| //===-- 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/Debugger.h" |
| #include "lldb/Core/Log.h" |
| #include "lldb/Core/Stream.h" |
| #include "lldb/Core/StreamString.h" |
| #include "lldb/Core/RegularExpression.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Target/DynamicLoader.h" |
| #include "lldb/Target/ExecutionContext.h" |
| #include "lldb/Target/ObjCLanguageRuntime.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" |
| #include "Plugins/Process/Utility/UnwindLLDB.h" |
| #include "UnwindMacOSXFrameBackchain.h" |
| |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| Thread::Thread (const ProcessSP &process_sp, lldb::tid_t tid) : |
| UserID (tid), |
| ThreadInstanceSettings (GetSettingsController()), |
| m_process_wp (process_sp), |
| m_actual_stop_info_sp (), |
| m_index_id (process_sp->GetNextThreadIndexID ()), |
| m_reg_context_sp (), |
| m_state (eStateUnloaded), |
| m_state_mutex (Mutex::eMutexTypeRecursive), |
| m_plan_stack (), |
| m_completed_plan_stack(), |
| m_frame_mutex (Mutex::eMutexTypeRecursive), |
| m_curr_frames_sp (), |
| m_prev_frames_sp (), |
| m_resume_signal (LLDB_INVALID_SIGNAL_NUMBER), |
| m_resume_state (eStateRunning), |
| m_temporary_resume_state (eStateRunning), |
| m_unwinder_ap (), |
| m_destroy_called (false), |
| m_thread_stop_reason_stop_id (0) |
| |
| { |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); |
| if (log) |
| log->Printf ("%p Thread::Thread(tid = 0x%4.4llx)", this, GetID()); |
| |
| QueueFundamentalPlan(true); |
| UpdateInstanceName(); |
| } |
| |
| |
| Thread::~Thread() |
| { |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); |
| if (log) |
| log->Printf ("%p Thread::~Thread(tid = 0x%4.4llx)", this, GetID()); |
| /// If you hit this assert, it means your derived class forgot to call DoDestroy in its destructor. |
| assert (m_destroy_called); |
| } |
| |
| void |
| Thread::DestroyThread () |
| { |
| m_plan_stack.clear(); |
| m_discarded_plan_stack.clear(); |
| m_completed_plan_stack.clear(); |
| m_actual_stop_info_sp.reset(); |
| m_destroy_called = true; |
| } |
| |
| lldb::StopInfoSP |
| Thread::GetStopInfo () |
| { |
| ThreadPlanSP plan_sp (GetCompletedPlan()); |
| if (plan_sp) |
| return StopInfo::CreateStopReasonWithPlan (plan_sp, GetReturnValueObject()); |
| else |
| { |
| ProcessSP process_sp (GetProcess()); |
| if (process_sp |
| && m_actual_stop_info_sp |
| && m_actual_stop_info_sp->IsValid() |
| && m_thread_stop_reason_stop_id == process_sp->GetStopID()) |
| return m_actual_stop_info_sp; |
| else |
| return GetPrivateStopReason (); |
| } |
| } |
| |
| void |
| Thread::SetStopInfo (const lldb::StopInfoSP &stop_info_sp) |
| { |
| m_actual_stop_info_sp = stop_info_sp; |
| if (m_actual_stop_info_sp) |
| m_actual_stop_info_sp->MakeStopInfoValid(); |
| ProcessSP process_sp (GetProcess()); |
| if (process_sp) |
| m_thread_stop_reason_stop_id = process_sp->GetStopID(); |
| else |
| m_thread_stop_reason_stop_id = UINT32_MAX; |
| } |
| |
| void |
| Thread::SetStopInfoToNothing() |
| { |
| // Note, we can't just NULL out the private reason, or the native thread implementation will try to |
| // go calculate it again. For now, just set it to a Unix Signal with an invalid signal number. |
| SetStopInfo (StopInfo::CreateStopReasonWithSignal (*this, LLDB_INVALID_SIGNAL_NUMBER)); |
| } |
| |
| bool |
| Thread::ThreadStoppedForAReason (void) |
| { |
| return GetPrivateStopReason () != NULL; |
| } |
| |
| bool |
| Thread::CheckpointThreadState (ThreadStateCheckpoint &saved_state) |
| { |
| if (!SaveFrameZeroState(saved_state.register_backup)) |
| return false; |
| |
| saved_state.stop_info_sp = GetStopInfo(); |
| ProcessSP process_sp (GetProcess()); |
| if (process_sp) |
| saved_state.orig_stop_id = process_sp->GetStopID(); |
| return true; |
| } |
| |
| bool |
| Thread::RestoreThreadStateFromCheckpoint (ThreadStateCheckpoint &saved_state) |
| { |
| RestoreSaveFrameZero(saved_state.register_backup); |
| if (saved_state.stop_info_sp) |
| saved_state.stop_info_sp->MakeStopInfoValid(); |
| SetStopInfo(saved_state.stop_info_sp); |
| return true; |
| } |
| |
| 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(); |
| |
