1 files changed, 33 insertions, 0 deletions
diff --git a/lib/xray/xray_x86_64.inc b/lib/xray/xray_x86_64.inc
new file mode 100644
index 000000000..4ad3f9810
--- /dev/null
+++ b/lib/xray/xray_x86_64.inc
@@ -0,0 +1,33 @@
+//===-- xray_x86_64.inc -----------------------------------------*- 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 XRay, a dynamic runtime instrumentation system.
+//
+//===----------------------------------------------------------------------===//
+
+#include <cstdint>
+#include <x86intrin.h>
+
+#include "sanitizer_common/sanitizer_internal_defs.h"
+#include "xray_defs.h"
+
+namespace __xray {
+
+ALWAYS_INLINE uint64_t readTSC(uint8_t &CPU) XRAY_NEVER_INSTRUMENT {
+  unsigned LongCPU;
+  uint64_t TSC = __rdtscp(&LongCPU);
+  CPU = LongCPU;
+  return TSC;
+}
+
+uint64_t getTSCFrequency();
+
+bool probeRequiredCPUFeatures();
+
+} // namespace __xray