forked from OSchip/llvm-project
82 lines
2.5 KiB
C++
82 lines
2.5 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();
|
|
}
|
|
|
|
Expected<std::unique_ptr<InfoStream>>
|
|
InfoStreamBuilder::build(PDBFile &File) {
|
|
auto StreamData = MappedBlockStream::createIndexedStream(
|
|
File.getMsfLayout(), File.getMsfBuffer(), StreamPDB);
|
|
auto Info = llvm::make_unique<InfoStream>(std::move(StreamData));
|
|
Info->Version = Ver;
|
|
Info->Signature = Sig;
|
|
Info->Age = Age;
|
|
Info->Guid = Guid;
|
|
auto NS = NamedStreams.build();
|
|
if (!NS)
|
|
return NS.takeError();
|
|
Info->NamedStreams = **NS;
|
|
return std::move(Info);
|
|
}
|
|
|
|
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);
|
|
}
|