/* This file defines standard ELF types, structures, and macros.

   Copyright (C) 1995-2003,2004,2005,2006,2007 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

/* Standard ELF types.  */

#include <stdint.h>

/* 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 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		/* 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_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_ST19		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		/* Mitsubishi 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.  */

#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_BEFORE	0xff00		/* Order section before all others

					   (Solaris).  */

#define SHN_AFTER	0xff01		/* Order section after all others

					   (Solaris).  */

#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 */

#define SHT_INIT_ARRAY	  14		/* Array of constructors */

#define SHT_FINI_ARRAY	  15		/* Array of destructors */

#define SHT_PREINIT_ARRAY 16		/* Array of pre-constructors */

#define SHT_GROUP	  17		/* Section group */

#define SHT_SYMTAB_SHNDX  18		/* Extended section indeces */

#define	SHT_NUM		  19		/* Number of defined types.  */

#define SHT_LOOS	  0x60000000	/* Start OS-specific.  */

#define SHT_GNU_HASH	  0x6ffffff6	/* GNU-style hash table.  */

#define SHT_GNU_LIBLIST	  0x6ffffff7	/* Prelink library list */

#define SHT_CHECKSUM	  0x6ffffff8	/* Checksum for DSO content.  */

#define SHT_LOSUNW	  0x6ffffffa	/* Sun-specific low bound.  */

#define SHT_SUNW_move	  0x6ffffffa

#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_MERGE	     (1 << 4)	/* Might be merged */

#define SHF_STRINGS	     (1 << 5)	/* Contains nul-terminated strings */

#define SHF_INFO_LINK	     (1 << 6)	/* `sh_info' contains SHT index */

#define SHF_LINK_ORDER	     (1 << 7)	/* Preserve order after combining */

#define SHF_OS_NONCONFORMING (1 << 8)	/* Non-standard OS specific handling

					   required */

#define SHF_GROUP	     (1 << 9)	/* Section is member of a group.  */

#define SHF_TLS		     (1 << 10)	/* Section hold thread-local data.  */

#define SHF_MASKOS	     0x0ff00000	/* OS-specific.  */

#define SHF_MASKPROC	     0xf0000000	/* Processor-specific */

#define SHF_ORDERED	     (1 << 30)	/* Special ordering requirement

					   (Solaris).  */

#define SHF_EXCLUDE	     (1 << 31)	/* Section is excluded unless

					   referenced or allocated (Solaris).*/

/* Section group handling.  */

#define GRP_COMDAT	0x1		/* Mark group as COMDAT.  */

/* 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;		/* Symbol visibility */

  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;		/* Symbol visibility */

  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

/* 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_COMMON	5		/* Symbol is a common data object */

#define STT_TLS		6		/* Symbol is thread-local data object*/

#define	STT_NUM		7		/* Number of defined types.  */

#define STT_LOOS	10		/* 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.  */

#define STN_UNDEF	0		/* End of a chain.  */

/* How to extract and insert information held in the st_other field.  */

#define ELF32_ST_VISIBILITY(o)	((o) & 0x03)

/* For ELF64 the definitions are the same.  */

#define ELF64_ST_VISIBILITY(o)	ELF32_ST_VISIBILITY (o)

/* Symbol visibility specification encoded in the st_other field.  */

#define STV_DEFAULT	0		/* Default symbol visibility rules */

#define STV_INTERNAL	1		/* Processor specific hidden class */

#define STV_HIDDEN	2		/* Sym unavailable in other modules */

#define STV_PROTECTED	3		/* Not preemptible, not exported */

/* Relocation table entry without addend (in section of type SHT_REL).  */

typedef struct

{

  Elf32_Addr	r_offset;		/* Address */

  Elf32_Word	r_info;			/* Relocation type and symbol index */

} Elf32_Rel;

