internal void DispatchEvent(ManagedCallbackType callback, CorEventArgs e)
{
try
{
if (m_callbackAttachedEvent != null)
{
m_callbackAttachedEvent.WaitOne(); // waits till callbacks are enabled
}
var d = m_callbacksArray[callback];
d(this, e);
}
catch (Exception ex)
{
CorExceptionInCallbackEventArgs e2 = new CorExceptionInCallbackEventArgs(e.Controller, ex);
Debug.Assert(false, "Exception in callback: " + ex.ToString());
try
{
// we need to dispatch the exceptin in callback error, but we cannot
// use DispatchEvent since throwing exception in ExceptionInCallback
// would lead to infinite recursion.
Debug.Assert(m_callbackAttachedEvent == null);
var d = m_callbacksArray[ManagedCallbackType.OnExceptionInCallback];
d(this, e2);
}
catch (Exception ex2)
{
Debug.Assert(false, "Exception in Exception notification callback: " + ex2.ToString());
// ignore it -- there is nothing we can do.
}
e.Continue = e2.Continue;
}
}
/// <summary>
/// Expose direct dispatch logic so that other event dispatchers can
/// use CorProcess's event handlers.
/// </summary>
/// <param name="callback">callback type to dispatch</param>
/// <param name="e">event arguments used to dispatch</param>
public void DirectDispatchEvent(ManagedCallbackType callback, CorEventArgs e)
{
Debug.Assert(callback == e.CallbackType);
if (m_callbackAttachedEvent != null)
{
m_callbackAttachedEvent.Set();
}
DispatchEvent(callback, e);
}
internal void DispatchEvent(ManagedCallbackType callback, CorEventArgs e)
{
try
{
// CorProcess.Continue has an extra abstraction layer.
// - The fist call just sets m_callbackAttachedEvent
// - future calls go to ICorDebugProcess::Continue.
// This ensures that we don't dispatch any callbacks until
// after CorProcess.Continue() is called.
if (m_callbackAttachedEvent != null)
{
m_callbackAttachedEvent.WaitOne(); // waits till callbacks are enabled
}
Debug.Assert((int)callback >= 0 && (int)callback < m_callbacksArray.Length);
Delegate d = m_callbacksArray[(int)callback];
if (d != null)
{
d.DynamicInvoke(new Object[] { this, e });
}
}
catch (Exception ex)
{
CorExceptionInCallbackEventArgs e2 = new CorExceptionInCallbackEventArgs(e.Controller, ex);
Debug.Assert(false, "Exception in callback: " + ex.ToString());
try
{
// we need to dispatch the exception in callback error, but we cannot
// use DispatchEvent since throwing exception in ExceptionInCallback
// would lead to infinite recursion.
Debug.Assert(m_callbackAttachedEvent == null);
Delegate d = m_callbacksArray[(int)ManagedCallbackType.OnExceptionInCallback];
if (d != null)
{
d.DynamicInvoke(new Object[] { this, e2 });
}
}
catch (Exception ex2)
{
Debug.Assert(false, "Exception in Exception notification callback: " + ex2.ToString());
// ignore it -- there is nothing we can do.
}
e.Continue = e2.Continue;
}
}
// when process is first created wait till callbacks are enabled.
internal void DispatchEvent(ManagedCallbackType callback, CorEventArgs e)
{
try
{
if (m_callbackAttachedEvent != null)
{
m_callbackAttachedEvent.WaitOne(); // waits till callbacks are enabled
}
Debug.Assert((int)callback >= 0 && (int)callback < m_callbacksArray.Length);
Delegate d = m_callbacksArray[(int)callback];
if (d != null)
{
d.DynamicInvoke(new Object[] { this, e });
}
}
catch (Exception ex)
{
var e2 = new CorExceptionInCallbackEventArgs(e.Controller, ex);
OriginalMDbgMessages.WriteLine("Exception in callback: " + ex);
// DC Debug.Assert(false,"Exception in callback: "+ex.ToString());
try
{
// we need to dispatch the exceptin in callback error, but we cannot
// use DispatchEvent since throwing exception in ExceptionInCallback
// would lead to infinite recursion.
Debug.Assert(m_callbackAttachedEvent == null);
Delegate d = m_callbacksArray[(int)ManagedCallbackType.OnExceptionInCallback];
if (d != null)
{
d.DynamicInvoke(new Object[] { this, e2 });
}
}
catch (Exception ex2)
{
OriginalMDbgMessages.WriteLine("Exception in Exception notification callback: " + ex2);
// DC Debug.Assert(false,"Exception in Exception notification callback: "+ex2.ToString());
// ignore it -- there is nothing we can do.
