1 files changed, 0 insertions, 412 deletions
diff --git a/contrib/llvm/lib/DebugInfo/PDB/Raw/DbiStreamBuilder.cpp b/contrib/llvm/lib/DebugInfo/PDB/Raw/DbiStreamBuilder.cpp
deleted file mode 100644
index 1d5b8d6..0000000
--- a/contrib/llvm/lib/DebugInfo/PDB/Raw/DbiStreamBuilder.cpp
+++ /dev/null
@@ -1,412 +0,0 @@
-//===- DbiStreamBuilder.cpp - PDB Dbi Stream Creation -----------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/DebugInfo/PDB/Raw/DbiStreamBuilder.h"
-
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/DebugInfo/MSF/MSFBuilder.h"
-#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
-#include "llvm/DebugInfo/MSF/StreamWriter.h"
-#include "llvm/DebugInfo/PDB/Raw/DbiStream.h"
-#include "llvm/DebugInfo/PDB/Raw/RawError.h"
-#include "llvm/Object/COFF.h"
-#include "llvm/Support/COFF.h"
-
-using namespace llvm;
-using namespace llvm::codeview;
-using namespace llvm::msf;
-using namespace llvm::pdb;
-
-namespace {
-class ModiSubstreamBuilder {};
-}
-
-DbiStreamBuilder::DbiStreamBuilder(msf::MSFBuilder &Msf)
-    : Msf(Msf), Allocator(Msf.getAllocator()), Age(1), BuildNumber(0),
-      PdbDllVersion(0), PdbDllRbld(0), Flags(0), MachineType(PDB_Machine::x86),
-      Header(nullptr), DbgStreams((int)DbgHeaderType::Max) {}
-
-void DbiStreamBuilder::setVersionHeader(PdbRaw_DbiVer V) { VerHeader = V; }
-
-void DbiStreamBuilder::setAge(uint32_t A) { Age = A; }
-
-void DbiStreamBuilder::setBuildNumber(uint16_t B) { BuildNumber = B; }
-
-void DbiStreamBuilder::setPdbDllVersion(uint16_t V) { PdbDllVersion = V; }
-
-void DbiStreamBuilder::setPdbDllRbld(uint16_t R) { PdbDllRbld = R; }
-
-void DbiStreamBuilder::setFlags(uint16_t F) { Flags = F; }
-
-void DbiStreamBuilder::setMachineType(PDB_Machine M) { MachineType = M; }
-
-void DbiStreamBuilder::setSectionContribs(ArrayRef<SectionContrib> Arr) {
-  SectionContribs = Arr;
-}
-
-void DbiStreamBuilder::setSectionMap(ArrayRef<SecMapEntry> SecMap) {
-  SectionMap = SecMap;
-}
-
-Error DbiStreamBuilder::addDbgStream(pdb::DbgHeaderType Type,
-                                     ArrayRef<uint8_t> Data) {
-  if (DbgStreams[(int)Type].StreamNumber)
-    return make_error<RawError>(raw_error_code::duplicate_entry,
-                                "The specified stream type already exists");
-  auto ExpectedIndex = Msf.addStream(Data.size());
-  if (!ExpectedIndex)
-    return ExpectedIndex.takeError();
-  uint32_t Index = std::move(*ExpectedIndex);
-  DbgStreams[(int)Type].Data = Data;
-  DbgStreams[(int)Type].StreamNumber = Index;
-  return Error::success();
-}
-
-uint32_t DbiStreamBuilder::calculateSerializedLength() const {
-  // For now we only support serializing the header.
