tsan: add missing file (forgot to svn add in r159294)

llvm-svn: 159341

compiler-rt/lib/tsan/rtl/tsan_interceptors2.cc

@@ -0,0 +1,35 @@
+//===-- tsan_interceptors2.cc ---------------------------------------------===//
+//
+//                     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 ThreadSanitizer (TSan), a race detector.
+//
+//===----------------------------------------------------------------------===//
+
+#include "interception/interception.h"
+#include "sanitizer_common/sanitizer_common.h"
+
+namespace __tsan {
+  void *intercept_memset(uptr, void*, int, uptr);
+  void *intercept_memcpy(uptr, void*, const void*, uptr);
+  int intercept_memcmp(uptr, const void*, const void*, uptr);
+}
+
+using namespace __tsan;  // NOLINT
+
+INTERCEPTOR(void*, memset, void *dst, int v, uptr size) {
+  return intercept_memset((uptr)__builtin_return_address(0), dst, v, size);
+}
+
+INTERCEPTOR(void*, memcpy, void *dst, const void *src, uptr size) {
+  return intercept_memcpy((uptr)__builtin_return_address(0), dst, src, size);
+}
+
+INTERCEPTOR(int, memcmp, const void *s1, const void *s2, uptr n) {
+  return intercept_memcmp((uptr)__builtin_return_address(0), s1, s2, n);
+}