[thirdparty/elfutils.git] / libelf / gelf.h

/* This file defines generic ELF types, structures, and macros.
   Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2015 Red Hat, Inc.
   This file is part of elfutils.

   This file is free software; you can redistribute it and/or modify
   it under the terms of either

     * the GNU Lesser General Public License as published by the Free
       Software Foundation; either version 3 of the License, or (at
       your option) any later version

   or

     * the GNU General Public License as published by the Free
       Software Foundation; either version 2 of the License, or (at
       your option) any later version

   or both in parallel, as here.

   elfutils 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
   General Public License for more details.

   You should have received copies of the GNU General Public License and
   the GNU Lesser General Public License along with this program.  If
   not, see <http://www.gnu.org/licenses/>.  */

#ifndef _GELF_H
#define	_GELF_H 1

#include <libelf.h>


#ifdef __cplusplus
extern "C" {
#endif

/* Class independent type definitions.  Correctly speaking this is not
   true.  We assume that 64-bit binaries are the largest class and
   therefore all other classes can be represented without loss.  */

/* Type for a 16-bit quantity.  */
typedef Elf64_Half GElf_Half;

/* Types for signed and unsigned 32-bit quantities.  */
typedef Elf64_Word GElf_Word;
typedef	Elf64_Sword GElf_Sword;

/* Types for signed and unsigned 64-bit quantities.  */
typedef Elf64_Xword GElf_Xword;
typedef	Elf64_Sxword GElf_Sxword;

/* Type of addresses.  */
typedef Elf64_Addr GElf_Addr;

/* Type of file offsets.  */
typedef Elf64_Off GElf_Off;


/* The ELF file header.  This appears at the start of every ELF file.  */
typedef Elf64_Ehdr GElf_Ehdr;

/* Section header.  */
typedef Elf64_Shdr GElf_Shdr;

/* Section index.  */
/* XXX This should probably be a larger type in preparation of times when
   regular section indices can be larger.  */
typedef Elf64_Section GElf_Section;

/* Symbol table entry.  */
typedef Elf64_Sym GElf_Sym;

/* The syminfo section if available contains additional information about
   every dynamic symbol.  */
typedef Elf64_Syminfo GElf_Syminfo;

/* Relocation table entry without addend (in section of type SHT_REL).  */
typedef Elf64_Rel GElf_Rel;

/* Relocation table entry with addend (in section of type SHT_RELA).  */
typedef Elf64_Rela GElf_Rela;

/* Relative relocation entry (in section of type SHT_RELR).  */
typedef Elf64_Relr GElf_Relr;

/* Program segment header.  */
typedef Elf64_Phdr GElf_Phdr;

/* Header of a compressed section.  */
typedef Elf64_Chdr GElf_Chdr;

/* Dynamic section entry.  */
typedef Elf64_Dyn GElf_Dyn;


/* Version definition sections.  */
typedef Elf64_Verdef GElf_Verdef;

/* Auxiliary version information.  */
typedef Elf64_Verdaux GElf_Verdaux;

/* Version dependency section.  */
typedef Elf64_Verneed GElf_Verneed;

/* Auxiliary needed version information.  */
typedef Elf64_Vernaux GElf_Vernaux;


/* Type for version symbol information.  */
typedef Elf64_Versym GElf_Versym;


/* Auxiliary vector.  */
typedef Elf64_auxv_t GElf_auxv_t;


/* Note section contents.  */
typedef Elf64_Nhdr GElf_Nhdr;


/* Move structure.  */
typedef Elf64_Move GElf_Move;


/* Library list structure.  */
typedef Elf64_Lib GElf_Lib;


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

#define GELF_ST_BIND(val)		ELF64_ST_BIND (val)
#define GELF_ST_TYPE(val)		ELF64_ST_TYPE (val)
#define GELF_ST_INFO(bind, type)	ELF64_ST_INFO (bind, type)

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

#define GELF_ST_VISIBILITY(val)		ELF64_ST_VISIBILITY (val)


