Classes
class	AddressesMap
	AddressesMap represents information about valid addresses used by debug information. More...

class	ArrayList
	This class is a simple list of T structures. More...

struct	BrokenLink
	A broken link in the keep chain. More...

class	CompileUnit
	Stores all information related to a compile unit, be it in its original instance of the object file or its brand new cloned and generated DIE tree. More...

struct	DebugDieRefPatch
	This structure is used to update reference to the DIE. More...

class	DebugLineSectionEmitter
	This class emits specified line table into the .debug_line section. More...

struct	DebugLineStrPatch
	This structure is used to update strings offsets into .debug_line_str. More...

struct	DebugLocPatch
	This structure is used to update location list offset into .debug_loc/.debug_loclists. More...

struct	DebugOffsetPatch

struct	DebugRangePatch
	This structure is used to update range list offset into .debug_ranges/.debug_rnglists. More...

struct	DebugStrPatch
	This structure is used to update strings offsets into .debug_str. More...

struct	DebugULEB128DieRefPatch
	This structure is used to update reference to the DIE of ULEB128 form. More...

class	DependencyTracker
	This class discovers DIEs dependencies and marks "live" DIEs. More...

class	DIEAttributeCloner
	This class creates clones of input DIE attributes. More...

class	DIEGenerator
	This class is a helper to create output DIE tree. More...

class	DwarfEmitterImpl
	This class emits DWARF data to the output stream. More...

class	DWARFFile
	This class represents DWARF information for source file and it's address map. More...

class	DWARFLinker

class	DWARFLinkerImpl
	This class links debug info. More...

struct	DWARFLinkerOptions
	linking options More...

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

class	ExtraDwarfEmitter
	ExtraDwarfEmitter allows adding extra data to the DWARFLinker output. More...

class	IndexedValuesMap

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

class	OutputSections
	This class keeps contents and offsets to the debug sections. More...

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

struct	SectionPatch
	There are fields(sizes, offsets) which should be updated after sections are generated. More...

class	StringEntryToDwarfStringPoolEntryMap
	This class creates a DwarfStringPoolEntry for the corresponding StringEntry. More...

class	StringPool

class	StringPoolEntryInfo

Typedefs
using	RangesTy = AddressRangesMap
	Mapped value in the address map is the offset to apply to the linked address.

using	StringEntry = StringMapEntry< std::nullopt_t >
	StringEntry keeps data of the string: the length, external offset and a string body which is placed right after StringEntry.

using	OffsetToUnitTy = function_ref< CompileUnit *(uint64_t Offset)>

using	TranslatorFuncTy = std::function< StringRef(StringRef)>

using	MessageHandlerTy = std::function< void(const Twine &Warning, StringRef Context, const DWARFDie *DIE)>

using	MacroOffset2UnitMapTy = DenseMap< uint64_t, DwarfUnit * >

using	OutSectionDataTy = SmallString< 0 >
	Type for section data.

using	OffsetsPtrVector = SmallVector< uint64_t * >
	Type for list of pointers to patches offsets.

Enumerations
enum class	DebugSectionKind : uint8_t { DebugInfo = 0 , DebugLine , DebugFrame , DebugRange , DebugRngLists , DebugLoc , DebugLocLists , DebugARanges , DebugAbbrev , DebugMacinfo , DebugMacro , DebugAddr , DebugStr , DebugLineStr , DebugStrOffsets , NumberOfEnumEntries }
	List of tracked debug tables. More...

Functions
static bool	childrenCanBeRemoved (uint32_t Tag)

static void	resolveRelativeObjectPath (SmallVectorImpl< char > &Buf, DWARFDie CU)
	Resolve the relative path to a build artifact referenced by DWARF by applying DW_AT_comp_dir.

static uint64_t	getDwoId (const DWARFDie &CUDie)

static std::string	remapPath (StringRef Path, const DWARFLinker::ObjectPrefixMapTy &ObjectPrefixMap)

static std::string	getPCMFile (const DWARFDie &CUDie, DWARFLinker::ObjectPrefixMapTy *ObjectPrefixMap)

const StringLiteral &	getSectionName (DebugSectionKind SectionKind)
	Return the name of the section.

std::optional< DebugSectionKind >	parseDebugTableName (StringRef Name)
	Recognise the table name and match it with the DebugSectionKind.

