Re: [avr-gcc-list] Assembly language help for a noob

[Gre7g Luterman]

Ah oh well.  At least I am not kicking myself for
doing something the hard way all this time!  I
probably would have been really bummed out to find out
I could have saved a lot of work, starting months ago.

Thanks for all the insights,

Gre7g

--- Joerg Wunsch <address@hidden> wrote:
> In theory, by passing the option -gdwarf2 down to
> the assembler (by
> prefixing it with -Wa, when called from the
> compiler).
> 
> However, this is currently broken for DWARF-2.  (It
> would work for
> stabs, as -gstabs, but that's not supported by AVR
> Studio.)  The point
> is, nobody really implemented DWARF-2 debugging for
> the AVR target.
> Everything we've got so far has simply been
> inherited by the
> mainstream GCC targets (i386, x86_64) moving to
> DWARF-2.  It might be
> simple to fix it (-gdwarf2 *does* work on the i386
> target), but it
> requires someone needing it badly enough to really
> do it.
> 
> > Secondly, is there a good way to refer to offsets
> into a C structure
> > within an assembly file?
> 
> Not that I know of.  In C, you can do this with the
> offsetof() macro,
> but the underlying calculations are performed by the
> C compiler, not
> by the preprocessor, so you cannot use them in an
> assembly file.
> 
> -- 
> cheers, J"org               .-.-.   --... ...--  
> -.. .  DL8DTL
> 
> http://www.sax.de/~joerg/                       
> NIC: JW11-RIPE
> Never trust an operating system you don't have
> sources for. ;-)
> 
> 
> _______________________________________________
> AVR-GCC-list mailing list
> address@hidden
>
http://lists.nongnu.org/mailman/listinfo/avr-gcc-list
> 


__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com