libsanitizer/asan/asan_flags.h

   1 //===-- asan_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 // This file is a part of AddressSanitizer, an address sanity checker.
  10 //
  11 // ASan runtime flags.
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef ASAN_FLAGS_H
  15 #define ASAN_FLAGS_H
  16
  17 #include "sanitizer_common/sanitizer_internal_defs.h"
  18 #include "sanitizer_common/sanitizer_flag_parser.h"
  19
  20 // ASan flag values can be defined in four ways:
  21 // 1) initialized with default values at startup.
  22 // 2) overriden during compilation of ASan runtime by providing
  23 //    compile definition ASAN_DEFAULT_OPTIONS.
  24 // 3) overriden from string returned by user-specified function
  25 //    __asan_default_options().
  26 // 4) overriden from env variable ASAN_OPTIONS.
  27 // 5) overriden during ASan activation (for now used on Android only).
  28
  29 namespace __asan {
  30
  31 struct Flags {
  32 #define ASAN_FLAG(Type, Name, DefaultValue, Description) Type Name;
  33 #include "asan_flags.inc"
  34 #undef ASAN_FLAG
  35
  36   void SetDefaults();
  37 };
  38
  39 extern Flags asan_flags_dont_use_directly;
  40 inline Flags *flags() {
  41   return &asan_flags_dont_use_directly;
  42 }
  43
  44 void InitializeFlags();
  45
  46 }  // namespace __asan
  47
  48 #endif  // ASAN_FLAGS_H