/* I have seen two different definitions of the Elf64_Rel and

   Elf64_Rela structures, so we'll leave them out until Novell (or

   whoever) gets their act together.  */

/* The following, at least, is used on Sparc v9, MIPS, and Alpha.  */

typedef struct

{

  Elf64_Addr	r_offset;		/* Address */

  Elf64_Xword	r_info;			/* Relocation type and symbol index */

} Elf64_Rel;

/* Relocation table entry with addend (in section of type SHT_RELA).  */

typedef struct

{

  Elf32_Addr	r_offset;		/* Address */

  Elf32_Word	r_info;			/* Relocation type and symbol index */

  Elf32_Sword	r_addend;		/* Addend */

} Elf32_Rela;

typedef struct

{

  Elf64_Addr	r_offset;		/* Address */

  Elf64_Xword	r_info;			/* Relocation type and symbol index */

  Elf64_Sxword	r_addend;		/* Addend */

} Elf64_Rela;

/* How to extract and insert information held in the r_info field.  */

#define ELF32_R_SYM(val)		((val) >> 8)

#define ELF32_R_TYPE(val)		((val) & 0xff)

#define ELF32_R_INFO(sym, type)		(((sym) << 8) + ((type) & 0xff))

#define ELF64_R_SYM(i)			((i) >> 32)

#define ELF64_R_TYPE(i)			((i) & 0xffffffff)

#define ELF64_R_INFO(sym,type)		((((Elf64_Xword) (sym)) << 32) + (type))

/* Program segment header.  */

typedef struct

{

  Elf32_Word	p_type;			/* Segment type */

  Elf32_Off	p_offset;		/* Segment file offset */

  Elf32_Addr	p_vaddr;		/* Segment virtual address */

  Elf32_Addr	p_paddr;		/* Segment physical address */

  Elf32_Word	p_filesz;		/* Segment size in file */

  Elf32_Word	p_memsz;		/* Segment size in memory */

  Elf32_Word	p_flags;		/* Segment flags */

  Elf32_Word	p_align;		/* Segment alignment */

} Elf32_Phdr;

typedef struct

{

  Elf64_Word	p_type;			/* Segment type */

  Elf64_Word	p_flags;		/* Segment flags */

  Elf64_Off	p_offset;		/* Segment file offset */

  Elf64_Addr	p_vaddr;		/* Segment virtual address */

  Elf64_Addr	p_paddr;		/* Segment physical address */

  Elf64_Xword	p_filesz;		/* Segment size in file */

  Elf64_Xword	p_memsz;		/* Segment size in memory */

  Elf64_Xword	p_align;		/* Segment alignment */

} Elf64_Phdr;

