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@@ -1,5 +1,5 @@
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/*
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- * File : module.c
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+ * File : module.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
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*
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@@ -12,237 +12,237 @@
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* 2010-01-09 Bernard first version
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* 2010-04-09 yi.qiu implement based on first version
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*/
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-
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+
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#ifndef __MODULE_H__
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#define __MODULE_H__
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#include <rtdef.h>
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-typedef rt_uint8_t Elf_Byte;
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+typedef rt_uint8_t Elf_Byte;
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-typedef rt_uint32_t Elf32_Addr; /* Unsigned program address */
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-typedef rt_uint32_t Elf32_Off; /* Unsigned file offset */
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-typedef rt_int32_t Elf32_Sword; /* Signed large integer */
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-typedef rt_uint32_t Elf32_Word; /* Unsigned large integer */
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-typedef rt_uint16_t Elf32_Half; /* Unsigned medium integer */
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+typedef rt_uint32_t Elf32_Addr; /* Unsigned program address */
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+typedef rt_uint32_t Elf32_Off; /* Unsigned file offset */
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+typedef rt_int32_t Elf32_Sword; /* Signed large integer */
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+typedef rt_uint32_t Elf32_Word; /* Unsigned large integer */
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+typedef rt_uint16_t Elf32_Half; /* Unsigned medium integer */
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/* e_ident[] magic number */
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-#define ELFMAG0 0x7f /* e_ident[EI_MAG0] */
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-#define ELFMAG1 'E' /* e_ident[EI_MAG1] */
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-#define ELFMAG2 'L' /* e_ident[EI_MAG2] */
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-#define ELFMAG3 'F' /* e_ident[EI_MAG3] */
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-#define RTMMAG "\177RTM" /* magic */
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-#define ELFMAG "\177ELF" /* magic */
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-#define SELFMAG 4 /* size of magic */
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+#define ELFMAG0 0x7f /* e_ident[EI_MAG0] */
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+#define ELFMAG1 'E' /* e_ident[EI_MAG1] */
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+#define ELFMAG2 'L' /* e_ident[EI_MAG2] */
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+#define ELFMAG3 'F' /* e_ident[EI_MAG3] */
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+#define RTMMAG "\177RTM" /* magic */
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+#define ELFMAG "\177ELF" /* magic */
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+#define SELFMAG 4 /* size of magic */
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-#define EI_CLASS 4 /* file class */
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-#define EI_NIDENT 16 /* Size of e_ident[] */
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+#define EI_CLASS 4 /* file class */
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+#define EI_NIDENT 16 /* Size of e_ident[] */
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/* e_ident[] file class */
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-#define ELFCLASSNONE 0 /* invalid */
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-#define ELFCLASS32 1 /* 32-bit objs */
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-#define ELFCLASS64 2 /* 64-bit objs */
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-#define ELFCLASSNUM 3 /* number of classes */
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+#define ELFCLASSNONE 0 /* invalid */
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+#define ELFCLASS32 1 /* 32-bit objs */
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+#define ELFCLASS64 2 /* 64-bit objs */
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+#define ELFCLASSNUM 3 /* number of classes */
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/* e_ident[] data encoding */
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-#define ELFDATANONE 0 /* invalid */
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-#define ELFDATA2LSB 1 /* Little-Endian */
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-#define ELFDATA2MSB 2 /* Big-Endian */
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-#define ELFDATANUM 3 /* number of data encode defines */
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+#define ELFDATANONE 0 /* invalid */
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+#define ELFDATA2LSB 1 /* Little-Endian */
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+#define ELFDATA2MSB 2 /* Big-Endian */
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+#define ELFDATANUM 3 /* number of data encode defines */
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/* e_ident */
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-#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
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- (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
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- (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
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- (ehdr).e_ident[EI_MAG3] == ELFMAG3)
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+#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
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+ (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
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+ (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
