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
|
/* Array bounds checking.
Copyright (C) 2020-2023 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_GIMPLE_ARRAY_BOUNDS_H
#define GCC_GIMPLE_ARRAY_BOUNDS_H
#include "pointer-query.h"
class array_bounds_checker
{
friend class check_array_bounds_dom_walker;
public:
array_bounds_checker (struct function *, range_query *);
void check ();
private:
static tree check_array_bounds (tree *tp, int *walk_subtree, void *data);
bool check_array_ref (location_t, tree, gimple *, bool ignore_off_by_one);
bool check_mem_ref (location_t, tree, bool ignore_off_by_one);
void check_addr_expr (location_t, tree, gimple *);
void get_value_range (irange &r, const_tree op, gimple *);
/* Current function. */
struct function *fun;
/* A pointer_query object to store information about pointers and
their targets in. */
pointer_query m_ptr_qry;
/* Current statement. */
gimple *m_stmt;
};
#endif // GCC_GIMPLE_ARRAY_BOUNDS_H
|
