[PATCH v2] scripts: add ARM support to decodecode

Arjan van de Ven arjan at linux.intel.com
Tue Jan 5 10:06:58 EST 2010


On Tue, 5 Jan 2010 20:27:58 +0530
Rabin Vincent <rabin at rab.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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