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+ (ehdr).e_ident[EI_MAG3] == ELFMAG3)
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-#define ET_NONE 0 /* No file type */
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-#define ET_REL 1 /* Relocatable file */
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-#define ET_EXEC 2 /* Executable file */
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-#define ET_DYN 3 /* Shared object file */
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-#define ET_CORE 4 /* Core file */
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+#define ET_NONE 0 /* No file type */
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+#define ET_REL 1 /* Relocatable file */
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+#define ET_EXEC 2 /* Executable file */
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+#define ET_DYN 3 /* Shared object file */
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+#define ET_CORE 4 /* Core file */
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/* ELF Header */
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typedef struct elfhdr
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{
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- unsigned char e_ident[EI_NIDENT]; /* ELF Identification */
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- Elf32_Half e_type; /* object file type */
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- Elf32_Half e_machine; /* machine */
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- Elf32_Word e_version; /* object file version */
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- Elf32_Addr e_entry; /* virtual entry point */
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- Elf32_Off e_phoff; /* program header table offset */
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- Elf32_Off e_shoff; /* section header table offset */
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- Elf32_Word e_flags; /* processor-specific flags */
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- Elf32_Half e_ehsize; /* ELF header size */
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- Elf32_Half e_phentsize; /* program header entry size */
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- Elf32_Half e_phnum; /* number of program header entries */
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- Elf32_Half e_shentsize; /* section header entry size */
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- Elf32_Half e_shnum; /* number of section header entries */
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- Elf32_Half e_shstrndx; /* section header table's "section
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- header string table" entry offset */
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+ unsigned char e_ident[EI_NIDENT]; /* ELF Identification */
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+ Elf32_Half e_type; /* object file type */
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+ Elf32_Half e_machine; /* machine */
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+ Elf32_Word e_version; /* object file version */
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+ Elf32_Addr e_entry; /* virtual entry point */
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+ Elf32_Off e_phoff; /* program header table offset */
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+ Elf32_Off e_shoff; /* section header table offset */
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+ Elf32_Word e_flags; /* processor-specific flags */
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+ Elf32_Half e_ehsize; /* ELF header size */
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+ Elf32_Half e_phentsize; /* program header entry size */
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+ Elf32_Half e_phnum; /* number of program header entries */
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+ Elf32_Half e_shentsize; /* section header entry size */
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+ Elf32_Half e_shnum; /* number of section header entries */
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+ Elf32_Half e_shstrndx; /* section header table's "section
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+ header string table" entry offset */
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} Elf32_Ehdr;
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/* Section Header */
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typedef struct
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{
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- Elf32_Word sh_name; /* name - index into section header
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- string table section */
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- Elf32_Word sh_type; /* type */
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- Elf32_Word sh_flags; /* flags */
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- Elf32_Addr sh_addr; /* address */
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- Elf32_Off sh_offset; /* file offset */
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- Elf32_Word sh_size; /* section size */
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- Elf32_Word sh_link; /* section header table index link */
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- Elf32_Word sh_info; /* extra information */
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- Elf32_Word sh_addralign; /* address alignment */
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- Elf32_Word sh_entsize; /* section entry size */
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+ Elf32_Word sh_name; /* name - index into section header
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+ string table section */
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+ Elf32_Word sh_type; /* type */
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+ Elf32_Word sh_flags; /* flags */
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+ Elf32_Addr sh_addr; /* address */
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+ Elf32_Off sh_offset; /* file offset */
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+ Elf32_Word sh_size; /* section size */
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+ Elf32_Word sh_link; /* section header table index link */
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+ Elf32_Word sh_info; /* extra information */
