xcode iOS模拟器应用程序的终端命令行调试？
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Terminal command-line debug of iOS Simulator apps?
提问by hotpaw2
Is it possible to use GDB or LLDB from the Terminal command-line under Mac OS X to debug apps running on the iOS Simulator? (e.g. not from within Xcode's GUI or console, but using an external command-line or process). If so, how?
是否可以在 Mac OS X 下的终端命令行中使用 GDB 或 LLDB 来调试在 iOS 模拟器上运行的应用程序？（例如，不是来自 Xcode 的 GUI 或控制台，而是使用外部命令行或进程）。如果是这样，如何？
回答by Mark Granoff
You'll need to have the app already in the simulator's Springboard; you can't launch the app in the simulator from Xcode and then expect to be able to have a command line instance of gdb attach to it.
您需要在模拟器的 Springboard 中安装该应用程序；您无法从 Xcode 在模拟器中启动应用程序，然后期望能够将 gdb 的命令行实例附加到它。
So:
所以：
- Run the iOS Simulator, having already gotten your app into it.
- In a terminal window:
- 运行 iOS 模拟器，已经让您的应用程序进入其中。
- 在终端窗口中：
% gdb
...
(gdb) attach --waitfor 'Name Of Your App'
- Launch your app from the simulator Springboard.
- gdb should attach to the process before
main()is executed. So you can set some breakpoints, or whatever. Then:
- 从模拟器 Springboard 启动您的应用程序。
- gdb 应该在
main()执行之前附加到进程。所以你可以设置一些断点，或者其他什么。然后：
(gdb) continue
The procedure for lldbis similar:
过程lldb类似：
% lldb
(lldb) process attach -n 'Name Of Your App' --waitfor
<launch your app in the simulator>
(lldb) continue
I am not sure why you'd want or need to do this, but as an old command line gdb (and dbx) guy, I can appreciate it. :-)
我不确定你为什么想要或需要这样做，但作为一个旧的命令行 gdb（和 dbx）人，我很感激。:-)
