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=-2.7 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,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 6D6B5C433E0 for ; Fri, 5 Feb 2021 23:53:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 300AC65004 for ; Fri, 5 Feb 2021 23:53:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230039AbhBEXxB (ORCPT ); Fri, 5 Feb 2021 18:53:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232207AbhBEOOq (ORCPT ); Fri, 5 Feb 2021 09:14:46 -0500 Received: from mail-il1-x131.google.com (mail-il1-x131.google.com [IPv6:2607:f8b0:4864:20::131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AEA74C061A2A; Fri, 5 Feb 2021 07:50:49 -0800 (PST) Received: by mail-il1-x131.google.com with SMTP id p15so6191118ilq.8; Fri, 05 Feb 2021 07:50:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:reply-to:from:date:message-id :subject:to:cc; bh=kiM8WMFjST9dsy9zDah68/XyOF2KBPOv5W+GYkbdeSU=; b=ZhDvtHxZgtHTeY5fyZvbph2aXejeBONUjk0laSyWHs/QDFG5LJ9yIUTaOXQcYVmy1/ WS2CJ0uUMJMdBwp2t4lWN2kSj7CHRJYMY0sCM23/kj5OZH6cDxo7YmwkWXjiK02SLu0Z JVwInYdwgJmkye65iGmTfoKn4kplizy4wl5YdYgk0LAsSJbI2La/jY2qjYlo8UZcKqVl Xz2SWjCKHDly+bUkdmUAx7IrxoQw4Yf1lMf1tRarksR+aM9oWtJFFNMumodtfZXEWP2S JUKXCicBRJQOYYWT0+MBQ7+X1QkKoZihCQ3tRVs212ww4K5xzs+SsxWedJpwe70fOl2q smQQ== 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:reply-to :from:date:message-id:subject:to:cc; bh=kiM8WMFjST9dsy9zDah68/XyOF2KBPOv5W+GYkbdeSU=; b=dR2SwLukGrJS3jjm7A3niy3higIPOv5dRpigFJTzRqWylgLjjZU2awnX0SaP2jlD1I FhznNpVeHuYn4xKafYKbC85LzLDQjUqcHzT8BVRPEHkP33XAYb+ut+vO+Ep7uM1zjNPI j/dfCixLQygnXDvAlUUw4OdqzOfMKD2OOQXvxsFJ1YDHS+3qmjaG0zBr3G/vx/HAav3P dpET5wRoULyaMcBKfP4QAwffJBq23DitHMzLR54tbvEvRNH0nbHif5GuQ37zEp/pj8zN t+Hb/wP+l4KSKCAw46GgHfyaWuCJ2QVYDW6X5WlSz44SX+Omn6q96EQ8w/LG98QROFig 2AdA== X-Gm-Message-State: AOAM5322IBGtzyH++M+Ag16BaMe5pTjIX1GUJSUr3MrSOo/ZLlDMlup8 6QvcF5FZziLZBWhHg+jNH8wpMY+KLLZOI429YA+VJHYCfHTXGYcS X-Google-Smtp-Source: ABdhPJw1QvaGYTrK47b0MkpUdbTRZaKI08TYAO8wf7udS7POZDrIiJ5UECvfvMWbmJe7zrApyTMXW7qOfbFwoG8G4Qw= X-Received: by 2002:a92:ce46:: with SMTP id a6mr4531229ilr.10.1612538650788; Fri, 05 Feb 2021 07:24:10 -0800 (PST) MIME-Version: 1.0 References: <20210204220741.GA920417@kernel.org> In-Reply-To: Reply-To: sedat.dilek@gmail.com From: Sedat Dilek Date: Fri, 5 Feb 2021 16:23:59 +0100 Message-ID: Subject: Re: ERROR: INT DW_ATE_unsigned_1 Error emitting BTF type To: Arnaldo Carvalho de Melo Cc: dwarves@vger.kernel.org, Linux Kernel Mailing List , bpf@vger.kernel.org, Jiri Olsa , Jan Engelhardt , Domenico Andreoli , Matthias Schwarzott , Andrii Nakryiko , Yonghong Song , Mark Wieelard , Paul Moore , Ondrej Mosnacek , =?UTF-8?Q?Daniel_P=2E_Berrang=C3=A9?= , Tom Stellard Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 5, 2021 at 3:41 PM Sedat Dilek wrote: > > On Fri, Feb 5, 2021 at 3:37 PM Sedat Dilek wrote: > > > > 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. > > Grepping the pahole sources: > > $ git grep DW_ATE > dwarf_loader.c: bt->is_bool = encoding == DW_ATE_boolean; > dwarf_loader.c: bt->is_signed = encoding == DW_ATE_signed; > > Missing DW_ATE_unsigned encoding? > Checked the LLVM sources: clang/lib/CodeGen/CGDebugInfo.cpp: Encoding = llvm::dwarf::DW_ATE_unsigned_char; clang/lib/CodeGen/CGDebugInfo.cpp: Encoding = llvm::dwarf::DW_ATE_unsigned; clang/lib/CodeGen/CGDebugInfo.cpp: Encoding = llvm::dwarf::DW_ATE_unsigned_fixed; clang/lib/CodeGen/CGDebugInfo.cpp: ? llvm::dwarf::DW_ATE_unsigned ... lld/test/wasm/debuginfo.test:CHECK-NEXT: DW_AT_encoding (DW_ATE_unsigned) So, I will switch from GNU ld.bfd v2.35.2 to LLD-12. - Sedat -