/* * 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>#include <linux/hashtable.h> #ifdef LIBELF_USE_DEPRECATED# define elf_getshdrnum    elf_getshnum# define elf_getshdrstrndx elf_getshstrndx#endif struct section {	struct list_head list;	GElf_Shdr sh;	struct list_head symbol_list;	DECLARE_HASHTABLE(symbol_hash, 8);	struct list_head rela_list;	DECLARE_HASHTABLE(rela_hash, 16);	struct section *base, *rela;	struct symbol *sym;	Elf_Data *data;	char *name;	int idx;	unsigned int len;}; struct symbol {	struct list_head list;	struct hlist_node hash;	GElf_Sym sym;	struct section *sec;	char *name;	unsigned int idx;	unsigned char bind, type;	unsigned long offset;	unsigned int len;}; struct rela {	struct list_head list;	struct hlist_node hash;	GElf_Rela rela;	struct symbol *sym;	unsigned int type;	unsigned long offset;	int addend;}; struct elf {	Elf *elf;	GElf_Ehdr ehdr;	int fd;	char *name;	struct list_head sections;	DECLARE_HASHTABLE(rela_hash, 16);};  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 symbol *find_symbol_containing(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); #define for_each_sec(file, sec)						\	list_for_each_entry(sec, &file->elf->sections, list) #endif /* _OBJTOOL_ELF_H */