struct _KIST_BASE_FRAME// Size=0x20
{
    struct _KPCR * KernelGsBase;// Offset=0x0 Size=0x8
    struct _KIST_LINK_FRAME * IstStack;// Offset=0x8 Size=0x8
    unsigned long long PreviousGsBase;// Offset=0x10 Size=0x8
    unsigned long long PreviousCr3;// Offset=0x18 Size=0x8
};