$\require{cancel}$
Breakpoint 2, _start () at regDemo.asm:7 7 mov rax, 01111111111111111h (gdb) p /x $rip $8 = 0x401000 (gdb) s 9 mov eax, 022222222h (gdb) p /x $rip $9 = 0x40100a (gdb) s Breakpoint 1, _start () at regDemo.asm:11 11 mov ax, 03333h (gdb) p /x $rip $10 = 0x40100f (gdb) s 13 mov al, 044h (gdb) p /x $rip $11 = 0x401013 (gdb) s 15 mov al, -1 (gdb) p /x $rip $12 = 0x401015
od -x --endian=big regDemo
file offset |---------------- data ---------------| 0010000 48b8 1111 1111 1111 1111 b822 2222 2266 0010020 b833 33b0 44b0 ff48 c7c0 ffff ffff b83c