Re: [avr-gcc-list] avr-gcc dwarf-2 debug format.

[E. Weddington]

Joerg Wunsch wrote:

> Jeff Kowing <address@hidden> wrote:
>
>  
>
> > > What flags or patches are needed when building avr-gcc to enable
> > > the dwarf-2 debug support ?
> > >      
>
>  
>
> > I believe you need to add --with-dwarf2
> > to the configure arguments.
> >    
>
> I think that will also make it the default debugging format
> though.
>
> If you'd like to add the ability to use -gdwarf-2 but still
> defaulting -g to -gstabs, use this patch:
>
> --- gcc/config/avr/avr.h.orig   Tue Mar  9 03:59:55 2004
> +++ gcc/config/avr/avr.h        Sun Jul  4 21:46:12 2004
> @@ -2479,4 +2479,5 @@
> /* zero register r1 */
> #define ZERO_REGNO 1
>
> +#define DWARF2_DEBUGGING_INFO 1
> #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
>
>  
FYI, I changed the latest release of WinAVR to default -g to dwarf-2, 
i.e. it no longer uses the above patch.