| SetTemporaryResumeState(resume_state); |
| |
| // This is a little dubious, but we are trying to limit how often we actually fetch stop info from |
| // the target, 'cause that slows down single stepping. So assume that if we got to the point where |
| // we're about to resume, and we haven't yet had to fetch the stop reason, then it doesn't need to know |
| // about the fact that we are resuming... |
| const uint32_t process_stop_id = GetProcess()->GetStopID(); |
| if (m_thread_stop_reason_stop_id == process_stop_id && |
| (m_actual_stop_info_sp && m_actual_stop_info_sp->IsValid())) |
| { |
| 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_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; |
| |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| |
| if (GetResumeState () == eStateSuspended) |
| { |
| if (log) |
| log->Printf ("Thread::%s for tid = 0x%4.4llx, should_stop = 0 (ignore since thread was suspended)", |
| __FUNCTION__, |
| GetID ()); |
| // log->Printf ("Thread::%s for tid = 0x%4.4llx, pc = 0x%16.16llx, should_stop = 0 (ignore since thread was suspended)", |
| // __FUNCTION__, |
| // GetID (), |
| // GetRegisterContext()->GetPC()); |
| return false; |
| } |
| |
| if (GetTemporaryResumeState () == eStateSuspended) |
| { |
| if (log) |
| log->Printf ("Thread::%s for tid = 0x%4.4llx, should_stop = 0 (ignore since thread was suspended)", |
| __FUNCTION__, |
| GetID ()); |
| // log->Printf ("Thread::%s for tid = 0x%4.4llx, pc = 0x%16.16llx, should_stop = 0 (ignore since thread was suspended)", |
| // __FUNCTION__, |
| // GetID (), |
| // GetRegisterContext()->GetPC()); |
| return false; |
| } |
| |
| if (ThreadStoppedForAReason() == false) |
| { |
| if (log) |
| log->Printf ("Thread::%s for tid = 0x%4.4llx, pc = 0x%16.16llx, should_stop = 0 (ignore since no stop reason)", |
| __FUNCTION__, |
| GetID (), |
| GetRegisterContext()->GetPC()); |
| return false; |
| } |
| |
| if (log) |
| { |
| log->Printf ("Thread::%s for tid = 0x%4.4llx, pc = 0x%16.16llx", |
| __FUNCTION__, |
| GetID (), |
| GetRegisterContext()->GetPC()); |
| log->Printf ("^^^^^^^^ Thread::ShouldStop Begin ^^^^^^^^"); |
| StreamString s; |
| s.IndentMore(); |
| DumpThreadPlans(&s); |
| log->Printf ("Plan stack initial state:\n%s", s.GetData()); |
| } |
| |
| // The top most plan always gets to do the trace log... |
| current_plan->DoTraceLog (); |
| |
| // If the base plan doesn't understand why we stopped, then we have to find a plan that does. |
| // If that plan is still working, then we don't need to do any more work. If the plan that explains |
| // the stop is done, then we should pop all the plans below it, and pop it, and then let the plans above it decide |
| // whether they still need to do more work. |
| |
| bool done_processing_current_plan = false; |
| |
| if (!current_plan->PlanExplainsStop()) |
| { |
| if (current_plan->TracerExplainsStop()) |
| { |
| done_processing_current_plan = true; |
| 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); |
| |
| // plan_ptr explains the stop, next check whether plan_ptr is done, if so, then we should take it |
| // and all the plans below it off the stack. |
| |
| if (plan_ptr->MischiefManaged()) |
| { |
| // We're going to pop the plans up to AND INCLUDING the plan that explains the stop. |
| plan_ptr = GetPreviousPlan(plan_ptr); |
| |
| do |
| { |
| if (should_stop) |
| current_plan->WillStop(); |
| PopPlan(); |
| } |
| while ((current_plan = GetCurrentPlan()) != plan_ptr); |
| done_processing_current_plan = false; |
| } |
| else |
| done_processing_current_plan = true; |
| |
| break; |
| } |
| |
| } |
| } |
| } |
| |
| if (!done_processing_current_plan) |
| { |
| bool over_ride_stop = current_plan->ShouldAutoContinue(event_ptr); |
| |
| if (log) |
| log->Printf("Plan %s explains stop, auto-continue %i.", current_plan->GetName(), over_ride_stop); |
| |
| // We're starting from the base plan, so just let it decide; |
| if (PlanIsBasePlan(current_plan)) |
| { |
| should_stop = current_plan->ShouldStop (event_ptr); |
| if (log) |
| log->Printf("Base plan says should stop: %i.", should_stop); |
| } |
| else |
| { |
| // Otherwise, don't let the base plan override what the other plans say to do, since |
