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Re: My proposal for the libgcc runtime ABI (ia64 gcc/glibc is broken.)

To: Alexandre Oliva <aoliva at redhat dot com>
Subject: Re: My proposal for the libgcc runtime ABI (ia64 gcc/glibc is broken.)
From: Richard Henderson <rth at cygnus dot com>
Date: Tue, 11 Jul 2000 15:21:59 -0700
Cc: Linus Torvalds <torvalds at transmeta dot com>, Geoff Keating <geoffk at cygnus dot com>, gcc at gcc dot gnu dot org
References: <Pine.LNX.4.10.10007111242490.7242-100000@penguin.transmeta.com> <orn1jo4awn.fsf@guarana.lsd.ic.unicamp.br>

On Tue, Jul 11, 2000 at 06:25:28PM -0300, Alexandre Oliva wrote:
> Another idea that occurs to me: couldn't we just make this variable
> non-static, so that dynamic loaders would resolve all references to it
> into a single memory region?

Not really.  If one has a blessed set of EH routines, one can
implement backward compatible interfaces with entry points that
frob the data before it's processed.  If one has global data,
and it appears there as if by magic, one cannot do this.

r~

References:
- Re: My proposal for the libgcc runtime ABI (ia64 gcc/glibc is broken.)
  - From: Linus Torvalds
- Re: My proposal for the libgcc runtime ABI (ia64 gcc/glibc is broken.)
  - From: Alexandre Oliva

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