LLDB: DWARFDebugInfo Class Reference

LLDB mainline

#include <DWARFDebugInfo.h>

Collaboration diagram for DWARFDebugInfo:

Collaboration graph

[legend]

Public Types
enum	{ eDumpFlag_Verbose = (1 << 0) , eDumpFlag_ShowForm = (1 << 1) , eDumpFlag_ShowAncestors }

typedef dw_offset_t(*	Callback) (SymbolFileDWARF dwarf2Data, DWARFUnit cu, DWARFDebugInfoEntry die, const dw_offset_t next_offset, const uint32_t depth, void userData)

Public Member Functions
	DWARFDebugInfo (SymbolFileDWARF &dwarf, lldb_private::DWARFContext &context)

size_t	GetNumUnits ()

DWARFUnit *	GetUnitAtIndex (size_t idx)

DWARFUnit *	GetUnitAtOffset (DIERef::Section section, dw_offset_t cu_offset, uint32_t *idx_ptr=nullptr)

DWARFUnit *	GetUnitContainingDIEOffset (DIERef::Section section, dw_offset_t die_offset)

DWARFUnit *	GetUnit (const DIERef &die_ref)

DWARFTypeUnit *	GetTypeUnitForHash (uint64_t hash)

bool	ContainsTypeUnits ()

DWARFDIE	GetDIE (const DIERef &die_ref)

const DWARFDebugAranges &	GetCompileUnitAranges ()

Protected Types
typedef std::vector< DWARFUnitSP >	UnitColl

Protected Attributes
SymbolFileDWARF &	m_dwarf

lldb_private::DWARFContext &	m_context

llvm::once_flag	m_units_once_flag

UnitColl	m_units

std::unique_ptr< DWARFDebugAranges >	m_cu_aranges_up

std::vector< std::pair< uint64_t, uint32_t > >	m_type_hash_to_unit_index

Private Member Functions
void	ParseUnitHeadersIfNeeded ()

void	ParseUnitsFor (DIERef::Section section)

uint32_t	FindUnitIndex (DIERef::Section section, dw_offset_t offset)

	DWARFDebugInfo (const DWARFDebugInfo &)=delete

const DWARFDebugInfo &	operator= (const DWARFDebugInfo &)=delete

Detailed Description

Definition at line 26 of file DWARFDebugInfo.h.

Member Typedef Documentation

◆ Callback

typedef dw_offset_t(* DWARFDebugInfo::Callback) (SymbolFileDWARF *dwarf2Data, DWARFUnit *cu, DWARFDebugInfoEntry *die, const dw_offset_t next_offset, const uint32_t depth, void *userData)

Definition at line 28 of file DWARFDebugInfo.h.

◆ UnitColl

typedef std::vector<DWARFUnitSP> DWARFDebugInfo::UnitColl

protected

Definition at line 58 of file DWARFDebugInfo.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
eDumpFlag_Verbose
eDumpFlag_ShowForm
eDumpFlag_ShowAncestors

Definition at line 48 of file DWARFDebugInfo.h.

Constructor & Destructor Documentation

◆ DWARFDebugInfo() [1/2]

DWARFDebugInfo::DWARFDebugInfo	(	SymbolFileDWARF &	dwarf,
		lldb_private::DWARFContext &	context
	)

explicit

Definition at line 32 of file DWARFDebugInfo.cpp.

◆ DWARFDebugInfo() [2/2]

DWARFDebugInfo::DWARFDebugInfo ( const DWARFDebugInfo & )

privatedelete

Member Function Documentation

◆ ContainsTypeUnits()

bool DWARFDebugInfo::ContainsTypeUnits ( )

Definition at line 179 of file DWARFDebugInfo.cpp.

References m_type_hash_to_unit_index, and ParseUnitHeadersIfNeeded().

Referenced by SymbolFileDWARF::BuildCuTranslationTable(), SymbolFileDWARFDwo::FindSingleCompileUnit(), and lldb_private::ManualDWARFIndex::Index().