-  return sizeof(DbiStreamHeader) + calculateFileInfoSubstreamSize() +
-         calculateModiSubstreamSize() + calculateSectionContribsStreamSize() +
-         calculateSectionMapStreamSize() + calculateDbgStreamsSize();
-}
-
-Error DbiStreamBuilder::addModuleInfo(StringRef ObjFile, StringRef Module) {
-  auto Entry = llvm::make_unique<ModuleInfo>();
-  ModuleInfo *M = Entry.get();
-  Entry->Mod = Module;
-  Entry->Obj = ObjFile;
-  auto Result = ModuleInfos.insert(std::make_pair(Module, std::move(Entry)));
-  if (!Result.second)
-    return make_error<RawError>(raw_error_code::duplicate_entry,
-                                "The specified module already exists");
-  ModuleInfoList.push_back(M);
-  return Error::success();
-}
-
-Error DbiStreamBuilder::addModuleSourceFile(StringRef Module, StringRef File) {
-  auto ModIter = ModuleInfos.find(Module);
-  if (ModIter == ModuleInfos.end())
-    return make_error<RawError>(raw_error_code::no_entry,
-                                "The specified module was not found");
-  uint32_t Index = SourceFileNames.size();
-  SourceFileNames.insert(std::make_pair(File, Index));
-  auto &ModEntry = *ModIter;
-  ModEntry.second->SourceFiles.push_back(File);
-  return Error::success();
-}
-
-uint32_t DbiStreamBuilder::calculateModiSubstreamSize() const {
-  uint32_t Size = 0;
-  for (const auto &M : ModuleInfoList) {
-    Size += sizeof(ModuleInfoHeader);
-    Size += M->Mod.size() + 1;
-    Size += M->Obj.size() + 1;
-  }
-  return alignTo(Size, sizeof(uint32_t));
-}
-
-uint32_t DbiStreamBuilder::calculateSectionContribsStreamSize() const {
-  if (SectionContribs.empty())
-    return 0;
-  return sizeof(enum PdbRaw_DbiSecContribVer) +
-         sizeof(SectionContribs[0]) * SectionContribs.size();
-}
-
-uint32_t DbiStreamBuilder::calculateSectionMapStreamSize() const {
-  if (SectionMap.empty())
-    return 0;
-  return sizeof(SecMapHeader) + sizeof(SecMapEntry) * SectionMap.size();
-}
-
-uint32_t DbiStreamBuilder::calculateFileInfoSubstreamSize() const {
-  uint32_t Size = 0;
-  Size += sizeof(ulittle16_t);                         // NumModules
-  Size += sizeof(ulittle16_t);                         // NumSourceFiles
-  Size += ModuleInfoList.size() * sizeof(ulittle16_t); // ModIndices
-  Size += ModuleInfoList.size() * sizeof(ulittle16_t); // ModFileCounts
-  uint32_t NumFileInfos = 0;
-  for (const auto &M : ModuleInfoList)
-    NumFileInfos += M->SourceFiles.size();
-  Size += NumFileInfos * sizeof(ulittle32_t); // FileNameOffsets
-  Size += calculateNamesBufferSize();
-  return alignTo(Size, sizeof(uint32_t));
-}
-
-uint32_t DbiStreamBuilder::calculateNamesBufferSize() const {
-  uint32_t Size = 0;
-  for (const auto &F : SourceFileNames) {
-    Size += F.getKeyLength() + 1; // Names[I];
-  }
-  return Size;
-}
-
-uint32_t DbiStreamBuilder::calculateDbgStreamsSize() const {
-  return DbgStreams.size() * sizeof(uint16_t);
-}
-
-Error DbiStreamBuilder::generateModiSubstream() {
-  uint32_t Size = calculateModiSubstreamSize();
-  auto Data = Allocator.Allocate<uint8_t>(Size);
-
-  ModInfoBuffer = MutableByteStream(MutableArrayRef<uint8_t>(Data, Size));
-
-  StreamWriter ModiWriter(ModInfoBuffer);
-  for (const auto &M : ModuleInfoList) {
-    ModuleInfoHeader Layout = {};
-    Layout.ModDiStream = kInvalidStreamIndex;
-    Layout.NumFiles = M->SourceFiles.size();
-    if (auto EC = ModiWriter.writeObject(Layout))
-      return EC;
-    if (auto EC = ModiWriter.writeZeroString(M->Mod))
-      return EC;
-    if (auto EC = ModiWriter.writeZeroString(M->Obj))
-      return EC;
-  }
-  if (ModiWriter.bytesRemaining() > sizeof(uint32_t))
-    return make_error<RawError>(raw_error_code::invalid_format,
-                                "Unexpected bytes in Modi Stream Data");
-  return Error::success();
-}
-
-Error DbiStreamBuilder::generateFileInfoSubstream() {
-  uint32_t Size = calculateFileInfoSubstreamSize();
-  uint32_t NameSize = calculateNamesBufferSize();
-  auto Data = Allocator.Allocate<uint8_t>(Size);
-  uint32_t NamesOffset = Size - NameSize;
-
-  FileInfoBuffer = MutableByteStream(MutableArrayRef<uint8_t>(Data, Size));
-
-  WritableStreamRef MetadataBuffer =
-      WritableStreamRef(FileInfoBuffer).keep_front(NamesOffset);
-  StreamWriter MetadataWriter(MetadataBuffer);
-
-  uint16_t ModiCount = std::min<uint32_t>(UINT16_MAX, ModuleInfos.size());
-  uint16_t FileCount = std::min<uint32_t>(UINT16_MAX, SourceFileNames.size());
-  if (auto EC = MetadataWriter.writeInteger(ModiCount)) // NumModules
-    return EC;
-  if (auto EC = MetadataWriter.writeInteger(FileCount)) // NumSourceFiles
-    return EC;
-  for (uint16_t I = 0; I < ModiCount; ++I) {
-    if (auto EC = MetadataWriter.writeInteger(I)) // Mod Indices
-      return EC;
-  }
-  for (const auto MI : ModuleInfoList) {
-    FileCount = static_cast<uint16_t>(MI->SourceFiles.size());
-    if (auto EC = MetadataWriter.writeInteger(FileCount)) // Mod File Counts
-      return EC;
-  }
-
-  // Before writing the FileNameOffsets array, write the NamesBuffer array.
