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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
374 lines
11 KiB
C++
374 lines
11 KiB
C++
//===- YAMLOutputStyle.cpp ------------------------------------ *- 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 "YAMLOutputStyle.h"
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#include "PdbYaml.h"
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#include "llvm-pdbutil.h"
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#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
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#include "llvm/DebugInfo/CodeView/DebugSubsection.h"
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#include "llvm/DebugInfo/CodeView/DebugUnknownSubsection.h"
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#include "llvm/DebugInfo/CodeView/StringsAndChecksums.h"
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#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
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#include "llvm/DebugInfo/PDB/Native/DbiStream.h"
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#include "llvm/DebugInfo/PDB/Native/GlobalsStream.h"
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#include "llvm/DebugInfo/PDB/Native/InfoStream.h"
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#include "llvm/DebugInfo/PDB/Native/ModuleDebugStream.h"
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#include "llvm/DebugInfo/PDB/Native/PDBFile.h"
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#include "llvm/DebugInfo/PDB/Native/PublicsStream.h"
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#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
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#include "llvm/DebugInfo/PDB/Native/SymbolStream.h"
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#include "llvm/DebugInfo/PDB/Native/TpiStream.h"
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using namespace llvm;
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using namespace llvm::codeview;
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using namespace llvm::pdb;
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static bool checkModuleSubsection(opts::ModuleSubsection MS) {
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return any_of(opts::pdb2yaml::DumpModuleSubsections,
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[=](opts::ModuleSubsection M) {
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return M == MS || M == opts::ModuleSubsection::All;
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});
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}
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YAMLOutputStyle::YAMLOutputStyle(PDBFile &File)
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: File(File), Out(outs()), Obj(File.getAllocator()) {
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Out.setWriteDefaultValues(!opts::pdb2yaml::Minimal);
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}
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Error YAMLOutputStyle::dump() {
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if (opts::pdb2yaml::StreamDirectory)
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opts::pdb2yaml::StreamMetadata = true;
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if (auto EC = dumpFileHeaders())
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return EC;
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if (auto EC = dumpStreamMetadata())
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return EC;
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if (auto EC = dumpStreamDirectory())
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return EC;
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if (auto EC = dumpStringTable())
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return EC;
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if (auto EC = dumpPDBStream())
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return EC;
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if (auto EC = dumpDbiStream())
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return EC;
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if (auto EC = dumpTpiStream())
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return EC;
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if (auto EC = dumpIpiStream())
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return EC;
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if (auto EC = dumpPublics())
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return EC;
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flush();
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return Error::success();
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}
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Error YAMLOutputStyle::dumpFileHeaders() {
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if (opts::pdb2yaml::NoFileHeaders)
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return Error::success();
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yaml::MSFHeaders Headers;
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Obj.Headers.emplace();
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Obj.Headers->SuperBlock.NumBlocks = File.getBlockCount();
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Obj.Headers->SuperBlock.BlockMapAddr = File.getBlockMapIndex();
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Obj.Headers->SuperBlock.BlockSize = File.getBlockSize();
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auto Blocks = File.getDirectoryBlockArray();
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Obj.Headers->DirectoryBlocks.assign(Blocks.begin(), Blocks.end());
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Obj.Headers->NumDirectoryBlocks = File.getNumDirectoryBlocks();
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Obj.Headers->SuperBlock.NumDirectoryBytes = File.getNumDirectoryBytes();
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Obj.Headers->NumStreams =
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opts::pdb2yaml::StreamMetadata ? File.getNumStreams() : 0;
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Obj.Headers->SuperBlock.FreeBlockMapBlock = File.getFreeBlockMapBlock();
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Obj.Headers->SuperBlock.Unknown1 = File.getUnknown1();
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Obj.Headers->FileSize = File.getFileSize();
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return Error::success();
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}
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Error YAMLOutputStyle::dumpStringTable() {
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bool RequiresStringTable = opts::pdb2yaml::DumpModuleFiles ||
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!opts::pdb2yaml::DumpModuleSubsections.empty();
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bool RequestedStringTable = opts::pdb2yaml::StringTable;
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if (!RequiresStringTable && !RequestedStringTable)
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return Error::success();
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auto ExpectedST = File.getStringTable();
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if (!ExpectedST)
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return ExpectedST.takeError();
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Obj.StringTable.emplace();
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const auto &ST = ExpectedST.get();
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for (auto ID : ST.name_ids()) {
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auto S = ST.getStringForID(ID);
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if (!S)
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return S.takeError();
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if (S->empty())
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continue;
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Obj.StringTable->push_back(*S);
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}
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return Error::success();
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}
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Error YAMLOutputStyle::dumpStreamMetadata() {
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if (!opts::pdb2yaml::StreamMetadata)
