libsanitizer/asan/asan_init_version.h

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