#include <NativeThreadLinux.h>

Inheritance diagram for lldb_private::process_linux::NativeThreadLinux:

Public Member Functions
	NativeThreadLinux (NativeProcessLinux &process, lldb::tid_t tid)

std::string	GetName () override

lldb::StateType	GetState () override

bool	GetStopReason (ThreadStopInfo &stop_info, std::string &description) override

NativeRegisterContextLinux &	GetRegisterContext () override

Status	SetWatchpoint (lldb::addr_t addr, size_t size, uint32_t watch_flags, bool hardware) override

Status	RemoveWatchpoint (lldb::addr_t addr) override

Status	SetHardwareBreakpoint (lldb::addr_t addr, size_t size) override

Status	RemoveHardwareBreakpoint (lldb::addr_t addr) override

NativeProcessLinux &	GetProcess ()

const NativeProcessLinux &	GetProcess () const

llvm::Expected< std::unique_ptr< llvm::MemoryBuffer > >	GetSiginfo () const override

Public Member Functions inherited from lldb_private::NativeThreadProtocol
	NativeThreadProtocol (NativeProcessProtocol &process, lldb::tid_t tid)

virtual	~NativeThreadProtocol ()=default

virtual std::string	GetName ()=0

virtual lldb::StateType	GetState ()=0

virtual NativeRegisterContext &	GetRegisterContext ()=0

virtual bool	GetStopReason (ThreadStopInfo &stop_info, std::string &description)=0

lldb::tid_t	GetID () const

NativeProcessProtocol &	GetProcess ()

virtual Status	SetWatchpoint (lldb::addr_t addr, size_t size, uint32_t watch_flags, bool hardware)=0

virtual Status	RemoveWatchpoint (lldb::addr_t addr)=0

virtual Status	SetHardwareBreakpoint (lldb::addr_t addr, size_t size)=0

virtual Status	RemoveHardwareBreakpoint (lldb::addr_t addr)=0

virtual llvm::Expected< std::unique_ptr< llvm::MemoryBuffer > >	GetSiginfo () const

Private Types
using	WatchpointIndexMap = std::map< lldb::addr_t, uint32_t >

Private Member Functions
Status	Resume (uint32_t signo)
	Resumes the thread.

Status	SingleStep (uint32_t signo)
	Single steps the thread.

void	SetStoppedBySignal (uint32_t signo, const siginfo_t *info=nullptr)

bool	IsStopped (int *signo)
	Return true if the thread is stopped.

void	SetStoppedByExec ()

void	SetStoppedByBreakpoint ()

void	SetStoppedByWatchpoint (uint32_t wp_index)

bool	IsStoppedAtBreakpoint ()

bool	IsStoppedAtWatchpoint ()

void	SetStoppedByTrace ()

void	SetStoppedByFork (bool is_vfork, lldb::pid_t child_pid)

void	SetStoppedByVForkDone ()

void	SetStoppedWithNoReason ()

void	SetStoppedByProcessorTrace (llvm::StringRef description)

void	SetExited ()

Status	RequestStop ()

void	MaybeLogStateChange (lldb::StateType new_state)

void	SetStopped ()

void	AnnotateSyncTagCheckFault (lldb::addr_t fault_addr)
	Extend m_stop_description with logical and allocation tag values.

Private Attributes
lldb::StateType	m_state

ThreadStopInfo	m_stop_info

std::unique_ptr< NativeRegisterContextLinux >	m_reg_context_up

std::string	m_stop_description

WatchpointIndexMap	m_watchpoint_index_map

WatchpointIndexMap	m_hw_break_index_map

std::unique_ptr< SingleStepWorkaround >	m_step_workaround

Friends
class	NativeProcessLinux

Additional Inherited Members
Protected Attributes inherited from lldb_private::NativeThreadProtocol
NativeProcessProtocol &	m_process

lldb::tid_t	m_tid

Detailed Description

Definition at line 29 of file NativeThreadLinux.h.

