1 files changed, 50 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/rtsan/rtsan.cpp b/contrib/llvm-project/compiler-rt/lib/rtsan/rtsan.cpp
new file mode 100644
index 000000000000..cf7fbddd9eb9
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/rtsan/rtsan.cpp
@@ -0,0 +1,50 @@
+//===--- rtsan.cpp - Realtime Sanitizer -------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//===----------------------------------------------------------------------===//
+
+#include <rtsan/rtsan.h>
+#include <rtsan/rtsan_context.h>
+#include <rtsan/rtsan_interceptors.h>
+
+using namespace __rtsan;
+
+bool __rtsan::rtsan_initialized;
+bool __rtsan::rtsan_init_is_running;
+
+extern "C" {
+
+SANITIZER_INTERFACE_ATTRIBUTE void __rtsan_init() {
+  CHECK(!rtsan_init_is_running);
+  if (rtsan_initialized)
+    return;
+  rtsan_init_is_running = true;
+
+  InitializeInterceptors();
+
+  rtsan_init_is_running = false;
+  rtsan_initialized = true;
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE void __rtsan_realtime_enter() {
+  __rtsan::GetContextForThisThread().RealtimePush();
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE void __rtsan_realtime_exit() {
+  __rtsan::GetContextForThisThread().RealtimePop();
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE void __rtsan_off() {
+  __rtsan::GetContextForThisThread().BypassPush();
+}
+
+SANITIZER_INTERFACE_ATTRIBUTE void __rtsan_on() {
+  __rtsan::GetContextForThisThread().BypassPop();
+}
+
+} // extern "C"