Variables
static constexpr StringLiteral	SectionNames [SectionKindsNum]

static constexpr size_t	SectionKindsNum

Typedef Documentation

◆ MacroOffset2UnitMapTy

using llvm::dwarflinker_parallel::MacroOffset2UnitMapTy = typedef DenseMap<uint64_t, DwarfUnit *>

Definition at line 25 of file DWARFLinkerUnit.h.

◆ MessageHandlerTy

using llvm::dwarflinker_parallel::MessageHandlerTy = typedef std::function<void( const Twine &Warning, StringRef Context, const DWARFDie *DIE)>

Definition at line 24 of file DWARFLinkerGlobalData.h.

◆ OffsetsPtrVector

using llvm::dwarflinker_parallel::OffsetsPtrVector = typedef SmallVector<uint64_t *>

Type for list of pointers to patches offsets.

Definition at line 124 of file OutputSections.h.

◆ OffsetToUnitTy

using llvm::dwarflinker_parallel::OffsetToUnitTy = typedef function_ref<CompileUnit *(uint64_t Offset)>

Definition at line 20 of file DWARFLinkerCompileUnit.h.

◆ OutSectionDataTy

using llvm::dwarflinker_parallel::OutSectionDataTy = typedef SmallString<0>

Type for section data.

Definition at line 121 of file OutputSections.h.

◆ RangesTy

using llvm::dwarflinker_parallel::RangesTy = typedef AddressRangesMap

Mapped value in the address map is the offset to apply to the linked address.

Definition at line 24 of file AddressesMap.h.

◆ StringEntry

using llvm::dwarflinker_parallel::StringEntry = typedef StringMapEntry<std::nullopt_t>

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

Definition at line 24 of file StringPool.h.

◆ TranslatorFuncTy

using llvm::dwarflinker_parallel::TranslatorFuncTy = typedef std::function<StringRef(StringRef)>

Definition at line 23 of file DWARFLinkerGlobalData.h.

Enumeration Type Documentation

◆ DebugSectionKind

enum class llvm::dwarflinker_parallel::DebugSectionKind : uint8_t

strong

List of tracked debug tables.

Enumerator
DebugInfo
DebugLine
DebugFrame
DebugRange
DebugRngLists
DebugLoc
DebugLocLists
DebugARanges
DebugAbbrev
DebugMacinfo
DebugMacro
DebugAddr
DebugStr
DebugLineStr
DebugStrOffsets
NumberOfEnumEntries

Definition at line 34 of file OutputSections.h.

Function Documentation

◆ childrenCanBeRemoved()

static bool llvm::dwarflinker_parallel::childrenCanBeRemoved ( uint32_t Tag )

static

Definition at line 277 of file DependencyTracker.cpp.

References llvm_unreachable.

Referenced by llvm::dwarflinker_parallel::DependencyTracker::addItemToWorklist().

◆ getDwoId()

static uint64_t llvm::dwarflinker_parallel::getDwoId ( const DWARFDie & CUDie )

static

Definition at line 187 of file DWARFLinkerImpl.cpp.

References llvm::DWARFDie::find(), and llvm::dwarf::toUnsigned().

Referenced by llvm::dwarflinker_parallel::DWARFLinkerImpl::LinkContext::isClangModuleRef(), llvm::dwarflinker_parallel::DWARFLinkerImpl::LinkContext::loadClangModule(), and llvm::dwarflinker_parallel::DWARFLinkerImpl::LinkContext::registerModuleReference().

◆ getPCMFile()

static std::string llvm::dwarflinker_parallel::getPCMFile	(	const DWARFDie &	CUDie,
		DWARFLinker::ObjectPrefixMapTy *	ObjectPrefixMap
	)

static

Definition at line 208 of file DWARFLinkerImpl.cpp.

