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Igor Zamyatin 2d63a517e4 Save and restore AVX-512 zmm registers to x86-64 ld.so 
AVX-512 ISA adds 512-bit zmm registers.  This patch updates
_dl_runtime_profile to pass zmm registers to run-time audit. It also
changes _dl_x86_64_save_sse and _dl_x86_64_restore_sse to upport zmm
registers, which are called when only when RTLD_PREPARE_FOREIGN_CALL
is used.  Its performance impact is minimum.

	* config.h.in (HAVE_AVX512_SUPPORT): New #undef.
	(HAVE_AVX512_ASM_SUPPORT): Likewise.
	* sysdeps/x86_64/bits/link.h (La_x86_64_zmm): New.
	(La_x86_64_vector): Add zmm.
	* sysdeps/x86_64/Makefile (tests): Add tst-audit10.
	(modules-names): Add tst-auditmod10a and tst-auditmod10b.
	($(objpfx)tst-audit10): New target.
	($(objpfx)tst-audit10.out): Likewise.
	(tst-audit10-ENV): New.
	(AVX512-CFLAGS): Likewise.
	(CFLAGS-tst-audit10.c): Likewise.
	(CFLAGS-tst-auditmod10a.c): Likewise.
	(CFLAGS-tst-auditmod10b.c): Likewise.
	* sysdeps/x86_64/configure.ac: Set config-cflags-avx512,
	HAVE_AVX512_SUPPORT and HAVE_AVX512_ASM_SUPPORT.
	* sysdeps/x86_64/configure: Regenerated.
	* sysdeps/x86_64/dl-trampoline.S (_dl_runtime_profile): Add
	AVX-512 zmm register support.
	(_dl_x86_64_save_sse): Likewise.
	(_dl_x86_64_restore_sse): Likewise.
	* sysdeps/x86_64/dl-trampoline.h: Updated to support different
	size vector registers.
	* sysdeps/x86_64/link-defines.sym (YMM_SIZE): New.
	(ZMM_SIZE): Likewise.
	* sysdeps/x86_64/tst-audit10.c: New file.
	* sysdeps/x86_64/tst-auditmod10a.c: Likewise.
	* sysdeps/x86_64/tst-auditmod10b.c: Likewise.
 		2014-03-13 11:19:08 -07:00
argp Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
assert Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
benchtests Make strtok benchmark competive. 2014-02-28 22:45:33 +01:00
bits Fix POSIX namespace for <bits/siginfo.h> (bug 16674). 2014-03-07 23:57:56 +00:00
catgets Count miscellaneous files built on host for testing as tests. 2014-03-07 03:31:41 +00:00
conf (NEED_INETADDR, NEED_INETATON): Define to 1, not empty. 1995-09-08 20:24:57 +00:00
conform Fix POSIX namespace for <bits/siginfo.h> (bug 16674). 2014-03-07 23:57:56 +00:00
crypt Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
csu Fix fallout from Joseph's untested Makeconfig change. 2014-02-28 13:00:27 -08:00
ctype Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
debug Fix fallout from Joseph's untested Makeconfig change. 2014-02-28 13:00:27 -08:00
dirent Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
dlfcn Fix fallout from Joseph's untested Makeconfig change. 2014-02-28 13:00:27 -08:00
elf Use __ehdr_start, when available, for rtld to get its own headers. 2014-03-13 10:38:27 -07:00
gmon Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
gnulib Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
grp Enumerate tests with special rules in tests-special variable. 2014-03-06 22:35:33 +00:00
gshadow Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
hesiod Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
hurd Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
iconv Make tests consistently use *.out output files. 2014-03-07 03:29:23 +00:00
iconvdata Make tests consistently use *.out output files. 2014-03-07 03:29:23 +00:00
include BZ #16632: Change [_BSD/_SVID]_SOURCE warning. 2014-02-25 13:23:25 -05:00
inet Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
intl Make tests consistently use *.out output files. 2014-03-07 03:29:23 +00:00
io Enumerate tests with special rules in tests-special variable. 2014-03-06 22:35:33 +00:00
libidn Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
libio Enumerate tests with special rules in tests-special variable. 2014-03-06 22:35:33 +00:00
locale Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
localedata Count miscellaneous files built on host for testing as tests. 2014-03-07 03:31:41 +00:00
login Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
mach Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
malloc Enumerate tests with special rules in tests-special variable. 2014-03-06 22:35:33 +00:00
manual manual/setjmp.texi: Improve clarity of Sys V context doc 2014-03-13 10:39:47 +00:00
math Fix nextafter overflow in non-default rounding modes (bug 16677). 2014-03-11 22:24:00 +00:00
misc Make tests consistently use *.out output files. 2014-03-07 03:29:23 +00:00
nis Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
nptl Make tests consistently use *.out output files. 2014-03-07 03:29:23 +00:00
nptl_db Enumerate tests with special rules in tests-special variable. 2014-03-06 22:35:33 +00:00
nscd Provide correct buffer length to netgroup queries in nscd (BZ #16695) 2014-03-12 17:28:13 +05:30
nss Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
po Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
ports Don't include individual test ulps in libm-test-ulps. 2014-03-05 15:02:38 +00:00
posix Include all of <time.h> from <sched.h> for older standards (bug 16670). 2014-03-07 20:54:03 +00:00
pwd Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
resolv Make tests consistently use *.out output files. 2014-03-07 03:29:23 +00:00
resource Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
rt Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
