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lldb_private::UnwindTable Class Reference

#include <UnwindTable.h>

Public Member Functions

 UnwindTable (Module &module)
 Create an Unwind table using the data in the given module.
 
 ~UnwindTable ()
 
lldb_private::CallFrameInfo * GetObjectFileUnwindInfo ()
 
lldb_private::DWARFCallFrameInfo * GetEHFrameInfo ()
 
lldb_private::DWARFCallFrameInfo * GetDebugFrameInfo ()
 
lldb_private::CompactUnwindInfo * GetCompactUnwindInfo ()
 
ArmUnwindInfo * GetArmUnwindInfo ()
 
SymbolFile * GetSymbolFile ()
 
lldb::FuncUnwindersSP GetFuncUnwindersContainingAddress (const Address &addr, SymbolContext &sc)
 
bool GetAllowAssemblyEmulationUnwindPlans ()
 
lldb::FuncUnwindersSP GetUncachedFuncUnwindersContainingAddress (const Address &addr, const SymbolContext &sc)
 
ArchSpec GetArchitecture ()
 
void ModuleWasUpdated ()
 Called after an ObjectFile/SymbolFile has been added to a Module to add any new unwind sections that may now be available.
 

Private Types

typedef std::map< lldb::addr_t, lldb::FuncUnwindersSP > collection
 
typedef collection::iterator iterator
 
typedef collection::const_iterator const_iterator
 

Private Member Functions

void Dump (Stream &s)
 
void Initialize ()
 
std::optional< AddressRange > GetAddressRange (const Address &addr, const SymbolContext &sc)
 
 UnwindTable (const UnwindTable &)=delete
 
const UnwindTable & operator= (const UnwindTable &)=delete
 

Private Attributes

Module & m_module
 
collection m_unwinds
 
bool m_scanned_all_unwind_sources
 
std::mutex m_mutex
 
std::unique_ptr< CallFrameInfo > m_object_file_unwind_up
 
std::unique_ptr< DWARFCallFrameInfo > m_eh_frame_up
 
std::unique_ptr< DWARFCallFrameInfo > m_debug_frame_up
 
std::unique_ptr< CompactUnwindInfo > m_compact_unwind_up
 
std::unique_ptr< ArmUnwindInfo > m_arm_unwind_up
 

Detailed Description

Definition at line 24 of file UnwindTable.h.

Member Typedef Documentation

◆ collection

typedef std::map<lldb::addr_t, lldb::FuncUnwindersSP> lldb_private::UnwindTable::collection
private

Definition at line 71 of file UnwindTable.h.

◆ const_iterator

typedef collection::const_iterator lldb_private::UnwindTable::const_iterator
private

Definition at line 73 of file UnwindTable.h.

◆ iterator

typedef collection::iterator lldb_private::UnwindTable::iterator
private

Definition at line 72 of file UnwindTable.h.

Constructor & Destructor Documentation

◆ UnwindTable() [1/2]

UnwindTable::UnwindTable ( Module &  module)
explicit

Create an Unwind table using the data in the given module.

Definition at line 32 of file UnwindTable.cpp.

◆ ~UnwindTable()

UnwindTable::~UnwindTable ( )
default

◆ UnwindTable() [2/2]

lldb_private::UnwindTable::UnwindTable ( const UnwindTable &  )
privatedelete

Member Function Documentation

◆ Dump()

void UnwindTable::Dump ( Stream &  s)
private

Definition at line 168 of file UnwindTable.cpp.

References lldb_private::Stream::EOL(), lldb_private::Stream::Format(), lldb_private::Module::GetFileSpec(), m_module, m_mutex, m_unwinds, and lldb_private::Stream::Printf().

◆ GetAddressRange()

std::optional< AddressRange > UnwindTable::GetAddressRange ( const Address &  addr,
const SymbolContext &  sc 
)
private

Definition at line 94 of file UnwindTable.cpp.

