(gdb) x/8xg t4
0x7ffffff53260:	0x00007ffff7f79778	0x00007ffff78fb8b2
0x7ffffff53270:	0x00007bfff06ab6a0	0x00007ffffff532c0
0x7ffffff53280:	0x00007ffffff532c0	0x00007ffff784f9b8
0x7ffffff53290:	0x00007bfff06ab6b0	0x00007ffff7932e6d