=> 0x7f6b2028e962: testb $0x4,0x20(%rdi) 0x7f6b2028e966: setne %al 0x7f6b2028e969: retq 0x7f6b2028e96a: nopw 0x0(%rax,%rax,1) 0x7f6b2028e970 : push %rbx 0x7f6b2028e971 : mov %rdi,%rbx 0x7f6b2028e974 : lea 0x24(%rdi),%rdi 0x7f6b2028e978 : mov $0xffffffff,%esi 0x7f6b2028e97d : callq 0x7f6b20229070 0x7f6b2028e982 : cmp $0x1,%eax 0x7f6b2028e985 : je 0x7f6b2028e990 0x7f6b2028e987 : pop %rbx 0x7f6b2028e988 : retq 0x7f6b2028e989 : nopl 0x0(%rax) 0x7f6b2028e990 : mov 0x20(%rbx),%eax 0x7f6b2028e993 : test $0x1,%al