llvm-project/lldb/source/Target/Thread.cpp

918 lines
25 KiB
C++

//===-- Thread.cpp ----------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/lldb-private-log.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Stream.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Host/Host.h"
#include "lldb/Target/DynamicLoader.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadPlan.h"
#include "lldb/Target/ThreadPlanCallFunction.h"
#include "lldb/Target/ThreadPlanBase.h"
#include "lldb/Target/ThreadPlanStepInstruction.h"
#include "lldb/Target/ThreadPlanStepOut.h"
#include "lldb/Target/ThreadPlanStepOverBreakpoint.h"
#include "lldb/Target/ThreadPlanStepThrough.h"
#include "lldb/Target/ThreadPlanStepInRange.h"
#include "lldb/Target/ThreadPlanStepOverRange.h"
#include "lldb/Target/ThreadPlanRunToAddress.h"
#include "lldb/Target/ThreadPlanStepUntil.h"
#include "lldb/Target/ThreadSpec.h"
#include "lldb/Target/Unwind.h"
using namespace lldb;
using namespace lldb_private;
Thread::Thread (Process &process, lldb::tid_t tid) :
UserID (tid),
m_process (process),
m_public_stop_info_sp (),
m_actual_stop_info_sp (),
m_index_id (process.GetNextThreadIndexID ()),
m_reg_context_sp (),
m_state (eStateUnloaded),
m_plan_stack (),
m_immediate_plan_stack(),
m_completed_plan_stack(),
m_state_mutex (Mutex::eMutexTypeRecursive),
m_frames (),
m_current_frame_idx (0),
m_resume_signal (LLDB_INVALID_SIGNAL_NUMBER),
m_resume_state (eStateRunning),
m_unwinder_ap ()
{
Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT);
if (log)
log->Printf ("%p Thread::Thread(tid = 0x%4.4x)", this, GetID());
QueueFundamentalPlan(true);
}
Thread::~Thread()
{
Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT);
if (log)
log->Printf ("%p Thread::~Thread(tid = 0x%4.4x)", this, GetID());
}
int
Thread::GetResumeSignal () const
{
return m_resume_signal;
}
void
Thread::SetResumeSignal (int signal)
{
m_resume_signal = signal;
}
StateType
Thread::GetResumeState () const
{
return m_resume_state;
}
void
Thread::SetResumeState (StateType state)
{
m_resume_state = state;
}
StopInfo *
Thread::GetStopInfo ()
{
if (m_public_stop_info_sp.get() == NULL)
{
ThreadPlanSP plan_sp (GetCompletedPlan());
if (plan_sp)
m_public_stop_info_sp = StopInfo::CreateStopReasonWithPlan (plan_sp);
else
m_public_stop_info_sp = GetPrivateStopReason ();
}
return m_public_stop_info_sp.get();
}
bool
Thread::ThreadStoppedForAReason (void)
{
return GetPrivateStopReason () != NULL;
}
StateType
Thread::GetState() const
{
// If any other threads access this we will need a mutex for it
Mutex::Locker locker(m_state_mutex);
return m_state;
}
void
Thread::SetState(StateType state)
{
Mutex::Locker locker(m_state_mutex);
m_state = state;
}
void
Thread::WillStop()
{
ThreadPlan *current_plan = GetCurrentPlan();
// FIXME: I may decide to disallow threads with no plans. In which
// case this should go to an assert.
if (!current_plan)
return;
current_plan->WillStop();
}
void
Thread::SetupForResume ()
{
if (GetResumeState() != eStateSuspended)
{
// If we're at a breakpoint push the step-over breakpoint plan. Do this before
// telling the current plan it will resume, since we might change what the current
// plan is.
lldb::addr_t pc = GetRegisterContext()->GetPC();
BreakpointSiteSP bp_site_sp = GetProcess().GetBreakpointSiteList().FindByAddress(pc);
if (bp_site_sp && bp_site_sp->IsEnabled())
{
// Note, don't assume there's a ThreadPlanStepOverBreakpoint, the target may not require anything
// special to step over a breakpoint.
