Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
4 */
5
6#ifndef _CHECK_H
7#define _CHECK_H
8
9#include <stdbool.h>
10#include "elf.h"
11#include "cfi.h"
12#include "arch.h"
13#include "orc.h"
14#include <linux/hashtable.h>
15
16struct insn_state {
17 struct cfi_reg cfa;
18 struct cfi_reg regs[CFI_NUM_REGS];
19 int stack_size;
20 unsigned char type;
21 bool bp_scratch;
22 bool drap, end, uaccess, df;
23 unsigned int uaccess_stack;
24 int drap_reg, drap_offset;
25 struct cfi_reg vals[CFI_NUM_REGS];
26};
27
28struct instruction {
29 struct list_head list;
30 struct hlist_node hash;
31 struct section *sec;
32 unsigned long offset;
33 unsigned int len;
34 unsigned char type;
35 unsigned long immediate;
36 bool alt_group, visited, dead_end, ignore, hint, save, restore, ignore_alts;
37 bool retpoline_safe;
38 struct symbol *call_dest;
39 struct instruction *jump_dest;
40 struct instruction *first_jump_src;
41 struct list_head alts;
42 struct symbol *func;
43 struct stack_op stack_op;
44 struct insn_state state;
45 struct orc_entry orc;
46};
47
48struct objtool_file {
49 struct elf *elf;
50 struct list_head insn_list;
51 DECLARE_HASHTABLE(insn_hash, 16);
52 bool ignore_unreachables, c_file, hints, rodata;
53};
54
55int check(const char *objname, bool orc);
56
57struct instruction *find_insn(struct objtool_file *file,
58 struct section *sec, unsigned long offset);
59
60#define for_each_insn(file, insn) \
61 list_for_each_entry(insn, &file->insn_list, list)
62
63#define sec_for_each_insn(file, sec, insn) \
64 for (insn = find_insn(file, sec, 0); \
65 insn && &insn->list != &file->insn_list && \
66 insn->sec == sec; \
67 insn = list_next_entry(insn, list))
68
69
70#endif /* _CHECK_H */