Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 32 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/XRay/FileHeaderReader.h b/clang-r353983/include/llvm/XRay/FileHeaderReader.h
new file mode 100644
index 00000000..1c9681cf
--- /dev/null
+++ b/clang-r353983/include/llvm/XRay/FileHeaderReader.h
@@ -0,0 +1,32 @@
+//===- FileHeaderReader.h - XRay Trace File Header Reading Function -------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares functions that can load an XRay log header from various
+// sources.
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_LIB_XRAY_FILEHEADERREADER_H_
+#define LLVM_LIB_XRAY_FILEHEADERREADER_H_
+
+#include "llvm/Support/DataExtractor.h"
+#include "llvm/Support/Error.h"
+#include "llvm/XRay/XRayRecord.h"
+#include <cstdint>
+
+namespace llvm {
+namespace xray {
+
+/// Convenience function for loading the file header given a data extractor at a
+/// specified offset.
+Expected<XRayFileHeader> readBinaryFormatHeader(DataExtractor &HeaderExtractor,
+                                                uint32_t &OffsetPtr);
+
+} // namespace xray
+} // namespace llvm
+
+#endif // LLVM_LIB_XRAY_FILEHEADERREADER_H_