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 49