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

From: Arjan van de Ven
Date: Tue Jan 05 2010 - 10:04:54 EST


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

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Arjan van de Ven Intel Open Source Technology Centre
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