From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gproxy1-pub.mail.unifiedlayer.com (gproxy1-pub.mail.unifiedlayer.com [69.89.25.95]) by sourceware.org (Postfix) with ESMTPS id 66D37384F011 for ; Fri, 10 Feb 2023 17:01:45 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 66D37384F011 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 cmgw11.mail.unifiedlayer.com (unknown [10.0.90.126]) by progateway3.mail.pro1.eigbox.com (Postfix) with ESMTP id AE9A81003F4F0 for ; Fri, 10 Feb 2023 17:01:44 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id QWmOpQ5m5O9zKQWmOpsmm5; Fri, 10 Feb 2023 17:01:44 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=VccygHl9 c=1 sm=1 tr=0 ts=63e67878 a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=IkcTkHD0fZMA:10:nop_charset_1 a=m04uMKEZRckA:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=lahBRLA8AAAA:8 a=PmBs32vEIKwoa6rnT7AA:9 a=QEXdDO2ut3YA:10:nop_charset_2 a=scM_vJrj1NO3ah21njXL: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=sCH6GRIeWARigcB7rMAjbEhg94yEydbStGNkabRKKEU=; b=OuN/U1dhEVKGNMUrvJjxYIiRYD aD3okCq8uoJoI/wwZNQREs7z50q2VbbyWo2R8VqZIPOEPFQPSX8LCG0sfUyPy5S8thJf3RbXc7fod yU1k5U3sLrxMr9yuSbw7MerH2; Received: from 75-166-130-93.hlrn.qwest.net ([75.166.130.93]:56440 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 1pQWmO-000dJZ-A0; Fri, 10 Feb 2023 10:01:44 -0700 From: Tom Tromey To: Robin Whittle Cc: "gdb@sourceware.org" Subject: Re: Compiling and injecting code in GDB: C++ in addition to C? References: <1575f29a-498f-5c65-41cc-3ee134108d48@firstpr.com.au> X-Attribution: Tom Date: Fri, 10 Feb 2023 10:01:42 -0700 In-Reply-To: <1575f29a-498f-5c65-41cc-3ee134108d48@firstpr.com.au> (Robin Whittle's message of "Thu, 9 Feb 2023 03:34:43 +1100") Message-ID: <87k00pxxmx.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: 1pQWmO-000dJZ-A0 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 75-166-130-93.hlrn.qwest.net (murgatroyd) [75.166.130.93]:56440 X-Source-Auth: tom+tromey.com X-Email-Count: 4 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3021.5 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: >>>>> "Robin" =3D=3D Robin Whittle writes: Robin> Is it possible to inject C++ code, with any version of gdb and gcc/g= ++? My experience is that the C++ plugin isn't very functional. It seems to have some bugs and crash pretty frequently as well. Also, it seems like nobody is actively working on it. Robin> I want this capability so I can easily dump the contents of large, Robin> complex, vectors of class objects to a text file, likely multiple Robin> times the middle of a debug session.=C2=A0 Also I would like to be a= ble to Robin> modify such data programmatically. I wonder if you could do some trick like have a library, then use 'compile' in C mode to dlopen it. Not great of course. Tom