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=-7.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 E5BE5C47E4B for ; Wed, 14 Jul 2021 20:19:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CE60F611AD for ; Wed, 14 Jul 2021 20:19:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237089AbhGNUWs (ORCPT ); Wed, 14 Jul 2021 16:22:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230004AbhGNUWs (ORCPT ); Wed, 14 Jul 2021 16:22:48 -0400 Received: from mail-il1-x130.google.com (mail-il1-x130.google.com [IPv6:2607:f8b0:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A91DC06175F; Wed, 14 Jul 2021 13:19:55 -0700 (PDT) Received: by mail-il1-x130.google.com with SMTP id j5so2861149ilk.3; Wed, 14 Jul 2021 13:19:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=7L4kksj/vfOAUbxuHKgQDlq1eiLc/XNqtZfav2j7JVs=; b=jR7ZAc1fIM4vo4zdVr/y4sbLOKemEpSL/oQO7vRGlxCE03qUBOdBJR2miQkPtkUSov CtMwnWBR37jxHJAYZgODBG0PTFl8wCuIiH6K/l9ufF9iGtqkC1623m0YNeYpU9gsUzYA SABvdDKjEJAniWbDygpQa6O/glAdqHUV8y4kwjmQI6zeUDo8oJC6QElBbuiEvj/gZ9n/ GmbTaXaxCF1xPA5bcZeBcwNDXcUZIcJ7gXvsNw/Fr2AHldhjMwQLLqAkqnsoKhH1B+DN mHmsDheSZC+/vg50tL1RJiMjmhbueLF481b/UF1fGdIvPUcUgipfXRqsFv9B/SQ2avwS R8yA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=7L4kksj/vfOAUbxuHKgQDlq1eiLc/XNqtZfav2j7JVs=; b=P7e/+LIo/cfTuSyQFjce3tQZp6/cFtcicriiFgxqdAQTt1o58oCX0BMORJUA7u/E7t 2GQIFFYEc7BzSX/OPWmKniST6piXqCvDZs+wfXYvjK/IIdHD+Zjd7y2HwqAOzjwHzbpp aW+lUnZ2YIb7yutcuHACM+dI3+mTyPFLmz1FiPoAysb46UkQc7hGnU9yp40N8th0wYDL YbA0d7JcjayaE8o0Kg9vWcql8rFPdA1n8ThVd5PnC8yO96MeeCvBdcZOOeT0SFijuwHZ Nm7HfhjZbTCj9A+yIe4HxWfIVrmEJ+pb4xEGGMk2OD5Z+QIxgkDsImXt5MjpKbVbxNF2 icYA== X-Gm-Message-State: AOAM532LnvH0gIjIi7Y0OPYQ8lrFmvKw5LyK+wMInNiFyJojW52lzILk 1UX+hJ+WqyQSNs5DkuFglA95DlP78PAF644XMUu5oHRMAevmHA== X-Google-Smtp-Source: ABdhPJzah4445d7rlsM/MOuKDZT+/KyPCUkqd8cC0SG0y0ixvYaQx9ZMzPCSjcA5UWfZ871Hmvxv4+guF4BBMJEixAY= X-Received: by 2002:a92:b74d:: with SMTP id c13mr7737985ilm.176.1626293994890; Wed, 14 Jul 2021 13:19:54 -0700 (PDT) MIME-Version: 1.0 References: <20210704202756.29107-1-ojeda@kernel.org> <20210704202756.29107-3-ojeda@kernel.org> In-Reply-To: From: Miguel Ojeda Date: Wed, 14 Jul 2021 22:19:43 +0200 Message-ID: Subject: Re: [PATCH 02/17] kallsyms: increase maximum kernel symbol length to 512 To: Nick Desaulniers Cc: Miguel Ojeda , Linus Torvalds , Greg Kroah-Hartman , rust-for-linux , Linux Kbuild mailing list , Linux Doc Mailing List , linux-kernel , Alex Gaynor , Geoffrey Thomas , Finn Behrens , Adam Bratschi-Kaye , Wedson Almeida Filho Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: rust-for-linux@vger.kernel.org On Wed, Jul 14, 2021 at 8:20 PM Nick Desaulniers wrote: > > For C++ demangling, we have c++filt. > > A quick search turned up: https://github.com/luser/rustfilt > > but if the v0 mangling scheme is upcoming, I doubt a repo that hasn't > been updated supports an upcoming scheme. Is there a more official > equivalent? Demangling v0 is already supported by the latest releases of binutils (2.36) / gdb (10.2), e.g.: echo _RNvXNtCshGpAVYOtgW1_7example9my_moduleINtB2_13MyGenericTypeNtB2_6MyTypeENtB2_7MyTrait9my_method | c++filt -i as example::my_module::MyTrait>::my_method See the current status at https://github.com/rust-lang/rust/issues/60705. (which reminds me I have to update the "Hacking" section in the Quick Start guide, because now the releases I backported the support into are not needed anymore) Cheers, Miguel