From: simon guinot <simon.guinot@laposte.net>
To: Sergio Paracuellos <sparacuellos@lock-linux.com>
Cc: linux-newbie@vger.kernel.org
Subject: Re: Exporting symbols between modules
Date: Wed, 24 Aug 2005 16:59:22 +0200 [thread overview]
Message-ID: <20050824165922.6f0d8c08.simon.guinot@laposte.net> (raw)
In-Reply-To: <1124868488.3073.10.camel@localhost.localdomain>
hello
On Wed, 24 Aug 2005 09:28:08 +0200
Sergio Paracuellos <sparacuellos@lock-linux.com> wrote:
> Hi all,
>
> I'm new in this list and I have some problems exporting symbols in a
> module to see them in other module.
>
> In the module I want to export the symbol I do:
>
> tList list;
> EXPORT_SYMBOL(list);
ok... you've better to use the EXPORT_SYMBOL_NOVERS macro to export the symbol whiteout the versioning information...
don't forget to define EXPORT_SYMTAB before include module.h...
you can add a -DEXPORT_SYMTAB in your Makefile or a #define EXPORT_SYMTAB before
#include <linux/module.h> in your source file...
>
> I compile it and install without any problem.
>
> And in the module I want to use them I declare list with "extern"
> prototype:
>
> extern tList list;
>
> When I compile the module It says me that list is undefined, and I don't
> know what I am doing wrong.
a compilation error or a loading error ?
are you sure to have well defined the type tList in your "client" module ?
may be a shareed header between your modules is missing :)
regards
simon
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next prev parent reply other threads:[~2005-08-24 14:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-24 7:28 Exporting symbols between modules Sergio Paracuellos
2005-08-24 14:59 ` simon guinot [this message]
2005-08-24 15:15 ` Sergio Paracuellos
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