/* 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#ifndef WIN32#include <inttypes.h>#else#ifndef __int8_t_defined#define __int8_t_definedtypedef	char int8_t;typedef	short int int16_t;typedef	int int32_t;typedef long long int int64_t;#endiftypedef unsigned char		uint8_t;typedef unsigned short int	uint16_t;typedef unsigned int		uint32_t;typedef unsigned long long int	uint64_t;#endif/* 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;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_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;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_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 *//* Symbol table entry.  */typedef struct{  Elf32_Word	st_name;		/* Symbol name (string tbl index) */  Elf32_Addr	st_value;		/* Symbol value */  Elf32_Word	st_size;		/* Symbol size */  unsigned char	st_info;		/* Symbol type and binding */  unsigned char	st_other;		/* No defined meaning, 0 */  Elf32_Section	st_shndx;		/* Section index */} Elf32_Sym;typedef struct{  Elf64_Word	st_name;		/* Symbol name (string tbl index) */  unsigned char	st_info;		/* Symbol type and binding */  unsigned char st_other;		/* No defined meaning, 0 */  Elf64_Section	st_shndx;		/* Section index */  Elf64_Addr	st_value;		/* Symbol value */  Elf64_Xword	st_size;		/* Symbol size */} Elf64_Sym;/* The syminfo section if available contains additional information about   every dynamic symbol.  */typedef struct{  Elf32_Half si_boundto;		/* Direct bindings, symbol bound to */  Elf32_Half si_flags;			/* Per symbol flags */} Elf32_Syminfo;typedef struct{  Elf64_Half si_boundto;		/* Direct bindings, symbol bound to */  Elf64_Half si_flags;			/* Per symbol flags */} Elf64_Syminfo;/* Possible values for si_boundto.  */#define SYMINFO_BT_SELF		0xffff	/* Symbol bound to self */#define SYMINFO_BT_PARENT	0xfffe	/* Symbol bound to parent */#define SYMINFO_BT_LOWRESERVE	0xff00	/* Beginning of reserved entries *//* Possible bitmasks for si_flags.  */#define SYMINFO_FLG_DIRECT	0x0001	/* Direct bound symbol */#define SYMINFO_FLG_PASSTHRU	0x0002	/* Pass-thru symbol for translator */#define SYMINFO_FLG_COPY	0x0004	/* Symbol is a copy-reloc */#define SYMINFO_FLG_LAZYLOAD	0x0008	/* Symbol bound to object to be lazy					   loaded *//* Syminfo version values.  */#define SYMINFO_NONE		0#define SYMINFO_CURRENT		1#define SYMINFO_NUM		2/* Special section index.  */#define SHN_UNDEF	0		/* No section, undefined symbol.  *//* How to extract and insert information held in the st_info field.  */#define ELF32_ST_BIND(val)		(((unsigned char) (val)) >> 4)#define ELF32_ST_TYPE(val)		((val) & 0xf)#define ELF32_ST_INFO(bind, type)	(((bind) << 4) + ((type) & 0xf))/* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field.  */#define ELF64_ST_BIND(val)		ELF32_ST_BIND (val)#define ELF64_ST_TYPE(val)		ELF32_ST_TYPE (val)#define ELF64_ST_INFO(bind, type)	ELF32_ST_INFO ((bind), (type))/* Legal values for ST_BIND subfield of st_info (symbol binding).  */#define STB_LOCAL	0		/* Local symbol */#define STB_GLOBAL	1		/* Global symbol */#define STB_WEAK	2		/* Weak symbol */#define	STB_NUM		3		/* Number of defined types.  */#define STB_LOOS	10		/* Start of OS-specific */#define STB_HIOS	12		/* End of OS-specific */#define STB_LOPROC	13		/* Start of processor-specific */#define STB_HIPROC	15		/* End of processor-specific *//* Legal values for ST_TYPE subfield of st_info (symbol type).  */#define STT_NOTYPE	0		/* Symbol type is unspecified */#define STT_OBJECT	1		/* Symbol is a data object */#define STT_FUNC	2		/* Symbol is a code object */#define STT_SECTION	3		/* Symbol associated with a section */#define STT_FILE	4		/* Symbol's name is file name */#define	STT_NUM		5		/* Number of defined types.  */#define STT_LOOS	11		/* Start of OS-specific */#define STT_HIOS	12		/* End of OS-specific */#define STT_LOPROC	13		/* Start of processor-specific */#define STT_HIPROC	15		/* End of processor-specific *//* Symbol table indices are found in the hash buckets and chain table   of a symbol hash table section.  This special index value indicates   the end of a chain, meaning no further symbols are found in that bucket.  */