> Indeed, I have patch gdb to work around the inaccurate CIE.

Great.

> No, they don't.  Apparently, EH frame unwinding doesn't need
> correct CIE data.

Of course EH unwinding needs strictly correct CFI, simply not
everything is in the CIE.

> Debugging does.

I fail to see why, at least on SPARC, %o7 should be good enough.

-- 
Eric Botcazou

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