diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Target/ThreadPlanBase.cpp')
-rw-r--r-- | contrib/llvm/tools/lldb/source/Target/ThreadPlanBase.cpp | 325 |
1 files changed, 150 insertions, 175 deletions
diff --git a/contrib/llvm/tools/lldb/source/Target/ThreadPlanBase.cpp b/contrib/llvm/tools/lldb/source/Target/ThreadPlanBase.cpp index d70afae..f290483 100644 --- a/contrib/llvm/tools/lldb/source/Target/ThreadPlanBase.cpp +++ b/contrib/llvm/tools/lldb/source/Target/ThreadPlanBase.cpp @@ -14,10 +14,10 @@ // Other libraries and framework includes // Project includes // -#include "lldb/Breakpoint/StoppointCallbackContext.h" -#include "lldb/Breakpoint/BreakpointSite.h" -#include "lldb/Breakpoint/BreakpointLocation.h" #include "lldb/Breakpoint/Breakpoint.h" +#include "lldb/Breakpoint/BreakpointLocation.h" +#include "lldb/Breakpoint/BreakpointSite.h" +#include "lldb/Breakpoint/StoppointCallbackContext.h" #include "lldb/Core/Log.h" #include "lldb/Core/Stream.h" #include "lldb/Target/Process.h" @@ -33,205 +33,180 @@ using namespace lldb_private; // FIXME: The "signal handling" policies should probably go here. //---------------------------------------------------------------------- -ThreadPlanBase::ThreadPlanBase (Thread &thread) : - ThreadPlan(ThreadPlan::eKindBase, "base plan", thread, eVoteYes, eVoteNoOpinion) -{ - // Set the tracer to a default tracer. - // FIXME: need to add a thread settings variable to pix various tracers... +ThreadPlanBase::ThreadPlanBase(Thread &thread) + : ThreadPlan(ThreadPlan::eKindBase, "base plan", thread, eVoteYes, + eVoteNoOpinion) { +// Set the tracer to a default tracer. +// FIXME: need to add a thread settings variable to pix various tracers... #define THREAD_PLAN_USE_ASSEMBLY_TRACER 1 #ifdef THREAD_PLAN_USE_ASSEMBLY_TRACER - ThreadPlanTracerSP new_tracer_sp (new ThreadPlanAssemblyTracer (m_thread)); + ThreadPlanTracerSP new_tracer_sp(new ThreadPlanAssemblyTracer(m_thread)); #else - ThreadPlanTracerSP new_tracer_sp (new ThreadPlanTracer (m_thread)); + ThreadPlanTracerSP new_tracer_sp(new ThreadPlanTracer(m_thread)); #endif - new_tracer_sp->EnableTracing (m_thread.GetTraceEnabledState()); - SetThreadPlanTracer(new_tracer_sp); - SetIsMasterPlan (true); + new_tracer_sp->EnableTracing(m_thread.GetTraceEnabledState()); + SetThreadPlanTracer(new_tracer_sp); + SetIsMasterPlan(true); } -ThreadPlanBase::~ThreadPlanBase () -{ +ThreadPlanBase::~ThreadPlanBase() {} +void ThreadPlanBase::GetDescription(Stream *s, lldb::DescriptionLevel level) { + s->Printf("Base thread plan."); } -void -ThreadPlanBase::GetDescription (Stream *s, lldb::DescriptionLevel level) -{ - s->Printf ("Base thread plan."); -} +bool ThreadPlanBase::ValidatePlan(Stream *error) { return true; } -bool -ThreadPlanBase::ValidatePlan (Stream *error) -{ +bool ThreadPlanBase::DoPlanExplainsStop(Event *event_ptr) { + // The base plan should defer to its tracer, since by default it + // always handles the stop. + if (TracerExplainsStop()) + return false; + else return true; } -bool -ThreadPlanBase::DoPlanExplainsStop (Event *event_ptr) -{ - // The base plan should defer to its tracer, since by default it - // always handles the stop. - if (TracerExplainsStop()) - return false; +Vote ThreadPlanBase::ShouldReportStop(Event *event_ptr) { + StopInfoSP stop_info_sp = m_thread.GetStopInfo(); + if (stop_info_sp) { + bool should_notify = stop_info_sp->ShouldNotify(event_ptr); + if (should_notify) + return eVoteYes; else - return true; + return eVoteNoOpinion; + } else + return eVoteNoOpinion; } -Vote -ThreadPlanBase::ShouldReportStop(Event *event_ptr) -{ - StopInfoSP stop_info_sp = m_thread.GetStopInfo (); - if (stop_info_sp) - { - bool should_notify = stop_info_sp->ShouldNotify(event_ptr); - if (should_notify) - return