References llvm::DWARFDie::find(), remapPath(), and llvm::dwarf::toString().

Referenced by llvm::dwarflinker_parallel::DWARFLinkerImpl::LinkContext::link(), and llvm::dwarflinker_parallel::DWARFLinkerImpl::LinkContext::registerModuleReference().

◆ getSectionName()

const StringLiteral & llvm::dwarflinker_parallel::getSectionName ( DebugSectionKind SectionKind )

Return the name of the section.

Definition at line 22 of file OutputSections.cpp.

References SectionNames.

Referenced by llvm::dwarflinker_parallel::SectionDescriptor::getName(), and parseDebugTableName().

◆ parseDebugTableName()

std::optional< DebugSectionKind > llvm::dwarflinker_parallel::parseDebugTableName ( llvm::StringRef SecName )

Recognise the table name and match it with the DebugSectionKind.

Definition at line 26 of file OutputSections.cpp.

References DebugAbbrev, DebugAddr, DebugARanges, DebugFrame, DebugInfo, DebugLine, DebugLineStr, DebugLoc, DebugLocLists, DebugMacinfo, DebugMacro, DebugRange, DebugRngLists, DebugStr, DebugStrOffsets, llvm::Default, llvm::StringRef::find_first_not_of(), getSectionName(), and llvm::StringRef::substr().

Referenced by llvm::dwarflinker_parallel::SectionDescriptor::setSizesForSectionCreatedByAsmPrinter().

◆ remapPath()

static std::string llvm::dwarflinker_parallel::remapPath	(	StringRef	Path,
		const DWARFLinker::ObjectPrefixMapTy &	ObjectPrefixMap
	)

static

Definition at line 196 of file DWARFLinkerImpl.cpp.

References llvm::sys::path::replace_path_prefix().

Referenced by getPCMFile().

◆ resolveRelativeObjectPath()

static void llvm::dwarflinker_parallel::resolveRelativeObjectPath	(	SmallVectorImpl< char > &	Buf,
		DWARFDie	CU
	)

static

Resolve the relative path to a build artifact referenced by DWARF by applying DW_AT_comp_dir.

Definition at line 183 of file DWARFLinkerImpl.cpp.

References llvm::sys::path::append(), and llvm::dwarf::toString().

Referenced by llvm::dwarflinker_parallel::DWARFLinkerImpl::LinkContext::loadClangModule().

Variable Documentation

◆ SectionKindsNum

constexpr size_t llvm::dwarflinker_parallel::SectionKindsNum

staticconstexpr

Initial value:

=

static_cast<size_t>(DebugSectionKind::NumberOfEnumEntries)

Definition at line 52 of file OutputSections.h.

◆ SectionNames

constexpr StringLiteral llvm::dwarflinker_parallel::SectionNames[SectionKindsNum]

staticconstexpr

Initial value:

= {
    "debug_info",     "debug_line",     "debug_frame",      "debug_ranges",
    "debug_rnglists", "debug_loc",      "debug_loclists",   "debug_aranges",
    "debug_abbrev",   "debug_macinfo",  "debug_macro",      "debug_addr",
    "debug_str",      "debug_line_str", "debug_str_offsets"}

Definition at line 16 of file OutputSections.cpp.

Referenced by getSectionName().

Classes

Typedefs

Enumerations

Functions

Variables

Typedef Documentation

◆ MacroOffset2UnitMapTy

◆ MessageHandlerTy

◆ OffsetsPtrVector

◆ OffsetToUnitTy

◆ OutSectionDataTy

◆ RangesTy

◆ StringEntry

◆ TranslatorFuncTy

Enumeration Type Documentation

◆ DebugSectionKind

Function Documentation

◆ childrenCanBeRemoved()

◆ getDwoId()

◆ getPCMFile()

◆ getSectionName()

◆ parseDebugTableName()

◆ remapPath()

◆ resolveRelativeObjectPath()

Variable Documentation

◆ SectionKindsNum

◆ SectionNames