References lldb_private::SymbolContext::GetAddressRange(), lldb_private::AddressRange::GetBaseAddress(), lldb_private::Address::IsValid(), m_debug_frame_up, m_eh_frame_up, and m_object_file_unwind_up.

Referenced by GetFuncUnwindersContainingAddress(), and GetUncachedFuncUnwindersContainingAddress().

◆ GetAllowAssemblyEmulationUnwindPlans()

bool UnwindTable::GetAllowAssemblyEmulationUnwindPlans ( )

Definition at line 209 of file UnwindTable.cpp.

References lldb_private::Module::GetObjectFile(), and m_module.

Referenced by lldb_private::FuncUnwinders::GetAssemblyUnwindPlan().

◆ GetArchitecture()

ArchSpec UnwindTable::GetArchitecture ( )

Definition at line 207 of file UnwindTable.cpp.

References lldb_private::Module::GetArchitecture(), and m_module.

Referenced by lldb_private::FuncUnwinders::GetUnwindAssemblyProfiler().

◆ GetArmUnwindInfo()

ArmUnwindInfo * UnwindTable::GetArmUnwindInfo ( )

Definition at line 200 of file UnwindTable.cpp.

References Initialize(), and m_arm_unwind_up.

Referenced by lldb_private::FuncUnwinders::GetArmUnwindUnwindPlan().

◆ GetCompactUnwindInfo()

CompactUnwindInfo * UnwindTable::GetCompactUnwindInfo ( )

Definition at line 195 of file UnwindTable.cpp.

References Initialize(), and m_compact_unwind_up.

Referenced by lldb_private::FuncUnwinders::GetCompactUnwindUnwindPlan().

◆ GetDebugFrameInfo()

DWARFCallFrameInfo * UnwindTable::GetDebugFrameInfo ( )

Definition at line 190 of file UnwindTable.cpp.

References Initialize(), and m_debug_frame_up.

Referenced by lldb_private::FuncUnwinders::GetDebugFrameUnwindPlan().

◆ GetEHFrameInfo()

DWARFCallFrameInfo * UnwindTable::GetEHFrameInfo ( )

Definition at line 185 of file UnwindTable.cpp.

References Initialize(), and m_eh_frame_up.

Referenced by lldb_private::FuncUnwinders::GetEHFrameUnwindPlan().

◆ GetFuncUnwindersContainingAddress()

FuncUnwindersSP UnwindTable::GetFuncUnwindersContainingAddress ( const Address &  addr,
SymbolContext &  sc 
)

Definition at line 120 of file UnwindTable.cpp.

References GetAddressRange(), lldb_private::Address::GetFileAddress(), Initialize(), m_mutex, and m_unwinds.

◆ GetObjectFileUnwindInfo()

lldb_private::CallFrameInfo * UnwindTable::GetObjectFileUnwindInfo ( )

Definition at line 180 of file UnwindTable.cpp.

References Initialize(), and m_object_file_unwind_up.

Referenced by lldb_private::FuncUnwinders::GetObjectFileUnwindPlan().

◆ GetSymbolFile()

SymbolFile * UnwindTable::GetSymbolFile ( )

Definition at line 205 of file UnwindTable.cpp.

References lldb_private::Module::GetSymbolFile(), and m_module.

Referenced by lldb_private::FuncUnwinders::GetSymbolFileUnwindPlan().

◆ GetUncachedFuncUnwindersContainingAddress()

FuncUnwindersSP UnwindTable::GetUncachedFuncUnwindersContainingAddress ( const Address &  addr,
const SymbolContext &  sc 
)

Definition at line 157 of file UnwindTable.cpp.

References GetAddressRange(), and Initialize().

◆ Initialize()

void UnwindTable::Initialize ( )
private

Definition at line 39 of file UnwindTable.cpp.

