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 61 const size_t asanMagic = 0xabefeed0; 62 const size_t asanDeferMemoryReuseCount = 2; 63 const size_t asanDeferMemoryReuseMask = 0x3; 64 65 #endif 66
