linux-kernel - Re: Modules.Symvers - What is (not) and how to use it?

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Message-ID: <53446C20.1040409@infradead.org>
Date:	Tue, 08 Apr 2014 14:37:36 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	Ismael Farfán <sulfurfff@...il.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Modules.Symvers - What is (not) and how to use it?

On 04/08/2014 09:55 AM, Ismael Farfán wrote:
> Hello guys
> 
> I work on 3 modules, let's say:
> KServervices, mod1, mod2
> 
> KServices exports functions consumed by mod1 and mod2.
> 
> Accidentally I was deleting Modules.Symvers after compiling KServices
> and mod1 and mod2 failed to load because thery where looking for the
> functions in a different offset than the one shown in /proc/kallsyms
> 
> 
> QUESTION:
> What is and how do I use that file?
> 
> 
> I was hopping to find some good documentation in tldp.org, but
> nothing, I only find forums that mention it, but nothing that can help
> me understand it and probably find a way to stop requiring it.

There is a small bit of documentation for it in
kernel tree:Documentation/kbuild/modules.txt.


-- 
~Randy
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