freebsd-dev/contrib/llvm/tools/llvm-pdbdump/YAMLOutputStyle.cpp
2017-05-08 19:20:55 +00:00

403 lines
12 KiB
C++

//===- YAMLOutputStyle.cpp ------------------------------------ *- C++ --*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "YAMLOutputStyle.h"
#include "C13DebugFragmentVisitor.h"
#include "PdbYaml.h"
#include "llvm-pdbdump.h"
#include "llvm/DebugInfo/CodeView/Line.h"
#include "llvm/DebugInfo/CodeView/ModuleDebugFileChecksumFragment.h"
#include "llvm/DebugInfo/CodeView/ModuleDebugFragment.h"
#include "llvm/DebugInfo/CodeView/ModuleDebugFragmentVisitor.h"
#include "llvm/DebugInfo/CodeView/ModuleDebugInlineeLinesFragment.h"
#include "llvm/DebugInfo/CodeView/ModuleDebugLineFragment.h"
#include "llvm/DebugInfo/CodeView/ModuleDebugUnknownFragment.h"
#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
#include "llvm/DebugInfo/PDB/Native/DbiStream.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/RawConstants.h"
#include "llvm/DebugInfo/PDB/Native/RawError.h"
#include "llvm/DebugInfo/PDB/Native/TpiStream.h"
using namespace llvm;
using namespace llvm::codeview;
using namespace llvm::pdb;
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 (opts::pdb2yaml::DbiModuleSyms)
opts::pdb2yaml::DbiModuleInfo = true;
if (opts::pdb2yaml::DbiModuleSourceLineInfo)
opts::pdb2yaml::DbiModuleSourceFileInfo = true;
if (opts::pdb2yaml::DbiModuleSourceFileInfo)
opts::pdb2yaml::DbiModuleInfo = true;
if (opts::pdb2yaml::DbiModuleInfo)
opts::pdb2yaml::DbiStream = true;
// Some names from the module source file info get pulled from the string
// table, so if we're writing module source info, we have to write the string
// table as well.
if (opts::pdb2yaml::DbiModuleSourceLineInfo)
opts::pdb2yaml::StringTable = 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;
flush();
return Error::success();
}
namespace {
class C13YamlVisitor : public C13DebugFragmentVisitor {
public:
C13YamlVisitor(llvm::pdb::yaml::PdbSourceFileInfo &Info, PDBFile &F)
: C13DebugFragmentVisitor(F), Info(Info) {}
Error handleFileChecksums() override {
for (const auto &C : *Checksums) {
llvm::pdb::yaml::PdbSourceFileChecksumEntry Entry;
if (auto Result = getNameFromStringTable(C.FileNameOffset))
Entry.FileName = *Result;
else
return Result.takeError();
Entry.Kind = C.Kind;
Entry.ChecksumBytes.Bytes = C.Checksum;
Info.FileChecksums.push_back(Entry);
}
return Error::success();
}
Error handleLines() override {
for (const auto &LF : Lines) {
Info.LineFragments.emplace_back();
auto &Fragment = Info.LineFragments.back();
Fragment.CodeSize = LF.header()->CodeSize;
Fragment.Flags =
static_cast<codeview::LineFlags>(uint16_t(LF.header()->Flags));
Fragment.RelocOffset = LF.header()->RelocOffset;
Fragment.RelocSegment = LF.header()->RelocSegment;
for (const auto &L : LF) {
Fragment.Blocks.emplace_back();
auto &Block = Fragment.Blocks.back();
if (auto Result = getNameFromChecksumsBuffer(L.NameIndex))
Block.FileName = *Result;
else
return Result.takeError();
for (const auto &N : L.LineNumbers) {
llvm::pdb::yaml::PdbSourceLineEntry Line;
Line.Offset = N.Offset;
codeview::LineInfo LI(N.Flags);
Line.LineStart = LI.getStartLine();
Line.EndDelta = LI.getLineDelta();
Line.IsStatement = LI.isStatement();
Block.Lines.push_back(Line);
}
if (LF.hasColumnInfo()) {
for (const auto &C : L.Columns) {
llvm::pdb::yaml::PdbSourceColumnEntry Column;
