From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28652 invoked by alias); 15 Aug 2012 17:46:34 -0000 Received: (qmail 28535 invoked by uid 22791); 15 Aug 2012 17:46:30 -0000 X-SWARE-Spam-Status: No, hits=-6.3 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,RCVD_IN_DNSWL_HI,RCVD_IN_HOSTKARMA_W,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 15 Aug 2012 17:45:53 +0000 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q7FHjq9m008842 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 15 Aug 2012 13:45:52 -0400 Received: from host2.jankratochvil.net (ovpn-116-27.ams2.redhat.com [10.36.116.27]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id q7FHjlkY002115 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Wed, 15 Aug 2012 13:45:51 -0400 Date: Wed, 15 Aug 2012 17:46:00 -0000 From: Jan Kratochvil To: gdb-patches@sourceware.org Subject: Re: [RFA 4/4 take 2] Improved linker-debugger interface Message-ID: <20120815174546.GA7270@host2.jankratochvil.net> References: <20120719110518.GE16185@redhat.com> <20120815172346.GA5696@host2.jankratochvil.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120815172346.GA5696@host2.jankratochvil.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-IsSubscribed: yes 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 X-SW-Source: 2012-08/txt/msg00443.txt.bz2 Hi Gary, On Wed, 15 Aug 2012 19:23:46 +0200, Jan Kratochvil wrote: > (3) > There is some issue we already discussed off-list, in some cases (Fedora > Rawhide x86_64 with Fedora patched GDB) it breaks on > FAIL: gdb.base/break-dlmopen.exp: info sharedlibrary #5 reproduced it also with FSF GDB HEAD with the patch below. Apparently the address 0x6020a0 is already freed/invalid that time, I guess it is more clear to you: > namespace_update_full(lmid=0x1,debug_base=0x7ffff7ffd0f8,is_initial_ns=0 > svr4_read_so_list(lm=0x6020a0,prev_lm=0x0) > lm=0x6020a0={next=0x602670,prev=0x0} > lm=0x602670={next=0x0,prev=0x0} > warning: Corrupted shared library list: 0x6020a0 != 0x0 Thanks, Jan diff --git a/gdb/testsuite/gdb.base/break-dlmopen.exp b/gdb/testsuite/gdb.base/break-dlmopen.exp index 52cd5ef..ebf9089 100644 --- a/gdb/testsuite/gdb.base/break-dlmopen.exp +++ b/gdb/testsuite/gdb.base/break-dlmopen.exp @@ -33,7 +33,7 @@ if { [gdb_compile_shlib $srcfile_lib $binfile_lib \ } if { [prepare_for_testing $testfile.exp $testfile $srcfile \ - [list additional_flags=-DSHLIB_NAME\=\"$binfile_lib\" libs=-ldl]] } { + [list additional_flags=-DSHLIB_NAME\=\"$binfile_lib\" libs=-ldl libs=-lmcheck]] } { return -1 }