Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9281FC43217 for ; Wed, 15 Dec 2021 14:56:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243578AbhLOO4Z (ORCPT ); Wed, 15 Dec 2021 09:56:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237581AbhLOO4Y (ORCPT ); Wed, 15 Dec 2021 09:56:24 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69B46C061574; Wed, 15 Dec 2021 06:56:24 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0A0E261926; Wed, 15 Dec 2021 14:56:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 45D04C34606; Wed, 15 Dec 2021 14:56:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1639580183; bh=q+PAwVA3hA+XAhkskemgn4L0uXS+xZdMC81JEaAee+U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=B/iDNpR6h+hL0e1YRBM881u2j27FMncSdty5BhYRunWFI0uML8+Yr4JjUH75DFFOI 1r2G1MDosuXV/qyo8ZYJSvMuSEdF0yZHubAYSbXqCeVvgCQuBDUv/6VjiIno3rDdtY ODWiEa2O/1N5YOcTGAeldswmqvC5/GKtbhXGn25QKXgHP41Ew27vi12CRW6Xygs+Un FCk+n2E0vkPhD1E6WyNGI7PmUlXRd+IJW0qyvSuH4kjIX1N+EnTQFYNtjXfCmlvIFt wpV2s+K9uIsg0OtN+hbwl8IghINcrlLJ/+wtmZGh665ibD6eZ5X3YsSqQ27ui/uE0L 1h19IxIbsZtZw== Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id C81C6405D8; Wed, 15 Dec 2021 11:56:19 -0300 (-03) Date: Wed, 15 Dec 2021 11:56:19 -0300 From: Arnaldo Carvalho de Melo To: Nathan Chancellor Cc: dwarves@vger.kernel.org, Linux Kernel Mailing List , bpf@vger.kernel.org, Jiri Olsa , Jan Engelhardt , Domenico Andreoli , Matthias Schwarzott , Yonghong Song , Douglas RAILLARD , Ilya Leoshkevich , Matteo Croce Subject: Re: ANNOUNCE: pahole v1.23 (BTF tags and alignment inference) Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Url: http://acmel.wordpress.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Tue, Dec 14, 2021 at 02:56:16PM -0700, Nathan Chancellor escreveu: > Hi Arnaldo, > > On Wed, Dec 08, 2021 at 10:54:56AM -0300, Arnaldo Carvalho de Melo wrote: > > - Initial support for DW_TAG_skeleton_unit, so far just suggest looking up a > > matching .dwo file to be used instead. Automagically doing this is in the > > plans for a future release. > > This change [1] appears to break building on older distributions for me, > which I use in containers for access to older versions of GCC. I see the > error with Debian Stretch and Ubuntu Xenial, which have an older > libelf-dev. Is this expected? I don't mind sticking with 1.22 for > those, I just want to be sure! Nope, not expected, I'll reproduce here, fix and push, thanks for the report. - Arnaldo > /tmp/dwarves-1.23/dwarf_loader.c: In function 'die__process': > /tmp/dwarves-1.23/dwarf_loader.c:2529:13: error: 'DW_TAG_skeleton_unit' undeclared (first use in this function) > if (tag == DW_TAG_skeleton_unit) { > ^ > > [1]: https://git.kernel.org/pub/scm/devel/pahole/pahole.git/commit/?id=0135ccd632796ab3aff65b7c99b374c4682c2bcf > > Cheers, > Nathan -- - Arnaldo