Member Typedef Documentation

◆ WatchpointIndexMap

using lldb_private::process_linux::NativeThreadLinux::WatchpointIndexMap = std::map<lldb::addr_t, uint32_t>

private

Definition at line 120 of file NativeThreadLinux.h.

Constructor & Destructor Documentation

◆ NativeThreadLinux()

NativeThreadLinux::NativeThreadLinux	(	NativeProcessLinux &	process,
		lldb::tid_t	tid
	)

Definition at line 92 of file NativeThreadLinux.cpp.

Member Function Documentation

◆ AnnotateSyncTagCheckFault()

void NativeThreadLinux::AnnotateSyncTagCheckFault ( lldb::addr_t fault_addr )

private

Extend m_stop_description with logical and allocation tag values.

If there is an error along the way just add the information we were able to get.

Definition at line 309 of file NativeThreadLinux.cpp.

References lldb_private::MemoryTagManagerAArch64MTE::eMTE_allocation, lldb_private::process_linux::NativeRegisterContextLinux::GetMemoryTaggingDetails(), GetProcess(), GetRegisterContext(), m_stop_description, lldb_private::process_linux::NativeProcessLinux::ReadMemoryTags(), and lldb_private::Status::Success().

Referenced by SetStoppedBySignal().

◆ GetName()

std::string NativeThreadLinux::GetName ( )

overridevirtual

Implements lldb_private::NativeThreadProtocol.

Definition at line 101 of file NativeThreadLinux.cpp.

References lldb_private::NativeProcessProtocol::GetID(), lldb_private::NativeThreadProtocol::GetID(), GetProcess(), and lldb_private::getProcFile().

◆ GetProcess() [1/2]

NativeProcessLinux & NativeThreadLinux::GetProcess ( )

Definition at line 536 of file NativeThreadLinux.cpp.

References lldb_private::NativeThreadProtocol::m_process.

Referenced by AnnotateSyncTagCheckFault(), GetName(), GetSiginfo(), RequestStop(), Resume(), and SingleStep().

◆ GetProcess() [2/2]

const NativeProcessLinux & NativeThreadLinux::GetProcess ( ) const

Definition at line 540 of file NativeThreadLinux.cpp.

References lldb_private::NativeThreadProtocol::m_process.

◆ GetRegisterContext()

NativeRegisterContextLinux & lldb_private::process_linux::NativeThreadLinux::GetRegisterContext ( )

inlineoverridevirtual

Implements lldb_private::NativeThreadProtocol.

Definition at line 43 of file NativeThreadLinux.h.

References m_reg_context_up.

Referenced by lldb_private::process_linux::NativeProcessLinux::AllocateMemory(), AnnotateSyncTagCheckFault(), lldb_private::process_linux::NativeProcessLinux::DeallocateMemory(), lldb_private::process_linux::NativeProcessLinux::MonitorBreakpoint(), lldb_private::process_linux::NativeProcessLinux::MonitorSIGTRAP(), lldb_private::process_linux::NativeProcessLinux::ReadMemoryTags(), SetStopped(), lldb_private::process_linux::NativeProcessLinux::Syscall(), and lldb_private::process_linux::NativeProcessLinux::WriteMemoryTags().

◆ GetSiginfo()

llvm::Expected< std::unique_ptr< llvm::MemoryBuffer > > NativeThreadLinux::GetSiginfo ( ) const

overridevirtual

Reimplemented from lldb_private::NativeThreadProtocol.

Definition at line 545 of file NativeThreadLinux.cpp.

References error(), lldb_private::NativeThreadProtocol::GetID(), GetProcess(), and lldb_private::process_linux::NativeProcessLinux::GetSignalInfo().

◆ GetState()

lldb::StateType NativeThreadLinux::GetState ( )

overridevirtual

Implements lldb_private::NativeThreadProtocol.

Definition at line 110 of file NativeThreadLinux.cpp.

References m_state.

