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_internal_defs.h"
19
20extern "C" {
21  // This function should be called at the very beginning of the process,
22  // before any instrumented code is executed and before any call to malloc.
23  // Every time the ASan ABI changes we also change the version number in this
24  // name. Objects build with incompatible ASan ABI version
25  // will not link with run-time.
26  // Changes between ABI versions:
27  // v1=>v2: added 'module_name' to __asan_global
28  // v2=>v3: stack frame description (created by the compiler)
29  //         contains the function PC as the 3-rd field (see
30  //         DescribeAddressIfStack).
31  // v3=>v4: added '__asan_global_source_location' to __asan_global.
32  SANITIZER_INTERFACE_ATTRIBUTE void __asan_init_v4();
33  #define __asan_init __asan_init_v4
34  #define __asan_init_name "__asan_init_v4"
35}
36
37#endif  // ASAN_INIT_VERSION_H
38