1c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifndef _LINUX_ELF_H 2c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define _LINUX_ELF_H 3c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 4c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/types.h> 5c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/auxvec.h> 6c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <linux/elf-em.h> 7c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#include <asm/elf.h> 8c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 9c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifndef elf_read_implies_exec 10c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru /* Executables for which elf_read_implies_exec() returns TRUE will 11c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru have the READ_IMPLIES_EXEC personality flag set automatically. 12c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Override in asm/elf.h as needed. */ 13c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru# define elf_read_implies_exec(ex, have_pt_gnu_stack) 0 14c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif 15c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 16c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 32-bit ELF base types. */ 17c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __u32 Elf32_Addr; 18c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __u16 Elf32_Half; 19c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __u32 Elf32_Off; 20c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __s32 Elf32_Sword; 21c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __u32 Elf32_Word; 22c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 23c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* 64-bit ELF base types. */ 24c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __u64 Elf64_Addr; 25c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __u16 Elf64_Half; 26c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __s16 Elf64_SHalf; 27c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __u64 Elf64_Off; 28c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __s32 Elf64_Sword; 29c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __u32 Elf64_Word; 30c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __u64 Elf64_Xword; 31c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef __s64 Elf64_Sxword; 32c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 33c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* These constants are for the segment types stored in the image headers */ 34c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_NULL 0 35c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_LOAD 1 36c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_DYNAMIC 2 37c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_INTERP 3 38c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_NOTE 4 39c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_SHLIB 5 40c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_PHDR 6 41c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_TLS 7 /* Thread local storage segment */ 42c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_LOOS 0x60000000 /* OS-specific */ 43c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_HIOS 0x6fffffff /* OS-specific */ 44c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_LOPROC 0x70000000 45c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_HIPROC 0x7fffffff 46c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_GNU_EH_FRAME 0x6474e550 47c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 48c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PT_GNU_STACK (PT_LOOS + 0x474e551) 49c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 50c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* These constants define the different elf file types */ 51c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ET_NONE 0 52c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ET_REL 1 53c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ET_EXEC 2 54c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ET_DYN 3 55c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ET_CORE 4 56c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ET_LOPROC 0xff00 57c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ET_HIPROC 0xffff 58c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 59c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* This is the info that is needed to parse the dynamic section of the file */ 60c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_NULL 0 61c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_NEEDED 1 62c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_PLTRELSZ 2 63c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_PLTGOT 3 64c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_HASH 4 65c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_STRTAB 5 66c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_SYMTAB 6 67c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_RELA 7 68c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_RELASZ 8 69c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_RELAENT 9 70c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_STRSZ 10 71c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_SYMENT 11 72c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_INIT 12 73c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_FINI 13 74c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_SONAME 14 75c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_RPATH 15 76c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_SYMBOLIC 16 77c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_REL 17 78c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_RELSZ 18 79c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_RELENT 19 80c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_PLTREL 20 81c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_DEBUG 21 82c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_TEXTREL 22 83c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_JMPREL 23 84c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_LOPROC 0x70000000 85c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define DT_HIPROC 0x7fffffff 86c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 87c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* This info is needed when parsing the symbol table */ 88c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define STB_LOCAL 0 89c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define STB_GLOBAL 1 90c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define STB_WEAK 2 91c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 92c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define STT_NOTYPE 0 93c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define STT_OBJECT 1 94c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define STT_FUNC 2 95c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define STT_SECTION 3 96c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define STT_FILE 4 97c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define STT_COMMON 5 98c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define STT_TLS 6 99c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 100c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF_ST_BIND(x) ((x) >> 4) 101c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf) 102c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF32_ST_BIND(x) ELF_ST_BIND(x) 103c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF32_ST_TYPE(x) ELF_ST_TYPE(x) 104c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF64_ST_BIND(x) ELF_ST_BIND(x) 105c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF64_ST_TYPE(x) ELF_ST_TYPE(x) 106c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 107c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct dynamic{ 108c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Sword d_tag; 109c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru union{ 110c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Sword d_val; 111c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Addr d_ptr; 112c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru } d_un; 113c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf32_Dyn; 114c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 115c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct { 116c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Sxword d_tag; /* entry tag value */ 117c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru union { 118c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword d_val; 119c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Addr d_ptr; 120c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru } d_un; 121c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf64_Dyn; 122c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 123c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* The following are used with relocations */ 124c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF32_R_SYM(x) ((x) >> 8) 125c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF32_R_TYPE(x) ((x) & 0xff) 126c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 