From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from outbound-ss-820.bluehost.com (outbound-ss-820.bluehost.com [69.89.24.241]) by sourceware.org (Postfix) with ESMTPS id 16ACE3858C2C for ; Tue, 7 Mar 2023 20:47:50 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 16ACE3858C2C 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 progateway2.mail.pro1.eigbox.com (Postfix) with ESMTP id 8CD5710047FAC for ; Tue, 7 Mar 2023 20:47:49 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id ZeDtpndoubQKPZeDtpiDHT; Tue, 07 Mar 2023 20:47:49 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=Jd15EWGV c=1 sm=1 tr=0 ts=6407a2f5 a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=IkcTkHD0fZMA:10:nop_charset_1 a=k__wU0fu6RkA:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=CCpqsmhAAAAA:8 a=zstS-IiYAAAA:8 a=XVOUX64JYrFaykaV4dcA:9 a=QEXdDO2ut3YA:10:nop_charset_2 a=ul9cdbp4aOFLsgKbc677:22 a=4G6NA9xxw8l3yy4pmD5M:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID: In-Reply-To:Date:References:Subject:Cc:To:From:Sender:Reply-To: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=CkrGrDUT1+WjhtNUU2WvI+3Hr3LEA24skskAvEVzkOI=; b=M99ImvfgPKI9hoMe2h7WJ2BPAn kluvDqpOdVOEzFQGx5m3c+Qou7Zh/QYaUjWJpRx4wMSXdMb2khlZh3GyAUEk9+0+MaoNS7IoAFYLi DvaoaFUvEXX83plNzO9eH8dVf; Received: from 75-166-130-93.hlrn.qwest.net ([75.166.130.93]:36950 helo=murgatroyd) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1pZeDt-0020Zk-AY; Tue, 07 Mar 2023 13:47:49 -0700 From: Tom Tromey To: Aaron Merey via Gdb-patches Cc: Tom Tromey , Aaron Merey Subject: Re: [PATCH 4/7] gdb/ui-file: Add newline tracking References: <20230227194212.348003-1-amerey@redhat.com> <20230227194212.348003-4-amerey@redhat.com> <87r0u0qrtk.fsf@tromey.com> X-Attribution: Tom Date: Tue, 07 Mar 2023 13:47:47 -0700 In-Reply-To: (Aaron Merey via Gdb-patches's message of "Tue, 7 Mar 2023 15:30:01 -0500") Message-ID: <87wn3sp9u4.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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: 75.166.130.93 X-Source-L: No X-Exim-ID: 1pZeDt-0020Zk-AY X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 75-166-130-93.hlrn.qwest.net (murgatroyd) [75.166.130.93]:36950 X-Source-Auth: tom+tromey.com X-Email-Count: 16 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3020.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,JMQ_SPF_NEUTRAL,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: >>>>> "Aaron" =3D=3D Aaron Merey via Gdb-patches writes: Aaron> On Tue, Mar 7, 2023 at 2:34=E2=80=AFPM Tom Tromey w= rote: Aaron> (gdb) backtrace Aaron> [...] Aaron> #8 0x00007fbe8af7d7cf in pygi_invoke_c_callable ( Aaron> Downloading separate debug info for /lib64/libpython3.11.so.1.0 Aaron> function_cache=3D0x561221b224d0, state=3D... >> Still kind of badly formatted though? >> A long time ago, IIRC, the backtrace code had a second loop to do some >> unwinding precisely to cause debuginfo to be loaded. I wonder if it >> makes sense to resurrect this idea. It's unclear if this would work >> with frame filters though. Aaron> Can we accumulate the backtrace output in a buffer and print the who= le Aaron> thing in one shot after all frames have been computed/filtered? The= n all Aaron> debuginfod messages would print together, followed by the uninterrup= ted Aaron> backtrace. I like this idea. To make it still seem "incremental", it seems like we'd only need to print a single frame to a ui_file. Then after that frame is done, the buffer can be printed and gdb can move on to the next one. Tom