elf.h

原创作品

/* This file defines standard ELF types, structures, and macros.
   Copyright (C) 1995-1999, 2000, 2001, 2002, 2003, 2004
   Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; 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 "features.h"

/* Standard ELF types.  */

//hegs-#include <stdint.h>

typedef unsigned short  uint16_t;
typedef unsigned long  uint32_t;
typedef short  int16_t;
typedef long  int32_t;
typedef long long int64_t;
typedef unsigned long long uint64_t;

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 for version symbol information.  */
typedef Elf32_Half Elf32_Versym;
typedef Elf64_Half Elf64_Versym;


/* 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;

typedef struct
{
  unsigned char	e_ident[EI_NIDENT];	/* Magic number and other info */
  Elf64_Half	e_type;			/* Object file type */
  Elf64_Half	e_machine;		/* Architecture */
  Elf64_Word	e_version;		/* Object file version */
  Elf64_Addr	e_entry;		/* Entry point virtual address */
  Elf64_Off	e_phoff;		/* Program header table file offset */
  Elf64_Off	e_shoff;		/* Section header table file offset */
  Elf64_Word	e_flags;		/* Processor-specific flags */
  Elf64_Half	e_ehsize;		/* ELF header size in bytes */
  Elf64_Half	e_phentsize;		/* Program header table entry size */
  Elf64_Half	e_phnum;		/* Program header table entry count */
  Elf64_Half	e_shentsize;		/* Section header table entry size */
  Elf64_Half	e_shnum;		/* Section header table entry count */
  Elf64_Half	e_shstrndx;		/* Section header string table index */
} Elf64_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_NONE		0	/* UNIX System V ABI */
#define ELFOSABI_SYSV		0	/* Alias.  */
#define ELFOSABI_HPUX		1	/* HP-UX */
#define ELFOSABI_NETBSD		2	/* NetBSD.  */
#define ELFOSABI_LINUX		3	/* Linux.  */
#define ELFOSABI_SOLARIS	6	/* Sun Solaris.  */
#define ELFOSABI_AIX		7	/* IBM AIX.  */
#define ELFOSABI_IRIX		8	/* SGI Irix.  */
#define ELFOSABI_FREEBSD	9	/* FreeBSD.  */
#define ELFOSABI_TRU64		10	/* Compaq TRU64 UNIX.  */
#define ELFOSABI_MODESTO	11	/* Novell Modesto.  */
#define ELFOSABI_OPENBSD	12	/* OpenBSD.  */
#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_LOOS		0xfe00		/* OS-specific range start */
#define ET_HIOS		0xfeff		/* OS-specific range end */
#define ET_LOPROC	0xff00		/* Processor-specific range start */
#define ET_HIPROC	0xffff		/* Processor-specific range end */

/* 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_860		 7		/* Intel 80860 */
#define EM_MIPS		 8		/* MIPS R3000 big-endian */
#define EM_S370		 9		/* IBM System/370 */
#define EM_MIPS_RS3_LE	10		/* MIPS R3000 little-endian */

#define EM_PARISC	15		/* HPPA */
#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_PPC64	21		/* PowerPC 64-bit */
#define EM_S390		22		/* IBM S390 */

#define EM_V800		36		/* NEC V800 series */
#define EM_FR20		37		/* Fujitsu FR20 */
#define EM_RH32		38		/* TRW RH-32 */
#define EM_RCE		39		/* Motorola RCE */
#define EM_ARM		40		/* ARM */
#define EM_FAKE_ALPHA	41		/* Digital Alpha */
#define EM_SH		42		/* Renesas 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		/* Renesas H8/300 */
#define EM_H8_300H	47		/* Renesas H8/300H */
#define EM_H8S		48		/* Renesas H8S */
#define EM_H8_500	49		/* Renesas 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_MMA		54		/* Fujitsu MMA Multimedia Accelerator*/
#define EM_PCP		55		/* Siemens PCP */
#define EM_NCPU		56		/* Sony nCPU embeeded RISC */
#define EM_NDR1		57		/* Denso NDR1 microprocessor */
#define EM_STARCORE	58		/* Motorola Start*Core processor */
#define EM_ME16		59		/* Toyota ME16 processor */
#define EM_ST100	60		/* STMicroelectronic ST100 processor */
#define EM_TINYJ	61		/* Advanced Logic Corp. Tinyj emb.fam*/
#define EM_X86_64	62		/* AMD x86-64 architecture */
#define EM_PDSP		63		/* Sony DSP Processor */

