public BreakpointMarker(TextMarkerService markerStrategy, Breakpoint bp, TextDocument doc, int line_begin, int line_end)
: base(markerStrategy, doc, line_begin, line_end)
{
this.Breakpoint = bp;
MarkerType = TextMarkerType.None;
BackgroundColor = Colors.Red;
}
public Breakpoint CreateBreakpoint(IntPtr address, bool enabled = true)
{
var bp = new Breakpoint(Debuggee.MainProcess, address);
bp.Enabled = enabled;
breakpoints.Add(bp);
return bp;
}
public bool Remove(Breakpoint bp)
{
if (bp != null)
{
breakpoints.Remove(bp);
bp.Disable();
return true;
}
return false;
}
void SkipAndRestoreLastBreakpoint(bool resetStepFlag = true)
{
if (lastUnhandledBreakpoint == null)
throw new Exception("lastUnhandledBreakpoint must not be null");
if (!lastUnhandledBreakpoint.temporarilyDisabled)
throw new Exception("breakpoint must be marked as temporarily disabled!");
if (lastUnhandledBreakpointThread == null)
throw new Exception("lastUnhandledBreakpointThread must not be null");
if (postBreakpointResetStepCompleted)
throw new Exception("why is postBreakpointResetStepCompleted set to true?");
// Immediately after the breakpoint was hit, the bp code was taken out of the code
// and the instruction pointer was decreased, so the original instruction will be executed then afterwards.
// 1) Enable single-stepping (SS flag)
// 2) Step one forward (execute original instruction)
// 3) Re-enable breakpoint
// 4) (optionally) disable single-stepping again
// 1)
lastUnhandledBreakpointThread.Context.TrapFlagSet = true;
// 2)
lastUnhandledBreakpointThread.ContinueDebugging();
postBreakpointResetStepCompleted = false;
Debuggee.WaitForDebugEvent();
if (!postBreakpointResetStepCompleted)
return;
// 3)
lastUnhandledBreakpoint.Enable();
// 4)
if(resetStepFlag)
lastUnhandledBreakpointThread.Context.TrapFlagSet = false;
lastUnhandledBreakpointThread = null;
lastUnhandledBreakpoint = null;
postBreakpointResetStepCompleted = false;
}
public override void OnBreakpoint(DebugThread thread, DDebugger.Breakpoints.Breakpoint breakpoint)
{
form.HighlightCurrentInstruction(thread);
}
public virtual void OnBreakpoint(DebugThread thread, Breakpoint breakpoint)
{
}