=> 0x41c4f0:	mov    (%rbx),%rsi
   0x41c4f3:	mov    %rbp,%rdi
   0x41c4f6:	callq  0x414030 <gtk_propagate_event@plt>
   0x41c4fb:	mov    0x8(%rbx),%rbx
   0x41c4ff:	test   %rbx,%rbx
   0x41c502:	jne    0x41c4f0
   0x41c504:	mov    %rbp,%rdi
   0x41c507:	callq  0x41c420
   0x41c50c:	add    $0x8,%rsp
   0x41c510:	xor    %eax,%eax
   0x41c512:	pop    %rbx
   0x41c513:	pop    %rbp
   0x41c514:	retq   
   0x41c515:	data32 nopw %cs:0x0(%rax,%rax,1)
   0x41c520:	push   %rbx
   0x41c521:	mov    %rcx,%rbx