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//===- 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
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