50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
|
/* 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 *);
|
||
|
|
const value_range *get_value_range (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
|