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+ Elf32_Word sh_addralign; /* address alignment */
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+ Elf32_Word sh_entsize; /* section entry size */
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} Elf32_Shdr;
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/* Section names */
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-#define ELF_BSS ".bss" /* uninitialized data */
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-#define ELF_DATA ".data" /* initialized data */
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-#define ELF_DEBUG ".debug" /* debug */
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-#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */
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-#define ELF_DYNSTR ".dynstr" /* dynamic string table */
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-#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */
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-#define ELF_FINI ".fini" /* termination code */
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-#define ELF_GOT ".got" /* global offset table */
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-#define ELF_HASH ".hash" /* symbol hash table */
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-#define ELF_INIT ".init" /* initialization code */
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-#define ELF_REL_DATA ".rel.data" /* relocation data */
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-#define ELF_REL_FINI ".rel.fini" /* relocation termination code */
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-#define ELF_REL_INIT ".rel.init" /* relocation initialization code */
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-#define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */
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-#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */
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-#define ELF_REL_TEXT ".rel.text" /* relocation code */
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-#define ELF_RODATA ".rodata" /* read-only data */
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-#define ELF_SHSTRTAB ".shstrtab" /* section header string table */
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-#define ELF_STRTAB ".strtab" /* string table */
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-#define ELF_SYMTAB ".symtab" /* symbol table */
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-#define ELF_TEXT ".text" /* code */
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-#define ELF_RTMSYMTAB "RTMSymTab"
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+#define ELF_BSS ".bss" /* uninitialized data */
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+#define ELF_DATA ".data" /* initialized data */
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+#define ELF_DEBUG ".debug" /* debug */
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+#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */
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+#define ELF_DYNSTR ".dynstr" /* dynamic string table */
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+#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */
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+#define ELF_FINI ".fini" /* termination code */
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+#define ELF_GOT ".got" /* global offset table */
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+#define ELF_HASH ".hash" /* symbol hash table */
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+#define ELF_INIT ".init" /* initialization code */
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+#define ELF_REL_DATA ".rel.data" /* relocation data */
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+#define ELF_REL_FINI ".rel.fini" /* relocation termination code */
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+#define ELF_REL_INIT ".rel.init" /* relocation initialization code */
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+#define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */
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+#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */
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+#define ELF_REL_TEXT ".rel.text" /* relocation code */
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+#define ELF_RODATA ".rodata" /* read-only data */
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+#define ELF_SHSTRTAB ".shstrtab" /* section header string table */
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+#define ELF_STRTAB ".strtab" /* string table */
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+#define ELF_SYMTAB ".symtab" /* symbol table */
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+#define ELF_TEXT ".text" /* code */
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+#define ELF_RTMSYMTAB "RTMSymTab"
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/* Symbol Table Entry */
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typedef struct elf32_sym
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{
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- Elf32_Word st_name; /* name - index into string table */
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- Elf32_Addr st_value; /* symbol value */
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- Elf32_Word st_size; /* symbol size */
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- unsigned char st_info; /* type and binding */
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- unsigned char st_other; /* 0 - no defined meaning */
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- Elf32_Half st_shndx; /* section header index */
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+ Elf32_Word st_name; /* name - index into string table */
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+ Elf32_Addr st_value; /* symbol value */
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+ Elf32_Word st_size; /* symbol size */
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+ unsigned char st_info; /* type and binding */
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+ unsigned char st_other; /* 0 - no defined meaning */
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+ Elf32_Half st_shndx; /* section header index */
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} Elf32_Sym;
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-#define STB_LOCAL 0 /* BIND */
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-#define STB_GLOBAL 1
