internal AD7BoundBreakpoint AddBoundBreakpoint(BoundBreakpoint bp)
{
lock (_boundBreakpoints)
{
if (!IsDataBreakpoint && _boundBreakpoints.Find((b) => b.Addr == bp.Addr) != null)
{
return(null); // already bound to this breakpoint
}
AD7BreakpointResolution breakpointResolution = new AD7BreakpointResolution(_engine, IsDataBreakpoint, bp.Addr, bp.FunctionName, bp.DocumentContext(_engine));
AD7BoundBreakpoint boundBreakpoint = new AD7BoundBreakpoint(_engine, this, breakpointResolution, bp);
//check can bind one last time. If the pending breakpoint was deleted before now, we need to clean up gdb side
if (CanBind())
{
foreach (var boundBp in _boundBreakpoints.Where((b) => b.Number.Equals(boundBreakpoint.Number, StringComparison.Ordinal)).ToList())
{
_engine.Callback.OnBreakpointUnbound(boundBp, enum_BP_UNBOUND_REASON.BPUR_BREAKPOINT_REBIND);
_boundBreakpoints.Remove(boundBp);
}
_boundBreakpoints.Add(boundBreakpoint);
PendingBreakpoint.AddedBoundBreakpoint();
_engine.Callback.OnBreakpointBound(boundBreakpoint);
}
else
{
boundBreakpoint.Delete();
}
return(boundBreakpoint);
}
}
internal AD7BoundBreakpoint AddBoundBreakpoint(BoundBreakpoint bp)
{
lock (_boundBreakpoints)
{
if (_boundBreakpoints.Find((b) => b.Addr == bp.Addr) != null)
{
return(null); // already bound to this breakpoint
}
AD7BreakpointResolution breakpointResolution = new AD7BreakpointResolution(_engine, bp.Addr, bp.FunctionName, bp.DocumentContext(_engine));
AD7BoundBreakpoint boundBreakpoint = new AD7BoundBreakpoint(_engine, bp.Addr, this, breakpointResolution, bp);
//check can bind one last time. If the pending breakpoint was deleted before now, we need to clean up gdb side
if (CanBind())
{
_boundBreakpoints.Add(boundBreakpoint);
PendingBreakpoint.AddedBoundBreakpoint();
_engine.Callback.OnBreakpointBound(boundBreakpoint);
}
else
{
boundBreakpoint.Delete();
}
return(boundBreakpoint);
}
}
// Engines notify the debugger that a breakpoint has bound through the breakpoint bound event.
public void OnBreakpointBound(object objBoundBreakpoint)
{
AD7BoundBreakpoint boundBreakpoint = (AD7BoundBreakpoint)objBoundBreakpoint;
IDebugPendingBreakpoint2 pendingBreakpoint;
((IDebugBoundBreakpoint2)boundBreakpoint).GetPendingBreakpoint(out pendingBreakpoint);
AD7BreakpointBoundEvent eventObject = new AD7BreakpointBoundEvent((AD7PendingBreakpoint)pendingBreakpoint, boundBreakpoint);
Send(eventObject, AD7BreakpointBoundEvent.IID, null);
}
internal AD7BoundBreakpoint AddBoundBreakpoint(BoundBreakpoint bp)
{
lock (_boundBreakpoints)
{
if (!IsDataBreakpoint && _boundBreakpoints.Find((b) => b.Addr == bp.Addr) != null)
{
return null; // already bound to this breakpoint
}
AD7BreakpointResolution breakpointResolution = new AD7BreakpointResolution(_engine, IsDataBreakpoint, bp.Addr, bp.FunctionName, bp.DocumentContext(_engine));
AD7BoundBreakpoint boundBreakpoint = new AD7BoundBreakpoint(_engine, this, breakpointResolution, bp);
//check can bind one last time. If the pending breakpoint was deleted before now, we need to clean up gdb side
if (CanBind())
{
_boundBreakpoints.Add(boundBreakpoint);
PendingBreakpoint.AddedBoundBreakpoint();
_engine.Callback.OnBreakpointBound(boundBreakpoint);
}
else
{
boundBreakpoint.Delete();
}
return boundBreakpoint;
}
}
public AD7BreakpointBoundEvent(AD7PendingBreakpoint pendingBreakpoint, AD7BoundBreakpoint boundBreakpoint)
{
_pendingBreakpoint = pendingBreakpoint;
_boundBreakpoint = boundBreakpoint;
}
public AD7BreakpointUnboundEvent(AD7BoundBreakpoint bp, enum_BP_UNBOUND_REASON reason)
