- //===- 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_XRAY_FILEHEADERREADER_H 
- #define LLVM_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, 
-                                                 uint64_t &OffsetPtr); 
-   
- } // namespace xray 
- } // namespace llvm 
-   
- #endif // LLVM_XRAY_FILEHEADERREADER_H 
-