Referenced by IsStoppedAtBreakpoint(), IsStoppedAtWatchpoint(), lldb_private::process_linux::NativeProcessLinux::MonitorCallback(), lldb_private::process_linux::NativeProcessLinux::MonitorClone(), lldb_private::process_linux::NativeProcessLinux::MonitorSignal(), lldb_private::process_linux::NativeProcessLinux::MonitorSIGTRAP(), lldb_private::process_linux::NativeProcessLinux::Syscall(), and lldb_private::process_linux::NativeProcessLinux::ThreadWasCreated().

◆ GetStopReason()

bool NativeThreadLinux::GetStopReason	(	ThreadStopInfo &	stop_info,
		std::string &	description
	)

overridevirtual

◆ IsStopped()

bool NativeThreadLinux::IsStopped ( int * signo )

private

Return true if the thread is stopped.

If stopped by a signal, indicate the signo in the signo argument. Otherwise, return LLDB_INVALID_SIGNAL_NUMBER.

Definition at line 361 of file NativeThreadLinux.cpp.

References m_state, m_stop_info, lldb_private::ThreadStopInfo::reason, lldb_private::ThreadStopInfo::signo, and lldb_private::StateIsStoppedState().

◆ IsStoppedAtBreakpoint()

bool NativeThreadLinux::IsStoppedAtBreakpoint ( )

private

Definition at line 434 of file NativeThreadLinux.cpp.

References GetState(), m_stop_info, and lldb_private::ThreadStopInfo::reason.

◆ IsStoppedAtWatchpoint()

bool NativeThreadLinux::IsStoppedAtWatchpoint ( )

private

Definition at line 439 of file NativeThreadLinux.cpp.

References GetState(), m_stop_info, and lldb_private::ThreadStopInfo::reason.

◆ MaybeLogStateChange()

void NativeThreadLinux::MaybeLogStateChange ( lldb::StateType new_state )

private

Definition at line 521 of file NativeThreadLinux.cpp.

References lldb_private::NativeProcessProtocol::GetID(), lldb_private::NativeThreadProtocol::GetID(), lldb_private::GetLog(), LLDB_LOG, lldb_private::NativeThreadProtocol::m_process, m_state, and lldb_private::Thread.

Referenced by Resume(), SetExited(), SetStopped(), and SingleStep().

◆ RemoveHardwareBreakpoint()

Status NativeThreadLinux::RemoveHardwareBreakpoint ( lldb::addr_t addr )

overridevirtual

Implements lldb_private::NativeThreadProtocol.

Definition at line 197 of file NativeThreadLinux.cpp.

References lldb_private::Status::FromErrorString(), m_hw_break_index_map, and m_reg_context_up.

Referenced by SetHardwareBreakpoint().

◆ RemoveWatchpoint()

Status NativeThreadLinux::RemoveWatchpoint ( lldb::addr_t addr )

overridevirtual

Implements lldb_private::NativeThreadProtocol.

Definition at line 168 of file NativeThreadLinux.cpp.

References lldb_private::Status::FromErrorString(), m_reg_context_up, and m_watchpoint_index_map.

Referenced by SetWatchpoint().

◆ RequestStop()

Status NativeThreadLinux::RequestStop ( )

private

Definition at line 495 of file NativeThreadLinux.cpp.

References lldb_private::Status::AsCString(), lldb_private::Status::FromErrno(), lldb_private::NativeProcessProtocol::GetID(), lldb_private::NativeThreadProtocol::GetID(), lldb_private::GetLog(), GetProcess(), LLDB_LOGF, SIGSTOP, tgkill, and lldb_private::Thread.

Referenced by lldb_private::process_linux::NativeProcessLinux::ThreadWasCreated().

◆ Resume()

Status NativeThreadLinux::Resume ( uint32_t signo )

private

Resumes the thread.

If signo is anything but LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the thread.

Definition at line 211 of file NativeThreadLinux.cpp.

References lldb_private::NativeProcessProtocol::GetHardwareBreakpointMap(), lldb_private::NativeThreadProtocol::GetID(), GetProcess(), lldb_private::NativeProcessProtocol::GetWatchpointMap(), LLDB_INVALID_SIGNAL_NUMBER, m_hw_break_index_map, m_reg_context_up, m_state, m_stop_description, m_stop_info, m_watchpoint_index_map, MaybeLogStateChange(), lldb_private::process_linux::NativeProcessLinux::PtraceWrapper(), lldb_private::ThreadStopInfo::reason, SetHardwareBreakpoint(), and SetWatchpoint().

