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      1  1.1  mrg //===-- asan_init_version.h -------------------------------------*- C++ -*-===//
      2  1.1  mrg //
      3  1.3  mrg // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
      4  1.3  mrg // See https://llvm.org/LICENSE.txt for license information.
      5  1.3  mrg // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
      6  1.1  mrg //
      7  1.1  mrg //===----------------------------------------------------------------------===//
      8  1.1  mrg //
      9  1.1  mrg // This file is a part of AddressSanitizer, an address sanity checker.
     10  1.1  mrg //
     11  1.1  mrg // This header defines a versioned __asan_init function to be called at the
     12  1.1  mrg // startup of the instrumented program.
     13  1.1  mrg //===----------------------------------------------------------------------===//
     14  1.1  mrg #ifndef ASAN_INIT_VERSION_H
     15  1.1  mrg #define ASAN_INIT_VERSION_H
     16  1.1  mrg 
     17  1.2  mrg #include "sanitizer_common/sanitizer_platform.h"
     18  1.2  mrg 
     19  1.1  mrg extern "C" {
     20  1.1  mrg   // Every time the ASan ABI changes we also change the version number in the
     21  1.1  mrg   // __asan_init function name.  Objects built with incompatible ASan ABI
     22  1.1  mrg   // versions will not link with run-time.
     23  1.2  mrg   //
     24  1.1  mrg   // Changes between ABI versions:
     25  1.1  mrg   // v1=>v2: added 'module_name' to __asan_global
     26  1.1  mrg   // v2=>v3: stack frame description (created by the compiler)
     27  1.2  mrg   //         contains the function PC as the 3rd field (see
     28  1.2  mrg   //         DescribeAddressIfStack)
     29  1.2  mrg   // v3=>v4: added '__asan_global_source_location' to __asan_global
     30  1.2  mrg   // v4=>v5: changed the semantics and format of __asan_stack_malloc_ and
     31  1.2  mrg   //         __asan_stack_free_ functions
     32  1.2  mrg   // v5=>v6: changed the name of the version check symbol
     33  1.2  mrg   // v6=>v7: added 'odr_indicator' to __asan_global
     34  1.2  mrg   // v7=>v8: added '__asan_(un)register_image_globals' functions for dead
     35  1.2  mrg   //         stripping support on Mach-O platforms
     36  1.2  mrg #if SANITIZER_WORDSIZE == 32 && SANITIZER_ANDROID
     37  1.2  mrg   // v8=>v9: 32-bit Android switched to dynamic shadow
     38  1.2  mrg   #define __asan_version_mismatch_check __asan_version_mismatch_check_v9
     39  1.2  mrg #else
     40  1.2  mrg   #define __asan_version_mismatch_check __asan_version_mismatch_check_v8
     41  1.2  mrg #endif
     42  1.1  mrg }
     43  1.1  mrg 
     44  1.1  mrg #endif  // ASAN_INIT_VERSION_H
     45