From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26847 invoked by alias); 31 Jan 2003 09:55:12 -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 26839 invoked from network); 31 Jan 2003 09:55:09 -0000 Received: from unknown (HELO relay.versatel.net) (62.250.3.110) by 172.16.49.205 with SMTP; 31 Jan 2003 09:55:09 -0000 Received: (qmail 32605 invoked from network); 31 Jan 2003 09:55:08 -0000 Received: from unknown (HELO technt.technolution.nl) (62.58.167.162) by relay.versatel.net with SMTP; 31 Jan 2003 09:55:08 -0000 Received: from frank (172.16.10.11) by technt.technolution.nl (Worldmail 1.3.167); 31 Jan 2003 10:55:08 +0100 Reply-To: From: "Frank van Eijkelenburg" To: "Kevin Buettner" , "Gnu Debugger mailing list" Subject: RE: loading shared library Date: Fri, 31 Jan 2003 09:55:00 -0000 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal In-Reply-To: <1030127160550.ZM19875@localhost.localdomain> Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4807.1700 X-SW-Source: 2003-01/txt/msg00528.txt.bz2 > -----Original Message----- > From: Kevin Buettner [mailto:kevinb@redhat.com] > Sent: maandag 27 januari 2003 17:06 > To: frank.van.eijkelenburg@technolution.nl; Gnu Debugger mailing list > Subject: Re: loading shared library > > > On Jan 27, 11:38am, Frank van Eijkelenburg wrote: > > > I don't understand why gdb tries to load a library from the host > > (/lib/libpthread.so.0), while it needs the crosscompiled > library from the > > target. Or do I misunderstand something? > > You need to tell GDB where to find the shared libraries for the target. > Use the ``set solib-absolute-prefix ...'' command to do this. > > Kevin I tried this, and it was working. At this moment I've upgraded my glibc on the target from 2.1.3 to 2.2.4. I also build a complete toolchain with glibc 2.2.4. Now I want to debug a simple multithreaded program remote. But the following occured: GNU gdb 5.3 Copyright 2002 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "--host=i686-pc-linux-gnu --target=arm-linux"... 0x40002a70 in ?? () (gdb) b 20 Breakpoint 1 at 0x8590: file ex1.c, line 20. (gdb) c Continuing. Breakpoint 1, main () at ex1.c:26 26 retcode = pthread_create(&th_a, NULL, process, (void *) "a"); (gdb) sharedlibrary Reading symbols from /usr/arm/tools/arm-linux/lib/libpthread.so.0...done. Ignoring packet error, continuing... Loaded symbols for /usr/arm/tools/arm-linux/lib/libpthread.so.0 Reading symbols from /usr/arm/tools/arm-linux/lib/libc.so.6...done. Error while reading shared library symbols: putpkt: write failed: Broken pipe. Reading symbols from /usr/arm/tools/arm-linux/lib/ld-linux.so.2...done. Error while reading shared library symbols: putpkt: write failed: Broken pipe. putpkt: write failed: Broken pipe. (gdb) show solib-absolute-prefix Prefix for loading absolute shared library symbol files is "/dev/null". (gdb) show solib- solib-absolute-prefix solib-search-path (gdb) show solib-search-path The search path for loading non-absolute shared library symbol files is "/usr/arm/tools/arm-linux/lib". (gdb) It's trying to load the right libraries, but fails on libpthread (I can load the other two without any problems). Any idea of what's causing the problem??? Frank