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//===- YAMLOutputStyle.cpp ------------------------------------ *- C++ --*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "YAMLOutputStyle.h"
#include "PdbYaml.h"
#include "llvm-pdbutil.h"
#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugUnknownSubsection.h"
#include "llvm/DebugInfo/CodeView/StringsAndChecksums.h"
#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
#include "llvm/DebugInfo/PDB/Native/DbiStream.h"
#include "llvm/DebugInfo/PDB/Native/GlobalsStream.h"
#include "llvm/DebugInfo/PDB/Native/InfoStream.h"
#include "llvm/DebugInfo/PDB/Native/ModuleDebugStream.h"
#include "llvm/DebugInfo/PDB/Native/PDBFile.h"
#include "llvm/DebugInfo/PDB/Native/PublicsStream.h"
#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
#include "llvm/DebugInfo/PDB/Native/SymbolStream.h"
#include "llvm/DebugInfo/PDB/Native/TpiStream.h"
using namespace llvm;
using namespace llvm::codeview;
using namespace llvm::pdb;
static bool checkModuleSubsection(opts::ModuleSubsection MS) {
return any_of(opts::pdb2yaml::DumpModuleSubsections,
[=](opts::ModuleSubsection M) {
return M == MS || M == opts::ModuleSubsection::All;
});
}
YAMLOutputStyle::YAMLOutputStyle(PDBFile &File)
: File(File), Out(outs()), Obj(File.getAllocator()) {
Out.setWriteDefaultValues(!opts::pdb2yaml::Minimal);
}
Error YAMLOutputStyle::dump() {
if (opts::pdb2yaml::StreamDirectory)
opts::pdb2yaml::StreamMetadata = true;
if (auto EC = dumpFileHeaders())
return EC;
if (auto EC = dumpStreamMetadata())
return EC;
if (auto EC = dumpStreamDirectory())
return EC;
if (auto EC = dumpStringTable())
return EC;
if (auto EC = dumpPDBStream())
return EC;
if (auto EC = dumpDbiStream())
return EC;
if (auto EC = dumpTpiStream())
return EC;
if (auto EC = dumpIpiStream())
return EC;
if (auto EC = dumpPublics())
return EC;
flush();
return Error::success();
}
Error YAMLOutputStyle::dumpFileHeaders() {
if (opts::pdb2yaml::NoFileHeaders)
return Error::success();
yaml::MSFHeaders Headers;
Obj.Headers.emplace();
Obj.Headers->SuperBlock.NumBlocks = File.getBlockCount();
Obj.Headers->SuperBlock.BlockMapAddr = File.getBlockMapIndex();
Obj.Headers->SuperBlock.BlockSize = File.getBlockSize();
auto Blocks = File.getDirectoryBlockArray();
Obj.Headers->DirectoryBlocks.assign(Blocks.begin(), Blocks.end());
Obj.Headers->NumDirectoryBlocks = File.getNumDirectoryBlocks();
Obj.Headers->SuperBlock.NumDirectoryBytes = File.getNumDirectoryBytes();
Obj.Headers->NumStreams =
opts::pdb2yaml::StreamMetadata ? File.getNumStreams() : 0;
Obj.Headers->SuperBlock.FreeBlockMapBlock = File.getFreeBlockMapBlock();
Obj.Headers->SuperBlock.Unknown1 = File.getUnknown1();
Obj.Headers->FileSize = File.getFileSize();
return Error::success();
}
Error YAMLOutputStyle::dumpStringTable() {
bool RequiresStringTable = opts::pdb2yaml::DumpModuleFiles ||
!opts::pdb2yaml::DumpModuleSubsections.empty();
bool RequestedStringTable = opts::pdb2yaml::StringTable;
if (!RequiresStringTable && !RequestedStringTable)
return Error::success();
auto ExpectedST = File.getStringTable();
if (!ExpectedST)
return ExpectedST.takeError();
Obj.StringTable.emplace();
const auto &ST = ExpectedST.get();
for (auto ID : ST.name_ids()) {
auto S = ST.getStringForID(ID);
if (!S)
return S.takeError();
