From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Jelinek Subject: Re: Re: NPTL/TLS "emulation" idea (fwd) Date: Wed, 20 Oct 2004 13:09:25 -0400 Sender: xen-devel-admin@lists.sourceforge.net Message-ID: <20041020170925.GW31909@devserv.devel.redhat.com> References: Reply-To: Jakub Jelinek Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Rik van Riel Cc: Keir Fraser , xen-devel@lists.sourceforge.net, jakub@redhat.com, roland@redhat.com List-Id: xen-devel@lists.xenproject.org On Wed, Oct 20, 2004 at 12:55:22PM -0400, Rik van Riel wrote: > 4. Provide an alternative libc that does the +ve accesses (which are > libc private, afaik) in another segment. This does not break the > ABI for userland programs and -ve accesses aren't that bad when > there are no +ve accesses in the same segment. No, the ABI uses -ve accesses and %gs:0 (4 bytes there), +ve accesses above +4 are glibc private. Jakub ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl