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();
}
private StackFrameAnalyzer CreateFrameAnalyzer(
DkmNativeModuleInstance module,
FunctionParameter[] parameters)
{
DkmSystemInformationFlags systemInformationFlags = module.Process.SystemInformation.Flags;
bool isTarget64Bit = systemInformationFlags.HasFlag(DkmSystemInformationFlags.Is64Bit);
int pointerSize = (isTarget64Bit) ? 8 : 4;
if (isTarget64Bit)
{
return(new X64FrameAnalyzer(parameters));
}
else
{
return(new StdcallFrameAnalyzer(parameters));
}
}
