From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-patches-return-77277-listarch-gdb-patches=sources.redhat.com@sourceware.org>
Received: (qmail 26682 invoked by alias); 28 Dec 2010 19:12:32 -0000
Received: (qmail 26674 invoked by uid 22791); 28 Dec 2010 19:12:31 -0000
X-SWARE-Spam-Status: No, hits=-0.5 required=5.0	tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,SPF_SOFTFAIL
X-Spam-Check-By: sourceware.org
Received: from mtaout23.012.net.il (HELO mtaout23.012.net.il) (80.179.55.175)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 28 Dec 2010 19:12:27 +0000
Received: from conversion-daemon.a-mtaout23.012.net.il by a-mtaout23.012.net.il (HyperSendmail v2007.08) id <0LE500500JYVFP00@a-mtaout23.012.net.il> for gdb-patches@sourceware.org; Tue, 28 Dec 2010 21:11:44 +0200 (IST)
Received: from HOME-C4E4A596F7 ([77.124.219.104]) by a-mtaout23.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LE50050EJZJ7B70@a-mtaout23.012.net.il>; Tue, 28 Dec 2010 21:11:44 +0200 (IST)
Date: Tue, 28 Dec 2010 20:15:00 -0000
From: Eli Zaretskii <eliz@gnu.org>
Subject: Re: [RFA] unexpected multiple location for breakpoint
In-reply-to: <20101228112546.GB2436@adacore.com>
To: Joel Brobecker <brobecker@adacore.com>
Cc: gdb-patches@sourceware.org
Reply-to: Eli Zaretskii <eliz@gnu.org>
Message-id: <83tyhxbthv.fsf@gnu.org>
References: <1290474625-1582-1-git-send-email-brobecker@adacore.com> <20101126172942.GK2634@adacore.com> <20101127183532.GA10136@caradoc.them.org> <20101210122337.GC2596@adacore.com> <20101228112546.GB2436@adacore.com>
X-IsSubscribed: yes
Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb-patches.sourceware.org>
List-Subscribe: <mailto:gdb-patches-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb-patches/>
List-Post: <mailto:gdb-patches@sourceware.org>
List-Help: <mailto:gdb-patches-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-patches-owner@sourceware.org
X-SW-Source: 2010-12/txt/msg00522.txt.bz2

> Date: Tue, 28 Dec 2010 15:25:46 +0400
> From: Joel Brobecker <brobecker@adacore.com>
> 
> As a user, we're expecting the debugger to stop on line 53 at every
> iteration.  But because we only break on the first instance of line 53,
> and because that first instance is outside the actual loop, we end up
> stopping only once.
> 
> (there are some lexical blocks in the assembly code I'm looking at,
> but nothing significant to line 53, I believe).
> 
> According to you, bug or feature?

Definitely a bug.  Whether it can be fixed in some reasonable way, is
another question.

> If this is a bug, then the only solution I can think of is inserting
> a breakpoint at *every* instances of line 53, regardless of
> lexical-block relationships.

When would that be worse than what we have now?