forked from OSchip/llvm-project
1230 lines
39 KiB
C++
1230 lines
39 KiB
C++
//===-- SBThread.cpp --------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/lldb-python.h"
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#include "lldb/API/SBThread.h"
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#include "lldb/API/SBSymbolContext.h"
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#include "lldb/API/SBFileSpec.h"
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#include "lldb/API/SBStream.h"
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#include "lldb/Breakpoint/BreakpointLocation.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/Core/State.h"
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#include "lldb/Core/Stream.h"
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#include "lldb/Core/StreamFile.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Target/Thread.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Symbol/SymbolContext.h"
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#include "lldb/Symbol/CompileUnit.h"
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#include "lldb/Target/StopInfo.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Target/ThreadPlan.h"
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#include "lldb/Target/ThreadPlanStepInstruction.h"
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#include "lldb/Target/ThreadPlanStepOut.h"
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#include "lldb/Target/ThreadPlanStepRange.h"
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#include "lldb/Target/ThreadPlanStepInRange.h"
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#include "lldb/API/SBAddress.h"
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#include "lldb/API/SBDebugger.h"
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#include "lldb/API/SBEvent.h"
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#include "lldb/API/SBFrame.h"
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#include "lldb/API/SBProcess.h"
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#include "lldb/API/SBValue.h"
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using namespace lldb;
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using namespace lldb_private;
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const char *
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SBThread::GetBroadcasterClassName ()
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{
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return Thread::GetStaticBroadcasterClass().AsCString();
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}
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//----------------------------------------------------------------------
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// Constructors
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//----------------------------------------------------------------------
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SBThread::SBThread () :
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m_opaque_sp (new ExecutionContextRef())
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{
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}
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SBThread::SBThread (const ThreadSP& lldb_object_sp) :
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m_opaque_sp (new ExecutionContextRef(lldb_object_sp))
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{
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}
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SBThread::SBThread (const SBThread &rhs) :
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m_opaque_sp (new ExecutionContextRef(*rhs.m_opaque_sp))
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{
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}
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//----------------------------------------------------------------------
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// Assignment operator
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//----------------------------------------------------------------------
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const lldb::SBThread &
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SBThread::operator = (const SBThread &rhs)
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{
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if (this != &rhs)
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*m_opaque_sp = *rhs.m_opaque_sp;
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return *this;
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}
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//----------------------------------------------------------------------
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// Destructor
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//----------------------------------------------------------------------
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SBThread::~SBThread()
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{
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}
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bool
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SBThread::IsValid() const
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{
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return m_opaque_sp->GetThreadSP().get() != NULL;
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}
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void
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SBThread::Clear ()
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{
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m_opaque_sp->Clear();
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}
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StopReason
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SBThread::GetStopReason()
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{
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
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StopReason reason = eStopReasonInvalid;
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Mutex::Locker api_locker;
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ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
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if (exe_ctx.HasThreadScope())
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{
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Process::StopLocker stop_locker;
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if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
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{
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return exe_ctx.GetThreadPtr()->GetStopReason();
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}
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else
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{
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if (log)
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log->Printf ("SBThread(%p)::GetStopReason() => error: process is running", exe_ctx.GetThreadPtr());
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}
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}
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if (log)
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log->Printf ("SBThread(%p)::GetStopReason () => %s", exe_ctx.GetThreadPtr(),
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Thread::StopReasonAsCString (reason));
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return reason;
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}
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size_t
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SBThread::GetStopReasonDataCount ()
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{
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Mutex::Locker api_locker;
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ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
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if (exe_ctx.HasThreadScope())
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{
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Process::StopLocker stop_locker;
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if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
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{
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StopInfoSP stop_info_sp = exe_ctx.GetThreadPtr()->GetStopInfo ();
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if (stop_info_sp)
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{
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StopReason reason = stop_info_sp->GetStopReason();
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switch (reason)
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{
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case eStopReasonInvalid:
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case eStopReasonNone:
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case eStopReasonTrace:
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case eStopReasonExec:
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case eStopReasonPlanComplete:
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case eStopReasonThreadExiting:
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// There is no data for these stop reasons.
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return 0;
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case eStopReasonBreakpoint:
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{
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break_id_t site_id = stop_info_sp->GetValue();
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lldb::BreakpointSiteSP bp_site_sp (exe_ctx.GetProcessPtr()->GetBreakpointSiteList().FindByID (site_id));
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if (bp_site_sp)
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return bp_site_sp->GetNumberOfOwners () * 2;
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else
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return 0; // Breakpoint must have cleared itself...
