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 29namespace __asan { 30 31struct 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 39extern Flags asan_flags_dont_use_directly; 40inline Flags *flags() { 41 return &asan_flags_dont_use_directly; 42} 43 44void InitializeFlags(); 45 46} // namespace __asan 47 48#endif // ASAN_FLAGS_H 49