From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outpost1.zedat.fu-berlin.de (outpost1.zedat.fu-berlin.de [130.133.4.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E8C801E501C for ; Mon, 16 Jun 2025 11:10:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=130.133.4.66 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750072252; cv=none; b=Hhw0SsAUQI/z8OaNcTYx68xZvoKYl3XS9U1TUrrIHOgCH1V/baPPpmqOaEueJ4UGaygKtYy3OCCnrYf0Q60Ildsyi5T/oT+XBao6/glVUBQV7tfp6KpGfUbRRQmn2PVjOdphwC9XDmWREtqBBC58xpLVYziNAchfauw3f63Bsgw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750072252; c=relaxed/simple; bh=BOnVNbUHQG7gid2GZ28sYv4AovLjkphJon3nojqgHBc=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=qJSoK6OtHvdZzDG6r/s5+tlM/D8OUd1n8j5mG395iPR8sE5Lq9yHC3eutkf2nUwmUs4bsNEB7zfHfucFw8VtBVgLvXpvWueOTHDfuarXPTOP7H5DtGFftIi4qNKPdYKisalcGIzqCPXynpUZb44h9Z0mxtM41El/KGjBtl269r4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=physik.fu-berlin.de; spf=pass smtp.mailfrom=zedat.fu-berlin.de; dkim=pass (2048-bit key) header.d=fu-berlin.de header.i=@fu-berlin.de header.b=BMfu+aQV; arc=none smtp.client-ip=130.133.4.66 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=physik.fu-berlin.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zedat.fu-berlin.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fu-berlin.de header.i=@fu-berlin.de header.b="BMfu+aQV" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=fu-berlin.de; s=fub01; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=K9S47laos81pBDuREqJyrr82chUyYyZmrC6+vvFxCIA=; t=1750072250; x=1750677050; b=BMfu+aQVuRkDsTeCxf63B13P/5duhlRQp5ZvVlJmfk6+MKtzHqjPQ/PKYLIRLrOdBoYiBnP2wPg Hpdyl4o3ZAz4d29hCCNhVb7bkMvjLAGxM6O/b+ZYvq+dO+3/w/w48onKVerXuVVwrO9MVgc9skM42 AJRA/6obzwmcPLb4q2tfcxOKWMksrYwoFAaUULB7V0aKPnFbK2onvkUGnv6E/eF/YsdgyRMuOnJTk +JERHjVSW/y5Nx4rbEN9lwTdgPZRHTcT3a0x3YY/C3CLx5w8pzTcsjYbBf7j+m5HB1fpaYzWITGjP Du8YcGkDpRhWyzYmm6HjM1TpJ2Ezp/P2AQig==; Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69]) by outpost.zedat.fu-berlin.de (Exim 4.98) with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (envelope-from ) id 1uR7jj-00000003idu-383z; Mon, 16 Jun 2025 13:10:47 +0200 Received: from p57bd96d0.dip0.t-ipconnect.de ([87.189.150.208] helo=[192.168.178.61]) by inpost2.zedat.fu-berlin.de (Exim 4.98) with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (envelope-from ) id 1uR7jj-00000000BnV-24ei; Mon, 16 Jun 2025 13:10:47 +0200 Message-ID: Subject: Re: Question on BIGGEST_ALIGNMENT in GCC on NetBSD/m68k From: John Paul Adrian Glaubitz To: Laurent Vivier , Geert Uytterhoeven Cc: port-m68k , debian-68k , linux-m68k Date: Mon, 16 Jun 2025 13:10:46 +0200 In-Reply-To: <52a181ca-a6fa-4f1a-9344-3e809a036cfa@vivier.eu> References: <569d73fb-8ad5-46f0-bf4c-568919f319e7@helsinkinet.fi> <022ab204-7be9-4f6a-a92f-2601fae1f146@vivier.eu> <5d8619dfe4134319b558684209f2b89c5c1447cf.camel@physik.fu-berlin.de> <479479a8-a315-4687-af2b-4fc0efed7a6b@vivier.eu> <708ea8ed-c1b3-4f9a-83fe-af979bc194b1@vivier.eu> <0cf54bd607a7926414d6c9a0350fe93898a235ce.camel@physik.fu-berlin.de> <1960b583-2100-468e-8e1e-face3f7f10d6@vivier.eu> <5d8b1560fb29bec6d56ff6d8aafb4931a7079b63.camel@physik.fu-berlin.de> <7a80e6f1-1ac8-4082-b37f-f577ca0bdd5d@vivier.eu> <52a181ca-a6fa-4f1a-9344-3e809a036cfa@vivier.eu> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 Precedence: bulk X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Original-Sender: glaubitz@physik.fu-berlin.de X-ZEDAT-Hint: PO On Mon, 2025-06-16 at 13:05 +0200, Laurent Vivier wrote: > I think an e_flags with a new value like EF_M68K_ABI2 would be more appro= priate. How is it currently used on m68k and does QEMU use it? I think that would b= e certainly a way to go. FWIW, I checked EI_OSABI on hppa out of curiosity: glaubitz@panama:~$ uname -a Linux panama 6.12.32-parisc64 #1 SMP Debian 6.12.32-1 (2025-06-07) parisc64= GNU/Linux glaubitz@panama:~$ readelf -h /bin/bash|grep "OS/ABI" OS/ABI: UNIX - GNU glaubitz@panama:~$ Compare that to x86_64: glaubitz@suse-laptop:~> uname -a Linux suse-laptop 6.15.1-1-default #1 SMP PREEMPT_DYNAMIC Thu Jun 5 14:29:= 05 UTC 2025 (75961ad) x86_64 x86_64 x86_64 GNU/Linux glaubitz@suse-laptop:~> readelf -h /bin/bash|grep "OS/ABI" OS/ABI: UNIX - System V glaubitz@suse-laptop:~> Adrian --=20 .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913