1 //===- SymbolStream.cpp - PDB Symbol Stream Access ------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/DebugInfo/PDB/Native/SymbolStream.h" 11 12 #include "llvm/DebugInfo/CodeView/CodeView.h" 13 #include "llvm/DebugInfo/CodeView/SymbolRecord.h" 14 #include "llvm/DebugInfo/MSF/MappedBlockStream.h" 15 #include "llvm/Support/BinaryStreamReader.h" 16 #include "llvm/Support/Endian.h" 17 18 using namespace llvm; 19 using namespace llvm::msf; 20 using namespace llvm::support; 21 using namespace llvm::pdb; 22 SymbolStream(std::unique_ptr<MappedBlockStream> Stream)23SymbolStream::SymbolStream(std::unique_ptr<MappedBlockStream> Stream) 24 : Stream(std::move(Stream)) {} 25 ~SymbolStream()26SymbolStream::~SymbolStream() {} 27 reload()28Error SymbolStream::reload() { 29 BinaryStreamReader Reader(*Stream); 30 31 if (auto EC = Reader.readArray(SymbolRecords, Stream->getLength())) 32 return EC; 33 34 return Error::success(); 35 } 36 37 iterator_range<codeview::CVSymbolArray::Iterator> getSymbols(bool * HadError) const38SymbolStream::getSymbols(bool *HadError) const { 39 return llvm::make_range(SymbolRecords.begin(HadError), SymbolRecords.end()); 40 } 41 commit()42Error SymbolStream::commit() { return Error::success(); } 43 readRecord(uint32_t Offset) const44codeview::CVSymbol SymbolStream::readRecord(uint32_t Offset) const { 45 return *SymbolRecords.at(Offset); 46 } 47