LLDB: lldb_private::Unwind Class Reference

LLDB mainline

#include <Unwind.h>

Inheritance diagram for lldb_private::Unwind:

Public Member Functions
virtual	~Unwind ()=default
void	Clear ()
uint32_t	GetFrameCount ()
uint32_t	GetFramesUpTo (uint32_t end_idx)
bool	GetFrameInfoAtIndex (uint32_t frame_idx, lldb::addr_t &cfa, lldb::addr_t &pc, bool &behaves_like_zeroth_frame)
lldb::RegisterContextSP	CreateRegisterContextForFrame (StackFrame *frame)
Thread &	GetThread ()

Protected Member Functions
	Unwind (Thread &thread)
virtual void	DoClear ()=0
virtual uint32_t	DoGetFrameCount ()=0
virtual bool	DoGetFrameInfoAtIndex (uint32_t frame_idx, lldb::addr_t &cfa, lldb::addr_t &pc, bool &behaves_like_zeroth_frame)=0
virtual lldb::RegisterContextSP	DoCreateRegisterContextForFrame (StackFrame *frame)=0

Protected Attributes
Thread &	m_thread
std::recursive_mutex	m_unwind_mutex

Private Member Functions
	Unwind (const Unwind &)=delete
const Unwind &	operator= (const Unwind &)=delete

Detailed Description

Definition at line 18 of file Unwind.h.

Constructor & Destructor Documentation

◆ Unwind() [1/2]

lldb_private::Unwind::Unwind ( Thread & thread )

inlineprotected

Definition at line 21 of file Unwind.h.

References m_thread.

Referenced by lldb_private::HistoryUnwind::HistoryUnwind(), operator=(), Unwind(), lldb_private::UnwindLLDB::UnwindLLDB(), and lldb_private::wasm::UnwindWasm::UnwindWasm().

◆ ~Unwind()

virtual lldb_private::Unwind::~Unwind ( )

virtualdefault

◆ Unwind() [2/2]

lldb_private::Unwind::Unwind ( const Unwind & )

privatedelete

References Unwind().

Member Function Documentation

◆ Clear()

void lldb_private::Unwind::Clear ( )

inline

Definition at line 26 of file Unwind.h.

References DoClear(), and m_unwind_mutex.

Referenced by lldb_private::Thread::ClearStackFrames().

◆ CreateRegisterContextForFrame()

lldb::RegisterContextSP lldb_private::Unwind::CreateRegisterContextForFrame ( StackFrame * frame )

inline

Definition at line 56 of file Unwind.h.

References DoCreateRegisterContextForFrame(), and m_unwind_mutex.

Referenced by lldb_private::process_gdb_remote::ThreadGDBRemote::CreateRegisterContextForFrame(), lldb_private::ScriptedThread::CreateRegisterContextForFrame(), lldb_private::TargetThreadWindows::CreateRegisterContextForFrame(), lldb_private::wasm::ThreadWasm::CreateRegisterContextForFrame(), ThreadElfCore::CreateRegisterContextForFrame(), ThreadFreeBSDKernel::CreateRegisterContextForFrame(), ThreadKDP::CreateRegisterContextForFrame(), ThreadMachCore::CreateRegisterContextForFrame(), and ThreadMemory::CreateRegisterContextForFrame().

◆ DoClear()

virtual void lldb_private::Unwind::DoClear ( )

protectedpure virtual

Implemented in lldb_private::HistoryUnwind, lldb_private::UnwindLLDB, and lldb_private::wasm::UnwindWasm.

Referenced by Clear().

◆ DoCreateRegisterContextForFrame()

virtual lldb::RegisterContextSP lldb_private::Unwind::DoCreateRegisterContextForFrame ( StackFrame * frame )

protectedpure virtual

Implemented in lldb_private::HistoryUnwind, lldb_private::UnwindLLDB, and lldb_private::wasm::UnwindWasm.

Referenced by CreateRegisterContextForFrame().

◆ DoGetFrameCount()

virtual uint32_t lldb_private::Unwind::DoGetFrameCount ( )

protectedpure virtual

Implemented in lldb_private::HistoryUnwind, lldb_private::UnwindLLDB, and lldb_private::wasm::UnwindWasm.

Referenced by GetFrameCount().

◆ DoGetFrameInfoAtIndex()

virtual bool lldb_private::Unwind::DoGetFrameInfoAtIndex	(	uint32_t	frame_idx,
		lldb::addr_t &	cfa,
		lldb::addr_t &	pc,
		bool &	behaves_like_zeroth_frame )

protectedpure virtual

Implemented in lldb_private::HistoryUnwind, lldb_private::UnwindLLDB, and lldb_private::wasm::UnwindWasm.

References pc.

Referenced by GetFrameInfoAtIndex(), and GetFramesUpTo().

◆ GetFrameCount()

uint32_t lldb_private::Unwind::GetFrameCount ( )

inline

Definition at line 31 of file Unwind.h.

References DoGetFrameCount(), and m_unwind_mutex.

◆ GetFrameInfoAtIndex()

bool lldb_private::Unwind::GetFrameInfoAtIndex	(	uint32_t	frame_idx,
		lldb::addr_t &	cfa,
		lldb::addr_t &	pc,
		bool &	behaves_like_zeroth_frame )

inline

Definition at line 50 of file Unwind.h.

References DoGetFrameInfoAtIndex(), m_unwind_mutex, and pc.

Referenced by lldb_private::StackFrameList::FetchFramesUpTo().

◆ GetFramesUpTo()

uint32_t lldb_private::Unwind::GetFramesUpTo ( uint32_t end_idx )

inline

Definition at line 36 of file Unwind.h.

References DoGetFrameInfoAtIndex(), and pc.

Referenced by lldb_private::StackFrameList::FetchOnlyConcreteFramesUpTo().

◆ GetThread()

Thread & lldb_private::Unwind::GetThread ( )

inline

Definition at line 61 of file Unwind.h.

References m_thread.

Referenced by lldb_private::wasm::UnwindWasm::DoGetFrameCount().

◆ operator=()

const Unwind & lldb_private::Unwind::operator= ( const Unwind & )

privatedelete

References Unwind().

Member Data Documentation

◆ m_thread

Thread& lldb_private::Unwind::m_thread

protected

Definition at line 76 of file Unwind.h.

Referenced by lldb_private::UnwindLLDB::AddFirstFrame(), lldb_private::UnwindLLDB::AddOneMoreFrame(), lldb_private::UnwindLLDB::DoCreateRegisterContextForFrame(), lldb_private::UnwindLLDB::DoGetFrameCount(), lldb_private::UnwindLLDB::DoGetFrameInfoAtIndex(), lldb_private::UnwindLLDB::GetOneMoreFrame(), GetThread(), and Unwind().

◆ m_unwind_mutex

std::recursive_mutex lldb_private::Unwind::m_unwind_mutex

protected

Definition at line 77 of file Unwind.h.

Referenced by Clear(), CreateRegisterContextForFrame(), lldb_private::HistoryUnwind::DoClear(), lldb_private::HistoryUnwind::DoGetFrameInfoAtIndex(), GetFrameCount(), and GetFrameInfoAtIndex().

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

Unwind.h