}
e.Continue = e2.Continue;
}
}
/*private void CorProcess_OnStepComplete(object sender, CorStepCompleteEventArgs e)
* {
* // if (iCount++ % 100 == 0 && logOnBreakpoint)
* DI.log.info("[{0}] CorProcess_OnStepComplete {1}", iStepCount++, getActiveFrameFunctionName(e));
* e.Continue = handleDebugFlowAction();
* }
*
* private void CorProcess_OnBreakpointSetError(object sender, CorBreakpointEventArgs e)
* {
* if (logOnBreakpoint)
* DI.log.info("CorProcess_OnBreakpointSetError {0}", getActiveFrameFunctionName(e));
* e.Continue = true;
* }
*
* private void CorProcess_OnBreakpoint(object sender, CorBreakpointEventArgs e)
* {
* DI.log.info("in CorProcess_OnBreakpoint");
* /*( if (handleBreakpoints)
* {
* if (logOnBreakpoint)
* log.info("Breakpoint on {0}", getActiveFrameFunctionName(e));
* e.Continue = handleDebugFlowAction();
* }* /
* e.Continue = true;
* }
*
* private bool handleDebugFlowAction()
* {
* switch (onBreakPointAction)
* {
* case OnBreakPointAction.StepOut:
* o2MDbgOLD.mdbgProcess.StepOut();
* break;
* case OnBreakPointAction.StepInto:
* o2MDbgOLD.mdbgProcess.StepInto(false);
* break;
* case OnBreakPointAction.StepOver:
* o2MDbgOLD.mdbgProcess.StepOver(false);
* break;
*
* case OnBreakPointAction.Stop:
* return false;
* case OnBreakPointAction.Continue:
* return true;
* }
* return true;
* }
*/
public static string getActiveFrameFunctionName(CorEventArgs e)
{
try
{
if (e.Thread.ActiveFrame == null)
{
return("e.Thread.ActiveFrame == null");
}
//var corFunctionBreakpoint = (CorFunctionBreakpoint)e.Breakpoint;
var corMetadataImport = new CorMetadataImport(e.Thread.ActiveFrame.Function.Class.Module);
MethodInfo methodInfo = corMetadataImport.GetMethodInfo(e.Thread.ActiveFrame.Function.Token);
return((methodInfo.DeclaringType.FullName ?? "(null)") + " :: " + (methodInfo.Name ?? "(null)"));
}
catch (Exception ex)
{
DI.log.ex(ex, "getActiveFrameFunctionName");
return("");
}
}
/// <summary>
/// Acts on the current callback, based on the current debugger behavior for this stop
/// option policy.
/// </summary>
/// <param name="currentProcess">Current MDbgProcess.</param>
/// <param name="args">Callback arguments.</param>
public override void ActOnCallback(MDbgProcess currentProcess, CustomPostCallbackEventArgs args)
{
CorEventArgs eventArgs = args.CallbackArgs as CorEventArgs;
switch (m_behavior)
{
case DebuggerBehavior.Stop:
args.Controller.Stop(eventArgs.Thread, MDbgUtil.CreateStopReasonFromEventArgs(eventArgs, currentProcess));
break;
case DebuggerBehavior.Log:
CommandBase.WriteOutput(eventArgs.ToString() + "\n");
break;
case DebuggerBehavior.Notify:
CommandBase.WriteOutput(eventArgs.ToString() + "\n");
MDbgThread currentThread = currentProcess.Threads.GetThreadFromThreadId((args.CallbackArgs as CorThreadEventArgs).Thread.Id);
try
{
// Getting the current notification may not be implemented.
MDbgValue notification = currentThread.CurrentNotification;
if (notification != null)
{
CommandBase.WriteOutput(notification.GetStringValue(true, "-", null));
}
else
{
CommandBase.WriteOutput("custom notification is null\n");
}
}
catch (NotImplementedException)
{
Trace.WriteLine("Custom Notifications Not Implemented");
}
break;
}
}
/// <summary>
/// Given a CorEventArgs object, returns a corresponding StopReason.
/// </summary>
/// <param name="args">Callback Arguments.</param>
/// <param name="currentProcess">Current MDbgProcess.</param>
/// <returns>A stop reason corresponsing to the given callback arguments. This
/// function currently creates StopReason objects for CorEventArgs with the following
/// callback types: OnCreateThread, OnExceptionUnwind2, OnModuleLoad, OnMDANotification.
/// For all other callback types, this function returns args.ToString().</returns>
public static Object CreateStopReasonFromEventArgs(CorEventArgs args, MDbgProcess currentProcess)
{
if (args.CallbackType == ManagedCallbackType.OnCreateThread)
{
return(new ThreadCreatedStopReason(currentProcess.Threads.GetThreadFromThreadId(args.Thread.Id)));
}
if (args.CallbackType == ManagedCallbackType.OnExceptionUnwind2)
{
var ea = args as CorExceptionUnwind2EventArgs;
return(new ExceptionUnwindStopReason(ea.AppDomain, ea.Thread, ea.EventType, ea.Flags));
}
if (args.CallbackType == ManagedCallbackType.OnModuleLoad)
{
var ea = args as CorModuleEventArgs;
return(new ModuleLoadedStopReason(currentProcess.Modules.Lookup(ea.Module)));
}
if (args.CallbackType == ManagedCallbackType.OnMDANotification)
{
var ea = args as CorMDAEventArgs;
return(new MDANotificationStopReason(ea.MDA));
}
return(args.ToString());
}
internal RawModeStopReason(ManagedCallbackType callbackType, CorEventArgs callbackArgs)
{
Debug.Assert(callbackArgs != null);
m_callbackType = callbackType;
m_callbackArgs = callbackArgs;
}
