From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6391 invoked by alias); 3 Aug 2012 09:16:05 -0000 Received: (qmail 6377 invoked by uid 22791); 3 Aug 2012 09:16:03 -0000 X-SWARE-Spam-Status: No, hits=-3.2 required=5.0 tests=AWL,BAYES_00,KHOP_THREADED,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from atlantis.wh2.tu-dresden.de (HELO atlantis.wh2.tu-dresden.de) (141.30.228.39) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 03 Aug 2012 09:15:44 +0000 Received: from [141.30.68.120] (m120.zih.tu-dresden.de [141.30.68.120]) by atlantis.wh2.tu-dresden.de (Postfix) with ESMTPSA id 33C2283A6B9; Fri, 3 Aug 2012 11:15:42 +0200 (CEST) Message-ID: <501B96BE.8050604@tu-dresden.de> Date: Fri, 03 Aug 2012 09:16:00 -0000 From: Joachim Protze User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120714 Thunderbird/14.0 MIME-Version: 1.0 To: wempwer@gmail.com CC: gdb@sourceware.org Subject: =?windows-1252?Q?Re=3A_Why_does_gdb_stop_at_a_diff?= =?windows-1252?Q?erent_line_than_=93i_b=94_shows_while_ret?= =?windows-1252?Q?urning_from_function=3F?= References: <20120729185452.GB2732@a.lan> In-Reply-To: <20120729185452.GB2732@a.lan> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms070207070204040805030206" 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: 2012-08/txt/msg00005.txt.bz2 This is a cryptographically signed message in MIME format. --------------ms070207070204040805030206 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable Content-length: 1000 On 29.07.2012 20:54, wempwer@gmail.com wrote: > Here is the program I am trying to debug: > > [...] > > This code is coming from here http://www.dirac.org/linux/gdb/05-Stepping_= And_Resuming.php#breakpointsandwatchpoints26.=20 The original code with forward decl of display compiles without warning ;) > It was supposed to stop at line 8 in main() but it stopped at line 9 it m= ain(). For me it's misleading. I think it should stop at line 9, because th= is is what 'break' commands does - sets a break point at the very next inst= ruction. But why "info breakpoints" said that the break point was set at li= ne 8? The behaviour is similar with setting a breakpoint at empty line 7 ("b 7") or function header line 13 ("b 13"): "i b" shows try5.c:7 resp. try5.c:13, but the program stops at line 8 resp. 15. The thing gets even fancier, when you rerun the program after setting the breakpoints: Now "i b" lists your breakpoint at line 9, while my breakpoints remain at line 7 resp. 13. - Joachim --------------ms070207070204040805030206 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature Content-length: 7211 MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEH AQAAoIIPtTCCBCEwggMJoAMCAQICAgDHMA0GCSqGSIb3DQEBBQUAMHExCzAJ BgNVBAYTAkRFMRwwGgYDVQQKExNEZXV0c2NoZSBUZWxla29tIEFHMR8wHQYD VQQLExZULVRlbGVTZWMgVHJ1c3QgQ2VudGVyMSMwIQYDVQQDExpEZXV0c2No ZSBUZWxla29tIFJvb3QgQ0EgMjAeFw0wNjEyMTkxMDI5MDBaFw0xOTA2MzAy MzU5MDBaMFoxCzAJBgNVBAYTAkRFMRMwEQYDVQQKEwpERk4tVmVyZWluMRAw DgYDVQQLEwdERk4tUEtJMSQwIgYDVQQDExtERk4tVmVyZWluIFBDQSBHbG9i YWwgLSBHMDEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDpm8Nn hfkNrvWNVMOWUDU9YuluTO2U1wBblSJ01CDrNI/W7MAxBAuZgeKmFNJSoCgj 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