153 lines
6.5 KiB
C++
153 lines
6.5 KiB
C++
//===- StreamUtil.cpp - PDB stream utilities --------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "StreamUtil.h"
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#include "FormatUtil.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/DenseMapInfo.h"
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#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
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#include "llvm/DebugInfo/PDB/Native/DbiModuleList.h"
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#include "llvm/DebugInfo/PDB/Native/DbiStream.h"
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#include "llvm/DebugInfo/PDB/Native/InfoStream.h"
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#include "llvm/DebugInfo/PDB/Native/PDBFile.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::pdb;
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void llvm::pdb::discoverStreamPurposes(
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PDBFile &File,
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SmallVectorImpl<std::pair<StreamPurpose, std::string>> &Purposes) {
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// It's OK if we fail to load some of these streams, we still attempt to print
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// what we can.
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auto Dbi = File.getPDBDbiStream();
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auto Tpi = File.getPDBTpiStream();
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auto Ipi = File.getPDBIpiStream();
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auto Info = File.getPDBInfoStream();
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uint32_t StreamCount = File.getNumStreams();
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DenseMap<uint16_t, DbiModuleDescriptor> ModStreams;
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DenseMap<uint16_t, std::string> NamedStreams;
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if (Dbi) {
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const DbiModuleList &Modules = Dbi->modules();
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for (uint32_t I = 0; I < Modules.getModuleCount(); ++I) {
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DbiModuleDescriptor Descriptor = Modules.getModuleDescriptor(I);
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uint16_t SN = Descriptor.getModuleStreamIndex();
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if (SN != kInvalidStreamIndex)
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ModStreams[SN] = Descriptor;
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}
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}
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if (Info) {
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for (auto &NSE : Info->named_streams()) {
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if (NSE.second != kInvalidStreamIndex)
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NamedStreams[NSE.second] = NSE.first();
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}
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}
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Purposes.resize(StreamCount);
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for (uint16_t StreamIdx = 0; StreamIdx < StreamCount; ++StreamIdx) {
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std::pair<StreamPurpose, std::string> Value;
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if (StreamIdx == OldMSFDirectory)
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Value = std::make_pair(StreamPurpose::Other, "Old MSF Directory");
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else if (StreamIdx == StreamPDB)
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Value = std::make_pair(StreamPurpose::Other, "PDB Stream");
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else if (StreamIdx == StreamDBI)
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Value = std::make_pair(StreamPurpose::Other, "DBI Stream");
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else if (StreamIdx == StreamTPI)
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Value = std::make_pair(StreamPurpose::Other, "TPI Stream");
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else if (StreamIdx == StreamIPI)
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Value = std::make_pair(StreamPurpose::Other, "IPI Stream");
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else if (Dbi && StreamIdx == Dbi->getGlobalSymbolStreamIndex())
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Value = std::make_pair(StreamPurpose::Other, "Global Symbol Hash");
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else if (Dbi && StreamIdx == Dbi->getPublicSymbolStreamIndex())
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Value = std::make_pair(StreamPurpose::Other, "Public Symbol Hash");
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else if (Dbi && StreamIdx == Dbi->getSymRecordStreamIndex())
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Value = std::make_pair(StreamPurpose::Other, "Public Symbol Records");
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else if (Tpi && StreamIdx == Tpi->getTypeHashStreamIndex())
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Value = std::make_pair(StreamPurpose::Other, "TPI Hash");
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else if (Tpi && StreamIdx == Tpi->getTypeHashStreamAuxIndex())
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Value = std::make_pair(StreamPurpose::Other, "TPI Aux Hash");
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else if (Ipi && StreamIdx == Ipi->getTypeHashStreamIndex())
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Value = std::make_pair(StreamPurpose::Other, "IPI Hash");
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else if (Ipi && StreamIdx == Ipi->getTypeHashStreamAuxIndex())
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Value = std::make_pair(StreamPurpose::Other, "IPI Aux Hash");
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else if (Dbi &&
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StreamIdx == Dbi->getDebugStreamIndex(DbgHeaderType::Exception))
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Value = std::make_pair(StreamPurpose::Other, "Exception Data");
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else if (Dbi && StreamIdx == Dbi->getDebugStreamIndex(DbgHeaderType::Fixup))
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Value = std::make_pair(StreamPurpose::Other, "Fixup Data");
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else if (Dbi && StreamIdx == Dbi->getDebugStreamIndex(DbgHeaderType::FPO))
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Value = std::make_pair(StreamPurpose::Other, "FPO Data");
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else if (Dbi &&
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StreamIdx == Dbi->getDebugStreamIndex(DbgHeaderType::NewFPO))
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Value = std::make_pair(StreamPurpose::Other, "New FPO Data");
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else if (Dbi &&
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StreamIdx == Dbi->getDebugStreamIndex(DbgHeaderType::OmapFromSrc))
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Value = std::make_pair(StreamPurpose::Other, "Omap From Source Data");
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else if (Dbi &&
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StreamIdx == Dbi->getDebugStreamIndex(DbgHeaderType::OmapToSrc))
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Value = std::make_pair(StreamPurpose::Other, "Omap To Source Data");
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else if (Dbi && StreamIdx == Dbi->getDebugStreamIndex(DbgHeaderType::Pdata))
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Value = std::make_pair(StreamPurpose::Other, "Pdata");
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else if (Dbi &&
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StreamIdx == Dbi->getDebugStreamIndex(DbgHeaderType::SectionHdr))
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Value = std::make_pair(StreamPurpose::Other, "Section Header Data");
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else if (Dbi &&
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StreamIdx ==
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Dbi->getDebugStreamIndex(DbgHeaderType::SectionHdrOrig))
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Value =
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std::make_pair(StreamPurpose::Other, "Section Header Original Data");
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else if (Dbi &&
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StreamIdx == Dbi->getDebugStreamIndex(DbgHeaderType::TokenRidMap))
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Value = std::make_pair(StreamPurpose::Other, "Token Rid Data");
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else if (Dbi && StreamIdx == Dbi->getDebugStreamIndex(DbgHeaderType::Xdata))
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Value = std::make_pair(StreamPurpose::Other, "Xdata");
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else {
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auto ModIter = ModStreams.find(StreamIdx);
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auto NSIter = NamedStreams.find(StreamIdx);
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if (ModIter != ModStreams.end()) {
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Value = std::make_pair(StreamPurpose::ModuleStream,
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ModIter->second.getModuleName());
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} else if (NSIter != NamedStreams.end()) {
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Value = std::make_pair(StreamPurpose::NamedStream, NSIter->second);
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} else {
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Value = std::make_pair(StreamPurpose::Other, "???");
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}
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}
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Purposes[StreamIdx] = Value;
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}
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// Consume errors from missing streams.
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if (!Dbi)
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consumeError(Dbi.takeError());
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if (!Tpi)
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consumeError(Tpi.takeError());
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if (!Ipi)
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consumeError(Ipi.takeError());
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if (!Info)
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consumeError(Info.takeError());
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}
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void llvm::pdb::discoverStreamPurposes(PDBFile &File,
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SmallVectorImpl<std::string> &Purposes) {
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SmallVector<std::pair<StreamPurpose, std::string>, 24> SP;
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discoverStreamPurposes(File, SP);
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Purposes.reserve(SP.size());
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for (const auto &P : SP) {
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if (P.first == StreamPurpose::NamedStream)
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Purposes.push_back(formatv("Named Stream \"{0}\"", P.second));
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else if (P.first == StreamPurpose::ModuleStream)
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Purposes.push_back(formatv("Module \"{0}\"", P.second));
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else
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Purposes.push_back(P.second);
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}
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}
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