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Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h')
-rw-r--r-- | contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h b/contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h new file mode 100644 index 000000000000..b806d794e056 --- /dev/null +++ b/contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h @@ -0,0 +1,44 @@ +//===-- asan_init_version.h -------------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file is a part of AddressSanitizer, an address sanity checker. +// +// This header defines a versioned __asan_init function to be called at the +// startup of the instrumented program. +//===----------------------------------------------------------------------===// +#ifndef ASAN_INIT_VERSION_H +#define ASAN_INIT_VERSION_H + +#include "sanitizer_common/sanitizer_platform.h" + +extern "C" { + // Every time the ASan ABI changes we also change the version number in the + // __asan_init function name. Objects built with incompatible ASan ABI + // versions will not link with run-time. + // + // Changes between ABI versions: + // v1=>v2: added 'module_name' to __asan_global + // v2=>v3: stack frame description (created by the compiler) + // contains the function PC as the 3rd field (see + // DescribeAddressIfStack) + // v3=>v4: added '__asan_global_source_location' to __asan_global + // v4=>v5: changed the semantics and format of __asan_stack_malloc_ and + // __asan_stack_free_ functions + // v5=>v6: changed the name of the version check symbol + // v6=>v7: added 'odr_indicator' to __asan_global + // v7=>v8: added '__asan_(un)register_image_globals' functions for dead + // stripping support on Mach-O platforms +#if SANITIZER_WORDSIZE == 32 && SANITIZER_ANDROID + // v8=>v9: 32-bit Android switched to dynamic shadow + #define __asan_version_mismatch_check __asan_version_mismatch_check_v9 +#else + #define __asan_version_mismatch_check __asan_version_mismatch_check_v8 +#endif +} + +#endif // ASAN_INIT_VERSION_H |