[3/4] RFC: add DWARF index support

[Tom Tromey]

>>>>> "Jan" == Jan Kratochvil <jan.kratochvil@redhat.com> writes:

Jan> Frankly, I do not want to reinvent the optimizations for tiny,
Jan> small, medium, compact, large and huge memory models. :-) Any size
Jan> should be 64bit and it is a bug if it is not.

I agree that this was not a great choice for obstacks.  It just seems
unlikely to me that we will be able to get this change in.  Don't we
actually have to change it in glibc?

This is why I assumed we would be better off looking at a different
solution.

Jan> I was reluctant to make review notes on more places using `int'
Jan> memory sizes in your patch.

I'll take a look.

Tom