From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <libc-hacker-return-4978-listarch-libc-hacker=sourceware.cygnus.com@sources.redhat.com>
Received: (qmail 19920 invoked by alias); 1 Mar 2002 00:58:57 -0000
Mailing-List: contact libc-hacker-help@sources.redhat.com; run by ezmlm
Precedence: bulk
List-Subscribe: <mailto:libc-hacker-subscribe@sources.redhat.com>
List-Archive: <http://sources.redhat.com/ml/libc-hacker/>
List-Post: <mailto:libc-hacker@sources.redhat.com>
List-Help: <mailto:libc-hacker-help@sources.redhat.com>, <http://sources.redhat.com/ml/#faqs>
Sender: libc-hacker-owner@sources.redhat.com
Received: (qmail 19856 invoked from network); 1 Mar 2002 00:58:53 -0000
Received: from unknown (HELO rwcrmhc54.attbi.com) (216.148.227.87)
  by sources.redhat.com with SMTP; 1 Mar 2002 00:58:53 -0000
Received: from ocean.lucon.org ([12.234.16.87]) by rwcrmhc54.attbi.com
          (InterMail vM.4.01.03.27 201-229-121-127-20010626) with ESMTP
          id <20020301005853.NIIJ1214.rwcrmhc54.attbi.com@ocean.lucon.org>;
          Fri, 1 Mar 2002 00:58:53 +0000
Received: by ocean.lucon.org (Postfix, from userid 1000)
	id 5C8F7125C0; Thu, 28 Feb 2002 16:58:52 -0800 (PST)
Date: Thu, 28 Feb 2002 16:58:00 -0000
From: "H . J . Lu" <hjl@lucon.org>
To: Ulrich Drepper <drepper@redhat.com>
Cc: GNU libc hacker <libc-hacker@sources.redhat.com>,
	binutils@sources.redhat.com
Subject: Re: [David Mosberger <davidm@hpl.hp.com>] problem with unwind info for .init/.fini sections
Message-ID: <20020228165851.A26168@lucon.org>
References: <m3g03lfd1g.fsf@myware.mynet>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
User-Agent: Mutt/1.2.5i
In-Reply-To: <m3g03lfd1g.fsf@myware.mynet>; from drepper@redhat.com on Thu, Feb 28, 2002 at 02:37:47PM -0800
X-SW-Source: 2002-02/txt/msg00159.txt.bz2

On Thu, Feb 28, 2002 at 02:37:47PM -0800, Ulrich Drepper wrote:
> Another mail from David.  He'll eventually manage to get the mailing
> list handler to accept his machine.
> 

> From: David Mosberger <davidm@hpl.hp.com>
> Content-Type: text/plain; charset=us-ascii
> Content-Transfer-Encoding: 7bit
> Message-ID: <15486.41523.514655.290242@napali.hpl.hp.com>
> Date: Thu, 28 Feb 2002 13:33:39 -0800
> To: <binutils@sources.redhat.com>
> Cc: "David Mosberger" <davidm@hpl.hp.com>, Cary Coutant <cary@cup.hp.com>,
>         <linux-ia64@linuxia64.org>, libc-hacker@sources.redhat.com
> Subject: Re: [Linux-ia64] problem with unwind info for .init/.fini sections
> In-Reply-To: <200202271920.LAA10765@adlmail.cup.hp.com>
> References: <200202271920.LAA10765@adlmail.cup.hp.com>
> X-Mailer: VM 7.01 under Emacs 21.1.1
> Reply-To: davidm@hpl.hp.com
> X-URL: http://www.hpl.hp.com/personal/David_Mosberger/
> MIME-Version: 1.0
> 
> >>>>> On Wed, 27 Feb 2002 11:19:30 -0800, Cary Coutant <cary@cup.hp.com> said:
> 
>   >> I can think of two approaches:
>   >> ...
>   >> Anybody else have a better idea or other comments?
> 
>   Cary> (3) Use the .init_array and .fini_array sections instead.
> 
> This would be by far the cleanest solution.
> 
> How well is this supported in binutils at the moment?  I see some
> references to it, but am not sure whether there are any holes in its
> support.
> 
> Are there any reasons *not* to switch to .init_array/.fini_array as
> the primary init/fini mechanism?  Besides fixing the unwind problem,
> it seems to me it's generally just a much cleaner solution and should
> allow us to get rid of some rather ugly hacks in glibc.
> 
> 	--david

I am not sure if .init_array/.fini_array are supported. It will be nice
to add them to binutils. 


H.J.