From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id PzGuNJj8n2IBfwAAWB0awg (envelope-from ) for ; Tue, 07 Jun 2022 21:34:16 -0400 Received: by simark.ca (Postfix, from userid 112) id C5AE41E223; Tue, 7 Jun 2022 21:34:16 -0400 (EDT) Authentication-Results: simark.ca; dkim=fail reason="signature verification failed" (768-bit key; unprotected) header.d=tromey.com header.i=@tromey.com header.a=rsa-sha256 header.s=default header.b=wqcPvbYn; dkim-atps=neutral X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 Received: from sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id D73A11E143 for ; Tue, 7 Jun 2022 21:34:15 -0400 (EDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 51ACE383F940 for ; Wed, 8 Jun 2022 01:34:14 +0000 (GMT) Received: from alt-proxy28.mail.unifiedlayer.com (alt-proxy28.mail.unifiedlayer.com [74.220.216.123]) by sourceware.org (Postfix) with ESMTPS id 68ED5383F940 for ; Wed, 8 Jun 2022 01:33:59 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 68ED5383F940 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=tromey.com Received: from cmgw12.mail.unifiedlayer.com (unknown [10.0.90.127]) by progateway1.mail.pro1.eigbox.com (Postfix) with ESMTP id CCC201003FD18 for ; Wed, 8 Jun 2022 01:33:58 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id yka6nP6vQX35Iyka6nAum1; Wed, 08 Jun 2022 01:33:58 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=LPCj/La9 c=1 sm=1 tr=0 ts=629ffc86 a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=JPEYwPQDsx4A:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=IT_UglR7AAAA:8 a=KaslJ_2yV24UD-5IAucA:9 a=okTsqgFZdx_09wDfuO9u:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date:References :Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=Cbn4O9O4A5IX9dpuZNq/cWh7M5oB2OPf2Op4D/cLsAs=; b=wqcPvbYnpMipYki02K/1BPwO+J tVroYVUuNF/d8QZawzctqXcyhuanuQkBZ//kfdXcOcXE0llxlBO64jlYpdVQcSYescLwvMTW/2g5v CMp8hZ3+fHyK8gg8T0jsyEwnv; Received: from 71-211-171-143.hlrn.qwest.net ([71.211.171.143]:35066 helo=prentzel) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1nyka6-001rTh-8C; Tue, 07 Jun 2022 19:33:58 -0600 From: Tom Tromey To: Lancelot SIX Subject: Re: [PATCH 4/6] Rewrite registry.h References: <20220530175934.3872892-1-tom@tromey.com> <20220530175934.3872892-5-tom@tromey.com> <20220607105532.tymzjyvngpdy6l6s@ubuntu.lan> X-Attribution: Tom Date: Tue, 07 Jun 2022 19:33:57 -0600 In-Reply-To: <20220607105532.tymzjyvngpdy6l6s@ubuntu.lan> (Lancelot SIX's message of "Tue, 7 Jun 2022 10:55:32 +0000") Message-ID: <878rq82b22.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 71.211.171.143 X-Source-L: No X-Exim-ID: 1nyka6-001rTh-8C X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 71-211-171-143.hlrn.qwest.net (prentzel) [71.211.171.143]:35066 X-Source-Auth: tom+tromey.com X-Email-Count: 2 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tom Tromey , gdb-patches@sourceware.org Errors-To: gdb-patches-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb-patches" >>>>> Lancelot SIX writes: > Hi Tom, > After this patch, if I build GDB with address sanitizer, I end up having > many regressions related to heap-use-after-free in the testsuite. > You can see this by using the gdb.base/cached-source-file.exp for > example. Thanks. I should have thought to do this testing myself. This particular failure comes because the order of destruction of the per-bfd and per-objfile objects changed. I think it's better to avoid this problem entirely. I've got a patch to do this that I will send soon. After that's in, I'll rebase the registry series and test it with ASAN. Tom