_KDHELP

type _KDHELP = record

  Thread: DWORD;

  ThCallbackStack: DWORD;

  NextCallback: DWORD;

  FramePointer: DWORD;

  KiCallUserMode: DWORD;

  KeUserCallbackDispatcher: DWORD;

  SystemRangeStart: DWORD;

  ThCallbackBStore: DWORD;

  Reserved: array [0..7] of DWORD;

end;