scripts Generate overall summary of test results. 2014-03-07 03:25:57 +00:00
setjmp Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
shadow Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
signal Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
socket Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
soft-fp Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
stdio-common Enumerate tests with special rules in tests-special variable. 2014-03-06 22:35:33 +00:00
stdlib Enumerate tests with special rules in tests-special variable. 2014-03-06 22:35:33 +00:00
streams Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
string PowerPC: strspn optimization for PPC64/POWER7 2014-03-11 08:54:33 -05:00
sunrpc Fix fallout from Joseph's untested Makeconfig change. 2014-02-28 13:00:27 -08:00
sysdeps Save and restore AVX-512 zmm registers to x86-64 ld.so 2014-03-13 11:19:08 -07:00
sysvipc Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
termios Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
time Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
timezone Count miscellaneous files built on host for testing as tests. 2014-03-07 03:31:41 +00:00
wcsmbs Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
wctype Consistently include Makeconfig after defining subdir. 2014-02-26 23:12:03 +00:00
.gitattributes exempt timezone files from the no-bad-whitespace policy 2009-06-15 18:15:54 +02:00
.gitignore ignore gdb related files 2013-12-27 16:30:50 -05:00
BUGS [BZ #5222] 2007-10-28 08:24:07 +00:00
CANCEL-FCT-WAIVE Update. 2004-03-08 07:58:18 +00:00
CANCEL-FILE-WAIVE Update. 2004-03-08 07:58:18 +00:00
CONFORMANCE Move __STDC_* predefined macros from features.h to stdc-predef.h. 2012-02-22 12:53:04 +00:00
COPYING Update to latest versions of GPL-2.0 and LGPL-2.1 2013-09-09 12:52:48 +10:00
COPYING.LIB Update to latest versions of GPL-2.0 and LGPL-2.1 2013-09-09 12:52:48 +10:00
ChangeLog Save and restore AVX-512 zmm registers to x86-64 ld.so 2014-03-13 11:19:08 -07:00
ChangeLog.1 * Makefile (distribute): Add ChangeLog.[0-9]. 1995-04-14 03:52:54 +00:00
ChangeLog.2 * Makefile (distribute): Add ChangeLog.[0-9]. 1995-04-14 03:52:54 +00:00
ChangeLog.3 * Makefile (distribute): Add ChangeLog.[0-9]. 1995-04-14 03:52:54 +00:00
ChangeLog.4 * Makefile (distribute): Add ChangeLog.[0-9]. 1995-04-14 03:52:54 +00:00
ChangeLog.5 * sysdeps/posix/getaddrinfo.c: Implement configuration file 2006-05-04 06:38:07 +00:00
ChangeLog.6 Update. 1997-07-22 00:10:33 +00:00
ChangeLog.7 Update. 1997-11-18 02:50:07 +00:00
ChangeLog.8 Update. Old logs are in ChangeLog.7. 1998-08-11 18:44:11 +00:00
ChangeLog.9 Update. 2000-04-28 06:14:43 +00:00
ChangeLog.10 Update. 2000-02-29 01:13:44 +00:00
ChangeLog.11 2.5-18.1 2007-07-12 18:26:36 +00:00
ChangeLog.12 2.5-18.1 2007-07-12 18:26:36 +00:00
ChangeLog.13 Update. 2002-10-03 16:37:04 +00:00
ChangeLog.14 Update. 2004-04-20 04:28:00 +00:00
ChangeLog.15 Split out ChangeLog.15 at 2.3 branch point 2005-02-16 07:34:17 +00:00
ChangeLog.16 Fix typo in name 2012-06-21 16:45:27 +02:00
ChangeLog.17 Revert "Sun agreed to a change of the license for the RPC code to a BSD-like license." 2010-06-27 19:34:03 -07:00
INSTALL Regenerate INSTALL. 2014-03-13 15:01:15 +00:00
LICENSES Expand LICENSES file. 2012-12-05 21:56:15 +00:00
Makeconfig conformtest: split up running of tests from makefile. 2014-03-07 03:23:34 +00:00
Makefile Generate overall summary of test results. 2014-03-07 03:25:57 +00:00
Makefile.in Add target bench-clean 2013-04-16 14:07:21 +05:30
Makerules Enumerate tests with special rules in tests-special variable. 2014-03-06 22:35:33 +00:00
NAMESPACE Add and update many more entries. 2000-03-20 00:42:58 +00:00
NEWS 2014-03-12 Paul Pluzhnikov <ppluzhnikov@google.com> 2014-03-12 15:58:39 -07:00
PROJECTS Update. 2004-10-12 06:19:23 +00:00
README [MicroBlaze]: Move MicroBlaze from ports to sysdeps. 2014-02-17 11:08:21 +10:00
Rules Generate overall summary of test results. 2014-03-07 03:25:57 +00:00
Versions.def Add GLIBC_2.17 to librt in Version.def 2014-02-21 11:32:19 +01:00
WUR-REPORT * posix/unistd.h (setuid, setreuid, seteuid, setresuid): 2012-08-01 18:12:58 +02:00
abi-tags * abi-tags (*-.*-syllable.*): New match, with ABI value 5. 2006-01-04 17:14:58 +00:00
aclocal.m4 rename configure.in to configure.ac 2013-10-30 17:32:08 +10:00
config.h.in Save and restore AVX-512 zmm registers to x86-64 ld.so 2014-03-13 11:19:08 -07:00
config.make.in Remove --disable-versioning. 2013-09-04 15:25:42 +00:00
configure Use __ehdr_start, when available, for rtld to get its own headers. 2014-03-13 10:38:27 -07:00
configure.ac Use __ehdr_start, when available, for rtld to get its own headers. 2014-03-13 10:38:27 -07:00
cppflags-iterator.mk 2004-03-11 Jeroen Dekkers <jeroen@dekkers.cx> 2004-03-14 19:13:17 +00:00
extra-lib.mk Remove --disable-versioning. 2013-09-04 15:25:42 +00:00
extra-modules.mk Update. 2004-03-08 21:31:23 +00:00
libc-abis A few more archs have IFUNC support. 2010-03-17 02:43:12 -07:00
o-iterator.mk Fri Mar 17 12:58:37 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> 1995-03-17 18:42:51 +00:00
shlib-versions PowerPC: Change powerpc64le start ABI to 2.17. 2014-02-04 09:49:08 -02:00
test-skeleton.c tests: unify fortification handler logic 2014-02-08 06:58:43 -05:00
version.h Open development for 2.20 2014-02-08 08:10:29 +10:00

