export fn _start() noreturn {
    const a: u32 = 1;
    const b: u32 = 2;
    const c = a + b;

    asm volatile ("syscall"
        :
        : [number] "{rax}" (231),
          [arg1] "{rdi}" (0)
        : "rcx", "r11", "memory"
    );
    unreachable;
}