ThreadPlan *cur_plan = GetCurrentPlan();
if (cur_plan->GetKind() != ThreadPlan::eKindStepOverBreakpoint)
{
ThreadPlanStepOverBreakpoint *step_bp_plan = new ThreadPlanStepOverBreakpoint (*this);
if (step_bp_plan)
{
ThreadPlanSP step_bp_plan_sp;
step_bp_plan->SetPrivate (true);
if (GetCurrentPlan()->RunState() != eStateStepping)
{
step_bp_plan->SetAutoContinue(true);
}
step_bp_plan_sp.reset (step_bp_plan);
QueueThreadPlan (step_bp_plan_sp, false);
}
}
}
}
}
bool
Thread::WillResume (StateType resume_state)
{
// At this point clear the completed plan stack.
m_completed_plan_stack.clear();
m_discarded_plan_stack.clear();
StopInfo *stop_info = GetPrivateStopReason().get();
if (stop_info)
stop_info->WillResume (resume_state);
// Tell all the plans that we are about to resume in case they need to clear any state.
// We distinguish between the plan on the top of the stack and the lower
// plans in case a plan needs to do any special business before it runs.
ThreadPlan *plan_ptr = GetCurrentPlan();
plan_ptr->WillResume(resume_state, true);
while ((plan_ptr = GetPreviousPlan(plan_ptr)) != NULL)
{
plan_ptr->WillResume (resume_state, false);
}
m_public_stop_info_sp.reset();
m_actual_stop_info_sp.reset();
return true;
}
void
Thread::DidResume ()
{
SetResumeSignal (LLDB_INVALID_SIGNAL_NUMBER);
}
bool
Thread::ShouldStop (Event* event_ptr)
{
ThreadPlan *current_plan = GetCurrentPlan();
bool should_stop = true;
Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP);
if (log)
{
StreamString s;
DumpThreadPlans(&s);
log->PutCString (s.GetData());
}
if (current_plan->PlanExplainsStop())
{
bool over_ride_stop = current_plan->ShouldAutoContinue(event_ptr);
while (1)
{
should_stop = current_plan->ShouldStop(event_ptr);
if (current_plan->MischiefManaged())
{
if (should_stop)
current_plan->WillStop();
// If a Master Plan wants to stop, and wants to stick on the stack, we let it.
// Otherwise, see if the plan's parent wants to stop.
if (should_stop && current_plan->IsMasterPlan() && !current_plan->OkayToDiscard())
{
PopPlan();
break;
}
else
{
PopPlan();
current_plan = GetCurrentPlan();
if (current_plan == NULL)
{
break;
}
}
}
else
{
break;
}
}
if (over_ride_stop)
should_stop = false;
}
else
{
// If the current plan doesn't explain the stop, then, find one that
// does and let it handle the situation.
ThreadPlan *plan_ptr = current_plan;
while ((plan_ptr = GetPreviousPlan(plan_ptr)) != NULL)
{
if (plan_ptr->PlanExplainsStop())
{
should_stop = plan_ptr->ShouldStop (event_ptr);
break;
}
}
}
return should_stop;
}
Vote
Thread::ShouldReportStop (Event* event_ptr)
{
StateType thread_state = GetResumeState ();
if (thread_state == eStateSuspended
|| thread_state == eStateInvalid)
return eVoteNoOpinion;
if (m_completed_plan_stack.size() > 0)
{
// Don't use GetCompletedPlan here, since that suppresses private plans.
return m_completed_plan_stack.back()->ShouldReportStop (event_ptr);
}
else
return GetCurrentPlan()->ShouldReportStop (event_ptr);
}
Vote
Thread::ShouldReportRun (Event* event_ptr)
{
StateType thread_state = GetResumeState ();
if (thread_state == eStateSuspended
|| thread_state == eStateInvalid)
return eVoteNoOpinion;
if (m_completed_plan_stack.size() > 0)
{
// Don't use GetCompletedPlan here, since that suppresses private plans.
