From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gateway34.websitewelcome.com (gateway34.websitewelcome.com [192.185.148.164]) by sourceware.org (Postfix) with ESMTPS id AD4E5398B8A3 for ; Thu, 17 Sep 2020 17:10:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org AD4E5398B8A3 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=tom@tromey.com Received: from cm17.websitewelcome.com (cm17.websitewelcome.com [100.42.49.20]) by gateway34.websitewelcome.com (Postfix) with ESMTP id 597C6537F for ; Thu, 17 Sep 2020 12:10:27 -0500 (CDT) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with SMTP id IxQRklDUodbRzIxQRkPl3f; Thu, 17 Sep 2020 12:10:27 -0500 X-Authority-Reason: nr=8 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=Ydokmw8kekDyXlWn4ESQIIITYm+DbcSFbWnw02/Dcj0=; b=gU/JhPNKOroyvT1VqEcerUrosw EHXvY+mb+7SbuO1W1qvje8UfNFRnhUZQUDJi/fE/Uo7ILwsbGaOMEUgiCUfs9oZYGI7LvySoNkdXr tkIsXhMEHBoH9r30cDV9WoZbj; Received: from 75-166-120-119.hlrn.qwest.net ([75.166.120.119]:46938 helo=murgatroyd) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1kIxQR-003cpS-1m; Thu, 17 Sep 2020 11:10:27 -0600 From: Tom Tromey To: "A. M. Miera via Gdb" Cc: "A. M. Miera" Subject: Re: debugger-only log on Linux, equivalent of OutputDebugString References: X-Attribution: Tom Date: Thu, 17 Sep 2020 11:10:26 -0600 In-Reply-To: (A. M. Miera via Gdb's message of "Thu, 17 Sep 2020 10:48:00 +0200") Message-ID: <87h7rw72il.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (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: 75.166.120.119 X-Source-L: No X-Exim-ID: 1kIxQR-003cpS-1m X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 75-166-120-119.hlrn.qwest.net (murgatroyd) [75.166.120.119]:46938 X-Source-Auth: tom+tromey.com X-Email-Count: 9 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-Spam-Status: No, score=-3026.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, JMQ_SPF_NEUTRAL, RCVD_IN_ABUSEAT, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_PASS, SPF_NEUTRAL, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Sep 2020 17:10:31 -0000 >>>>> ">" == A M Miera via Gdb writes: >> The main question I'd like to ask though, is this: is that actually >> the right way to go, or can this be done better in terms of operation >> principles? I have several concerns here: >> a. this might be very system-specific, e.g. for bare-metal Cortex-Mx >> targets there's sth called "semihosting", which effectively does the >> same (though is something different in principle). Windows already its >> own call, too, etc. >> b. most likely a simple pipe-based solution is not going to work with >> remote targets, e.g. gdbserver? Should it be added? >> c. and last but not least: maybe a mechanism already exists and I'm >> reinventing the wheel now? I don't know of another existing implementation of this. Your approach sounds maybe a bit like what "libust" is doing. That might be worth a look. Tom