{
_reason = reason;
_bp = bp;
}
private AD7PendingBreakpoint BindToAddress(string bkptno, ulong addr, /*OPTIONAL*/ TupleValue frame, out AD7BoundBreakpoint bbp)
{
bbp = null;
AD7PendingBreakpoint pending = CodeBreakpoints.FirstOrDefault((p) => { return(p.BreakpointId == bkptno); });
if (pending == null)
{
return(null);
}
// the breakpoint number is known, check to see if it is known to be bound to this address
bbp = Array.Find(pending.EnumBoundBreakpoints(), (b) => b.Addr == addr);
if (bbp == null)
{
// add this address as a bound breakpoint
bbp = Array.Find(pending.EnumBoundBreakpoints(), (b) => b.Addr == 0);
if (bbp != null) // <MULTIPLE>
{
bbp.UpdateAddr(addr);
}
else
{
bbp = pending.AddBoundBreakpoint(new BoundBreakpoint(pending.PendingBreakpoint, addr, frame));
}
}
return(pending);
}
private AD7PendingBreakpoint BindToAddress(string bkptno, ulong addr, /*OPTIONAL*/ TupleValue frame, out AD7BoundBreakpoint bbp)
{
bbp = null;
AD7PendingBreakpoint pending = CodeBreakpoints.FirstOrDefault((p) => { return p.BreakpointId == bkptno; });
if (pending == null)
{
return null;
}
// the breakpoint number is known, check to see if it is known to be bound to this address
bbp = Array.Find(pending.EnumBoundBreakpoints(), (b) => b.Addr == addr);
if (bbp == null)
{
// add this address as a bound breakpoint
bbp = Array.Find(pending.EnumBoundBreakpoints(), (b) => b.Addr == 0);
if (bbp != null) // <MULTIPLE>
{
bbp.UpdateAddr(addr);
}
else
{
bbp = pending.AddBoundBreakpoint(new BoundBreakpoint(pending.PendingBreakpoint, addr, frame));
}
}
return pending;
}
public AD7BreakpointBoundEvent(AD7PendingBreakpoint pendingBreakpoint, AD7BoundBreakpoint boundBreakpoint)
{
_pendingBreakpoint = pendingBreakpoint;
_boundBreakpoint = boundBreakpoint;
}
public AD7BreakpointUnboundEvent(AD7BoundBreakpoint bp, enum_BP_UNBOUND_REASON reason)
{
_reason = reason;
_bp = bp;
}
// Engines notify the SDM that a bound breakpoint change resulted in an error
public void OnBreakpointUnbound(AD7BoundBreakpoint bp, enum_BP_UNBOUND_REASON reason)
{
AD7BreakpointUnboundEvent eventObject = new AD7BreakpointUnboundEvent(bp, reason);
Send(eventObject, AD7BreakpointUnboundEvent.IID, null);
}
private async Task HandleBreakModeEvent(ResultEventArgs results)
{
string reason = results.Results.TryFindString("reason");
int tid;
if (!results.Results.Contains("thread-id"))
{
Results res = await MICommandFactory.ThreadInfo();
tid = res.FindInt("id");
}
else
{
tid = results.Results.FindInt("thread-id");
}
ThreadCache.MarkDirty();
MICommandFactory.DefineCurrentThread(tid);
DebuggedThread thread = await ThreadCache.GetThread(tid);
await ThreadCache.StackFrames(thread); // prepopulate the break thread in the thread cache
ThreadContext cxt = await ThreadCache.GetThreadContext(thread);
ThreadCache.SendThreadEvents(this, null); // make sure that new threads have been pushed to the UI
//always delete breakpoints pending deletion on break mode
//the flag tells us if we hit an existing breakpoint pending deletion that we need to continue
await _breakpointManager.DeleteBreakpointsPendingDeletion();
//delete varialbes that have been GC'd
List <string> variablesToDelete = new List <string>();
lock (VariablesToDelete)
{
foreach (var variable in VariablesToDelete)
{
variablesToDelete.Add(variable);
}
VariablesToDelete.Clear();
}
foreach (var variable in variablesToDelete)
{
try
{
await MICommandFactory.VarDelete(variable);
}
catch (MIException)
{
//not much to do really, we're leaking MI debugger variables.
