1 //===- InfoStreamBuilder.cpp - PDB Info Stream Creation ---------*- C++ -*-===// 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/InfoStreamBuilder.h" 11 12 #include "llvm/DebugInfo/MSF/MSFBuilder.h" 13 #include "llvm/DebugInfo/MSF/MappedBlockStream.h" 14 #include "llvm/DebugInfo/PDB/Native/InfoStream.h" 15 #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h" 16 #include "llvm/DebugInfo/PDB/Native/PDBFileBuilder.h" 17 #include "llvm/DebugInfo/PDB/Native/RawError.h" 18 #include "llvm/DebugInfo/PDB/Native/RawTypes.h" 19 #include "llvm/Support/BinaryStreamWriter.h" 20 21 using namespace llvm; 22 using namespace llvm::codeview; 23 using namespace llvm::msf; 24 using namespace llvm::pdb; 25 26 InfoStreamBuilder::InfoStreamBuilder(msf::MSFBuilder &Msf, 27 NamedStreamMap &NamedStreams) 28 : Msf(Msf), Ver(PdbRaw_ImplVer::PdbImplVC70), Sig(-1), Age(0), 29 NamedStreams(NamedStreams) {} 30 31 void InfoStreamBuilder::setVersion(PdbRaw_ImplVer V) { Ver = V; } 32 33 void InfoStreamBuilder::setSignature(uint32_t S) { Sig = S; } 34 35 void InfoStreamBuilder::setAge(uint32_t A) { Age = A; } 36 37 void InfoStreamBuilder::setGuid(PDB_UniqueId G) { Guid = G; } 38 39 Error InfoStreamBuilder::finalizeMsfLayout() { 40 uint32_t Length = sizeof(InfoStreamHeader) + NamedStreams.finalize(); 41 if (auto EC = Msf.setStreamSize(StreamPDB, Length)) 42 return EC; 43 return Error::success(); 44 } 45 46 Error InfoStreamBuilder::commit(const msf::MSFLayout &Layout, 47 WritableBinaryStreamRef Buffer) const { 48 auto InfoS = 49 WritableMappedBlockStream::createIndexedStream(Layout, Buffer, StreamPDB); 50 BinaryStreamWriter Writer(*InfoS); 51 52 InfoStreamHeader H; 53 H.Age = Age; 54 H.Signature = Sig; 55 H.Version = Ver; 56 H.Guid = Guid; 57 if (auto EC = Writer.writeObject(H)) 58 return EC; 59 60 return NamedStreams.commit(Writer); 61 } 62