127c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF64_R_SYM(i) ((i) >> 32) 128c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF64_R_TYPE(i) ((i) & 0xffffffff) 129c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 130c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf32_rel { 131c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Addr r_offset; 132c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word r_info; 133c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf32_Rel; 134c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 135c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf64_rel { 136c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Addr r_offset; /* Location at which to apply the action */ 137c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword r_info; /* index and type of relocation */ 138c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf64_Rel; 139c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 140c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf32_rela{ 141c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Addr r_offset; 142c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word r_info; 143c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Sword r_addend; 144c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf32_Rela; 145c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 146c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf64_rela { 147c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Addr r_offset; /* Location at which to apply the action */ 148c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword r_info; /* index and type of relocation */ 149c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Sxword r_addend; /* Constant addend used to compute value */ 150c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf64_Rela; 151c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 152c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf32_sym{ 153c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word st_name; 154c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Addr st_value; 155c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word st_size; 156c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned char st_info; 157c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned char st_other; 158c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Half st_shndx; 159c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf32_Sym; 160c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 161c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf64_sym { 162c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word st_name; /* Symbol name, index in string tbl */ 163c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned char st_info; /* Type and binding attributes */ 164c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned char st_other; /* No defined meaning, 0 */ 165c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Half st_shndx; /* Associated section index */ 166c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Addr st_value; /* Value of the symbol */ 167c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword st_size; /* Associated symbol size */ 168c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf64_Sym; 169c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 170c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 171c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EI_NIDENT 16 172c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 173c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf32_hdr{ 174c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned char e_ident[EI_NIDENT]; 175c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Half e_type; 176c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Half e_machine; 177c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word e_version; 178c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Addr e_entry; /* Entry point */ 179c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Off e_phoff; 180c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Off e_shoff; 181c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word e_flags; 182c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Half e_ehsize; 183c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Half e_phentsize; 184c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Half e_phnum; 185c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Half e_shentsize; 186c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Half e_shnum; 187c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Half e_shstrndx; 188c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf32_Ehdr; 189c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 190c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf64_hdr { 191c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru unsigned char e_ident[16]; /* ELF "magic number" */ 192c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Half e_type; 193c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Half e_machine; 194c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word e_version; 195c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Addr e_entry; /* Entry point virtual address */ 196c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Off e_phoff; /* Program header table file offset */ 197c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Off e_shoff; /* Section header table file offset */ 198c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word e_flags; 199c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Half e_ehsize; 200c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Half e_phentsize; 201c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Half e_phnum; 202c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Half e_shentsize; 203c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Half e_shnum; 204c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Half e_shstrndx; 205c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf64_Ehdr; 206c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 207c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* These constants define the permissions on sections in the program 208c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru header, p_flags. */ 209c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PF_R 0x4 210c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PF_W 0x2 211c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define PF_X 0x1 212c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 213c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf32_phdr{ 214c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word p_type; 215c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Off p_offset; 216c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Addr p_vaddr; 217c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Addr p_paddr; 218c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word p_filesz; 219c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word p_memsz; 220c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word p_flags; 221c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word p_align; 222c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf32_Phdr; 223c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 224c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf64_phdr { 225c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word p_type; 226c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word p_flags; 227c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Off p_offset; /* Segment file offset */ 228c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Addr p_vaddr; /* Segment virtual address */ 229c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Addr p_paddr; /* Segment physical address */ 230c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword p_filesz; /* Segment size in file */ 231c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword p_memsz; /* Segment size in memory */ 232c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword p_align; /* Segment alignment, file & memory */ 233c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf64_Phdr; 234c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 235c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* sh_type */ 236c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_NULL 0 237c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_PROGBITS 1 238c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_SYMTAB 2 239c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_STRTAB 3 240c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_RELA 4 241c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_HASH 5 242c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_DYNAMIC 6 243c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_NOTE 7 244c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_NOBITS 8 245c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_REL 9 246c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_SHLIB 10 247c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_DYNSYM 11 248c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_NUM 12 