From owner-freebsd-threads@FreeBSD.ORG  Thu Mar 22 18:24:54 2007
Return-Path: <owner-freebsd-threads@FreeBSD.ORG>
X-Original-To: freebsd-threads@freebsd.org
Delivered-To: freebsd-threads@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 1D0F216A406
	for <freebsd-threads@freebsd.org>; Thu, 22 Mar 2007 18:24:54 +0000 (UTC)
	(envelope-from kip.macy@gmail.com)
Received: from wx-out-0506.google.com (wx-out-0506.google.com [66.249.82.230])
	by mx1.freebsd.org (Postfix) with ESMTP id B97CF13C4C8
	for <freebsd-threads@freebsd.org>; Thu, 22 Mar 2007 18:24:53 +0000 (UTC)
	(envelope-from kip.macy@gmail.com)
Received: by wx-out-0506.google.com with SMTP id s18so832102wxc
	for <freebsd-threads@freebsd.org>; Thu, 22 Mar 2007 11:24:53 -0700 (PDT)
DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta;
	h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
	b=fLNCHimhHBkBMgUB5OdJVXFIrITQJSGYWwD+VSfop8vWDj6Zp9P/G5OXApIMO/+muQz3q169KovuiVG42zILL+BXunaIck1jvJqKxa+shf/vSnAujUW4or7GrhbA1Bg8vyVxegS1Ux4eahCl7GzqpdC/kD3wSkbbdEQU/X0CBvo=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta;
	h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
	b=JtFxRjv313aC0MswSe3iuFlpFkL3oqy1hJK7DFMpQzK0YELionu+NQ2E6pkKcVewyoZcNcdx2xAdlNztZE8Rd8GBvWxlFFKm6g4y6P5OP0cMesMahvqu7qd/ixkiAu9feZkexDRJxe13TTMyDrvY/UlOiYPTo0RIbDwdwbUIsXc=
Received: by 10.90.84.17 with SMTP id h17mr4013710agb.1174587892652;
	Thu, 22 Mar 2007 11:24:52 -0700 (PDT)
Received: by 10.90.116.6 with HTTP; Thu, 22 Mar 2007 11:24:52 -0700 (PDT)
Message-ID: <b1fa29170703221124l5a3be08fo6fa036866200e02c@mail.gmail.com>
Date: Thu, 22 Mar 2007 11:24:52 -0700
From: "Kip Macy" <kip.macy@gmail.com>
To: "Daniel Eischen" <deischen@freebsd.org>
In-Reply-To: <Pine.GSO.4.64.0703221410310.9927@sea.ntplx.net>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
References: <2779e6080703220210u321522c7l40cf8555cfdc2404@mail.gmail.com>
	<4602B28C.1020204@elischer.org>
	<Pine.GSO.4.64.0703221312150.9927@sea.ntplx.net>
	<4602C49D.3080109@frebsd.org>
	<Pine.GSO.4.64.0703221410310.9927@sea.ntplx.net>
Cc: Jason Evans <jasone@frebsd.org>, freebsd-threads@freebsd.org
Subject: Re: lipthread and TLS
X-BeenThere: freebsd-threads@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Threading on FreeBSD <freebsd-threads.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-threads>, 
	<mailto:freebsd-threads-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-threads>
List-Post: <mailto:freebsd-threads@freebsd.org>
List-Help: <mailto:freebsd-threads-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-threads>,
	<mailto:freebsd-threads-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 22 Mar 2007 18:24:54 -0000

On 3/22/07, Daniel Eischen <deischen@freebsd.org> wrote:
> On Thu, 22 Mar 2007, Jason Evans wrote:
>
> > Daniel Eischen wrote:
> >> The toolchain itself should support TLS, so that's probably
> >> the place to look, as well as src/libexec/rtld-elf/.  The
> >> libpthread library does not use TLS itself, and I don't
> >> think anything (yet) uses TLS in libc or in our base system,
> >> though I could be wrong.
> >
> > malloc uses TLS.
>
> Well, I stand corrected then.  If you need to get MIPS up
> and running without TLS, you may need to hack malloc()
> and anything else that uses TLS to temporarily use
> pthread_[gs]etspecific()...

You won't be able to use TLS unless:
a) initialization works in libc - it was broken on sparc64 until
recently for both static and dynamic linking
b) your linker supports it - the current binutils is very much out of
date, users needing it will have to build a private toolchain