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

#define GELF_R_SYM(info)		ELF64_R_SYM (info)
#define GELF_R_TYPE(info)		ELF64_R_TYPE (info)
#define GELF_R_INFO(sym, type)		ELF64_R_INFO (sym, type)


/* How to extract and insert information held in the m_info field.  */
#define GELF_M_SYM(info)		ELF64_M_SYM (info)
#define GELF_M_SIZE(info)		ELF64_M_SIZE (info)
#define GELF_M_INFO(sym, size)		ELF64_M_INFO (sym, size)


/* Get class of the file associated with ELF.  */
extern int gelf_getclass (Elf *__elf);


/* Return size of array of COUNT elements of the type denoted by TYPE
   in the external representation.  The binary class is taken from ELF.
   The result is based on version VERSION of the ELF standard.  */
extern size_t gelf_fsize (Elf *__elf, Elf_Type __type, size_t __count,
			  unsigned int __version);

/* Retrieve object file header.  */
extern GElf_Ehdr *gelf_getehdr (Elf *__elf, GElf_Ehdr *__dest);

/* Update the ELF header.  */
extern int gelf_update_ehdr (Elf *__elf, GElf_Ehdr *__src);

/* Create new ELF header if none exists.  Creates an Elf32_Ehdr if CLASS
   is ELFCLASS32 or an Elf64_Ehdr if CLASS is ELFCLASS64.  Returns NULL
   on error.  */
extern void *gelf_newehdr (Elf *__elf, int __class);

/* Get section at OFFSET.  */
extern Elf_Scn *gelf_offscn (Elf *__elf, GElf_Off __offset);

/* Retrieve section header.  */
extern GElf_Shdr *gelf_getshdr (Elf_Scn *__scn, GElf_Shdr *__dst);

/* Update section header.  */
extern int gelf_update_shdr (Elf_Scn *__scn, GElf_Shdr *__src);

/* Retrieve program header table entry.  */
extern GElf_Phdr *gelf_getphdr (Elf *__elf, int __ndx, GElf_Phdr *__dst);

/* Update the program header.  */
extern int gelf_update_phdr (Elf *__elf, int __ndx, GElf_Phdr *__src);

/* Create new program header with PHNUM entries.  Creates either an
   Elf32_Phdr or an Elf64_Phdr depending on whether the given ELF is
   ELFCLASS32 or ELFCLASS64.  Returns NULL on error.  */
extern void *gelf_newphdr (Elf *__elf, size_t __phnum);

/* Get compression header of section if any.  Returns NULL and sets
   elf_errno if the section isn't compressed or an error occurred.  */
extern GElf_Chdr *gelf_getchdr (Elf_Scn *__scn, GElf_Chdr *__dst);

/* Convert data structure from the representation in the file represented
   by ELF to their memory representation.  */
extern Elf_Data *gelf_xlatetom (Elf *__elf, Elf_Data *__dest,
				const Elf_Data *__src, unsigned int __encode);

/* Convert data structure from to the representation in memory
   represented by ELF file representation.  */
extern Elf_Data *gelf_xlatetof (Elf *__elf, Elf_Data *__dest,
				const Elf_Data *__src, unsigned int __encode);


/* Retrieve REL relocation info at the given index.  */
extern GElf_Rel *gelf_getrel (Elf_Data *__data, int __ndx, GElf_Rel *__dst);

/* Retrieve RELA relocation info at the given index.  */
extern GElf_Rela *gelf_getrela (Elf_Data *__data, int __ndx, GElf_Rela *__dst);

/* Update REL relocation information at given index.  */
extern int gelf_update_rel (Elf_Data *__dst, int __ndx, GElf_Rel *__src);

/* Update RELA relocation information at given index.  */
extern int gelf_update_rela (Elf_Data *__dst, int __ndx, GElf_Rela *__src);


/* Retrieve symbol information from the symbol table at the given index.  */
extern GElf_Sym *gelf_getsym (Elf_Data *__data, int __ndx, GElf_Sym *__dst);

