| /* This file defines generic ELF types, structures, and macros. |
| Copyright (C) 1999, 2000, 2001, 2002, 2004 Red Hat, Inc. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation, version 2. |
| |
| This program 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 a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software Foundation, |
| Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| |
| #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; |
| |
| /* 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 elemeents 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. */ |
| extern unsigned long int gelf_newehdr (Elf *__elf, int __class); |
| |
| /* 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. */ |
| extern unsigned long int gelf_newphdr (Elf *__elf, size_t __phnum); |
| |
| |
| /* 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); |
| |
| |
| /* Retrieve uninterpreted chunk of the file contents. */ |
| extern char *gelf_rawchunk (Elf *__elf, GElf_Off __offset, GElf_Word __size); |
| |
| /* Release uninterpreted chunk of the file contents. */ |
| extern void gelf_freechunk (Elf *__elf, char *__ptr); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* gelf.h */ |