return m_completed_plan_stack.back()->ShouldReportRun (event_ptr);
}
else
return GetCurrentPlan()->ShouldReportRun (event_ptr);
}
bool
Thread::MatchesSpec (const ThreadSpec *spec)
{
if (spec == NULL)
return true;
return spec->ThreadPassesBasicTests(this);
}
void
Thread::PushPlan (ThreadPlanSP &thread_plan_sp)
{
if (thread_plan_sp)
{
if (thread_plan_sp->IsImmediate())
m_immediate_plan_stack.push_back (thread_plan_sp);
else
m_plan_stack.push_back (thread_plan_sp);
thread_plan_sp->DidPush();
Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP);
if (log)
{
StreamString s;
thread_plan_sp->GetDescription (&s, lldb::eDescriptionLevelFull);
log->Printf("Pushing plan: \"%s\" for thread: %d immediate: %s.",
s.GetData(),
thread_plan_sp->GetThread().GetID(),
thread_plan_sp->IsImmediate() ? "true" : "false");
}
}
}
void
Thread::PopPlan ()
{
Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP);
if (!m_immediate_plan_stack.empty())
{
ThreadPlanSP &plan = m_immediate_plan_stack.back();
if (log)
{
log->Printf("Popping plan: \"%s\" for thread: %d immediate: true.", plan->GetName(), plan->GetThread().GetID());
}
plan->WillPop();
m_immediate_plan_stack.pop_back();
}
else if (m_plan_stack.empty())
return;
else
{
ThreadPlanSP &plan = m_plan_stack.back();
if (log)
{
log->Printf("Popping plan: \"%s\" for thread: 0x%x immediate: false.", plan->GetName(), plan->GetThread().GetID());
}
m_completed_plan_stack.push_back (plan);
plan->WillPop();
m_plan_stack.pop_back();
}
}
void
Thread::DiscardPlan ()
{
if (m_plan_stack.size() > 1)
{
ThreadPlanSP &plan = m_plan_stack.back();
m_discarded_plan_stack.push_back (plan);
plan->WillPop();
m_plan_stack.pop_back();
}
}
ThreadPlan *
Thread::GetCurrentPlan ()
{
if (!m_immediate_plan_stack.empty())
return m_immediate_plan_stack.back().get();
else if (m_plan_stack.empty())
return NULL;
else
return m_plan_stack.back().get();
}
ThreadPlanSP
Thread::GetCompletedPlan ()
{
ThreadPlanSP empty_plan_sp;
if (!m_completed_plan_stack.empty())
{
for (int i = m_completed_plan_stack.size() - 1; i >= 0; i--)
{
ThreadPlanSP completed_plan_sp;
completed_plan_sp = m_completed_plan_stack[i];
if (!completed_plan_sp->GetPrivate ())
return completed_plan_sp;
}
}
return empty_plan_sp;
}
bool
Thread::IsThreadPlanDone (ThreadPlan *plan)
{
ThreadPlanSP empty_plan_sp;
if (!m_completed_plan_stack.empty())
{
for (int i = m_completed_plan_stack.size() - 1; i >= 0; i--)
{
if (m_completed_plan_stack[i].get() == plan)
return true;
}
}
return false;
}
bool
Thread::WasThreadPlanDiscarded (ThreadPlan *plan)
{
ThreadPlanSP empty_plan_sp;
if (!m_discarded_plan_stack.empty())
{
for (int i = m_discarded_plan_stack.size() - 1; i >= 0; i--)
{
if (m_discarded_plan_stack[i].get() == plan)
return true;
}
}
return false;
}
ThreadPlan *
Thread::GetPreviousPlan (ThreadPlan *current_plan)
{
if (current_plan == NULL)
return NULL;
int stack_size = m_completed_plan_stack.size();
for (int i = stack_size - 1; i > 0; i--)
{
if (current_plan == m_completed_plan_stack[i].get())
return m_completed_plan_stack[i-1].get();
}
if (stack_size > 0 && m_completed_plan_stack[0].get() == current_plan)
{
if (m_immediate_plan_stack.size() > 0)
return m_immediate_plan_stack.back().get();
else if (m_plan_stack.size() > 0)
return m_plan_stack.back().get();
else
return NULL;
}
stack_size = m_immediate_plan_stack.size();
for (int i = stack_size - 1; i > 0; i--)
{
if (current_plan == m_immediate_plan_stack[i].get())
return m_immediate_plan_stack[i-1].get();
}
if (stack_size > 0 && m_immediate_plan_stack[0].get() == current_plan)
{
if (m_plan_stack.size() > 0)
return m_plan_stack.back().get();
else
return NULL;
}
stack_size = m_plan_stack.size();
for (int i = stack_size - 1; i > 0; i--)
{
if (current_plan == m_plan_stack[i].get())
return m_plan_stack[i-1].get();
}
return NULL;
}
void
Thread::QueueThreadPlan (ThreadPlanSP &thread_plan_sp, bool abort_other_plans)
{
if (abort_other_plans)
DiscardThreadPlans(true);
PushPlan (thread_plan_sp);
}
void
Thread::DiscardThreadPlans(bool force)
{
// FIXME: It is not always safe to just discard plans. Some, like the step over
// breakpoint trap can't be discarded in general (though you can if you plan to
// force a return from a function, for instance.
