LLDB: lldb_private::plugin::dwarf::DWARFDebugInfo Class Reference

LLDB mainline

#include <DWARFDebugInfo.h>

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, 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 *	GetSkeletonUnit (DWARFUnit *dwo_unit)
DWARFTypeUnit *	GetTypeUnitForHash (uint64_t hash)
bool	ContainsTypeUnits ()
DWARFDIE	GetDIE (DIERef::Section section, dw_offset_t die_offset)
const DWARFDebugAranges &	GetCompileUnitAranges ()
const std::shared_ptr< SymbolFileDWARFDwo > &	GetDwpSymbolFile ()

Protected Types
typedef std::vector< DWARFUnitSP >	UnitColl

Protected Attributes
SymbolFileDWARF &	m_dwarf
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
llvm::DenseMap< uint64_t, DWARFUnit * >	m_dwarf5_dwo_id_to_skeleton_unit
llvm::DenseMap< uint64_t, DWARFUnit * >	m_dwarf4_dwo_id_to_skeleton_unit
llvm::once_flag	m_dwarf4_dwo_id_to_skeleton_unit_once_flag

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(* lldb_private::plugin::dwarf::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> lldb_private::plugin::dwarf::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 46 of file DWARFDebugInfo.h.

Constructor & Destructor Documentation

◆ DWARFDebugInfo() [1/2]

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

explicit

Definition at line 34 of file DWARFDebugInfo.cpp.

References m_context, m_cu_aranges_up, m_dwarf, and m_units.

Referenced by DWARFDebugInfo(), and operator=().

◆ DWARFDebugInfo() [2/2]

lldb_private::plugin::dwarf::DWARFDebugInfo::DWARFDebugInfo ( const DWARFDebugInfo & )

privatedelete

References DWARFDebugInfo().

Member Function Documentation

◆ ContainsTypeUnits()

bool DWARFDebugInfo::ContainsTypeUnits ( )

Definition at line 247 of file DWARFDebugInfo.cpp.

References m_type_hash_to_unit_index, and ParseUnitHeadersIfNeeded().

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

◆ FindUnitIndex()

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

private

Definition at line 193 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 37 of file DWARFDebugInfo.cpp.

References lldb_private::plugin::dwarf::DWARFUnit::BuildAddressRangeTable(), lldb_private::ObjectFile::CanTrustAddressRanges(), DW_INVALID_OFFSET, GetNumUnits(), lldb_private::plugin::dwarf::DWARFUnit::GetOffset(), GetUnitAtIndex(), m_context, m_cu_aranges_up, and m_dwarf.

◆ GetDIE()

DWARFDIE DWARFDebugInfo::GetDIE	(	DIERef::Section	section,
		dw_offset_t	die_offset )

Definition at line 256 of file DWARFDebugInfo.cpp.

References lldb_private::plugin::dwarf::DWARFDIE::GetDIE(), and GetUnitContainingDIEOffset().

Referenced by lldb_private::plugin::dwarf::SymbolFileDWARF::GetDIE(), and lldb_private::plugin::dwarf::SymbolFileDWARFDwo::GetDIE().

◆ GetDwpSymbolFile()

const std::shared_ptr< SymbolFileDWARFDwo > & DWARFDebugInfo::GetDwpSymbolFile ( )

Definition at line 235 of file DWARFDebugInfo.cpp.

References m_dwarf.

◆ GetNumUnits()

size_t DWARFDebugInfo::GetNumUnits ( )

Definition at line 181 of file DWARFDebugInfo.cpp.

References m_units, and ParseUnitHeadersIfNeeded().

Referenced by lldb_private::plugin::dwarf::SymbolFileDWARF::BuildCuTranslationTable(), lldb_private::plugin::dwarf::SymbolFileDWARF::CalculateNumCompileUnits(), lldb_private::plugin::dwarf::SymbolFileDWARFDwo::FindSingleCompileUnit(), GetCompileUnitAranges(), lldb_private::plugin::dwarf::SymbolFileDWARF::GetDebugInfoSize(), lldb_private::plugin::dwarf::SymbolFileDWARF::GetDwoStats(), lldb_private::plugin::dwarf::SymbolFileDWARF::GetMangledNamesForFunction(), lldb_private::plugin::dwarf::SymbolFileDWARF::GetSeparateDebugInfo(), GetSkeletonUnit(), GetUnitAtIndex(), lldb_private::plugin::dwarf::ManualDWARFIndex::Index(), and lldb_private::plugin::dwarf::ManualDWARFIndex::IndexUnit().

◆ GetSkeletonUnit()

DWARFUnit * DWARFDebugInfo::GetSkeletonUnit ( DWARFUnit * dwo_unit )

Definition at line 124 of file DWARFDebugInfo.cpp.

References lldb_private::plugin::dwarf::DWARFUnit::GetDWOId(), GetNumUnits(), GetUnitAtIndex(), lldb_private::plugin::dwarf::DWARFUnit::GetVersion(), lldb_private::plugin::dwarf::DWARFUnit::IsDWOUnit(), m_dwarf4_dwo_id_to_skeleton_unit, m_dwarf4_dwo_id_to_skeleton_unit_once_flag, m_dwarf5_dwo_id_to_skeleton_unit, and ParseUnitHeadersIfNeeded().

Referenced by lldb_private::plugin::dwarf::SymbolFileDWARF::GetSkeletonUnit().

◆ GetTypeUnitForHash()

DWARFTypeUnit * DWARFDebugInfo::GetTypeUnitForHash ( uint64_t hash )

Definition at line 239 of file DWARFDebugInfo.cpp.

