From nobody Wed Aug 04 01:09:40 2021 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id EDCF7137FE18; Wed, 4 Aug 2021 01:10:02 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: from mail-io1-f51.google.com (mail-io1-f51.google.com [209.85.166.51]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4GfYZ16vTNz4dtV; Wed, 4 Aug 2021 01:10:01 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: by mail-io1-f51.google.com with SMTP id n19so650737ioz.0; Tue, 03 Aug 2021 18:10:01 -0700 (PDT) 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=5c+6kiUNqTRnH23tp5Mo50VO5czSh+sc1BmU+Ch1pJ0=; b=UADcrovnGyR/jT9gVltLmx0MK1b61ebFTTOqUKa9bo5p5ka+fgNHrndkdqc6pmKKp7 AK2dj28C3eaOOz80xjuw9FHyCar5fK5ywVK8rTZTG+q6x7oLRqASPq2dHrjfzrjf/L6L 7d2l6g2Pk3OC8i/IryDjhCCWapC+UkRcq+FJG1ORtgDC1CXL77edU2c59Y+ymfiCVodh FdS4yOKk67C0j4imZ6dgdbscoDx4uV+71EA/TajyTalNLS1BCtmjlQYRzlaHK6/eFxG/ YJMg3oOqniM6anvXlvx7Jt2B4VRJ+wslE4k1IqNz9Pc1ieFSrCt1CkOAclX21QjmgdUS Ln6w== X-Gm-Message-State: AOAM533e1gENnDU2ZIM8lCzqA0QeAhq3l8+u/Z2YS4eSCZQQ0qXRjunU DkVsV0FWy63BkcagRsoAJaTw16PDQlYfGVet2BADa5ATvuI= X-Google-Smtp-Source: ABdhPJxnGJP5X0x/eSdf6gqxP3FpGVBEeshMEihaBatYYBTTyU+txrEG1iV/TyMvVILRCPYjmBu/5thaf0RGi6tJPgw= X-Received: by 2002:a05:6638:34aa:: with SMTP id t42mr21373111jal.128.1628039394732; Tue, 03 Aug 2021 18:09:54 -0700 (PDT) List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 References: <20210802131132.c7egr6cphq322qcj@mutt-hbsd> In-Reply-To: <20210802131132.c7egr6cphq322qcj@mutt-hbsd> From: Ed Maste Date: Tue, 3 Aug 2021 21:09:40 -0400 Message-ID: Subject: Re: Migrating to LLVM binutils tools (ar, nm, addr2line, etc.) To: Shawn Webb Cc: "freebsd-toolchain@FreeBSD.org" , FreeBSD Hackers , Dimitry Andric , Alexander Richardson Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 4GfYZ16vTNz4dtV X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of carpeddiem@gmail.com designates 209.85.166.51 as permitted sender) smtp.mailfrom=carpeddiem@gmail.com X-Spamd-Result: default: False [-2.88 / 15.00]; ARC_NA(0.00)[]; TO_DN_EQ_ADDR_SOME(0.00)[]; FREEFALL_USER(0.00)[carpeddiem]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17:c]; RCVD_TLS_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCPT_COUNT_FIVE(0.00)[5]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-0.99)[-0.990]; RCVD_IN_DNSWL_NONE(0.00)[209.85.166.51:from]; NEURAL_HAM_MEDIUM(-0.89)[-0.889]; FORGED_SENDER(0.30)[emaste@freebsd.org,carpeddiem@gmail.com]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.166.51:from]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; FROM_NEQ_ENVFROM(0.00)[emaste@freebsd.org,carpeddiem@gmail.com]; FREEMAIL_ENVFROM(0.00)[gmail.com]; RCVD_COUNT_TWO(0.00)[2] X-ThisMailContainsUnwantedMimeParts: N On Mon, 2 Aug 2021 at 09:11, Shawn Webb wrote: > > For most cases, when elftc-ar fails, it does not set the exitcode to > non-zero. This tricks the ports tree to continue to build a port where > elftc-ar actually errored. Thanks for the notice - I didn't see this email until now, but saw the related discussion on HardenedBSD's IRC channel this morning. Note that FreeBSD ar is different from ELF Tool Chain's ar; the latter is a fork of FreeBSDs, and there are some distinct bug fixes or improvements in each version that are not present in the other. Here FreeBSD's ar is buggy, and llvm-ar, GNU ar, and ELF Tool Chain's ar all return a non-zero exit code. Code review with fix for FreeBSD's ar: https://reviews.freebsd.org/D31402 Exp-run request: https://bugs.freebsd.org/257599