1 2 3 4 5
(gdb) x/5gx $rsp 0xffffffffc007c198: 0x0000000000405504 0x0000000000000013 0xffffffffc007c1a8: 0x0000000000200216 0x00007fff8003fc68 0xffffffffc007c1b8: 0x000000000000000b