DWARFLinkerUnit.h Source File (original) (raw)

9#ifndef LLVM_LIB_DWARFLINKER_PARALLEL_DWARFLINKERUNIT_H

10#define LLVM_LIB_DWARFLINKER_PARALLEL_DWARFLINKERUNIT_H

21namespace llvm {

30public:

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148 };

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154 virtual void

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164protected:

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170 std::optional<uint64_t>

172 std::optional<uint64_t> LengthOffset);

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210};

211

213 switch (Language) {

214 case dwarf::DW_LANG_C_plus_plus:

215 case dwarf::DW_LANG_C_plus_plus_03:

216 case dwarf::DW_LANG_C_plus_plus_11:

217 case dwarf::DW_LANG_C_plus_plus_14:

218 case dwarf::DW_LANG_ObjC_plus_plus:

219 return true;

220 default:

221 return false;

222 };

223

224 return false;

225}

226

227}

228}

229}

230

231#endif

Analysis containing CSE Info

Dwarf abbreviation, describes the organization of a debug information object.

A structured debug information entry.

Lightweight error class with error context and mandatory checking.

FoldingSet - This template class is used to instantiate a specialized implementation of the folding s...

StringRef - Represent a constant reference to a string, i.e.

Triple - Helper class for working with autoconf configuration names.

Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...

This class stores values sequentually and assigns index to the each value.

Base class for all Dwarf units(Compile unit/Type table unit).

Definition DWARFLinkerUnit.h:29

FileNamesCache FileNames

Definition DWARFLinkerUnit.h:206

unsigned getUniqueID() const

Unique id of the unit.

Definition DWARFLinkerUnit.h:38

DenseMap< uint64_t, std::pair< std::string, std::string > > FileNamesCache

Cache for file names for this unit.

Definition DWARFLinkerUnit.h:204

std::string UnitName

The name of this unit.

Definition DWARFLinkerUnit.h:178

LinkingGlobalData & getGlobalData()

Return global data.

Definition DWARFLinkerUnit.h:56

std::vector< std::unique_ptr< DIEAbbrev > > Abbreviations

Storage for the unique Abbreviations.

Definition DWARFLinkerUnit.h:198

dwarf::Tag getTag() const

Returns unit DWARF tag.

Definition DWARFLinkerUnit.h:87

DIE * OutUnitDIE

Output unit DIE.

Definition DWARFLinkerUnit.h:201

std::string SysRoot

The DW_AT_LLVM_sysroot of this unit.

Definition DWARFLinkerUnit.h:181

bool isClangModule() const

Return true if this compile unit is from Clang module.

Definition DWARFLinkerUnit.h:50

uint64_t getUnitSize() const

Returns size of this(newly generated) compile unit.

Definition DWARFLinkerUnit.h:41

void assignAbbrev(DIEAbbrev &Abbrev)

Adds Abbrev into unit`s abbreviation table.

void setInterconnectedCU()

Mark this unit as inter-connected(it references/referenced by other unit).

Definition DWARFLinkerUnit.h:63

IndexedValuesMap< const StringEntry * > DebugStringIndexMap

Maps a string into the index inside .debug_str_offsets section.

Definition DWARFLinkerUnit.h:209

std::optional< uint64_t > emitPubAcceleratorEntry(SectionDescriptor &OutSection, const AccelInfo &Info, std::optional< uint64_t > LengthOffset)

Emit single pubnames/pubtypes accelerator entry.

virtual ~DwarfUnit()=default

unsigned ID

Unique ID for the unit.

Definition DWARFLinkerUnit.h:175

StringRef getUnitName() const

Returns this unit name.

Definition DWARFLinkerUnit.h:44

const std::string & getClangModuleName() const

Return Clang module name;.

Definition DWARFLinkerUnit.h:53

uint64_t UnitSize

Definition DWARFLinkerUnit.h:186

std::atomic< bool > IsInterconnectedCU

true if current unit references_to/is_referenced by other unit.

Definition DWARFLinkerUnit.h:192

void setOutUnitDIE(DIE *UnitDie)

Set output unit DIE.

Definition DWARFLinkerUnit.h:77

DwarfUnit(LinkingGlobalData &GlobalData, unsigned ID, StringRef ClangModuleName)

Definition DWARFLinkerUnit.h:32

std::string ClangModuleName

If this is a Clang module, this holds the module's name.

