1 files changed, 36 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/interception/interception_linux.cc b/contrib/compiler-rt/lib/interception/interception_linux.cc
new file mode 100644
index 000000000000..6e908ac017b2
--- /dev/null
+++ b/contrib/compiler-rt/lib/interception/interception_linux.cc
@@ -0,0 +1,36 @@
+//===-- interception_linux.cc -----------------------------------*- 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.
+//===----------------------------------------------------------------------===//
+
+#if defined(__linux__) || defined(__FreeBSD__)
+#include "interception.h"
+
+#include <dlfcn.h>   // for dlsym() and dlvsym()
+
+namespace __interception {
+bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
+    uptr real, uptr wrapper) {
+  *func_addr = (uptr)dlsym(RTLD_NEXT, func_name);
+  return real == wrapper;
+}
+
+#if !defined(__ANDROID__)  // android does not have dlvsym
+void *GetFuncAddrVer(const char *func_name, const char *ver) {
+  return dlvsym(RTLD_NEXT, func_name, ver);
+}
+#endif  // !defined(__ANDROID__)
+
+}  // namespace __interception
+
+
+#endif  // __linux__ || __FreeBSD__