/* Update symbol information in the symbol table at the given index.  */
extern int gelf_update_sym (Elf_Data *__data, int __ndx, GElf_Sym *__src);


/* Retrieve symbol information and separate section index from the
   symbol table at the given index.  */
extern GElf_Sym *gelf_getsymshndx (Elf_Data *__symdata, Elf_Data *__shndxdata,
				   int __ndx, GElf_Sym *__sym,
				   Elf32_Word *__xshndx);

/* Update symbol information and separate section index in the symbol
   table at the given index.  */
extern int gelf_update_symshndx (Elf_Data *__symdata, Elf_Data *__shndxdata,
				 int __ndx, GElf_Sym *__sym,
				 Elf32_Word __xshndx);


/* Retrieve additional symbol information from the symbol table at the
   given index.  */
extern GElf_Syminfo *gelf_getsyminfo (Elf_Data *__data, int __ndx,
				      GElf_Syminfo *__dst);

/* Update additional symbol information in the symbol table at the
   given index.  */
extern int gelf_update_syminfo (Elf_Data *__data, int __ndx,
				GElf_Syminfo *__src);


/* Get information from dynamic table at the given index.  */
extern GElf_Dyn *gelf_getdyn (Elf_Data *__data, int __ndx, GElf_Dyn *__dst);

/* Update information in dynamic table at the given index.  */
extern int gelf_update_dyn (Elf_Data *__dst, int __ndx, GElf_Dyn *__src);


/* Get move structure at the given index.  */
extern GElf_Move *gelf_getmove (Elf_Data *__data, int __ndx, GElf_Move *__dst);

/* Update move structure at the given index.  */
extern int gelf_update_move (Elf_Data *__data, int __ndx,
			     GElf_Move *__src);


/* Get library from table at the given index.  */
extern GElf_Lib *gelf_getlib (Elf_Data *__data, int __ndx, GElf_Lib *__dst);

/* Update library in table at the given index.  */
extern int gelf_update_lib (Elf_Data *__data, int __ndx, GElf_Lib *__src);


/* Retrieve symbol version information at given index.  */
extern GElf_Versym *gelf_getversym (Elf_Data *__data, int __ndx,
				    GElf_Versym *__dst);

/* Update symbol version information.  */
extern int gelf_update_versym (Elf_Data *__data, int __ndx,
			       GElf_Versym *__src);


/* Retrieve required symbol version information at given offset.  */
extern GElf_Verneed *gelf_getverneed (Elf_Data *__data, int __offset,
				      GElf_Verneed *__dst);

/* Update required symbol version information.  */
extern int gelf_update_verneed (Elf_Data *__data, int __offset,
				GElf_Verneed *__src);

/* Retrieve additional required symbol version information at given offset.  */
extern GElf_Vernaux *gelf_getvernaux (Elf_Data *__data, int __offset,
				      GElf_Vernaux *__dst);

/* Update additional required symbol version information.  */
extern int gelf_update_vernaux (Elf_Data *__data, int __offset,
				GElf_Vernaux *__src);


/* Retrieve symbol version definition information at given offset.  */
extern GElf_Verdef *gelf_getverdef (Elf_Data *__data, int __offset,
				    GElf_Verdef *__dst);

/* Update symbol version definition information.  */
extern int gelf_update_verdef (Elf_Data *__data, int __offset,
			       GElf_Verdef *__src);

/* Retrieve additional symbol version definition information at given
   offset.  */
extern GElf_Verdaux *gelf_getverdaux (Elf_Data *__data, int __offset,
				      GElf_Verdaux *__dst);

/* Update additional symbol version definition information.  */
extern int gelf_update_verdaux (Elf_Data *__data, int __offset,
				GElf_Verdaux *__src);


/* Get auxv entry at the given index.  */
extern GElf_auxv_t *gelf_getauxv (Elf_Data *__data, int __ndx,
				  GElf_auxv_t *__dst);

