=> 0x7f3a8029c9e7:	mov    (%rbx),%rdi
   0x7f3a8029c9ea:	test   %rdi,%rdi
   0x7f3a8029c9ed:	jne    0x7f3a8029c9d0
   0x7f3a8029c9ef:	add    $0x8,%rsp
   0x7f3a8029c9f3:	xor    %eax,%eax
   0x7f3a8029c9f5:	pop    %rbx
   0x7f3a8029c9f6:	pop    %rbp
   0x7f3a8029c9f7:	pop    %r12
   0x7f3a8029c9f9:	pop    %r13
   0x7f3a8029c9fb:	pop    %r14
   0x7f3a8029c9fd:	pop    %r15
   0x7f3a8029c9ff:	ret    
   0x7f3a8029ca00:	mov    0x8(%rbx),%eax
   0x7f3a8029ca03:	add    $0x8,%rsp
   0x7f3a8029ca07:	pop    %rbx
   0x7f3a8029ca08:	pop    %rbp