asan_init_version.h revision 341825
1//===-- asan_init_version.h -------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of AddressSanitizer, an address sanity checker.
11//
12// This header defines a versioned __asan_init function to be called at the
13// startup of the instrumented program.
14//===----------------------------------------------------------------------===//
15#ifndef ASAN_INIT_VERSION_H
16#define ASAN_INIT_VERSION_H
17
18#include "sanitizer_common/sanitizer_platform.h"
19
20extern "C" {
21  // Every time the ASan ABI changes we also change the version number in the
22  // __asan_init function name.  Objects built with incompatible ASan ABI
23  // versions will not link with run-time.
24  //
25  // Changes between ABI versions:
26  // v1=>v2: added 'module_name' to __asan_global
27  // v2=>v3: stack frame description (created by the compiler)
28  //         contains the function PC as the 3rd field (see
29  //         DescribeAddressIfStack)
30  // v3=>v4: added '__asan_global_source_location' to __asan_global
31  // v4=>v5: changed the semantics and format of __asan_stack_malloc_ and
32  //         __asan_stack_free_ functions
33  // v5=>v6: changed the name of the version check symbol
34  // v6=>v7: added 'odr_indicator' to __asan_global
35  // v7=>v8: added '__asan_(un)register_image_globals' functions for dead
36  //         stripping support on Mach-O platforms
37#if SANITIZER_WORDSIZE == 32 && SANITIZER_ANDROID
38  // v8=>v9: 32-bit Android switched to dynamic shadow
39  #define __asan_version_mismatch_check __asan_version_mismatch_check_v9
40#else
41  #define __asan_version_mismatch_check __asan_version_mismatch_check_v8
42#endif
43}
44
45#endif  // ASAN_INIT_VERSION_H
46