249c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_LOPROC 0x70000000 250c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_HIPROC 0x7fffffff 251c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_LOUSER 0x80000000 252c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHT_HIUSER 0xffffffff 253c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 254c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* sh_flags */ 255c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHF_WRITE 0x1 256c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHF_ALLOC 0x2 257c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHF_EXECINSTR 0x4 258c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHF_MASKPROC 0xf0000000 259c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 260c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* special section indexes */ 261c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHN_UNDEF 0 262c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHN_LORESERVE 0xff00 263c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHN_LOPROC 0xff00 264c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHN_HIPROC 0xff1f 265c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHN_ABS 0xfff1 266c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHN_COMMON 0xfff2 267c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SHN_HIRESERVE 0xffff 268c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 269c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct { 270c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word sh_name; 271c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word sh_type; 272c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word sh_flags; 273c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Addr sh_addr; 274c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Off sh_offset; 275c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word sh_size; 276c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word sh_link; 277c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word sh_info; 278c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word sh_addralign; 279c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word sh_entsize; 280c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf32_Shdr; 281c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 282c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf64_shdr { 283c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word sh_name; /* Section name, index in string tbl */ 284c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word sh_type; /* Type of section */ 285c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword sh_flags; /* Miscellaneous section attributes */ 286c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Addr sh_addr; /* Section virtual addr at execution */ 287c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Off sh_offset; /* Section file offset */ 288c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword sh_size; /* Size of section in bytes */ 289c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word sh_link; /* Index of another section */ 290c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word sh_info; /* Additional section information */ 291c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword sh_addralign; /* Section alignment */ 292c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Xword sh_entsize; /* Entry size if section holds table */ 293c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf64_Shdr; 294c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 295c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EI_MAG0 0 /* e_ident[] indexes */ 296c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EI_MAG1 1 297c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EI_MAG2 2 298c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EI_MAG3 3 299c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EI_CLASS 4 300c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EI_DATA 5 301c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EI_VERSION 6 302c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EI_OSABI 7 303c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EI_PAD 8 304c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 305c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFMAG0 0x7f /* EI_MAG */ 306c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFMAG1 'E' 307c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFMAG2 'L' 308c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFMAG3 'F' 309c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFMAG "\177ELF" 310c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define SELFMAG 4 311c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 312c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFCLASSNONE 0 /* EI_CLASS */ 313c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFCLASS32 1 314c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFCLASS64 2 315c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFCLASSNUM 3 316c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 317c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFDATANONE 0 /* e_ident[EI_DATA] */ 318c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFDATA2LSB 1 319c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFDATA2MSB 2 320c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 321c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EV_NONE 0 /* e_version, EI_VERSION */ 322c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EV_CURRENT 1 323c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define EV_NUM 2 324c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 325c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFOSABI_NONE 0 326c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELFOSABI_LINUX 3 327c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 328c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#ifndef ELF_OSABI 329c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define ELF_OSABI ELFOSABI_NONE 330c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif 331c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 332c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* Notes used in ET_CORE */ 333c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NT_PRSTATUS 1 334c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NT_PRFPREG 2 335c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NT_PRPSINFO 3 336c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NT_TASKSTRUCT 4 337c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NT_AUXV 6 338c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */ 339c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 340c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 341c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* Note header in a PT_NOTE section */ 342c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf32_note { 343c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word n_namesz; /* Name size */ 344c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word n_descsz; /* Content size */ 345c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf32_Word n_type; /* Content type */ 346c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf32_Nhdr; 347c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 348c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru/* Note header in a PT_NOTE section */ 349c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Querutypedef struct elf64_note { 350c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word n_namesz; /* Name size */ 351c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word n_descsz; /* Content size */ 352c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru Elf64_Word n_type; /* Content type */ 353c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru} Elf64_Nhdr; 354c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 355c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#if ELF_CLASS == ELFCLASS32 356c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 357c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruextern Elf32_Dyn _DYNAMIC []; 358c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define elfhdr elf32_hdr 359c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define elf_phdr elf32_phdr 360c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define elf_note elf32_note 361c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 362c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#else 363c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 364c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queruextern Elf64_Dyn _DYNAMIC []; 365c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define elfhdr elf64_hdr 366c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define elf_phdr elf64_phdr 367c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#define elf_note elf64_note 368c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 369c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif 370c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 371c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru 372c559cd81139f97cecad1ad91a0b2e25a5936d53Jean-Baptiste Queru#endif /* _LINUX_ELF_H */ 373