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Subject: Re: ARM backtrace

Re: ARM backtrace

From: Manuel Dipolt <manuel.dipolt_at_liwest.at>
Date: Sun, 02 Oct 2011 12:07:29 +0200

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Marcin Bukat <marcin.bukat_at_gmail.com> schrieb:

>> I've only kept the function names, keeping all the symbols would be insane.
>> Compression is an interesting idea. With lzma -9, it goes down to 16Kib but
>> of course that would mean we need a decompressor so one would need to take
>> its size into account (I think there is a light lzma decompressor which fits
>> in a few Kb).
>
>After thinking a bit I think we should simply append symbol table at
>the end of rockbox binary and make loader aware of it (and don't load
>it on boot). We can load it from within UIE if we are in a state where
>it is possible (and the state where it is impossible to load from
>storage will not produce backtrace anyway I guess). The second benefit
>would be that we have coupled map with binary - something amiconn
>wanted. This way at the tiny cost of slightly increase in distributed
>binary (but not at the cost of mem usage) we can have symbols +
>possibly backtrace.
>
>wo
Received on 2011-10-02


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