1//===- SymbolStream.cpp - PDB Symbol Stream Access ------------------------===// 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#include "llvm/DebugInfo/PDB/Native/SymbolStream.h" 10 11#include "llvm/DebugInfo/CodeView/CodeView.h" 12#include "llvm/DebugInfo/CodeView/SymbolRecord.h" 13#include "llvm/DebugInfo/MSF/MappedBlockStream.h" 14#include "llvm/Support/BinaryStreamReader.h" 15#include "llvm/Support/Endian.h" 16 17using namespace llvm; 18using namespace llvm::msf; 19using namespace llvm::support; 20using namespace llvm::pdb; 21 22SymbolStream::SymbolStream(std::unique_ptr<MappedBlockStream> Stream) 23 : Stream(std::move(Stream)) {} 24 25SymbolStream::~SymbolStream() {} 26 27Error SymbolStream::reload() { 28 BinaryStreamReader Reader(*Stream); 29 30 if (auto EC = Reader.readArray(SymbolRecords, Stream->getLength())) 31 return EC; 32 33 return Error::success(); 34} 35 36iterator_range<codeview::CVSymbolArray::Iterator> 37SymbolStream::getSymbols(bool *HadError) const { 38 return llvm::make_range(SymbolRecords.begin(HadError), SymbolRecords.end()); 39} 40 41Error SymbolStream::commit() { return Error::success(); } 42 43codeview::CVSymbol SymbolStream::readRecord(uint32_t Offset) const { 44 return *SymbolRecords.at(Offset); 45} 46