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}
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break;
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case eStopReasonWatchpoint:
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return 1;
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case eStopReasonSignal:
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return 1;
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case eStopReasonException:
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return 1;
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}
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}
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}
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else
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{
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
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if (log)
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log->Printf ("SBThread(%p)::GetStopReasonDataCount() => error: process is running", exe_ctx.GetThreadPtr());
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}
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}
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return 0;
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}
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uint64_t
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SBThread::GetStopReasonDataAtIndex (uint32_t idx)
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{
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Mutex::Locker api_locker;
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ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
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if (exe_ctx.HasThreadScope())
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{
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Process::StopLocker stop_locker;
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if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
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{
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Thread *thread = exe_ctx.GetThreadPtr();
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StopInfoSP stop_info_sp = thread->GetStopInfo ();
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if (stop_info_sp)
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{
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StopReason reason = stop_info_sp->GetStopReason();
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switch (reason)
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{
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case eStopReasonInvalid:
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case eStopReasonNone:
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case eStopReasonTrace:
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case eStopReasonExec:
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case eStopReasonPlanComplete:
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case eStopReasonThreadExiting:
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// There is no data for these stop reasons.
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return 0;
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case eStopReasonBreakpoint:
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{
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break_id_t site_id = stop_info_sp->GetValue();
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lldb::BreakpointSiteSP bp_site_sp (exe_ctx.GetProcessPtr()->GetBreakpointSiteList().FindByID (site_id));
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if (bp_site_sp)
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{
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uint32_t bp_index = idx / 2;
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BreakpointLocationSP bp_loc_sp (bp_site_sp->GetOwnerAtIndex (bp_index));
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if (bp_loc_sp)
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{
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if (bp_index & 1)
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{
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// Odd idx, return the breakpoint location ID
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return bp_loc_sp->GetID();
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}
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else
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{
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// Even idx, return the breakpoint ID
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return bp_loc_sp->GetBreakpoint().GetID();
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}
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}
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}
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return LLDB_INVALID_BREAK_ID;
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}
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break;
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case eStopReasonWatchpoint:
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return stop_info_sp->GetValue();
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case eStopReasonSignal:
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return stop_info_sp->GetValue();
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case eStopReasonException:
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return stop_info_sp->GetValue();
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}
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}
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}
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else
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{
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
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if (log)
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log->Printf ("SBThread(%p)::GetStopReasonDataAtIndex() => error: process is running", exe_ctx.GetThreadPtr());
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}
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}
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return 0;
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}
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size_t
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SBThread::GetStopDescription (char *dst, size_t dst_len)
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{
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
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Mutex::Locker api_locker;
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ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
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if (exe_ctx.HasThreadScope())
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{
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Process::StopLocker stop_locker;
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if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
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{
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StopInfoSP stop_info_sp = exe_ctx.GetThreadPtr()->GetStopInfo ();
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if (stop_info_sp)
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{
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const char *stop_desc = stop_info_sp->GetDescription();
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if (stop_desc)
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{
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if (log)
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log->Printf ("SBThread(%p)::GetStopDescription (dst, dst_len) => \"%s\"",
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exe_ctx.GetThreadPtr(), stop_desc);
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if (dst)
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return ::snprintf (dst, dst_len, "%s", stop_desc);
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else
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{
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// NULL dst passed in, return the length needed to contain the description
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return ::strlen (stop_desc) + 1; // Include the NULL byte for size
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}
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}
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else
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{
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size_t stop_desc_len = 0;
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switch (stop_info_sp->GetStopReason())
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{
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case eStopReasonTrace:
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case eStopReasonPlanComplete:
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{
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static char trace_desc[] = "step";
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stop_desc = trace_desc;
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stop_desc_len = sizeof(trace_desc); // Include the NULL byte for size
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}
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break;
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case eStopReasonBreakpoint:
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{
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static char bp_desc[] = "breakpoint hit";
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stop_desc = bp_desc;
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stop_desc_len = sizeof(bp_desc); // Include the NULL byte for size
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}
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break;
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case eStopReasonWatchpoint:
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{
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static char wp_desc[] = "watchpoint hit";
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stop_desc = wp_desc;
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stop_desc_len = sizeof(wp_desc); // Include the NULL byte for size
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}
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break;
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case eStopReasonSignal:
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{
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stop_desc = exe_ctx.GetProcessPtr()->GetUnixSignals ().GetSignalAsCString (stop_info_sp->GetValue());
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if (stop_desc == NULL || stop_desc[0] == '\0')
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{
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static char signal_desc[] = "signal";
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stop_desc = signal_desc;
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stop_desc_len = sizeof(signal_desc); // Include the NULL byte for size
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}
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}
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break;
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case eStopReasonException:
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{
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char exc_desc[] = "exception";
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stop_desc = exc_desc;
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stop_desc_len = sizeof(exc_desc); // Include the NULL byte for size
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}
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break;
