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DumpOutputStyle.cpp
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//===- DumpOutputStyle.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 "DumpOutputStyle.h"
#include "MinimalSymbolDumper.h"
#include "MinimalTypeDumper.h"
#include "StreamUtil.h"
#include "TypeReferenceTracker.h"
#include "llvm-pdbutil.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/DebugInfo/CodeView/CVSymbolVisitor.h"
#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugCrossExSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugCrossImpSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugSymbolsSubsection.h"
#include "llvm/DebugInfo/CodeView/Formatters.h"
#include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
#include "llvm/DebugInfo/CodeView/Line.h"
#include "llvm/DebugInfo/CodeView/SymbolDeserializer.h"
#include "llvm/DebugInfo/CodeView/SymbolVisitorCallbackPipeline.h"
#include "llvm/DebugInfo/CodeView/SymbolVisitorCallbacks.h"
#include "llvm/DebugInfo/CodeView/TypeHashing.h"
#include "llvm/DebugInfo/CodeView/TypeIndexDiscovery.h"
#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
#include "llvm/DebugInfo/PDB/Native/DbiStream.h"
#include "llvm/DebugInfo/PDB/Native/FormatUtil.h"
#include "llvm/DebugInfo/PDB/Native/GlobalsStream.h"
#include "llvm/DebugInfo/PDB/Native/ISectionContribVisitor.h"
#include "llvm/DebugInfo/PDB/Native/InfoStream.h"
#include "llvm/DebugInfo/PDB/Native/InputFile.h"
#include "llvm/DebugInfo/PDB/Native/ModuleDebugStream.h"
#include "llvm/DebugInfo/PDB/Native/NativeSession.h"
#include "llvm/DebugInfo/PDB/Native/PDBFile.h"
#include "llvm/DebugInfo/PDB/Native/PublicsStream.h"
#include "llvm/DebugInfo/PDB/Native/RawError.h"
#include "llvm/DebugInfo/PDB/Native/SymbolStream.h"
#include "llvm/DebugInfo/PDB/Native/TpiHashing.h"
#include "llvm/DebugInfo/PDB/Native/TpiStream.h"
#include "llvm/Object/COFF.h"
#include "llvm/Support/BinaryStreamReader.h"
#include "llvm/Support/FormatAdapters.h"
#include "llvm/Support/FormatVariadic.h"
#include <cctype>
using namespace llvm;
using namespace llvm::codeview;
using namespace llvm::msf;
using namespace llvm::pdb;
DumpOutputStyle::DumpOutputStyle(InputFile &File)
: File(File), P(2, false, outs(), opts::Filters) {
if (opts::dump::DumpTypeRefStats)
RefTracker.reset(new TypeReferenceTracker(File));
}
DumpOutputStyle::~DumpOutputStyle() {}
PDBFile &DumpOutputStyle::getPdb() { return File.pdb(); }
object::COFFObjectFile &DumpOutputStyle::getObj() { return File.obj(); }
void DumpOutputStyle::printStreamNotValidForObj() {
AutoIndent Indent(P, 4);
P.formatLine("Dumping this stream is not valid for object files");
}
void DumpOutputStyle::printStreamNotPresent(StringRef StreamName) {
AutoIndent Indent(P, 4);
P.formatLine("{0} stream not present", StreamName);
}
Error DumpOutputStyle::dump() {
// Walk symbols & globals if we are supposed to mark types referenced.
