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/*
* Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _OBJTOOL_ELF_H
#define _OBJTOOL_ELF_H
#include <stdio.h>
#include <gelf.h>
#include <linux/list.h>
struct section {
struct list_head list;
GElf_Shdr sh;
struct list_head symbol_list;
struct list_head rela_list;
struct section *base, *rela;
struct symbol *sym;
Elf_Data *elf_data;
char *name;
int idx;
unsigned long data;
unsigned int len;
};
struct symbol {
struct list_head list;
GElf_Sym sym;
struct section *sec;
char *name;
int idx;
unsigned char bind, type;
unsigned long offset;
unsigned int len;
};
struct rela {
struct list_head list;
GElf_Rela rela;
struct symbol *sym;
unsigned int type;
int offset;
int addend;
};
struct elf {
Elf *elf;
GElf_Ehdr ehdr;
int fd;
char *name;
struct list_head sections;
};
struct elf *elf_open(const char *name);
struct section *find_section_by_name(struct elf *elf, const char *name);
struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset);
struct rela *find_rela_by_dest(struct section *sec, unsigned long offset);
struct rela *find_rela_by_dest_range(struct section *sec, unsigned long offset,
unsigned int len);
struct symbol *find_containing_func(struct section *sec, unsigned long offset);
void elf_close(struct elf *elf);
#endif /* _OBJTOOL_ELF_H */
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