/* Legal values for p_type (segment type).  */

#define	PT_NULL		0		/* Program header table entry unused */

#define PT_LOAD		1		/* Loadable program segment */

#define PT_DYNAMIC	2		/* Dynamic linking information */

#define PT_INTERP	3		/* Program interpreter */

#define PT_NOTE		4		/* Auxiliary information */

#define PT_SHLIB	5		/* Reserved */

#define PT_PHDR		6		/* Entry for header table itself */

#define PT_TLS		7		/* Thread-local storage segment */

#define	PT_NUM		8		/* Number of defined types */

#define PT_LOOS		0x60000000	/* Start of OS-specific */

#define PT_GNU_EH_FRAME	0x6474e550	/* GCC .eh_frame_hdr segment */

#define PT_GNU_STACK	0x6474e551	/* Indicates stack executability */

#define PT_GNU_RELRO	0x6474e552	/* Read-only after relocation */

#define PT_LOSUNW	0x6ffffffa

#define PT_SUNWBSS	0x6ffffffa	/* Sun Specific segment */

#define PT_SUNWSTACK	0x6ffffffb	/* Stack segment */

#define PT_HISUNW	0x6fffffff

#define PT_HIOS		0x6fffffff	/* End of OS-specific */

#define PT_LOPROC	0x70000000	/* Start of processor-specific */

#define PT_HIPROC	0x7fffffff	/* End of processor-specific */

/* Legal values for p_flags (segment flags).  */

#define PF_X		(1 << 0)	/* Segment is executable */

#define PF_W		(1 << 1)	/* Segment is writable */

#define PF_R		(1 << 2)	/* Segment is readable */

#define PF_MASKOS	0x0ff00000	/* OS-specific */

#define PF_MASKPROC	0xf0000000	/* Processor-specific */

/* Legal values for note segment descriptor types for core files. */

#define NT_PRSTATUS	1		/* Contains copy of prstatus struct */

#define NT_FPREGSET	2		/* Contains copy of fpregset struct */

#define NT_PRPSINFO	3		/* Contains copy of prpsinfo struct */

#define NT_PRXREG	4		/* Contains copy of prxregset struct */

#define NT_TASKSTRUCT	4		/* Contains copy of task structure */

#define NT_PLATFORM	5		/* String from sysinfo(SI_PLATFORM) */

#define NT_AUXV		6		/* Contains copy of auxv array */

#define NT_GWINDOWS	7		/* Contains copy of gwindows struct */

#define NT_ASRS		8		/* Contains copy of asrset struct */

#define NT_PSTATUS	10		/* Contains copy of pstatus struct */

#define NT_PSINFO	13		/* Contains copy of psinfo struct */

#define NT_PRCRED	14		/* Contains copy of prcred struct */

#define NT_UTSNAME	15		/* Contains copy of utsname struct */

#define NT_LWPSTATUS	16		/* Contains copy of lwpstatus struct */

#define NT_LWPSINFO	17		/* Contains copy of lwpinfo struct */

#define NT_PRFPXREG	20		/* Contains copy of fprxregset struct*/

#define NT_PRXFPREG	0x46e62b7f	/* Contains copy of user_fxsr_struct*/

/* Legal values for the note segment descriptor types for object files.  */

#define NT_VERSION	1		/* Contains a version string.  */

/* Dynamic section entry.  */

typedef struct

{

  Elf32_Sword	d_tag;			/* Dynamic entry type */

  union

    {

      Elf32_Word d_val;			/* Integer value */

      Elf32_Addr d_ptr;			/* Address value */

    } d_un;

} Elf32_Dyn;

typedef struct

{

  Elf64_Sxword	d_tag;			/* Dynamic entry type */

  union

    {

      Elf64_Xword d_val;		/* Integer value */

      Elf64_Addr d_ptr;			/* Address value */

    } d_un;

} Elf64_Dyn;

