i r
disassemble 0x401469
p $rsp
stack
p *rsp
p *$rsp
x $rsp
x/c $rsp
stack
x/c $rsp
x $rsp
x/i $rsp
x/d $rsp
x/x $rsp
x/8x $rsp
break *investigate+67
r
p $rbp - $rsi
p $rsi + 0x48
p/x $rsi + 0x48
p *0x7fffffffc048
p/x *0x7fffffffc048
disassemble 0x4014ee
stack
frame
p *0x7fffffffc048 = 0xdeadbeef
c
q
regs 
r
q
print $rip
p/i $rip
p/x $rip
x/i $rip
p $rsp
x $rsp
x/i $rsp
x/u $rsp
x/x8 $rsp
x/8x $rsp
x/x8 $rsp
x/8x $rsp
p $rip
x $rip
break *investigate+67
r
segments
info proc mappings 
address 0x7fffffffc000
address 0x400000
x exit
x exit-0x7ffff7de1000
p exit-0x7ffff7de1000
x 0x7fffffffc000
x 0x400980

x 0x400940
x/8 0x400940
x/d8x 0x400940
x/dx 0x400940
x/8dx 0x400940
x/8xg 0x400940
x exit
x exit@iat
x exit