From owner-svn-src-head@freebsd.org Thu Nov 1 13:01:01 2018 Return-Path: Delivered-To: svn-src-head@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 BBB2910F2023; Thu, 1 Nov 2018 13:01:00 +0000 (UTC) (envelope-from ml@vishwin.info) Received: from varun.vishwin.info (varun.vishwin.info [46.101.93.59]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "varun.vishwin.info", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E362D74FA8; Thu, 1 Nov 2018 13:00:56 +0000 (UTC) (envelope-from ml@vishwin.info) Received: from varun.vishwin.info (fd35:9eae:7575::2 [IPv6:fd35:9eae:7575::2]) by varun.vishwin.info (OpenSMTPD) with ESMTP id 44700316; Thu, 1 Nov 2018 08:57:36 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=vishwin.info; h=subject :to:references:from:message-id:date:mime-version:in-reply-to :content-type; s=fuccboi12; bh=j/BWBpF4K5CXV0Kt9KMuBVIOiAcnYGvSs 3U5xaDW16k=; b=lv0JhlmMKHkGJQCeGgk9/4e3c27cr9rRP4N/8VYFXIE3ozlN9 uvn5JKCrsLQqiSxM5/53uLxmDBCn3ukl38EgAVfxuoteNpHRNNmwIcQahOfSsX75 K+OlY2M4W9uxGp/D1FQ+RM8U6UcusHE5JMmDtbuO7JAEw3vXQUwpAVi80Gpb8p0q WBGZZ1dSq/Z/baGqkbVN+jytdh6bw36Jt7a4BDxLgnPPPTfUIt95ZqCv1w1AeePC YfLO5IFXgUGVMn7t0jkPpE9d8Oky1jZgM8c2oTIMj7t8tbB3484MXb2zNBtPR0hk r+JwCCfWdhBSAkRxDhSKZTthZsK5EQU+iSQ1g== Received: from [IPv6:2001:470:8:6ca:cad7:19ff:fec0:a06d] (2001:470:8:6ca:cad7:19ff:fec0:a06d [IPv6:2001:470:8:6ca:cad7:19ff:fec0:a06d]) by varun.vishwin.info (OpenSMTPD) with ESMTPSA id fd77c86d TLS version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO; Thu, 1 Nov 2018 08:57:36 -0400 (EDT) Subject: Re: svn commit: r339898 - head/lib/libc/amd64/sys To: Konstantin Belousov , svn-src-head@freebsd.org, current@freebsd.org, toolchain@freebsd.org References: <201810300011.w9U0BUui038857@repo.freebsd.org> From: Charlie Li Openpgp: preference=signencrypt Autocrypt: addr=ml@vishwin.info; 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FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <201810300011.w9U0BUui038857@repo.freebsd.org> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="mVY8JbXg2b5a6Xhjx6u9jQp2sIvHNgbzx" X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Nov 2018 13:01:01 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --mVY8JbXg2b5a6Xhjx6u9jQp2sIvHNgbzx Content-Type: multipart/mixed; boundary="VXCCe4XLvxobDqQWmYCQ7uJO8tYfzIBkk"; protected-headers="v1" From: Charlie Li To: Konstantin Belousov , svn-src-head@freebsd.org, current@freebsd.org, toolchain@freebsd.org Message-ID: Subject: Re: svn commit: r339898 - head/lib/libc/amd64/sys References: <201810300011.w9U0BUui038857@repo.freebsd.org> In-Reply-To: <201810300011.w9U0BUui038857@repo.freebsd.org> --VXCCe4XLvxobDqQWmYCQ7uJO8tYfzIBkk Content-Type: text/plain; charset=utf-8 Content-Language: en-GB-large Content-Transfer-Encoding: quoted-printable On 29/10/2018 20:11, Konstantin Belousov wrote: > Author: kib > Date: Tue Oct 30 00:11:30 2018 > New Revision: 339898 > URL: