From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15060 invoked by alias); 13 Jun 2011 16:32:17 -0000 Received: (qmail 15047 invoked by uid 22791); 13 Jun 2011 16:32:16 -0000 X-SWARE-Spam-Status: No, hits=-2.0 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from rock.gnat.com (HELO rock.gnat.com) (205.232.38.15) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 13 Jun 2011 16:32:02 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by filtered-rock.gnat.com (Postfix) with ESMTP id CBAD22BAF38; Mon, 13 Jun 2011 12:32:01 -0400 (EDT) Received: from rock.gnat.com ([127.0.0.1]) by localhost (rock.gnat.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 4L-dphLm40-z; Mon, 13 Jun 2011 12:32:01 -0400 (EDT) Received: from joel.gnat.com (localhost.localdomain [127.0.0.1]) by rock.gnat.com (Postfix) with ESMTP id 9C56E2BAF34; Mon, 13 Jun 2011 12:32:01 -0400 (EDT) Received: by joel.gnat.com (Postfix, from userid 1000) id A7E52145615; Mon, 13 Jun 2011 09:31:55 -0700 (PDT) Date: Mon, 13 Jun 2011 16:32:00 -0000 From: Joel Brobecker To: Jan Kratochvil Cc: Mark Kettenis , gdb-patches@sourceware.org Subject: Re: [RFC] i386 PLT stub unwinder Message-ID: <20110613163155.GJ12834@adacore.com> References: <201106131555.p5DFtucc019690@glazunov.sibelius.xs4all.nl> <20110613161402.GB18588@host1.jankratochvil.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110613161402.GB18588@host1.jankratochvil.net> User-Agent: Mutt/1.5.20 (2009-06-14) 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: 2011-06/txt/msg00168.txt.bz2 > I do not think GDB is the right place to fix it, it should be fixed by proper > .eh_Frame as this problem affects all the tools trying to unwind such as also > oprofile, systemtap etc. But at the same time, isn't it a good thing to have a fallback mechanism in case the debug info is not there? -- Joel