◆ FindUnitIndex()

uint32_t DWARFDebugInfo::FindUnitIndex	(	DIERef::Section	section,
		dw_offset_t	offset
	)

private

Definition at line 125 of file DWARFDebugInfo.cpp.

References DW_INVALID_INDEX, m_units, and ParseUnitHeadersIfNeeded().

Referenced by GetUnitAtOffset(), and GetUnitContainingDIEOffset().

◆ GetCompileUnitAranges()

const DWARFDebugAranges & DWARFDebugInfo::GetCompileUnitAranges ( )

Definition at line 36 of file DWARFDebugInfo.cpp.

References DWARFUnit::BuildAddressRangeTable(), lldb_private::ObjectFile::CanTrustAddressRanges(), DW_INVALID_OFFSET, GetNumUnits(), lldb_private::SymbolFileCommon::GetObjectFile(), DWARFUnit::GetOffset(), lldb_private::DWARFContext::getOrLoadArangesData(), GetUnitAtIndex(), m_context, m_cu_aranges_up, and m_dwarf.

◆ GetDIE()

DWARFDIE DWARFDebugInfo::GetDIE ( const DIERef & die_ref )

Definition at line 188 of file DWARFDebugInfo.cpp.

References DIERef::die_offset(), DWARFUnit::GetDIE(), DWARFUnit::GetNonSkeletonUnit(), and GetUnit().

Referenced by lldb_private::DebugNamesDWARFIndex::GetCompleteObjCClass(), SymbolFileDWARF::GetDIE(), and SymbolFileDWARFDwo::GetDIE().

◆ GetNumUnits()

size_t DWARFDebugInfo::GetNumUnits ( )

Definition at line 113 of file DWARFDebugInfo.cpp.

References m_units, and ParseUnitHeadersIfNeeded().

Referenced by SymbolFileDWARF::BuildCuTranslationTable(), SymbolFileDWARF::CalculateNumCompileUnits(), SymbolFileDWARFDwo::FindSingleCompileUnit(), GetCompileUnitAranges(), SymbolFileDWARF::GetMangledNamesForFunction(), GetUnitAtIndex(), lldb_private::ManualDWARFIndex::Index(), and lldb_private::ManualDWARFIndex::IndexUnit().

◆ GetTypeUnitForHash()

DWARFTypeUnit * DWARFDebugInfo::GetTypeUnitForHash ( uint64_t hash )

Definition at line 171 of file DWARFDebugInfo.cpp.

References GetUnitAtIndex(), and m_type_hash_to_unit_index.

Referenced by DWARFFormValue::Reference().

◆ GetUnit()

DWARFUnit * DWARFDebugInfo::GetUnit ( const DIERef & die_ref )

Definition at line 157 of file DWARFDebugInfo.cpp.

References DIERef::die_offset(), GetUnitContainingDIEOffset(), and DIERef::section().

Referenced by lldb_private::DebugNamesDWARFIndex::GetCompleteObjCClass(), and GetDIE().

◆ GetUnitAtIndex()

DWARFUnit * DWARFDebugInfo::GetUnitAtIndex ( size_t idx )

Definition at line 118 of file DWARFDebugInfo.cpp.

References GetNumUnits(), and m_units.

Referenced by SymbolFileDWARF::BuildCuTranslationTable(), SymbolFileDWARFDwo::FindSingleCompileUnit(), GetCompileUnitAranges(), SymbolFileDWARF::GetDIE(), SymbolFileDWARF::GetDWARFCompileUnit(), SymbolFileDWARF::GetMangledNamesForFunction(), GetTypeUnitForHash(), GetUnitAtOffset(), GetUnitContainingDIEOffset(), lldb_private::ManualDWARFIndex::Index(), lldb_private::ManualDWARFIndex::IndexUnit(), SymbolFileDWARF::ParseVariablesForContext(), SymbolFileDWARF::Supports_DW_AT_APPLE_objc_complete_type(), and SymbolFileDWARF::UpdateExternalModuleListIfNeeded().

