** program './deep' loaded. entry point 0x401131.
      401131: f3 0f 1e fa                     	endbr64   
      401135: 55                              	push      rbp
      401136: 48 89 e5                        	mov       rbp, rsp
      401139: 48 83 ec 10                     	sub       rsp, 0x10
      40113d: b8 00 00 00 00                  	mov       eax, 0
** set a breakpoint at 0x40109c.
Num     Address
0       0x40109c
** set a breakpoint at 0x401031.
Num     Address
0       0x40109c
1       0x401031
** delete breakpoint 0.
Num     Address
1       0x401031
** breakpoint 3 does not exist.
Num     Address
1       0x401031
** hit a breakpoint at 0x401031.
      401031: 48 89 c6                        	mov       rsi, rax
      401034: bf 01 00 00 00                  	mov       edi, 1
      401039: e8 20 01 00 00                  	call      0x40115e
      40103e: 90                              	nop       
      40103f: c9                              	leave     
Num     Address
1       0x401031
this is callee
hello world
hello unix
** the target program terminated.