Definition DWARFLinkerUnit.h:184

dwarf::Tag UnitTag

DWARF unit tag.

Definition DWARFLinkerUnit.h:189

bool isInterconnectedCU() const

Returns true if unit is inter-connected(it references/referenced by other unit).

Definition DWARFLinkerUnit.h:60

virtual uint64_t getDebugStrIndex(const StringEntry *String)

Returns index(inside .debug_str_offsets) of specified string.

Definition DWARFLinkerUnit.h:160

const std::vector< std::unique_ptr< DIEAbbrev > > & getAbbreviations() const

Returns abbreviations for this compile unit.

Definition DWARFLinkerUnit.h:69

void emitDwarfAbbrevEntry(const DIEAbbrev &Abbrev, SectionDescriptor &AbbrevSection)

Emit single abbreviation entry.

FoldingSet< DIEAbbrev > AbbreviationsSet

FoldingSet that uniques the abbreviations.

Definition DWARFLinkerUnit.h:195

StringRef getSysRoot()

Return the DW_AT_LLVM_sysroot of the compile unit or an empty StringRef.

Definition DWARFLinkerUnit.h:47

DIE * getOutUnitDIE()

Returns output unit DIE.

Definition DWARFLinkerUnit.h:74

This class keeps data and services common for the whole linking process.

OutputSections(LinkingGlobalData &GlobalData)

LinkingGlobalData & GlobalData

uint16_t getDebugInfoHeaderSize() const

Return size of header of debug_info table.

An efficient, type-erasing, non-owning reference to a callable.

AccelType

Definition DWARFLinkerUnit.h:118

Error emitDebugInfo(const Triple &TargetTriple)

Emit .debug_info section for unit DIEs.

Error emitDebugStringOffsetSection()

Emit the .debug_str_offsets section for current unit.

virtual void forEachAcceleratorRecord(function_ref< void(AccelInfo &)> Handler)=0

Enumerates accelerator data.

void emitPubAccelerators()

Emit .debug_pubnames and .debug_pubtypes for Unit.

void error(const Twine &Err)

Definition DWARFLinkerUnit.h:111

void warn(const Twine &Warning)

Definition DWARFLinkerUnit.h:109

Error emitAbbreviations()

Error emitDebugLine(const Triple &TargetTriple, const DWARFDebugLine::LineTable &OutLineTable)

Emit .debug_line section.

@ Name

Definition DWARFLinkerUnit.h:118

@ None

Definition DWARFLinkerUnit.h:118

@ Type

Definition DWARFLinkerUnit.h:118

@ Namespace

Definition DWARFLinkerUnit.h:118

@ ObjC

Definition DWARFLinkerUnit.h:118

bool isODRLanguage(uint16_t Language)

Definition DWARFLinkerUnit.h:212

DenseMap< uint64_t, DwarfUnit * > MacroOffset2UnitMapTy

Definition DWARFLinkerUnit.h:26

StringMapEntry< EmptyStringSetTag > StringEntry

StringEntry keeps data of the string: the length, external offset and a string body which is placed r...

This is an optimization pass for GlobalISel generic memory operations.

This structure keeps fields which would be used for creating accelerator table.

Definition DWARFLinkerUnit.h:122

bool AvoidForPubSections

Avoid emitting this entry for pub sections.

Definition DWARFLinkerUnit.h:144

StringEntry * String

Name of the entry.

Definition DWARFLinkerUnit.h:129

uint64_t OutOffset

Output offset of the DIE this entry describes.

Definition DWARFLinkerUnit.h:132

AccelType Type

Type of this accelerator record.

Definition DWARFLinkerUnit.h:141

uint32_t QualifiedNameHash

Hash of the fully qualified name.

Definition DWARFLinkerUnit.h:135

AccelInfo()

Definition DWARFLinkerUnit.h:123

bool ObjcClassImplementation

Is this an ObjC class implementation?

Definition DWARFLinkerUnit.h:147

dwarf::Tag Tag

Tag of the DIE this entry describes.

Definition DWARFLinkerUnit.h:138

This structure is used to keep data of the concrete section.