From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/5699 Path: news.gmane.org!not-for-mail From: Jens Gustedt Newsgroups: gmane.linux.lib.musl.general Subject: reserved symbol violations Date: Sat, 02 Aug 2014 18:28:03 +0200 Message-ID: <1406996883.8274.181.camel@eris.loria.fr> Reply-To: musl@lists.openwall.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-wDkCpSHhj7XBqNoGyUJS" X-Trace: ger.gmane.org 1406996911 32196 80.91.229.3 (2 Aug 2014 16:28:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 2 Aug 2014 16:28:31 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-5704-gllmg-musl=m.gmane.org@lists.openwall.com Sat Aug 02 18:28:26 2014 Return-path: Envelope-to: gllmg-musl@plane.gmane.org Original-Received: from mother.openwall.net ([195.42.179.200]) by plane.gmane.org with smtp (Exim 4.69) (envelope-from ) id 1XDcAT-0000v5-D4 for gllmg-musl@plane.gmane.org; Sat, 02 Aug 2014 18:28:25 +0200 Original-Received: (qmail 23957 invoked by uid 550); 2 Aug 2014 16:28:23 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Original-Received: (qmail 23882 invoked from network); 2 Aug 2014 16:28:13 -0000 X-IronPort-AV: E=Sophos;i="5.01,787,1400018400"; d="scan'";a="88052081" Face: 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Cj15cu23XZI4/826Px/xqB37z547sPH374oOvnKTsOb+1zuCoImZARM8ZiLlKkXcWOcoFRJ+Do/CwFO4e2DEe+9Ti+ZXA8ny/cU+X4bMKRZxZIVEiqXI6/+NKuUzPHb7z40ovnX3zx+Ctuq38HyuqWG7Tu+A0AAAAASUVORK5CYII= X-Mailer: Evolution 3.4.4-3 Xref: news.gmane.org gmane.linux.lib.musl.general:5699 Archived-At: --=-wDkCpSHhj7XBqNoGyUJS Content-Type: multipart/mixed; boundary="=-8wBo478v+8JbKLB8dp8N" --=-8wBo478v+8JbKLB8dp8N Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Hi, by digging into the symbols that are dragged into a C11 thread executable I noticed that there are some hotspots that should perhaps be worth looking at. I attach a file that summarizes the findings. One is simple, I'd change the reference to clock_gettime in __timedwait to __clock_gettime. There are bunch of others, that look simple to resolve, tell me if I should look into that. One looks weird, though, lock_ptc.o It is only linked (via __synccall) if setrlimit or setxid are. But then it drags a whole bunch of pthread symbols in, which looks wrong to me. Also I think that this doesn't really capture the need, because the code is only active if both setrlimit *and* pthread_create are *used*. So in the absence of either of it, __syncall shouldn't be linked. But I wouldn't know how to achieve this with weak symbols, I have to admit. 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