// For now I'm just not clearing immediate plans, but I need a way for plans to
// say they really need to be kept on, and then a way to override that. Humm...
Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP);
if (log)
{
log->Printf("Discarding thread plans for thread: 0x%x: force %d.", GetID(), force);
}
if (force)
{
int stack_size = m_plan_stack.size();
for (int i = stack_size - 1; i > 0; i--)
{
DiscardPlan();
}
return;
}
while (1)
{
int master_plan_idx;
bool discard;
// Find the first master plan, see if it wants discarding, and if yes discard up to it.
for (master_plan_idx = m_plan_stack.size() - 1; master_plan_idx >= 0; master_plan_idx--)
{
if (m_plan_stack[master_plan_idx]->IsMasterPlan())
{
discard = m_plan_stack[master_plan_idx]->OkayToDiscard();
break;
}
}
if (discard)
{
// First pop all the dependent plans:
for (int i = m_plan_stack.size() - 1; i > master_plan_idx; i--)
{
// FIXME: Do we need a finalize here, or is the rule that "PrepareForStop"
// for the plan leaves it in a state that it is safe to pop the plan
// with no more notice?
DiscardPlan();
}
// Now discard the master plan itself.
// The bottom-most plan never gets discarded. "OkayToDiscard" for it means
// discard it's dependent plans, but not it...
if (master_plan_idx > 0)
{
DiscardPlan();
}
}
else
{
// If the master plan doesn't want to get discarded, then we're done.
break;
}
}
// FIXME: What should we do about the immediate plans?
}
ThreadPlan *
Thread::QueueFundamentalPlan (bool abort_other_plans)
{
ThreadPlanSP thread_plan_sp (new ThreadPlanBase(*this));
QueueThreadPlan (thread_plan_sp, abort_other_plans);
return thread_plan_sp.get();
}
ThreadPlan *
Thread::QueueThreadPlanForStepSingleInstruction (bool step_over, bool abort_other_plans, bool stop_other_threads)
{
ThreadPlanSP thread_plan_sp (new ThreadPlanStepInstruction (*this, step_over, stop_other_threads, eVoteNoOpinion, eVoteNoOpinion));
QueueThreadPlan (thread_plan_sp, abort_other_plans);
return thread_plan_sp.get();
}
ThreadPlan *
Thread::QueueThreadPlanForStepRange
(
bool abort_other_plans,
StepType type,
const AddressRange &range,
const SymbolContext &addr_context,
lldb::RunMode stop_other_threads,
bool avoid_code_without_debug_info
)
{
ThreadPlanSP thread_plan_sp;
if (type == eStepTypeInto)
{
ThreadPlanStepInRange *plan = new ThreadPlanStepInRange (*this, range, addr_context, stop_other_threads);
if (avoid_code_without_debug_info)
plan->GetFlags().Set (ThreadPlanShouldStopHere::eAvoidNoDebug);
else
plan->GetFlags().Clear (ThreadPlanShouldStopHere::eAvoidNoDebug);
thread_plan_sp.reset (plan);
}
else
thread_plan_sp.reset (new ThreadPlanStepOverRange (*this, range, addr_context, stop_other_threads));
QueueThreadPlan (thread_plan_sp, abort_other_plans);
return thread_plan_sp.get();
}
ThreadPlan *
Thread::QueueThreadPlanForStepOverBreakpointPlan (bool abort_other_plans)
{
ThreadPlanSP thread_plan_sp (new ThreadPlanStepOverBreakpoint (*this));
QueueThreadPlan (thread_plan_sp, abort_other_plans);
return thread_plan_sp.get();
}
ThreadPlan *
Thread::QueueThreadPlanForStepOut (bool abort_other_plans, SymbolContext *addr_context, bool first_insn,
bool stop_other_threads, Vote stop_vote, Vote run_vote)
{
