lldb

所有命令选择与input 值用  —- 区分

1 p/x 16 转16进制 https://sourceware.org/gdb/onlinedocs/gdb/Output-Formats.html

/t 二进制 /s 字符串 /c char /d 十进制

2 c/s/n/f  continume/ step into /next /finish

3 frame info

4 thread return   //返回调用处,比如 加 符号断点 -[__NSArray0 objectAtIndex:] 找到数组越界调用处

5 p/e

6 b main.m:23  

breakpoint set -F "-[NSArray objectAtIndex:]"

7 x

 'x' is an abbreviation for 'memory read'

e char *$str = (char *)malloc(8)
e (void)strcpy($str, "anjun")
x/4 $str
e (void)free($str)

8 LLDB has full, built-in Python support. If you type script in LLDB, it will open a Python REPL.