/* Legal values for d_tag (dynamic entry type).  */

#define DT_NULL		0		/* Marks end of dynamic section */

#define DT_NEEDED	1		/* Name of needed library */

#define DT_PLTRELSZ	2		/* Size in bytes of PLT relocs */

#define DT_PLTGOT	3		/* Processor defined value */

#define DT_HASH		4		/* Address of symbol hash table */

#define DT_STRTAB	5		/* Address of string table */

#define DT_SYMTAB	6		/* Address of symbol table */

#define DT_RELA		7		/* Address of Rela relocs */

#define DT_RELASZ	8		/* Total size of Rela relocs */

#define DT_RELAENT	9		/* Size of one Rela reloc */

#define DT_STRSZ	10		/* Size of string table */

#define DT_SYMENT	11		/* Size of one symbol table entry */

#define DT_INIT		12		/* Address of init function */

#define DT_FINI		13		/* Address of termination function */

#define DT_SONAME	14		/* Name of shared object */

#define DT_RPATH	15		/* Library search path (deprecated) */

#define DT_SYMBOLIC	16		/* Start symbol search here */

#define DT_REL		17		/* Address of Rel relocs */

#define DT_RELSZ	18		/* Total size of Rel relocs */

#define DT_RELENT	19		/* Size of one Rel reloc */

#define DT_PLTREL	20		/* Type of reloc in PLT */

#define DT_DEBUG	21		/* For debugging; unspecified */

#define DT_TEXTREL	22		/* Reloc might modify .text */

#define DT_JMPREL	23		/* Address of PLT relocs */

#define	DT_BIND_NOW	24		/* Process relocations of object */

#define	DT_INIT_ARRAY	25		/* Array with addresses of init fct */

#define	DT_FINI_ARRAY	26		/* Array with addresses of fini fct */

#define	DT_INIT_ARRAYSZ	27		/* Size in bytes of DT_INIT_ARRAY */

#define	DT_FINI_ARRAYSZ	28		/* Size in bytes of DT_FINI_ARRAY */

#define DT_RUNPATH	29		/* Library search path */

#define DT_FLAGS	30		/* Flags for the object being loaded */

#define DT_ENCODING	32		/* Start of encoded range */

#define DT_PREINIT_ARRAY 32		/* Array with addresses of preinit fct*/

#define DT_PREINIT_ARRAYSZ 33		/* size in bytes of DT_PREINIT_ARRAY */

#define	DT_NUM		34		/* Number used */

#define DT_LOOS		0x6000000d	/* Start of OS-specific */

#define DT_HIOS		0x6ffff000	/* End of OS-specific */

#define DT_LOPROC	0x70000000	/* Start of processor-specific */

#define DT_HIPROC	0x7fffffff	/* End of processor-specific */

#define	DT_PROCNUM	DT_MIPS_NUM	/* Most used by any processor */

/* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the

   Dyn.d_un.d_val field of the Elf*_Dyn structure.  This follows Sun's

   approach.  */

#define DT_VALRNGLO	0x6ffffd00

#define DT_GNU_PRELINKED 0x6ffffdf5	/* Prelinking timestamp */

#define DT_GNU_CONFLICTSZ 0x6ffffdf6	/* Size of conflict section */

#define DT_GNU_LIBLISTSZ 0x6ffffdf7	/* Size of library list */

#define DT_CHECKSUM	0x6ffffdf8

#define DT_PLTPADSZ	0x6ffffdf9

#define DT_MOVEENT	0x6ffffdfa

#define DT_MOVESZ	0x6ffffdfb

#define DT_FEATURE_1	0x6ffffdfc	/* Feature selection (DTF_*).  */

#define DT_POSFLAG_1	0x6ffffdfd	/* Flags for DT_* entries, effecting

					   the following DT_* entry.  */

#define DT_SYMINSZ	0x6ffffdfe	/* Size of syminfo table (in bytes) */

#define DT_SYMINENT	0x6ffffdff	/* Entry size of syminfo */

#define DT_VALRNGHI	0x6ffffdff

#define DT_VALTAGIDX(tag)	(DT_VALRNGHI - (tag))	/* Reverse order! */

#define DT_VALNUM 12

/* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the

   Dyn.d_un.d_ptr field of the Elf*_Dyn structure.