| // presumably if there were other plans they would know what to do... |
| while (1) |
| { |
| if (PlanIsBasePlan(current_plan)) |
| break; |
| |
| should_stop = current_plan->ShouldStop(event_ptr); |
| if (log) |
| log->Printf("Plan %s should stop: %d.", current_plan->GetName(), should_stop); |
| 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; |
| } |
| |
| if (log) |
| { |
| StreamString s; |
| s.IndentMore(); |
| DumpThreadPlans(&s); |
| log->Printf ("Plan stack final state:\n%s", s.GetData()); |
| log->Printf ("vvvvvvvv Thread::ShouldStop End (returning %i) vvvvvvvv", should_stop); |
| } |
| return should_stop; |
| } |
| |
| Vote |
| Thread::ShouldReportStop (Event* event_ptr) |
| { |
| StateType thread_state = GetResumeState (); |
| StateType temp_thread_state = GetTemporaryResumeState(); |
| |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| |
| if (thread_state == eStateSuspended || thread_state == eStateInvalid) |
| { |
| if (log) |
| log->Printf ("Thread::ShouldReportStop() tid = 0x%4.4llx: returning vote %i (state was suspended or invalid)\n", GetID(), eVoteNoOpinion); |
| return eVoteNoOpinion; |
| } |
| |
| if (temp_thread_state == eStateSuspended || temp_thread_state == eStateInvalid) |
| { |
| if (log) |
| log->Printf ("Thread::ShouldReportStop() tid = 0x%4.4llx: returning vote %i (temporary state was suspended or invalid)\n", GetID(), eVoteNoOpinion); |
| return eVoteNoOpinion; |
| } |
| |
| if (!ThreadStoppedForAReason()) |
| { |
| if (log) |
| log->Printf ("Thread::ShouldReportStop() tid = 0x%4.4llx: returning vote %i (thread didn't stop for a reason.)\n", GetID(), eVoteNoOpinion); |
| return eVoteNoOpinion; |
| } |
| |
| if (m_completed_plan_stack.size() > 0) |
| { |
| // Don't use GetCompletedPlan here, since that suppresses private plans. |
| if (log) |
| log->Printf ("Thread::ShouldReportStop() tid = 0x%4.4llx: returning vote for complete stack's back plan\n", GetID()); |
| return m_completed_plan_stack.back()->ShouldReportStop (event_ptr); |
| } |
| else |
| { |
| if (log) |
| log->Printf ("Thread::ShouldReportStop() tid = 0x%4.4llx: returning vote for current plan\n", GetID()); |
| return GetCurrentPlan()->ShouldReportStop (event_ptr); |
| } |
| } |
| |
| Vote |
| Thread::ShouldReportRun (Event* event_ptr) |
| { |
| StateType thread_state = GetResumeState (); |
| |
| if (thread_state == eStateSuspended |
| || thread_state == eStateInvalid) |
| { |
| return eVoteNoOpinion; |
| } |
| |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| if (m_completed_plan_stack.size() > 0) |
| { |
| // Don't use GetCompletedPlan here, since that suppresses private plans. |
| if (log) |
| log->Printf ("Current Plan for thread %d (0x%4.4llx): %s being asked whether we should report run.", |
| GetIndexID(), |
| GetID(), |
| m_completed_plan_stack.back()->GetName()); |
| |
| return m_completed_plan_stack.back()->ShouldReportRun (event_ptr); |
| } |
| else |
| { |
| if (log) |
| log->Printf ("Current Plan for thread %d (0x%4.4llx): %s being asked whether we should report run.", |
| GetIndexID(), |
| GetID(), |
| GetCurrentPlan()->GetName()); |
| |
| 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 the thread plan doesn't already have a tracer, give it its parent's tracer: |
| if (!thread_plan_sp->GetThreadPlanTracer()) |
| thread_plan_sp->SetThreadPlanTracer(m_plan_stack.back()->GetThreadPlanTracer()); |
| m_plan_stack.push_back (thread_plan_sp); |
| |
| thread_plan_sp->DidPush(); |
| |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| if (log) |
| { |
| StreamString s; |
| thread_plan_sp->GetDescription (&s, lldb::eDescriptionLevelFull); |
| log->Printf("Pushing plan: \"%s\", tid = 0x%4.4llx.", |
| s.GetData(), |
| thread_plan_sp->GetThread().GetID()); |
| } |
| } |
| } |
| |
| void |
| Thread::PopPlan () |
| { |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| |
| if (m_plan_stack.empty()) |
| return; |
| else |
| { |
| ThreadPlanSP &plan = m_plan_stack.back(); |
| if (log) |
| { |
| log->Printf("Popping plan: \"%s\", tid = 0x%4.4llx.", 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_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; |