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return Error::success();
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Obj.StreamSizes.emplace();
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Obj.StreamSizes->assign(File.getStreamSizes().begin(),
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File.getStreamSizes().end());
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return Error::success();
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}
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Error YAMLOutputStyle::dumpStreamDirectory() {
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if (!opts::pdb2yaml::StreamDirectory)
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return Error::success();
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auto StreamMap = File.getStreamMap();
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Obj.StreamMap.emplace();
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for (auto &Stream : StreamMap) {
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pdb::yaml::StreamBlockList BlockList;
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BlockList.Blocks.assign(Stream.begin(), Stream.end());
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Obj.StreamMap->push_back(BlockList);
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}
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return Error::success();
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}
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Error YAMLOutputStyle::dumpPDBStream() {
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if (!opts::pdb2yaml::PdbStream)
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return Error::success();
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auto IS = File.getPDBInfoStream();
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if (!IS)
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return IS.takeError();
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auto &InfoS = IS.get();
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Obj.PdbStream.emplace();
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Obj.PdbStream->Age = InfoS.getAge();
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Obj.PdbStream->Guid = InfoS.getGuid();
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Obj.PdbStream->Signature = InfoS.getSignature();
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Obj.PdbStream->Version = InfoS.getVersion();
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Obj.PdbStream->Features = InfoS.getFeatureSignatures();
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return Error::success();
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}
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static opts::ModuleSubsection convertSubsectionKind(DebugSubsectionKind K) {
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switch (K) {
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case DebugSubsectionKind::CrossScopeExports:
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return opts::ModuleSubsection::CrossScopeExports;
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case DebugSubsectionKind::CrossScopeImports:
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return opts::ModuleSubsection::CrossScopeImports;
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case DebugSubsectionKind::FileChecksums:
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return opts::ModuleSubsection::FileChecksums;
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case DebugSubsectionKind::InlineeLines:
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return opts::ModuleSubsection::InlineeLines;
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case DebugSubsectionKind::Lines:
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return opts::ModuleSubsection::Lines;
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case DebugSubsectionKind::Symbols:
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return opts::ModuleSubsection::Symbols;
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case DebugSubsectionKind::StringTable:
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return opts::ModuleSubsection::StringTable;
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case DebugSubsectionKind::FrameData:
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return opts::ModuleSubsection::FrameData;
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default:
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return opts::ModuleSubsection::Unknown;
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}
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llvm_unreachable("Unreachable!");
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}
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Error YAMLOutputStyle::dumpDbiStream() {
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if (!opts::pdb2yaml::DbiStream)
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return Error::success();
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if (!File.hasPDBDbiStream())
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return Error::success();
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auto DbiS = File.getPDBDbiStream();
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if (!DbiS)
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return DbiS.takeError();
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auto &DS = DbiS.get();
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Obj.DbiStream.emplace();
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Obj.DbiStream->Age = DS.getAge();
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Obj.DbiStream->BuildNumber = DS.getBuildNumber();
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Obj.DbiStream->Flags = DS.getFlags();
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Obj.DbiStream->MachineType = DS.getMachineType();
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Obj.DbiStream->PdbDllRbld = DS.getPdbDllRbld();
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Obj.DbiStream->PdbDllVersion = DS.getPdbDllVersion();
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Obj.DbiStream->VerHeader = DS.getDbiVersion();
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if (opts::pdb2yaml::DumpModules) {
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const auto &Modules = DS.modules();
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for (uint32_t I = 0; I < Modules.getModuleCount(); ++I) {
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DbiModuleDescriptor MI = Modules.getModuleDescriptor(I);
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Obj.DbiStream->ModInfos.emplace_back();
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yaml::PdbDbiModuleInfo &DMI = Obj.DbiStream->ModInfos.back();
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DMI.Mod = MI.getModuleName();
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DMI.Obj = MI.getObjFileName();
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if (opts::pdb2yaml::DumpModuleFiles) {
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auto Files = Modules.source_files(I);
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DMI.SourceFiles.assign(Files.begin(), Files.end());
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}
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uint16_t ModiStream = MI.getModuleStreamIndex();
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if (ModiStream == kInvalidStreamIndex)
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continue;
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auto ModStreamData = msf::MappedBlockStream::createIndexedStream(
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File.getMsfLayout(), File.getMsfBuffer(), ModiStream,
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File.getAllocator());
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pdb::ModuleDebugStreamRef ModS(MI, std::move(ModStreamData));
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if (auto EC = ModS.reload())
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return EC;
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auto ExpectedST = File.getStringTable();
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if (!ExpectedST)
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return ExpectedST.takeError();
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if (!opts::pdb2yaml::DumpModuleSubsections.empty() &&
