1 /* UndefinedBehaviorSanitizer, undefined behavior detector. 2 Copyright (C) 2013-2014 Free Software Foundation, Inc. 3 Contributed by Marek Polacek <polacek@redhat.com> 4 5 This file is part of GCC. 6 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 10 version. 11 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 15 for more details. 16 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/>. */ 20 21 #ifndef GCC_UBSAN_H 22 #define GCC_UBSAN_H 23 24 /* The various kinds of NULL pointer checks. */ 25 enum ubsan_null_ckind { 26 UBSAN_LOAD_OF, 27 UBSAN_STORE_OF, 28 UBSAN_REF_BINDING, 29 UBSAN_MEMBER_ACCESS, 30 UBSAN_MEMBER_CALL 31 }; 32 33 /* An extra data used by ubsan pointer checking. */ 34 struct ubsan_mismatch_data { 35 tree align; 36 tree ckind; 37 }; 38 39 extern void ubsan_expand_null_ifn (gimple_stmt_iterator); 40 extern tree ubsan_instrument_unreachable (location_t); 41 extern tree ubsan_create_data (const char *, const location_t *, 42 const struct ubsan_mismatch_data *, ...); 43 extern tree ubsan_type_descriptor (tree, bool); 44 extern tree ubsan_encode_value (tree, bool = false); 45 extern bool is_ubsan_builtin_p (tree); 46 extern tree ubsan_build_overflow_builtin (tree_code, location_t, tree, tree, tree); 47 48 #endif /* GCC_UBSAN_H */ 49 50