libsanitizer/ubsan/ubsan_flags.h

   1 //===-- ubsan_flags.h -------------------------------------------*- C++ -*-===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // Runtime flags for UndefinedBehaviorSanitizer.
   9 //
  10 //===----------------------------------------------------------------------===//
  11 #ifndef UBSAN_FLAGS_H
  12 #define UBSAN_FLAGS_H
  13
  14 #include "sanitizer_common/sanitizer_internal_defs.h"
  15
  16 namespace __sanitizer {
  17 class FlagParser;
  18 }
  19
  20 namespace __ubsan {
  21
  22 struct Flags {
  23 #define UBSAN_FLAG(Type, Name, DefaultValue, Description) Type Name;
  24 #include "ubsan_flags.inc"
  25 #undef UBSAN_FLAG
  26
  27   void SetDefaults();
  28 };
  29
  30 extern Flags ubsan_flags;
  31 inline Flags *flags() { return &ubsan_flags; }
  32
  33 void InitializeFlags();
  34 void RegisterUbsanFlags(FlagParser *parser, Flags *f);
  35
  36 const char *MaybeCallUbsanDefaultOptions();
  37
  38 }  // namespace __ubsan
  39
  40 extern "C" {
  41 // Users may provide their own implementation of __ubsan_default_options to
  42 // override the default flag values.
  43 SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
  44 const char *__ubsan_default_options();
  45 }  // extern "C"
  46
  47 #endif  // UBSAN_FLAGS_H