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-#define STB_WEAK 2
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-#define STB_NUM 3
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+#define STB_LOCAL 0 /* BIND */
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+#define STB_GLOBAL 1
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+#define STB_WEAK 2
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+#define STB_NUM 3
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-#define STB_LOPROC 13 /* processor specific range */
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-#define STB_HIPROC 15
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-
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-#define STT_NOTYPE 0 /* symbol type is unspecified */
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-#define STT_OBJECT 1 /* data object */
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-#define STT_FUNC 2 /* code object */
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-#define STT_SECTION 3 /* symbol identifies an ELF section */
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-#define STT_FILE 4 /* symbol's name is file name */
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-#define STT_COMMON 5 /* common data object */
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-#define STT_TLS 6 /* thread-local data object */
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-#define STT_NUM 7 /* # defined types in generic range */
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-#define STT_LOOS 10 /* OS specific range */
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-#define STT_HIOS 12
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-#define STT_LOPROC 13 /* processor specific range */
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-#define STT_HIPROC 15
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+#define STB_LOPROC 13 /* processor specific range */
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+#define STB_HIPROC 15
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+
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+#define STT_NOTYPE 0 /* symbol type is unspecified */
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+#define STT_OBJECT 1 /* data object */
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+#define STT_FUNC 2 /* code object */
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+#define STT_SECTION 3 /* symbol identifies an ELF section */
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+#define STT_FILE 4 /* symbol's name is file name */
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+#define STT_COMMON 5 /* common data object */
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+#define STT_TLS 6 /* thread-local data object */
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+#define STT_NUM 7 /* # defined types in generic range */
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+#define STT_LOOS 10 /* OS specific range */
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+#define STT_HIOS 12
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+#define STT_LOPROC 13 /* processor specific range */
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+#define STT_HIPROC 15
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-#define STN_UNDEF 0 /* undefined */
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+#define STN_UNDEF 0 /* undefined */
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-#define ELF_ST_BIND(info) ((info) >> 4)
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-#define ELF_ST_TYPE(info) ((info) & 0xf)
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-#define ELF_ST_INFO(bind, type) (((bind)<<4)+((type)&0xf))
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+#define ELF_ST_BIND(info) ((info) >> 4)
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+#define ELF_ST_TYPE(info) ((info) & 0xf)
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+#define ELF_ST_INFO(bind, type) (((bind)<<4)+((type)&0xf))
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/* Relocation entry with implicit addend */
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typedef struct
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{
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- Elf32_Addr r_offset; /* offset of relocation */
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- Elf32_Word r_info; /* symbol table index and type */
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+ Elf32_Addr r_offset; /* offset of relocation */
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+ Elf32_Word r_info; /* symbol table index and type */
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} Elf32_Rel;
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/* Relocation entry with explicit addend */
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typedef struct
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{
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- Elf32_Addr r_offset; /* offset of relocation */
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- Elf32_Word r_info; /* symbol table index and type */
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+ Elf32_Addr r_offset; /* offset of relocation */
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+ Elf32_Word r_info; /* symbol table index and type */
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Elf32_Sword r_addend;
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} Elf32_Rela;
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/* Extract relocation info - r_info */
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-#define ELF32_R_SYM(i) ((i) >> 8)
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-#define ELF32_R_TYPE(i) ((unsigned char) (i))
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-#define ELF32_R_INFO(s,t) (((s) << 8) + (unsigned char)(t))
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+#define ELF32_R_SYM(i) ((i) >> 8)
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+#define ELF32_R_TYPE(i) ((unsigned char) (i))
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+#define ELF32_R_INFO(s,t) (((s) << 8) + (unsigned char)(t))
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/*
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* Relocation type for arm
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*/
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-#define R_ARM_NONE 0
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-#define R_ARM_PC24 1
