=> 0x40c258:	mov    0x20(%rdx),%rdi
   0x40c25c:	callq  0x409498 <g_type_check_instance_cast@plt>
   0x40c261:	mov    %rax,%rdi
   0x40c264:	callq  0x4093b8 <gdu_pool_tree_view_get_selected_presentable@plt>
   0x40c269:	mov    %rax,%rbp
   0x40c26c:	mov    0x18(%rbx),%rax
   0x40c270:	mov    0x30(%rax),%rdi
   0x40c274:	test   %rdi,%rdi
   0x40c277:	je     0x40c2d0
   0x40c279:	mov    $0x40c370,%r9d
   0x40c27f:	xor    %r8d,%r8d
   0x40c282:	xor    %ecx,%ecx
   0x40c284:	xor    %edx,%edx
   0x40c286:	mov    $0x18,%esi
   0x40c28b:	mov    %rbx,(%rsp)
   0x40c28f:	callq  0x408dc8 <g_signal_handlers_disconnect_matched@plt>