Messages in this thread | | | Subject | Re: [patch] fastcall-2.3.32-B6, SYSENTER/SYSEXIT support | From | Ulrich Drepper <> | Date | 12 Dec 1999 11:05:15 -0800 |
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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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