From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/6002 Path: news.gmane.org!not-for-mail From: Jens Gustedt Newsgroups: gmane.linux.lib.musl.general Subject: Re: [PATCH 3/8] use weak symbols for the POSIX functions that will be used by C threads Date: Sun, 31 Aug 2014 09:18:35 +0200 Message-ID: <1409469515.4476.270.camel@eris.loria.fr> References: <20140831001701.GM12888@brightrain.aerifal.cx> 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="=-Uku4uOIkozKVzvqj0Woi" X-Trace: ger.gmane.org 1409469523 24678 80.91.229.3 (31 Aug 2014 07:18:43 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 31 Aug 2014 07:18:43 +0000 (UTC) To: musl@lists.openwall.com Original-X-From: musl-return-6009-gllmg-musl=m.gmane.org@lists.openwall.com Sun Aug 31 09:18:38 2014 Return-path: Envelope-to: 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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:6002 Archived-At: --=-Uku4uOIkozKVzvqj0Woi Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Am Samstag, den 30.08.2014, 20:17 -0400 schrieb Rich Felker: > On Sat, Aug 30, 2014 at 08:46:49PM +0200, Jens Gustedt wrote: > > diff --git a/src/mman/mprotect.c b/src/mman/mprotect.c > > index f488486..535787b 100644 > > --- a/src/mman/mprotect.c > > +++ b/src/mman/mprotect.c > > @@ -2,10 +2,12 @@ > > #include "libc.h" > > #include "syscall.h" > > =20 > > -int mprotect(void *addr, size_t len, int prot) > > +int __mprotect(void *addr, size_t len, int prot) > > { > > size_t start, end; > > start =3D (size_t)addr & -PAGE_SIZE; > > end =3D (size_t)((char *)addr + len + PAGE_SIZE-1) & -PAGE_SIZE; > > return syscall(SYS_mprotect, start, end-start, prot); > > } > > + > > +weak_alias(__mprotect, mprotect); >=20 > I'll go ahead and eliminate this one from pthread_create.c like I had > mentioned so we can omit it. Doing so should be a size reduction too, > both locally (syscall is generally cheaper than function call) and for > static linking (since mprotect.o won't get pulled in). Ok, I'll drop that part then. Please drop me a line when you did, because I'd have to rebase 7/8 and 8/8 on top of that. Jens --=20 :: INRIA Nancy Grand Est ::: AlGorille ::: ICube/ICPS ::: :: ::::::::::::::: office Strasbourg : +33 368854536 :: :: :::::::::::::::::::::: gsm France : +33 651400183 :: :: ::::::::::::::: gsm international : +49 15737185122 :: :: http://icube-icps.unistra.fr/index.php/Jens_Gustedt :: --=-Uku4uOIkozKVzvqj0Woi Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEABECAAYFAlQCzEsACgkQD9PoadrVN+J8BACdGjbb3mceL8qC52lLZmr09ODS L3MAn0WkjTQjSMkdvpX+KFtSblt6AWcI =r3g9 -----END PGP SIGNATURE----- --=-Uku4uOIkozKVzvqj0Woi--