+++ /dev/null
-/* This file defines standard ELF types, structures, and macros.
- Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ian Lance Taylor <ian@cygnus.com>.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#ifndef _ELF_H
-#define _ELF_H 1
-
-#include <stdint.h>
-
-/* Standard ELF types. */
-
-/* Type for a 16-bit quantity. */
-typedef uint16_t Elf32_Half;
-typedef uint16_t Elf64_Half;
-
-/* Types for signed and unsigned 32-bit quantities. */
-typedef uint32_t Elf32_Word;
-typedef int32_t Elf32_Sword;
-typedef uint32_t Elf64_Word;
-typedef int32_t Elf64_Sword;
-
-/* Types for signed and unsigned 64-bit quantities. */
-typedef uint64_t Elf32_Xword;
-typedef int64_t Elf32_Sxword;
-typedef uint64_t Elf64_Xword;
-typedef int64_t Elf64_Sxword;
-
-/* Type of addresses. */
-typedef uint32_t Elf32_Addr;
-typedef uint64_t Elf64_Addr;
-
-/* Type of file offsets. */
-typedef uint32_t Elf32_Off;
-typedef uint64_t Elf64_Off;
-
-/* Type for section indices, which are 16-bit quantities. */
-typedef uint16_t Elf32_Section;
-typedef uint16_t Elf64_Section;
-
-/* Type of symbol indices. */
-typedef uint32_t Elf32_Symndx;
-typedef uint64_t Elf64_Symndx;
-
-
-/* The ELF file header. This appears at the start of every ELF file. */
-
-#define EI_NIDENT (16)
-
-typedef struct
-{
- unsigned char e_ident[EI_NIDENT]; /** Magic number and other info */
- Elf32_Half e_type; /** Object file type */
- Elf32_Half e_machine; /** Architecture */
- Elf32_Word e_version; /** Object file version */
- Elf32_Addr e_entry; /** Entry point virtual address */
- Elf32_Off e_phoff; /** Program header table file offset */
- Elf32_Off e_shoff; /** Section header table file offset */
- Elf32_Word e_flags; /** Processor-specific flags */
- Elf32_Half e_ehsize; /** ELF header size in bytes */
- Elf32_Half e_phentsize; /** Program header table entry size */
- Elf32_Half e_phnum; /** Program header table entry count */
- Elf32_Half e_shentsize; /** Section header table entry size */
- Elf32_Half e_shnum; /** Section header table entry count */
- Elf32_Half e_shstrndx; /** Section header string table index */
-} Elf32_Ehdr;
-
-/* Fields in the e_ident array. The EI_* macros are indices into the
- array. The macros under each EI_* macro are the values the byte
- may have. */
-
-#define EI_MAG0 0 /* File identification byte 0 index */
-#define ELFMAG0 0x7f /* Magic number byte 0 */
-
-#define EI_MAG1 1 /* File identification byte 1 index */
-#define ELFMAG1 'E' /* Magic number byte 1 */
-
-#define EI_MAG2 2 /* File identification byte 2 index */
-#define ELFMAG2 'L' /* Magic number byte 2 */
-
-#define EI_MAG3 3 /* File identification byte 3 index */
-#define ELFMAG3 'F' /* Magic number byte 3 */
-
-/* Conglomeration of the identification bytes, for easy testing as a word. */
-#define ELFMAG "\177ELF"
-#define SELFMAG 4
-
-#define EI_CLASS 4 /* File class byte index */
-#define ELFCLASSNONE 0 /* Invalid class */
-#define ELFCLASS32 1 /* 32-bit objects */
-#define ELFCLASS64 2 /* 64-bit objects */
-#define ELFCLASSNUM 3
-
-#define EI_DATA 5 /* Data encoding byte index */
-#define ELFDATANONE 0 /* Invalid data encoding */
-#define ELFDATA2LSB 1 /* 2's complement, little endian */
-#define ELFDATA2MSB 2 /* 2's complement, big endian */
-#define ELFDATANUM 3
-
-#define EI_VERSION 6 /* File version byte index */
- /* Value must be EV_CURRENT */
-
-#define EI_OSABI 7 /* OS ABI identification */
