void IDkmProcessExecutionNotification.OnProcessResume(DkmProcess process, DkmProcessExecutionCounters processCounters)
{
var processData = DebugHelpers.GetOrCreateDataItem <NullcRemoteProcessDataItem>(process);
// Third stage of breakpoint handling - schedule a single step so we will move from the instruction location where debug break instruction must be restored (int 3)
if (processData.lastHitBreakpointLocation != 0)
{
var singleStepRequest = DkmSingleStepRequest.Create(DebugHelpers.NullcStepperBreakpointSourceId, processData.singleStepThread);
singleStepRequest.EnableSingleStep();
}
}
void IDkmSingleStepCompleteReceived.OnSingleStepCompleteReceived(DkmSingleStepRequest singleStepRequest, DkmEventDescriptorS eventDescriptor)
{
var processData = DebugHelpers.GetOrCreateDataItem <NullcRemoteProcessDataItem>(singleStepRequest.Thread.Process);
// Last stage of breakpoint handling - restore debug break instruction now that we have moved from the breakpoint location
if (processData.lastHitBreakpointLocation != 0)
{
// Restore breakpoint instruction
singleStepRequest.Thread.Process.InvisibleWriteMemory(processData.lastHitBreakpointLocation, new byte[1] {
0xcc
});
processData.lastHitBreakpointLocation = 0;
eventDescriptor.Suppress();
}
}