if (opts::dump::DumpTypeRefStats)
RefTracker->mark();
if (opts::dump::DumpSummary) {
if (auto EC = dumpFileSummary())
return EC;
P.NewLine();
}
if (opts::dump::DumpStreams) {
if (auto EC = dumpStreamSummary())
return EC;
P.NewLine();
}
if (opts::dump::DumpSymbolStats) {
ExitOnError Err("Unexpected error processing module stats: ");
Err(dumpSymbolStats());
P.NewLine();
}
if (opts::dump::DumpUdtStats) {
if (auto EC = dumpUdtStats())
return EC;
P.NewLine();
}
if (opts::dump::DumpTypeStats || opts::dump::DumpIDStats) {
if (auto EC = dumpTypeStats())
return EC;
P.NewLine();
}
if (opts::dump::DumpNamedStreams) {
if (auto EC = dumpNamedStreams())
return EC;
P.NewLine();
}
if (opts::dump::DumpStringTable || opts::dump::DumpStringTableDetails) {
if (auto EC = dumpStringTable())
return EC;
P.NewLine();
}
if (opts::dump::DumpModules) {
ExitOnError Err("Unexpected error processing modules: ");
Err(dumpModules());
}
if (opts::dump::DumpModuleFiles) {
ExitOnError Err("Unexpected error processing files: ");
Err(dumpModuleFiles());
}
if (opts::dump::DumpLines) {
ExitOnError Err("Unexpected error processing lines: ");
Err(dumpLines());
}
if (opts::dump::DumpInlineeLines) {
ExitOnError Err("Unexpected error processing inlinee lines: ");
Err(dumpInlineeLines());
}
if (opts::dump::DumpXmi) {
ExitOnError Err("Unexpected error processing cross module imports: ");
Err(dumpXmi());
}
if (opts::dump::DumpXme) {
ExitOnError Err("Unexpected error processing cross module exports: ");
Err(dumpXme());
}
if (opts::dump::DumpFpo) {
if (auto EC = dumpFpo())
return EC;
}
if (File.isObj()) {
if (opts::dump::DumpTypes || !opts::dump::DumpTypeIndex.empty() ||
opts::dump::DumpTypeExtras)
if (auto EC = dumpTypesFromObjectFile())
return EC;
} else {
if (opts::dump::DumpTypes || !opts::dump::DumpTypeIndex.empty() ||
opts::dump::DumpTypeExtras) {
if (auto EC = dumpTpiStream(StreamTPI))
return EC;
}
if (opts::dump::DumpIds || !opts::dump::DumpIdIndex.empty() ||
opts::dump::DumpIdExtras) {
if (auto EC = dumpTpiStream(StreamIPI))
return EC;
}
}
if (opts::dump::DumpGSIRecords) {
if (auto EC = dumpGSIRecords())
return EC;
}
if (opts::dump::DumpGlobals) {
if (auto EC = dumpGlobals())
return EC;
}
if (opts::dump::DumpPublics) {
if (auto EC = dumpPublics())
return EC;
}
if (opts::dump::DumpSymbols) {
ExitOnError Err("Unexpected error processing symbols: ");
Err(File.isPdb() ? dumpModuleSymsForPdb() : dumpModuleSymsForObj());
}
if (opts::dump::DumpTypeRefStats) {
if (auto EC = dumpTypeRefStats())
return EC;
}
if (opts::dump::DumpSectionHeaders) {
if (auto EC = dumpSectionHeaders())
return EC;
}
if (opts::dump::DumpSectionContribs) {
if (auto EC = dumpSectionContribs())
return EC;
}
if (opts::dump::DumpSectionMap) {
if (auto EC = dumpSectionMap())
return EC;
}
P.NewLine();
return Error::success();
}
static void printHeader(LinePrinter &P, const Twine &S) {
P.NewLine();
P.formatLine("{0,=60}", S);
P.formatLine("{0}", fmt_repeat('=', 60));
}
Error DumpOutputStyle::dumpFileSummary() {
printHeader(P, "Summary");
if (File.isObj()) {
printStreamNotValidForObj();
return Error::success();
}
AutoIndent Indent(P);
ExitOnError Err("Invalid PDB Format: ");
P.formatLine("Block Size: {0}", getPdb().getBlockSize());
P.formatLine("Number of blocks: {0}", getPdb().getBlockCount());
P.formatLine("Number of streams: {0}", getPdb().getNumStreams());
auto &PS = Err(getPdb().getPDBInfoStream());
P.formatLine("Signature: {0}", PS.getSignature());
P.formatLine("Age: {0}", PS.getAge());
P.formatLine("GUID: {0}", fmt_guid(PS.getGuid().Guid));
P.formatLine("Features: {0:x+}", static_cast<uint32_t>(PS.getFeatures()));
P.formatLine("Has Debug Info: {0}", getPdb().hasPDBDbiStream());
P.formatLine("Has Types: {0}", getPdb().hasPDBTpiStream());
P.formatLine("Has IDs: {0}", getPdb().hasPDBIpiStream());
P.formatLine("Has Globals: {0}", getPdb().hasPDBGlobalsStream());
P.formatLine("Has Publics: {0}", getPdb().hasPDBPublicsStream());
if (getPdb().hasPDBDbiStream()) {
DbiStream &DBI = Err(getPdb().getPDBDbiStream());
P.formatLine("Is incrementally linked: {0}", DBI.isIncrementallyLinked());
P.formatLine("Has conflicting types: {0}", DBI.hasCTypes());
P.formatLine("Is stripped: {0}", DBI.isStripped());
}
return Error::success();
}
static StatCollection getSymbolStats(const SymbolGroup &SG,
StatCollection &CumulativeStats) {
StatCollection Stats;
if (SG.getFile().isPdb() && SG.hasDebugStream()) {
// For PDB files, all symbols are packed into one stream.
