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
19extern "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