Florian Weimer [Fri, 12 Sep 2014 07:17:32 +0000 (09:17 +0200)]
Complete the removal of __gconv_translit_find
Prior to the 2.20 release, the function was just changed to fail
unconditionally, in commit
a1a6a401ab0a3c9f15fb7eaebbdcee24192254e8.
This commit removes the function completely, including gconv bits
which depend on it.
This changes the gconv ABI, which is not a public interface.
Siddhesh Poyarekar [Fri, 12 Sep 2014 07:01:05 +0000 (12:31 +0530)]
Enhance tst-xmmymm.sh to detect zmm register usage in ld.so (BZ #16194)
2d63a517e4084ec80403cd9f278690fa8b676cc4 added support to save and
restore zmm register in the dynamic linker, but did not enhance
test-xmmymm.sh to detect accidental usage of these registers. The
patch below adds that check.
The script has also been renamed to tst-ld-sse-use.sh. To see the
minimal changes, run `git show -M`.
[BZ #16194]
* sysdeps/x86/tst-xmmymm.sh: Rename file to...
* sysdeps/x86/tst-ld-sse-use.sh: ... this. Check for zmm
register usage.
* sysdeps/x86/Makefile: Adjust.
Roland McGrath [Thu, 11 Sep 2014 23:02:17 +0000 (16:02 -0700)]
Move findidx nested functions to top-level.
Florian Weimer [Wed, 10 Sep 2014 18:29:15 +0000 (20:29 +0200)]
malloc: additional unlink hardening for non-small bins [BZ #17344]
Turn two asserts into a conditional call to malloc_printerr. The
memory locations are accessed later anyway, so the performance
impact is minor.
Tim Lammens [Thu, 11 Sep 2014 05:05:54 +0000 (10:35 +0530)]
Fix memory leak in libio/wfileops.c do_ftell_wide [BZ #17370]
Chris Metcalf [Wed, 10 Sep 2014 20:57:29 +0000 (16:57 -0400)]
tile: remove linux lowlevellock.h
Siddhesh Poyarekar [Wed, 10 Sep 2014 16:21:50 +0000 (21:51 +0530)]
Return failure in getnetgrent only when all netgroups have been searched (#17363)
The netgroups lookup code fails when one of the groups in the search
tree is empty. In such a case it only returns the leaves of the tree
after the blank netgroup. This is because the line parser returns a
NOTFOUND status when the netgroup exists but is empty. The
__getnetgrent_internal implementation needs to be fixed to try
remaining groups if the current group is entry. This patch implements
this fix. Tested on x86_64.
[BZ #17363]
* inet/getnetgrent_r.c (__internal_getnetgrent_r): Try next
group if the current group is empty.
Adhemerval Zanella [Tue, 15 Jul 2014 16:19:09 +0000 (12:19 -0400)]
PowerPC: memset optimization for POWER8/PPC64
This patch adds an optimized memset implementation for POWER8. For
sizes from 0 to 255 bytes, a word/doubleword algorithm similar to
POWER7 optimized one is used.
For size higher than 255 two strategies are used:
1. If the constant is different than 0, the memory is written with
altivec vector instruction;
2. If constant is 0, dbcz instructions are used. The loop is unrolled
to clear 512 byte at time.
Using vector instructions increases throughput considerable, with a
double performance for sizes larger than 1024. The dcbz loops unrolls
also shows performance improvement, by doubling throughput for sizes
larger than 8192 bytes.
Adhemerval Zanella [Tue, 15 Jul 2014 20:54:46 +0000 (16:54 -0400)]
PowerPC: multiarch bzero cleanup for PPC64
This patch cleanups the multiarch bzero for powerpc64 by remove
the multiarch objects and use instead the the memset embedded
implementation presented in each multiarch optimization. The
code generate is essentially the same, but the TB_TOCLESS (which
is not essential).
Florian Weimer [Mon, 8 Sep 2014 11:49:36 +0000 (13:49 +0200)]
Turn on -Werror=implicit-function-declaration
GCC 4.4, the minimum compiler version, supports this option. Unlike
other warnings, -Wimplicit-function-declaration warnings should be
independent of compiler versions, so this change should not cause
compiler-specific build failures.
Steve Ellcey [Tue, 9 Sep 2014 17:58:00 +0000 (10:58 -0700)]
Put mips preconfigure code inside mips* case statement.
Fix capitalization of error message.
Steve Ellcey [Tue, 9 Sep 2014 17:01:51 +0000 (10:01 -0700)]
Modify ABI tests in MIPS preconfigure.
Carlos O'Donell [Mon, 8 Sep 2014 02:09:49 +0000 (22:09 -0400)]
HPPA: Add c++-types.data.
Added c++-types.data to baseline for HPPA. At this point `make check`
completes without error, and the full testing results are summarized.
Carlos O'Donell [Sun, 7 Sep 2014 20:18:06 +0000 (16:18 -0400)]
HPPA: Transition to new non-addon NPTL.
Merge roland/nptl-hppa to master, update and test for hppa-linux-gnu.
