From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 41202 invoked by alias); 31 Aug 2017 22:01:57 -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 41188 invoked by uid 89); 31 Aug 2017 22:01:57 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=Hx-languages-length:895, H*M:5450, H*M:8f54 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 31 Aug 2017 22:01:56 +0000 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2AB7361474; Thu, 31 Aug 2017 22:01:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 2AB7361474 Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=palves@redhat.com Received: from [127.0.0.1] (ovpn04.gateway.prod.ext.ams2.redhat.com [10.39.146.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5CD985D6A6; Thu, 31 Aug 2017 22:01:52 +0000 (UTC) Subject: Re: [PATCH/RFC] Implement the ability to set the current working directory in GDBserver To: Sergio Durigan Junior , GDB Patches References: <20170830043811.776-1-sergiodj@redhat.com> Cc: Eli Zaretskii From: Pedro Alves Message-ID: <79779c39-8f54-c5da-5450-e67a35294e08@redhat.com> Date: Thu, 31 Aug 2017 22:01:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <20170830043811.776-1-sergiodj@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2017-08/txt/msg00553.txt.bz2 On 08/30/2017 06:38 AM, Sergio Durigan Junior wrote: > I didn't want to implement a gdbserver-specific command (e.g., "set > remote directory"), which means that my approach has some drawbacks. > For example, if you want gdbserver to cd to "/abc", but "/abc" doesn't > exist in the host, then you still won't be able to do this, because > GDB obviously won't allow you to "cd" into a non-existing dir. So you > will have to have the same directory structure in both host and target > if you want to do that. I'm not sure this is the right approach. I'd like to have a better understanding of what are the use cases "cd" is used for. Beyond affecting the inferior's cwd when it is started, what else is/can "cd" used for? Or IOW, what else does GDB's current working directory affect? Thanks, Pedro Alves