References lldb_private::ObjectFile::CreateCallFrameInfo(), lldb_private::DWARFCallFrameInfo::DWARF, lldb_private::DWARFCallFrameInfo::EH, lldb::eSectionTypeARMexidx, lldb::eSectionTypeARMextab, lldb::eSectionTypeCompactUnwind, lldb::eSectionTypeDWARFDebugFrame, lldb::eSectionTypeEHFrame, lldb_private::SectionList::FindSectionByType(), lldb_private::Module::GetObjectFile(), lldb_private::Module::GetSectionList(), m_arm_unwind_up, m_compact_unwind_up, m_debug_frame_up, m_eh_frame_up, m_module, m_mutex, m_object_file_unwind_up, and m_scanned_all_unwind_sources.

Referenced by GetArmUnwindInfo(), GetCompactUnwindInfo(), GetDebugFrameInfo(), GetEHFrameInfo(), GetFuncUnwindersContainingAddress(), GetObjectFileUnwindInfo(), and GetUncachedFuncUnwindersContainingAddress().

◆ ModuleWasUpdated()

void UnwindTable::ModuleWasUpdated ( )

Called after an ObjectFile/SymbolFile has been added to a Module to add any new unwind sections that may now be available.

Definition at line 86 of file UnwindTable.cpp.

References m_mutex, and m_scanned_all_unwind_sources.

Referenced by lldb_private::Module::GetMemoryObjectFile(), lldb_private::Module::GetObjectFile(), and lldb_private::Module::GetSymbolFile().

◆ operator=()

const UnwindTable & lldb_private::UnwindTable::operator= ( const UnwindTable &  )
privatedelete

Member Data Documentation

◆ m_arm_unwind_up

std::unique_ptr<ArmUnwindInfo> lldb_private::UnwindTable::m_arm_unwind_up
private

Definition at line 89 of file UnwindTable.h.

Referenced by GetArmUnwindInfo(), and Initialize().

◆ m_compact_unwind_up

std::unique_ptr<CompactUnwindInfo> lldb_private::UnwindTable::m_compact_unwind_up
private

Definition at line 88 of file UnwindTable.h.

Referenced by GetCompactUnwindInfo(), and Initialize().

◆ m_debug_frame_up

std::unique_ptr<DWARFCallFrameInfo> lldb_private::UnwindTable::m_debug_frame_up
private

Definition at line 87 of file UnwindTable.h.

Referenced by GetAddressRange(), GetDebugFrameInfo(), and Initialize().

◆ m_eh_frame_up

std::unique_ptr<DWARFCallFrameInfo> lldb_private::UnwindTable::m_eh_frame_up
private

Definition at line 86 of file UnwindTable.h.

Referenced by GetAddressRange(), GetEHFrameInfo(), and Initialize().

◆ m_module

Module& lldb_private::UnwindTable::m_module
private

Definition at line 75 of file UnwindTable.h.

Referenced by Dump(), GetAllowAssemblyEmulationUnwindPlans(), GetArchitecture(), GetSymbolFile(), and Initialize().

◆ m_mutex

std::mutex lldb_private::UnwindTable::m_mutex
private

Definition at line 83 of file UnwindTable.h.

Referenced by Dump(), GetFuncUnwindersContainingAddress(), Initialize(), and ModuleWasUpdated().

◆ m_object_file_unwind_up

std::unique_ptr<CallFrameInfo> lldb_private::UnwindTable::m_object_file_unwind_up
private

Definition at line 85 of file UnwindTable.h.

Referenced by GetAddressRange(), GetObjectFileUnwindInfo(), and Initialize().

◆ m_scanned_all_unwind_sources

bool lldb_private::UnwindTable::m_scanned_all_unwind_sources
private

Definition at line 78 of file UnwindTable.h.

Referenced by Initialize(), and ModuleWasUpdated().

◆ m_unwinds

collection lldb_private::UnwindTable::m_unwinds
private

Definition at line 76 of file UnwindTable.h.

Referenced by Dump(), and GetFuncUnwindersContainingAddress().

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