public void LogDebuggerStop(IDebuggerStop debuggerStop)
{
if(_logStream == null)
{
string logFilename = BuildLogFile();
_logStream = File.OpenWrite(logFilename);
}
StreamHelper.WriteInt32((int)debuggerStop.StopReason, _logStream);
StreamHelper.WriteInt64(debuggerStop.Status, _logStream);
StreamHelper.WriteUInt64(debuggerStop.Address, _logStream);
}
public GDBSnapshot(GDBConnector connector, IDebuggerStop lastDebuggerStop)
{
_connector = connector;
if(lastDebuggerStop == null)
throw new ArgumentException("No last stop address found");
if(lastDebuggerStop.Address == 0 )
throw new ArgumentException("Last stop does not provide address");
_myBreakpoint = connector.SetSoftwareBreakpoint(lastDebuggerStop.Address, 0, "_snapshot");
//Activate reverse debugging
connector.QueueCommand(new RecordCmd(_connector));
}
private void GdbStopped(StopReasonEnum stopReason, GDBBreakpoint breakpoint, UInt64 address, Int64 status)
{
_lastDebuggerStop = new DebuggerStop(stopReason, breakpoint, address, status);
_gdbStopEventHandler.Set();
}
public IDebuggerStop DebugContinue(bool reverse)
{
bool success = false;
ManualResetEvent evt = new ManualResetEvent (false);
_gdbStopEventHandler.Reset ();
QueueCommand (new ContinueCmd (reverse, _runArgs,
(Action<bool>)delegate(bool bSuc)
{
success = bSuc;
evt.Set ();
}, this));
while (true)
{
//If negative continue response was received,
//throw an exception
if (evt.WaitOne (10) && success == false)
throw new ArgumentException ("Continuing failed");
if (_gdbStopEventHandler.WaitOne (10))
break;
}
//There are situations where no address is available. e.g. the debugger only returns symbols on
//break. Retrieve the current location in this situations
if (_lastDebuggerStop.Address == 0)
{
evt.Reset ();
QueueCommand (new PrintCmd (PrintCmd.Format.Hex, "$pc",
delegate(object value) {
if (value is UInt64)
_lastDebuggerStop = new DebuggerStop (
_lastDebuggerStop.StopReason,
_lastDebuggerStop.Breakpoint,
(UInt64)value,
_lastDebuggerStop.Status);
evt.Set ();
}, this));
evt.WaitOne ();
}
if (_lastDebuggerStop.StopReason == StopReasonEnum.Breakpoint &&
_lastDebuggerStop.Breakpoint == null)
{
_lastDebuggerStop = new DebuggerStop (
_lastDebuggerStop.StopReason,
LookupBreakpointByAddress (_lastDebuggerStop.Address),
_lastDebuggerStop.Address,
_lastDebuggerStop.Status);
}
return _lastDebuggerStop;
}
