From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1788 invoked by alias); 1 Oct 2002 23:21:02 -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 1776 invoked from network); 1 Oct 2002 23:21:01 -0000 Received: from unknown (HELO crack.them.org) (65.125.64.184) by sources.redhat.com with SMTP; 1 Oct 2002 23:21:01 -0000 Received: from nevyn.them.org ([66.93.61.169] ident=mail) by crack.them.org with asmtp (Exim 3.12 #1 (Debian)) id 17wXFg-0003Aw-00; Tue, 01 Oct 2002 19:20:33 -0500 Received: from drow by nevyn.them.org with local (Exim 3.35 #1 (Debian)) id 17wWKD-0005ZW-00; Tue, 01 Oct 2002 19:21:09 -0400 Date: Tue, 01 Oct 2002 16:21:00 -0000 From: Daniel Jacobowitz To: Wenxiang Dai Cc: gdb@sources.redhat.com Subject: Re: gdbserver with PowerPC 8260 Message-ID: <20021001232109.GA21272@nevyn.them.org> Mail-Followup-To: Wenxiang Dai , gdb@sources.redhat.com References: Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.1i X-SW-Source: 2002-10/txt/msg00012.txt.bz2 > Program received signal SIG32, Real-time event 32. If you get that message, multithreaded debug is not working. Is libthread_db available on your target? On Tue, Oct 01, 2002 at 07:13:16PM -0400, Wenxiang Dai wrote: > I downloaded the latest GDB code "gdb+dejagnu-weekly-20021001.tar.bz2" from > sources.rehat.com, and rebuild the gdbserver and gdb for powerpc target, > then I used the gdbserver to debug a multi-threads programme in target, if > the breakpoint was set in main routine, it's OK, but if the break point was > set within any other child thread, the break point can be hit, however, the > debug cusor is not shown and the gdb say it is going to libc.so, if I say n, > the target programme will crash. > > I try to set "solib-search-path" to the target share lib path, the problem > remains same. > > I used nfs to map the root file system to target. > > Any thought? Any suggestion? > > Thanks > > here is the display of the gdb > > GNU DDD 3.3.1 (i386-redhat-linux-gnu), by Dorothea Lütkehaus and Andreas > Zeller. > Copyright © 1995-1999 Technische Universität Braunschweig, Germany. > Copyright © 1999-2001 Universität Passau, Germany. > (gdb) set solib-search-path /exports/rfs/lib > (gdb) file /home/wxdai/work/ipdslam/icm/apps/build/nmgt/bin.mpc/nmgt > (gdb) list clib_pass.c:1 > Line 1 of "../../../../icm/apps/nmgt/cli_b/clib_pass.c" is at address > 0x1003ff94 but contains no code. > > /home/wxdai/work/ipdslam/icm/apps/nmgt/cli_b/clib_pass.c:1:0:beg:0x1003ff94 > (gdb) break ../../../../icm/apps/nmgt/cli_b/clib_pass.c:20 > Breakpoint 1 at 0x1003ffb4: file > ../../../../icm/apps/nmgt/cli_b/clib_pass.c, > line 20. > (gdb) target remote 172.16.133.231:12345 > 0x30010660 in ?? () > (gdb) handle SIG32 nostop > (gdb) c > > Program received signal SIG32, Real-time event 32. > > Program received signal SIG32, Real-time event 32. > > Program received signal SIG32, Real-time event 32. > > Program received signal SIG32, Real-time event 32. > > Program received signal SIGTRAP, Trace/breakpoint trap. > 0x0ff12e00 in ngettext () from /lib/libc.so.6 > (gdb) c > > -- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer