SymbolStream.cpp

Go to the documentation of this file.

//===- SymbolStream.cpp - PDB Symbol Stream Access ------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
 
#include "llvm/DebugInfo/PDB/Native/SymbolStream.h"
 
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
#include "llvm/Support/BinaryStreamReader.h"
#include "llvm/Support/Endian.h"
 
using namespace llvm;
using namespace llvm::msf;
using namespace llvm::support;
using namespace llvm::pdb;
 
SymbolStream::SymbolStream(std::unique_ptr<MappedBlockStream> Stream)
    : Stream(std::move(Stream)) {}
 
SymbolStream::~SymbolStream() {}
 
Error SymbolStream::reload() {
  BinaryStreamReader Reader(*Stream);
 
  if (auto EC = Reader.readArray(SymbolRecords, Stream->getLength()))
    return EC;
 
  return Error::success();
}
 
iterator_range<codeview::CVSymbolArray::Iterator>
SymbolStream::getSymbols(bool *HadError) const {
  return llvm::make_range(SymbolRecords.begin(HadError), SymbolRecords.end());
}
 
Error SymbolStream::commit() { return Error::success(); }
 
codeview::CVSymbol SymbolStream::readRecord(uint32_t Offset) const {
  return *SymbolRecords.at(Offset);
}