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case eStopReasonExec:
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{
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char exc_desc[] = "exec";
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stop_desc = exc_desc;
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stop_desc_len = sizeof(exc_desc); // Include the NULL byte for size
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}
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break;
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case eStopReasonThreadExiting:
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{
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char limbo_desc[] = "thread exiting";
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stop_desc = limbo_desc;
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stop_desc_len = sizeof(limbo_desc);
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}
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break;
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default:
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break;
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}
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if (stop_desc && stop_desc[0])
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{
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if (log)
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log->Printf ("SBThread(%p)::GetStopDescription (dst, dst_len) => '%s'",
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exe_ctx.GetThreadPtr(), stop_desc);
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if (dst)
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return ::snprintf (dst, dst_len, "%s", stop_desc) + 1; // Include the NULL byte
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if (stop_desc_len == 0)
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stop_desc_len = ::strlen (stop_desc) + 1; // Include the NULL byte
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return stop_desc_len;
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}
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}
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}
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}
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else
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{
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
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if (log)
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log->Printf ("SBThread(%p)::GetStopDescription() => error: process is running", exe_ctx.GetThreadPtr());
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}
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}
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if (dst)
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*dst = 0;
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return 0;
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}
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SBValue
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SBThread::GetStopReturnValue ()
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{
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
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ValueObjectSP return_valobj_sp;
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Mutex::Locker api_locker;
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ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
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if (exe_ctx.HasThreadScope())
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{
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Process::StopLocker stop_locker;
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if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
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{
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StopInfoSP stop_info_sp = exe_ctx.GetThreadPtr()->GetStopInfo ();
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if (stop_info_sp)
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{
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return_valobj_sp = StopInfo::GetReturnValueObject (stop_info_sp);
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}
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}
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else
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{
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if (log)
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log->Printf ("SBThread(%p)::GetStopReturnValue() => error: process is running", exe_ctx.GetThreadPtr());
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}
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}
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if (log)
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log->Printf ("SBThread(%p)::GetStopReturnValue () => %s", exe_ctx.GetThreadPtr(),
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return_valobj_sp.get()
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? return_valobj_sp->GetValueAsCString()
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: "<no return value>");
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return SBValue (return_valobj_sp);
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}
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void
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SBThread::SetThread (const ThreadSP& lldb_object_sp)
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{
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m_opaque_sp->SetThreadSP (lldb_object_sp);
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}
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lldb::tid_t
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SBThread::GetThreadID () const
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{
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ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
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if (thread_sp)
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return thread_sp->GetID();
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return LLDB_INVALID_THREAD_ID;
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}
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uint32_t
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SBThread::GetIndexID () const
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{
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ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
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if (thread_sp)
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return thread_sp->GetIndexID();
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return LLDB_INVALID_INDEX32;
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}
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const char *
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SBThread::GetName () const
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{
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
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const char *name = NULL;
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Mutex::Locker api_locker;
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ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
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if (exe_ctx.HasThreadScope())
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{
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Process::StopLocker stop_locker;
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if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
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{
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name = exe_ctx.GetThreadPtr()->GetName();
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}
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else
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{
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if (log)
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log->Printf ("SBThread(%p)::GetName() => error: process is running", exe_ctx.GetThreadPtr());
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}
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}
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if (log)
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log->Printf ("SBThread(%p)::GetName () => %s", exe_ctx.GetThreadPtr(), name ? name : "NULL");
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return name;
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}
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const char *
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SBThread::GetQueueName () const
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{
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const char *name = NULL;
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Mutex::Locker api_locker;
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ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
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Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
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if (exe_ctx.HasThreadScope())
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{
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Process::StopLocker stop_locker;
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if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
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{
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name = exe_ctx.GetThreadPtr()->GetQueueName();
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}
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else
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{
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if (log)
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log->Printf ("SBThread(%p)::GetQueueName() => error: process is running", exe_ctx.GetThreadPtr());
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}
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}
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if (log)
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log->Printf ("SBThread(%p)::GetQueueName () => %s", exe_ctx.GetThreadPtr(), name ? name : "NULL");
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return name;
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}
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SBError
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SBThread::ResumeNewPlan (ExecutionContext &exe_ctx, ThreadPlan *new_plan)
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{
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SBError sb_error;
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Process *process = exe_ctx.GetProcessPtr();
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if (!process)
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{
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sb_error.SetErrorString("No process in SBThread::ResumeNewPlan");
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return sb_error;
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}
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Thread *thread = exe_ctx.GetThreadPtr();
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if (!thread)
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{
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sb_error.SetErrorString("No thread in SBThread::ResumeNewPlan");
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return sb_error;
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}
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// User level plans should be Master Plans so they can be interrupted, other plans executed, and
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// then a "continue" will resume the plan.
