From owner-freebsd-toolchain@freebsd.org Thu Mar 15 14:00:19 2018 Return-Path: Delivered-To: freebsd-toolchain@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CA164F54304; Thu, 15 Mar 2018 14:00:19 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: from mail-io0-x232.google.com (mail-io0-x232.google.com [IPv6:2607:f8b0:4001:c06::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 56890825BD; Thu, 15 Mar 2018 14:00:19 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: by mail-io0-x232.google.com with SMTP id l12so8670562ioc.10; Thu, 15 Mar 2018 07:00:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=pobxxFfI8LPErMtrBi+Ora961YfIrHjvKf5PYgoh6mw=; b=XWtAtws+fLo4h38Z/fB79Q/TRHopSCnmuyquoxibR51HfyXaCjQKI+37M5v3LRbb1+ 6paA0RLG5bs+gcTgLigNpaeaSwmp9Nyi/Uo7QRQMzZLwuGo9AWSxHLQ7YkKfoZXofpty IehrSKd/Yso+LF0iuyszj5xP8rWYyvNbt5HY4z6WNogvO3FUFFYdS62iCVi/LaRc47vs BsRAIQ1u8k6+3u/d4RGjya310tJvcDZdXZwKWwAelWf5Gt0dNwF07U4HzkiBnRP2pSfi JyUfdcSUhueRnM+DjrOefqVw/iPWwj+ae5yJLZpa4+2UglmeFh/Qn9XW260dqheqitlv Ru8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=pobxxFfI8LPErMtrBi+Ora961YfIrHjvKf5PYgoh6mw=; b=Xidk7aqlx3WKeoLveIXFSEvu1jFxBGB+mbidFNNJy1bSS1SCY4A6mKAM92+DGphfWB aEdetbrdYT5fzMy36I23WudmKyiEw4Dt0F0dWTvfwnZa2TR95j9HKNGjjJihq5r5SeCy djDXrEuRFkUgMbhrzxekoGHtcX1uF/jZD47EY/InLfEYfgn7Pj5pUbXyi4Br/FOiqI5Z PiEEiZlNZStWtpVUmSVycXMBI9kXNXW9UeiST0zixKYl7x5mHtyZplFv/rDSxs+2AijK ciR0FvB4m/CTigQmZqNKMWzPDe+1dC16U/VX5i/JxnKj2+lQcki5SkTgk/BBzMh+9rfl l7Fg== X-Gm-Message-State: AElRT7EYYAD2wJ7wNHUfzF4bpfpQl7YbWTkesqp/35oCj3RpeOY017EK TRQ9bLz6ckZ/Os/+M6uggMqc0kBkgoHlLCJWAvw= X-Google-Smtp-Source: AG47ELt2Mmbz2DuC1aJRtu4DNUfF2Dc+1/xZWqEfzhSI3+pdGOaf56oBk4nqFLQ/Mc+c6BrDnK29s3TyG/lrkkjTIJ0= X-Received: by 10.107.20.131 with SMTP id 125mr9340082iou.239.1521122418696; Thu, 15 Mar 2018 07:00:18 -0700 (PDT) MIME-Version: 1.0 Sender: carpeddiem@gmail.com Received: by 10.107.163.13 with HTTP; Thu, 15 Mar 2018 06:59:58 -0700 (PDT) In-Reply-To: References: From: Ed Maste Date: Thu, 15 Mar 2018 09:59:58 -0400 X-Google-Sender-Auth: aJM0-WqgYVGLuv0N2i3BTc43IoI Message-ID: Subject: Re: Migrating arm(v7) to LLD_BOOTSTRAP To: meloun.michal@gmail.com Cc: Warner Losh , "freebsd-arm@freebsd.org" , "freebsd-toolchain@FreeBSD.org" Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-toolchain@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Maintenance of FreeBSD's integrated toolchain List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Mar 2018 14:00:20 -0000 On 17 January 2018 at 00:35, Michal Meloun wrote: > >>> ld: error: lld may use movt/movw, no object with architecture >>> supporting feature detected. > > But this means that we can not use lld for kernel module linking. > (assuming that lld can emits movt/movw with attached relocation). Right now for pre-v7 lld exits with the "may use" before attempting to link, with no indication of whether movt/movw would actually be used. It seems in practice linking armv7 with lld does not use movt/movw.