struct _XSTATE_SAVE// Size=0x38
{
    struct _XSTATE_SAVE * Prev;// Offset=0x0 Size=0x8
    struct _KTHREAD * Thread;// Offset=0x8 Size=0x8
    unsigned char Level;// Offset=0x10 Size=0x1
    struct _XSTATE_CONTEXT XStateContext;// Offset=0x18 Size=0x20
};