Column.StartColumn = C.StartColumn;
Column.EndColumn = C.EndColumn;
Block.Columns.push_back(Column);
}
}
}
}
return Error::success();
}
Error handleInlineeLines() override {
for (const auto &ILF : InlineeLines) {
Info.Inlinees.emplace_back();
auto &Inlinee = Info.Inlinees.back();
Inlinee.HasExtraFiles = ILF.hasExtraFiles();
for (const auto &IL : ILF) {
Inlinee.Sites.emplace_back();
auto &Site = Inlinee.Sites.back();
if (auto Result = getNameFromChecksumsBuffer(IL.Header->FileID))
Site.FileName = *Result;
else
return Result.takeError();
Site.Inlinee = IL.Header->Inlinee;
Site.SourceLineNum = IL.Header->SourceLineNum;
if (ILF.hasExtraFiles()) {
for (const auto &EF : IL.ExtraFiles) {
if (auto Result = getNameFromChecksumsBuffer(EF))
Site.ExtraFiles.push_back(*Result);
else
return Result.takeError();
}
}
}
}
return Error::success();
}
private:
llvm::pdb::yaml::PdbSourceFileInfo &Info;
};
}
Expected<Optional<llvm::pdb::yaml::PdbSourceFileInfo>>
YAMLOutputStyle::getFileLineInfo(const pdb::ModuleDebugStreamRef &ModS) {
if (!ModS.hasLineInfo())
return None;
yaml::PdbSourceFileInfo Info;
C13YamlVisitor Visitor(Info, File);
if (auto EC = codeview::visitModuleDebugFragments(ModS.linesAndChecksums(),
Visitor))
return std::move(EC);
return Info;
}
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() {
if (!opts::pdb2yaml::StringTable)
return Error::success();
Obj.StringTable.emplace();
auto ExpectedST = File.getStringTable();
if (!ExpectedST)
return ExpectedST.takeError();
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();
}
Error YAMLOutputStyle::dumpDbiStream() {
if (!opts::pdb2yaml::DbiStream)
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::DbiModuleInfo) {
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::DbiModuleSourceFileInfo) {
auto Files = Modules.source_files(I);
DMI.SourceFiles.assign(Files.begin(), Files.end());
}
uint16_t ModiStream = MI.getModuleStreamIndex();
if (ModiStream == kInvalidStreamIndex)
continue;
auto ModStreamData = msf::MappedBlockStream::createIndexedStream(
File.getMsfLayout(), File.getMsfBuffer(), ModiStream);
pdb::ModuleDebugStreamRef ModS(MI, std::move(ModStreamData));
if (auto EC = ModS.reload())
return EC;
if (opts::pdb2yaml::DbiModuleSourceLineInfo) {
auto ExpectedInfo = getFileLineInfo(ModS);
if (!ExpectedInfo)
return ExpectedInfo.takeError();
DMI.FileLineInfo = *ExpectedInfo;
}
if (opts::pdb2yaml::DbiModuleSyms) {
DMI.Modi.emplace();
DMI.Modi->Signature = ModS.signature();
bool HadError = false;
for (auto &Sym : ModS.symbols(&HadError)) {
pdb::yaml::PdbSymbolRecord Record{Sym};
DMI.Modi->Symbols.push_back(Record);
}
}
}
}
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)) {
yaml::PdbTpiRecord R;
// It's not necessary to set R.RecordData here. That only exists as a
// way to have the `PdbTpiRecord` structure own the memory that `R.Record`
// references. In the case of reading an existing PDB though, that memory
// is owned by the backing stream.
R.Record = Record;
Obj.TpiStream->Records.push_back(R);
}
return Error::success();
}
Error YAMLOutputStyle::dumpIpiStream() {
if (!opts::pdb2yaml::IpiStream)
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)) {
yaml::PdbTpiRecord R;
R.Record = Record;
Obj.IpiStream->Records.push_back(R);
}
return Error::success();
}
void YAMLOutputStyle::flush() {
Out << Obj;
outs().flush();
}