ThreadPlanSP thread_plan_sp (new ThreadPlanStepOut (*this, addr_context, first_insn, stop_other_threads, stop_vote, run_vote));
QueueThreadPlan (thread_plan_sp, abort_other_plans);
return thread_plan_sp.get();
}
ThreadPlan *
Thread::QueueThreadPlanForStepThrough (bool abort_other_plans, bool stop_other_threads)
{
ThreadPlanSP thread_plan_sp(GetProcess().GetDynamicLoader()->GetStepThroughTrampolinePlan (*this, stop_other_threads));
if (thread_plan_sp.get() == NULL)
{
thread_plan_sp.reset(new ThreadPlanStepThrough (*this, stop_other_threads));
if (thread_plan_sp && !thread_plan_sp->ValidatePlan (NULL))
return NULL;
}
QueueThreadPlan (thread_plan_sp, abort_other_plans);
return thread_plan_sp.get();
}
ThreadPlan *
Thread::QueueThreadPlanForCallFunction (bool abort_other_plans,
Address& function,
lldb::addr_t arg,
bool stop_other_threads,
bool discard_on_error)
{
ThreadPlanSP thread_plan_sp (new ThreadPlanCallFunction (*this, function, arg, stop_other_threads, discard_on_error));
QueueThreadPlan (thread_plan_sp, abort_other_plans);
return thread_plan_sp.get();
}
ThreadPlan *
Thread::QueueThreadPlanForCallFunction (bool abort_other_plans,
Address& function,
ValueList &args,
bool stop_other_threads,
bool discard_on_error)
{
ThreadPlanSP thread_plan_sp (new ThreadPlanCallFunction (*this, function, args, stop_other_threads, discard_on_error));
QueueThreadPlan (thread_plan_sp, abort_other_plans);
return thread_plan_sp.get();
}
ThreadPlan *
Thread::QueueThreadPlanForRunToAddress (bool abort_other_plans,
Address &target_addr,
bool stop_other_threads)
{
ThreadPlanSP thread_plan_sp (new ThreadPlanRunToAddress (*this, target_addr, stop_other_threads));
QueueThreadPlan (thread_plan_sp, abort_other_plans);
return thread_plan_sp.get();
}
ThreadPlan *
Thread::QueueThreadPlanForStepUntil (bool abort_other_plans,
lldb::addr_t *address_list,
size_t num_addresses,
bool stop_other_threads)
{
ThreadPlanSP thread_plan_sp (new ThreadPlanStepUntil (*this, address_list, num_addresses, stop_other_threads));
QueueThreadPlan (thread_plan_sp, abort_other_plans);
return thread_plan_sp.get();
}
uint32_t
Thread::GetIndexID () const
{
return m_index_id;
}
void
Thread::DumpThreadPlans (lldb_private::Stream *s) const
{
uint32_t stack_size = m_plan_stack.size();
s->Printf ("Plan Stack for thread #%u: tid = 0x%4.4x - %d elements.\n", GetIndexID(), GetID(), stack_size);
for (int i = stack_size - 1; i > 0; i--)
{
s->Printf ("Element %d: ", i);
s->IndentMore();
m_plan_stack[i]->GetDescription (s, eDescriptionLevelFull);
s->IndentLess();
s->EOL();
}
stack_size = m_immediate_plan_stack.size();
s->Printf ("Immediate Plan Stack: %d elements.\n", stack_size);
for (int i = stack_size - 1; i > 0; i--)
{
s->Printf ("Element %d: ", i);
s->IndentMore();
m_immediate_plan_stack[i]->GetDescription (s, eDescriptionLevelFull);
s->IndentLess();
s->EOL();
}
stack_size = m_completed_plan_stack.size();
s->Printf ("Completed Plan Stack: %d elements.\n", stack_size);
for (int i = stack_size - 1; i > 0; i--)
{
s->Printf ("Element %d: ", i);
s->IndentMore();
m_completed_plan_stack[i]->GetDescription (s, eDescriptionLevelFull);
s->IndentLess();
s->EOL();
}
stack_size = m_discarded_plan_stack.size();
