=> 0x7fa71692c5d2:	cmp    0x80(%rdi),%rdi
   0x7fa71692c5d9:	sete   %al
   0x7fa71692c5dc:	retq   
   0x7fa71692c5dd:	nopl   (%rax)
   0x7fa71692c5e0:	push   %r13
   0x7fa71692c5e2:	push   %r12
   0x7fa71692c5e4:	mov    %rsi,%r12
   0x7fa71692c5e7:	push   %rbp
   0x7fa71692c5e8:	push   %rbx
   0x7fa71692c5e9:	sub    $0x8,%rsp
   0x7fa71692c5ed:	test   %rdi,%rdi
   0x7fa71692c5f0:	je     0x7fa71692c68e
   0x7fa71692c5f6:	mov    0x48(%rdi),%rbx
   0x7fa71692c5fa:	lea    0x48(%rdi),%r13
   0x7fa71692c5fe:	test   %rbx,%rbx
   0x7fa71692c601:	jne    0x7fa71692c610