From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13508 invoked by alias); 14 May 2008 17:56:23 -0000 Received: (qmail 13498 invoked by uid 22791); 14 May 2008 17:56:22 -0000 X-Spam-Check-By: sourceware.org Received: from NaN.false.org (HELO nan.false.org) (208.75.86.248) by sourceware.org (qpsmtpd/0.31) with ESMTP; Wed, 14 May 2008 17:55:55 +0000 Received: from nan.false.org (localhost [127.0.0.1]) by nan.false.org (Postfix) with ESMTP id F1C66983FA; Wed, 14 May 2008 17:55:53 +0000 (GMT) Received: from caradoc.them.org (22.svnf5.xdsl.nauticom.net [209.195.183.55]) by nan.false.org (Postfix) with ESMTP id D5A9B983F9; Wed, 14 May 2008 17:55:53 +0000 (GMT) Received: from drow by caradoc.them.org with local (Exim 4.69) (envelope-from ) id 1JwLCi-0003Eq-Ob; Wed, 14 May 2008 13:55:52 -0400 Date: Wed, 14 May 2008 18:16:00 -0000 From: Daniel Jacobowitz To: Ulrich Weigand Cc: gdb-patches@sourceware.org, bauerman@br.ibm.com Subject: Re: [rfc] Remove "function descriptor" handling on ppc32 Message-ID: <20080514175552.GA12149@caradoc.them.org> Mail-Followup-To: Ulrich Weigand , gdb-patches@sourceware.org, bauerman@br.ibm.com References: <200805141731.m4EHVCwS018368@d12av02.megacenter.de.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200805141731.m4EHVCwS018368@d12av02.megacenter.de.ibm.com> User-Agent: Mutt/1.5.17 (2008-05-05) X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2008-05/txt/msg00433.txt.bz2 On Wed, May 14, 2008 at 07:31:12PM +0200, Ulrich Weigand wrote: > Dan, > > a while back you installed a patch to make ...convert_from_func_ptr_addr > handle "secure PLTs" on ppc32; this was apparently based on earlier > patches by Thiago and Paul: > http://sourceware.org/ml/gdb-patches/2007-07/msg00068.html The history of that patch is, as you can see, long and tortuous. I think I just inherited that part; I can't remember its history. > The only reason I could imagine where this convert_from_func_ptr_addr > version would ever apply is that the "...@plt" synthetic symbols used > to point to those PLT data entries. After the patch Alan just committed, > this is no longer the case, however -- @plt symbols now point to the > plt call stubs as well. This sounds like a plausible explanation to me. -- Daniel Jacobowitz CodeSourcery