From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14593 invoked by alias); 12 Aug 2002 16:29:56 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 14577 invoked from network); 12 Aug 2002 16:29:55 -0000 Received: from unknown (HELO crack.them.org) (65.125.64.184) by sources.redhat.com with SMTP; 12 Aug 2002 16:29:55 -0000 Received: from dsl093-061-169.pit1.dsl.speakeasy.net ([66.93.61.169] helo=nevyn.them.org ident=mail) by crack.them.org with asmtp (Exim 3.12 #1 (Debian)) id 17eI4p-0007LK-00; Mon, 12 Aug 2002 11:29:55 -0500 Received: from drow by nevyn.them.org with local (Exim 3.35 #1 (Debian)) id 17eI57-0000VF-00; Mon, 12 Aug 2002 12:30:13 -0400 Date: Mon, 12 Aug 2002 09:29:00 -0000 From: Daniel Jacobowitz To: Kevin Buettner Cc: Andrew Cagney , jorma.laaksonen@hut.fi, gdb-gnats@sources.redhat.com, gdb@sources.redhat.com Subject: Re: gdb/633: fully qualified pathnames in solib_map_sections() and remote debugging Message-ID: <20020812163012.GA1469@nevyn.them.org> Mail-Followup-To: Kevin Buettner , Andrew Cagney , jorma.laaksonen@hut.fi, gdb-gnats@sources.redhat.com, gdb@sources.redhat.com References: <20020806100634.11483.qmail@sources.redhat.com> <20020806132047.GA16450@nevyn.them.org> <1020809231206.ZM11775@localhost.localdomain> <20020812032527.GA3838@nevyn.them.org> <3D57C611.4010403@ges.redhat.com> <20020812143803.GA25086@nevyn.them.org> <3D57CF1A.4070405@ges.redhat.com> <1020812154849.ZM31876@localhost.localdomain> <20020812155518.GA32130@nevyn.them.org> <1020812162023.ZM32132@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1020812162023.ZM32132@localhost.localdomain> User-Agent: Mutt/1.5.1i X-SW-Source: 2002-08/txt/msg00102.txt.bz2 On Mon, Aug 12, 2002 at 09:20:24AM -0700, Kevin Buettner wrote: > On Aug 12, 11:55am, Daniel Jacobowitz wrote: > > > > > There are two approaches: have solib_open() test for a local/remote > > > > target; or, add methods to the target vector that allow solib_open() to > > > > be written independant of the target. > > > > > > At the moment, I like the first approach better because it's simpler. > > > I'd prefer that we wait on the more complicated approach until a need > > > is demonstrated for the additional complexity. > > > > I agree. But as I said above, I don't want to make this decision based > > on local/remote. An i386-pc-linux-gnu debugger using gdbserver will > > default to looking in the system libraries right now; that's correct, I > > think. > > I'm wondering how frequently this particular scenario occurs. If it > occurs relatively infrequently, I think it'd be better to force the > user to set solib-absolute-prefix and/or solib-search-path. It certainly > seems safer than incorrectly using the host's environment variables. > > Usually, when I do the above, I'm running the debug agent in a chroot > environment which has different libraries. For a quick and dirty test > of the debug agent though, I'll frequently just run it on the host in > which case using the host's libraries is correct. Same; I do almost all of my testing using gdbserver on the host. Because it has a different threads package than core GDB, I also periodically recommend that others try this. Having to set it myself would be a real pain. > As noted earlier in this thread (and by yourself on at least one > occassion), one of the things which we sorely need is a mechanism to > check to see if gdb has loaded the correct shared object. Absolutely. I'm thinking about this one... -- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer