1 //===-- asan_init_version.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 // This header defines a versioned __asan_init function to be called at the 12 // startup of the instrumented program. 13 //===----------------------------------------------------------------------===// 14 #ifndef ASAN_INIT_VERSION_H 15 #define ASAN_INIT_VERSION_H 16 17 #include "sanitizer_common/sanitizer_platform.h" 18 19 extern "C" { 20 // Every time the ASan ABI changes we also change the version number in the 21 // __asan_init function name. Objects built with incompatible ASan ABI 22 // versions will not link with run-time. 23 // 24 // Changes between ABI versions: 25 // v1=>v2: added 'module_name' to __asan_global 26 // v2=>v3: stack frame description (created by the compiler) 27 // contains the function PC as the 3rd field (see 28 // DescribeAddressIfStack) 29 // v3=>v4: added '__asan_global_source_location' to __asan_global 30 // v4=>v5: changed the semantics and format of __asan_stack_malloc_ and 31 // __asan_stack_free_ functions 32 // v5=>v6: changed the name of the version check symbol 33 // v6=>v7: added 'odr_indicator' to __asan_global 34 // v7=>v8: added '__asan_(un)register_image_globals' functions for dead 35 // stripping support on Mach-O platforms 36 #if SANITIZER_WORDSIZE == 32 && SANITIZER_ANDROID 37 // v8=>v9: 32-bit Android switched to dynamic shadow 38 #define __asan_version_mismatch_check __asan_version_mismatch_check_v9 39 #else 40 #define __asan_version_mismatch_check __asan_version_mismatch_check_v8 41 #endif 42 } 43 44 #endif // ASAN_INIT_VERSION_H 45