From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8144 invoked by alias); 11 Apr 2013 11:44:50 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 8133 invoked by uid 89); 11 Apr 2013 11:44:49 -0000 X-Spam-SWARE-Status: No, score=-5.9 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W autolearn=ham version=3.3.1 Received: from mga02.intel.com (HELO mga02.intel.com) (134.134.136.20) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Thu, 11 Apr 2013 11:44:48 +0000 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 11 Apr 2013 04:44:47 -0700 X-ExtLoop1: 1 Received: from tassilo.jf.intel.com ([10.7.201.84]) by orsmga001.jf.intel.com with ESMTP; 11 Apr 2013 04:44:47 -0700 Received: by tassilo.jf.intel.com (Postfix, from userid 501) id 267542423C0; Thu, 11 Apr 2013 04:44:47 -0700 (PDT) From: Andi Kleen To: Rainer Orth Cc: gcc-patches@gcc.gnu.org, Paolo Bonzini , "Joseph S. Myers" Subject: Re: [build, driver] RFC: Support compressed debug sections References: Date: Thu, 11 Apr 2013 12:36:00 -0000 In-Reply-To: (Rainer Orth's message of "Thu, 11 Apr 2013 13:21:38 +0200") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SW-Source: 2013-04/txt/msg00691.txt.bz2 Rainer Orth writes: > There's some interest inside Oracle to support compressed debug sections > inside their toolchain, both on Solaris and Linux. So far, there's the > GNU style supported by gas, gld, gold, and gdb, which mangles section > names (.debug_* -> .zdebug_*), but consultation with the Solaris linker > engineers resulted in a different style, now (almost) approved for the > ELF gABI. The final proposal can be found here: > > https://groups.google.com/forum/#!msg/generic-abi/dBOS1H47Q64/Fm_Jh9vOlG8J None of the messages explains why the new format is better than the existing one. For GNU this seems to have zero value. -Andi -- ak@linux.intel.com -- Speaking for myself only