for (const auto &S : SG.getPdbModuleStream().symbols(nullptr)) {
Stats.update(S.kind(), S.length());
CumulativeStats.update(S.kind(), S.length());
}
return Stats;
}
for (const auto &SS : SG.getDebugSubsections()) {
// For object files, all symbols are spread across multiple Symbol
// subsections of a given .debug$S section.
if (SS.kind() != DebugSubsectionKind::Symbols)
continue;
DebugSymbolsSubsectionRef Symbols;
BinaryStreamReader Reader(SS.getRecordData());
cantFail(Symbols.initialize(Reader));
for (const auto &S : Symbols) {
Stats.update(S.kind(), S.length());
CumulativeStats.update(S.kind(), S.length());
}
}
return Stats;
}
static StatCollection getChunkStats(const SymbolGroup &SG,
StatCollection &CumulativeStats) {
StatCollection Stats;
for (const auto &Chunk : SG.getDebugSubsections()) {
Stats.update(uint32_t(Chunk.kind()), Chunk.getRecordLength());
CumulativeStats.update(uint32_t(Chunk.kind()), Chunk.getRecordLength());
}
return Stats;
}
static inline std::string formatModuleDetailKind(DebugSubsectionKind K) {
return formatChunkKind(K, false);
}
static inline std::string formatModuleDetailKind(SymbolKind K) {
return formatSymbolKind(K);
}
// Get the stats sorted by size, descending.
std::vector<StatCollection::KindAndStat>
StatCollection::getStatsSortedBySize() const {
std::vector<KindAndStat> SortedStats(Individual.begin(), Individual.end());
llvm::stable_sort(SortedStats,
[](const KindAndStat &LHS, const KindAndStat &RHS) {
return LHS.second.Size > RHS.second.Size;
});
return SortedStats;
}
template <typename Kind>
static void printModuleDetailStats(LinePrinter &P, StringRef Label,
const StatCollection &Stats) {
P.NewLine();
P.formatLine(" {0}", Label);
AutoIndent Indent(P);
P.formatLine("{0,40}: {1,7} entries ({2,12:N} bytes)", "Total",
Stats.Totals.Count, Stats.Totals.Size);
P.formatLine("{0}", fmt_repeat('-', 74));
for (const auto &K : Stats.getStatsSortedBySize()) {
std::string KindName = formatModuleDetailKind(Kind(K.first));
P.formatLine("{0,40}: {1,7} entries ({2,12:N} bytes)", KindName,
K.second.Count, K.second.Size);
}
}
Error DumpOutputStyle::dumpStreamSummary() {
printHeader(P, "Streams");
if (File.isObj()) {
printStreamNotValidForObj();
return Error::success();
}
AutoIndent Indent(P);
if (StreamPurposes.empty())
discoverStreamPurposes(getPdb(), StreamPurposes);
uint32_t StreamCount = getPdb().getNumStreams();
uint32_t MaxStreamSize = getPdb().getMaxStreamSize();
for (uint32_t StreamIdx = 0; StreamIdx < StreamCount; ++StreamIdx) {
P.formatLine(
"Stream {0} ({1} bytes): [{2}]",
fmt_align(StreamIdx, AlignStyle::Right, NumDigits(StreamCount)),
fmt_align(getPdb().getStreamByteSize(StreamIdx), AlignStyle::Right,
NumDigits(MaxStreamSize)),
StreamPurposes[StreamIdx].getLongName());
if (opts::dump::DumpStreamBlocks) {
auto Blocks = getPdb().getStreamBlockList(StreamIdx);
std::vector<uint32_t> BV(Blocks.begin(), Blocks.end());
P.formatLine(" {0} Blocks: [{1}]",
fmt_repeat(' ', NumDigits(StreamCount)),
make_range(BV.begin(), BV.end()));
}
}
return Error::success();
}
static Expected<std::pair<std::unique_ptr<MappedBlockStream>,
ArrayRef<llvm::object::coff_section>>>
loadSectionHeaders(PDBFile &File, DbgHeaderType Type) {
if (!File.hasPDBDbiStream())
return make_error<StringError>(