Debug.Fail("Failed to delete variable: " + variable + ". This is leaking memory in the MI Debugger.");
}
}
if (String.IsNullOrWhiteSpace(reason) && !_bEntrypointHit)
{
// CLRDBG TODO: Try to verify this code path
_bEntrypointHit = true;
CmdContinueAsync();
FireDeviceAppLauncherResume();
}
else if (reason == "breakpoint-hit")
{
string bkptno = results.Results.FindString("bkptno");
ulong addr = cxt.pc ?? 0;
AD7BoundBreakpoint bkpt = null;
bool fContinue;
TupleValue frame = results.Results.TryFind <TupleValue>("frame");
bkpt = _breakpointManager.FindHitBreakpoint(bkptno, addr, frame, out fContinue); // use breakpoint number to resolve breakpoint
if (bkpt != null)
{
List <object> bplist = new List <object>();
bplist.Add(bkpt);
_callback.OnBreakpoint(thread, bplist.AsReadOnly());
}
else if (!_bEntrypointHit)
{
_bEntrypointHit = true;
_callback.OnEntryPoint(thread);
}
else
{
if (fContinue)
{
//we hit a bp pending deletion
//post the CmdContinueAsync operation so it does not happen until we have deleted all the pending deletes
CmdContinueAsync();
}
else
{
// not one of our breakpoints, so stop with a message
_callback.OnException(thread, "Unknown breakpoint", "", 0);
}
}
}
else if (reason == "end-stepping-range" || reason == "function-finished")
{
_callback.OnStepComplete(thread);
}
else if (reason == "signal-received")
{
string name = results.Results.TryFindString("signal-name");
if ((name == "SIG32") || (name == "SIG33"))
{
// we are going to ignore these (Sigma) signals for now
CmdContinueAsync();
}
else if (MICommandFactory.IsAsyncBreakSignal(results.Results))
{
_callback.OnAsyncBreakComplete(thread);
}
else
{
uint code = 0;
string sigName = results.Results.TryFindString("signal-name");
code = results.Results.Contains("signal") ? results.Results.FindUint("signal") : 0;
if (String.IsNullOrEmpty(sigName) && code != 0 && EngineUtils.SignalMap.Instance.ContainsValue(code))
{
sigName = EngineUtils.SignalMap.Instance.First((p) => p.Value == code).Key;
}
else if (!String.IsNullOrEmpty(sigName) && code == 0 && EngineUtils.SignalMap.Instance.ContainsKey(sigName))
{
code = EngineUtils.SignalMap.Instance[sigName];
}
_callback.OnException(thread, sigName, results.Results.TryFindString("signal-meaning"), code);
}
}
else if (reason == "exception-received")
{
string exception = results.Results.FindString("exception");
_callback.OnException(thread, "Exception", exception, 0);
}
else
{
Debug.Fail("Unknown stopping reason");
_callback.OnException(thread, "Unknown", "Unknown stopping event", 0);
}
}
// Engines notify the SDM that a bound breakpoint change resulted in an error
public void OnBreakpointUnbound(AD7BoundBreakpoint bp, enum_BP_UNBOUND_REASON reason)
{
AD7BreakpointUnboundEvent eventObject = new AD7BreakpointUnboundEvent(bp, reason);
Send(eventObject, AD7BreakpointUnboundEvent.IID, null);
}