/* Update auxv entry at the given index.  */
extern int gelf_update_auxv (Elf_Data *__data, int __ndx, GElf_auxv_t *__src);


/* Get note header at the given offset into the data, and the offsets of
   the note's name and descriptor data.  Returns the offset of the next
   note header, or 0 for an invalid offset or corrupt note header.  */
extern size_t gelf_getnote (Elf_Data *__data, size_t __offset,
			    GElf_Nhdr *__result,
			    size_t *__name_offset, size_t *__desc_offset);


/* Compute simple checksum from permanent parts of the ELF file.  */
extern long int gelf_checksum (Elf *__elf);

#ifdef __cplusplus
}
#endif

#endif	/* gelf.h */
Commit	Line	Data
b08d5a8f	1	/* This file defines generic ELF types, structures, and macros.
5ddb50af	2	Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2015 Red Hat, Inc.
de2ed97f	3	This file is part of elfutils.
361df7da	4
de2ed97f MW	5	This file is free software; you can redistribute it and/or modify
de2ed97f MW	6	it under the terms of either
361df7da	7
de2ed97f MW	8	* the GNU Lesser General Public License as published by the Free
	9	Software Foundation; either version 3 of the License, or (at
	10	your option) any later version
	11
	12	or
	13
	14	* the GNU General Public License as published by the Free
	15	Software Foundation; either version 2 of the License, or (at
	16	your option) any later version
	17
	18	or both in parallel, as here.
	19
	20	elfutils is distributed in the hope that it will be useful, but
361df7da UD	21	WITHOUT ANY WARRANTY; without even the implied warranty of
	22	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	23	General Public License for more details.
	24
de2ed97f MW	25	You should have received copies of the GNU General Public License and
	26	the GNU Lesser General Public License along with this program. If
	27	not, see <http://www.gnu.org/licenses/>. */
b08d5a8f UD	28
	29	#ifndef _GELF_H
	30	#define _GELF_H 1
	31
	32	#include <libelf.h>
	33
	34
	35	#ifdef __cplusplus
	36	extern "C" {
	37	#endif
	38
	39	/* Class independent type definitions. Correctly speaking this is not
	40	true. We assume that 64-bit binaries are the largest class and
	41	therefore all other classes can be represented without loss. */
	42
	43	/* Type for a 16-bit quantity. */
	44	typedef Elf64_Half GElf_Half;
	45
	46	/* Types for signed and unsigned 32-bit quantities. */
	47	typedef Elf64_Word GElf_Word;
	48	typedef Elf64_Sword GElf_Sword;
	49
	50	/* Types for signed and unsigned 64-bit quantities. */
	51	typedef Elf64_Xword GElf_Xword;
	52	typedef Elf64_Sxword GElf_Sxword;
	53
	54	/* Type of addresses. */
	55	typedef Elf64_Addr GElf_Addr;
	56
	57	/* Type of file offsets. */
	58	typedef Elf64_Off GElf_Off;
	59
	60
	61	/* The ELF file header. This appears at the start of every ELF file. */
	62	typedef Elf64_Ehdr GElf_Ehdr;
	63
	64	/* Section header. */
	65	typedef Elf64_Shdr GElf_Shdr;
	66
	67	/* Section index. */
	68	/* XXX This should probably be a larger type in preparation of times when
	69	regular section indices can be larger. */
	70	typedef Elf64_Section GElf_Section;
	71
	72	/* Symbol table entry. */
	73	typedef Elf64_Sym GElf_Sym;
	74
	75	/* The syminfo section if available contains additional information about
	76	every dynamic symbol. */
	77	typedef Elf64_Syminfo GElf_Syminfo;
	78
	79	/* Relocation table entry without addend (in section of type SHT_REL). */