eVoteYes; +bool ThreadPlanBase::ShouldStop(Event *event_ptr) { + m_stop_vote = eVoteYes; + m_run_vote = eVoteYes; + + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_STEP)); + + StopInfoSP stop_info_sp = GetPrivateStopInfo(); + if (stop_info_sp) { + StopReason reason = stop_info_sp->GetStopReason(); + switch (reason) { + case eStopReasonInvalid: + case eStopReasonNone: + // This + m_run_vote = eVoteNoOpinion; + m_stop_vote = eVoteNo; + return false; + + case eStopReasonBreakpoint: + case eStopReasonWatchpoint: + if (stop_info_sp->ShouldStopSynchronous(event_ptr)) { + // If we are going to stop for a breakpoint, then unship the other plans + // at this point. Don't force the discard, however, so Master plans can + // stay + // in place if they want to. + if (log) + log->Printf( + "Base plan discarding thread plans for thread tid = 0x%4.4" PRIx64 + " (breakpoint hit.)", + m_thread.GetID()); + m_thread.DiscardThreadPlans(false); + return true; + } + // If we aren't going to stop at this breakpoint, and it is internal, + // don't report this stop or the subsequent running event. + // Otherwise we will post the stopped & running, but the stopped event + // will get marked + // with "restarted" so the UI will know to wait and expect the consequent + // "running". + if (stop_info_sp->ShouldNotify(event_ptr)) { + m_stop_vote = eVoteYes; + m_run_vote = eVoteYes; + } else { + m_stop_vote = eVoteNo; + m_run_vote = eVoteNo; + } + return false; + + // TODO: the break below was missing, was this intentional??? If so + // please mention it + break; + + case eStopReasonException: + // If we crashed, discard thread plans and stop. Don't force the discard, + // however, + // since on rerun the target may clean up this exception and continue + // normally from there. + if (log) + log->Printf( + "Base plan discarding thread plans for thread tid = 0x%4.4" PRIx64 + " (exception: %s)", + m_thread.GetID(), stop_info_sp->GetDescription()); + m_thread.DiscardThreadPlans(false); + return true; + + case eStopReasonExec: + // If we crashed, discard thread plans and stop. Don't force the discard, + // however, + // since on rerun the target may clean up this exception and continue + // normally from there. + if (log) + log->Printf( + "Base plan discarding thread plans for thread tid = 0x%4.4" PRIx64 + " (exec.)", + m_thread.GetID()); + m_thread.DiscardThreadPlans(false); + return true; + + case eStopReasonThreadExiting: + case eStopReasonSignal: + if (stop_info_sp->ShouldStop(event_ptr)) { + if (log) + log->Printf( + "Base plan discarding thread plans for thread tid = 0x%4.4" PRIx64 + " (signal: %s)", + m_thread.GetID(), stop_info_sp->GetDescription()); + m_thread.DiscardThreadPlans(false); + return true; + } else { + // We're not going to stop, but while we are here, let's figure out + // whether to report this. + if (stop_info_sp->ShouldNotify(event_ptr)) + m_stop_vote = eVoteYes; else - return eVoteNoOpinion; - } - else - return eVoteNoOpinion; -} + m_stop_vote = eVoteNo; + } + return false; -bool -ThreadPlanBase::ShouldStop (Event *event_ptr) -{ - m_stop_vote = eVoteYes; - m_run_vote = eVoteYes; - - Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_STEP)); - - StopInfoSP stop_info_sp = GetPrivateStopInfo (); - if (stop_info_sp) - { - StopReason reason = stop_info_sp->GetStopReason (); - switch (reason) - { - case eStopReasonInvalid: - case eStopReasonNone: - // This - m_run_vote = eVoteNoOpinion; - m_stop_vote = eVoteNo; - return false; - - case eStopReasonBreakpoint: - case eStopReasonWatchpoint: - if (stop_info_sp->ShouldStopSynchronous(event_ptr)) - { - // If we are going to stop for a breakpoint, then unship the other plans - // at this point. Don't force the discard, however, so Master plans