1 //===-- asan_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 // This file is a part of AddressSanitizer, an address sanity checker. 9 // 10 // ASan runtime flags. 11 //===----------------------------------------------------------------------===// 12 13 #ifndef ASAN_FLAGS_H 14 #define ASAN_FLAGS_H 15 16 #include "sanitizer_common/sanitizer_internal_defs.h" 17 #include "sanitizer_common/sanitizer_flag_parser.h" 18 19 // ASan flag values can be defined in four ways: 20 // 1) initialized with default values at startup. 21 // 2) overriden during compilation of ASan runtime by providing 22 // compile definition ASAN_DEFAULT_OPTIONS. 23 // 3) overriden from string returned by user-specified function 24 // __asan_default_options(). 25 // 4) overriden from env variable ASAN_OPTIONS. 26 // 5) overriden during ASan activation (for now used on Android only). 27 28 namespace __asan { 29 30 struct Flags { 31 #define ASAN_FLAG(Type, Name, DefaultValue, Description) Type Name; 32 #include "asan_flags.inc" 33 #undef ASAN_FLAG 34 35 void SetDefaults(); 36 }; 37 38 extern Flags asan_flags_dont_use_directly; flags()39inline Flags *flags() { 40 return &asan_flags_dont_use_directly; 41 } 42 43 void InitializeFlags(); 44 45 } // namespace __asan 46 47 #endif // ASAN_FLAGS_H 48