powerpc/mm/4k: don't allocate larger pmd page table for 4k
[linux/fpc-iii.git] / tools / objtool / elf.h
blobaa1ff6596684f9304d0dd4bd3165f819b4dcdaf7
1 /*
2 * Copyright (C) 2015 Josh Poimboeuf <jpoimboe@redhat.com>
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.
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.
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/>.
18 #ifndef _OBJTOOL_ELF_H
19 #define _OBJTOOL_ELF_H
21 #include <stdio.h>
22 #include <gelf.h>
23 #include <linux/list.h>
24 #include <linux/hashtable.h>
26 #ifdef LIBELF_USE_DEPRECATED
27 # define elf_getshdrnum elf_getshnum
28 # define elf_getshdrstrndx elf_getshstrndx
29 #endif
31 struct section {
32 struct list_head list;
33 GElf_Shdr sh;
34 struct list_head symbol_list;
35 DECLARE_HASHTABLE(symbol_hash, 8);
36 struct list_head rela_list;
37 DECLARE_HASHTABLE(rela_hash, 16);
38 struct section *base, *rela;
39 struct symbol *sym;
40 Elf_Data *elf_data;
41 char *name;
42 int idx;
43 unsigned long data;
44 unsigned int len;
47 struct symbol {
48 struct list_head list;
49 struct hlist_node hash;
50 GElf_Sym sym;
51 struct section *sec;
52 char *name;
53 unsigned int idx;
54 unsigned char bind, type;
55 unsigned long offset;
56 unsigned int len;
59 struct rela {
60 struct list_head list;
61 struct hlist_node hash;
62 GElf_Rela rela;
63 struct symbol *sym;
64 unsigned int type;
65 unsigned long offset;
66 int addend;
69 struct elf {
70 Elf *elf;
71 GElf_Ehdr ehdr;
72 int fd;
73 char *name;
74 struct list_head sections;
75 DECLARE_HASHTABLE(rela_hash, 16);
79 struct elf *elf_open(const char *name);
80 struct section *find_section_by_name(struct elf *elf, const char *name);
81 struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset);
82 struct rela *find_rela_by_dest(struct section *sec, unsigned long offset);
83 struct rela *find_rela_by_dest_range(struct section *sec, unsigned long offset,
84 unsigned int len);
85 struct symbol *find_containing_func(struct section *sec, unsigned long offset);
86 void elf_close(struct elf *elf);
90 #endif /* _OBJTOOL_ELF_H */