** program './hello' loaded. entry point 0x401000.
      401000: f3 0f 1e fa                     	endbr64   
      401004: 55                              	push      rbp
      401005: 48 89 e5                        	mov       rbp, rsp
      401008: ba 0e 00 00 00                  	mov       edx, 0xe
      40100d: 48 8d 05 ec 0f 00 00            	lea       rax, [rip + 0xfec]
(sdb) break 0x401005
** set a breakpoint at 0x401005.
(sdb) break 40102b
** set a breakpoint at 0x40102b.
(sdb) info break
Num	Address		
0	0x401005
1	0x40102b
(sdb) si
      401004: 55                              	push      rbp
      401005: 48 89 e5                        	mov       rbp, rsp
      401008: ba 0e 00 00 00                  	mov       edx, 0xe
      40100d: 48 8d 05 ec 0f 00 00            	lea       rax, [rip + 0xfec]
      401014: 48 89 c6                        	mov       rsi, rax
(sdb) si
** hit a breakpoint at 0x401005.
      401005: 48 89 e5                        	mov       rbp, rsp
      401008: ba 0e 00 00 00                  	mov       edx, 0xe
      40100d: 48 8d 05 ec 0f 00 00            	lea       rax, [rip + 0xfec]
      401014: 48 89 c6                        	mov       rsi, rax
      401017: bf 01 00 00 00                  	mov       edi, 1
(sdb) cont
** hit a breakpoint at 0x40102b.
      40102b: b8 01 00 00 00                  	mov       eax, 1
      401030: 0f 05                           	syscall   
      401032: c3                              	ret       
      401033: b8 00 00 00 00                  	mov       eax, 0
      401038: 0f 05                           	syscall   
(sdb) info reg
$rax 0x0000000000402000    $rbx 0x0000000000000000    $rcx 0x0000000000000000
$rdx 0x000000000000000e    $rsi 0x0000000000402000    $rdi 0x0000000000000001
$rbp 0x00007ffe0e5cd5b8    $rsp 0x00007ffe0e5cd5b0    $r8  0x0000000000000000
$r9  0x0000000000000000    $r10 0x0000000000000000    $r11 0x0000000000000000
$r12 0x0000000000000000    $r13 0x0000000000000000    $r14 0x0000000000000000
$r15 0x0000000000000000    $rip 0x000000000040102b    $eflags 0x0000000000000202
(sdb) cont
hello world!
** the target program terminated.