[ASan] Intercept functions on Windows - first version
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@151161 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/asan/interception/interception_win.h b/lib/asan/interception/interception_win.h
new file mode 100644
index 0000000..fb7988e
--- /dev/null
+++ b/lib/asan/interception/interception_win.h
@@ -0,0 +1,33 @@
+//===-- interception_linux.h ------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of AddressSanitizer, an address sanity checker.
+//
+// Windows-specific interception methods.
+//===----------------------------------------------------------------------===//
+
+#ifdef _WIN32
+
+#if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
+# error "interception_win.h should be included from interception library only"
+#endif
+
+#ifndef INTERCEPTION_WIN_H
+#define INTERCEPTION_WIN_H
+
+namespace __interception {
+// returns true if a function with the given name was found.
+bool GetRealFunctionAddress(const char *func_name, void **func_addr);
+} // namespace __interception
+
+#define INTERCEPT_FUNCTION_WIN(func) \
+ ::__interception::GetRealFunctionAddress(#func, (void**)&REAL(func))
+
+#endif // INTERCEPTION_WIN_H
+#endif // _WIN32