README 

This directory contains the sources of the GNU C Library.
See the file "version.h" for what release version you have.

The GNU C Library is the standard system C library for all GNU systems,
and is an important part of what makes up a GNU system.  It provides the
system API for all programs written in C and C-compatible languages such
as C++ and Objective C; the runtime facilities of other programming
languages use the C library to access the underlying operating system.

In GNU/Linux systems, the C library works with the Linux kernel to
implement the operating system behavior seen by user applications.
In GNU/Hurd systems, it works with a microkernel and Hurd servers.

The GNU C Library implements much of the POSIX.1 functionality in the
GNU/Hurd system, using configurations i[4567]86-*-gnu.  The current
GNU/Hurd support requires out-of-tree patches that will eventually be
incorporated into an official GNU C Library release.

When working with Linux kernels, this version of the GNU C Library
requires Linux kernel version 2.6.16 or later.

Also note that the shared version of the libgcc_s library must be
installed for the pthread library to work correctly.

The GNU C Library supports these configurations for using Linux kernels:

	aarch64*-*-linux-gnu
	alpha*-*-linux-gnu
	arm-*-linux-gnueabi
	i[4567]86-*-linux-gnu
	x86_64-*-linux-gnu	Can build either x86_64 or x32
	ia64-*-linux-gnu
	m68k-*-linux-gnu
	microblaze*-*-linux-gnu
	mips-*-linux-gnu
	mips64-*-linux-gnu
	powerpc-*-linux-gnu	Hardware or software floating point, BE only.
	powerpc64*-*-linux-gnu	Big-endian and little-endian.
	s390-*-linux-gnu
	s390x-*-linux-gnu
	sh[34]-*-linux-gnu
	sparc*-*-linux-gnu
	sparc64*-*-linux-gnu
	tilegx-*-linux-gnu
	tilepro-*-linux-gnu

The code for other CPU configurations supported by volunteers outside of
the core glibc maintenance effort is contained in the `ports' add-on,
located in the `ports' subdirectory of the source tree.

	hppa-*-linux-gnu	Not currently functional without patches.

If you are interested in doing a port, please contact the glibc
maintainers; see http://www.gnu.org/software/libc/ for more
information.

See the file INSTALL to find out how to configure, build, and install
the GNU C Library.  You might also consider reading the WWW pages for
the C library at http://www.gnu.org/software/libc/.

The GNU C Library is (almost) completely documented by the Texinfo manual
found in the `manual/' subdirectory.  The manual is still being updated
and contains some known errors and omissions; we regret that we do not
have the resources to work on the manual as much as we would like.  For
corrections to the manual, please file a bug in the `manual' component,
following the bug-reporting instructions below.  Please be sure to check
the manual in the current development sources to see if your problem has
already been corrected.

Please see http://www.gnu.org/software/libc/bugs.html for bug reporting
information.  We are now using the Bugzilla system to track all bug reports.
This web page gives detailed information on how to report bugs properly.

The GNU C Library is free software.  See the file COPYING.LIB for copying
conditions, and LICENSES for notices about a few contributions that require
these additional notices to be distributed.  License copyright years may be
listed using range notation, e.g., 2000-2013, indicating that every year in
the range, inclusive, is a copyrightable year that would otherwise be listed
individually.