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1 files changed, 308 insertions, 0 deletions

diff --git a/libelf/gelf.h b/libelf/gelf.h
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+++ b/libelf/gelf.h
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+/* This file defines generic ELF types, structures, and macros.
+   Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005 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);
+
+
+/* Compute simple checksum from permanent parts of the ELF file.  */
+extern long int gelf_checksum (Elf *__elf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* gelf.h */