struct _KSTACK_AREA// Size=0x210
{
    struct _FNSAVE_FORMAT FnArea;// Offset=0x0 Size=0x6c
    struct _FXSAVE_FORMAT NpxFrame;// Offset=0x0 Size=0x1e0
    struct _KERNEL_STACK_CONTROL StackControl;// Offset=0x1e0 Size=0x1c
    unsigned long Cr0NpxState;// Offset=0x1fc Size=0x4
    unsigned long Padding[4];// Offset=0x200 Size=0x10
};