linux-kernel - Re: [PATCH v2] scripts: add ARM support to decodecode

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Message-ID: <20100105070658.766317d2@linux.intel.com>
Date:	Tue, 5 Jan 2010 07:06:58 -0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Rabin Vincent <rabin@....in>
Cc:	Simon Horman <horms@...ge.net.au>, mmarek@...e.cz,
	wangcong@...ux.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] scripts: add ARM support to decodecode

On Tue, 5 Jan 2010 20:27:58 +0530
Rabin Vincent <rabin@....in> wrote:

> This patch adds support for decoding ARM oopses to scripts/decodecode.
> The following things are handled:
> 
>  - ARCH and CROSS_COMPILE environment variables are respected.
> 
>  - The Code: in x86 oopses is in bytes, while it is in either words (4
>    bytes) or halfwords for ARM.
> 
>  - Some versions of ARM objdump refuse to disassemble instructions
>    generated by literal constants (".word 0x...").  The workaround is
> to strip the object file first.
> 
>  - The faulting instruction is marked (liked so) in ARM, but <like so>
>    in x86.
> 
>  - ARM mnemonics may include characters such as [] which need to be
>    escaped before being passed to sed for the "<- trapping
> instruction" substitution.


I'm fine with this, but I wonder if ARM could switch to the <>
convention for the faulting instruction, just to keep things
consistent..

-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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