References GetUnitAtIndex(), and m_type_hash_to_unit_index.

Referenced by lldb_private::plugin::dwarf::DebugNamesDWARFIndex::GetForeignTypeUnit().

◆ GetUnitAtIndex()

DWARFUnit * DWARFDebugInfo::GetUnitAtIndex ( size_t idx )

Definition at line 186 of file DWARFDebugInfo.cpp.

References GetNumUnits(), and m_units.

Referenced by lldb_private::plugin::dwarf::SymbolFileDWARF::BuildCuTranslationTable(), lldb_private::plugin::dwarf::SymbolFileDWARFDwo::FindSingleCompileUnit(), GetCompileUnitAranges(), lldb_private::plugin::dwarf::SymbolFileDWARF::GetDebugInfoSize(), lldb_private::plugin::dwarf::SymbolFileDWARF::GetDIERefSymbolFile(), lldb_private::plugin::dwarf::SymbolFileDWARF::GetDWARFCompileUnit(), lldb_private::plugin::dwarf::SymbolFileDWARF::GetDwoStats(), lldb_private::plugin::dwarf::SymbolFileDWARF::GetMangledNamesForFunction(), lldb_private::plugin::dwarf::SymbolFileDWARF::GetSeparateDebugInfo(), GetSkeletonUnit(), GetTypeUnitForHash(), GetUnitAtOffset(), GetUnitContainingDIEOffset(), lldb_private::plugin::dwarf::ManualDWARFIndex::Index(), lldb_private::plugin::dwarf::ManualDWARFIndex::IndexUnit(), lldb_private::plugin::dwarf::SymbolFileDWARF::ParseVariablesForContext(), and lldb_private::plugin::dwarf::SymbolFileDWARF::UpdateExternalModuleListIfNeeded().

◆ GetUnitAtOffset()

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

Definition at line 211 of file DWARFDebugInfo.cpp.

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

◆ GetUnitContainingDIEOffset()

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

Definition at line 226 of file DWARFDebugInfo.cpp.

References lldb_private::plugin::dwarf::DWARFUnit::ContainsDIEOffset(), FindUnitIndex(), and GetUnitAtIndex().

Referenced by GetDIE().

◆ operator=()

const DWARFDebugInfo & lldb_private::plugin::dwarf::DWARFDebugInfo::operator= ( const DWARFDebugInfo & )

privatedelete

References DWARFDebugInfo().

◆ ParseUnitHeadersIfNeeded()

void DWARFDebugInfo::ParseUnitHeadersIfNeeded ( )

private

Definition at line 173 of file DWARFDebugInfo.cpp.

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

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

◆ ParseUnitsFor()

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

private

Definition at line 79 of file DWARFDebugInfo.cpp.

References lldb_private::DebugInfo, lldb_private::plugin::dwarf::DIERef::DebugTypes, lldb_private::plugin::dwarf::DWARFUnit::extract(), lldb_private::GetLog(), LLDB_LOG, m_context, m_dwarf, m_dwarf5_dwo_id_to_skeleton_unit, m_type_hash_to_unit_index, m_units, and lldb_private::DataExtractor::ValidOffset().

Referenced by ParseUnitHeadersIfNeeded().

Member Data Documentation

◆ m_context

DWARFContext& lldb_private::plugin::dwarf::DWARFDebugInfo::m_context

protected

Definition at line 61 of file DWARFDebugInfo.h.

Referenced by DWARFDebugInfo(), GetCompileUnitAranges(), and ParseUnitsFor().

◆ m_cu_aranges_up

std::unique_ptr<DWARFDebugAranges> lldb_private::plugin::dwarf::DWARFDebugInfo::m_cu_aranges_up

protected

Definition at line 67 of file DWARFDebugInfo.h.

Referenced by DWARFDebugInfo(), and GetCompileUnitAranges().

◆ m_dwarf

SymbolFileDWARF& lldb_private::plugin::dwarf::DWARFDebugInfo::m_dwarf

protected

Definition at line 60 of file DWARFDebugInfo.h.

Referenced by DWARFDebugInfo(), GetCompileUnitAranges(), GetDwpSymbolFile(), and ParseUnitsFor().

◆ m_dwarf4_dwo_id_to_skeleton_unit

llvm::DenseMap<uint64_t, DWARFUnit *> lldb_private::plugin::dwarf::DWARFDebugInfo::m_dwarf4_dwo_id_to_skeleton_unit

protected

Definition at line 71 of file DWARFDebugInfo.h.

Referenced by GetSkeletonUnit().

◆ m_dwarf4_dwo_id_to_skeleton_unit_once_flag

llvm::once_flag lldb_private::plugin::dwarf::DWARFDebugInfo::m_dwarf4_dwo_id_to_skeleton_unit_once_flag

protected

Definition at line 72 of file DWARFDebugInfo.h.

Referenced by GetSkeletonUnit().

◆ m_dwarf5_dwo_id_to_skeleton_unit

llvm::DenseMap<uint64_t, DWARFUnit *> lldb_private::plugin::dwarf::DWARFDebugInfo::m_dwarf5_dwo_id_to_skeleton_unit

protected

Definition at line 70 of file DWARFDebugInfo.h.

Referenced by GetSkeletonUnit(), and ParseUnitsFor().

◆ m_type_hash_to_unit_index

std::vector<std::pair<uint64_t, uint32_t> > lldb_private::plugin::dwarf::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 lldb_private::plugin::dwarf::DWARFDebugInfo::m_units

protected

Definition at line 64 of file DWARFDebugInfo.h.

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

◆ m_units_once_flag

llvm::once_flag lldb_private::plugin::dwarf::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: