1 /* UndefinedBehaviorSanitizer, undefined behavior detector.
2 Copyright (C) 2013-2016 Free Software Foundation, Inc.
3 Contributed by Marek Polacek <polacek@redhat.com>
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
24 /* The various kinds of NULL pointer checks. */
25 enum ubsan_null_ckind {
32 UBSAN_DOWNCAST_POINTER,
33 UBSAN_DOWNCAST_REFERENCE,
38 /* This controls how ubsan prints types. Used in ubsan_type_descriptor. */
39 enum ubsan_print_style {
45 extern bool do_ubsan_in_current_function (void);
46 extern bool ubsan_expand_bounds_ifn (gimple_stmt_iterator *);
47 extern bool ubsan_expand_null_ifn (gimple_stmt_iterator *);
48 extern bool ubsan_expand_objsize_ifn (gimple_stmt_iterator *);
49 extern bool ubsan_expand_vptr_ifn (gimple_stmt_iterator *);
50 extern bool ubsan_instrument_unreachable (gimple_stmt_iterator *);
51 extern tree ubsan_create_data (const char *, int, const location_t *, ...);
52 extern tree ubsan_type_descriptor (tree, enum ubsan_print_style = UBSAN_PRINT_NORMAL);
53 extern tree ubsan_encode_value (tree, bool = false);
54 extern bool is_ubsan_builtin_p (tree);
55 extern tree ubsan_build_overflow_builtin (tree_code, location_t, tree, tree, tree);
56 extern tree ubsan_instrument_float_cast (location_t, tree, tree);
57 extern tree ubsan_get_source_location_type (void);
59 #endif /* GCC_UBSAN_H */