	80	typedef Elf64_Rel GElf_Rel;
	81
	82	/* Relocation table entry with addend (in section of type SHT_RELA). */
	83	typedef Elf64_Rela GElf_Rela;
	84
39f2c500 MW	85	/* Relative relocation entry (in section of type SHT_RELR). */
	86	typedef Elf64_Relr GElf_Relr;
	87
b08d5a8f UD	88	/* Program segment header. */
	89	typedef Elf64_Phdr GElf_Phdr;
	90
5ddb50af MW	91	/* Header of a compressed section. */
	92	typedef Elf64_Chdr GElf_Chdr;
	93
b08d5a8f UD	94	/* Dynamic section entry. */
	95	typedef Elf64_Dyn GElf_Dyn;
	96
	97
	98	/* Version definition sections. */
	99	typedef Elf64_Verdef GElf_Verdef;
	100
d178e376	101	/* Auxiliary version information. */
b08d5a8f UD	102	typedef Elf64_Verdaux GElf_Verdaux;
	103
	104	/* Version dependency section. */
	105	typedef Elf64_Verneed GElf_Verneed;
	106
	107	/* Auxiliary needed version information. */
	108	typedef Elf64_Vernaux GElf_Vernaux;
	109
	110
	111	/* Type for version symbol information. */
	112	typedef Elf64_Versym GElf_Versym;
	113
	114
	115	/* Auxiliary vector. */
	116	typedef Elf64_auxv_t GElf_auxv_t;
	117
	118
	119	/* Note section contents. */
	120	typedef Elf64_Nhdr GElf_Nhdr;
	121
	122
	123	/* Move structure. */
	124	typedef Elf64_Move GElf_Move;
	125
	126
	127	/* Library list structure. */
	128	typedef Elf64_Lib GElf_Lib;
	129
	130
	131	/* How to extract and insert information held in the st_info field. */
	132
	133	#define GELF_ST_BIND(val) ELF64_ST_BIND (val)
	134	#define GELF_ST_TYPE(val) ELF64_ST_TYPE (val)
	135	#define GELF_ST_INFO(bind, type) ELF64_ST_INFO (bind, type)
	136
	137	/* How to extract information held in the st_other field. */
	138
	139	#define GELF_ST_VISIBILITY(val) ELF64_ST_VISIBILITY (val)
	140
	141
	142	/* How to extract and insert information held in the r_info field. */
	143
	144	#define GELF_R_SYM(info) ELF64_R_SYM (info)
	145	#define GELF_R_TYPE(info) ELF64_R_TYPE (info)
	146	#define GELF_R_INFO(sym, type) ELF64_R_INFO (sym, type)
	147
	148
	149	/* How to extract and insert information held in the m_info field. */
	150	#define GELF_M_SYM(info) ELF64_M_SYM (info)
	151	#define GELF_M_SIZE(info) ELF64_M_SIZE (info)
	152	#define GELF_M_INFO(sym, size) ELF64_M_INFO (sym, size)
	153
	154
	155	/* Get class of the file associated with ELF. */
	156	extern int gelf_getclass (Elf *__elf);
	157
	158
e0b4385b	159	/* Return size of array of COUNT elements of the type denoted by TYPE
b08d5a8f UD	160	in the external representation. The binary class is taken from ELF.
	161	The result is based on version VERSION of the ELF standard. */
	162	extern size_t gelf_fsize (Elf *__elf, Elf_Type __type, size_t __count,
	163	unsigned int __version);
	164
	165	/* Retrieve object file header. */
	166	extern GElf_Ehdr gelf_getehdr (Elf __elf, GElf_Ehdr *__dest);
	167
	168	/* Update the ELF header. */
	169	extern int gelf_update_ehdr (Elf __elf, GElf_Ehdr __src);
	170
0d0f8450 AO	171	/* Create new ELF header if none exists. Creates an Elf32_Ehdr if CLASS
	172	is ELFCLASS32 or an Elf64_Ehdr if CLASS is ELFCLASS64. Returns NULL
	173	on error. */
	174	extern void gelf_newehdr (Elf __elf, int __class);
b08d5a8f	175
41de488a UD	176	/* Get section at OFFSET. */
	177	extern Elf_Scn gelf_offscn (Elf __elf, GElf_Off __offset);
	178
b08d5a8f UD	179	/* Retrieve section header. */