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if (new_plan != NULL)
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{
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new_plan->SetIsMasterPlan(true);
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new_plan->SetOkayToDiscard(false);
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}
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// Why do we need to set the current thread by ID here???
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process->GetThreadList().SetSelectedThreadByID (thread->GetID());
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sb_error.ref() = process->Resume();
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if (sb_error.Success())
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{
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// If we are doing synchronous mode, then wait for the
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// process to stop yet again!
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if (process->GetTarget().GetDebugger().GetAsyncExecution () == false)
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process->WaitForProcessToStop (NULL);
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|
}
|
|
|
|
return sb_error;
|
|
}
|
|
|
|
void
|
|
SBThread::StepOver (lldb::RunMode stop_other_threads)
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::StepOver (stop_other_threads='%s')", exe_ctx.GetThreadPtr(),
|
|
Thread::RunModeAsCString (stop_other_threads));
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
Thread *thread = exe_ctx.GetThreadPtr();
|
|
bool abort_other_plans = false;
|
|
StackFrameSP frame_sp(thread->GetStackFrameAtIndex (0));
|
|
ThreadPlan *new_plan = NULL;
|
|
|
|
if (frame_sp)
|
|
{
|
|
if (frame_sp->HasDebugInformation ())
|
|
{
|
|
SymbolContext sc(frame_sp->GetSymbolContext(eSymbolContextEverything));
|
|
new_plan = thread->QueueThreadPlanForStepOverRange (abort_other_plans,
|
|
sc.line_entry.range,
|
|
sc,
|
|
stop_other_threads);
|
|
}
|
|
else
|
|
{
|
|
new_plan = thread->QueueThreadPlanForStepSingleInstruction (true,
|
|
abort_other_plans,
|
|
stop_other_threads);
|
|
}
|
|
}
|
|
|
|
// This returns an error, we should use it!
|
|
ResumeNewPlan (exe_ctx, new_plan);
|
|
}
|
|
}
|
|
|
|
void
|
|
SBThread::StepInto (lldb::RunMode stop_other_threads)
|
|
{
|
|
StepInto (NULL, stop_other_threads);
|
|
}
|
|
|
|
void
|
|
SBThread::StepInto (const char *target_name, lldb::RunMode stop_other_threads)
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::StepInto (target_name='%s', stop_other_threads='%s')",
|
|
exe_ctx.GetThreadPtr(),
|
|
target_name? target_name: "<NULL>",
|
|
Thread::RunModeAsCString (stop_other_threads));
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
bool abort_other_plans = false;
|
|
|
|
Thread *thread = exe_ctx.GetThreadPtr();
|
|
StackFrameSP frame_sp(thread->GetStackFrameAtIndex (0));
|
|
ThreadPlan *new_plan = NULL;
|
|
|
|
if (frame_sp && frame_sp->HasDebugInformation ())
|
|
{
|
|
bool avoid_code_without_debug_info = true;
|
|
SymbolContext sc(frame_sp->GetSymbolContext(eSymbolContextEverything));
|
|
new_plan = thread->QueueThreadPlanForStepInRange (abort_other_plans,
|
|
sc.line_entry.range,
|
|
sc,
|
|
target_name,
|
|
stop_other_threads,
|
|
avoid_code_without_debug_info);
|
|
}
|
|
else
|
|
{
|
|
new_plan = thread->QueueThreadPlanForStepSingleInstruction (false,
|
|
abort_other_plans,
|
|
stop_other_threads);
|
|
}
|
|
|
|
// This returns an error, we should use it!