Referenced by lldb_private::process_linux::NativeProcessLinux::ResumeThread().

◆ SetExited()

void NativeThreadLinux::SetExited ( )

private

Definition at line 487 of file NativeThreadLinux.cpp.

References m_state, m_stop_info, MaybeLogStateChange(), and lldb_private::ThreadStopInfo::reason.

◆ SetHardwareBreakpoint()

Status NativeThreadLinux::SetHardwareBreakpoint	(	lldb::addr_t	addr,
		size_t	size
	)

overridevirtual

Implements lldb_private::NativeThreadProtocol.

Definition at line 179 of file NativeThreadLinux.cpp.

References error(), lldb::eStateLaunching, lldb_private::Status::FromErrorString(), LLDB_INVALID_INDEX32, m_hw_break_index_map, m_reg_context_up, m_state, and RemoveHardwareBreakpoint().

Referenced by Resume().

◆ SetStopped()

void NativeThreadLinux::SetStopped ( )

private

Definition at line 375 of file NativeThreadLinux.cpp.

References GetRegisterContext(), lldb_private::process_linux::NativeRegisterContextLinux::InvalidateAllRegisters(), m_state, m_step_workaround, m_stop_description, and MaybeLogStateChange().

Referenced by SetStoppedByBreakpoint(), SetStoppedByExec(), SetStoppedByFork(), SetStoppedByProcessorTrace(), SetStoppedBySignal(), SetStoppedByTrace(), SetStoppedByVForkDone(), SetStoppedByWatchpoint(), and SetStoppedWithNoReason().

◆ SetStoppedByBreakpoint()

void NativeThreadLinux::SetStoppedByBreakpoint ( )

private

Definition at line 398 of file NativeThreadLinux.cpp.

References m_stop_description, m_stop_info, lldb_private::ThreadStopInfo::reason, SetStopped(), lldb_private::ThreadStopInfo::signo, and SIGTRAP.

Referenced by lldb_private::process_linux::NativeProcessLinux::MonitorBreakpoint().

◆ SetStoppedByExec()

void NativeThreadLinux::SetStoppedByExec ( )

private

Definition at line 388 of file NativeThreadLinux.cpp.

References lldb_private::GetLog(), LLDB_LOGF, m_stop_info, lldb_private::ThreadStopInfo::reason, SetStopped(), lldb_private::ThreadStopInfo::signo, SIGSTOP, and lldb_private::Thread.

◆ SetStoppedByFork()

void NativeThreadLinux::SetStoppedByFork	(	bool	is_vfork,
		lldb::pid_t	child_pid
	)

private

Definition at line 451 of file NativeThreadLinux.cpp.

References lldb_private::ThreadStopInfo::child_pid, lldb_private::ThreadStopInfo::child_tid, lldb_private::ThreadStopInfo::details, lldb_private::ThreadStopInfo::fork, m_stop_description, m_stop_info, lldb_private::ThreadStopInfo::reason, SetStopped(), lldb_private::ThreadStopInfo::signo, and SIGTRAP.

Referenced by lldb_private::process_linux::NativeProcessLinux::MonitorClone().

◆ SetStoppedByProcessorTrace()

void NativeThreadLinux::SetStoppedByProcessorTrace ( llvm::StringRef description )

private

Definition at line 478 of file NativeThreadLinux.cpp.

References m_stop_description, m_stop_info, lldb_private::ThreadStopInfo::reason, SetStopped(), and lldb_private::ThreadStopInfo::signo.

Referenced by lldb_private::process_linux::NativeProcessLinux::AddThread().

◆ SetStoppedBySignal()

void NativeThreadLinux::SetStoppedBySignal	(	uint32_t	signo,
		const siginfo_t *	info = `nullptr`
	)

private

Definition at line 279 of file NativeThreadLinux.cpp.

