linux-kernel - Re: assembly code in the loadable kernel module

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Message-ID: <Pine.LNX.4.61.0704270726080.3369@chaos.analogic.com>
Date:	Fri, 27 Apr 2007 07:27:40 -0400
From:	"linux-os \(Dick Johnson\)" <linux-os@...logic.com>
To:	"Parav K Pandit" <Parav_Pandit@...dtree.com>
Cc:	"linux-kernel" <linux-kernel@...r.kernel.org>
Subject: Re: assembly code in the loadable kernel module

On Fri, 27 Apr 2007, Parav K Pandit wrote:

> Hi,
>
> I have written one function in assembly for my kernel module.
> Function is in module3.s file.
> I have added the module3.o file in the object list in the Makefile.
> But it shows compile time warning and following output.
>
> What do I need to do to compile assembly code in my kernel module.
>
> CC [M]  /home/parav/cache_improve/test_module/module1.o
> CC [M]  /home/parav/cache_improve/test_module/module2.o
> as -a32 -o /home/parav/cache_improve/test_module/module3.o
> /home/parav/cache_improve/test_module/module3.s
> LD [M]  /home/parav/cache_improve/test_module/sdk3_module.o
> Building modules, stage 2.
> MODPOST
> Warning: could not find /home/parav/cache_improve/test_module/.module3.o.cmd
> for /home/parav/cache_improve/test_module/module3.o
> *** Warning: "test_func"
> [/home/parav/cache_improve/test_module/sdk3_module.ko] undefined!
> *** Warning: "" [/home/parav/cache_improve/test_module/sdk3_module.ko]
> undefined!
>
> I expect CC[M] kind of command for the module3.o file also so that
> .module3.o.cmd file gets generated.
>
> Regards,
> Parav Pandit

Just name the source module3.S
                              ^______ not .s
>

Cheers,
Dick Johnson
Penguin : Linux version 2.6.16.24 on an i686 machine (5592.62 BogoMips).
New book: http://www.AbominableFirebug.com/
_
..

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