linker problem with xip kernel and recent toolchains

[mkl@pengutronix.de (Marc Kleine-Budde)]

On 12/11/2012 07:11 PM, Pawel Moll wrote:
> On Tue, 2012-12-11 at 13:43 +0000, Marc Kleine-Budde wrote:
>> What about putting the notes section into the read only segment, i.e.
>> the ROM?
> 
> Could you, please, try the change below? It seems to do the job for me.

Works for me. The kernel image links to 640 KiB again.

> 8<-------------------------
> From 01fe7810cfded11aff03d216d2adbcf673e78f65 Mon Sep 17 00:00:00 2001
> From: Pawel Moll <pawel.moll@arm.com>
> Date: Tue, 11 Dec 2012 18:09:14 +0000
> Subject: [PATCH] ARM: vmlinux.lds: Move .notes section next to the rodata
> 
> The .notes, being read-only data by nature, was placed between
> read-write .data and .bss. This was harmful in case of XIP
> images, as it was placed in the RAM range, most likely far
> from the ROM address, inflating the XIP images.
> 
> Moving the .notes at the end of the read-only section
> (consisting of .text, .rodata and unwind info) fixes the problem.
> 
> Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>

Marc

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