References AnnotateSyncTagCheckFault(), GetCrashReasonString(), lldb_private::GetLog(), LLDB_LOGF, m_stop_description, m_stop_info, lldb_private::ThreadStopInfo::reason, SEGV_MTESERR, SetStopped(), lldb_private::ThreadStopInfo::signo, and lldb_private::Thread.

Referenced by lldb_private::process_linux::NativeProcessLinux::AddThread(), and lldb_private::process_linux::NativeProcessLinux::MonitorSignal().

◆ SetStoppedByTrace()

void NativeThreadLinux::SetStoppedByTrace ( )

private

Definition at line 444 of file NativeThreadLinux.cpp.

References m_stop_info, lldb_private::ThreadStopInfo::reason, SetStopped(), lldb_private::ThreadStopInfo::signo, and SIGTRAP.

Referenced by lldb_private::process_linux::NativeProcessLinux::MonitorBreakpoint(), and lldb_private::process_linux::NativeProcessLinux::MonitorTrace().

◆ SetStoppedByVForkDone()

void NativeThreadLinux::SetStoppedByVForkDone ( )

private

Definition at line 464 of file NativeThreadLinux.cpp.

References m_stop_info, lldb_private::ThreadStopInfo::reason, SetStopped(), lldb_private::ThreadStopInfo::signo, and SIGTRAP.

Referenced by lldb_private::process_linux::NativeProcessLinux::MonitorSIGTRAP().

◆ SetStoppedByWatchpoint()

void NativeThreadLinux::SetStoppedByWatchpoint ( uint32_t wp_index )

private

Definition at line 406 of file NativeThreadLinux.cpp.

References LLDB_INVALID_INDEX32, lldbassert, m_reg_context_up, m_stop_description, m_stop_info, lldb_private::ThreadStopInfo::reason, SetStopped(), lldb_private::ThreadStopInfo::signo, and SIGTRAP.

Referenced by lldb_private::process_linux::NativeProcessLinux::MonitorWatchpoint().

◆ SetStoppedWithNoReason()

void NativeThreadLinux::SetStoppedWithNoReason ( )

private

Definition at line 471 of file NativeThreadLinux.cpp.

References m_stop_info, lldb_private::ThreadStopInfo::reason, SetStopped(), and lldb_private::ThreadStopInfo::signo.

Referenced by lldb_private::process_linux::NativeProcessLinux::MonitorSignal().

◆ SetWatchpoint()

Status NativeThreadLinux::SetWatchpoint	(	lldb::addr_t	addr,
		size_t	size,
		uint32_t	watch_flags,
		bool	hardware
	)

overridevirtual

Implements lldb_private::NativeThreadProtocol.

Definition at line 151 of file NativeThreadLinux.cpp.

References error(), lldb::eStateLaunching, lldb_private::Status::FromErrorString(), LLDB_INVALID_INDEX32, m_reg_context_up, m_state, m_watchpoint_index_map, and RemoveWatchpoint().

Referenced by Resume().

◆ SingleStep()

Status NativeThreadLinux::SingleStep ( uint32_t signo )

private

Single steps the thread.

If signo is anything but LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the thread.

Definition at line 253 of file NativeThreadLinux.cpp.

References lldb_private::process_linux::SingleStepWorkaround::Get(), GetProcess(), LLDB_INVALID_SIGNAL_NUMBER, m_state, m_step_workaround, m_stop_info, lldb_private::NativeThreadProtocol::m_tid, MaybeLogStateChange(), lldb_private::process_linux::NativeProcessLinux::PtraceWrapper(), and lldb_private::ThreadStopInfo::reason.

Referenced by lldb_private::process_linux::NativeProcessLinux::ResumeThread().

Friends And Related Function Documentation

◆ NativeProcessLinux

friend class NativeProcessLinux

friend

Definition at line 30 of file NativeThreadLinux.h.

Member Data Documentation

◆ m_hw_break_index_map

WatchpointIndexMap lldb_private::process_linux::NativeThreadLinux::m_hw_break_index_map

private

Definition at line 122 of file NativeThreadLinux.h.

