断点
设置断点
$breakpoint set -n XXX
set 是子命令
-n 是选项 是--name 的缩写!查看断点列表
$breakpoint list删除
$breakpoint delete 组号禁用/启用
$breakpoint disable 禁用
$breakpoint enable 启用
所有文件的touchesBegan:withEvent:方法都hook:
breakpoint set --selector touchesBegan:withEvent:
当前文件中touchesBegan:withEvent:方法的hook:
breakpoint set --file ViewController.m --selector touchesBegan:withEvent:
- 遍历整个项目中满足Game:这个字符的所有方法
$breakpoint set -r Game:
流程控制
- 继续执行
$continue c - 单步运行,将子函数当做整体一步执行
$n next - 单步运行,遇到子函数会进去
$s
stop-hook
让你在每次stop的时候去执行一些命令,只对breadpoint,watchpoint
target stop-hook add -o "code"
常用命令
- image list
- p
- b -[xxx xxx]
- x : memory read的缩写
- register read
- po
内存断点
watchpoint set variable p1->_name
(lldb) frame variable
(ViewController *) self = 0x0000000101204e10
(SEL) _cmd = "viewDidLoad"
(Person *) p1 = 0x00000001c4225720
(Person *) p2 = 0x0000000000000010
(Person *) p3 = 0x000000016f219638
(lldb) p &p1->_name
(NSString **) $0 = 0x00000001c4225730
(lldb) watchPoint set expression 0x00000001c4225730
error: 'watchPoint' is not a valid command.
error: Unrecognized command 'watchPoint'.
(lldb) watchpoint set expression 0x00000001c4225730
Watchpoint created: Watchpoint 1: addr = 0x1c4225730 size = 8 state = enabled type = w
new value: 4307468384
(lldb) n
(lldb) n
Watchpoint 1 hit:
old value: 4307468384
new value: 4307468480
(lldb) po 4307468384
zhanglei
(lldb) po 4307468480
dadada
