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