Referenced by RemoveHardwareBreakpoint(), Resume(), and SetHardwareBreakpoint().

◆ m_reg_context_up

std::unique_ptr<NativeRegisterContextLinux> lldb_private::process_linux::NativeThreadLinux::m_reg_context_up

private

Definition at line 118 of file NativeThreadLinux.h.

Referenced by GetRegisterContext(), RemoveHardwareBreakpoint(), RemoveWatchpoint(), Resume(), SetHardwareBreakpoint(), SetStoppedByWatchpoint(), and SetWatchpoint().

◆ m_state

lldb::StateType lldb_private::process_linux::NativeThreadLinux::m_state

private

Definition at line 116 of file NativeThreadLinux.h.

Referenced by GetState(), GetStopReason(), IsStopped(), MaybeLogStateChange(), Resume(), SetExited(), SetHardwareBreakpoint(), SetStopped(), SetWatchpoint(), and SingleStep().

◆ m_step_workaround

std::unique_ptr<SingleStepWorkaround> lldb_private::process_linux::NativeThreadLinux::m_step_workaround

private

Definition at line 123 of file NativeThreadLinux.h.

Referenced by SetStopped(), and SingleStep().

◆ m_stop_description

std::string lldb_private::process_linux::NativeThreadLinux::m_stop_description

private

Definition at line 119 of file NativeThreadLinux.h.

Referenced by AnnotateSyncTagCheckFault(), GetStopReason(), Resume(), SetStopped(), SetStoppedByBreakpoint(), SetStoppedByFork(), SetStoppedByProcessorTrace(), SetStoppedBySignal(), and SetStoppedByWatchpoint().

◆ m_stop_info

ThreadStopInfo lldb_private::process_linux::NativeThreadLinux::m_stop_info

private

Definition at line 117 of file NativeThreadLinux.h.

Referenced by GetStopReason(), IsStopped(), IsStoppedAtBreakpoint(), IsStoppedAtWatchpoint(), Resume(), SetExited(), SetStoppedByBreakpoint(), SetStoppedByExec(), SetStoppedByFork(), SetStoppedByProcessorTrace(), SetStoppedBySignal(), SetStoppedByTrace(), SetStoppedByVForkDone(), SetStoppedByWatchpoint(), SetStoppedWithNoReason(), and SingleStep().

◆ m_watchpoint_index_map

WatchpointIndexMap lldb_private::process_linux::NativeThreadLinux::m_watchpoint_index_map

private

Definition at line 121 of file NativeThreadLinux.h.

Referenced by RemoveWatchpoint(), Resume(), and SetWatchpoint().

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

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ WatchpointIndexMap

Constructor & Destructor Documentation

◆ NativeThreadLinux()

Member Function Documentation

◆ AnnotateSyncTagCheckFault()

◆ GetName()

◆ GetProcess() [1/2]

◆ GetProcess() [2/2]

◆ GetRegisterContext()

◆ GetSiginfo()

◆ GetState()

◆ GetStopReason()

◆ IsStopped()

◆ IsStoppedAtBreakpoint()

◆ IsStoppedAtWatchpoint()

◆ MaybeLogStateChange()

◆ RemoveHardwareBreakpoint()

◆ RemoveWatchpoint()

◆ RequestStop()

◆ Resume()

◆ SetExited()

◆ SetHardwareBreakpoint()

◆ SetStopped()

◆ SetStoppedByBreakpoint()

◆ SetStoppedByExec()

◆ SetStoppedByFork()

◆ SetStoppedByProcessorTrace()

◆ SetStoppedBySignal()

◆ SetStoppedByTrace()

◆ SetStoppedByVForkDone()

◆ SetStoppedByWatchpoint()

◆ SetStoppedWithNoReason()

◆ SetWatchpoint()

◆ SingleStep()

Friends And Related Function Documentation

◆ NativeProcessLinux

Member Data Documentation

◆ m_hw_break_index_map

◆ m_reg_context_up

◆ m_state

◆ m_step_workaround

◆ m_stop_description

◆ m_stop_info

◆ m_watchpoint_index_map