This commit squashes and commits the work done by Roland McGrath on
roland/nptl-hppa to migrate hppa to the new non-addon NPTL. Some
additional tweaks were required for tcb-offsets.sym to work correctly
along with clone.S (unique to hppa).
Allan McRae [Sun, 7 Sep 2014 23:22:55 +0000 (09:22 +1000)]
Open development for 2.21
Allan McRae [Sun, 7 Sep 2014 08:09:09 +0000 (18:09 +1000)]
Update version.h and include/features.h for 2.20 release
Allan McRae [Sun, 7 Sep 2014 06:07:10 +0000 (16:07 +1000)]
Update contrib.texi
Add entries for Wilco Dijkstra and Stefan Liebler.
Allan McRae [Sun, 7 Sep 2014 05:50:34 +0000 (15:50 +1000)]
Update Korean translation
Chris Metcalf [Fri, 5 Sep 2014 18:40:23 +0000 (14:40 -0400)]
[BZ #17354] tile: Fix up corner cases with signed relocations
Some types of relocations technically need to be signed rather than
unsigned: in particular ones that are used with moveli or movei,
or for jump and branch. This is almost never a problem. Jump and
branch opcodes are pretty much uniformly resolved by the static linker
(unless you omit -fpic for a shared library, which is not recommended).
The moveli and movei opcodes that need to be sign-extended generally
are for positive displacements, like the construction of the address of
main() from _start(). However, tst-pie1 ends up with main below _start
(in a different module) and the test failed due to signedness issues in
relocation handling.
This commit treats the value as signed when shifting (to preserve the
high bit) and also sign-extends the value generated from the updated
bundle when comparing with the desired bundle, which we do to make sure
no overflow occurred. As a result, the tst-pie1 test now passes.
Florian Weimer [Wed, 3 Sep 2014 17:45:43 +0000 (19:45 +0200)]
CVE-2014-6040: Crashes on invalid input in IBM gconv modules [BZ #17325]
These changes are based on the fix for BZ #14134 in commit
6e230d11837f3ae7b375ea69d7905f0d18eb79e5.
Khem Raj [Tue, 2 Sep 2014 21:39:04 +0000 (21:39 +0000)]
Define __GI_fegetenv for e500 libm
generic HAVE_RM_CTX implementation which is used for ppc/e500 as well
has introduced calls to fegetenv which should be resolved internally
with in libm
Signed-off-by: Khem Raj <raj.khem@gmail.com>
* sysdeps/powerpc/powerpc32/e500/nofpu/fegetenv.c (fegetenv): Add
libm_hidden_ver.
Allan McRae [Mon, 1 Sep 2014 00:48:22 +0000 (10:48 +1000)]
Update Esperanto translation
Allan McRae [Mon, 1 Sep 2014 00:47:30 +0000 (10:47 +1000)]
Update Catalan translation
Samuel Thibault [Thu, 28 Aug 2014 20:08:39 +0000 (22:08 +0200)]
Fix hang on fork
If e.g. a signal is being received while we are running fork(), the signal
thread may be having our SS lock when we make the space copy, and thus in the
child we can not take the SS lock any more.
* sysdeps/mach/hurd/fork.c (__fork): Lock SS->lock around __proc_dostop call.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Mark Wielaard [Wed, 27 Aug 2014 15:07:58 +0000 (17:07 +0200)]
i386 TLS_INIT_TP might produce bogus asm changing stack pointer [BZ #17319]
TLS_INIT_TP in sysdeps/i386/nptl/tls.h uses some hand written asm to
generate a set_thread_area that might result in exchanging ebx and esp
around the syscall causing introspection tools like valgrind to loose
track of the user stack. Just use INTERNAL_SYSCALL which makes sure
esp isn't changed arbitrarily.
Before the patch the code would generate:
mov $0xf3,%eax
movl $0xfffff,0x8(%esp)
movl $0x51,0xc(%esp)
xchg %esp,%ebx
int $0x80
xchg %esp,%ebx
Using INTERNAL_SYSCALL instead will generate:
movl $0xfffff,0x8(%esp)
movl $0x51,0xc(%esp)
xchg %ecx,%ebx
mov $0xf3,%eax
int $0x80
xchg %ecx,%ebx
Thanks to Florian Weimer for analysing why the original code generated
the bogus esp usage:
_segdescr.desc happens to be at the top of the stack, so its address
is in %esp. The asm statement says that %3 is an input, so its value
will not change, and GCC can use %esp as the input register for the
expression &_segdescr.desc. But the constraints do not fully describe
the asm statement because the %3 register is actually modified, albeit
only temporarily.
[BZ #17319]
* sysdeps/i386/nptl/tls.h (TLS_INIT_TP): Use INTERNAL_SYSCALL
to call set_thread_area instead of hand written asm.
(__NR_set_thread_area): Removed define.
(TLS_FLAG_WRITABLE): Likewise.
(__ASSUME_SET_THREAD_AREA): Remove check.
(TLS_EBX_ARG): Remove define.
(TLS_LOAD_EBX): Likewise.
