From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 42940 invoked by alias); 15 Mar 2018 22:17:04 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 42923 invoked by uid 89); 15 Mar 2018 22:17:03 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.1 required=5.0 tests=AWL,BAYES_00,SPF_PASS autolearn=ham version=3.3.2 spammy= X-HELO: sesbmg22.ericsson.net Received: from sesbmg22.ericsson.net (HELO sesbmg22.ericsson.net) (193.180.251.48) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 15 Mar 2018 22:17:02 +0000 Received: from ESESSHC017.ericsson.se (Unknown_Domain [153.88.183.69]) by sesbmg22.ericsson.net (Symantec Mail Security) with SMTP id B5.76.02394.BD0FAAA5; Thu, 15 Mar 2018 23:17:00 +0100 (CET) Received: from ESESBMB503.ericsson.se (153.88.183.170) by ESESSHC017.ericsson.se (153.88.183.69) with Microsoft SMTP Server (TLS) id 14.3.382.0; Thu, 15 Mar 2018 23:16:59 +0100 Received: from ESESBMB503.ericsson.se (153.88.183.170) by ESESBMB503.ericsson.se (153.88.183.170) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1034.26; Thu, 15 Mar 2018 23:16:59 +0100 Received: from NAM03-DM3-obe.outbound.protection.outlook.com (153.88.183.157) by ESESBMB503.ericsson.se (153.88.183.170) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1034.26 via Frontend Transport; Thu, 15 Mar 2018 23:16:59 +0100 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=simon.marchi@ericsson.com; Received: from [142.133.61.117] (192.75.88.130) by DM5PR1501MB2008.namprd15.prod.outlook.com (2603:10b6:4:a1::38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.588.14; Thu, 15 Mar 2018 22:16:56 +0000 Subject: Re: [PATCH 3/3] Fix a FAIL in attach.exp under native-extended-gdbserver To: Andreas Arnez , References: <1521043903-18837-1-git-send-email-arnez@linux.vnet.ibm.com> <1521043903-18837-4-git-send-email-arnez@linux.vnet.ibm.com> From: Simon Marchi Message-ID: Date: Thu, 15 Mar 2018 22:17:00 -0000 User-Agent: Mozilla/5.0 (X11; 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This is because gdbserver does not support > starting new processes. And since the gdbserver-base board file sets the > GDB command line option -ex "set auto-connect-native-target off", the > process is not started on the native target either. An error message > results instead: > > Don't know how to run. Try "help target". > > Thus just accept this error when not running on a native target. It is not true that gdbserver can't run a new process, in fact it can in the extended-remote protocol (as opposed to remote). Start gdbserver with: $ ./gdbserver/gdbserver --once --multi :1234 And $ ./gdb --data-directory=data-directory (gdb) tar ext :1234 (gdb) set remote exec-file /usr/bin/gnome-calculator (gdb) run Still, I first thought this test wouldn't be applicable to the extended-remote protocol because I though you couldn't mix -p with connecting to a remote target on startup, but it seems like this works: $ pidof gnome-calculator 20001 $ ./gdb --data-directory=data-directory -iex "tar ext :1234" -p 20001 -ex "set remote exec-file /usr/bin/gnome-calculator" -ex "start" So it might be possible to tweak the test case to adapt it to the extended-remote protocol (add the -iex and "set remote exec-file" bits). Simon