"Section headers require a DBI Stream, which could not be loaded",
inconvertibleErrorCode());
DbiStream &Dbi = cantFail(File.getPDBDbiStream());
uint32_t SI = Dbi.getDebugStreamIndex(Type);
if (SI == kInvalidStreamIndex)
return make_error<StringError>(
"PDB does not contain the requested image section header type",
inconvertibleErrorCode());
auto Stream = File.createIndexedStream(SI);
if (!Stream)
return make_error<StringError>("Could not load the required stream data",
inconvertibleErrorCode());
ArrayRef<object::coff_section> Headers;
if (Stream->getLength() % sizeof(object::coff_section) != 0)
return make_error<StringError>(
"Section header array size is not a multiple of section header size",
inconvertibleErrorCode());
uint32_t NumHeaders = Stream->getLength() / sizeof(object::coff_section);
BinaryStreamReader Reader(*Stream);
cantFail(Reader.readArray(Headers, NumHeaders));
return std::make_pair(std::move(Stream), Headers);
}
static Expected<std::vector<std::string>> getSectionNames(PDBFile &File) {
auto ExpectedHeaders = loadSectionHeaders(File, DbgHeaderType::SectionHdr);
if (!ExpectedHeaders)
return ExpectedHeaders.takeError();
std::unique_ptr<MappedBlockStream> Stream;
ArrayRef<object::coff_section> Headers;
std::tie(Stream, Headers) = std::move(*ExpectedHeaders);
std::vector<std::string> Names;
for (const auto &H : Headers)
Names.push_back(H.Name);
return Names;
}
static void dumpSectionContrib(LinePrinter &P, const SectionContrib &SC,
ArrayRef<std::string> SectionNames,
uint32_t FieldWidth) {
std::string NameInsert;
if (SC.ISect > 0 && SC.ISect <= SectionNames.size()) {
StringRef SectionName = SectionNames[SC.ISect - 1];
NameInsert = formatv("[{0}]", SectionName).str();
} else
NameInsert = "[???]";
P.formatLine("SC{5} | mod = {2}, {0}, size = {1}, data crc = {3}, reloc "
"crc = {4}",
formatSegmentOffset(SC.ISect, SC.Off), fmtle(SC.Size),
fmtle(SC.Imod), fmtle(SC.DataCrc), fmtle(SC.RelocCrc),
fmt_align(NameInsert, AlignStyle::Left, FieldWidth + 2));
AutoIndent Indent(P, FieldWidth + 2);
P.formatLine(" {0}",
formatSectionCharacteristics(P.getIndentLevel() + 6,
SC.Characteristics, 3, " | "));
}
static void dumpSectionContrib(LinePrinter &P, const SectionContrib2 &SC,
ArrayRef<std::string> SectionNames,
uint32_t FieldWidth) {
P.formatLine("SC2[{6}] | mod = {2}, {0}, size = {1}, data crc = {3}, reloc "
"crc = {4}, coff section = {5}",
formatSegmentOffset(SC.Base.ISect, SC.Base.Off),
fmtle(SC.Base.Size), fmtle(SC.Base.Imod), fmtle(SC.Base.DataCrc),
fmtle(SC.Base.RelocCrc), fmtle(SC.ISectCoff));
P.formatLine(" {0}",
formatSectionCharacteristics(P.getIndentLevel() + 6,
SC.Base.Characteristics, 3, " | "));
}
Error DumpOutputStyle::dumpModules() {
printHeader(P, "Modules");
if (File.isObj()) {
printStreamNotValidForObj();
return Error::success();
}
if (!getPdb().hasPDBDbiStream()) {
printStreamNotPresent("DBI");
return Error::success();
}
AutoIndent Indent(P);
Expected<DbiStream &> StreamOrErr = getPdb().getPDBDbiStream();
if (!StreamOrErr)
return StreamOrErr.takeError();
DbiStream &Stream = *StreamOrErr;
const DbiModuleList &Modules = Stream.modules();
return iterateSymbolGroups(
File, PrintScope{P, 11},
[&](uint32_t Modi, const SymbolGroup &Strings) -> Error {
