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=-21.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable 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 69850C433E0 for ; Fri, 5 Feb 2021 21:13:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1DB0464FC6 for ; Fri, 5 Feb 2021 21:13:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233654AbhBEVMy (ORCPT ); Fri, 5 Feb 2021 16:12:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229795AbhBEVMT (ORCPT ); Fri, 5 Feb 2021 16:12:19 -0500 Received: from mail-pf1-x44a.google.com (mail-pf1-x44a.google.com [IPv6:2607:f8b0:4864:20::44a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7C90EC0617A9 for ; Fri, 5 Feb 2021 13:10:12 -0800 (PST) Received: by mail-pf1-x44a.google.com with SMTP id f6so5893435pfn.6 for ; Fri, 05 Feb 2021 13:10:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=PWPQxeCAdhLh3iBL7DE/6gQVuXBKlPLZEtdhRuCjmxw=; b=NVSHL24F+1cvfoWwSWqqObWmcSZ+jmqBVq/c4//iEhKqhjfAp3ck1OyTyQIfo6vOwq IzvZWR1V+fZmIKTRY6keeQrrjFffwzyRbKg3KIWQTXZG0lh7XU9IgpA+YOZv+FIAZcRT Y+vHWkVnhODRGhUCp43s+0N8646L9yGlYSaJMHPWkJcbGyxE6mfFn2GgozQvGnNmv/hx DOC8+qufXNZX+iIhg7SxYhq7Zs8t7mHXlFelstQIOF6k3tYIMUgbiCKZ1vrIn7pt4aLn VPPBnli46CbhzX6rWKn9wdj2s6mcob+dODr4z/GN36VnNl7wnwOxI27Y/AXrcLtdrIDP saug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=PWPQxeCAdhLh3iBL7DE/6gQVuXBKlPLZEtdhRuCjmxw=; b=ZH+713y+y9kDj3nLuN2mDf7Z5VESHspEUgXb76+hBaT3ky2qVvef34p+ZvpukUsF4N I1efSZ+SSFKHkXqPpj6yHfx+Lu5Om8wTJ6CUgZZmau1EIzzxXMLeX5gyg+e6LVlHui9v yQGp/ImWZppWHPCZvvxZDqqvn+dw9TGXsesI/kxjGQOxZfzUaW9j3VHV6TtGYCm+RfqN SBs51mM1Xp1xqFntm3UMWwSx1stPmUKgmwjnWdFNt20QpQabVV0xlEV9u7NC//hutSkm arK1AgVZhRIa+4WOlKGtAb8wUO9v8Fw2rl0sE1DngzUri7K/2yuU7k9meeJrCbfkbbU3 GbyQ== X-Gm-Message-State: AOAM532G8S8bogm9f/LpsIdw3PKUU4/72IaohsB53nxeNH7cu7wogjhU CJeHoXsyV1K9+hMfylFtmrEuVu6Se9V0lUZyjI0= X-Google-Smtp-Source: ABdhPJxExyVCuSceD3ifRJmPh4e6qYieel8G6WM1s0Z4zTD3g3ANK25YrnpQAQC6Cgtpy/n50ph6dZ0xx7gfZ2oOuns= Sender: "ndesaulniers via sendgmr" X-Received: from ndesaulniers1.mtv.corp.google.com ([2620:15c:211:202:fce9:1439:f67f:bf26]) (user=ndesaulniers job=sendgmr) by 2002:a17:90a:2b8c:: with SMTP id u12mr5684697pjd.98.1612559412019; Fri, 05 Feb 2021 13:10:12 -0800 (PST) Date: Fri, 5 Feb 2021 13:10:10 -0800 In-Reply-To: Message-Id: <20210205211010.2764627-1-ndesaulniers@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.30.0.478.g8a0d178c01-goog Subject: Re: ERROR: INT DW_ATE_unsigned_1 Error emitting BTF type From: Nick Desaulniers To: sedat.dilek@gmail.com Cc: andriin@fb.com, arnaldo.melo@gmail.com, berrange@redhat.com, bpf@vger.kernel.org, cavok@debian.org, dwarves@vger.kernel.org, jengelh@inai.de, jolsa@kernel.org, linux-kernel@vger.kernel.org, mjw@redhat.com, omosnace@redhat.com, paul@paul-moore.com, tstellar@redhat.com, yhs@fb.com, zzam@gentoo.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Hi, > > when building with pahole v1.20 and binutils v2.35.2 plus Clang > v12.0.0-rc1 and DWARF-v5 I see: > ... > + info BTF .btf.vmlinux.bin.o > + [ != silent_ ] > + printf %-7s %s\n BTF .btf.vmlinux.bin.o > BTF .btf.vmlinux.bin.o > + LLVM_OBJCOPY=/opt/binutils/bin/objcopy /opt/pahole/bin/pahole -J > .tmp_vmlinux.btf > [115] INT DW_ATE_unsigned_1 Error emitting BTF type > Encountered error while encoding BTF. Yes, I observe this error, too. https://gist.github.com/nickdesaulniers/ae8c9efbe4da69b1cf0dce138c1d2781 via v9 of my DWARF v5 series, which should help make this easier to reproduce: https://lore.kernel.org/lkml/CA+icZUW3sg_PkbmKSFMs6EqwQV7=hvKuAgZSsbg=Qr6gTs7RbQ@mail.gmail.com/T/#m45ec7e6df4c4b5e9da034b95d7dfc8e2a0c81dac