From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23709 invoked by alias); 10 Feb 2010 12:09:31 -0000 Received: (qmail 23698 invoked by uid 22791); 10 Feb 2010 12:09:30 -0000 X-SWARE-Spam-Status: No, hits=-1.6 required=5.0 tests=AWL,BAYES_00,SARE_MSGID_LONG40,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mail-gx0-f213.google.com (HELO mail-gx0-f213.google.com) (209.85.217.213) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 10 Feb 2010 12:09:24 +0000 Received: by gxk5 with SMTP id 5so6249731gxk.8 for ; Wed, 10 Feb 2010 04:09:22 -0800 (PST) MIME-Version: 1.0 Received: by 10.91.83.5 with SMTP id k5mr1467750agl.109.1265803762185; Wed, 10 Feb 2010 04:09:22 -0800 (PST) Date: Wed, 10 Feb 2010 12:09:00 -0000 Message-ID: Subject: cross debug glibc loader problem From: "Amker.Cheng" To: gdb@sourceware.org Content-Type: multipart/mixed; boundary=001485f94e5e99b901047f3de7ae X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2010-02/txt/msg00059.txt.bz2 --001485f94e5e99b901047f3de7ae Content-Type: text/plain; charset=ISO-8859-1 Content-length: 962 Hi all: I am trying to debug glibc loader, e.g. ld.so. I am following instructions at http://sources.redhat.com/glibc/wiki/Debugging/Loader_Debugging, the only difference is the cross debugging by running gdbserver from a mips simulator. the start up command is : ------------------------------ EGLIBC=/home/user/working-dir/eglibc-test/build/glibc mipsel-linux-gnu-gdbserver --debug 192.168.10.2:3333 \ $EGLIBC/elf/ld.so.1 "--library-path $EGLIBC:\ $EGLIBC/math:\ $EGLIBC/elf:\ $EGLIBC/dlfcn:\ $EGLIBC/nss:\ $EGLIBC/nis:\ $EGLIBC/rt:\ $EGLIBC/resolv:\ $EGLIBC/crypt:\ $EGLIBC/nptl \ $EGLIBC/string/tester then I trying to connect gdbserver in gdb command line by : target remote 192.168.10.2:3333 strangely, gdb complains that it :"Cannot access memory at address 0x32a14". I have totally no idea about this question, so please help and any tips will be appreciated. Thanks very much. the remote log file is attached, hoping helpful: -- Best Regards. --001485f94e5e99b901047f3de7ae Content-Type: text/plain; charset=US-ASCII; name="log.txt" Content-Disposition: attachment; filename="log.txt" Content-Transfer-Encoding: base64 X-Attachment-Id: f_g5i2v0140 Content-length: 7438 DQp3ICRxU3VwcG9ydGVkIzM3DQpyICskUGFja2V0U2l6ZT03Y2Y7UVBhc3NT aWduYWxzKztxWGZlcjpsaWJyYXJpZXM6cmVhZCs7cVhmZXI6YXV4djpyZWFk KztxWGZlcjpmZWF0dXJlczpyZWFkKyNhMw0KdyArJHFYZmVyOmZlYXR1cmVz OnJlYWQ6dGFyZ2V0LnhtbDowLDdjYSM0Ng0KciArJGw8P3htbCB2ZXJzaW9u PSIxLjAiPz5cbjwhLS0gQ29weXJpZ2h0IChDKSAyMDA3LCAyMDA4IEZyZWUg U29mdHdhcmUgRm91bmRhdGlvbiwgSW5jLlxuXG4gKiFDb3B5aW5nIGFuZCBk aXN0cmlidXRpb24gb2YgdGhpcyBmaWxlLCB3aXRoIG9yIHdpdGhvdXQgbW9k aWZpY2F0aW9uLFxuICohYXJlIHBlcm1pdHRlZCBpbiBhbnkgbWVkaXVtIHdp dGhvdXQgcm95YWx0eSBwcm92aWRlZCB0aGUgY29weXJpZ2h0XG4gKiFub3Rp Y2UgYW5kIHRoaXMgbm90aWNlIGFyZSBwcmVzZXJ2ZWQuICAtLT5cblxuPCFE T0NUWVBFIHRhcmdldCBTWVNURU0gImdkYi10YXJnZXQuZHRkIj5cbjx0YXJn 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