Re: Help Needed in accessing symbols

["Anup Patil" <patil_a@etech.haw-hamburg.de>]

----- Original Message ----- 
From: "Abhinav Bharti" <abhinavbharti@yahoo.com>
To: <kernelnewbies@nl.linux.org>
Sent: Wednesday, October 08, 2003 7:55 AM
Subject: Help Needed in accessing symbols


> Hi,
>  
> I need some help in accessing symbols exported from
> other module.
>  
> One of my modules defines a variable ( say X) and by
> default it is 
> exported > this is also visible in ksyms output.
>  
> But when I try to access it from another module and
> try to print its 
> address It always returns zero and hence any access to
> it crashes the 
> system stating null pointer reference
>  
> I am not able to figure what is going wrong.
>  
> Is it because I am not explicitly exporting the
> symbols
>  
> Help needed.
>  
> Regds,
>  
> Abhinav
> 
> 
> =====
> 
> from the desk of:Abhinav Bharti
> 
>  
> 


To use a symbol from another module , you need to export it. ksyms
will list all the symbol that are currently in the kernel. Not all 
will be exported.

--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive:       http://mail.nl.linux.org/kernelnewbies/
FAQ:           http://kernelnewbies.org/faq/