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) overridden during compilation of ASan runtime by providing
23// compile definition ASAN_DEFAULT_OPTIONS.
24// 3) overridden from string returned by user-specified function
25// __asan_default_options().
26// 4) overridden from env variable ASAN_OPTIONS.
27// 5) overridden 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