#define EM_FX66		66		/* Siemens FX66 microcontroller */
#define EM_ST9PLUS	67		/* STMicroelectronics ST9+ 8/16 mc */
#define EM_ST7		68		/* STmicroelectronics ST7 8 bit mc */
#define EM_68HC16	69		/* Motorola MC68HC16 microcontroller */
#define EM_68HC11	70		/* Motorola MC68HC11 microcontroller */
#define EM_68HC08	71		/* Motorola MC68HC08 microcontroller */
#define EM_68HC05	72		/* Motorola MC68HC05 microcontroller */
#define EM_SVX		73		/* Silicon Graphics SVx */
#define EM_AT19		74		/* STMicroelectronics ST19 8 bit mc */
#define EM_VAX		75		/* Digital VAX */
#define EM_CRIS		76		/* Axis Communications 32-bit embedded processor */
#define EM_JAVELIN	77		/* Infineon Technologies 32-bit embedded processor */
#define EM_FIREPATH	78		/* Element 14 64-bit DSP Processor */
#define EM_ZSP		79		/* LSI Logic 16-bit DSP Processor */
#define EM_MMIX		80		/* Donald Knuth's educational 64-bit processor */
#define EM_HUANY	81		/* Harvard University machine-independent object files */
#define EM_PRISM	82		/* SiTera Prism */
#define EM_AVR		83		/* Atmel AVR 8-bit microcontroller */
#define EM_FR30		84		/* Fujitsu FR30 */
#define EM_D10V		85		/* Mitsubishi D10V */
#define EM_D30V		86		/* Mitsubishi D30V */
#define EM_V850		87		/* NEC v850 */
#define EM_M32R		88		/* Renesas M32R */
#define EM_MN10300	89		/* Matsushita MN10300 */
#define EM_MN10200	90		/* Matsushita MN10200 */
#define EM_PJ		91		/* picoJava */
#define EM_OPENRISC	92		/* OpenRISC 32-bit embedded processor */
#define EM_ARC_A5	93		/* ARC Cores Tangent-A5 */
#define EM_XTENSA	94		/* Tensilica Xtensa Architecture */
#define EM_NUM		95

/* 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.  */

/* Fujitsu FR-V.  */
#define EM_CYGNUS_FRV	0x5441

#define EM_ALPHA	0x9026
#define EM_NIOS32	0xfebb		/* Altera Nios 32 */
#define EM_ALTERA_NIOS2  0x9ee5	/* Altera Nios II */

/* V850 backend magic number.  Written in the absense of an ABI.  */
#define EM_CYGNUS_V850 0x9080


/* 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;

typedef struct
{
  Elf64_Word	sh_name;		/* Section name (string tbl index) */
  Elf64_Word	sh_type;		/* Section type */
  Elf64_Xword	sh_flags;		/* Section flags */
  Elf64_Addr	sh_addr;		/* Section virtual addr at execution */
  Elf64_Off	sh_offset;		/* Section file offset */
  Elf64_Xword	sh_size;		/* Section size in bytes */
  Elf64_Word	sh_link;		/* Link to another section */
  Elf64_Word	sh_info;		/* Additional section information */
  Elf64_Xword	sh_addralign;		/* Section alignment */
  Elf64_Xword	sh_entsize;		/* Entry size if section holds table */
} Elf64_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_LOOS	0xff20		/* Start of OS-specific */
#define SHN_HIOS	0xff3f		/* End of OS-specific */
#define SHN_ABS		0xfff1		/* Associated symbol is absolute */
#define SHN_COMMON	0xfff2		/* Associated symbol is common */
#define SHN_XINDEX	0xffff		/* Index is in extra table.  */
#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 */