mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-23 15:32:26 +00:00
343 lines
11 KiB
C
343 lines
11 KiB
C
/* 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;
|
|
|
|
/* 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;
|
|
|
|
/* Auxialiary 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 */
|