_KDHELP64

type _KDHELP64 = record

  Thread: DWORD64;

  ThCallbackStack: DWORD;

  ThCallbackBStore: DWORD;

  NextCallback: DWORD;

  FramePointer: DWORD;

  KiCallUserMode: DWORD64;

  KeUserCallbackDispatcher: DWORD64;

  SystemRangeStart: DWORD64;

  Reserved: array [0..7] of DWORD64;

end;