-  // A side effect of this is that this will actually compute the various
-  // file name offsets, so we can then go back and write the FileNameOffsets
-  // array to the other substream.
-  NamesBuffer = WritableStreamRef(FileInfoBuffer).drop_front(NamesOffset);
-  StreamWriter NameBufferWriter(NamesBuffer);
-  for (auto &Name : SourceFileNames) {
-    Name.second = NameBufferWriter.getOffset();
-    if (auto EC = NameBufferWriter.writeZeroString(Name.getKey()))
-      return EC;
-  }
-
-  for (const auto MI : ModuleInfoList) {
-    for (StringRef Name : MI->SourceFiles) {
-      auto Result = SourceFileNames.find(Name);
-      if (Result == SourceFileNames.end())
-        return make_error<RawError>(raw_error_code::no_entry,
-                                    "The source file was not found.");
-      if (auto EC = MetadataWriter.writeInteger(Result->second))
-        return EC;
-    }
-  }
-
-  if (NameBufferWriter.bytesRemaining() > 0)
-    return make_error<RawError>(raw_error_code::invalid_format,
-                                "The names buffer contained unexpected data.");
-
-  if (MetadataWriter.bytesRemaining() > sizeof(uint32_t))
-    return make_error<RawError>(
-        raw_error_code::invalid_format,
-        "The metadata buffer contained unexpected data.");
-
-  return Error::success();
-}
-
-Error DbiStreamBuilder::finalize() {
-  if (Header)
-    return Error::success();
-
-  DbiStreamHeader *H = Allocator.Allocate<DbiStreamHeader>();
-
-  if (auto EC = generateModiSubstream())
-    return EC;
-  if (auto EC = generateFileInfoSubstream())
-    return EC;
-
-  H->VersionHeader = *VerHeader;
-  H->VersionSignature = -1;
-  H->Age = Age;
-  H->BuildNumber = BuildNumber;
-  H->Flags = Flags;
-  H->PdbDllRbld = PdbDllRbld;
-  H->PdbDllVersion = PdbDllVersion;
-  H->MachineType = static_cast<uint16_t>(MachineType);
-
-  H->ECSubstreamSize = 0;
-  H->FileInfoSize = FileInfoBuffer.getLength();
-  H->ModiSubstreamSize = ModInfoBuffer.getLength();
-  H->OptionalDbgHdrSize = DbgStreams.size() * sizeof(uint16_t);
-  H->SecContrSubstreamSize = calculateSectionContribsStreamSize();
-  H->SectionMapSize = calculateSectionMapStreamSize();
-  H->TypeServerSize = 0;
-  H->SymRecordStreamIndex = kInvalidStreamIndex;
-  H->PublicSymbolStreamIndex = kInvalidStreamIndex;
-  H->MFCTypeServerIndex = kInvalidStreamIndex;
-  H->GlobalSymbolStreamIndex = kInvalidStreamIndex;
-
-  Header = H;
-  return Error::success();
-}
-
-Error DbiStreamBuilder::finalizeMsfLayout() {
-  uint32_t Length = calculateSerializedLength();
-  if (auto EC = Msf.setStreamSize(StreamDBI, Length))
-    return EC;
-  return Error::success();
-}
-
-static uint16_t toSecMapFlags(uint32_t Flags) {
-  uint16_t Ret = 0;
-  if (Flags & COFF::IMAGE_SCN_MEM_READ)
-    Ret |= static_cast<uint16_t>(OMFSegDescFlags::Read);
-  if (Flags & COFF::IMAGE_SCN_MEM_WRITE)
-    Ret |= static_cast<uint16_t>(OMFSegDescFlags::Write);
-  if (Flags & COFF::IMAGE_SCN_MEM_EXECUTE)
-    Ret |= static_cast<uint16_t>(OMFSegDescFlags::Execute);
-  if (Flags & COFF::IMAGE_SCN_MEM_EXECUTE)
-    Ret |= static_cast<uint16_t>(OMFSegDescFlags::Execute);
-  if (!(Flags & COFF::IMAGE_SCN_MEM_16BIT))
-    Ret |= static_cast<uint16_t>(OMFSegDescFlags::AddressIs32Bit);
-
-  // This seems always 1.
