#[repr(C, packed)]
struct TSS {
    reserved0: u32,
    rsp0: u64,
}

fn main() {
    println!("{}", std::mem::size_of::<TSS>());
    println!("{}", std::mem::align_of::<TSS>());
}

fn _warning(tss: &TSS) -> &u64 {
    &tss.rsp0
}