void IFunctionTracer.OnExitBreakpointHit(DkmRuntimeBreakpoint bp, DkmThread thread, bool hasException)
{
FunctionTraceEntryDataItem traceDataItem = bp.GetDataItem <FunctionTraceEntryDataItem>();
if (OnFunctionExited != null)
{
DkmStackWalkFrame frame = thread.GetTopStackWalkFrame(bp.RuntimeInstance);
StackFrameAnalyzer exitAnalyzer = null;
if (traceDataItem != null)
{
DkmSystemInformationFlags systemInformationFlags =
frame.ModuleInstance.Process.SystemInformation.Flags;
bool isTarget64Bit = systemInformationFlags.HasFlag(DkmSystemInformationFlags.Is64Bit);
int pointerSize = (isTarget64Bit) ? 8 : 4;
exitAnalyzer = new CachedFrameAnalyzer(
frameAnalyzer.Parameters,
traceDataItem.EntryArgumentValues,
pointerSize);
}
OnFunctionExited(frame, exitAnalyzer);
}
// Since this was a one-shot breakpoint, it is unconditionally closed.
bp.Close();
}
void IDkmRuntimeMonitorBreakpointHandler.DisableRuntimeBreakpoint(DkmRuntimeBreakpoint runtimeBreakpoint)
{
var breakpointData = runtimeBreakpoint.GetDataItem <NullcBreakpointDataItem>();
if (breakpointData != null)
{
var processData = DebugHelpers.GetOrCreateDataItem <NullcRemoteProcessDataItem>(runtimeBreakpoint.Process);
var address = breakpointData.instructionAddress.CPUInstructionPart.InstructionPointer;
runtimeBreakpoint.Process.InvisibleWriteMemory(breakpointData.instructionAddress.CPUInstructionPart.InstructionPointer, breakpointData.prevValue);
// Skip internal breakpoints used in stepper
if (runtimeBreakpoint.SourceId != DebugHelpers.NullcStepperBreakpointSourceId)
{
if (processData.activeBreakpointLocations.Contains(address))
{
processData.activeBreakpointLocations.Remove(address);
}
// If we were planning to restore the breakpoint, forget about it
if (processData.lastHitBreakpointLocation == address)
{
processData.lastHitBreakpointLocation = 0;
}
}
}
}
public void AddBreakpoint(DkmRuntimeBreakpoint bp)
{
var loc = bp.GetDataItem <SourceLocation>();
if (!_breakpoints.TryGetValue(loc, out List <DkmRuntimeBreakpoint> bpsAtLoc))
{
_breakpoints[loc] = bpsAtLoc = new List <DkmRuntimeBreakpoint>();
}
bpsAtLoc.Add(bp);
WriteBreakpoints();
}
public void OnRuntimeBreakpointReceived(
DkmRuntimeBreakpoint bp,
DkmThread thread,
bool hasException,
DkmEventDescriptorS eventDescriptor) {
FunctionTraceDataItem traceDataItem = bp.GetDataItem<FunctionTraceDataItem>();
if (traceDataItem != null && traceDataItem.Tracer != null) {
if (bp.SourceId == Guids.Source.FunctionTraceEnter)
traceDataItem.Tracer.OnEntryBreakpointHit(bp, thread, hasException);
else if (bp.SourceId == Guids.Source.FunctionTraceExit)
traceDataItem.Tracer.OnExitBreakpointHit(bp, thread, hasException);
}
}
public void RemoveBreakpoint(DkmRuntimeBreakpoint bp)
{
var loc = bp.GetDataItem <SourceLocation>();
if (!_breakpoints.TryGetValue(loc, out List <DkmRuntimeBreakpoint> bpsAtLoc))
{
return;
}
if (!bpsAtLoc.Remove(bp))
{
return;
}
if (bpsAtLoc.Count == 0)
{
_breakpoints.Remove(loc);
}
WriteBreakpoints();
}
public void OnRuntimeBreakpointReceived(
DkmRuntimeBreakpoint bp,
DkmThread thread,
bool hasException,
DkmEventDescriptorS eventDescriptor)
{
FunctionTraceDataItem traceDataItem = bp.GetDataItem <FunctionTraceDataItem>();
if (traceDataItem != null && traceDataItem.Tracer != null)
{
if (bp.SourceId == Guids.Source.FunctionTraceEnter)
{
traceDataItem.Tracer.OnEntryBreakpointHit(bp, thread, hasException);
}
else if (bp.SourceId == Guids.Source.FunctionTraceExit)
{
traceDataItem.Tracer.OnExitBreakpointHit(bp, thread, hasException);
}
}
}
void IFunctionTracer.OnExitBreakpointHit(DkmRuntimeBreakpoint bp, DkmThread thread, bool hasException) {
FunctionTraceEntryDataItem traceDataItem = bp.GetDataItem<FunctionTraceEntryDataItem>();
if (OnFunctionExited != null) {
DkmStackWalkFrame frame = thread.GetTopStackWalkFrame(bp.RuntimeInstance);
StackFrameAnalyzer exitAnalyzer = null;
if (traceDataItem != null) {
DkmSystemInformationFlags systemInformationFlags =
frame.ModuleInstance.Process.SystemInformation.Flags;
bool isTarget64Bit = systemInformationFlags.HasFlag(DkmSystemInformationFlags.Is64Bit);
int pointerSize = (isTarget64Bit) ? 8 : 4;
exitAnalyzer = new CachedFrameAnalyzer(
frameAnalyzer.Parameters,
traceDataItem.EntryArgumentValues,
pointerSize);
}
OnFunctionExited(frame, exitAnalyzer);
}
// Since this was a one-shot breakpoint, it is unconditionally closed.
bp.Close();
}