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

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Message-ID: <4B435BFF.10304@suse.cz>
Date:	Tue, 05 Jan 2010 16:34:23 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	Arjan van de Ven <arjan@...ux.intel.com>
Cc:	Rabin Vincent <rabin@....in>, Simon Horman <horms@...ge.net.au>,
	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 5.1.2010 16:06, Arjan van de Ven wrote:
> 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,

Was this an Acked-by? :)


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

I added the patch to the kbuild tree. () won't appear in the x86 Code:
line, so there should be no problem.

Michal
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