auto Desc = Modules.getModuleDescriptor(Modi);
if (opts::dump::DumpSectionContribs) {
auto SectionsOrErr = getSectionNames(getPdb());
if (!SectionsOrErr)
return SectionsOrErr.takeError();
ArrayRef<std::string> Sections = *SectionsOrErr;
dumpSectionContrib(P, Desc.getSectionContrib(), Sections, 0);
}
P.formatLine("Obj: `{0}`: ", Desc.getObjFileName());
P.formatLine("debug stream: {0}, # files: {1}, has ec info: {2}",
Desc.getModuleStreamIndex(), Desc.getNumberOfFiles(),
Desc.hasECInfo());
auto PdbPathOrErr = Stream.getECName(Desc.getPdbFilePathNameIndex());
if (!PdbPathOrErr)
return PdbPathOrErr.takeError();
StringRef PdbFilePath = *PdbPathOrErr;
auto SrcPathOrErr = Stream.getECName(Desc.getSourceFileNameIndex());
if (!SrcPathOrErr)
return SrcPathOrErr.takeError();
StringRef SrcFilePath = *SrcPathOrErr;
P.formatLine("pdb file ni: {0} `{1}`, src file ni: {2} `{3}`",
Desc.getPdbFilePathNameIndex(), PdbFilePath,
Desc.getSourceFileNameIndex(), SrcFilePath);
return Error::success();
});
}
Error DumpOutputStyle::dumpModuleFiles() {
printHeader(P, "Files");
if (File.isObj()) {
printStreamNotValidForObj();
return Error::success();
}
if (!getPdb().hasPDBDbiStream()) {
printStreamNotPresent("DBI");
return Error::success();
}
return iterateSymbolGroups(
File, PrintScope{P, 11},
[this](uint32_t Modi, const SymbolGroup &Strings) -> Error {
Expected<DbiStream &> StreamOrErr = getPdb().getPDBDbiStream();
if (!StreamOrErr)
return StreamOrErr.takeError();
DbiStream &Stream = *StreamOrErr;
const DbiModuleList &Modules = Stream.modules();
for (const auto &F : Modules.source_files(Modi)) {
Strings.formatFromFileName(P, F);
}
return Error::success();
});
}
Error DumpOutputStyle::dumpSymbolStats() {
printHeader(P, "Module Stats");
if (File.isPdb() && !getPdb().hasPDBDbiStream()) {
printStreamNotPresent("DBI");
return Error::success();
}
StatCollection SymStats;
StatCollection ChunkStats;
PrintScope Scope(P, 2);
if (Error Err = iterateSymbolGroups(
File, Scope, [&](uint32_t Modi, const SymbolGroup &SG) -> Error {
StatCollection SS = getSymbolStats(SG, SymStats);
StatCollection CS = getChunkStats(SG, ChunkStats);
if (!SG.getFile().isPdb())
return Error::success();
AutoIndent Indent(P);
auto Modules = cantFail(File.pdb().getPDBDbiStream()).modules();
uint32_t ModCount = Modules.getModuleCount();
DbiModuleDescriptor Desc = Modules.getModuleDescriptor(Modi);
uint32_t StreamIdx = Desc.getModuleStreamIndex();
if (StreamIdx == kInvalidStreamIndex) {
P.formatLine(
"Mod {0} (debug info not present): [{1}]",
fmt_align(Modi, AlignStyle::Right, NumDigits(ModCount)),
Desc.getModuleName());
return Error::success();
}
P.formatLine("Stream {0}, {1} bytes", StreamIdx,
getPdb().getStreamByteSize(StreamIdx));
printModuleDetailStats<SymbolKind>(P, "Symbols", SS);
printModuleDetailStats<DebugSubsectionKind>(P, "Chunks", CS);
return Error::success();
}))
return Err;
if (SymStats.Totals.Count > 0) {
P.printLine(" Summary |");
AutoIndent Indent(P, 4);
printModuleDetailStats<SymbolKind>(P, "Symbols", SymStats);
printModuleDetailStats<DebugSubsectionKind>(P, "Chunks", ChunkStats);
}
return Error::success();
}
Error DumpOutputStyle::dumpTypeStats() {
printHeader(P, "Type Record Stats");
// Iterate the types, categorize by kind, accumulate size stats.
