This is the README file for funchook, which implements the function hook
to provide a easy and convenient way to analyze kernel problems and provide
hotfix to kernel.

Introduction.
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- Analyze kernel problems
we can add code to the hook function to analyze the change before and after
the execution of a specific function. like kernel printk, stack dump, etc.

- hotfix patch for kernel problem
we can fix the problem in hook function, once hook function is registered,
it will work instead of the original function.


Usage.
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1. Copy the hook_fput directory and rename it, for example, hook_new.
2. Modify samples/Makefile, add "obj-y  = hook_new".
3. 3. Modify hook_new/module.c according to your needs.


Installation.
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Run `make` to generate module ko file, then install ko file on kernel system.


Contacts.
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Xing Qingjie <[email protected]>


Copyrights:
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All of the code can be freely used and redistributed.