| //===- 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/Native/InfoStreamBuilder.h" |
| |
| #include "llvm/DebugInfo/MSF/MSFBuilder.h" |
| #include "llvm/DebugInfo/MSF/MappedBlockStream.h" |
| #include "llvm/DebugInfo/PDB/Native/InfoStream.h" |
| #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h" |
| #include "llvm/DebugInfo/PDB/Native/PDBFileBuilder.h" |
| #include "llvm/DebugInfo/PDB/Native/RawError.h" |
| #include "llvm/DebugInfo/PDB/Native/RawTypes.h" |
| #include "llvm/Support/BinaryStreamWriter.h" |
| |
| using namespace llvm; |
| using namespace llvm::codeview; |
| using namespace llvm::msf; |
| using namespace llvm::pdb; |
| |
| InfoStreamBuilder::InfoStreamBuilder(msf::MSFBuilder &Msf, |
| NamedStreamMap &NamedStreams) |
| : Msf(Msf), Ver(PdbRaw_ImplVer::PdbImplVC70), Sig(-1), Age(0), |
| NamedStreams(NamedStreams) {} |
| |
| 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(GUID G) { Guid = G; } |
| |
| void InfoStreamBuilder::addFeature(PdbRaw_FeatureSig Sig) { |
| Features.push_back(Sig); |
| } |
| |
| Error InfoStreamBuilder::finalizeMsfLayout() { |
| uint32_t Length = sizeof(InfoStreamHeader) + NamedStreams.finalize() + |
| (Features.size() + 1) * sizeof(uint32_t); |
| if (auto EC = Msf.setStreamSize(StreamPDB, Length)) |
| return EC; |
| return Error::success(); |
| } |
| |
| Error InfoStreamBuilder::commit(const msf::MSFLayout &Layout, |
| WritableBinaryStreamRef Buffer) const { |
| auto InfoS = WritableMappedBlockStream::createIndexedStream( |
| Layout, Buffer, StreamPDB, Msf.getAllocator()); |
| BinaryStreamWriter Writer(*InfoS); |
| |
| InfoStreamHeader H; |
| H.Age = Age; |
| H.Signature = Sig; |
| H.Version = Ver; |
| H.Guid = Guid; |
| if (auto EC = Writer.writeObject(H)) |
| return EC; |
| |
| if (auto EC = NamedStreams.commit(Writer)) |
| return EC; |
| if (auto EC = Writer.writeInteger(0)) |
| return EC; |
| for (auto E : Features) { |
| if (auto EC = Writer.writeEnum(E)) |
| return EC; |
| } |
| return Error::success(); |
| } |