◆ GetUnitAtOffset()

DWARFUnit * DWARFDebugInfo::GetUnitAtOffset	(	DIERef::Section	section,
		dw_offset_t	cu_offset,
		uint32_t *	idx_ptr = `nullptr`
	)

Definition at line 143 of file DWARFDebugInfo.cpp.

References DW_INVALID_INDEX, FindUnitIndex(), DWARFUnit::GetOffset(), and GetUnitAtIndex().

Referenced by lldb_private::DebugNamesDWARFIndex::ToDIERef().

◆ GetUnitContainingDIEOffset()

DWARFUnit * DWARFDebugInfo::GetUnitContainingDIEOffset	(	DIERef::Section	section,
		dw_offset_t	die_offset
	)

Definition at line 162 of file DWARFDebugInfo.cpp.

References DWARFUnit::ContainsDIEOffset(), FindUnitIndex(), and GetUnitAtIndex().

Referenced by GetUnit(), and DWARFFormValue::Reference().

◆ operator=()

const DWARFDebugInfo & DWARFDebugInfo::operator= ( const DWARFDebugInfo & )

privatedelete

◆ ParseUnitHeadersIfNeeded()

void DWARFDebugInfo::ParseUnitHeadersIfNeeded ( )

private

Definition at line 105 of file DWARFDebugInfo.cpp.

References DIERef::DebugInfo, DIERef::DebugTypes, m_type_hash_to_unit_index, m_units_once_flag, and ParseUnitsFor().

Referenced by ContainsTypeUnits(), FindUnitIndex(), and GetNumUnits().

◆ ParseUnitsFor()

void DWARFDebugInfo::ParseUnitsFor ( DIERef::Section section )

private

Definition at line 78 of file DWARFDebugInfo.cpp.

References DIERef::DebugTypes, DWARFUnit::extract(), lldb_private::DWARFContext::getOrLoadDebugInfoData(), lldb_private::DWARFContext::getOrLoadDebugTypesData(), m_context, m_dwarf, m_type_hash_to_unit_index, m_units, and lldb_private::DataExtractor::ValidOffset().

Referenced by ParseUnitHeadersIfNeeded().

Member Data Documentation

◆ m_context

lldb_private::DWARFContext& DWARFDebugInfo::m_context

protected

Definition at line 61 of file DWARFDebugInfo.h.

Referenced by GetCompileUnitAranges(), and ParseUnitsFor().

◆ m_cu_aranges_up

std::unique_ptr<DWARFDebugAranges> DWARFDebugInfo::m_cu_aranges_up

protected

Definition at line 67 of file DWARFDebugInfo.h.

Referenced by GetCompileUnitAranges().

◆ m_dwarf

SymbolFileDWARF& DWARFDebugInfo::m_dwarf

protected

Definition at line 60 of file DWARFDebugInfo.h.

Referenced by GetCompileUnitAranges(), and ParseUnitsFor().

◆ m_type_hash_to_unit_index

std::vector<std::pair<uint64_t, uint32_t> > DWARFDebugInfo::m_type_hash_to_unit_index

protected

Definition at line 69 of file DWARFDebugInfo.h.

Referenced by ContainsTypeUnits(), GetTypeUnitForHash(), ParseUnitHeadersIfNeeded(), and ParseUnitsFor().

◆ m_units

UnitColl DWARFDebugInfo::m_units

protected

Definition at line 64 of file DWARFDebugInfo.h.

Referenced by FindUnitIndex(), GetNumUnits(), GetUnitAtIndex(), and ParseUnitsFor().

◆ m_units_once_flag

llvm::once_flag DWARFDebugInfo::m_units_once_flag

protected

Definition at line 63 of file DWARFDebugInfo.h.

Referenced by ParseUnitHeadersIfNeeded().

The documentation for this class was generated from the following files: