=> 0x4bff0e: mov 0x390(%rax),%rdi 0x4bff15: callq 0x4bfde0 0x4bff1a: mov $0x1,%eax 0x4bff1f: add $0x8,%rsp 0x4bff23: retq 0x4bff24: data32 data32 nopw %cs:0x0(%rax,%rax,1) 0x4bff30: mov %rbx,-0x10(%rsp) 0x4bff35: mov %rbp,-0x8(%rsp) 0x4bff3a: mov %rdi,%rbx 0x4bff3d: sub $0x18,%rsp 0x4bff41: mov %rdx,%rbp 0x4bff44: callq 0x424880 0x4bff49: test %rbx,%rbx 0x4bff4c: je 0x4bff6a 0x4bff4e: mov (%rbx),%rdx 0x4bff51: test %rdx,%rdx