From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23903 invoked by alias); 5 Dec 2003 02:16:36 -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 23829 invoked from network); 5 Dec 2003 02:16:34 -0000 Received: from unknown (HELO faui10.informatik.uni-erlangen.de) (131.188.31.10) by sources.redhat.com with SMTP; 5 Dec 2003 02:16:34 -0000 Received: from faui1d.informatik.uni-erlangen.de (faui1d [131.188.31.34]) by faui10.informatik.uni-erlangen.de (8.9.3p3/8.1.9-FAU) with ESMTP id DAA27168; Fri, 5 Dec 2003 03:16:32 +0100 (CET) From: Ulrich Weigand Received: (from weigand@localhost) by faui1d.informatik.uni-erlangen.de (8.9.3p3/8.1.6-FAU) id DAA08066; Fri, 5 Dec 2003 03:16:32 +0100 (CET) Message-Id: <200312050216.DAA08066@faui1d.informatik.uni-erlangen.de> Subject: Re: [PATCH] S/390 DWARF-2 CFI frame support To: rth@redhat.com (Richard Henderson) Date: Fri, 05 Dec 2003 02:16:00 -0000 Cc: weigand@i1.informatik.uni-erlangen.de (Ulrich Weigand), gdb-patches@sources.redhat.com, uweigand@de.ibm.com In-Reply-To: <20031205021015.GA18736@redhat.com> from "Richard Henderson" at Dec 04, 2003 06:10:15 PM MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-SW-Source: 2003-12/txt/msg00183.txt.bz2 Richard Henderson wrote: > 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? Except in leaf functions ... Bye, Ulrich -- Dr. Ulrich Weigand weigand@informatik.uni-erlangen.de