-  Ret |= static_cast<uint16_t>(OMFSegDescFlags::IsSelector);
-
-  return Ret;
-}
-
-// A utility function to create Section Contributions
-// for a given input sections.
-std::vector<SectionContrib> DbiStreamBuilder::createSectionContribs(
-    ArrayRef<object::coff_section> SecHdrs) {
-  std::vector<SectionContrib> Ret;
-
-  // Create a SectionContrib for each input section.
-  for (auto &Sec : SecHdrs) {
-    Ret.emplace_back();
-    auto &Entry = Ret.back();
-    memset(&Entry, 0, sizeof(Entry));
-
-    Entry.Off = Sec.PointerToRawData;
-    Entry.Size = Sec.SizeOfRawData;
-    Entry.Characteristics = Sec.Characteristics;
-  }
-  return Ret;
-}
-
-// A utility function to create a Section Map for a given list of COFF sections.
-//
-// A Section Map seem to be a copy of a COFF section list in other format.
-// I don't know why a PDB file contains both a COFF section header and
-// a Section Map, but it seems it must be present in a PDB.
-std::vector<SecMapEntry> DbiStreamBuilder::createSectionMap(
-    ArrayRef<llvm::object::coff_section> SecHdrs) {
-  std::vector<SecMapEntry> Ret;
-  int Idx = 0;
-
-  auto Add = [&]() -> SecMapEntry & {
-    Ret.emplace_back();
-    auto &Entry = Ret.back();
-    memset(&Entry, 0, sizeof(Entry));
-
-    Entry.Frame = Idx + 1;
-
-    // We don't know the meaning of these fields yet.
-    Entry.SecName = UINT16_MAX;
-    Entry.ClassName = UINT16_MAX;
-
-    return Entry;
-  };
-
-  for (auto &Hdr : SecHdrs) {
-    auto &Entry = Add();
-    Entry.Flags = toSecMapFlags(Hdr.Characteristics);
-    Entry.SecByteLength = Hdr.VirtualSize;
-    ++Idx;
-  }
-
-  // The last entry is for absolute symbols.
-  auto &Entry = Add();
-  Entry.Flags = static_cast<uint16_t>(OMFSegDescFlags::AddressIs32Bit) |
-                static_cast<uint16_t>(OMFSegDescFlags::IsAbsoluteAddress);
-  Entry.SecByteLength = UINT32_MAX;
-
-  return Ret;
-}
-
-Error DbiStreamBuilder::commit(const msf::MSFLayout &Layout,
-                               const msf::WritableStream &Buffer) {
-  if (auto EC = finalize())
-    return EC;
-
-  auto InfoS =
-      WritableMappedBlockStream::createIndexedStream(Layout, Buffer, StreamDBI);
-
-  StreamWriter Writer(*InfoS);
-  if (auto EC = Writer.writeObject(*Header))
-    return EC;
-
-  if (auto EC = Writer.writeStreamRef(ModInfoBuffer))
-    return EC;
-
-  if (!SectionContribs.empty()) {
-    if (auto EC = Writer.writeEnum(DbiSecContribVer60))
-      return EC;
-    if (auto EC = Writer.writeArray(SectionContribs))
-      return EC;
-  }
-
-  if (!SectionMap.empty()) {
-    ulittle16_t Size = static_cast<ulittle16_t>(SectionMap.size());
-    SecMapHeader SMHeader = {Size, Size};
-    if (auto EC = Writer.writeObject(SMHeader))
-      return EC;
-    if (auto EC = Writer.writeArray(SectionMap))
-      return EC;
-  }
-
-  if (auto EC = Writer.writeStreamRef(FileInfoBuffer))
-    return EC;
-
-  for (auto &Stream : DbgStreams)
-    if (auto EC = Writer.writeInteger(Stream.StreamNumber))
-      return EC;
-
-  for (auto &Stream : DbgStreams) {
-    if (Stream.StreamNumber == kInvalidStreamIndex)
-      continue;
-    auto WritableStream = WritableMappedBlockStream::createIndexedStream(
-        Layout, Buffer, Stream.StreamNumber);
-    StreamWriter DbgStreamWriter(*WritableStream);
-    if (auto EC = DbgStreamWriter.writeArray(Stream.Data))
-      return EC;
-  }
-
-  if (Writer.bytesRemaining() > 0)
-    return make_error<RawError>(raw_error_code::invalid_format,
-                                "Unexpected bytes found in DBI Stream");
-  return Error::success();
-}