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Re: [rfa/dwarf] Support for attributes pointing to a different CU


Jim Blandy <jimb@redhat.com> writes:
> I take it the reason we can't just fill in all the per_cu->psymtab
> values when we build the psymtabs in the first place is that we don't
> actually build the CU index until we see a CU that contains (or might
> contain) inter-CU references.  So we'd have to go back and record the
> psymtabs we'd already created anyway.  Is that right?
> 
> We're constructing a psymtab for every CU we see; does it save much
> time or space to avoid creating a twenty-byte structure as well?  I
> understand that this is time- and space-critical code, but if the hair
> isn't a noticable win, I'd rather it not go in.

And dwarf2_build_psymtabs_hard and psymtab_to_symtab_1 could be
simplified.


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