Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- 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_NATIVE_DBISTREAM_H

#define LLVM_DEBUGINFO_PDB_NATIVE_DBISTREAM_H

#include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.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/PDBTypes.h"

#include "llvm/Support/BinaryStreamArray.h"

#include "llvm/Support/BinaryStreamRef.h"

#include "llvm/Support/Endian.h"

#include "llvm/Support/Error.h"

namespace llvm {

class BinaryStream;

namespace object {

struct FpoData;

struct coff_section;

}

namespace msf {

class MappedBlockStream;

}

namespace pdb {

struct DbiStreamHeader;

struct SecMapEntry;

struct SectionContrib2;

struct SectionContrib;

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