lldb 断点自动执行命令

调试某软件，需要取到断点时候的内存数据。

之前是每次到断点，一个地址一个地址地 p 或者 memory read，后来看到 breakpoint command 命令，于是有了：

添加断点

(lldb) breakpoint set -a 0x100110000
Breakpoint 1: where = someapp`___lldb_unnamed_symbol10122$$global, address = 0x0000000100110000

1 2	(lldb) breakpoint set -a 0x100110000 Breakpoint 1: where = someapp`___lldb_unnamed_symbol10122$$global, address = 0x0000000100110000

添加命令

(lldb) breakpoint command add 1.1
Enter your debugger command(s).  Type 'DONE' to end.

1 2	(lldb) breakpoint command add 1.1 Enter your debugger command(s). Type 'DONE' to end.

输入命令

> memory read -f Y -c 0x100 $x1 
> memory read -f Y -c 0x100 $x2
> DONE

> memory read -f Y -c 0x100 $x1

> memory read -f Y -c 0x100 $x2

> DONE

这样，每次运行到断点的时候，就会执行这两条命令。

lldb 断点自动执行命令 by @sskaje: https://sskaje.me/2018/03/lldb-%e6%96%ad%e7%82%b9%e8%87%aa%e5%8a%a8%e6%89%a7%e8%a1%8c%e5%91%bd%e4%bb%a4/