   If any adjustment is made to the ELF object after it has been

   built these entries will need to be adjusted.  */

#define DT_ADDRRNGLO	0x6ffffe00

#define DT_GNU_HASH	0x6ffffef5	/* GNU-style hash table.  */

#define DT_TLSDESC_PLT	0x6ffffef6

#define DT_TLSDESC_GOT	0x6ffffef7

#define DT_GNU_CONFLICT	0x6ffffef8	/* Start of conflict section */

#define DT_GNU_LIBLIST	0x6ffffef9	/* Library list */

#define DT_CONFIG	0x6ffffefa	/* Configuration information.  */

#define DT_DEPAUDIT	0x6ffffefb	/* Dependency auditing.  */

#define DT_AUDIT	0x6ffffefc	/* Object auditing.  */

#define	DT_PLTPAD	0x6ffffefd	/* PLT padding.  */

#define	DT_MOVETAB	0x6ffffefe	/* Move table.  */

#define DT_SYMINFO	0x6ffffeff	/* Syminfo table.  */

#define DT_ADDRRNGHI	0x6ffffeff

#define DT_ADDRTAGIDX(tag)	(DT_ADDRRNGHI - (tag))	/* Reverse order! */

#define DT_ADDRNUM 11

/* The versioning entry types.  The next are defined as part of the

   GNU extension.  */

#define DT_VERSYM	0x6ffffff0

#define DT_RELACOUNT	0x6ffffff9

#define DT_RELCOUNT	0x6ffffffa

/* These were chosen by Sun.  */

#define DT_FLAGS_1	0x6ffffffb	/* State flags, see DF_1_* below.  */

#define	DT_VERDEF	0x6ffffffc	/* Address of version definition

					   table */

#define	DT_VERDEFNUM	0x6ffffffd	/* Number of version definitions */

#define	DT_VERNEED	0x6ffffffe	/* Address of table with needed

					   versions */

#define	DT_VERNEEDNUM	0x6fffffff	/* Number of needed versions */

#define DT_VERSIONTAGIDX(tag)	(DT_VERNEEDNUM - (tag))	/* Reverse order! */

#define DT_VERSIONTAGNUM 16

/* Sun added these machine-independent extensions in the "processor-specific"

   range.  Be compatible.  */

#define DT_AUXILIARY    0x7ffffffd      /* Shared object to load before self */

#define DT_FILTER       0x7fffffff      /* Shared object to get values from */

#define DT_EXTRATAGIDX(tag)	((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1)

#define DT_EXTRANUM	3

/* Values of `d_un.d_val' in the DT_FLAGS entry.  */

#define DF_ORIGIN	0x00000001	/* Object may use DF_ORIGIN */

#define DF_SYMBOLIC	0x00000002	/* Symbol resolutions starts here */

#define DF_TEXTREL	0x00000004	/* Object contains text relocations */

#define DF_BIND_NOW	0x00000008	/* No lazy binding for this object */

#define DF_STATIC_TLS	0x00000010	/* Module uses the static TLS model */

/* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1

   entry in the dynamic section.  */

#define DF_1_NOW	0x00000001	/* Set RTLD_NOW for this object.  */

#define DF_1_GLOBAL	0x00000002	/* Set RTLD_GLOBAL for this object.  */

#define DF_1_GROUP	0x00000004	/* Set RTLD_GROUP for this object.  */

#define DF_1_NODELETE	0x00000008	/* Set RTLD_NODELETE for this object.*/

#define DF_1_LOADFLTR	0x00000010	/* Trigger filtee loading at runtime.*/

#define DF_1_INITFIRST	0x00000020	/* Set RTLD_INITFIRST for this object*/

#define DF_1_NOOPEN	0x00000040	/* Set RTLD_NOOPEN for this object.  */

#define DF_1_ORIGIN	0x00000080	/* $ORIGIN must be handled.  */

#define DF_1_DIRECT	0x00000100	/* Direct binding enabled.  */

#define DF_1_TRANS	0x00000200

#define DF_1_INTERPOSE	0x00000400	/* Object is used to interpose.  */

#define DF_1_NODEFLIB	0x00000800	/* Ignore default lib search path.  */

#define DF_1_NODUMP	0x00001000	/* Object can't be dldump'ed.  */

#define DF_1_CONFALT	0x00002000	/* Configuration alternative created.*/

#define DF_1_ENDFILTEE	0x00004000	/* Filtee terminates filters search. */

#define	DF_1_DISPRELDNE	0x00008000	/* Disp reloc applied at build time. */

#define	DF_1_DISPRELPND	0x00010000	/* Disp reloc applied at run-time.  */

/* Flags for the feature selection in DT_FEATURE_1.  */

#define DTF_1_PARINIT	0x00000001

#define DTF_1_CONFEXP	0x00000002

/* Flags in the DT_POSFLAG_1 entry effecting only the next DT_* entry.  */

#define DF_P1_LAZYLOAD	0x00000001	/* Lazyload following object.  */

#define DF_P1_GROUPPERM	0x00000002	/* Symbols from next object are not

					   generally available.  */

/* Version definition sections.  */

typedef struct

{

  Elf32_Half	vd_version;		/* Version revision */

  Elf32_Half	vd_flags;		/* Version information */

  Elf32_Half	vd_ndx;			/* Version Index */

  Elf32_Half	vd_cnt;			/* Number of associated aux entries */

  Elf32_Word	vd_hash;		/* Version name hash value */

  Elf32_Word	vd_aux;			/* Offset in bytes to verdaux array */

  Elf32_Word	vd_next;		/* Offset in bytes to next verdef

					   entry */

} Elf32_Verdef;