StatCollection TypeStats;
LazyRandomTypeCollection &Types =
opts::dump::DumpTypeStats ? File.types() : File.ids();
for (std::optional<TypeIndex> TI = Types.getFirst(); TI;
TI = Types.getNext(*TI)) {
CVType Type = Types.getType(*TI);
TypeStats.update(uint32_t(Type.kind()), Type.length());
}
P.NewLine();
P.formatLine(" Types");
AutoIndent Indent(P);
P.formatLine("{0,16}: {1,7} entries ({2,12:N} bytes, {3,7} avg)", "Total",
TypeStats.Totals.Count, TypeStats.Totals.Size,
(double)TypeStats.Totals.Size / TypeStats.Totals.Count);
P.formatLine("{0}", fmt_repeat('-', 74));
for (const auto &K : TypeStats.getStatsSortedBySize()) {
P.formatLine("{0,16}: {1,7} entries ({2,12:N} bytes, {3,7} avg)",
formatTypeLeafKind(TypeLeafKind(K.first)), K.second.Count,
K.second.Size, (double)K.second.Size / K.second.Count);
}
return Error::success();
}
static bool isValidNamespaceIdentifier(StringRef S) {
if (S.empty())
return false;
if (std::isdigit(S[0]))
return false;
return llvm::all_of(S, [](char C) { return std::isalnum(C); });
}
namespace {
constexpr uint32_t kNoneUdtKind = 0;
constexpr uint32_t kSimpleUdtKind = 1;
constexpr uint32_t kUnknownUdtKind = 2;
} // namespace
static std::string getUdtStatLabel(uint32_t Kind) {
if (Kind == kNoneUdtKind)
return "<none type>";
if (Kind == kSimpleUdtKind)
return "<simple type>";
if (Kind == kUnknownUdtKind)
return "<unknown type>";
return formatTypeLeafKind(static_cast<TypeLeafKind>(Kind));
}
static uint32_t getLongestTypeLeafName(const StatCollection &Stats) {
size_t L = 0;
for (const auto &Stat : Stats.Individual) {
std::string Label = getUdtStatLabel(Stat.first);
L = std::max(L, Label.size());
}
return static_cast<uint32_t>(L);
}
Error DumpOutputStyle::dumpUdtStats() {
printHeader(P, "S_UDT Record Stats");
if (File.isPdb() && !getPdb().hasPDBGlobalsStream()) {
printStreamNotPresent("Globals");
return Error::success();
}
StatCollection UdtStats;
StatCollection UdtTargetStats;
AutoIndent Indent(P, 4);
auto &TpiTypes = File.types();
StringMap<StatCollection::Stat> NamespacedStats;
size_t LongestNamespace = 0;
auto HandleOneSymbol = [&](const CVSymbol &Sym) {
if (Sym.kind() != SymbolKind::S_UDT)
return;
UdtStats.update(SymbolKind::S_UDT, Sym.length());
UDTSym UDT = cantFail(SymbolDeserializer::deserializeAs<UDTSym>(Sym));
uint32_t Kind = 0;
uint32_t RecordSize = 0;
if (UDT.Type.isNoneType())
Kind = kNoneUdtKind;
else if (UDT.Type.isSimple())
Kind = kSimpleUdtKind;
else if (std::optional<CVType> T = TpiTypes.tryGetType(UDT.Type)) {
Kind = T->kind();
RecordSize = T->length();
} else
Kind = kUnknownUdtKind;
UdtTargetStats.update(Kind, RecordSize);
size_t Pos = UDT.Name.find("::");
if (Pos == StringRef::npos)
return;
StringRef Scope = UDT.Name.take_front(Pos);
if (Scope.empty() || !isValidNamespaceIdentifier(Scope))
return;
LongestNamespace = std::max(LongestNamespace, Scope.size());
NamespacedStats[Scope].update(RecordSize);
};
P.NewLine();
if (File.isPdb()) {
auto &SymbolRecords = cantFail(getPdb().getPDBSymbolStream());
auto ExpGlobals = getPdb().getPDBGlobalsStream();
if (!ExpGlobals)
return ExpGlobals.takeError();
for (uint32_t PubSymOff : ExpGlobals->getGlobalsTable()) {
CVSymbol Sym = SymbolRecords.readRecord(PubSymOff);
HandleOneSymbol(Sym);
}
} else {
for (const auto &Sec : File.symbol_groups()) {
for (const auto &SS : Sec.getDebugSubsections()) {
if (SS.kind() != DebugSubsectionKind::Symbols)
continue;
DebugSymbolsSubsectionRef Symbols;
BinaryStreamReader Reader(SS.getRecordData());
cantFail(Symbols.initialize(Reader));
for (const auto &S : Symbols)
HandleOneSymbol(S);
}
}
}
LongestNamespace += StringRef(" namespace ''").size();
size_t LongestTypeLeafKind = getLongestTypeLeafName(UdtTargetStats);
size_t FieldWidth = std::max(LongestNamespace, LongestTypeLeafKind);
// Compute the max number of digits for count and size fields, including comma
// separators.
StringRef CountHeader("Count");
StringRef SizeHeader("Size");
size_t CD = NumDigits(UdtStats.Totals.Count);
CD += (CD - 1) / 3;
CD = std::max(CD, CountHeader.size());
size_t SD = NumDigits(UdtStats.Totals.Size);
SD += (SD - 1) / 3;
SD = std::max(SD, SizeHeader.size());
uint32_t TableWidth = FieldWidth + 3 + CD + 2 + SD + 1;
P.formatLine("{0} | {1} {2}",
fmt_align("Record Kind", AlignStyle::Right, FieldWidth),
fmt_align(CountHeader, AlignStyle::Right, CD),
fmt_align(SizeHeader, AlignStyle::Right, SD));
P.formatLine("{0}", fmt_repeat('-', TableWidth));
for (const auto &Stat : UdtTargetStats.getStatsSortedBySize()) {
std::string Label = getUdtStatLabel(Stat.first);
P.formatLine("{0} | {1:N} {2:N}",
fmt_align(Label, AlignStyle::Right, FieldWidth),
fmt_align(Stat.second.Count, AlignStyle::Right, CD),
fmt_align(Stat.second.Size, AlignStyle::Right, SD));
}
P.formatLine("{0}", fmt_repeat('-', TableWidth));
P.formatLine("{0} | {1:N} {2:N}",
fmt_align("Total (S_UDT)", AlignStyle::Right, FieldWidth),
fmt_align(UdtStats.Totals.Count, AlignStyle::Right, CD),
fmt_align(UdtStats.Totals.Size, AlignStyle::Right, SD));
P.formatLine("{0}", fmt_repeat('-', TableWidth));
struct StrAndStat {
StringRef Key;
StatCollection::Stat Stat;
};
// Print namespace stats in descending order of size.