| } |
| |
| ValueObjectSP |
| Thread::GetReturnValueObject () |
| { |
| if (!m_completed_plan_stack.empty()) |
| { |
| for (int i = m_completed_plan_stack.size() - 1; i >= 0; i--) |
| { |
| ValueObjectSP return_valobj_sp; |
| return_valobj_sp = m_completed_plan_stack[i]->GetReturnValueObject(); |
| if (return_valobj_sp) |
| return return_valobj_sp; |
| } |
| } |
| return ValueObjectSP(); |
| } |
| |
| bool |
| Thread::IsThreadPlanDone (ThreadPlan *plan) |
| { |
| 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) |
| { |
| 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_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::EnableTracer (bool value, bool single_stepping) |
| { |
| int stack_size = m_plan_stack.size(); |
| for (int i = 0; i < stack_size; i++) |
| { |
| if (m_plan_stack[i]->GetThreadPlanTracer()) |
| { |
| m_plan_stack[i]->GetThreadPlanTracer()->EnableTracing(value); |
| m_plan_stack[i]->GetThreadPlanTracer()->EnableSingleStep(single_stepping); |
| } |
| } |
| } |
| |
| void |
| Thread::SetTracer (lldb::ThreadPlanTracerSP &tracer_sp) |
| { |
| int stack_size = m_plan_stack.size(); |
| for (int i = 0; i < stack_size; i++) |
| m_plan_stack[i]->SetThreadPlanTracer(tracer_sp); |
| } |
| |
| void |
| Thread::DiscardThreadPlansUpToPlan (lldb::ThreadPlanSP &up_to_plan_sp) |
| { |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| if (log) |
| { |
| log->Printf("Discarding thread plans for thread tid = 0x%4.4llx, up to %p", GetID(), up_to_plan_sp.get()); |
| } |
| |
| int stack_size = m_plan_stack.size(); |
| |
| // If the input plan is NULL, discard all plans. Otherwise make sure this plan is in the |
| // stack, and if so discard up to and including it. |
| |
| if (up_to_plan_sp.get() == NULL) |
| { |
| for (int i = stack_size - 1; i > 0; i--) |
| DiscardPlan(); |
| } |
| else |
| { |
| bool found_it = false; |
| for (int i = stack_size - 1; i > 0; i--) |
| { |
| if (m_plan_stack[i] == up_to_plan_sp) |
| found_it = true; |
| } |
| if (found_it) |
| { |
| bool last_one = false; |
| for (int i = stack_size - 1; i > 0 && !last_one ; i--) |
| { |
| if (GetCurrentPlan() == up_to_plan_sp.get()) |
| last_one = true; |
| DiscardPlan(); |
| } |
| } |
| } |
| return; |
| } |
| |
| void |
| Thread::DiscardThreadPlans(bool force) |
| { |
| LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); |
| if (log) |
| { |
| log->Printf("Discarding thread plans for thread (tid = 0x%4.4llx, 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; |
| } |
| |
| } |
| } |
| |
| bool |
| Thread::PlanIsBasePlan (ThreadPlan *plan_ptr) |
| { |
| if (plan_ptr->IsBasePlan()) |
| return true; |
| else if (m_plan_stack.size() == 0) |
| return false; |
| else |
| return m_plan_stack[0].get() == plan_ptr; |
| } |
| |
| 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, |
| uint32_t frame_idx |
| ) |
| { |
| ThreadPlanSP thread_plan_sp (new ThreadPlanStepOut (*this, |
| addr_context, |
| first_insn, |
| stop_other_threads, |
| stop_vote, |
| run_vote, |
| frame_idx)); |
| 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(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, ClangASTType(), arg, 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, |
| uint32_t frame_idx) |
| { |
| ThreadPlanSP thread_plan_sp (new ThreadPlanStepUntil (*this, address_list, num_addresses, stop_other_threads, frame_idx)); |
| 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(); |
| int i; |
| s->Indent(); |
| s->Printf ("Plan Stack for thread #%u: tid = 0x%4.4llx, stack_size = %d\n", GetIndexID(), GetID(), stack_size); |
| for (i = stack_size - 1; i >= 0; i--) |
| { |
| s->IndentMore(); |
| s->Indent(); |
| s->Printf ("Element %d: ", i); |
| m_plan_stack[i]->GetDescription (s, eDescriptionLevelFull); |
| s->EOL(); |
| s->IndentLess(); |
| } |
| |
| stack_size = m_completed_plan_stack.size(); |
| if (stack_size > 0) |
| { |
| s->Indent(); |
| s->Printf ("Completed Plan Stack: %d elements.\n", stack_size); |
| for (i = stack_size - 1; i >= 0; i--) |
| { |
| s->IndentMore(); |
| s->Indent(); |
| s->Printf ("Element %d: ", i); |
| m_completed_plan_stack[i]->GetDescription (s, eDescriptionLevelFull); |
| s->EOL(); |