if (S->empty())
continue;
Obj.StringTable->push_back(*S);
}
return Error::success();
}
Error YAMLOutputStyle::dumpStreamMetadata() {
if (!opts::pdb2yaml::StreamMetadata)
return Error::success();
Obj.StreamSizes.emplace();
Obj.StreamSizes->assign(File.getStreamSizes().begin(),
File.getStreamSizes().end());
return Error::success();
}
Error YAMLOutputStyle::dumpStreamDirectory() {
if (!opts::pdb2yaml::StreamDirectory)
return Error::success();
auto StreamMap = File.getStreamMap();
Obj.StreamMap.emplace();
for (auto &Stream : StreamMap) {
pdb::yaml::StreamBlockList BlockList;
BlockList.Blocks.assign(Stream.begin(), Stream.end());
Obj.StreamMap->push_back(BlockList);
}
return Error::success();
}
Error YAMLOutputStyle::dumpPDBStream() {
if (!opts::pdb2yaml::PdbStream)
return Error::success();
auto IS = File.getPDBInfoStream();
if (!IS)
return IS.takeError();
auto &InfoS = IS.get();
Obj.PdbStream.emplace();
Obj.PdbStream->Age = InfoS.getAge();
Obj.PdbStream->Guid = InfoS.getGuid();
Obj.PdbStream->Signature = InfoS.getSignature();
Obj.PdbStream->Version = InfoS.getVersion();
Obj.PdbStream->Features = InfoS.getFeatureSignatures();
return Error::success();
}
static opts::ModuleSubsection convertSubsectionKind(DebugSubsectionKind K) {
switch (K) {
case DebugSubsectionKind::CrossScopeExports:
return opts::ModuleSubsection::CrossScopeExports;
case DebugSubsectionKind::CrossScopeImports:
return opts::ModuleSubsection::CrossScopeImports;
case DebugSubsectionKind::FileChecksums:
return opts::ModuleSubsection::FileChecksums;
case DebugSubsectionKind::InlineeLines:
return opts::ModuleSubsection::InlineeLines;
case DebugSubsectionKind::Lines:
return opts::ModuleSubsection::Lines;
case DebugSubsectionKind::Symbols:
return opts::ModuleSubsection::Symbols;
case DebugSubsectionKind::StringTable:
return opts::ModuleSubsection::StringTable;
case DebugSubsectionKind::FrameData:
return opts::ModuleSubsection::FrameData;
default:
return opts::ModuleSubsection::Unknown;
}
llvm_unreachable("Unreachable!");
}
Error YAMLOutputStyle::dumpDbiStream() {
if (!opts::pdb2yaml::DbiStream)
return Error::success();
if (!File.hasPDBDbiStream())
return Error::success();
auto DbiS = File.getPDBDbiStream();
if (!DbiS)
return DbiS.takeError();
auto &DS = DbiS.get();
Obj.DbiStream.emplace();
Obj.DbiStream->Age = DS.getAge();
Obj.DbiStream->BuildNumber = DS.getBuildNumber();
Obj.DbiStream->Flags = DS.getFlags();
Obj.DbiStream->MachineType = DS.getMachineType();
Obj.DbiStream->PdbDllRbld = DS.getPdbDllRbld();
Obj.DbiStream->PdbDllVersion = DS.getPdbDllVersion();
Obj.DbiStream->VerHeader = DS.getDbiVersion();
if (opts::pdb2yaml::DumpModules) {
const auto &Modules = DS.modules();
for (uint32_t I = 0; I < Modules.getModuleCount(); ++I) {
DbiModuleDescriptor MI = Modules.getModuleDescriptor(I);
Obj.DbiStream->ModInfos.emplace_back();
yaml::PdbDbiModuleInfo &DMI = Obj.DbiStream->ModInfos.back();
DMI.Mod = MI.getModuleName();
DMI.Obj = MI.getObjFileName();
if (opts::pdb2yaml::DumpModuleFiles) {
auto Files = Modules.source_files(I);
DMI.SourceFiles.assign(Files.begin(), Files.end());
}
uint16_t ModiStream = MI.getModuleStreamIndex();
if (ModiStream == kInvalidStreamIndex)
continue;
auto ModStreamData = File.createIndexedStream(ModiStream);
