Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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"
23#include "cfi.h"
24#include "arch.h"
25#include <linux/hashtable.h>
26
27struct 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
36struct instruction {
37 struct list_head list;
38 struct hlist_node hash;
39 struct section *sec;
40 unsigned long offset;
41 unsigned int len;
42 unsigned char type;
43 unsigned long immediate;
44 bool alt_group, visited, dead_end, ignore;
45 struct symbol *call_dest;
46 struct instruction *jump_dest;
47 struct list_head alts;
48 struct symbol *func;
49 struct stack_op stack_op;
50 struct insn_state state;
51};
52
53struct 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
61int check(const char *objname, bool nofp);
62
63#define for_each_insn(file, insn) \
64 list_for_each_entry(insn, &file->insn_list, list)
65
66#endif /* _CHECK_H */