linux-kernel - Re: [PATCH] m68knommu: missing sections for linker script

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Message-ID: <4827D429.6060708@snapgear.com>
Date:	Mon, 12 May 2008 15:22:49 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] m68knommu: missing sections for linker script

Hi Sam,

Sam Ravnborg wrote:
> On Wed, May 07, 2008 at 10:52:39AM +1000, Greg Ungerer wrote:
>> Inlucde the missing kcrctab and kcrctab_unused sections into the
>> m68knommu linker script.
>>
>> Signed-off-by: Greg Ungerer <gerg@...inux.org>
>> ---
>>
>> diff -Naurp linux-2.6.25-rc1/arch/m68knommu/kernel/vmlinux.lds.S linux-2.6.25-rc1-uc0/arch/m68knommu/kernel/vmlinux.lds.S
>> --- linux-2.6.25-rc1/arch/m68knommu/kernel/vmlinux.lds.S	2008-05-06 14:52:00.000000000 +1000
>> +++ linux-2.6.25-rc1-uc0/arch/m68knommu/kernel/vmlinux.lds.S	2008-05-06 16:56:47.000000000 +1000
>> @@ -114,6 +114,16 @@ SECTIONS {
>>  		*(__kcrctab_gpl)
>>  		__stop___kcrctab_gpl = .;
>>  
>> +		/* Kernel symbol table: Normal unused symbols */
>> +		__start___kcrctab_unused = .;
>> +		*(__kcrctab_unused)
>> +		__stop___kcrctab_unused = .;
>> +
>> +		/* Kernel symbol table: GPL-only unused symbols */
>> +		__start___kcrctab_unused_gpl = .;
>> +		*(__kcrctab_unused_gpl)
>> +		__stop___kcrctab_unused_gpl = .;
>> +
>>  		/* Kernel symbol table: GPL-future symbols */
>>  		__start___kcrctab_gpl_future = .;
>>  		*(__kcrctab_gpl_future)
> 
> Hi Greg.
> 
> Any specific reasons why m68knommu does
> not use include/asm-generic/vmlinux-lds.h?
> 
> There are defined there as well as many other common things.

I would very much like to use the common defines in vmlinux-lds.h.

And historically it goes back to wanting to be able to directly
build ROM based kernels. There has been a couple of threads on
this over th years, this one http://lkml.org/lkml/2003/1/21/213
touches on it. I think there is more before this too, but I couldn't
find a link to it just now.

Sebastians patch in this thread goes to resolving this. I haven't
had a good look over it yet though.

Regards
Greg



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Greg Ungerer  --  Chief Software Dude       EMAIL:     gerg@...pgear.com
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