xref: /netbsd-src/external/gpl3/gcc.old/dist/libsanitizer/asan/asan_init_version.h (revision c0a68be459da21030695f60d10265c2fc49758f8)
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
44