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