	180	extern GElf_Shdr gelf_getshdr (Elf_Scn __scn, GElf_Shdr *__dst);
	181
	182	/* Update section header. */
	183	extern int gelf_update_shdr (Elf_Scn __scn, GElf_Shdr __src);
	184
	185	/* Retrieve program header table entry. */
	186	extern GElf_Phdr gelf_getphdr (Elf __elf, int __ndx, GElf_Phdr *__dst);
	187
	188	/* Update the program header. */
	189	extern int gelf_update_phdr (Elf __elf, int __ndx, GElf_Phdr __src);
	190
0d0f8450 AO	191	/* Create new program header with PHNUM entries. Creates either an
	192	Elf32_Phdr or an Elf64_Phdr depending on whether the given ELF is
	193	ELFCLASS32 or ELFCLASS64. Returns NULL on error. */
	194	extern void gelf_newphdr (Elf __elf, size_t __phnum);
b08d5a8f	195
5ddb50af MW	196	/* Get compression header of section if any. Returns NULL and sets
	197	elf_errno if the section isn't compressed or an error occurred. */
	198	extern GElf_Chdr gelf_getchdr (Elf_Scn __scn, GElf_Chdr *__dst);
b08d5a8f UD	199
	200	/* Convert data structure from the representation in the file represented
	201	by ELF to their memory representation. */
	202	extern Elf_Data gelf_xlatetom (Elf __elf, Elf_Data *__dest,
	203	const Elf_Data *__src, unsigned int __encode);
	204
	205	/* Convert data structure from to the representation in memory
	206	represented by ELF file representation. */
	207	extern Elf_Data gelf_xlatetof (Elf __elf, Elf_Data *__dest,
	208	const Elf_Data *__src, unsigned int __encode);
	209
	210
	211	/* Retrieve REL relocation info at the given index. */
	212	extern GElf_Rel gelf_getrel (Elf_Data __data, int __ndx, GElf_Rel *__dst);
	213
	214	/* Retrieve RELA relocation info at the given index. */
	215	extern GElf_Rela gelf_getrela (Elf_Data __data, int __ndx, GElf_Rela *__dst);
	216
	217	/* Update REL relocation information at given index. */
	218	extern int gelf_update_rel (Elf_Data __dst, int __ndx, GElf_Rel __src);
	219
	220	/* Update RELA relocation information at given index. */
	221	extern int gelf_update_rela (Elf_Data __dst, int __ndx, GElf_Rela __src);
	222
	223
	224	/* Retrieve symbol information from the symbol table at the given index. */
	225	extern GElf_Sym gelf_getsym (Elf_Data __data, int __ndx, GElf_Sym *__dst);
	226
	227	/* Update symbol information in the symbol table at the given index. */
	228	extern int gelf_update_sym (Elf_Data __data, int __ndx, GElf_Sym __src);
	229
	230
	231	/* Retrieve symbol information and separate section index from the
	232	symbol table at the given index. */
	233	extern GElf_Sym gelf_getsymshndx (Elf_Data __symdata, Elf_Data *__shndxdata,
	234	int __ndx, GElf_Sym *__sym,
	235	Elf32_Word *__xshndx);
	236
	237	/* Update symbol information and separate section index in the symbol
	238	table at the given index. */
	239	extern int gelf_update_symshndx (Elf_Data __symdata, Elf_Data __shndxdata,
	240	int __ndx, GElf_Sym *__sym,
	241	Elf32_Word __xshndx);
	242
	243
	244	/* Retrieve additional symbol information from the symbol table at the
	245	given index. */
	246	extern GElf_Syminfo gelf_getsyminfo (Elf_Data __data, int __ndx,
	247	GElf_Syminfo *__dst);
	248
	249	/* Update additional symbol information in the symbol table at the
	250	given index. */
	251	extern int gelf_update_syminfo (Elf_Data *__data, int __ndx,
	252	GElf_Syminfo *__src);
	253
	254
	255	/* Get information from dynamic table at the given index. */
