错误：无法实现struct：无法读取eax [英] error: Couldn't materialize struct: Couldn't read eax

问题描述

为了在iOS模拟器上进行调试，我以前可以读出$ eax寄存器并获取错误信息。但是，我不知道它是新的XCode 4.6和iOS 6.1，我不能再这样做了。

For debugging on iOS simulator, I used to be able to read out $eax register and get the error message. However, I don't know if it's the new XCode version 4.6 and iOS 6.1, I can't do that any more.

(lldb) po $eax
error: Couldn't materialize struct: Couldn't read eax (materialize)
Errored out in Execute, couldn't PrepareToExecuteJITExpression

现在是什么？
另外eax不在真实的设备中，我该怎么办？

What now? Also eax is not in the real device, what do I do?

推荐答案

根据此LLDB指南，您可以使用：

register read

检查当前线程的通用寄存器

To examine the general purpose registers of the current thread

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