MANUAL ANALYSIS: DISPLAY SPECIFIED VALUES

gef> p /x $rax
 $1 = 0x100000000

 * Iteration 1: rax = 2 * 2 = 4
   Iteration 2: rax = 4 * 4 = 16
   Iteration 3: rax = 16 * 16 = 256
   Iteration 4: rax = 256 * 256 = 65,536
   Iteration 5: rax = 65,536 * 65,536 = 4,294,967,29

 * p means print
 * /x means hexadecimal
 * $rax is the specified register