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diff --git a/gcc-4.8/libsanitizer/interception/interception_linux.h b/gcc-4.8/libsanitizer/interception/interception_linux.h
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+//===-- interception_linux.h ------------------------------------*- C++ -*-===//
+//
+// 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.
+//
+// Linux-specific interception methods.
+//===----------------------------------------------------------------------===//
+
+#ifdef __linux__
+
+#if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
+# error "interception_linux.h should be included from interception library only"
+#endif
+
+#ifndef INTERCEPTION_LINUX_H
+#define INTERCEPTION_LINUX_H
+
+namespace __interception {
+// returns true if a function with the given name was found.
+bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
+ uptr real, uptr wrapper);
+} // namespace __interception
+
+#define INTERCEPT_FUNCTION_LINUX(func) \
+ ::__interception::GetRealFunctionAddress( \
+ #func, (::__interception::uptr*)&REAL(func), \
+ (::__interception::uptr)&(func), \
+ (::__interception::uptr)&WRAP(func))
+
+#endif // INTERCEPTION_LINUX_H
+#endif // __linux__