Re: [Gcl-devel] Re: ia64 function descriptors and unexec
Greetings, and thanks for your reply!
Andreas Schwab <schwab@suse.de> writes:
> Camm Maguire <camm@enhanced.com> writes:
>
> > To sum up the previous discussion, the ia64 linux ABI apparently
> > offers no opportunity for ld.so to ensure that function descriptors
> > remain constant, even over successive executions of the same binary on
> > the same machine.
>
> There is no problem with statically initialized function pointers, only
> for assigned pointer at runtime. The function descriptors for the former
> are generated at compile time and won't ever change.
>
OK, but I need saved runtime-initialized function pointers. Do you
have either a reference for how xemacs has handled this, or a contact
person who might know? Was there ever a GNU emacs obstacle on ia64
linux, or am I confusing the situation with xemacs?
Take care,
> > I believe that this issue stood in the way of an emacs port to ia64
> > linux for some time,
>
> There is no such problem with GNU Emacs. Only XEmacs has this problem.
>
> Andreas.
>
> --
> Andreas Schwab, SuSE Labs, schwab@suse.de
> SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg
> Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
> "And now for something completely different."
>
>
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>
>
--
Camm Maguire camm@enhanced.com
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