|
|
ResumeNewPlan (exe_ctx, new_plan);
|
|
}
|
|
}
|
|
|
|
void
|
|
SBThread::StepOut ()
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::StepOut ()", exe_ctx.GetThreadPtr());
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
bool abort_other_plans = false;
|
|
bool stop_other_threads = false;
|
|
|
|
Thread *thread = exe_ctx.GetThreadPtr();
|
|
|
|
ThreadPlan *new_plan = thread->QueueThreadPlanForStepOut (abort_other_plans,
|
|
NULL,
|
|
false,
|
|
stop_other_threads,
|
|
eVoteYes,
|
|
eVoteNoOpinion,
|
|
0);
|
|
|
|
// This returns an error, we should use it!
|
|
ResumeNewPlan (exe_ctx, new_plan);
|
|
}
|
|
}
|
|
|
|
void
|
|
SBThread::StepOutOfFrame (lldb::SBFrame &sb_frame)
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
StackFrameSP frame_sp (sb_frame.GetFrameSP());
|
|
if (log)
|
|
{
|
|
SBStream frame_desc_strm;
|
|
sb_frame.GetDescription (frame_desc_strm);
|
|
log->Printf ("SBThread(%p)::StepOutOfFrame (frame = SBFrame(%p): %s)", exe_ctx.GetThreadPtr(), frame_sp.get(), frame_desc_strm.GetData());
|
|
}
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
bool abort_other_plans = false;
|
|
bool stop_other_threads = false;
|
|
Thread *thread = exe_ctx.GetThreadPtr();
|
|
|
|
ThreadPlan *new_plan = thread->QueueThreadPlanForStepOut (abort_other_plans,
|
|
NULL,
|
|
false,
|
|
stop_other_threads,
|
|
eVoteYes,
|
|
eVoteNoOpinion,
|
|
frame_sp->GetFrameIndex());
|
|
|
|
// This returns an error, we should use it!
|
|
ResumeNewPlan (exe_ctx, new_plan);
|
|
}
|
|
}
|
|
|
|
void
|
|
SBThread::StepInstruction (bool step_over)
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
|
|
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::StepInstruction (step_over=%i)", exe_ctx.GetThreadPtr(), step_over);
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
Thread *thread = exe_ctx.GetThreadPtr();
|
|
ThreadPlan *new_plan = thread->QueueThreadPlanForStepSingleInstruction (step_over, true, true);
|
|
|
|
// This returns an error, we should use it!
|
|
ResumeNewPlan (exe_ctx, new_plan);
|
|
}
|
|
}
|
|
|
|
void
|
|
SBThread::RunToAddress (lldb::addr_t addr)
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::RunToAddress (addr=0x%" PRIx64 ")", exe_ctx.GetThreadPtr(), addr);
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
bool abort_other_plans = false;
|
|
bool stop_other_threads = true;
|
|
|
|
Address target_addr (addr);
|
|
|
|
Thread *thread = exe_ctx.GetThreadPtr();
|
|
|
|
ThreadPlan *new_plan = thread->QueueThreadPlanForRunToAddress (abort_other_plans, target_addr, stop_other_threads);
|
|
|
|
// This returns an error, we should use it!
