From owner-svn-src-projects@freebsd.org Tue Sep 3 14:07:22 2019 Return-Path: Delivered-To: svn-src-projects@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id EF12FDD9CF for ; Tue, 3 Sep 2019 14:07:22 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [96.47.72.132]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46N80V4ZgZz4QXY; Tue, 3 Sep 2019 14:07:22 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 1452) id 388D71B521; Tue, 3 Sep 2019 14:06:37 +0000 (UTC) X-Original-To: yuripv@localmail.freebsd.org Delivered-To: yuripv@localmail.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [96.47.72.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mx1.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by freefall.freebsd.org (Postfix) with ESMTPS id 6446211F80; 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Mon, 22 Apr 2019 16:22:59 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5C5956BC7E; Mon, 22 Apr 2019 16:22:59 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from John-Baldwins-MacBook-Pro-3.local (ralph.baldwin.cx [66.234.199.215]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) (Authenticated sender: jhb) by smtp.freebsd.org (Postfix) with ESMTPSA id C355D10EBD; Mon, 22 Apr 2019 16:22:58 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Subject: Re: svn commit: r346492 - projects/runtime-coverage-v2/lib/libclang_rt To: Enji Cooper , src-committers@freebsd.org, svn-src-projects@freebsd.org References: <201904211926.x3LJQeg2024873@repo.freebsd.org> From: John Baldwin Openpgp: preference=signencrypt Autocrypt: addr=jhb@FreeBSD.org; 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Intel Mac OS X 10.12; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <201904211926.x3LJQeg2024873@repo.freebsd.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk X-Loop: FreeBSD.org Sender: owner-src-committers@freebsd.org X-Rspamd-Queue-Id: 2A3A76BC80 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.96 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.97)[-0.965,0]; REPLY(-4.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0] Status: O X-BeenThere: svn-src-projects@freebsd.org X-Mailman-Version: 2.1.29 List-Id: "SVN commit messages for the src " projects" tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Tue, 03 Sep 2019 14:07:23 -0000 X-Original-Date: Mon, 22 Apr 2019 09:22:59 -0700 X-List-Received-Date: Tue, 03 Sep 2019 14:07:23 -0000 On 4/21/19 12:26 PM, Enji Cooper wrote: > Author: ngie > Date: Sun Apr 21 19:26:40 2019 > New Revision: 346492 > URL: https://svnweb.freebsd.org/changeset/base/346492 > > Log: > Build libclang_rt/profile on all clang-supported architectures > > There's no reason why a special case needs to be added specifically for amd64, > arm, and i386, as the code is written in machine architecture agnostic C/C++. > > There might be compilation/link time issues, but we'll find out soon. For a sanitizer to be useful, you need to make sure clang's FreeBSD driver will actually use it. clang has builtin knowledge about which sanitizers work on which architectures. Just building the library alone doesn't enable it unless you also check the driver in clang. I haven't looked to see what conditions clang places on the profile case, but I am familiar with this from working on ASAN support for mips. -- John Baldwin