GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
coreboot-kgpe-d16/util/cbfstool/elfparsing.h

78 lines
2.3 KiB
C
Raw Normal View History

cbfstool: add eflparsing.h elfparsing.h serves as the header to working with the elf parser. Additionally, only include what is needed by the other files. Many had no reason to be including elf.h aside from fixing compilation problems when including cbfs.h. Change-Id: I9eb5f09f3122aa18beeca52d2e4dc2102d70fb9d Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5370 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 19:12:09 +01:00
/*
* Copyright (C) 2014 Google, 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 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
#ifndef ELFPARSING_H
#define ELFPARSING_H
#include "elf.h"
cbfstool: add string table parsing to ELF parser Optionally parse the string tables within an ELF file. Change-Id: I89f9da50b4fcf1fed7ac44f00c60b495c35555ef Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5375 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 21:33:42 +01:00
#include "common.h"
cbfstool: add eflparsing.h elfparsing.h serves as the header to working with the elf parser. Additionally, only include what is needed by the other files. Many had no reason to be including elf.h aside from fixing compilation problems when including cbfs.h. Change-Id: I9eb5f09f3122aa18beeca52d2e4dc2102d70fb9d Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5370 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 19:12:09 +01:00
cbfstool: introduce struct parsed_elf and parse_elf() In order to make the ELF parsing more flexible introduce a parse_elf() function which takes a struct parsed_elf parameter. In addition take a flags parameter which instructs the ELF parser as to what data within the ELF file should be parsed. Change-Id: I3e30e84bf8043c3df96a6ab56cd077eef2632173 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5373 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 20:09:55 +01:00
struct parsed_elf {
Elf64_Ehdr ehdr;
Elf64_Phdr *phdr;
Elf64_Shdr *shdr;
cbfstool: add relocation parsing to ELF parser Optionally parse the relocation entries found within an ELF file. Change-Id: I343647f104901eb8a6a997ddf44aa5d36c31b44b Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5374 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 20:57:30 +01:00
/*
* The relocs array contains pointers to arrays of relocation
* structures. Each index into the relocs array corresponds to its
* corresponding section index. i.e. if a section i is of type SHT_REL
* or SHT_RELA then the corresponding index into the relocs array will
* contain the associated relocations. Otherwise thee entry will be
* NULL.
*/
Elf64_Rela **relocs;
cbfstool: add string table parsing to ELF parser Optionally parse the string tables within an ELF file. Change-Id: I89f9da50b4fcf1fed7ac44f00c60b495c35555ef Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5375 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 21:33:42 +01:00
/*
* Similarly to the relocs array the strtabs array consists of an
* array of pointers where each entry represents a potential struct
* buffer pointer. Only setions of type SHT_STRTAB will have a non-NULL
* entry.
*/
struct buffer **strtabs;
cbfstool: add symbol table parsing to the ELF parser Optionally parse the symbol table contained within an ELF file. It currently assumes there is only one symbol table present, and it errors out if more than one is found. Change-Id: I4ac4ad03184a319562576d8ab24fa620e701672a Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5376 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 23:41:27 +01:00
/* Parsed symbols. */
Elf64_Sym *syms;
cbfstool: introduce struct parsed_elf and parse_elf() In order to make the ELF parsing more flexible introduce a parse_elf() function which takes a struct parsed_elf parameter. In addition take a flags parameter which instructs the ELF parser as to what data within the ELF file should be parsed. Change-Id: I3e30e84bf8043c3df96a6ab56cd077eef2632173 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5373 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 20:09:55 +01:00
};
#define ELF_PARSE_PHDR (1 << 0)
#define ELF_PARSE_SHDR (1 << 1)
cbfstool: add relocation parsing to ELF parser Optionally parse the relocation entries found within an ELF file. Change-Id: I343647f104901eb8a6a997ddf44aa5d36c31b44b Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5374 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 20:57:30 +01:00
#define ELF_PARSE_RELOC (1 << 2)
cbfstool: add string table parsing to ELF parser Optionally parse the string tables within an ELF file. Change-Id: I89f9da50b4fcf1fed7ac44f00c60b495c35555ef Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5375 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 21:33:42 +01:00
#define ELF_PARSE_STRTAB (1 << 3)
cbfstool: add symbol table parsing to the ELF parser Optionally parse the symbol table contained within an ELF file. It currently assumes there is only one symbol table present, and it errors out if more than one is found. Change-Id: I4ac4ad03184a319562576d8ab24fa620e701672a Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5376 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 23:41:27 +01:00
#define ELF_PARSE_SYMTAB (1 << 4)
cbfstool: introduce struct parsed_elf and parse_elf() In order to make the ELF parsing more flexible introduce a parse_elf() function which takes a struct parsed_elf parameter. In addition take a flags parameter which instructs the ELF parser as to what data within the ELF file should be parsed. Change-Id: I3e30e84bf8043c3df96a6ab56cd077eef2632173 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5373 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 20:09:55 +01:00
#define ELF_PARSE_ALL (-1)
/*
* Parse an ELF file contained within provide struct buffer. The ELF header
* is always parsed while the flags value containing the ELF_PARSE_* values
* determine if other parts of the ELF file will be parsed as well.
* Returns 0 on success, < 0 error.
*/
int parse_elf(const struct buffer *pinput, struct parsed_elf *pelf, int flags);
/*
* Clean up memory associated with parsed_elf.
*/
void parsed_elf_destroy(struct parsed_elf *pelf);
cbfstool: add eflparsing.h elfparsing.h serves as the header to working with the elf parser. Additionally, only include what is needed by the other files. Many had no reason to be including elf.h aside from fixing compilation problems when including cbfs.h. Change-Id: I9eb5f09f3122aa18beeca52d2e4dc2102d70fb9d Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/5370 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Marc Jones <marc.jones@se-eng.com>
2014-03-05 19:12:09 +01:00
int
elf_headers(const struct buffer *pinput,
uint32_t arch,
Elf64_Ehdr *ehdr,
Elf64_Phdr **pphdr,
Elf64_Shdr **pshdr);
#endif /* ELFPARSING_H */