| s->IndentLess(); |
| } |
| } |
| |
| stack_size = m_discarded_plan_stack.size(); |
| if (stack_size > 0) |
| { |
| s->Indent(); |
| s->Printf ("Discarded Plan Stack: %d elements.\n", stack_size); |
| for (i = stack_size - 1; i >= 0; i--) |
| { |
| s->IndentMore(); |
| s->Indent(); |
| s->Printf ("Element %d: ", i); |
| m_discarded_plan_stack[i]->GetDescription (s, eDescriptionLevelFull); |
| s->EOL(); |
| s->IndentLess(); |
| } |
| } |
| |
| } |
| |
| TargetSP |
| Thread::CalculateTarget () |
| { |
| TargetSP target_sp; |
| ProcessSP process_sp(GetProcess()); |
| if (process_sp) |
| target_sp = process_sp->CalculateTarget(); |
| return target_sp; |
| |
| } |
| |
| ProcessSP |
| Thread::CalculateProcess () |
| { |
| return GetProcess(); |
| } |
| |
| ThreadSP |
| Thread::CalculateThread () |
| { |
| return shared_from_this(); |
| } |
| |
| StackFrameSP |
| Thread::CalculateStackFrame () |
| { |
| return StackFrameSP(); |
| } |
| |
| void |
| Thread::CalculateExecutionContext (ExecutionContext &exe_ctx) |
| { |
| exe_ctx.SetContext (shared_from_this()); |
| } |
| |
| |
| StackFrameListSP |
| Thread::GetStackFrameList () |
| { |
| StackFrameListSP frame_list_sp; |
| Mutex::Locker locker(m_frame_mutex); |
| if (m_curr_frames_sp) |
| { |
| frame_list_sp = m_curr_frames_sp; |
| } |
| else |
| { |
| frame_list_sp.reset(new StackFrameList (*this, m_prev_frames_sp, true)); |
| m_curr_frames_sp = frame_list_sp; |
| } |
| return frame_list_sp; |
| } |
| |
| void |
| Thread::ClearStackFrames () |
| { |
| Mutex::Locker locker(m_frame_mutex); |
| |
| // Only store away the old "reference" StackFrameList if we got all its frames: |
| // FIXME: At some point we can try to splice in the frames we have fetched into |
| // the new frame as we make it, but let's not try that now. |
| if (m_curr_frames_sp && m_curr_frames_sp->GetAllFramesFetched()) |
| m_prev_frames_sp.swap (m_curr_frames_sp); |
| m_curr_frames_sp.reset(); |
| } |
| |
| lldb::StackFrameSP |
| Thread::GetFrameWithConcreteFrameIndex (uint32_t unwind_idx) |
| { |
| return GetStackFrameList()->GetFrameWithConcreteFrameIndex (unwind_idx); |
| } |
| |
| void |
| Thread::DumpUsingSettingsFormat (Stream &strm, uint32_t frame_idx) |
| { |
| ExecutionContext exe_ctx (shared_from_this()); |
| Process *process = exe_ctx.GetProcessPtr(); |
| if (process == NULL) |
| return; |
| |
| StackFrameSP frame_sp; |
| SymbolContext frame_sc; |
| if (frame_idx != LLDB_INVALID_INDEX32) |
| { |
| frame_sp = GetStackFrameAtIndex (frame_idx); |
| if (frame_sp) |
| { |
| exe_ctx.SetFrameSP(frame_sp); |
| frame_sc = frame_sp->GetSymbolContext(eSymbolContextEverything); |
| } |
| } |
| |
| const char *thread_format = exe_ctx.GetTargetRef().GetDebugger().GetThreadFormat(); |
| assert (thread_format); |
| const char *end = NULL; |
| Debugger::FormatPrompt (thread_format, |
| frame_sp ? &frame_sc : NULL, |
| &exe_ctx, |
| NULL, |
| strm, |
| &end); |
| } |
| |
| void |
| Thread::SettingsInitialize () |
| { |
| UserSettingsController::InitializeSettingsController (GetSettingsController(), |
| SettingsController::global_settings_table, |
| SettingsController::instance_settings_table); |
| |
| // Now call SettingsInitialize() on each 'child' setting of Thread. |
| // Currently there are none. |
| } |
| |
| void |
| Thread::SettingsTerminate () |
| { |
| // Must call SettingsTerminate() on each 'child' setting of Thread before terminating Thread settings. |
| // Currently there are none. |
| |
| // Now terminate Thread Settings. |
| |
| UserSettingsControllerSP &usc = GetSettingsController(); |
| UserSettingsController::FinalizeSettingsController (usc); |
| usc.reset(); |
| } |
| |
| UserSettingsControllerSP & |
| Thread::GetSettingsController () |
| { |
| static UserSettingsControllerSP g_settings_controller_sp; |
| if (!g_settings_controller_sp) |
| { |
| g_settings_controller_sp.reset (new Thread::SettingsController); |
| // The first shared pointer to Target::SettingsController in |
| // g_settings_controller_sp must be fully created above so that |
| // the TargetInstanceSettings can use a weak_ptr to refer back |
| // to the master setttings controller |
