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

#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.

◆ DWARFDebugInfo() [2/2]

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

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::SymbolFileCommon::GetObjectFile(), lldb_private::plugin::dwarf::DWARFUnit::GetOffset(), lldb_private::plugin::dwarf::DWARFContext::getOrLoadArangesData(), 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 lldb_private::plugin::dwarf::SymbolFileDWARF::GetDwpSymbolFile(), and m_dwarf.

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

◆ 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::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(), and lldb_private::plugin::dwarf::DWARFFormValue::ReferencedUnitAndOffset().

◆ 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::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().

Referenced by lldb_private::plugin::dwarf::DebugNamesDWARFIndex::GetForeignTypeUnit(), and lldb_private::plugin::dwarf::DebugNamesDWARFIndex::GetNonSkeletonUnit().

◆ 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(), and lldb_private::plugin::dwarf::DWARFFormValue::ReferencedUnitAndOffset().

◆ operator=()

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

◆ 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_private::plugin::dwarf::DWARFContext::getOrLoadDebugInfoData(), lldb_private::plugin::dwarf::DWARFContext::getOrLoadDebugTypesData(), 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 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 GetCompileUnitAranges().

◆ m_dwarf

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

Definition at line 60 of file DWARFDebugInfo.h.

Referenced by 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 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:
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