elf32.h
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gn...@nuttx.org>
+ *
+ * Reference: System V Application Binary Interface, Edition 4.1, March 18,
+ * 1997, The Santa Cruz Operation, Inc.
+ *
+ * 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.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE
+ * COPYRIGHT OWNER 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.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_ELF32_H
+#define __INCLUDE_ELF32_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdint.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define EI_NIDENT          16     /* Size of e_ident[] */
+
+#define ELF32_ST_BIND(i)   ((i) >> 4)
+#define ELF32_ST_TYPE(i)   ((i) & 0xf)
+#define ELF32_ST_INFO(b,t) (((b) << 4) | ((t) & 0xf))
+
+/* Definitions for Elf32_Rel*::r_info */
+
+#define ELF32_R_SYM(i)    ((i) >> 8)
+#define ELF32_R_TYPE(i)   ((i) & 0xff)
+#define ELF32_R_INFO(s,t) (((s)<< 8) | ((t) & 0xff))
+
+#define ELF_R_SYM(i)      ELF32_R_SYM(i)
+
+/****************************************************************************
+ * Public Type Definitions
+ ****************************************************************************/
+
+/* Figure 4.2: 32-Bit Data Types */
+
+typedef uint32_t  Elf32_Addr;  /* Unsigned program address */
+typedef uint16_t  Elf32_Half;  /* Unsigned medium integer */
+typedef uint32_t  Elf32_Off;   /* Unsigned file offset */
+typedef int32_t   Elf32_Sword; /* Signed large integer */
+typedef uint32_t  Elf32_Word;  /* Unsigned large integer */
+
+/* Figure 4-3: ELF Header */
+
+typedef struct
+{
+  unsigned char e_ident[EI_NIDENT];
+  Elf32_Half    e_type;
+  Elf32_Half    e_machine;
+  Elf32_Word    e_version;
+  Elf32_Addr    e_entry;
+  Elf32_Off     e_phoff;
+  Elf32_Off     e_shoff;
+  Elf32_Word    e_flags;
+  Elf32_Half    e_ehsize;
+  Elf32_Half    e_phentsize;
+  Elf32_Half    e_phnum;
+  Elf32_Half    e_shentsize;
+  Elf32_Half    e_shnum;
+  Elf32_Half    e_shstrndx;
+} Elf32_Ehdr;
+
+/* Figure 4-8: Section Header */
+
+typedef struct
+{
+  Elf32_Word    sh_name;
+  Elf32_Word    sh_type;
+  Elf32_Word    sh_flags;
+  Elf32_Addr    sh_addr;
+  Elf32_Off     sh_offset;
+  Elf32_Word    sh_size;
+  Elf32_Word    sh_link;
+  Elf32_Word    sh_info;
+  Elf32_Word    sh_addralign;
+  Elf32_Word    sh_entsize;
+} Elf32_Shdr;
+
+/* Figure 4-15: Symbol Table Entry */
+
+typedef struct
+{
+  Elf32_Word    st_name;
+  Elf32_Addr    st_value;
+  Elf32_Word    st_size;
+  unsigned char st_info;
+  unsigned char st_other;
+  Elf32_Half    st_shndx;
+} Elf32_Sym;
+
+/* Figure 4-19: Relocation Entries */
+
+typedef struct
+{
+  Elf32_Addr   r_offset;
+  Elf32_Word   r_info;
+} Elf32_Rel;
+
+typedef struct
+{
+  Elf32_Addr   r_offset;
+  Elf32_Word   r_info;
+  Elf32_Sword  r_addend;
+} Elf32_Rela;
+
+/* Figure 5-1: Program Header */
+
+typedef struct
+{
+  Elf32_Word   p_type;
+  Elf32_Off    p_offset;
+  Elf32_Addr   p_vaddr;
+  Elf32_Addr   p_paddr;
+  Elf32_Word   p_filesz;
+  Elf32_Word   p_memsz;
+  Elf32_Word   p_flags;
+  Elf32_Word   p_align;
+} Elf32_Phdr;
+
+/* Figure 5-9: Dynamic Structure */
+
+typedef struct
+{
+  Elf32_Sword  d_tag;
+  union
+  {
+    Elf32_Word d_val;
+    Elf32_Addr d_ptr;
+  } d_un;
+} Elf32_Dyn;
+
+typedef Elf32_Addr  Elf_Addr;
+typedef Elf32_Ehdr  Elf_Ehdr;
+typedef Elf32_Rel   Elf_Rel;
+typedef Elf32_Rela  Elf_Rela;
+typedef Elf32_Sym   Elf_Sym;
+typedef Elf32_Shdr  Elf_Shdr;
+typedef Elf32_Word  Elf_Word;
+
+#endif /* __INCLUDE_ELF32_H */
diff --git a/tools/cxd56/mkspk.h b/tools/cxd56/mkspk.h
index 5a67bb3..5c1b979 100644
--- a/tools/cxd56/mkspk.h
+++ b/tools/cxd56/mkspk.h
@@ -36,12 +36,22 @@
  ****************************************************************************/
 
 #include "clefia.h"
-#include "elf.h"
+#include "elf32.h"
 
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
 
+#define EI_MAG0            0      /* File identification */
+#define EI_MAG1            1
+#define EI_MAG2            2
+#define EI_MAG3            3
+
+#define SHT_SYMTAB         2
+#define SHT_STRTAB         3
+
+#define PT_LOAD            1
+
 #define alignup(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
 #define swap(a, b) { (a) ^= (b); (b) ^= (a); (a) ^= (b); }