From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x135.google.com (mail-lf1-x135.google.com [IPv6:2a00:1450:4864:20::135]) by sourceware.org (Postfix) with ESMTPS id 51D8E3858D33 for ; Tue, 6 Feb 2024 23:24:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 51D8E3858D33 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 51D8E3858D33 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2a00:1450:4864:20::135 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1707261882; cv=none; b=w3XgfNmtMTShUV32raeyvHhpavF17c6rbDMw+1/oy9OiRUHg4b28twoF3CDOInt9/GXfie3xinmK0WG06NRRlXBnJMn8mxQmFdfbHswxkM4J9XFn1kWYapLO5H+a1jhjg4tgZ9hspMvEXkwhe6AkrlBV4IlDjqwtTXRbxtD/u50= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1707261882; c=relaxed/simple; bh=CI4moGU9QMIr/JK5ebPdKGwXkjkAELv0PPmSuWRg+Ww=; h=DKIM-Signature:MIME-Version:From:Date:Message-ID:Subject:To; b=P9IcLqUt9f0DDp9QN+Kj5/vlYcny7z0xLRjV7/CXUwNCrRil5NO7XnyXjJoOLNzkYaZEkiLi6M9tPi1iTDNNZtG0+v5zy8J7AEQ33UiJ7lBASmPsXTDTLEX7VWreS8zKd+JULlXgdyJJQYmFLpu5e4m7A58nJcQjRFNsDdLZDf0= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-lf1-x135.google.com with SMTP id 2adb3069b0e04-511612e0c57so23140e87.2 for ; Tue, 06 Feb 2024 15:24:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1707261879; x=1707866679; darn=sourceware.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=CI4moGU9QMIr/JK5ebPdKGwXkjkAELv0PPmSuWRg+Ww=; b=DnOAecHNaHJuYB7B4SLnRzefEIYFxjJzfgaXJtmsJncoi0pzNxlRtNmOZ/eamMovIS wkJPWxOKObkvJheItnGnONVM3hGfoEseLy7CEtegw092Sdml4mvHhFI01W+fFLkQr0at xOYPNo5CaBvhk5E6nSqyUdd3TGOagUjdivR8qQYYVCsZcon2zZy0uBskRQXzy/TlRwA/ Q+aXX9iPUAEwd3ZZQMlJwArC9zS8voJdai9XQFDZjN/UfLRh7lhcWvp6sw1vR9pua3eB 4U2e6GWwMiMCvRWuhGE9u8EPLWiRXdI9p/kVugqKYS/6dPHHoKCmyvgTp0dcLycdXD6j +Cjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707261879; x=1707866679; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=CI4moGU9QMIr/JK5ebPdKGwXkjkAELv0PPmSuWRg+Ww=; b=ZewWAbbfcVsoqRRSgpfTlqiWdIm0N2nB5qoz6P8oI1jG8z+p66HJB+S2wKLFiSprAr Zc+Tgv/fyer71dAXOPRAZGWy6w+IiqwZ22Ecvjl8XllfEn/hTMRmFkRFU6bN5kx4mQ+i 7uTXkpsCLACEQZZi/bC1aOqgVMJpPB0UkcccjF96JxDE6kyUUEMeHhR1QSClmj/NztoG VePvhsIrJikE2VSM+TbjSMAFwWXjUkueM0eRtLhw/f9JfAeLPZFwHrMuERhtQGm9onKP UWpWRlIuBOVRSEjSYwMIbh1O/Zj+JqYpEEI5N1ZGUmE72swB9EzK70vjZBOcF+9Ym2eK HlDg== X-Gm-Message-State: AOJu0Yzdq9suK9AFScdQ+iX0GU9dASfIhjtkoVy7EhOh7rdvwU2LB2Kl Mlcprk/y1XwsqG2GNAv4xWu7YtyFE40LF4sRRGQQrVxAOe9lupq596Ftc1Mt0e2gr26DOmpriEd wXoJ0K16Sky9RyDmxxu+LRHBGGnlrGg8FXwE= X-Google-Smtp-Source: AGHT+IGSKTXJkkMdWZdZN32lNChnR6wT5L/BuwJz+aMnG5NKa+Z9iB9B3Bl6JL9EwZELLHEvyfCqWksc82nudDpTACw= X-Received: by 2002:ac2:59c8:0:b0:511:4df9:367d with SMTP id x8-20020ac259c8000000b005114df9367dmr2453015lfn.32.1707261878435; Tue, 06 Feb 2024 15:24:38 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: William Roberts Date: Tue, 6 Feb 2024 17:24:26 -0600 Message-ID: Subject: Re: Enabling AARCH64 BTI To: DJ Delorie Cc: libffi-discuss@sourceware.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Tue, Feb 6, 2024, 16:36 DJ Delorie wrote: > > William Roberts writes: > > No, but it needs to be enabled in the good new notes for the ELF file > > or it gets disabled. I have a PR up. > > I understood that part, I just didn't want it to go from "not enabled" > to "enabled but always crashes" ;-) > At least then we know where we're missing them for labels :-p My initial testing was using libffi make check, so I'm assuming that tests these flows? I haven't done negative testing yet. I'm testing on a Fedora 39 VM running on an Apple M2. Note you need to set -cpu max -acel tcg. Apple's HVF seems to be lacking BTI/PAC support passthrough to the guest.