https://svnweb.freebsd.org/changeset/base/339898 >=20 > Log: > Convert amd64_get/set_fs/gsbase to ifunc. > =20 > Note that this is the first use of ifuncs in our userspace. > =20 > Sponsored by: The FreeBSD Foundation > MFC after: 1 month >=20 > Deleted: > head/lib/libc/amd64/sys/amd64_detect_rdfsgsbase.c > head/lib/libc/amd64/sys/amd64_detect_rdfsgsbase.h > Modified: > head/lib/libc/amd64/sys/Makefile.inc > head/lib/libc/amd64/sys/amd64_get_fsbase.c > head/lib/libc/amd64/sys/amd64_get_gsbase.c > head/lib/libc/amd64/sys/amd64_set_fsbase.c > head/lib/libc/amd64/sys/amd64_set_gsbase.c >=20 Using LLVM 7 to build world, fails: --- amd64_get_fsbase.o --- /usr/src/lib/libc/amd64/sys/amd64_get_fsbase.c:60:1: error: ifunc resolver function must have no parameters --- amd64_get_gsbase.o --- /usr/src/lib/libc/amd64/sys/amd64_get_gsbase.c:60:1: error: ifunc resolver function must have no parameters DEFINE_UIFUNC(, int, amd64_get_gsbase, (void **), static) ^ /usr/local/obj/usr/src/amd64.amd64/tmp/usr/include/x86/ifunc.h:43:44: note: expanded from macro 'DEFINE_UIFUNC' --- amd64_get_fsbase.o --- DEFINE_UIFUNC(, int, amd64_get_fsbase, (void **), static) ^ /usr/local/obj/usr/src/amd64.amd64/tmp/usr/include/x86/ifunc.h:43:44: note: expanded from macro 'DEFINE_UIFUNC' --- amd64_get_gsbase.o --- qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \= ^ --- amd64_get_fsbase.o --- qual ret_type name args __attribute__((ifunc(#name "_resolver"))); \= ^ 1 error generated. --- amd64_get_gsbase.o --- 1 error generated. *** [amd64_get_gsbase.o] Error code 1 make[4]: stopped in /usr/src/lib/libc CI appears green after this commit, so I'm inclined to pin this on yet another instance of LLVM 7 being stricter than LLVM 6. Backing out this revision allows the build to continue (successfully). --=20 Charlie Li Can't think of a witty .sigline today=E2=80=A6 (This email address is for mailing list use only; replace local-part with vishwin for off-list communication) --VXCCe4XLvxobDqQWmYCQ7uJO8tYfzIBkk-- --mVY8JbXg2b5a6Xhjx6u9jQp2sIvHNgbzx Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEE/3/Cqr5a+41PbEb+jnB43vIDq2wFAlva+DwACgkQjnB43vID q2ymnA//VPMjcUnWr85R3WDEugYWjNQZ1PRMzJoE5yl5meVrb4mN3cM8LAONid2x FsyKmEgnwRpvCuTzthyrqmzWA1mEBqzX6ruCsaP6dVCCDPwSrbDJjkQfuciXHK+J Ryv4QICrRctkuYwPoxk2MdX97vStdRutp7HzGeRhPDojTUCwzKB5mKOefVCwh2Nf p8XJ4Q0H003DKc3/zBqvcmM3eeuETq/T6ALokD2Vo2E6JBCbnO2p2LoObzowH9Ur hNF8nycIJRX0nyNXwKRh7GA9BojINq10JNW/pTi7Rnvl3nJgG0a2J7v2d2Ed5w73 pYriflzTZlZHHMWNwVVkClJkaOEaZhqf3CehIXD3BURSXPH58F5J7Qhl09CJ8HnH yhUiK+BLke7I7KNjenXyQLfdRsnKJ5WGbiI0ULBaMMjNWf7Z8ilFsFCjs4Z/KPTB ufvRL35VETlIs0NI2BR7kpYpihZWIBZzLc+RX+nMJ5UrvmhpZ+6w9VluesKeMdOE nIVIv7XV6Uop4AsmMgP8X/cMQsnBwv0m9RUAnS+KTgsdXM8VvHpsKl09XqdlYnRu 0IIJpwe9Aq2BphG8ys67d0XJIAENQs0YeX6/GzFctqgavAA0S+WU/WbIAff4EkxJ FV44ax4e64SGhUuCUc3r4ou1BHcOQgA8MlgTJdaltVgNbjaPHXs= =XSeE -----END PGP SIGNATURE----- --mVY8JbXg2b5a6Xhjx6u9jQp2sIvHNgbzx--