1/* UndefinedBehaviorSanitizer, undefined behavior detector.
2 Copyright (C) 2013-2017 Free Software Foundation, Inc.
3 Contributed by Marek Polacek <polacek@redhat.com>
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21#ifndef GCC_UBSAN_H
22#define GCC_UBSAN_H
23
24/* The various kinds of NULL pointer checks. */
25enum ubsan_null_ckind {
26 UBSAN_LOAD_OF,
27 UBSAN_STORE_OF,
28 UBSAN_REF_BINDING,
29 UBSAN_MEMBER_ACCESS,
30 UBSAN_MEMBER_CALL,
31 UBSAN_CTOR_CALL,
32 UBSAN_DOWNCAST_POINTER,
33 UBSAN_DOWNCAST_REFERENCE,
34 UBSAN_UPCAST,
35 UBSAN_CAST_TO_VBASE
36};
37
38/* This controls how ubsan prints types. Used in ubsan_type_descriptor. */
39enum ubsan_print_style {
40 UBSAN_PRINT_NORMAL,
41 UBSAN_PRINT_POINTER,
42 UBSAN_PRINT_ARRAY
43};
44
45/* This controls ubsan_encode_value behavior. */
46enum ubsan_encode_value_phase {
47 UBSAN_ENCODE_VALUE_GENERIC,
48 UBSAN_ENCODE_VALUE_GIMPLE,
49 UBSAN_ENCODE_VALUE_RTL
50};
51
52extern bool ubsan_expand_bounds_ifn (gimple_stmt_iterator *);
53extern bool ubsan_expand_null_ifn (gimple_stmt_iterator *);
54extern bool ubsan_expand_objsize_ifn (gimple_stmt_iterator *);
55extern bool ubsan_expand_ptr_ifn (gimple_stmt_iterator *);
56extern bool ubsan_expand_vptr_ifn (gimple_stmt_iterator *);
57extern bool ubsan_instrument_unreachable (gimple_stmt_iterator *);
58extern tree ubsan_create_data (const char *, int, const location_t *, ...);
59extern tree ubsan_type_descriptor (tree, ubsan_print_style
60 = UBSAN_PRINT_NORMAL);
61extern tree ubsan_encode_value (tree, ubsan_encode_value_phase
62 = UBSAN_ENCODE_VALUE_GENERIC);
63extern bool is_ubsan_builtin_p (tree);
64extern tree ubsan_build_overflow_builtin (tree_code, location_t, tree, tree,
65 tree, tree *);
66extern tree ubsan_instrument_float_cast (location_t, tree, tree);
67extern tree ubsan_get_source_location_type (void);
68
69#endif /* GCC_UBSAN_H */
70