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Subject: Re: ARM backtrace

Re: ARM backtrace

From: Marcin Bukat <>
Date: Sat, 1 Oct 2011 14:13:16 +0200

2011/10/1 Torne Wuff <>:
> On 1 October 2011 10:32, Marcin Bukat <> wrote:
>> Hello folks,
>> adds backtrace log to the
>> panic screen on ARMs. This is simple port of
>> The approach to take
>> this backtrace is not perfect and has limitations BUT it doesn't need
>> any special symbols or something to unwind stack frames. I am aware
>> that the code itself would need some polish (unneeded typedefs, dos
>> line ends etc.) but first I am interested if we want something like
>> this at all. I played a bit with this inserting asm snippet causing
>> data abort in various places and produced backtrace looked reasonable
>> - still more tests needed.
> Thanks for doing this! I'll experiment with it later, but for now I
> was wondering if you've measured the binsize impact of it? I expect
> it's small since that's the point of the original library, but I'm
> curious exactly what it comes to on Rockbox.
> --
> Torne Wuff

5596 bytes (rk27xx build)
Received on 2011-10-01

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