public unsafe void QueueForDecRef(PyObject obj)
{
byte[] buf = new byte[sizeof(ObjectToRelease)];
fixed(byte *p = buf)
{
var otr = (ObjectToRelease *)p;
otr->pyObject = obj.Address;
otr->next = _objectsToRelease.Read();
}
ulong otrPtr = _process.AllocateVirtualMemory(0, sizeof(ObjectToRelease), NativeMethods.MEM_COMMIT | NativeMethods.MEM_RESERVE, NativeMethods.PAGE_READWRITE);
_process.WriteMemory(otrPtr, buf);
_objectsToRelease.Write(otrPtr);
}
public void Step(DkmStepper stepper, DkmStepArbitrationReason reason)
{
var thread = stepper.Thread;
var process = thread.Process;
if (stepper.StepKind == DkmStepKind.StepIntoSpecific)
{
throw new NotSupportedException();
}
else if (_stepper != null)
{
_stepper.CancelStepper(process.GetPythonRuntimeInstance());
_stepper = null;
}
// Check if this was a step out (or step over/in that fell through) from native to Python.
// If so, we consider the step done, since we can report the correct callstack at this point.
if (reason == DkmStepArbitrationReason.TransitionModule)
{
var beginState = stepper.GetDataItem <StepBeginState>();
if (beginState != null)
{
thread.GetCurrentFrameInfo(out global::System.UInt64 retAddr, out global::System.UInt64 frameBase, out global::System.UInt64 vframe);
if (frameBase >= beginState.FrameBase)
{
stepper.OnStepComplete(thread, false);
return;
}
}
}
if (stepper.StepKind == DkmStepKind.Into)
{
new LocalComponent.BeginStepInNotification
{
ThreadId = thread.UniqueId
}.SendHigher(process);
}
_stepper = stepper;
_stepKind.Write((int)stepper.StepKind + 1);
_stepThreadId.Write((uint)thread.SystemPart.Id);
_steppingStackDepth.Write(0);
}
