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 |
45 | |