From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21912 invoked by alias); 5 Dec 2003 02:11:30 -0000 Mailing-List: contact gdb-patches-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sources.redhat.com Received: (qmail 21892 invoked from network); 5 Dec 2003 02:11:29 -0000 Received: from unknown (HELO frothingslosh.sfbay.redhat.com) (66.187.237.200) by sources.redhat.com with SMTP; 5 Dec 2003 02:11:29 -0000 Received: from frothingslosh.sfbay.redhat.com (localhost.localdomain [127.0.0.1]) by frothingslosh.sfbay.redhat.com (8.12.8/8.12.8) with ESMTP id hB52AFOG018750; Thu, 4 Dec 2003 18:10:15 -0800 Received: (from rth@localhost) by frothingslosh.sfbay.redhat.com (8.12.8/8.12.8/Submit) id hB52AFdm018748; Thu, 4 Dec 2003 18:10:15 -0800 X-Authentication-Warning: frothingslosh.sfbay.redhat.com: rth set sender to rth@redhat.com using -f Date: Fri, 05 Dec 2003 02:11:00 -0000 From: Richard Henderson To: Ulrich Weigand Cc: gdb-patches@sources.redhat.com, uweigand@de.ibm.com Subject: Re: [PATCH] S/390 DWARF-2 CFI frame support Message-ID: <20031205021015.GA18736@redhat.com> References: <20031205004756.GA18170@redhat.com> <200312050203.DAA08025@faui1d.informatik.uni-erlangen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200312050203.DAA08025@faui1d.informatik.uni-erlangen.de> User-Agent: Mutt/1.4i X-SW-Source: 2003-12/txt/msg00180.txt.bz2 On Fri, Dec 05, 2003 at 03:03:52AM +0100, Ulrich Weigand wrote: > However, there is one point that requires special consideration > in any case: what if the stack pointer is unspecified? On s390, > treating it as preserved from the inner frame is correct, but > on i386 and other platforms I guess this would be wrong -- it > needs to be set to the CFA there (which is wrong on s390 due > to the CFA bias we have). I thought s390 always provided a REG_SAVED for the stack pointer? r~