libsanitizer/asan/asan_init_version.h

   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