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Subject: Re: alignment errors
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On 11/12/2010 12:25 PM, Jaap de Jong wrote:
> Hi,
> 
> I'm working on a recipe for ptpd2.
> When I run it on my armv5te I get traps:
> 
> [ 5034.410000] Alignment trap: ptpd2 (523) PC=0x0000e7cc Instr=0xe5870004
> Address=0x0001d459 FSR 0x801
> 
> What is the best way to tackle this?
> Do I have to add "__attribute__ ((packed))" on critical places?
>

use addr2line or gdb (if this is inside a library) to get the method/code that
is triggering that and then see what it looks like. In most cases the easiest
way to get around this is to use memcpy or such.