1*0b57cec5SDimitry Andric //===-- asan_init_version.h -------------------------------------*- C++ -*-===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric // 9*0b57cec5SDimitry Andric // This file is a part of AddressSanitizer, an address sanity checker. 10*0b57cec5SDimitry Andric // 11*0b57cec5SDimitry Andric // This header defines a versioned __asan_init function to be called at the 12*0b57cec5SDimitry Andric // startup of the instrumented program. 13*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 14*0b57cec5SDimitry Andric #ifndef ASAN_INIT_VERSION_H 15*0b57cec5SDimitry Andric #define ASAN_INIT_VERSION_H 16*0b57cec5SDimitry Andric 17*0b57cec5SDimitry Andric #include "sanitizer_common/sanitizer_platform.h" 18*0b57cec5SDimitry Andric 19*0b57cec5SDimitry Andric extern "C" { 20*0b57cec5SDimitry Andric // Every time the ASan ABI changes we also change the version number in the 21*0b57cec5SDimitry Andric // __asan_init function name. Objects built with incompatible ASan ABI 22*0b57cec5SDimitry Andric // versions will not link with run-time. 23*0b57cec5SDimitry Andric // 24*0b57cec5SDimitry Andric // Changes between ABI versions: 25*0b57cec5SDimitry Andric // v1=>v2: added 'module_name' to __asan_global 26*0b57cec5SDimitry Andric // v2=>v3: stack frame description (created by the compiler) 27*0b57cec5SDimitry Andric // contains the function PC as the 3rd field (see 28*0b57cec5SDimitry Andric // DescribeAddressIfStack) 29*0b57cec5SDimitry Andric // v3=>v4: added '__asan_global_source_location' to __asan_global 30*0b57cec5SDimitry Andric // v4=>v5: changed the semantics and format of __asan_stack_malloc_ and 31*0b57cec5SDimitry Andric // __asan_stack_free_ functions 32*0b57cec5SDimitry Andric // v5=>v6: changed the name of the version check symbol 33*0b57cec5SDimitry Andric // v6=>v7: added 'odr_indicator' to __asan_global 34*0b57cec5SDimitry Andric // v7=>v8: added '__asan_(un)register_image_globals' functions for dead 35*0b57cec5SDimitry Andric // stripping support on Mach-O platforms 36*0b57cec5SDimitry Andric #if SANITIZER_WORDSIZE == 32 && SANITIZER_ANDROID 37*0b57cec5SDimitry Andric // v8=>v9: 32-bit Android switched to dynamic shadow 38*0b57cec5SDimitry Andric #define __asan_version_mismatch_check __asan_version_mismatch_check_v9 39*0b57cec5SDimitry Andric #else 40*0b57cec5SDimitry Andric #define __asan_version_mismatch_check __asan_version_mismatch_check_v8 41*0b57cec5SDimitry Andric #endif 42*0b57cec5SDimitry Andric } 43*0b57cec5SDimitry Andric 44*0b57cec5SDimitry Andric #endif // ASAN_INIT_VERSION_H 45