From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21859 invoked by alias); 30 May 2003 20:21:15 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 21815 invoked from network); 30 May 2003 20:21:14 -0000 Received: from unknown (HELO zenia.red-bean.com) (12.223.225.216) by sources.redhat.com with SMTP; 30 May 2003 20:21:14 -0000 Received: from zenia.red-bean.com (localhost.localdomain [127.0.0.1]) by zenia.red-bean.com (8.12.5/8.12.5) with ESMTP id h4UKUJFq007882; Fri, 30 May 2003 15:30:20 -0500 Received: (from jimb@localhost) by zenia.red-bean.com (8.12.5/8.12.5/Submit) id h4UKUJbw007878; Fri, 30 May 2003 15:30:19 -0500 To: Andrew Cagney Cc: Mark Kettenis , mludvig@suse.cz, gdb@sources.redhat.com, Alexandre Oliva Subject: Re: dwarf-frame.c question References: <3ED381CB.5050207@suse.cz> <200305291544.h4TFi7aL031832@elgar.kettenis.dyndns.org> <3ED66564.1020506@redhat.com> <200305292222.h4TMMmGm000694@elgar.kettenis.dyndns.org> <3ED693F5.9040108@redhat.com> From: Jim Blandy Date: Fri, 30 May 2003 20:21:00 -0000 In-Reply-To: <3ED693F5.9040108@redhat.com> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SW-Source: 2003-05/txt/msg00420.txt.bz2 Andrew Cagney writes: > One idea (the origins of which are unknown) is for the compiler to > generate CFI info containing no addresses and have GDB look for that > dependant on the PC address being obtained using return or resume > (sigtramp, sentinel). I don't understand this. Could you explain the idea in more detail?