Date: Sun, 27 Jun 2004 11:01:51 +0100 From: Doug Rabson <dfr@nlsystems.com> To: freebsd-current@freebsd.org Cc: Julian Elischer <julian@elischer.org> Subject: Re: Does -CURRENT's gcc generate ___tls_get_addr under any Message-ID: <200406271101.51876.dfr@nlsystems.com> In-Reply-To: <20040627041847.GA45235@dragon.nuxi.com> References: <20040626231720.GB11573@dragon.nuxi.com> <Pine.BSF.4.21.0406261638260.69164-100000@InterJet.elischer.org> <20040627041847.GA45235@dragon.nuxi.com>
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On Sunday 27 June 2004 05:18, David O'Brien wrote: > On Sat, Jun 26, 2004 at 04:39:33PM -0700, Julian Elischer wrote: > > On Sat, 26 Jun 2004, David O'Brien wrote: > > > On Fri, Jun 25, 2004 at 02:15:04PM -0700, Julian Elischer wrote: > > > > On Fri, 25 Jun 2004, Joe Marcus Clarke wrote: > > > > > On Fri, 2004-06-25 at 16:44, John Merryweather Cooper wrote: > > > > > > I'm working on porting (and getting fully working) > > > > > > lang/mono version 0.96, and I'm having a problem. In one > > > > > > of my object files--mini.lo--I'm getting an extern > > > > > > reference to ___tls_get_addr. I've been over the source > > > > > > code in mini.c > > > > > > ... > > > > > > > TLS is coming.. it's just not here yet.. > > > > > > By whom? I've done the part I committed to. Yet I've heard > > > nothing else about TLS in the two weeks after it was possible to > > > start work on the next part. > > > > Doug Rabson has partly working TLS in p4 and last I heard was > > awaiting some comments from the nvidia people who would be our > > first users of TLS. > > DFR has TLS particially working on i386-only (and in a way that > didn't need a Binutils upgrade to 2.15...). i386-only isn't > acceptable, and the deal with me if I went thru all the work to do a > binutils upgrade was that others would come along after that and make > TLS work on all FreeBSD platforms. Please, anyone who has time and hardware, look at (and fix) branches/kse in P4. I have typed in stubs for most architectures but the only non-i386 arch which is even close to compiling is ia64. The document http://people.redhat.com/drepper/tls.pdf is an invaluable source for the details of TLS on any particular architecture. There are simple test cases in tools/regression/tls. I believe that with the new binutils and existing compiler, support should be possible for i386, ia64 and amd64. The others probably need gcc 3.4.
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