forked from OSchip/llvm-project
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
//===- InfoStreamBuilder.cpp - PDB Info Stream Creation ---------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h"
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#include "llvm/DebugInfo/MSF/MSFBuilder.h"
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#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
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#include "llvm/DebugInfo/PDB/Native/InfoStream.h"
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#include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
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#include "llvm/DebugInfo/PDB/Native/PDBFileBuilder.h"
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#include "llvm/DebugInfo/PDB/Native/RawError.h"
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#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
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#include "llvm/Support/BinaryStreamWriter.h"
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using namespace llvm;
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using namespace llvm::codeview;
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using namespace llvm::msf;
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using namespace llvm::pdb;
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InfoStreamBuilder::InfoStreamBuilder(msf::MSFBuilder &Msf,
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NamedStreamMap &NamedStreams)
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: Msf(Msf), Ver(PdbRaw_ImplVer::PdbImplVC70), Sig(-1), Age(0),
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NamedStreams(NamedStreams) {}
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void InfoStreamBuilder::setVersion(PdbRaw_ImplVer V) { Ver = V; }
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void InfoStreamBuilder::setSignature(uint32_t S) { Sig = S; }
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void InfoStreamBuilder::setAge(uint32_t A) { Age = A; }
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void InfoStreamBuilder::setGuid(PDB_UniqueId G) { Guid = G; }
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void InfoStreamBuilder::addFeature(PdbRaw_FeatureSig Sig) {
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Features.push_back(Sig);
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}
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Error InfoStreamBuilder::finalizeMsfLayout() {
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uint32_t Length = sizeof(InfoStreamHeader) + NamedStreams.finalize() +
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(Features.size() + 1) * sizeof(uint32_t);
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if (auto EC = Msf.setStreamSize(StreamPDB, Length))
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return EC;
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return Error::success();
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}
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Error InfoStreamBuilder::commit(const msf::MSFLayout &Layout,
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WritableBinaryStreamRef Buffer) const {
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auto InfoS = WritableMappedBlockStream::createIndexedStream(
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Layout, Buffer, StreamPDB, Msf.getAllocator());
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BinaryStreamWriter Writer(*InfoS);
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InfoStreamHeader H;
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H.Age = Age;
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H.Signature = Sig;
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H.Version = Ver;
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H.Guid = Guid;
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if (auto EC = Writer.writeObject(H))
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return EC;
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if (auto EC = NamedStreams.commit(Writer))
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return EC;
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if (auto EC = Writer.writeInteger(0))
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return EC;
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for (auto E : Features) {
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if (auto EC = Writer.writeEnum(E))
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return EC;
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}
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return Error::success();
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}
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