| InstanceSettingsSP default_instance_settings_sp (new ThreadInstanceSettings (g_settings_controller_sp, |
| false, |
| InstanceSettings::GetDefaultName().AsCString())); |
| |
| g_settings_controller_sp->SetDefaultInstanceSettings (default_instance_settings_sp); |
| } |
| return g_settings_controller_sp; |
| } |
| |
| void |
| Thread::UpdateInstanceName () |
| { |
| StreamString sstr; |
| const char *name = GetName(); |
| |
| if (name && name[0] != '\0') |
| sstr.Printf ("%s", name); |
| else if ((GetIndexID() != 0) || (GetID() != 0)) |
| sstr.Printf ("0x%4.4x", GetIndexID()); |
| |
| if (sstr.GetSize() > 0) |
| Thread::GetSettingsController()->RenameInstanceSettings (GetInstanceName().AsCString(), sstr.GetData()); |
| } |
| |
| lldb::StackFrameSP |
| Thread::GetStackFrameSPForStackFramePtr (StackFrame *stack_frame_ptr) |
| { |
| return GetStackFrameList()->GetStackFrameSPForStackFramePtr (stack_frame_ptr); |
| } |
| |
| const char * |
| Thread::StopReasonAsCString (lldb::StopReason reason) |
| { |
| switch (reason) |
| { |
| case eStopReasonInvalid: return "invalid"; |
| case eStopReasonNone: return "none"; |
| case eStopReasonTrace: return "trace"; |
| case eStopReasonBreakpoint: return "breakpoint"; |
| case eStopReasonWatchpoint: return "watchpoint"; |
| case eStopReasonSignal: return "signal"; |
| case eStopReasonException: return "exception"; |
| case eStopReasonPlanComplete: return "plan complete"; |
| } |
| |
| |
| static char unknown_state_string[64]; |
| snprintf(unknown_state_string, sizeof (unknown_state_string), "StopReason = %i", reason); |
| return unknown_state_string; |
| } |
| |
| const char * |
| Thread::RunModeAsCString (lldb::RunMode mode) |
| { |
| switch (mode) |
| { |
| case eOnlyThisThread: return "only this thread"; |
| case eAllThreads: return "all threads"; |
| case eOnlyDuringStepping: return "only during stepping"; |
| } |
| |
| static char unknown_state_string[64]; |
| snprintf(unknown_state_string, sizeof (unknown_state_string), "RunMode = %i", mode); |
| return unknown_state_string; |
| } |
| |
| size_t |
| Thread::GetStatus (Stream &strm, uint32_t start_frame, uint32_t num_frames, uint32_t num_frames_with_source) |
| { |
| ExecutionContext exe_ctx (shared_from_this()); |
| Target *target = exe_ctx.GetTargetPtr(); |
| Process *process = exe_ctx.GetProcessPtr(); |
| size_t num_frames_shown = 0; |
| strm.Indent(); |
| bool is_selected = false; |
| if (process) |
| { |
| if (process->GetThreadList().GetSelectedThread().get() == this) |
| is_selected = true; |
| } |
| strm.Printf("%c ", is_selected ? '*' : ' '); |
| if (target && target->GetDebugger().GetUseExternalEditor()) |
| { |
| StackFrameSP frame_sp = GetStackFrameAtIndex(start_frame); |
| if (frame_sp) |
| { |
| SymbolContext frame_sc(frame_sp->GetSymbolContext (eSymbolContextLineEntry)); |
| if (frame_sc.line_entry.line != 0 && frame_sc.line_entry.file) |
| { |
| Host::OpenFileInExternalEditor (frame_sc.line_entry.file, frame_sc.line_entry.line); |
| } |
| } |
| } |
| |
| DumpUsingSettingsFormat (strm, start_frame); |
| |
| if (num_frames > 0) |
| { |
| strm.IndentMore(); |
| |
| const bool show_frame_info = true; |
| const uint32_t source_lines_before = 3; |
| const uint32_t source_lines_after = 3; |
| strm.IndentMore (); |
| num_frames_shown = GetStackFrameList ()->GetStatus (strm, |
| start_frame, |
| num_frames, |
| show_frame_info, |
| num_frames_with_source, |
| source_lines_before, |
| source_lines_after); |
| strm.IndentLess(); |
| strm.IndentLess(); |
| } |
| return num_frames_shown; |
| } |
| |
| size_t |
| Thread::GetStackFrameStatus (Stream& strm, |
| uint32_t first_frame, |
| uint32_t num_frames, |
| bool show_frame_info, |
| uint32_t num_frames_with_source, |
| uint32_t source_lines_before, |
| uint32_t source_lines_after) |
| { |
| return GetStackFrameList()->GetStatus (strm, |
| first_frame, |
| num_frames, |
| show_frame_info, |
| num_frames_with_source, |
| source_lines_before, |
| source_lines_after); |
| } |
| |
| bool |
| Thread::SaveFrameZeroState (RegisterCheckpoint &checkpoint) |
| { |
| lldb::StackFrameSP frame_sp(GetStackFrameAtIndex (0)); |
| if (frame_sp) |
| { |
| checkpoint.SetStackID(frame_sp->GetStackID()); |
