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SubjectRe: [patch] fastcall-2.3.32-B6, SYSENTER/SYSEXIT support
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Richard Gooch <rgooch@ras.ucalgary.ca> writes:

> > > I propose a much simpler abstraction: set up a global page (which
> > > always appears at a fixed address in user-space), and set up a jump
> > > table. Have one jump vector per system call. That's the ABI. End of
> > > story.
> >
> > I really like that.
>
> Thanks.

This introduces major problems. What about libraries/programs which
make syscalls which are not available on the system? The libc relies
on unimplemented syscalls return ENOSYS.

--
---------------. drepper at gnu.org ,-. 1325 Chesapeake Terrace
Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA
Cygnus Solutions `--' drepper at cygnus.com `------------------------

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