From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by sourceware.org (Postfix) with ESMTPS id E75A43858D33 for ; Mon, 6 Nov 2023 08:20:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org E75A43858D33 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.de ARC-Filter: OpenARC Filter v1.0.0 sourceware.org E75A43858D33 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=195.135.220.28 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1699258832; cv=none; b=aKuvQ7QLXZhvRNy2mp8w2Rn7vP85jqCBC02iPSgo8EDKiBC8F5jx03Jb9HvVVdA+qx9Zln7lakuhKbG52Qz7W9lCKsDNpECHe8JdoBLewKMqdoVK9cKgzdz8OdW7/3doLA6vb7G7AyK6vV5UfanUmg5i5aWaDImbK/8NYb8azl8= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1699258832; c=relaxed/simple; bh=7KR76MVThQSf+pjtbk5ki2cNXHUlgZlpSBwX8gwZlsE=; h=DKIM-Signature:DKIM-Signature:Message-ID:Date:MIME-Version: Subject:To:From; b=ZPohn+tbRXh5EcG3I7gdiTcS3IWuAIZZsLS8uU67RwmrkenDImzoFgDXT/s6MawrWEj1qXlB3Z0aXCJ2n5EPREiPR+vBXI3PF4sFUl/IbWiGwIe4EfoAutB49Y0sfZ8c4KphCrd8V6vAHDfCuJYkKkl7VuaveGYTwURN9zk3868= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 0DFFF2183B; Mon, 6 Nov 2023 08:20:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1699258829; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6lrazr7dPOubjVC8Ml0qBdVRP6Vf/oUFW2OL8eM3yhc=; b=xQ+VKH5kul3h0NHft7Dk9szTb275FhYVdJgOL7zXbC6KzMhquGWEGGeae1meH+rKpij9bC XeYLz4ZhBCXETjq5mkcA8T01iDjL09CMQChA/qkJbXrBBTSibQVD/slpwrw9IF5OX80jsa 8JDrxGai+AJgqWMT7yzQ1uomnQrrgvQ= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1699258829; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6lrazr7dPOubjVC8Ml0qBdVRP6Vf/oUFW2OL8eM3yhc=; b=xLlwazjDUqDcFdKgFCVXfh0NazFvBuDppbmk51HHrFeFjGx497q0Wkp2z5DMiL1/H6Yq2f MV2VCUOjibcLoUAQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id E78E1138E5; Mon, 6 Nov 2023 08:20:28 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id MitwN8yhSGVlUwAAMHmgww (envelope-from ); Mon, 06 Nov 2023 08:20:28 +0000 Message-ID: Date: Mon, 6 Nov 2023 09:21:46 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] gdb: fix auxv cache clearing from new_objfile observer Content-Language: en-US To: Simon Marchi , Andrew Burgess , gdb-patches@sourceware.org References: <2fefd58b-99bf-47de-9361-09f66165dab5@simark.ca> From: Tom de Vries In-Reply-To: <2fefd58b-99bf-47de-9361-09f66165dab5@simark.ca> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-6.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 10/3/23 19:50, Simon Marchi via Gdb-patches wrote: >> A better solution might be to have the address spaces be reference >> counted, then we could remove the gdbarch_has_shared_address_space >> call completely, and just rely on the reference count to auto-delete >> the address space when appropriate. > I advocate for the shared_ptr / refcount solution. ~program_space is > really not a good place to do target calls, as you noted. I've implemented a refcount approach here ( https://sourceware.org/pipermail/gdb-patches/2023-November/203764.html ). Thanks, - Tom