|
|
ResumeNewPlan (exe_ctx, new_plan);
|
|
}
|
|
}
|
|
|
|
SBError
|
|
SBThread::StepOverUntil (lldb::SBFrame &sb_frame,
|
|
lldb::SBFileSpec &sb_file_spec,
|
|
uint32_t line)
|
|
{
|
|
SBError sb_error;
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
char path[PATH_MAX];
|
|
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
StackFrameSP frame_sp (sb_frame.GetFrameSP());
|
|
|
|
if (log)
|
|
{
|
|
SBStream frame_desc_strm;
|
|
sb_frame.GetDescription (frame_desc_strm);
|
|
sb_file_spec->GetPath (path, sizeof(path));
|
|
log->Printf ("SBThread(%p)::StepOverUntil (frame = SBFrame(%p): %s, file+line = %s:%u)",
|
|
exe_ctx.GetThreadPtr(),
|
|
frame_sp.get(),
|
|
frame_desc_strm.GetData(),
|
|
path, line);
|
|
}
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
Target *target = exe_ctx.GetTargetPtr();
|
|
Thread *thread = exe_ctx.GetThreadPtr();
|
|
|
|
if (line == 0)
|
|
{
|
|
sb_error.SetErrorString("invalid line argument");
|
|
return sb_error;
|
|
}
|
|
|
|
if (!frame_sp)
|
|
{
|
|
frame_sp = thread->GetSelectedFrame ();
|
|
if (!frame_sp)
|
|
frame_sp = thread->GetStackFrameAtIndex (0);
|
|
}
|
|
|
|
SymbolContext frame_sc;
|
|
if (!frame_sp)
|
|
{
|
|
sb_error.SetErrorString("no valid frames in thread to step");
|
|
return sb_error;
|
|
}
|
|
|
|
// If we have a frame, get its line
|
|
frame_sc = frame_sp->GetSymbolContext (eSymbolContextCompUnit |
|
|
eSymbolContextFunction |
|
|
eSymbolContextLineEntry |
|
|
eSymbolContextSymbol );
|
|
|
|
if (frame_sc.comp_unit == NULL)
|
|
{
|
|
sb_error.SetErrorStringWithFormat("frame %u doesn't have debug information", frame_sp->GetFrameIndex());
|
|
return sb_error;
|
|
}
|
|
|
|
FileSpec step_file_spec;
|
|
if (sb_file_spec.IsValid())
|
|
{
|
|
// The file spec passed in was valid, so use it
|
|
step_file_spec = sb_file_spec.ref();
|
|
}
|
|
else
|
|
{
|
|
if (frame_sc.line_entry.IsValid())
|
|
step_file_spec = frame_sc.line_entry.file;
|
|
else
|
|
{
|
|
sb_error.SetErrorString("invalid file argument or no file for frame");
|
|
return sb_error;
|
|
}
|
|
}
|
|
|
|
// Grab the current function, then we will make sure the "until" address is
|
|
// within the function. We discard addresses that are out of the current
|
|
// function, and then if there are no addresses remaining, give an appropriate
|
|
// error message.
|
|
|
|
bool all_in_function = true;
|
|
AddressRange fun_range = frame_sc.function->GetAddressRange();
|
|
|
|
std::vector<addr_t> step_over_until_addrs;
|
|
const bool abort_other_plans = false;
|
|
const bool stop_other_threads = false;
|
|
const bool check_inlines = true;
|
|
const bool exact = false;
|
|
|
|
SymbolContextList sc_list;
|
|
const uint32_t num_matches = frame_sc.comp_unit->ResolveSymbolContext (step_file_spec,
|
|
line,
|
|
check_inlines,
|
|
exact,
|
|
eSymbolContextLineEntry,
|
|
sc_list);
|
|
if (num_matches > 0)
|
|
{
|
|
SymbolContext sc;
|
|
for (uint32_t i=0; i<num_matches; ++i)
|
|
{
|
|
if (sc_list.GetContextAtIndex(i, sc))
|
|
{
|
|
addr_t step_addr = sc.line_entry.range.GetBaseAddress().GetLoadAddress(target);
|
|
if (step_addr != LLDB_INVALID_ADDRESS)
|
|
{
|
|
if (fun_range.ContainsLoadAddress(step_addr, target))
|
|
step_over_until_addrs.push_back(step_addr);
|
|
else
|
|
all_in_function = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (step_over_until_addrs.empty())
|
|
{
|
|
if (all_in_function)
|
|
{
|
|
step_file_spec.GetPath (path, sizeof(path));
|
|
sb_error.SetErrorStringWithFormat("No line entries for %s:%u", path, line);
|
|
}
|
|
else
|
|
sb_error.SetErrorString ("step until target not in current function");
|
|
}
|
|
else
|
|
{
|
|
ThreadPlan *new_plan = thread->QueueThreadPlanForStepUntil (abort_other_plans,
|
|
&step_over_until_addrs[0],
|
|
step_over_until_addrs.size(),
|
|
stop_other_threads,
|
|
frame_sp->GetFrameIndex());
|
|
|
|
sb_error = ResumeNewPlan (exe_ctx, new_plan);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sb_error.SetErrorString("this SBThread object is invalid");