| return frame_sp->GetRegisterContext()->ReadAllRegisterValues (checkpoint.GetData()); |
| } |
| return false; |
| } |
| |
| bool |
| Thread::RestoreSaveFrameZero (const RegisterCheckpoint &checkpoint) |
| { |
| lldb::StackFrameSP frame_sp(GetStackFrameAtIndex (0)); |
| if (frame_sp) |
| { |
| bool ret = frame_sp->GetRegisterContext()->WriteAllRegisterValues (checkpoint.GetData()); |
| |
| // Clear out all stack frames as our world just changed. |
| ClearStackFrames(); |
| frame_sp->GetRegisterContext()->InvalidateIfNeeded(true); |
| |
| return ret; |
| } |
| return false; |
| } |
| |
| Unwind * |
| Thread::GetUnwinder () |
| { |
| if (m_unwinder_ap.get() == NULL) |
| { |
| const ArchSpec target_arch (CalculateTarget()->GetArchitecture ()); |
| const llvm::Triple::ArchType machine = target_arch.GetMachine(); |
| switch (machine) |
| { |
| case llvm::Triple::x86_64: |
| case llvm::Triple::x86: |
| case llvm::Triple::arm: |
| case llvm::Triple::thumb: |
| m_unwinder_ap.reset (new UnwindLLDB (*this)); |
| break; |
| |
| default: |
| if (target_arch.GetTriple().getVendor() == llvm::Triple::Apple) |
| m_unwinder_ap.reset (new UnwindMacOSXFrameBackchain (*this)); |
| break; |
| } |
| } |
| return m_unwinder_ap.get(); |
| } |
| |
| |
| #pragma mark "Thread::SettingsController" |
| //-------------------------------------------------------------- |
| // class Thread::SettingsController |
| //-------------------------------------------------------------- |
| |
| Thread::SettingsController::SettingsController () : |
| UserSettingsController ("thread", Process::GetSettingsController()) |
| { |
| } |
| |
| Thread::SettingsController::~SettingsController () |
| { |
| } |
| |
| lldb::InstanceSettingsSP |
| Thread::SettingsController::CreateInstanceSettings (const char *instance_name) |
| { |
| lldb::InstanceSettingsSP new_settings_sp (new ThreadInstanceSettings (GetSettingsController(), |
| false, |
| instance_name)); |
| return new_settings_sp; |
| } |
| |
| #pragma mark "ThreadInstanceSettings" |
| //-------------------------------------------------------------- |
| // class ThreadInstanceSettings |
| //-------------------------------------------------------------- |
| |
| ThreadInstanceSettings::ThreadInstanceSettings (const UserSettingsControllerSP &owner_sp, bool live_instance, const char *name) : |
| InstanceSettings (owner_sp, name ? name : InstanceSettings::InvalidName().AsCString(), live_instance), |
| m_avoid_regexp_ap (), |
| m_trace_enabled (false) |
| { |
| // CopyInstanceSettings is a pure virtual function in InstanceSettings; it therefore cannot be called |
| // until the vtables for ThreadInstanceSettings are properly set up, i.e. AFTER all the initializers. |
| // For this reason it has to be called here, rather than in the initializer or in the parent constructor. |
| // This is true for CreateInstanceName() too. |
| |
| if (GetInstanceName() == InstanceSettings::InvalidName()) |
| { |
| ChangeInstanceName (std::string (CreateInstanceName().AsCString())); |
| owner_sp->RegisterInstanceSettings (this); |
| } |
| |
| if (live_instance) |
| { |
| CopyInstanceSettings (owner_sp->FindPendingSettings (m_instance_name),false); |
| } |
| } |
| |
| ThreadInstanceSettings::ThreadInstanceSettings (const ThreadInstanceSettings &rhs) : |
| InstanceSettings (Thread::GetSettingsController(), CreateInstanceName().AsCString()), |
| m_avoid_regexp_ap (), |
| m_trace_enabled (rhs.m_trace_enabled) |
| { |
| if (m_instance_name != InstanceSettings::GetDefaultName()) |
| { |
| UserSettingsControllerSP owner_sp (m_owner_wp.lock()); |
| if (owner_sp) |
| { |
| CopyInstanceSettings (owner_sp->FindPendingSettings (m_instance_name), false); |
| owner_sp->RemovePendingSettings (m_instance_name); |
| } |
| } |
| if (rhs.m_avoid_regexp_ap.get() != NULL) |
| m_avoid_regexp_ap.reset(new RegularExpression(rhs.m_avoid_regexp_ap->GetText())); |
| } |
| |
| ThreadInstanceSettings::~ThreadInstanceSettings () |
| { |
| } |
| |
| ThreadInstanceSettings& |
| ThreadInstanceSettings::operator= (const ThreadInstanceSettings &rhs) |
| { |
| if (this != &rhs) |
| { |
| if (rhs.m_avoid_regexp_ap.get() != NULL) |
