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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
//===- InfoStreamBuilder.cpp - PDB Info Stream Creation ---------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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), Age(0),
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NamedStreams(NamedStreams) {
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::memset(&Guid, 0, sizeof(Guid));
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}
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void InfoStreamBuilder::setVersion(PdbRaw_ImplVer V) { Ver = V; }
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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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void InfoStreamBuilder::setHashPDBContentsToGUID(bool B) {
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HashPDBContentsToGUID = B;
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}
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void InfoStreamBuilder::setAge(uint32_t A) { Age = A; }
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void InfoStreamBuilder::setSignature(uint32_t S) { Signature = S; }
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void InfoStreamBuilder::setGuid(GUID G) { Guid = G; }
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Error InfoStreamBuilder::finalizeMsfLayout() {
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uint32_t Length = sizeof(InfoStreamHeader) +
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NamedStreams.calculateSerializedLength() +
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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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// Leave the build id fields 0 so they can be set as the last step before
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// committing the file to disk.
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::memset(&H, 0, sizeof(H));
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H.Version = Ver;
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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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assert(Writer.bytesRemaining() == 0);
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return Error::success();
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}
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