|
|
}
|
|
return sb_error;
|
|
}
|
|
|
|
SBError
|
|
SBThread::ReturnFromFrame (SBFrame &frame, SBValue &return_value)
|
|
{
|
|
SBError sb_error;
|
|
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::ReturnFromFrame (frame=%d)", exe_ctx.GetThreadPtr(), frame.GetFrameID());
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
Thread *thread = exe_ctx.GetThreadPtr();
|
|
sb_error.SetError (thread->ReturnFromFrame(frame.GetFrameSP(), return_value.GetSP()));
|
|
}
|
|
|
|
return sb_error;
|
|
}
|
|
|
|
|
|
bool
|
|
SBThread::Suspend()
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
ExecutionContext exe_ctx (m_opaque_sp.get());
|
|
bool result = false;
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
Process::StopLocker stop_locker;
|
|
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
|
|
{
|
|
exe_ctx.GetThreadPtr()->SetResumeState (eStateSuspended);
|
|
result = true;
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::Suspend() => error: process is running", exe_ctx.GetThreadPtr());
|
|
}
|
|
}
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::Suspend() => %i", exe_ctx.GetThreadPtr(), result);
|
|
return result;
|
|
}
|
|
|
|
bool
|
|
SBThread::Resume ()
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
ExecutionContext exe_ctx (m_opaque_sp.get());
|
|
bool result = false;
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
Process::StopLocker stop_locker;
|
|
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
|
|
{
|
|
exe_ctx.GetThreadPtr()->SetResumeState (eStateRunning);
|
|
result = true;
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::Resume() => error: process is running", exe_ctx.GetThreadPtr());
|
|
}
|
|
}
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::Resume() => %i", exe_ctx.GetThreadPtr(), result);
|
|
return result;
|
|
}
|
|
|
|
bool
|
|
SBThread::IsSuspended()
|
|
{
|
|
ExecutionContext exe_ctx (m_opaque_sp.get());
|
|
if (exe_ctx.HasThreadScope())
|
|
return exe_ctx.GetThreadPtr()->GetResumeState () == eStateSuspended;
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
SBThread::IsStopped()
|
|
{
|
|
ExecutionContext exe_ctx (m_opaque_sp.get());
|
|
if (exe_ctx.HasThreadScope())
|
|
return StateIsStoppedState(exe_ctx.GetThreadPtr()->GetState(), true);
|
|
return false;
|
|
}
|
|
|
|
SBProcess
|
|
SBThread::GetProcess ()
|
|
{
|
|
SBProcess sb_process;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get());
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
// Have to go up to the target so we can get a shared pointer to our process...
|
|
sb_process.SetSP (exe_ctx.GetProcessSP());
|
|
}
|
|
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
if (log)
|
|
{
|
|
SBStream frame_desc_strm;
|
|
sb_process.GetDescription (frame_desc_strm);
|
|
log->Printf ("SBThread(%p)::GetProcess () => SBProcess(%p): %s", exe_ctx.GetThreadPtr(),
|
|
sb_process.GetSP().get(), frame_desc_strm.GetData());
|
|
}
|
|
|
|
return sb_process;
|
|
}
|
|
|
|
uint32_t
|
|
SBThread::GetNumFrames ()
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
uint32_t num_frames = 0;
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
Process::StopLocker stop_locker;
|
|
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
|
|
{
|
|
num_frames = exe_ctx.GetThreadPtr()->GetStackFrameCount();
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::GetNumFrames() => error: process is running", exe_ctx.GetThreadPtr());
|
|
}
|
|
}
|
|
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::GetNumFrames () => %u", exe_ctx.GetThreadPtr(), num_frames);
|
|
|
|
return num_frames;
|
|
}
|
|
|
|
SBFrame
|
|
SBThread::GetFrameAtIndex (uint32_t idx)
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
SBFrame sb_frame;
|
|
StackFrameSP frame_sp;
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
Process::StopLocker stop_locker;
|
|
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
|
|
{
|
|
