Date: Wed, 29 Apr 2020 18:20:30 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Michal Meloun <mmel@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r360463 - head/libexec/rtld-elf Message-ID: <20200429152030.GB2522@kib.kiev.ua> In-Reply-To: <202004291406.03TE6g1c031338@repo.freebsd.org> References: <202004291406.03TE6g1c031338@repo.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Apr 29, 2020 at 02:06:42PM +0000, Michal Meloun wrote: > Author: mmel > Date: Wed Apr 29 14:06:42 2020 > New Revision: 360463 > URL: https://svnweb.freebsd.org/changeset/base/360463 > > Log: > Don't allow to use FPU inside of rtld library. > Clang10 may use FPU instructions for optimizing operations with > memory blocks. But we don't want to do lengthy save/restore of all > FPU registers across each rtld_start() call. > > MFC after: 3 week > > Modified: > head/libexec/rtld-elf/Makefile > > Modified: head/libexec/rtld-elf/Makefile > ============================================================================== > --- head/libexec/rtld-elf/Makefile Wed Apr 29 13:45:21 2020 (r360462) > +++ head/libexec/rtld-elf/Makefile Wed Apr 29 14:06:42 2020 (r360463) > @@ -48,6 +48,9 @@ MLINKS?= rtld.1 ld-elf.so.1.1 \ > rtld.1 ld.so.1 > > CFLAGS+= -fpic -DPIC $(DEBUG) > +CFLAGS.armv6+= -mfpu=none > +CFLAGS.armv7+= -mfpu=none I cleaned rtld-elf/Makefile of all MD bits, please move this to arm/Makefile.inc. > + > LDFLAGS+= -shared -Wl,-Bsymbolic -Wl,-z,defs -nostdlib -e ${RTLD_ENTRY} > # Pull in the dependencies that we use from libc > .include "rtld-libc/Makefile.inc"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20200429152030.GB2522>