From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45C42C64E7A for ; Tue, 24 Nov 2020 16:56:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DFDD3206D8 for ; Tue, 24 Nov 2020 16:56:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="t9uqfSPk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390650AbgKXQ4J (ORCPT ); Tue, 24 Nov 2020 11:56:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390522AbgKXQ4G (ORCPT ); Tue, 24 Nov 2020 11:56:06 -0500 Received: from mail-qt1-x841.google.com (mail-qt1-x841.google.com [IPv6:2607:f8b0:4864:20::841]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D342C0613D6; Tue, 24 Nov 2020 08:56:06 -0800 (PST) Received: by mail-qt1-x841.google.com with SMTP id l2so910830qtq.4; Tue, 24 Nov 2020 08:56:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=jILiRm90aRamE5lAw9+1J2GPv0RPdczvsdZoWEuZtDA=; b=t9uqfSPkGQorJHk83AYZCoPhOfPB2i15+puOuSZ+B8pxg1R13JrOiwV/Hj2klgfoNL QTFmc3xatFu4zJXNodSosWT0imdS7dKinjwtQ7rqaqWI6JIcmRbfuKWzGrrSQqAMUhVl aVmAvj5KdR004ZKvncrXERZpKoH9JRk0IDyEmjdXj236q/x4FikSA48MKVnbxLuJMxiv nhMG6FbdnZdUAW9QDfwpyOR6GGNp+0xUYF3bl5NUpnERidh86dT/PPskNz7stO/hbAJY XIPiEFgVx/ZQgZdy04o1CAlrWdSCqeekckn/qIIa6QtzQ1Bzy2LCSPYnr1ZnV5/igveN 9XBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:date:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=jILiRm90aRamE5lAw9+1J2GPv0RPdczvsdZoWEuZtDA=; b=NLu+bfk2roq+od7Jhm6Sfn1O8Xl05f12ZMCoI5NX/ZL+KeWlhBoypPijIosh1isfDH Xluwh2ckFi5lx1QKtxYqgXhc/8eYSYjb80+tk/ssJEGhip+l2ZHKZ5iSXUekpkCj/o9M RocisIwHOset6xi2dkeKjd36D/LmQaTX0cdaE9Zs5qfq7CslZiblHx/Ty7IDGfSzUk0c lEKXSrhZR6ap3SYqscaqw67vEzxINjBZ1IiiK+QLAAHyW5dYdtIbj5GlXMKyY9YGUDmz 6H2Ntx0/n2Cdd4kTZrdZOA+xgwTOOEGQsJQZjWQ1w+YT+N7lvhjJ7f2Y1kyVKIXNCfKD X0QA== X-Gm-Message-State: AOAM532DeFdxe3RYpq/3XNX1Jw/9MjGS1Fjlr+bE3z+ldYzTZVIuF4B/ SPFrqK0PFO9AtrgcxX+sdsU= X-Google-Smtp-Source: ABdhPJwuDLAFgxM7V8uGeYcdy1rpCCjQ9myt1Y1Lrf6Fez8dO+gorLgSMuMRJe7inuFW4yVp7b8Gxg== X-Received: by 2002:aed:204c:: with SMTP id 70mr5086384qta.92.1606236965390; Tue, 24 Nov 2020 08:56:05 -0800 (PST) Received: from rani.riverdale.lan ([2001:470:1f07:5f3::b55f]) by smtp.gmail.com with ESMTPSA id c79sm13210905qke.69.2020.11.24.08.56.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Nov 2020 08:56:04 -0800 (PST) Sender: Arvind Sankar From: Arvind Sankar X-Google-Original-From: Arvind Sankar Date: Tue, 24 Nov 2020 11:56:02 -0500 To: Segher Boessenkool Cc: Arvind Sankar , Nick Desaulniers , Masahiro Yamada , Jakub Jelinek , Linux Kbuild mailing list , Linux Kernel Mailing List , linux-toolchains@vger.kernel.org, clang-built-linux , Fangrui Song , Nathan Chancellor , Sedat Dilek , Dmitry Golovin , Alistair Delva Subject: Re: [PATCH v2 3/4] Kbuild: make DWARF version a choice Message-ID: <20201124165602.GA343230@rani.riverdale.lan> References: <20201104005343.4192504-1-ndesaulniers@google.com> <20201104005343.4192504-4-ndesaulniers@google.com> <20201123232210.GA208735@rani.riverdale.lan> <20201124003357.GR2672@gate.crashing.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20201124003357.GR2672@gate.crashing.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 23, 2020 at 06:33:57PM -0600, Segher Boessenkool wrote: > On Mon, Nov 23, 2020 at 06:22:10PM -0500, Arvind Sankar wrote: > > Btw, is -gsplit-dwarf at all useful for assembler files? > > If you invoke the assembler via the compiler, with that flag it still > creates separate .o and .dwo files (via objcopy invocations as usual). > Whether that is useful depends on if you have any debug info that can > be split :-) > > > Segher Right, the latter was what I was really asking :) We don't currently pass -gsplit-dwarf for assembler and I was wondering if that mattered. Thanks.