frame_sp = exe_ctx.GetThreadPtr()->GetStackFrameAtIndex (idx);
|
|
sb_frame.SetFrameSP (frame_sp);
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::GetFrameAtIndex() => error: process is running", exe_ctx.GetThreadPtr());
|
|
}
|
|
}
|
|
|
|
if (log)
|
|
{
|
|
SBStream frame_desc_strm;
|
|
sb_frame.GetDescription (frame_desc_strm);
|
|
log->Printf ("SBThread(%p)::GetFrameAtIndex (idx=%d) => SBFrame(%p): %s",
|
|
exe_ctx.GetThreadPtr(), idx, frame_sp.get(), frame_desc_strm.GetData());
|
|
}
|
|
|
|
return sb_frame;
|
|
}
|
|
|
|
lldb::SBFrame
|
|
SBThread::GetSelectedFrame ()
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
SBFrame sb_frame;
|
|
StackFrameSP frame_sp;
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
Process::StopLocker stop_locker;
|
|
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
|
|
{
|
|
frame_sp = exe_ctx.GetThreadPtr()->GetSelectedFrame ();
|
|
sb_frame.SetFrameSP (frame_sp);
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::GetSelectedFrame() => error: process is running", exe_ctx.GetThreadPtr());
|
|
}
|
|
}
|
|
|
|
if (log)
|
|
{
|
|
SBStream frame_desc_strm;
|
|
sb_frame.GetDescription (frame_desc_strm);
|
|
log->Printf ("SBThread(%p)::GetSelectedFrame () => SBFrame(%p): %s",
|
|
exe_ctx.GetThreadPtr(), frame_sp.get(), frame_desc_strm.GetData());
|
|
}
|
|
|
|
return sb_frame;
|
|
}
|
|
|
|
lldb::SBFrame
|
|
SBThread::SetSelectedFrame (uint32_t idx)
|
|
{
|
|
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
|
|
|
|
SBFrame sb_frame;
|
|
StackFrameSP frame_sp;
|
|
Mutex::Locker api_locker;
|
|
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
|
|
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
Process::StopLocker stop_locker;
|
|
if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
|
|
{
|
|
Thread *thread = exe_ctx.GetThreadPtr();
|
|
frame_sp = thread->GetStackFrameAtIndex (idx);
|
|
if (frame_sp)
|
|
{
|
|
thread->SetSelectedFrame (frame_sp.get());
|
|
sb_frame.SetFrameSP (frame_sp);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (log)
|
|
log->Printf ("SBThread(%p)::SetSelectedFrame() => error: process is running", exe_ctx.GetThreadPtr());
|
|
}
|
|
}
|
|
|
|
if (log)
|
|
{
|
|
SBStream frame_desc_strm;
|
|
sb_frame.GetDescription (frame_desc_strm);
|
|
log->Printf ("SBThread(%p)::SetSelectedFrame (idx=%u) => SBFrame(%p): %s",
|
|
exe_ctx.GetThreadPtr(), idx, frame_sp.get(), frame_desc_strm.GetData());
|
|
}
|
|
return sb_frame;
|
|
}
|
|
|
|
bool
|
|
SBThread::EventIsThreadEvent (const SBEvent &event)
|
|
{
|
|
return Thread::ThreadEventData::GetEventDataFromEvent(event.get()) != NULL;
|
|
}
|
|
|
|
SBFrame
|
|
SBThread::GetStackFrameFromEvent (const SBEvent &event)
|
|
{
|
|
return Thread::ThreadEventData::GetStackFrameFromEvent (event.get());
|
|
|
|
}
|
|
|
|
SBThread
|
|
SBThread::GetThreadFromEvent (const SBEvent &event)
|
|
{
|
|
return Thread::ThreadEventData::GetThreadFromEvent (event.get());
|
|
}
|
|
|
|
bool
|
|
SBThread::operator == (const SBThread &rhs) const
|
|
{
|
|
return m_opaque_sp->GetThreadSP().get() == rhs.m_opaque_sp->GetThreadSP().get();
|
|
}
|
|
|
|
bool
|
|
SBThread::operator != (const SBThread &rhs) const
|
|
{
|
|
return m_opaque_sp->GetThreadSP().get() != rhs.m_opaque_sp->GetThreadSP().get();
|
|
}
|
|
|
|
bool
|
|
SBThread::GetStatus (SBStream &status) const
|
|
{
|
|
Stream &strm = status.ref();
|
|
|
|
ExecutionContext exe_ctx (m_opaque_sp.get());
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
exe_ctx.GetThreadPtr()->GetStatus(strm, 0, 1, 1);
|
|
}
|
|
else
|
|
strm.PutCString ("No status");
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
SBThread::GetDescription (SBStream &description) const
|
|
{
|
|
Stream &strm = description.ref();
|
|
|
|
ExecutionContext exe_ctx (m_opaque_sp.get());
|
|
if (exe_ctx.HasThreadScope())
|
|
{
|
|
strm.Printf("SBThread: tid = 0x%4.4" PRIx64, exe_ctx.GetThreadPtr()->GetID());
|
|
}
|
|
else
|
|
strm.PutCString ("No value");
|
|
|
|
return true;
|
|
}
|