From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23907 invoked by alias); 20 Mar 2013 17:58:00 -0000 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 Received: (qmail 23871 invoked by uid 89); 20 Mar 2013 17:57:50 -0000 X-Spam-SWARE-Status: No, score=-8.0 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.1 Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Wed, 20 Mar 2013 17:57:47 +0000 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r2KHvjS5021845 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 20 Mar 2013 13:57:45 -0400 Received: from host2.jankratochvil.net (ovpn-116-42.ams2.redhat.com [10.36.116.42]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id r2KHvfAx026642 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Wed, 20 Mar 2013 13:57:44 -0400 Date: Wed, 20 Mar 2013 17:58:00 -0000 From: Jan Kratochvil To: Eli Zaretskii Cc: gdb@sourceware.org Subject: Re: Strange backtrace from GDB 7.5.91 Message-ID: <20130320175740.GA31878@host2.jankratochvil.net> References: <83ppyuynhd.fsf@gnu.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <83ppyuynhd.fsf@gnu.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-IsSubscribed: yes X-SW-Source: 2013-03/txt/msg00050.txt.bz2 On Wed, 20 Mar 2013 18:45:02 +0100, Eli Zaretskii wrote: > #0 relocate_path (flag=1, initial=0x71a51b "d:/usr/share/gdb", > progname=0x260ed0 "d:\\usr\\eli\\utils\\gdb-7.5.91\\gdb\\gdb.exe") > at main.c:124 > #1 relocate_gdb_directory ( > initial=initial@entry=0x71a51b "d:/usr/share/gdb", flag=flag@entry=1) > at main.c:124 [...] > But relocate_path's argument list is this: > > relocate_path (const char *progname, const char *initial, int flag) > > i.e., the FLAG argument is the last one, not the first one. It needs a fix in GDB: Bug 15223 - reversed order of inlined function parameters http://sourceware.org/bugzilla/show_bug.cgi?id=15223 > #0 relocate_path (initial=0x71a51b "d:/usr/share/gdb", > progname=0x260ed0 "d:\\usr\\eli\\utils\\gdb-7.5.91\\gdb\\gdb.exe", > flag=) at main.c:109 > #1 relocate_path (flag=1, initial=0x71a51b "d:/usr/share/gdb", > progname=0x260ed0 "d:\\usr\\eli\\utils\\gdb-7.5.91\\gdb\\gdb.exe") > at main.c:120 > #2 relocate_gdb_directory ( > initial=initial@entry=0x71a51b "d:/usr/share/gdb", flag=flag@entry=1) > at main.c:124 > #3 0x004f0b1d in captured_main (data=data@entry=0x572ff10) at main.c:399 > > Is this due to inlining or something? Is this a bug? Probably all the frames #0..#2 are inlined, see "info frame". It is not a bug a single function is there multiple times, GCC does so. Jan