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 "cfi.h"
11 #include "arch.h"
12
13 struct insn_state {
14 struct cfi_state cfi;
15 unsigned int uaccess_stack;
16 bool uaccess;
17 bool df;
18 bool noinstr;
19 s8 instr;
20 };
21
22 struct instruction {
23 struct list_head list;
24 struct hlist_node hash;
25 struct section *sec;
26 unsigned long offset;
27 unsigned int len;
28 enum insn_type type;
29 unsigned long immediate;
30 bool dead_end, ignore, ignore_alts;
31 bool hint;
32 bool retpoline_safe;
33 s8 instr;
34 u8 visited;
35 u8 ret_offset;
36 int alt_group;
37 struct symbol *call_dest;
38 struct instruction *jump_dest;
39 struct instruction *first_jump_src;
40 struct reloc *jump_table;
41 struct list_head alts;
42 struct symbol *func;
43 struct list_head stack_ops;
44 struct cfi_state cfi;
45 struct orc_entry orc;
46 };
47
48 struct instruction *find_insn(struct objtool_file *file,
49 struct section *sec, unsigned long offset);
50
51 #define for_each_insn(file, insn) \
52 list_for_each_entry(insn, &file->insn_list, list)
53
54 #define sec_for_each_insn(file, sec, insn) \
55 for (insn = find_insn(file, sec, 0); \
56 insn && &insn->list != &file->insn_list && \
57 insn->sec == sec; \
58 insn = list_next_entry(insn, list))
59
60
61 #endif /* _CHECK_H */
62
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