Knowing kernel module load address (insmod hasn't -m)

Knowing kernel module load address (insmod hasn't -m)

[Antonio Di Bacco]

Hi all,

where can be read at which memory address a module was loaded. I use the bb 
insmod that doesn't provide -m option.

Bye,
Antonio.

Re: Knowing kernel module load address (insmod hasn't -m)

[Ben Warren]

cat /proc/modules

If you want more detailed information about a module (locations
of .text, .data, .bss etc), enable CONFIG_KALLSYMS in your kernel and
you'll see lots of goodness in the /sys/module/<YOUR MODULE>/sections
directory.

Do yourself a favor and browse http://lwn.net/Articles/driver-porting/
where Jon Corbet has written a really good series of articles about
modules and device drivers in the 2.6 kernel.

cheers,
Ben

On Thu, 2006-07-13 at 22:38 +0200, Antonio Di Bacco wrote:
> Hi all,
> 
> where can be read at which memory address a module was loaded. I use the bb 
> insmod that doesn't provide -m option.
> 
> Bye,
> Antonio.
> _______________________________________________
> Linuxppc-embedded mailing list
> Linuxppc-embedded@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-embedded

Re: Knowing kernel module load address (insmod hasn't -m)

[Antonio Di Bacco]

> cat /proc/modules
>
> If you want more detailed information about a module (locations
> of .text, .data, .bss etc), enable CONFIG_KALLSYMS in your kernel and

Does this option exist in kernel 2.4 too? I didn't find it!

Thank you,
Antonio.

Re: Knowing kernel module load address (insmod hasn't -m)

[Ben Warren]

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/proc/modules support is in 2.4, but the other stuff is 2.6 only (I
believe somewhere around 2.6.11 or so?)  You should be able to 'insmod
-m' in 2.4.  You may need to reconfigure busybox or use a non-busybox
'insmod', though.

cheers,
Ben
 
On Thu, 2006-07-13 at 23:27 +0200, Antonio Di Bacco wrote:

> > cat /proc/modules
> >
> > If you want more detailed information about a module (locations
> > of .text, .data, .bss etc), enable CONFIG_KALLSYMS in your kernel and
> 
> Does this option exist in kernel 2.4 too? I didn't find it!
> 
> Thank you,
> Antonio.

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Re: Knowing kernel module load address (insmod hasn't -m)

[antonio.dibacco]

I enabled the -m option for insmod in the busybox as adviced by you and now 
I can see the address of all the modules I load.

Really amazing. 

Thank you for you help,
Antonio.