| m_avoid_regexp_ap.reset(new RegularExpression(rhs.m_avoid_regexp_ap->GetText())); |
| else |
| m_avoid_regexp_ap.reset(NULL); |
| } |
| m_trace_enabled = rhs.m_trace_enabled; |
| return *this; |
| } |
| |
| |
| void |
| ThreadInstanceSettings::UpdateInstanceSettingsVariable (const ConstString &var_name, |
| const char *index_value, |
| const char *value, |
| const ConstString &instance_name, |
| const SettingEntry &entry, |
| VarSetOperationType op, |
| Error &err, |
| bool pending) |
| { |
| if (var_name == StepAvoidRegexpVarName()) |
| { |
| std::string regexp_text; |
| if (m_avoid_regexp_ap.get() != NULL) |
| regexp_text.append (m_avoid_regexp_ap->GetText()); |
| UserSettingsController::UpdateStringVariable (op, regexp_text, value, err); |
| if (regexp_text.empty()) |
| m_avoid_regexp_ap.reset(); |
| else |
| { |
| m_avoid_regexp_ap.reset(new RegularExpression(regexp_text.c_str())); |
| |
| } |
| } |
| else if (var_name == GetTraceThreadVarName()) |
| { |
| bool success; |
| bool result = Args::StringToBoolean(value, false, &success); |
| |
| if (success) |
| { |
| m_trace_enabled = result; |
| if (!pending) |
| { |
| Thread *myself = static_cast<Thread *> (this); |
| myself->EnableTracer(m_trace_enabled, true); |
| } |
| } |
| else |
| { |
| err.SetErrorStringWithFormat ("Bad value \"%s\" for trace-thread, should be Boolean.", value); |
| } |
| |
| } |
| } |
| |
| void |
| ThreadInstanceSettings::CopyInstanceSettings (const lldb::InstanceSettingsSP &new_settings, |
| bool pending) |
| { |
| if (new_settings.get() == NULL) |
| return; |
| |
| ThreadInstanceSettings *new_process_settings = (ThreadInstanceSettings *) new_settings.get(); |
| if (new_process_settings->GetSymbolsToAvoidRegexp() != NULL) |
| m_avoid_regexp_ap.reset (new RegularExpression (new_process_settings->GetSymbolsToAvoidRegexp()->GetText())); |
| else |
| m_avoid_regexp_ap.reset (); |
| } |
| |
| bool |
| ThreadInstanceSettings::GetInstanceSettingsValue (const SettingEntry &entry, |
| const ConstString &var_name, |
| StringList &value, |
| Error *err) |
| { |
| if (var_name == StepAvoidRegexpVarName()) |
| { |
| if (m_avoid_regexp_ap.get() != NULL) |
| { |
| std::string regexp_text("\""); |
| regexp_text.append(m_avoid_regexp_ap->GetText()); |
| regexp_text.append ("\""); |
| value.AppendString (regexp_text.c_str()); |
| } |
| |
| } |
| else if (var_name == GetTraceThreadVarName()) |
| { |
| value.AppendString(m_trace_enabled ? "true" : "false"); |
| } |
| else |
| { |
| if (err) |
| err->SetErrorStringWithFormat ("unrecognized variable name '%s'", var_name.AsCString()); |
| return false; |
| } |
| return true; |
| } |
| |
| const ConstString |
| ThreadInstanceSettings::CreateInstanceName () |
| { |
| static int instance_count = 1; |
| StreamString sstr; |
| |
| sstr.Printf ("thread_%d", instance_count); |
| ++instance_count; |
| |
| const ConstString ret_val (sstr.GetData()); |
| return ret_val; |
| } |
| |
| const ConstString & |
| ThreadInstanceSettings::StepAvoidRegexpVarName () |
| { |
| static ConstString step_avoid_var_name ("step-avoid-regexp"); |
| |
| return step_avoid_var_name; |
| } |
| |
| const ConstString & |
| ThreadInstanceSettings::GetTraceThreadVarName () |
| { |
| static ConstString trace_thread_var_name ("trace-thread"); |
| |
| return trace_thread_var_name; |
| } |
| |
| //-------------------------------------------------- |
| // SettingsController Variable Tables |
| //-------------------------------------------------- |
| |
| SettingEntry |
| Thread::SettingsController::global_settings_table[] = |
| { |
| //{ "var-name", var-type , "default", enum-table, init'd, hidden, "help-text"}, |
| { NULL, eSetVarTypeNone, NULL, NULL, 0, 0, NULL } |
| }; |
| |
| |
| SettingEntry |
| Thread::SettingsController::instance_settings_table[] = |
| { |
| //{ "var-name", var-type, "default", enum-table, init'd, hidden, "help-text"}, |
| { "step-avoid-regexp", eSetVarTypeString, "", NULL, false, false, "A regular expression defining functions step-in won't stop in." }, |
| { "trace-thread", eSetVarTypeBoolean, "false", NULL, false, false, "If true, this thread will single-step and log execution." }, |
| { NULL, eSetVarTypeNone, NULL, NULL, 0, 0, NULL } |
| }; |