-#define ELFOSABI_SYSV 0 /* UNIX System V ABI */
-#define ELFOSABI_HPUX 1 /* HP-UX */
-#define ELFOSABI_FREEBSD 9 /* Free BSD */
-#define ELFOSABI_ARM 97 /* ARM */
-#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
-
-#define EI_ABIVERSION 8 /* ABI version */
-
-#define EI_PAD 9 /* Byte index of padding bytes */
-
-/* Legal values for e_type (object file type). */
-
-#define ET_NONE 0 /* No file type */
-#define ET_REL 1 /* Relocatable file */
-#define ET_EXEC 2 /* Executable file */
-#define ET_DYN 3 /* Shared object file */
-#define ET_CORE 4 /* Core file */
-#define ET_NUM 5 /* Number of defined types */
-#define ET_LOPROC 0xff00 /* Processor-specific */
-#define ET_HIPROC 0xffff /* Processor-specific */
-
-/* Legal values for e_machine (architecture). */
-
-#define EM_NONE 0 /* No machine */
-#define EM_M32 1 /* AT&T WE 32100 */
-#define EM_SPARC 2 /* SUN SPARC */
-#define EM_386 3 /* Intel 80386 */
-#define EM_68K 4 /* Motorola m68k family */
-#define EM_88K 5 /* Motorola m88k family */
-#define EM_486 6 /* Intel 80486 */
-#define EM_860 7 /* Intel 80860 */
-#define EM_MIPS 8 /* MIPS R3000 big-endian */
-#define EM_S370 9 /* Amdahl */
-#define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */
-#define EM_RS6000 11 /* RS6000 */
-
-#define EM_PARISC 15 /* HPPA */
-#define EM_nCUBE 16 /* nCUBE */
-#define EM_VPP500 17 /* Fujitsu VPP500 */
-#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
-#define EM_960 19 /* Intel 80960 */
-#define EM_PPC 20 /* PowerPC */
-
-#define EM_V800 36 /* NEC V800 series */
-#define EM_FR20 37 /* Fujitsu FR20 */
-#define EM_RH32 38 /* TRW RH32 */
-#define EM_MMA 39 /* Fujitsu MMA */
-#define EM_ARM 40 /* ARM */
-#define EM_FAKE_ALPHA 41 /* Digital Alpha */
-#define EM_SH 42 /* Hitachi SH */
-#define EM_SPARCV9 43 /* SPARC v9 64-bit */
-#define EM_TRICORE 44 /* Siemens Tricore */
-#define EM_ARC 45 /* Argonaut RISC Core */
-#define EM_H8_300 46 /* Hitachi H8/300 */
-#define EM_H8_300H 47 /* Hitachi H8/300H */
-#define EM_H8S 48 /* Hitachi H8S */
-#define EM_H8_500 49 /* Hitachi H8/500 */
-#define EM_IA_64 50 /* Intel Merced */
-#define EM_MIPS_X 51 /* Stanford MIPS-X */
-#define EM_COLDFIRE 52 /* Motorola Coldfire */
-#define EM_68HC12 53 /* Motorola M68HC12 */
-#define EM_NUM 54
-
-/* If it is necessary to assign new unofficial EM_* values, please
- pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
- chances of collision with official or non-GNU unofficial values. */
-
-#define EM_ALPHA 0x9026
-
-/* Legal values for e_version (version). */
-
-#define EV_NONE 0 /* Invalid ELF version */
-#define EV_CURRENT 1 /* Current version */
-#define EV_NUM 2
-
-/* Section header. */
-
-typedef struct
-{
- Elf32_Word sh_name; /** Section name (string tbl index) */
- Elf32_Word sh_type; /** Section type */
- Elf32_Word sh_flags; /** Section flags */
- Elf32_Addr sh_addr; /** Section virtual addr at execution */
- Elf32_Off sh_offset; /** Section file offset */
- Elf32_Word sh_size; /** Section size in bytes */
- Elf32_Word sh_link; /** Link to another section */
- Elf32_Word sh_info; /** Additional section information */
- Elf32_Word sh_addralign; /** Section alignment */
- Elf32_Word sh_entsize; /** Entry size if section holds table */
-} Elf32_Shdr;
-
-/* Special section indices. */
-
-#define SHN_UNDEF 0 /* Undefined section */
-#define SHN_LORESERVE 0xff00 /* Start of reserved indices */