can stay - // in place if they want to. - if (log) - log->Printf("Base plan discarding thread plans for thread tid = 0x%4.4" PRIx64 " (breakpoint hit.)", m_thread.GetID()); - m_thread.DiscardThreadPlans(false); - return true; - } - // If we aren't going to stop at this breakpoint, and it is internal, - // don't report this stop or the subsequent running event. - // Otherwise we will post the stopped & running, but the stopped event will get marked - // with "restarted" so the UI will know to wait and expect the consequent "running". - if (stop_info_sp->ShouldNotify (event_ptr)) - { - m_stop_vote = eVoteYes; - m_run_vote = eVoteYes; - } - else - { - m_stop_vote = eVoteNo; - m_run_vote = eVoteNo; - } - return false; - - // TODO: the break below was missing, was this intentional??? If so - // please mention it - break; - - case eStopReasonException: - // If we crashed, discard thread plans and stop. Don't force the discard, however, - // since on rerun the target may clean up this exception and continue normally from there. - if (log) - log->Printf("Base plan discarding thread plans for thread tid = 0x%4.4" PRIx64 " (exception: %s)", m_thread.GetID(), stop_info_sp->GetDescription()); - m_thread.DiscardThreadPlans(false); - return true; - - case eStopReasonExec: - // If we crashed, discard thread plans and stop. Don't force the discard, however, - // since on rerun the target may clean up this exception and continue normally from there. - if (log) - log->Printf("Base plan discarding thread plans for thread tid = 0x%4.4" PRIx64 " (exec.)", m_thread.GetID()); - m_thread.DiscardThreadPlans(false); - return true; - - case eStopReasonThreadExiting: - case eStopReasonSignal: - if (stop_info_sp->ShouldStop(event_ptr)) - { - if (log) - log->Printf("Base plan discarding thread plans for thread tid = 0x%4.4" PRIx64 " (signal: %s)", m_thread.GetID(), stop_info_sp->GetDescription()); - m_thread.DiscardThreadPlans(false); - return true; - } - else - { - // We're not going to stop, but while we are here, let's figure out - // whether to report this. - if (stop_info_sp->ShouldNotify(event_ptr)) - m_stop_vote = eVoteYes; - else - m_stop_vote = eVoteNo; - } - return false; - - default: - return true; - } - - } - else - { - m_run_vote = eVoteNoOpinion; - m_stop_vote = eVoteNo; + default: + return true; } - // If there's no explicit reason to stop, then we will continue. - return false; -} + } else { + m_run_vote = eVoteNoOpinion; + m_stop_vote = eVoteNo; + } -bool -ThreadPlanBase::StopOthers () -{ - return false; + // If there's no explicit reason to stop, then we will continue. + return false; } -StateType -ThreadPlanBase::GetPlanRunState () -{ - return eStateRunning; -} +bool ThreadPlanBase::StopOthers() { return false; } -bool -ThreadPlanBase::WillStop () -{ - return true; -} +StateType ThreadPlanBase::GetPlanRunState() { return eStateRunning; } -bool -ThreadPlanBase::DoWillResume (lldb::StateType resume_state, bool current_plan) -{ - // Reset these to the default values so we don't set them wrong, then not get asked - // for a while, then return the wrong answer. - m_run_vote = eVoteNoOpinion; - m_stop_vote = eVoteNo; - return true; -} +bool ThreadPlanBase::WillStop() { return true; } +bool ThreadPlanBase::DoWillResume(lldb::StateType resume_state, + bool current_plan) { + // Reset these to the default values so we don't set them wrong, then not get + // asked + // for a while, then return the wrong answer. + m_run_vote = eVoteNoOpinion; + m_stop_vote = eVoteNo; + return true; +} // The base plan is never done. -bool -ThreadPlanBase::MischiefManaged () -{ - // The base plan is never done. - return false; +bool ThreadPlanBase::MischiefManaged() { + // The base plan is never done. + return false; } - |