=> 0x7fa1a1294c96 <gdk_device_get_source+22>:	cmp    %rax,(%rdx)
   0x7fa1a1294c99 <gdk_device_get_source+25>:	je     0x7fa1a1294cd0 <gdk_device_get_source+80>
   0x7fa1a1294c9b <gdk_device_get_source+27>:	mov    %rax,%rsi
   0x7fa1a1294c9e <gdk_device_get_source+30>:	mov    %rbx,%rdi
   0x7fa1a1294ca1 <gdk_device_get_source+33>:	callq  0x7fa1a1291180 <g_type_check_instance_is_a@plt>
   0x7fa1a1294ca6 <gdk_device_get_source+38>:	test   %eax,%eax
   0x7fa1a1294ca8 <gdk_device_get_source+40>:	jne    0x7fa1a1294cd0 <gdk_device_get_source+80>
   0x7fa1a1294caa <gdk_device_get_source+42>:	lea    0x3f800(%rip),%rdx        # 0x7fa1a12d44b1
   0x7fa1a1294cb1 <gdk_device_get_source+49>:	lea    0x3fd98(%rip),%rsi        # 0x7fa1a12d4a50
   0x7fa1a1294cb8 <gdk_device_get_source+56>:	lea    0x3ec94(%rip),%rdi        # 0x7fa1a12d3953
   0x7fa1a1294cbf <gdk_device_get_source+63>:	callq  0x7fa1a1290eb0 <g_return_if_fail_warning@plt>
   0x7fa1a1294cc4 <gdk_device_get_source+68>:	xor    %eax,%eax
   0x7fa1a1294cc6 <gdk_device_get_source+70>:	pop    %rbx
   0x7fa1a1294cc7 <gdk_device_get_source+71>:	retq   
   0x7fa1a1294cc8 <gdk_device_get_source+72>:	nopl   0x0(%rax,%rax,1)
   0x7fa1a1294cd0 <gdk_device_get_source+80>:	mov    0x20(%rbx),%eax