	256	extern GElf_Dyn gelf_getdyn (Elf_Data __data, int __ndx, GElf_Dyn *__dst);
	257
	258	/* Update information in dynamic table at the given index. */
	259	extern int gelf_update_dyn (Elf_Data __dst, int __ndx, GElf_Dyn __src);
	260
	261
	262	/* Get move structure at the given index. */
263	extern GElf_Move gelf_getmove (Elf_Data __data, int __ndx, GElf_Move *__dst);
264
265	/* Update move structure at the given index. */
266	extern int gelf_update_move (Elf_Data *__data, int __ndx,
267	GElf_Move *__src);
268
269
270	/* Get library from table at the given index. */
271	extern GElf_Lib gelf_getlib (Elf_Data __data, int __ndx, GElf_Lib *__dst);
272
273	/* Update library in table at the given index. */
274	extern int gelf_update_lib (Elf_Data __data, int __ndx, GElf_Lib __src);
275
276
277
278	/* Retrieve symbol version information at given index. */
279	extern GElf_Versym gelf_getversym (Elf_Data __data, int __ndx,
280	GElf_Versym *__dst);
281
282	/* Update symbol version information. */
283	extern int gelf_update_versym (Elf_Data *__data, int __ndx,
284	GElf_Versym *__src);
285
286
287	/* Retrieve required symbol version information at given offset. */
288	extern GElf_Verneed gelf_getverneed (Elf_Data __data, int __offset,
289	GElf_Verneed *__dst);
290
291	/* Update required symbol version information. */
292	extern int gelf_update_verneed (Elf_Data *__data, int __offset,
293	GElf_Verneed *__src);
294
295	/* Retrieve additional required symbol version information at given offset. */
296	extern GElf_Vernaux gelf_getvernaux (Elf_Data __data, int __offset,
297	GElf_Vernaux *__dst);
298
299	/* Update additional required symbol version information. */
300	extern int gelf_update_vernaux (Elf_Data *__data, int __offset,
301	GElf_Vernaux *__src);
302
303
304	/* Retrieve symbol version definition information at given offset. */
305	extern GElf_Verdef gelf_getverdef (Elf_Data __data, int __offset,
306	GElf_Verdef *__dst);
307
308	/* Update symbol version definition information. */
309	extern int gelf_update_verdef (Elf_Data *__data, int __offset,
310	GElf_Verdef *__src);
311
312	/* Retrieve additional symbol version definition information at given
313	offset. */
314	extern GElf_Verdaux gelf_getverdaux (Elf_Data __data, int __offset,
315	GElf_Verdaux *__dst);
316
317	/* Update additional symbol version definition information. */
318	extern int gelf_update_verdaux (Elf_Data *__data, int __offset,
319	GElf_Verdaux *__src);
320
321
cb6d8650 RM	322	/* Get auxv entry at the given index. */
	323	extern GElf_auxv_t gelf_getauxv (Elf_Data __data, int __ndx,
	324	GElf_auxv_t *__dst);
	325
	326	/* Update auxv entry at the given index. */
	327	extern int gelf_update_auxv (Elf_Data __data, int __ndx, GElf_auxv_t __src);
	328
	329
c76f0b05 RM	330	/* Get note header at the given offset into the data, and the offsets of
	331	the note's name and descriptor data. Returns the offset of the next
	332	note header, or 0 for an invalid offset or corrupt note header. */
	333	extern size_t gelf_getnote (Elf_Data *__data, size_t __offset,
	334	GElf_Nhdr *__result,
	335	size_t __name_offset, size_t __desc_offset);
	336
	337
b08d5a8f UD	338	/* Compute simple checksum from permanent parts of the ELF file. */
	339	extern long int gelf_checksum (Elf *__elf);
	340
	341	#ifdef __cplusplus
	342	}
	343	#endif
	344
	345	#endif /* gelf.h */