From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27835 invoked by alias); 6 Jul 2010 17:35:07 -0000 Received: (qmail 27827 invoked by uid 22791); 6 Jul 2010 17:35:06 -0000 X-SWARE-Spam-Status: No, hits=-5.9 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,TW_BJ,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 06 Jul 2010 17:35:01 +0000 Received: from int-mx04.intmail.prod.int.phx2.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.17]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o66HZ0ff031325 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 6 Jul 2010 13:35:00 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx04.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o66HYxTq010981; Tue, 6 Jul 2010 13:35:00 -0400 Received: from opsy.redhat.com (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id o66HYx9Y018922; Tue, 6 Jul 2010 13:34:59 -0400 Received: by opsy.redhat.com (Postfix, from userid 500) id BD85E3784BE; Tue, 6 Jul 2010 11:34:58 -0600 (MDT) From: Tom Tromey To: Jan Kratochvil Cc: gdb-patches@sourceware.org Subject: Re: [3/4] RFC: add DWARF index support References: <20100704181758.GA30603@host0.dyn.jankratochvil.net> <20100706171142.GA24412@host0.dyn.jankratochvil.net> Date: Tue, 06 Jul 2010 17:35:00 -0000 In-Reply-To: <20100706171142.GA24412@host0.dyn.jankratochvil.net> (Jan Kratochvil's message of "Tue, 6 Jul 2010 19:11:42 +0200") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii 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: 2010-07/txt/msg00098.txt.bz2 >>>>> "Jan" == Jan Kratochvil writes: Tom> One idea would be to store the build-id and only verify it if the Tom> objfile has a .note.gnu.build-id section. Jan> Good point, I find .gdb-index file should have exactly the same Jan> verification rules as the .debug file has. (That is crc32 if Jan> build-id is not available.) I am not sure about the CRC thing. That would result in a needless slowdown. It might be faster to just read psymtabs after all. Tom