| Josh Poimboeuf | 442f04c | 2016-02-28 22:22:41 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version 2 |
| 7 | * of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #ifndef _OBJTOOL_ELF_H |
| 19 | #define _OBJTOOL_ELF_H |
| 20 | |
| 21 | #include <stdio.h> |
| 22 | #include <gelf.h> |
| 23 | #include <linux/list.h> |
| 24 | |
| 25 | struct section { |
| 26 | struct list_head list; |
| 27 | GElf_Shdr sh; |
| 28 | struct list_head symbols; |
| 29 | struct list_head relas; |
| 30 | struct section *base, *rela; |
| 31 | struct symbol *sym; |
| 32 | Elf_Data *elf_data; |
| 33 | char *name; |
| 34 | int idx; |
| 35 | unsigned long data; |
| 36 | unsigned int len; |
| 37 | }; |
| 38 | |
| 39 | struct symbol { |
| 40 | struct list_head list; |
| 41 | GElf_Sym sym; |
| 42 | struct section *sec; |
| 43 | char *name; |
| 44 | int idx; |
| 45 | unsigned char bind, type; |
| 46 | unsigned long offset; |
| 47 | unsigned int len; |
| 48 | }; |
| 49 | |
| 50 | struct rela { |
| 51 | struct list_head list; |
| 52 | GElf_Rela rela; |
| 53 | struct symbol *sym; |
| 54 | unsigned int type; |
| 55 | int offset; |
| 56 | int addend; |
| 57 | }; |
| 58 | |
| 59 | struct elf { |
| 60 | Elf *elf; |
| 61 | GElf_Ehdr ehdr; |
| 62 | int fd; |
| 63 | char *name; |
| 64 | struct list_head sections; |
| 65 | }; |
| 66 | |
| 67 | |
| 68 | struct elf *elf_open(const char *name); |
| 69 | struct section *find_section_by_name(struct elf *elf, const char *name); |
| 70 | struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset); |
| 71 | struct rela *find_rela_by_dest(struct section *sec, unsigned long offset); |
| 72 | struct rela *find_rela_by_dest_range(struct section *sec, unsigned long offset, |
| 73 | unsigned int len); |
| 74 | struct symbol *find_containing_func(struct section *sec, unsigned long offset); |
| 75 | void elf_close(struct elf *elf); |
| 76 | |
| 77 | |
| 78 | |
| 79 | #endif /* _OBJTOOL_ELF_H */ |