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Date: Mon, 18 Mar 2002 11:11:46 -0800
From: Jason Li <jli@extremenetworks.com>
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To: Keith Owens <kaos@ocs.com.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: EXPORT_SYMBOL doesn't work
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Keith Owens wrote:
> 
> On Sun, 17 Mar 2002 22:25:16 -0800,
> Jason Li <jli@extremenetworks.com> wrote:
> >int (*fdbIoSwitchHook)(
> >                           unsigned long arg0,
> >                           unsigned long arg1,
> >                           unsigned long arg2)=NULL;
> >EXPORT_SYMBOL(fdbIoSwitchHook);
> >gcc -D__KERNEL__ -I/home/jli/cvs2/exos/linux/include -Wall
> >-Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer
> >-fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2
> >-march=i686    -c -o br_ioctl.o br_ioctl.c
> >br_ioctl.c:26: warning: type defaults to `int' in declaration of
> >`EXPORT_SYMBOL'
> 
> #include <linux/module.h>
> 
> Also add br_ioctl.o to export-objs in Makefile.

Thanks alot. It works.

Now another problem with versioning. It seems even after I have the
following in my module c file the symbol generated is not versioned:

#define MODULE
#include <linux/modversions.h>
#include <linux/kernel.h>

When I do nm on the module, fdbIoSwitchHook is still a pure name without
the version info. Can you please tell me how to enable the versioning
for the symbol fdbIoSwitchHook?

Appreciate your help!

-Jason
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