typedef struct

{

  Elf64_Half	vd_version;		/* Version revision */

  Elf64_Half	vd_flags;		/* Version information */

  Elf64_Half	vd_ndx;			/* Version Index */

  Elf64_Half	vd_cnt;			/* Number of associated aux entries */

  Elf64_Word	vd_hash;		/* Version name hash value */

  Elf64_Word	vd_aux;			/* Offset in bytes to verdaux array */

  Elf64_Word	vd_next;		/* Offset in bytes to next verdef

					   entry */

} Elf64_Verdef;

/* Legal values for vd_version (version revision).  */

#define VER_DEF_NONE	0		/* No version */

#define VER_DEF_CURRENT	1		/* Current version */

#define VER_DEF_NUM	2		/* Given version number */

/* Legal values for vd_flags (version information flags).  */

#define VER_FLG_BASE	0x1		/* Version definition of file itself */

#define VER_FLG_WEAK	0x2		/* Weak version identifier */

/* Versym symbol index values.  */

#define	VER_NDX_LOCAL		0	/* Symbol is local.  */

#define	VER_NDX_GLOBAL		1	/* Symbol is global.  */

#define	VER_NDX_LORESERVE	0xff00	/* Beginning of reserved entries.  */

#define	VER_NDX_ELIMINATE	0xff01	/* Symbol is to be eliminated.  */

/* Auxialiary version information.  */

typedef struct

{

  Elf32_Word	vda_name;		/* Version or dependency names */

  Elf32_Word	vda_next;		/* Offset in bytes to next verdaux

					   entry */

} Elf32_Verdaux;

typedef struct

{

  Elf64_Word	vda_name;		/* Version or dependency names */

  Elf64_Word	vda_next;		/* Offset in bytes to next verdaux

					   entry */

} Elf64_Verdaux;

/* Version dependency section.  */

typedef struct

{

  Elf32_Half	vn_version;		/* Version of structure */

  Elf32_Half	vn_cnt;			/* Number of associated aux entries */

  Elf32_Word	vn_file;		/* Offset of filename for this

					   dependency */

  Elf32_Word	vn_aux;			/* Offset in bytes to vernaux array */

  Elf32_Word	vn_next;		/* Offset in bytes to next verneed

					   entry */

} Elf32_Verneed;

typedef struct

{

  Elf64_Half	vn_version;		/* Version of structure */

  Elf64_Half	vn_cnt;			/* Number of associated aux entries */

  Elf64_Word	vn_file;		/* Offset of filename for this

					   dependency */

  Elf64_Word	vn_aux;			/* Offset in bytes to vernaux array */

  Elf64_Word	vn_next;		/* Offset in bytes to next verneed

					   entry */

} Elf64_Verneed;

/* Legal values for vn_version (version revision).  */

#define VER_NEED_NONE	 0		/* No version */

#define VER_NEED_CURRENT 1		/* Current version */

#define VER_NEED_NUM	 2		/* Given version number */

/* Auxiliary needed version information.  */

typedef struct

{

  Elf32_Word	vna_hash;		/* Hash value of dependency name */

  Elf32_Half	vna_flags;		/* Dependency specific information */

  Elf32_Half	vna_other;		/* Unused */

  Elf32_Word	vna_name;		/* Dependency name string offset */

  Elf32_Word	vna_next;		/* Offset in bytes to next vernaux

					   entry */

} Elf32_Vernaux;

typedef struct

{

  Elf64_Word	vna_hash;		/* Hash value of dependency name */

  Elf64_Half	vna_flags;		/* Dependency specific information */

  Elf64_Half	vna_other;		/* Unused */

  Elf64_Word	vna_name;		/* Dependency name string offset */

  Elf64_Word	vna_next;		/* Offset in bytes to next vernaux

					   entry */

} Elf64_Vernaux;

