FileHeaderReader.h revision 355940
1//===- FileHeaderReader.h - XRay Trace File Header Reading Function -------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This file declares functions that can load an XRay log header from various 10// sources. 11// 12//===----------------------------------------------------------------------===// 13#ifndef LLVM_LIB_XRAY_FILEHEADERREADER_H_ 14#define LLVM_LIB_XRAY_FILEHEADERREADER_H_ 15 16#include "llvm/Support/DataExtractor.h" 17#include "llvm/Support/Error.h" 18#include "llvm/XRay/XRayRecord.h" 19#include <cstdint> 20 21namespace llvm { 22namespace xray { 23 24/// Convenience function for loading the file header given a data extractor at a 25/// specified offset. 26Expected<XRayFileHeader> readBinaryFormatHeader(DataExtractor &HeaderExtractor, 27 uint32_t &OffsetPtr); 28 29} // namespace xray 30} // namespace llvm 31 32#endif // LLVM_LIB_XRAY_FILEHEADERREADER_H_ 33