1/*
2 * Copyright (C) 2014 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef AddressSanitizer_h
32#define AddressSanitizer_h
33
34// FIXME: Add SyZyASan support?
35#if defined(ADDRESS_SANITIZER)
36#include <sanitizer/asan_interface.h>
37#else
38#define ASAN_POISON_MEMORY_REGION(addr, size)   \
39    ((void)(addr), (void)(size))
40#define ASAN_UNPOISON_MEMORY_REGION(addr, size) \
41    ((void)(addr), (void)(size))
42#endif
43
44#if defined(LEAK_SANITIZER)
45#include <sanitizer/lsan_interface.h>
46#else
47#define __lsan_register_root_region(addr, size) ((void)(addr), (void)(size))
48#define __lsan_unregister_root_region(addr, size) ((void)(addr), (void)(size))
49#endif
50
51// FIXME: Have to handle (ADDRESS_SANITIZER && _WIN32) differently as it uses
52// both Clang (which supports the __attribute__ syntax) and CL (which doesn't)
53// as long as we use "clang-cl /fallback". This shouldn't be needed when Clang
54// handles all the code without falling back to CL.
55#if defined(ADDRESS_SANITIZER) && (!OS(WIN) || COMPILER(CLANG))
56#define NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address))
57#else
58#define NO_SANITIZE_ADDRESS
59#endif
60
61const size_t asanMagic = 0xabefeed0;
62const size_t asanDeferMemoryReuseCount = 2;
63const size_t asanDeferMemoryReuseMask = 0x3;
64
65#endif
66