1 //===-- ubsan_flags.h -------------------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // Runtime flags for UndefinedBehaviorSanitizer.
10 //
11 //===----------------------------------------------------------------------===//
12 #ifndef UBSAN_FLAGS_H
13 #define UBSAN_FLAGS_H
14 
15 #include "sanitizer_common/sanitizer_internal_defs.h"
16 
17 namespace __sanitizer {
18 class FlagParser;
19 }
20 
21 namespace __ubsan {
22 
23 struct Flags {
24 #define UBSAN_FLAG(Type, Name, DefaultValue, Description) Type Name;
25 #include "ubsan_flags.inc"
26 #undef UBSAN_FLAG
27 
28   void SetDefaults();
29 };
30 
31 extern Flags ubsan_flags;
32 inline Flags *flags() { return &ubsan_flags; }
33 
34 void InitializeFlags();
35 void RegisterUbsanFlags(FlagParser *parser, Flags *f);
36 
37 const char *MaybeCallUbsanDefaultOptions();
38 
39 }  // namespace __ubsan
40 
41 extern "C" {
42 // Users may provide their own implementation of __ubsan_default_options to
43 // override the default flag values.
44 SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
45 const char *__ubsan_default_options();
46 }  // extern "C"
47 
48 #endif  // UBSAN_FLAGS_H
49