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Re: S/390: Default to -fasynchronous-unwind-tables


On Fri, Nov 15, 2002 at 06:05:35PM +0100, Ulrich Weigand wrote:
> Hello,
> 
> this switches on the DWARF-2 unwind data for all functions by default.
> 
> Thanks to Jan Hubicka for pointing out the correct way to do so.
> 
> Bootstrapped/regtested on s390-ibm-linux and s390x-ibm-linux.
> 
> (Note: a not-yet-published patch to gdb is necessary to actually exploit
> the DWARF-2 data for backtraces on s390.)

Should we be thinking about doing this on more architectures?  It would
be nice to use this in preference to the terrifying MIPS-specific
unwinder, for instance...

How bad is the space penalty, and is there a way to mark EH tables as
removable if they're only needed for debugging (vs. for -fexceptions)?

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer


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