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dcc914f4 JP |
1 | /* |
2 | * Copyright (C) 2017 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 _CHECK_H | |
19 | #define _CHECK_H | |
20 | ||
21 | #include <stdbool.h> | |
22 | #include "elf.h" | |
baa41469 | 23 | #include "cfi.h" |
dcc914f4 JP |
24 | #include "arch.h" |
25 | #include <linux/hashtable.h> | |
26 | ||
baa41469 JP |
27 | struct insn_state { |
28 | struct cfi_reg cfa; | |
29 | struct cfi_reg regs[CFI_NUM_REGS]; | |
30 | int stack_size; | |
31 | bool bp_scratch; | |
32 | bool drap; | |
33 | int drap_reg; | |
34 | }; | |
35 | ||
dcc914f4 JP |
36 | struct instruction { |
37 | struct list_head list; | |
38 | struct hlist_node hash; | |
39 | struct section *sec; | |
40 | unsigned long offset; | |
baa41469 | 41 | unsigned int len; |
dcc914f4 JP |
42 | unsigned char type; |
43 | unsigned long immediate; | |
baa41469 | 44 | bool alt_group, visited, dead_end, ignore; |
dcc914f4 JP |
45 | struct symbol *call_dest; |
46 | struct instruction *jump_dest; | |
47 | struct list_head alts; | |
48 | struct symbol *func; | |
baa41469 JP |
49 | struct stack_op stack_op; |
50 | struct insn_state state; | |
dcc914f4 JP |
51 | }; |
52 | ||
53 | struct objtool_file { | |
54 | struct elf *elf; | |
55 | struct list_head insn_list; | |
56 | DECLARE_HASHTABLE(insn_hash, 16); | |
57 | struct section *rodata, *whitelist; | |
58 | bool ignore_unreachables, c_file; | |
59 | }; | |
60 | ||
61 | int check(const char *objname, bool nofp); | |
62 | ||
baa41469 JP |
63 | #define for_each_insn(file, insn) \ |
64 | list_for_each_entry(insn, &file->insn_list, list) | |
65 | ||
dcc914f4 | 66 | #endif /* _CHECK_H */ |