-#define SHN_LOPROC 0xff00 /* Start of processor-specific */
-#define SHN_HIPROC 0xff1f /* End of processor-specific */
-#define SHN_ABS 0xfff1 /* Associated symbol is absolute */
-#define SHN_COMMON 0xfff2 /* Associated symbol is common */
-#define SHN_HIRESERVE 0xffff /* End of reserved indices */
-
-/* Legal values for sh_type (section type). */
-
-#define SHT_NULL 0 /* Section header table entry unused */
-#define SHT_PROGBITS 1 /* Program data */
-#define SHT_SYMTAB 2 /* Symbol table */
-#define SHT_STRTAB 3 /* String table */
-#define SHT_RELA 4 /* Relocation entries with addends */
-#define SHT_HASH 5 /* Symbol hash table */
-#define SHT_DYNAMIC 6 /* Dynamic linking information */
-#define SHT_NOTE 7 /* Notes */
-#define SHT_NOBITS 8 /* Program space with no data (bss) */
-#define SHT_REL 9 /* Relocation entries, no addends */
-#define SHT_SHLIB 10 /* Reserved */
-#define SHT_DYNSYM 11 /* Dynamic linker symbol table */
-#define SHT_NUM 12 /* Number of defined types. */
-#define SHT_LOOS 0x60000000 /* Start OS-specific */
-#define SHT_LOSUNW 0x6ffffffb /* Sun-specific low bound. */
-#define SHT_SUNW_COMDAT 0x6ffffffb
-#define SHT_SUNW_syminfo 0x6ffffffc
-#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */
-#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */
-#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */
-#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */
-#define SHT_HIOS 0x6fffffff /* End OS-specific type */
-#define SHT_LOPROC 0x70000000 /* Start of processor-specific */
-#define SHT_HIPROC 0x7fffffff /* End of processor-specific */
-#define SHT_LOUSER 0x80000000 /* Start of application-specific */
-#define SHT_HIUSER 0x8fffffff /* End of application-specific */
-
-/* Legal values for sh_flags (section flags). */
-
-#define SHF_WRITE (1 << 0) /* Writable */
-#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
-#define SHF_EXECINSTR (1 << 2) /* Executable */
-#define SHF_MASKPROC 0xf0000000 /* Processor-specific */
-
-/* --- Simplified ELF header --- */
-typedef struct simple_elf {
- const char * e_fname; /* filename of binary */
- unsigned long e_entry; /* entry point virtual address */
- unsigned long e_txtoff; /* offset of text segment in file */
- unsigned long e_txtlen; /* length of text segment in bytes */
- unsigned long e_txtstart; /* start of text segment virtual address */
- unsigned long e_datoff; /* offset of data segment in file */
- unsigned long e_datlen; /* length of data segment in bytes */
- unsigned long e_datstart; /* start of data segment in virtual memory */
- unsigned long e_rodatoff; /* offset of rodata segment in file */
- unsigned long e_rodatlen; /* length of rodata segment in bytes */
- unsigned long e_rodatstart; /* start of rodata segment in virtual memory*/
- unsigned long e_bsslen; /* length of bss segment in bytes */
-} simple_elf_t;
-
- /* --- Defines --- */
-#define NMAGIC 0410 /* 0x108 */
-#define N_MAGIC(exec) ((exec).a_midmag & 0xffff)
-#define N_BADMAG(x) (N_MAGIC(x) != NMAGIC)
-
-#define ELF_NOTELF -1
-#define ELF_SUCCESS 0
-#define NOT_PRESENT -2
-
-/*
- * elf function prototypes
- */
-extern int getbytes( const char *filename, int offset, int size, char *buf);
-extern int elf_load_helper( simple_elf_t *se_hdr, const char *fname );
-extern int elf_check_header( const char *fname );
-
-#endif /* elf.h */
git.joshuawise.com / netwatch.git / blobdiff