Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 138 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/DebugInfo/PDB/Native/DbiStream.h b/clang-r353983/include/llvm/DebugInfo/PDB/Native/DbiStream.h
new file mode 100644
index 00000000..7d75c159
--- /dev/null
+++ b/clang-r353983/include/llvm/DebugInfo/PDB/Native/DbiStream.h
@@ -0,0 +1,138 @@
+//===- DbiStream.h - PDB Dbi Stream (Stream 3) Access -----------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_DEBUGINFO_PDB_RAW_PDBDBISTREAM_H
+#define LLVM_DEBUGINFO_PDB_RAW_PDBDBISTREAM_H
+
+#include "llvm/DebugInfo/CodeView/DebugSubsection.h"
+#include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h"
+#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
+#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
+#include "llvm/DebugInfo/PDB/Native/DbiModuleList.h"
+#include "llvm/DebugInfo/PDB/Native/PDBStringTable.h"
+#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
+#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
+#include "llvm/DebugInfo/PDB/PDBTypes.h"
+#include "llvm/Support/BinaryStreamArray.h"
+#include "llvm/Support/BinaryStreamRef.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+
+namespace llvm {
+namespace object {
+struct FpoData;
+struct coff_section;
+}
+
+namespace pdb {
+class DbiStreamBuilder;
+class PDBFile;
+class ISectionContribVisitor;
+
+class DbiStream {
+  friend class DbiStreamBuilder;
+
+public:
+  explicit DbiStream(std::unique_ptr<BinaryStream> Stream);
+  ~DbiStream();
+  Error reload(PDBFile *Pdb);
+
+  PdbRaw_DbiVer getDbiVersion() const;
+  uint32_t getAge() const;
+  uint16_t getPublicSymbolStreamIndex() const;
+  uint16_t getGlobalSymbolStreamIndex() const;
+
+  uint16_t getFlags() const;
+  bool isIncrementallyLinked() const;
+  bool hasCTypes() const;
+  bool isStripped() const;
+
+  uint16_t getBuildNumber() const;
+  uint16_t getBuildMajorVersion() const;
+  uint16_t getBuildMinorVersion() const;
+
+  uint16_t getPdbDllRbld() const;
+  uint32_t getPdbDllVersion() const;
+
+  uint32_t getSymRecordStreamIndex() const;
+
+  PDB_Machine getMachineType() const;
+
+  const DbiStreamHeader *getHeader() const { return Header; }
+
+  BinarySubstreamRef getSectionContributionData() const;
+  BinarySubstreamRef getSecMapSubstreamData() const;
+  BinarySubstreamRef getModiSubstreamData() const;
+  BinarySubstreamRef getFileInfoSubstreamData() const;
+  BinarySubstreamRef getTypeServerMapSubstreamData() const;
+  BinarySubstreamRef getECSubstreamData() const;
+
+  /// If the given stream type is present, returns its stream index. If it is
+  /// not present, returns InvalidStreamIndex.
+  uint32_t getDebugStreamIndex(DbgHeaderType Type) const;
+
+  const DbiModuleList &modules() const;
+
+  FixedStreamArray<object::coff_section> getSectionHeaders() const;
+
+  bool hasOldFpoRecords() const;
+  FixedStreamArray<object::FpoData> getOldFpoRecords() const;
+  bool hasNewFpoRecords() const;
+  const codeview::DebugFrameDataSubsectionRef &getNewFpoRecords() const;
+
+  FixedStreamArray<SecMapEntry> getSectionMap() const;
+  void visitSectionContributions(ISectionContribVisitor &Visitor) const;
+
+  Expected<StringRef> getECName(uint32_t NI) const;
+
+private:
+  Error initializeSectionContributionData();
+  Error initializeSectionHeadersData(PDBFile *Pdb);
+  Error initializeSectionMapData();
+  Error initializeOldFpoRecords(PDBFile *Pdb);
+  Error initializeNewFpoRecords(PDBFile *Pdb);
+
+  Expected<std::unique_ptr<msf::MappedBlockStream>>
+  createIndexedStreamForHeaderType(PDBFile *Pdb, DbgHeaderType Type) const;
+
+  std::unique_ptr<BinaryStream> Stream;
+
+  PDBStringTable ECNames;
+
+  BinarySubstreamRef SecContrSubstream;
+  BinarySubstreamRef SecMapSubstream;
+  BinarySubstreamRef ModiSubstream;
+  BinarySubstreamRef FileInfoSubstream;
+  BinarySubstreamRef TypeServerMapSubstream;
+  BinarySubstreamRef ECSubstream;
+
+  DbiModuleList Modules;
+
+  FixedStreamArray<support::ulittle16_t> DbgStreams;
+
+  PdbRaw_DbiSecContribVer SectionContribVersion =
+      PdbRaw_DbiSecContribVer::DbiSecContribVer60;
+  FixedStreamArray<SectionContrib> SectionContribs;
+  FixedStreamArray<SectionContrib2> SectionContribs2;
+  FixedStreamArray<SecMapEntry> SectionMap;
+
+  std::unique_ptr<msf::MappedBlockStream> SectionHeaderStream;
+  FixedStreamArray<object::coff_section> SectionHeaders;
+
+  std::unique_ptr<msf::MappedBlockStream> OldFpoStream;
+  FixedStreamArray<object::FpoData> OldFpoRecords;
+  
+  std::unique_ptr<msf::MappedBlockStream> NewFpoStream;
+  codeview::DebugFrameDataSubsectionRef NewFpoRecords;
+
+  const DbiStreamHeader *Header;
+};
+}
+}
+
+#endif