1//===-- interception_linux.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// Windows-specific interception methods.
13//===----------------------------------------------------------------------===//
14
15#ifdef _WIN32
16
17#if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
18# error "interception_win.h should be included from interception library only"
19#endif
20
21#ifndef INTERCEPTION_WIN_H
22#define INTERCEPTION_WIN_H
23
24namespace __interception {
25// returns true if a function with the given name was found.
26bool GetRealFunctionAddress(const char *func_name, uptr *func_addr);
27
28// returns true if the old function existed, false on failure.
29bool OverrideFunction(uptr old_func, uptr new_func, uptr *orig_old_func);
30}  // namespace __interception
31
32#if defined(_DLL)
33# define INTERCEPT_FUNCTION_WIN(func) \
34    ::__interception::GetRealFunctionAddress( \
35        #func, (::__interception::uptr*)&REAL(func))
36#else
37# define INTERCEPT_FUNCTION_WIN(func) \
38    ::__interception::OverrideFunction( \
39        (::__interception::uptr)func, \
40        (::__interception::uptr)WRAP(func), \
41        (::__interception::uptr*)&REAL(func))
42#endif
43
44#define INTERCEPT_FUNCTION_VER_WIN(func, symver) \
45    INTERCEPT_FUNCTION_WIN(func)
46
47#endif  // INTERCEPTION_WIN_H
48#endif  // _WIN32
49