std::vector<StrAndStat> NamespacedStatsSorted;
for (const auto &Stat : NamespacedStats)
NamespacedStatsSorted.push_back({Stat.getKey(), Stat.second});
llvm::stable_sort(NamespacedStatsSorted,
[](const StrAndStat &L, const StrAndStat &R) {
return L.Stat.Size > R.Stat.Size;
});
for (const auto &Stat : NamespacedStatsSorted) {
std::string Label = std::string(formatv("namespace '{0}'", Stat.Key));
P.formatLine("{0} | {1:N} {2:N}",
fmt_align(Label, AlignStyle::Right, FieldWidth),
fmt_align(Stat.Stat.Count, AlignStyle::Right, CD),
fmt_align(Stat.Stat.Size, AlignStyle::Right, SD));
}
return Error::success();
}
static void typesetLinesAndColumns(LinePrinter &P, uint32_t Start,
const LineColumnEntry &E) {
const uint32_t kMaxCharsPerLineNumber = 4; // 4 digit line number
uint32_t MinColumnWidth = kMaxCharsPerLineNumber + 5;
// Let's try to keep it under 100 characters
constexpr uint32_t kMaxRowLength = 100;
// At least 3 spaces between columns.
uint32_t ColumnsPerRow = kMaxRowLength / (MinColumnWidth + 3);
uint32_t ItemsLeft = E.LineNumbers.size();
auto LineIter = E.LineNumbers.begin();
while (ItemsLeft != 0) {
uint32_t RowColumns = std::min(ItemsLeft, ColumnsPerRow);
for (uint32_t I = 0; I < RowColumns; ++I) {
LineInfo Line(LineIter->Flags);
std::string LineStr;
if (Line.isAlwaysStepInto())
LineStr = "ASI";
else if (Line.isNeverStepInto())
LineStr = "NSI";
else
LineStr = utostr(Line.getStartLine());
char Statement = Line.isStatement() ? ' ' : '!';
P.format("{0} {1:X-} {2} ",
fmt_align(LineStr, AlignStyle::Right, kMaxCharsPerLineNumber),
fmt_align(Start + LineIter->Offset, AlignStyle::Right, 8, '0'),
Statement);
++LineIter;
--ItemsLeft;
}
P.NewLine();
}
}
Error DumpOutputStyle::dumpLines() {
printHeader(P, "Lines");
if (File.isPdb() && !getPdb().hasPDBDbiStream()) {
printStreamNotPresent("DBI");
return Error::success();
}
uint32_t LastModi = UINT32_MAX;
uint32_t LastNameIndex = UINT32_MAX;
return iterateModuleSubsections<DebugLinesSubsectionRef>(
File, PrintScope{P, 4},
[this, &LastModi,
&LastNameIndex](uint32_t Modi, const SymbolGroup &Strings,
DebugLinesSubsectionRef &Lines) -> Error {
uint16_t Segment = Lines.header()->RelocSegment;
uint32_t Begin = Lines.header()->RelocOffset;
uint32_t End = Begin + Lines.header()->CodeSize;
for (const auto &Block : Lines) {
if (LastModi != Modi || LastNameIndex != Block.NameIndex) {
LastModi = Modi;
LastNameIndex = Block.NameIndex;
Strings.formatFromChecksumsOffset(P, Block.NameIndex);
}
AutoIndent Indent(P, 2);
P.formatLine("{0:X-4}:{1:X-8}-{2:X-8}, ", Segment, Begin, End);
uint32_t Count = Block.LineNumbers.size();
if (Lines.hasColumnInfo())
P.format("line/column/addr entries = {0}", Count);
else
P.format("line/addr entries = {0}", Count);
P.NewLine();
typesetLinesAndColumns(P, Begin, Block);
}
return Error::success();
});
}
Error DumpOutputStyle::dumpInlineeLines() {
printHeader(P, "Inlinee Lines");
if (File.isPdb() && !getPdb().hasPDBDbiStream()) {
printStreamNotPresent("DBI");
return Error::success();
}
return iterateModuleSubsections<DebugInlineeLinesSubsectionRef>(
File, PrintScope{P, 2},
[this](uint32_t Modi, const SymbolGroup &Strings,
DebugInlineeLinesSubsectionRef &Lines) -> Error {