s->Printf ("Discarded Plan Stack: %d elements.\n", stack_size);
for (int i = stack_size - 1; i > 0; i--)
{
s->Printf ("Element %d: ", i);
s->IndentMore();
m_discarded_plan_stack[i]->GetDescription (s, eDescriptionLevelFull);
s->IndentLess();
s->EOL();
}
}
Target *
Thread::CalculateTarget ()
{
return m_process.CalculateTarget();
}
Process *
Thread::CalculateProcess ()
{
return &m_process;
}
Thread *
Thread::CalculateThread ()
{
return this;
}
StackFrame *
Thread::CalculateStackFrame ()
{
return NULL;
}
void
Thread::Calculate (ExecutionContext &exe_ctx)
{
m_process.Calculate (exe_ctx);
exe_ctx.thread = this;
exe_ctx.frame = NULL;
}
uint32_t
Thread::GetStackFrameCount()
{
Unwind *unwinder = GetUnwinder ();
if (unwinder)
return unwinder->GetFrameCount();
return 0;
}
lldb::StackFrameSP
Thread::GetStackFrameAtIndex (uint32_t idx)
{
StackFrameSP frame_sp (m_frames.GetFrameAtIndex(idx));
if (frame_sp.get())
return frame_sp;
// Don't try and fetch a frame while process is running
// FIXME: This check isn't right because IsRunning checks the Public state, but this
// is work you need to do - for instance in ShouldStop & friends - before the public
// state has been changed.
// if (m_process.IsRunning())
// return frame_sp;
// Special case the first frame (idx == 0) so that we don't need to
// know how many stack frames there are to get it. If we need any other
// frames, then we do need to know if "idx" is a valid index.
if (idx == 0)
{
// If this is the first frame, we want to share the thread register
// context with the stack frame at index zero.
GetRegisterContext();
assert (m_reg_context_sp.get());
frame_sp.reset (new StackFrame (idx, *this, m_reg_context_sp, m_reg_context_sp->GetSP(), m_reg_context_sp->GetPC()));
}
else if (idx < GetStackFrameCount())
{
Unwind *unwinder = GetUnwinder ();
if (unwinder)
{
addr_t pc, cfa;
if (unwinder->GetFrameInfoAtIndex(idx, cfa, pc))
frame_sp.reset (new StackFrame (idx, *this, cfa, pc));
}
}
m_frames.SetFrameAtIndex(idx, frame_sp);
return frame_sp;
}
lldb::StackFrameSP
Thread::GetCurrentFrame ()
{
return GetStackFrameAtIndex (m_frames.GetCurrentFrameIndex());
}
uint32_t
Thread::SetCurrentFrame (lldb_private::StackFrame *frame)
{
return m_frames.SetCurrentFrame(frame);
}
void
Thread::SetCurrentFrameByIndex (uint32_t frame_idx)
{
m_frames.SetCurrentFrameByIndex(frame_idx);
}
void
Thread::DumpInfo
(
Stream &strm,
bool show_stop_reason,
bool show_name,
bool show_queue,
uint32_t frame_idx
)
{
strm.Printf("thread #%u: tid = 0x%4.4x", GetIndexID(), GetID());
if (frame_idx != LLDB_INVALID_INDEX32)
{
StackFrameSP frame_sp(GetStackFrameAtIndex (frame_idx));
if (frame_sp)
{
strm.PutCString(", ");
frame_sp->Dump (&strm, false);
}
}
if (show_stop_reason)
{
StopInfo *stop_info = GetStopInfo();
if (stop_info)
{
const char *stop_description = stop_info->GetDescription();
if (stop_description)
strm.Printf (", stop reason = %s", stop_description);
}
}
if (show_name)
{
const char *name = GetName();
if (name && name[0])
strm.Printf(", name = %s", name);
}
if (show_queue)
{
const char *queue = GetQueueName();
if (queue && queue[0])
strm.Printf(", queue = %s", queue);
}
}
lldb::ThreadSP
Thread::GetSP ()
{
return m_process.GetThreadList().GetThreadSPForThreadPtr(this);
}