linux-kernel - Re: [PATCH v2 2/2] m68knommu: Clean up linker script using new linker script macros.

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Message-ID: <4AD3BFD8.90408@snapgear.com>
Date:	Tue, 13 Oct 2009 09:46:32 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	Tim Abbott <tabbott@...lice.com>
CC:	Greg Ungerer <gerg@...inux.org>, linux-kernel@...r.kernel.org,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: [PATCH v2 2/2] m68knommu: Clean up linker script using new linker
 script macros.

Hi Tim,

Tim Abbott wrote:
> On Thu, 1 Oct 2009, Greg Ungerer wrote:
>> Tim Abbott wrote:
>>> Signed-off-by: Tim Abbott <tabbott@...lice.com>
>>> Cc: Greg Ungerer <gerg@...inux.org>
>> This results in kernels that don't boot for me. I haven't done
>> any more debugging than to just try booting at this time.
> [...]
>> Does that look like what you would have expected?
> 
> Basically.  I'm a bit surprised that the .init_begin section doesn't show 
> up, but I'm pretty sure that this is because .init_begin would have had 
> size zero as the previous section's end was already page-aligned.
> 
>> I suspect the problem may lie in the binary conversion of this
>> elf file to a raw binary for booting. This uses objcopy with
>> "-O binary". The resulting binary files are different in size
>> with and without the patch by about 2582 bytes. Suspicious
>> me thinks.
> 
> I don't any good ideas for what in patch is likely to be responsible.  
> Would it be helpful to debug if I split this into ~5 very small patches so 
> that we can find out what part of the patch is responsible?

Yes, that will make it quick and easy for me.

Thanks
Greg



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Greg Ungerer  --  Principal Engineer        EMAIL:     gerg@...pgear.com
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