=> 0x7f47c6d48bc5:	mov    0x8(%rdx),%rax
   0x7f47c6d48bc9:	mov    %rdx,%rsi
   0x7f47c6d48bcc:	test   %rax,%rax
   0x7f47c6d48bcf:	jne    0x7f47c6d4897d
   0x7f47c6d48bd5:	mov    %rsi,%rax
   0x7f47c6d48bd8:	mov    (%rsi),%rsi
   0x7f47c6d48bdb:	jmpq   0x7f47c6d48984
   0x7f47c6d48be0:	push   %r15
   0x7f47c6d48be2:	push   %r14
   0x7f47c6d48be4:	mov    %rdi,%r14
   0x7f47c6d48be7:	push   %r13
   0x7f47c6d48be9:	xor    %r13d,%r13d
   0x7f47c6d48bec:	push   %r12
   0x7f47c6d48bee:	push   %rbp
   0x7f47c6d48bef:	push   %rbx
   0x7f47c6d48bf0:	sub    $0x28,%rsp