P.formatLine("{0,+8} | {1,+5} | {2}", "Inlinee", "Line", "Source File");
for (const auto &Entry : Lines) {
P.formatLine("{0,+8} | {1,+5} | ", Entry.Header->Inlinee,
fmtle(Entry.Header->SourceLineNum));
Strings.formatFromChecksumsOffset(P, Entry.Header->FileID, true);
for (const auto &ExtraFileID : Entry.ExtraFiles) {
P.formatLine(" ");
Strings.formatFromChecksumsOffset(P, ExtraFileID, true);
}
}
P.NewLine();
return Error::success();
});
}
Error DumpOutputStyle::dumpXmi() {
printHeader(P, "Cross Module Imports");
if (File.isPdb() && !getPdb().hasPDBDbiStream()) {
printStreamNotPresent("DBI");
return Error::success();
}
return iterateModuleSubsections<DebugCrossModuleImportsSubsectionRef>(
File, PrintScope{P, 2},
[this](uint32_t Modi, const SymbolGroup &Strings,
DebugCrossModuleImportsSubsectionRef &Imports) -> Error {
P.formatLine("{0,=32} | {1}", "Imported Module", "Type IDs");
for (const auto &Xmi : Imports) {
auto ExpectedModule =
Strings.getNameFromStringTable(Xmi.Header->ModuleNameOffset);
StringRef Module;
SmallString<32> ModuleStorage;
if (!ExpectedModule) {
Module = "(unknown module)";
consumeError(ExpectedModule.takeError());
} else
Module = *ExpectedModule;
if (Module.size() > 32) {
ModuleStorage = "...";
ModuleStorage += Module.take_back(32 - 3);
Module = ModuleStorage;
}
std::vector<std::string> TIs;
for (const auto I : Xmi.Imports)
TIs.push_back(std::string(formatv("{0,+10:X+}", fmtle(I))));
std::string Result =
typesetItemList(TIs, P.getIndentLevel() + 35, 12, " ");
P.formatLine("{0,+32} | {1}", Module, Result);
}
return Error::success();
});
}
Error DumpOutputStyle::dumpXme() {
printHeader(P, "Cross Module Exports");
if (File.isPdb() && !getPdb().hasPDBDbiStream()) {
printStreamNotPresent("DBI");
return Error::success();
}
return iterateModuleSubsections<DebugCrossModuleExportsSubsectionRef>(
File, PrintScope{P, 2},
[this](uint32_t Modi, const SymbolGroup &Strings,
DebugCrossModuleExportsSubsectionRef &Exports) -> Error {
P.formatLine("{0,-10} | {1}", "Local ID", "Global ID");
for (const auto &Export : Exports) {
P.formatLine("{0,+10:X+} | {1}", TypeIndex(Export.Local),
TypeIndex(Export.Global));
}
return Error::success();
});
}
std::string formatFrameType(object::frame_type FT) {
switch (FT) {
case object::frame_type::Fpo:
return "FPO";
case object::frame_type::NonFpo:
return "Non-FPO";
case object::frame_type::Trap:
return "Trap";
case object::frame_type::Tss:
return "TSS";
}
return "<unknown>";
}
Error DumpOutputStyle::dumpOldFpo(PDBFile &File) {
printHeader(P, "Old FPO Data");
ExitOnError Err("Error dumping old fpo data:");
DbiStream &Dbi = Err(File.getPDBDbiStream());
if (!Dbi.hasOldFpoRecords()) {
printStreamNotPresent("FPO");
return Error::success();
}
const FixedStreamArray<object::FpoData>& Records = Dbi.getOldFpoRecords();
P.printLine(" RVA | Code | Locals | Params | Prolog | Saved Regs | Use "
"BP | Has SEH | Frame Type");
for (const object::FpoData &FD : Records) {
P.formatLine("{0:X-8} | {1,4} | {2,6} | {3,6} | {4,6} | {5,10} | {6,6} | "
"{7,7} | {8,9}",
uint32_t(FD.Offset), uint32_t(FD.Size), uint32_t(FD.NumLocals),
uint32_t(FD.NumParams), FD.getPrologSize(),