Import compiler-rt r160957.vendor/compiler-rt/compiler-rt-r160957

1 files changed, 35 insertions, 0 deletions

diff --git a/lib/interception/interception_linux.h b/lib/interception/interception_linux.h
new file mode 100644
index 000000000000..76a29c6a99a9
--- /dev/null
+++ b/lib/interception/interception_linux.h
@@ -0,0 +1,35 @@
+//===-- 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.
+//
+// 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, void **func_addr,
+    void *real, void *wrapper);
+}  // namespace __interception
+
+#define INTERCEPT_FUNCTION_LINUX(func) \
+    ::__interception::GetRealFunctionAddress(#func, (void**)&REAL(func), \
+    (void*)&(func), (void*)&WRAP(func))
+
+#endif  // INTERCEPTION_LINUX_H
+#endif  // __linux__