Rebase.
[official-gcc.git] / libsanitizer / interception / interception_win.h
blobb46ad0dc66f47a1e0215fd36bc578c57db4d8038
1 //===-- interception_linux.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 // Windows-specific interception methods.
11 //===----------------------------------------------------------------------===//
13 #ifdef _WIN32
15 #if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
16 # error "interception_win.h should be included from interception library only"
17 #endif
19 #ifndef INTERCEPTION_WIN_H
20 #define INTERCEPTION_WIN_H
22 namespace __interception {
23 // returns true if a function with the given name was found.
24 bool GetRealFunctionAddress(const char *func_name, uptr *func_addr);
26 // returns true if the old function existed, false on failure.
27 bool OverrideFunction(uptr old_func, uptr new_func, uptr *orig_old_func);
28 } // namespace __interception
30 #if defined(_DLL)
31 # define INTERCEPT_FUNCTION_WIN(func) \
32 ::__interception::GetRealFunctionAddress( \
33 #func, (::__interception::uptr*)&REAL(func))
34 #else
35 # define INTERCEPT_FUNCTION_WIN(func) \
36 ::__interception::OverrideFunction( \
37 (::__interception::uptr)func, \
38 (::__interception::uptr)WRAP(func), \
39 (::__interception::uptr*)&REAL(func))
40 #endif
42 #define INTERCEPT_FUNCTION_VER_WIN(func, symver) \
43 INTERCEPT_FUNCTION_WIN(func)
45 #endif // INTERCEPTION_WIN_H
46 #endif // _WIN32