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Re: vtable emission, COMDAT, and ELF
- To: "Matt Austern" <austern@xxxxxxxxxxxxxxxxxxx>, "C++ ABI" <cxx-abi@xxxxxxxxxxxx>
- Subject: Re: vtable emission, COMDAT, and ELF
- From: Cary Coutant <cary@xxxxxxxxxx>
- Date: Wed, 14 Jul 1999 18:07:11 -0700
>I know that some of you are already using COMDAT sections this
>way. Have you found this a problem, and, if so, how have you
>dealt with it?
We recognize the potential problem, but have not yet hit the limit. We've
implemented an experimental solution, using the st_other field to provide
eight more bits of symbol index (and using a field in section header
number 0 to provide the section count), but that conflicts with the
symbol export class added by the IA-64 ABI group (as proposed by SGI).
It's likely that we'll implement a real solution using a parallel symbol
table to provide a longer section index.
-cary
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