From owner-freebsd-emulation@FreeBSD.ORG Wed Oct 31 08:33:10 2012 Return-Path: Delivered-To: emulation@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 61221F3A for ; Wed, 31 Oct 2012 08:33:10 +0000 (UTC) (envelope-from decke@bluelife.at) Received: from mail-we0-f182.google.com (mail-we0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id C78478FC14 for ; Wed, 31 Oct 2012 08:33:09 +0000 (UTC) Received: by mail-we0-f182.google.com with SMTP id x43so639032wey.13 for ; Wed, 31 Oct 2012 01:33:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bluelife.at; s=google; h=mime-version:sender:x-originating-ip:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=qw82jS9BROJCG1iE+OiCFbPVUMMlIy1uEZqkR23qxHg=; b=Dsy7bNl/DjmiIbZRRslLyd4ClZkGoLUHEF8bO1ns5RWS6PgLlo/omACuzPoq8fWc5U TDPove82FiuztPUAyaeckMlCsYRlJKsxjguX20D8o442UKmrzgjbFku48B1PR6BJMs4T cCnqtYXWd+Rlc8xTqFcFMTSeN92s2aMWQW7D4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:sender:x-originating-ip:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding:x-gm-message-state; bh=qw82jS9BROJCG1iE+OiCFbPVUMMlIy1uEZqkR23qxHg=; b=B4j7ZvKs8sTJ9aHbyxtmJ0NMtBXGUeoeaY44iNTa9oFrofUKU/NxJWh9yLv1P7Etuw 2IOxX0uzjD3x7xIyDl428jqN4Nry3Aa2DTxsQwKJNONvYPK4JWubv7ZY8qlWwgizWp5Z /0ik7FpoUuK0f5eC3iBi20js+wZHdIXFy6MZuRzrbdtL6WwpPMmpvJ/HpxegUtPiuPOm 9SgYXZyElKnt9R3KpHsJszbYa4+gaeHSh0xlshC6zwXwPlHwlu6TnnsVvQ07jD4nFrSk wVL2mMRf3jC2o/pwyLsyS1Mdc6L/7/9Sz8W/1vCf92EojkIYwvT4Z/nZWhtVfNj4JuSq yHoA== MIME-Version: 1.0 Received: by 10.180.101.165 with SMTP id fh5mr1213714wib.7.1351672388375; Wed, 31 Oct 2012 01:33:08 -0700 (PDT) Sender: decke@bluelife.at Received: by 10.194.104.98 with HTTP; Wed, 31 Oct 2012 01:33:08 -0700 (PDT) X-Originating-IP: [80.123.233.199] In-Reply-To: <139b8512fefc230ef47d1b0a51e7ea88@intertainservices.com> References: <201210301512.12568.mike.jakubik@intertainservices.com> <139b8512fefc230ef47d1b0a51e7ea88@intertainservices.com> Date: Wed, 31 Oct 2012 09:33:08 +0100 X-Google-Sender-Auth: -wnsvYw4wiOx61kZOP4WGDffC24 Message-ID: Subject: Re: [Call for Testers] VirtualBox 4.2.4 From: =?ISO-8859-1?Q?Bernhard_Fr=F6hlich?= To: Mike Jakubik Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Gm-Message-State: ALoCoQm6LOCt3sVR2v1bVodS8zrtZ68seASVLD5Q8nzp+CkdaF+7tbqxgX/+mzoXSCim4w2utiLr Cc: emulation@freebsd.org, ports@freebsd.org, freebsd-ports@freebsd.org X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Oct 2012 08:33:10 -0000 On Wed, Oct 31, 2012 at 8:42 AM, Mike Jakubik wrote: > On 2012-10-30 08:07 PM, Jason Andresen wrote: >> >> On Oct 30, 2012, at 15:56, Bernhard Fr=F6hlich wrote= : >> >>> Clang does not support global registered variables so it's not supposed >>> to >>> work. >> >> >> Is this a feature? Is there a reason why clang couldn't be updated >> to support this if actual software is using it? > > > It is a feature, but it appears to be a dirty one. Below is a link to a > supposed Apple developer explaining the lack of this feature. I'm not a > programmer but a humble sysadmin, so i do not know if this is true. > > http://nondot.org/sabre/LLVMNotes/GlobalRegisterVariables.txt That problem also prevents QEMU from being build correctly with LLVM. I'm just quoting the LLVM Users Manual: "clang does not support global register variables; this is unlikely to be implemented soon because it requires additional LLVM backend support." http://clang.llvm.org/docs/UsersManual.html --=20 Bernhard Froehlich http://www.bluelife.at/