在文件中添加的printf到的所有功能出发 [英] Adding printf to the starting of all functions in a file

问题描述

我有一些非常大的C文件，有很多的功能。我需要跟踪的执行路径在运行时。有没有办法我可以跟踪它通过调试作为其管理程序code当前运行在QEMU和做大量的二进制翻译的。

I have some very large C files, having lots of functions. I need to trace the execution path at run time. There is no way I can trace it through debugging as its a hypervisor code currently running over qemu and doing a lot of binary translations.

任何人都可以点我在Perl或Python一些脚本可在所有功能的起点添加一个的printf 和文本可能是这样的：我上述＆lt ;函数名>

Can anyone point me to some script in Perl or Python which can add a printf at the starting of all functions and the text could be something like "I am in < function name >"?

推荐答案

就在编译时通过 -finstrument函数到GCC。请参阅 GCC（1）手册页了解详情。

Just pass -finstrument-functions to gcc when compiling. See the gcc(1) man page for details.

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