llvm-project/llvm/lib/DebugInfo/PDB/Raw/InfoStreamBuilder.cpp

66 lines
2.0 KiB
C++

//===- InfoStreamBuilder.cpp - PDB Info Stream Creation ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/PDB/Raw/InfoStreamBuilder.h"
#include "llvm/DebugInfo/MSF/MSFBuilder.h"
#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
#include "llvm/DebugInfo/MSF/StreamWriter.h"
#include "llvm/DebugInfo/PDB/Raw/InfoStream.h"
#include "llvm/DebugInfo/PDB/Raw/RawError.h"
#include "llvm/DebugInfo/PDB/Raw/RawTypes.h"
using namespace llvm;
using namespace llvm::codeview;
using namespace llvm::msf;
using namespace llvm::pdb;
InfoStreamBuilder::InfoStreamBuilder(msf::MSFBuilder &Msf)
: Msf(Msf), Ver(PdbRaw_ImplVer::PdbImplVC70), Sig(-1), Age(0) {}
void InfoStreamBuilder::setVersion(PdbRaw_ImplVer V) { Ver = V; }
void InfoStreamBuilder::setSignature(uint32_t S) { Sig = S; }
void InfoStreamBuilder::setAge(uint32_t A) { Age = A; }
void InfoStreamBuilder::setGuid(PDB_UniqueId G) { Guid = G; }
NameMapBuilder &InfoStreamBuilder::getNamedStreamsBuilder() {
return NamedStreams;
}
uint32_t InfoStreamBuilder::calculateSerializedLength() const {
return sizeof(InfoStreamHeader) + NamedStreams.calculateSerializedLength();
}
Error InfoStreamBuilder::finalizeMsfLayout() {
uint32_t Length = calculateSerializedLength();
if (auto EC = Msf.setStreamSize(StreamPDB, Length))
return EC;
return Error::success();
}
Error InfoStreamBuilder::commit(const msf::MSFLayout &Layout,
const msf::WritableStream &Buffer) const {
auto InfoS =
WritableMappedBlockStream::createIndexedStream(Layout, Buffer, StreamPDB);
StreamWriter Writer(*InfoS);
InfoStreamHeader H;
H.Age = Age;
H.Signature = Sig;
H.Version = Ver;
H.Guid = Guid;
if (auto EC = Writer.writeObject(H))
return EC;
return NamedStreams.commit(Writer);
}