Rockbox mail archiveSubject: Re: Using gcc 4.4.0 to compile Rockbox
Re: Using gcc 4.4.0 to compile Rockbox
From: Mark Allums <mark_at_allums.com>
Date: Tue, 24 Feb 2009 04:18:08 -0600
Daniel Stenberg wrote:
> On Tue, 24 Feb 2009, Mark Allums wrote:
>> o It crashes trying to play .mp3 with the error message "Undefined
>> instruction at 40018920 (0)"
>> o It crashes trying to play .wma with a similar error message.
> My suggested approach:
> Use the .map files to track down exactly what function that dies (and
> then you can objdump them to find the exact instruction). Then re-run
> gcc to do assembly output (using -S -fverbose-asm perhaps) for the files
> with both the old and the new gcc and compare the outputs. Hopefully
> that can offer some clues.
I will probably need some coaching here, as I am less experienced than I
should be with the debugging side of things.
However, I'm game.
Received on 2009-02-24