From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <java-return-26970-listarch-java=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 14136 invoked by alias); 10 Oct 2011 10:33:10 -0000
Received: (qmail 14120 invoked by uid 22791); 10 Oct 2011 10:33:09 -0000
X-SWARE-Spam-Status: No, hits=-6.9 required=5.0	tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,SPF_HELO_PASS,TW_BJ,TW_IB
X-Spam-Check-By: sourceware.org
Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 10 Oct 2011 10:32:54 +0000
Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22])	by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p9AAWptD022958	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK);	Mon, 10 Oct 2011 06:32:51 -0400
Received: from zebedee.pink (ovpn-113-55.phx2.redhat.com [10.3.113.55])	by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id p9AAWmAZ029167;	Mon, 10 Oct 2011 06:32:49 -0400
Message-ID: <4E92C9D0.10106@redhat.com>
Date: Mon, 10 Oct 2011 10:33:00 -0000
From: Andrew Haley <aph@redhat.com>
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.22) Gecko/20110906 Fedora/3.1.14-1.fc14 Thunderbird/3.1.14
MIME-Version: 1.0
To: Matthias Klose <doko@ubuntu.com>
CC: Paul Brook <paul@codesourcery.com>, gcc-patches@gcc.gnu.org,        GCC Java <java@gcc.gnu.org>,        Nicola Pero <nicola.pero@meta-innovation.com>
Subject: Re: [patch] C6X unwinding/exception handling
References: <201108041531.58790.paul@codesourcery.com> <201109131348.13087.paul@codesourcery.com> <4E9180F5.3050203@ubuntu.com>
In-Reply-To: <4E9180F5.3050203@ubuntu.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
X-IsSubscribed: yes
Mailing-List: contact java-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <java.gcc.gnu.org>
List-Id: <java.gcc.gnu.org>
List-Subscribe: <mailto:java-subscribe@gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/java/>
List-Post: <mailto:java@gcc.gnu.org>
List-Help: <mailto:java-help@gcc.gnu.org>, <http://gcc.gnu.org/ml/#faqs>
Sender: java-owner@gcc.gnu.org
X-SW-Source: 2011-10/txt/msg00002.txt.bz2

On 10/09/2011 12:09 PM, Matthias Klose wrote:
> This did break libobjc and libjava on arm-linux-gnueabi.
>
> libobjc now has an undefined reference to _Unwind_decode_target2, which can be
> avoided with
>
> --- libobjc/exception.c.orig    2011-07-21 15:33:57.000000000 +0000
> +++ libobjc/exception.c 2011-10-09 10:53:12.554940776 +0000
> @@ -182,7 +182,7 @@
>    _Unwind_Ptr ptr;
>
>    ptr = (_Unwind_Ptr) (info->TType - (i * 4));
> -  ptr = _Unwind_decode_target2 (ptr);
> +  ptr = _Unwind_decode_typeinfo_ptr (info->ttype_base, (_Unwind_Word) ptr);
>
>    /* NULL ptr means catch-all.  Note that if the class is not found,
>       this will abort the program.  */
>
> libjava fails to build, the same change doesn't work for libjava/exception.cc,
> because the struct lsda_header_info in exception.cc is missing the ttype_base
> member. Any suggestions?

Is this fixable without backing out Paul Brooks' patch?

Andrew.