From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17246 invoked by alias); 7 Sep 2017 20:16:39 -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 17040 invoked by uid 89); 7 Sep 2017 20:16:39 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.1 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 spammy= X-HELO: eggs.gnu.org Received: from eggs.gnu.org (HELO eggs.gnu.org) (208.118.235.92) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 07 Sep 2017 20:16:34 +0000 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dq3Dv-0003WJ-54 for gdb@sourceware.org; Thu, 07 Sep 2017 16:16:31 -0400 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:44967) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dq3Dv-0003WD-1C; Thu, 07 Sep 2017 16:16:27 -0400 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2455 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1dq3Dt-0002rE-LO; Thu, 07 Sep 2017 16:16:26 -0400 Date: Thu, 07 Sep 2017 20:16:00 -0000 Message-Id: <83efriz2lg.fsf@gnu.org> From: Eli Zaretskii To: Jan Kratochvil CC: gdb@sourceware.org In-reply-to: <20170907192447.GA25323@host1.jankratochvil.net> (message from Jan Kratochvil on Thu, 7 Sep 2017 21:24:47 +0200) Subject: Re: GDB and -gdwarf-5 Reply-to: Eli Zaretskii References: <83inguz5cz.fsf@gnu.org> <20170907192447.GA25323@host1.jankratochvil.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-IsSubscribed: yes X-SW-Source: 2017-09/txt/msg00020.txt.bz2 > Date: Thu, 7 Sep 2017 21:24:47 +0200 > From: Jan Kratochvil > Cc: gdb@sourceware.org > > > I also tried "objdump --dwarf=info" (Binutils 2.29), but that says the > > DWARF2 version is 4. So now I'm confused. > > Here gcc-6.3.1-1.fc25.x86_64 really accepts -gdwarf-5 but still it does produce > only DWARF 4. I do not know why. OK, so I guess it's a bug or a missing feature in GCC 6.3. Thanks. > gcc-7.1.1-3.fc26.x86_64 does produce DWARF 5. > > You should really see from objdump/readelf: > Compilation Unit @ offset 0x0: > Length: 0x13c (32-bit) > Version: 5 Yes, I see version 4 instead. I guess I have to wait for GCC 7, then.