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ModS.hasDebugSubsections()) {
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auto ExpectedChecksums = ModS.findChecksumsSubsection();
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if (!ExpectedChecksums)
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return ExpectedChecksums.takeError();
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StringsAndChecksumsRef SC(ExpectedST->getStringTable(),
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*ExpectedChecksums);
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for (const auto &SS : ModS.subsections()) {
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opts::ModuleSubsection OptionKind = convertSubsectionKind(SS.kind());
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if (!checkModuleSubsection(OptionKind))
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continue;
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auto Converted =
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CodeViewYAML::YAMLDebugSubsection::fromCodeViewSubection(SC, SS);
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if (!Converted)
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return Converted.takeError();
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DMI.Subsections.push_back(*Converted);
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}
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}
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if (opts::pdb2yaml::DumpModuleSyms) {
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DMI.Modi.emplace();
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DMI.Modi->Signature = ModS.signature();
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bool HadError = false;
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for (auto &Sym : ModS.symbols(&HadError)) {
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auto ES = CodeViewYAML::SymbolRecord::fromCodeViewSymbol(Sym);
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if (!ES)
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return ES.takeError();
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DMI.Modi->Symbols.push_back(*ES);
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}
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}
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}
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}
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return Error::success();
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}
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Error YAMLOutputStyle::dumpTpiStream() {
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if (!opts::pdb2yaml::TpiStream)
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return Error::success();
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auto TpiS = File.getPDBTpiStream();
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if (!TpiS)
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return TpiS.takeError();
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auto &TS = TpiS.get();
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Obj.TpiStream.emplace();
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Obj.TpiStream->Version = TS.getTpiVersion();
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for (auto &Record : TS.types(nullptr)) {
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auto ExpectedRecord = CodeViewYAML::LeafRecord::fromCodeViewRecord(Record);
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if (!ExpectedRecord)
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return ExpectedRecord.takeError();
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Obj.TpiStream->Records.push_back(*ExpectedRecord);
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}
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return Error::success();
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}
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Error YAMLOutputStyle::dumpIpiStream() {
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if (!opts::pdb2yaml::IpiStream)
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return Error::success();
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auto InfoS = File.getPDBInfoStream();
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if (!InfoS)
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return InfoS.takeError();
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if (!InfoS->containsIdStream())
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return Error::success();
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auto IpiS = File.getPDBIpiStream();
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if (!IpiS)
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return IpiS.takeError();
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auto &IS = IpiS.get();
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Obj.IpiStream.emplace();
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Obj.IpiStream->Version = IS.getTpiVersion();
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for (auto &Record : IS.types(nullptr)) {
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auto ExpectedRecord = CodeViewYAML::LeafRecord::fromCodeViewRecord(Record);
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if (!ExpectedRecord)
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return ExpectedRecord.takeError();
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Obj.IpiStream->Records.push_back(*ExpectedRecord);
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}
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return Error::success();
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}
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Error YAMLOutputStyle::dumpPublics() {
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if (!opts::pdb2yaml::PublicsStream)
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return Error::success();
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Obj.PublicsStream.emplace();
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auto ExpectedPublics = File.getPDBPublicsStream();
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if (!ExpectedPublics) {
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llvm::consumeError(ExpectedPublics.takeError());
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return Error::success();
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}
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PublicsStream &Publics = *ExpectedPublics;
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const GSIHashTable &PublicsTable = Publics.getPublicsTable();
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auto ExpectedSyms = File.getPDBSymbolStream();
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if (!ExpectedSyms) {
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llvm::consumeError(ExpectedSyms.takeError());
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return Error::success();
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}
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BinaryStreamRef SymStream =
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ExpectedSyms->getSymbolArray().getUnderlyingStream();
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for (uint32_t PubSymOff : PublicsTable) {
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Expected<CVSymbol> Sym = readSymbolFromStream(SymStream, PubSymOff);
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if (!Sym)
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return Sym.takeError();
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auto ES = CodeViewYAML::SymbolRecord::fromCodeViewSymbol(*Sym);
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if (!ES)
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return ES.takeError();
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Obj.PublicsStream->PubSyms.push_back(*ES);
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}
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return Error::success();
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}
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void YAMLOutputStyle::flush() {
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Out << Obj;
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outs().flush();
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}
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