/* Legal values for vna_flags.  */

#define VER_FLG_WEAK	0x2		/* Weak version identifier */

/* Auxiliary vector.  */

/* This vector is normally only used by the program interpreter.  The

   usual definition in an ABI supplement uses the name auxv_t.  The

   vector is not usually defined in a standard <elf.h> file, but it

   can't hurt.  We rename it to avoid conflicts.  The sizes of these

   types are an arrangement between the exec server and the program

   interpreter, so we don't fully specify them here.  */

typedef struct

{

  uint32_t a_type;		/* Entry type */

  union

    {

      uint32_t a_val;		/* Integer value */

      /* We use to have pointer elements added here.  We cannot do that,

	 though, since it does not work when using 32-bit definitions

	 on 64-bit platforms and vice versa.  */

    } a_un;

} Elf32_auxv_t;

typedef struct

{

  uint64_t a_type;		/* Entry type */

  union

    {

      uint64_t a_val;		/* Integer value */

      /* We use to have pointer elements added here.  We cannot do that,

	 though, since it does not work when using 32-bit definitions

	 on 64-bit platforms and vice versa.  */

    } a_un;

} Elf64_auxv_t;

/* Legal values for a_type (entry type).  */

#define AT_NULL		0		/* End of vector */

#define AT_IGNORE	1		/* Entry should be ignored */

#define AT_EXECFD	2		/* File descriptor of program */

#define AT_PHDR		3		/* Program headers for program */

#define AT_PHENT	4		/* Size of program header entry */

#define AT_PHNUM	5		/* Number of program headers */

#define AT_PAGESZ	6		/* System page size */

#define AT_BASE		7		/* Base address of interpreter */

#define AT_FLAGS	8		/* Flags */

#define AT_ENTRY	9		/* Entry point of program */

#define AT_NOTELF	10		/* Program is not ELF */

#define AT_UID		11		/* Real uid */

#define AT_EUID		12		/* Effective uid */

#define AT_GID		13		/* Real gid */

#define AT_EGID		14		/* Effective gid */

#define AT_CLKTCK	17		/* Frequency of times() */

/* Some more special a_type values describing the hardware.  */

#define AT_PLATFORM	15		/* String identifying platform.  */

#define AT_HWCAP	16		/* Machine dependent hints about

					   processor capabilities.  */

/* This entry gives some information about the FPU initialization

   performed by the kernel.  */

#define AT_FPUCW	18		/* Used FPU control word.  */

/* Cache block sizes.  */

#define AT_DCACHEBSIZE	19		/* Data cache block size.  */

#define AT_ICACHEBSIZE	20		/* Instruction cache block size.  */

#define AT_UCACHEBSIZE	21		/* Unified cache block size.  */

/* A special ignored value for PPC, used by the kernel to control the

   interpretation of the AUXV. Must be > 16.  */

#define AT_IGNOREPPC	22		/* Entry should be ignored.  */

#define	AT_SECURE	23		/* Boolean, was exec setuid-like?  */

/* Pointer to the global system page used for system calls and other

   nice things.  */

#define AT_SYSINFO	32

#define AT_SYSINFO_EHDR	33

/* Shapes of the caches.  Bits 0-3 contains associativity; bits 4-7 contains

   log2 of line size; mask those to get cache size.  */

#define AT_L1I_CACHESHAPE	34

#define AT_L1D_CACHESHAPE	35

#define AT_L2_CACHESHAPE	36

#define AT_L3_CACHESHAPE	37

/* Note section contents.  Each entry in the note section begins with

   a header of a fixed form.  */

typedef struct

{

  Elf32_Word n_namesz;			/* Length of the note's name.  */

  Elf32_Word n_descsz;			/* Length of the note's descriptor.  */

  Elf32_Word n_type;			/* Type of the note.  */

} Elf32_Nhdr;

typedef struct

{