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-#define R_ARM_ABS32 2
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-#define R_ARM_REL32 3
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-#define R_ARM_THM_CALL 10
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-#define R_ARM_GLOB_DAT 21
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-#define R_ARM_JUMP_SLOT 22
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-#define R_ARM_RELATIVE 23
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-#define R_ARM_GOT_BREL 26
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-#define R_ARM_PLT32 27
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-#define R_ARM_CALL 28
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-#define R_ARM_JUMP24 29
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-#define R_ARM_THM_JUMP24 30
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-#define R_ARM_V4BX 40
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+#define R_ARM_NONE 0
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+#define R_ARM_PC24 1
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+#define R_ARM_ABS32 2
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+#define R_ARM_REL32 3
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+#define R_ARM_THM_CALL 10
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+#define R_ARM_GLOB_DAT 21
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+#define R_ARM_JUMP_SLOT 22
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+#define R_ARM_RELATIVE 23
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+#define R_ARM_GOT_BREL 26
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+#define R_ARM_PLT32 27
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+#define R_ARM_CALL 28
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+#define R_ARM_JUMP24 29
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+#define R_ARM_THM_JUMP24 30
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+#define R_ARM_V4BX 40
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/* Program Header */
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typedef struct
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{
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- Elf32_Word p_type; /* segment type */
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- Elf32_Off p_offset; /* segment offset */
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- Elf32_Addr p_vaddr; /* virtual address of segment */
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- Elf32_Addr p_paddr; /* physical address - ignored? */
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- Elf32_Word p_filesz; /* number of bytes in file for seg. */
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- Elf32_Word p_memsz; /* number of bytes in mem. for seg. */
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- Elf32_Word p_flags; /* flags */
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- Elf32_Word p_align; /* memory alignment */
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+ Elf32_Word p_type; /* segment type */
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+ Elf32_Off p_offset; /* segment offset */
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+ Elf32_Addr p_vaddr; /* virtual address of segment */
|
|
|
+ Elf32_Addr p_paddr; /* physical address - ignored? */
|
|
|
+ Elf32_Word p_filesz; /* number of bytes in file for seg. */
|
|
|
+ Elf32_Word p_memsz; /* number of bytes in mem. for seg. */
|
|
|
+ Elf32_Word p_flags; /* flags */
|
|
|
+ Elf32_Word p_align; /* memory alignment */
|
|
|
} Elf32_Phdr;
|
|
|
|
|
|
/* p_type */
|
|
|
-#define PT_LOAD 1
|
|
|
+#define PT_LOAD 1
|
|
|
|
|
|
/* p_flags */
|
|
|
-#define PF_X 1
|
|
|
-#define PF_W 2
|
|
|
-#define PF_R 4
|
|
|
+#define PF_X 1
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|
|
+#define PF_W 2
|
|
|
+#define PF_R 4
|
|
|
|
|
|
/* sh_type */
|
|
|
-#define SHT_NULL 0 /* inactive */
|
|
|
-#define SHT_PROGBITS 1 /* program defined information */
|
|
|
-#define SHT_SYMTAB 2 /* symbol table section */
|
|
|
-#define SHT_STRTAB 3 /* string table section */
|
|
|
-#define SHT_RELA 4 /* relocation section with addends*/
|
|
|
-#define SHT_HASH 5 /* symbol hash table section */
|
|
|
-#define SHT_DYNAMIC 6 /* dynamic section */
|
|
|
-#define SHT_NOTE 7 /* note section */
|
|
|
-#define SHT_NOBITS 8 /* no space section */
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|
|
-#define SHT_REL 9 /* relation section without addends */
|
|
|
-#define SHT_SHLIB 10 /* reserved - purpose unknown */
|
|
|
-#define SHT_DYNSYM 11 /* dynamic symbol table section */
|
|
|
-#define SHT_NUM 12 /* number of section types */
|
|
|
-#define SHT_LOPROC 0x70000000 /* reserved range for processor */
|
|
|
-#define SHT_HIPROC 0x7fffffff /* specific section header types */
|
|
|
-#define SHT_LOUSER 0x80000000 /* reserved range for application */
|
|
|
-#define SHT_HIUSER 0xffffffff /* specific indexes */
|
|
|
+#define SHT_NULL 0 /* inactive */
|
|
|
+#define SHT_PROGBITS 1 /* program defined information */
|
|
|
+#define SHT_SYMTAB 2 /* symbol table section */
|
|
|
+#define SHT_STRTAB 3 /* string table section */
|
|
|
+#define SHT_RELA 4 /* relocation section with addends*/
|
|
|
+#define SHT_HASH 5 /* symbol hash table section */
|
|
|
+#define SHT_DYNAMIC 6 /* dynamic section */
|
|
|
+#define SHT_NOTE 7 /* note section */
|
|
|
+#define SHT_NOBITS 8 /* no space section */
|
|
|
+#define SHT_REL 9 /* relation section without addends */
|
|
|
+#define SHT_SHLIB 10 /* reserved - purpose unknown */
|
|
|
+#define SHT_DYNSYM 11 /* dynamic symbol table section */
|
|
|
+#define SHT_NUM 12 /* number of section types */
|
|
|
+#define SHT_LOPROC 0x70000000 /* reserved range for processor */
|
|
|
+#define SHT_HIPROC 0x7fffffff /* specific section header types */
|
|
|
+#define SHT_LOUSER 0x80000000 /* reserved range for application */
|
|
|
+#define SHT_HIUSER 0xffffffff /* specific indexes */
|
|
|
|
|
|
/* Section Attribute Flags - sh_flags */
|
|
|
-#define SHF_WRITE 0x1 /* Writable */
|
|
|
-#define SHF_ALLOC 0x2 /* occupies memory */
|
|
|
-#define SHF_EXECINSTR 0x4 /* executable */
|
|
|
-#define SHF_MASKPROC 0xf0000000 /* reserved bits for processor */
|
|
|
+#define SHF_WRITE 0x1 /* Writable */
|
|
|
+#define SHF_ALLOC 0x2 /* occupies memory */
|
|
|
+#define SHF_EXECINSTR 0x4 /* executable */
|
|
|
+#define SHF_MASKPROC 0xf0000000 /* reserved bits for processor */
|
|
|
/* specific section attributes */
|
|
|
|
|
|
#endif
|
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