From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3196 invoked by alias); 6 Mar 2003 16:00:09 -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 3172 invoked from network); 6 Mar 2003 16:00:08 -0000 Received: from unknown (HELO kerberos.suse.cz) (195.47.106.10) by 172.16.49.205 with SMTP; 6 Mar 2003 16:00:08 -0000 Received: from chimera.suse.cz (chimera.suse.cz [10.20.0.2]) by kerberos.suse.cz (SuSE SMTP server) with ESMTP id E86FC59D362; Thu, 6 Mar 2003 17:00:07 +0100 (CET) Received: from suse.cz (naga.suse.cz [10.20.1.16]) by chimera.suse.cz (8.11.0/8.11.0/SuSE Linux 8.11.0-0.4) with ESMTP id h26G07426323; Thu, 6 Mar 2003 17:00:07 +0100 X-Authentication-Warning: chimera.suse.cz: Host naga.suse.cz [10.20.1.16] claimed to be suse.cz Message-ID: <3E677087.70000@suse.cz> Date: Thu, 06 Mar 2003 16:00:00 -0000 From: Michal Ludvig Organization: SuSE CR User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20021130 X-Accept-Language: cs, cz, en MIME-Version: 1.0 To: Andrew Cagney Cc: GDB Patches Subject: Re: [patch/rfc] Add a sentinel frame References: <3E305670.3020700@redhat.com> <3E48378E.6090007@suse.cz> <3E492953.8010001@redhat.com> <3E52173B.1030800@suse.cz> <3E538770.6070209@redhat.com> <3E5B98D8.3030002@suse.cz> <3E5BAB7D.8090801@redhat.com> <3E5BD957.9010605@suse.cz> <3E5BDCBD.2030205@redhat.com> <3E5C7512.2080207@suse.cz> <3E5E58FC.3080704@redhat.com> <3E5F5DEE.3030505@suse.cz> <3E5F8559.1020708@redhat.com> <3E663605.6030105@suse.cz> <3E664100.4010009@redhat.com> In-Reply-To: <3E664100.4010009@redhat.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2003-03/txt/msg00138.txt.bz2 Andrew Cagney wrote: > This method needs to unwind register value's from the NEXT_FRAME and > then use that to determine the dummy frame's ID. The d10v's > implementation (not yet committed) looks like: So could that be something like this? So far it works pretty well... +static void +x86_64_save_dummy_frame_tos (CORE_ADDR sp) +{ + /* We must add the size of the return address that is already + put on the stack. */ + generic_save_dummy_frame_tos (sp + sizeof(CORE_ADDR)); +} + +struct frame_id +x86_64_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *frame) +{ + struct frame_id id; + + id.pc = frame_pc_unwind (frame); + frame_unwind_unsigned_register (frame, SP_REGNUM, &id.base); + + return id; +} + Michal Ludvig -- * SuSE CR, s.r.o * mludvig@suse.cz * (+420) 296.545.373 * http://www.suse.cz