pdb::ModuleDebugStreamRef ModS(MI, std::move(ModStreamData));
if (auto EC = ModS.reload())
return EC;
auto ExpectedST = File.getStringTable();
if (!ExpectedST)
return ExpectedST.takeError();
if (!opts::pdb2yaml::DumpModuleSubsections.empty() &&
ModS.hasDebugSubsections()) {
auto ExpectedChecksums = ModS.findChecksumsSubsection();
if (!ExpectedChecksums)
return ExpectedChecksums.takeError();
StringsAndChecksumsRef SC(ExpectedST->getStringTable(),
*ExpectedChecksums);
for (const auto &SS : ModS.subsections()) {
opts::ModuleSubsection OptionKind = convertSubsectionKind(SS.kind());
if (!checkModuleSubsection(OptionKind))
continue;
auto Converted =
CodeViewYAML::YAMLDebugSubsection::fromCodeViewSubection(SC, SS);
if (!Converted)
return Converted.takeError();
DMI.Subsections.push_back(*Converted);
}
}
if (opts::pdb2yaml::DumpModuleSyms) {
DMI.Modi.emplace();
DMI.Modi->Signature = ModS.signature();
bool HadError = false;
for (auto &Sym : ModS.symbols(&HadError)) {
auto ES = CodeViewYAML::SymbolRecord::fromCodeViewSymbol(Sym);
if (!ES)
return ES.takeError();
DMI.Modi->Symbols.push_back(*ES);
}
}
}
}
return Error::success();
}
Error YAMLOutputStyle::dumpTpiStream() {
if (!opts::pdb2yaml::TpiStream)
return Error::success();
auto TpiS = File.getPDBTpiStream();
if (!TpiS)
return TpiS.takeError();
auto &TS = TpiS.get();
Obj.TpiStream.emplace();
Obj.TpiStream->Version = TS.getTpiVersion();
for (auto &Record : TS.types(nullptr)) {
auto ExpectedRecord = CodeViewYAML::LeafRecord::fromCodeViewRecord(Record);
if (!ExpectedRecord)
return ExpectedRecord.takeError();
Obj.TpiStream->Records.push_back(*ExpectedRecord);
}
return Error::success();
}
Error YAMLOutputStyle::dumpIpiStream() {
if (!opts::pdb2yaml::IpiStream)
return Error::success();
auto InfoS = File.getPDBInfoStream();
if (!InfoS)
return InfoS.takeError();
if (!InfoS->containsIdStream())
return Error::success();
auto IpiS = File.getPDBIpiStream();
if (!IpiS)
return IpiS.takeError();
auto &IS = IpiS.get();
Obj.IpiStream.emplace();
Obj.IpiStream->Version = IS.getTpiVersion();
for (auto &Record : IS.types(nullptr)) {
auto ExpectedRecord = CodeViewYAML::LeafRecord::fromCodeViewRecord(Record);
if (!ExpectedRecord)
return ExpectedRecord.takeError();
Obj.IpiStream->Records.push_back(*ExpectedRecord);
}
return Error::success();
}
Error YAMLOutputStyle::dumpPublics() {
if (!opts::pdb2yaml::PublicsStream)
return Error::success();
Obj.PublicsStream.emplace();
auto ExpectedPublics = File.getPDBPublicsStream();
if (!ExpectedPublics) {
llvm::consumeError(ExpectedPublics.takeError());
return Error::success();
}
PublicsStream &Publics = *ExpectedPublics;
const GSIHashTable &PublicsTable = Publics.getPublicsTable();
auto ExpectedSyms = File.getPDBSymbolStream();
if (!ExpectedSyms) {
llvm::consumeError(ExpectedSyms.takeError());
return Error::success();
}
BinaryStreamRef SymStream =
ExpectedSyms->getSymbolArray().getUnderlyingStream();
for (uint32_t PubSymOff : PublicsTable) {
Expected<CVSymbol> Sym = readSymbolFromStream(SymStream, PubSymOff);
if (!Sym)
return Sym.takeError();
auto ES = CodeViewYAML::SymbolRecord::fromCodeViewSymbol(*Sym);
if (!ES)
return ES.takeError();
Obj.PublicsStream->PubSyms.push_back(*ES);
}
return Error::success();
}
void YAMLOutputStyle::flush() {
Out << Obj;
outs().flush();
}