Samuel Thibault [Wed, 27 Aug 2014 22:11:54 +0000 (00:11 +0200)]
Simplify atomicity of socket creation in bind.
Carlos O'Donell [Wed, 27 Aug 2014 15:53:25 +0000 (11:53 -0400)]
NEWS: Typo fix: s/wil /will /g
Allan McRae [Wed, 27 Aug 2014 03:36:02 +0000 (13:36 +1000)]
Update x86 ULPs
Using gcc-4.9, i7-2620M, i686 Linux.
Florian Weimer [Tue, 26 Aug 2014 18:43:07 +0000 (20:43 +0200)]
Fix typo in CVE ID
Florian Weimer [Tue, 26 Aug 2014 17:38:59 +0000 (19:38 +0200)]
__gconv_translit_find: Disable function [BZ #17187]
This functionality has never worked correctly, and the implementation
contained a security vulnerability (CVE-2014-5119).
Allan McRae [Tue, 26 Aug 2014 12:44:23 +0000 (22:44 +1000)]
Update Vietnamese translation
Allan McRae [Tue, 26 Aug 2014 12:43:31 +0000 (22:43 +1000)]
Update Ukrainian translation
Allan McRae [Tue, 26 Aug 2014 12:42:36 +0000 (22:42 +1000)]
Update French translation
Allan McRae [Tue, 26 Aug 2014 12:41:48 +0000 (22:41 +1000)]
Update Russian translation
Allan McRae [Tue, 26 Aug 2014 12:41:00 +0000 (22:41 +1000)]
Update Polish translation
Allan McRae [Tue, 26 Aug 2014 12:39:33 +0000 (22:39 +1000)]
Update Czech translation
Allan McRae [Tue, 26 Aug 2014 12:38:47 +0000 (22:38 +1000)]
Update German translation
Allan McRae [Tue, 26 Aug 2014 12:36:52 +0000 (22:36 +1000)]
Update Bulgarian translation
Allan McRae [Tue, 26 Aug 2014 12:33:50 +0000 (22:33 +1000)]
Update Sweedish translation
Allan McRae [Tue, 26 Aug 2014 12:32:32 +0000 (22:32 +1000)]
Update Dutch translation
Allan McRae [Tue, 26 Aug 2014 12:31:31 +0000 (22:31 +1000)]
Update Spanish translation
Siddhesh Poyarekar [Thu, 21 Aug 2014 05:00:55 +0000 (10:30 +0530)]
Remove NOT_IN_libc definition for pthread_atfork
pthread_atfork is already built in an extra-libs context, which gives
it NOT_IN_libc in its CPPFLAGS. Adding the same definition to CFLAGS
is pointless.
Verified that the code is unchanged on x86_64.
Siddhesh Poyarekar [Thu, 21 Aug 2014 04:57:13 +0000 (10:27 +0530)]
Remove redundant CPPFLAGS for some programs
These programs get the NOT_IN_libc twice, once through the 'other'
target and another explicitly. Remove the explicitly added CPFLAG.
* catgets/Makefile (CPPFLAGS-gencat): Remove.
* iconv/Makefile (CPPFLAGS-iconv_prog): Likewise.
(CPPFLAGS-iconvconfig): Likewise.
* timezone/Makefile (CPPFLAGS-zic): Likewise.
Siddhesh Poyarekar [Thu, 21 Aug 2014 04:56:46 +0000 (10:26 +0530)]
Remove unnecessary uses of NOT_IN_libc
If a IS_IN_* macro is defined, then NOT_IN_libc is always defined,
except obviously for IS_IN_libc. There's no need to check for both.
Verified on x86_64 and i686 that the source is unchanged.
* include/libc-symbols.h: Remove unnecessary check for
NOT_IN_libc.
* nptl/pthreadP.h: Likewise.
* sysdeps/aarch64/setjmp.S: Likewise.
* sysdeps/alpha/setjmp.S: Likewise.
* sysdeps/arm/sysdep.h: Likewise.
* sysdeps/i386/setjmp.S: Likewise.
* sysdeps/m68k/setjmp.c: Likewise.
* sysdeps/posix/getcwd.c: Likewise.
* sysdeps/powerpc/powerpc32/setjmp-common.S: Likewise.
* sysdeps/powerpc/powerpc64/setjmp-common.S: Likewise.
* sysdeps/s390/s390-32/setjmp.S: Likewise.
* sysdeps/s390/s390-64/setjmp.S: Likewise.
* sysdeps/sh/sh3/setjmp.S: Likewise.
* sysdeps/sh/sh4/setjmp.S: Likewise.
* sysdeps/unix/alpha/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/setjmp.S: Likewise.
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
* sysdeps/x86_64/setjmp.S: Likewise.
H.J. Lu [Wed, 13 Aug 2014 15:04:54 +0000 (08:04 -0700)]
Mention fixes for BZs 16194 and 16275 in NEWS
Joseph Myers [Wed, 13 Aug 2014 16:06:18 +0000 (16:06 +0000)]
Fix powerpc32 __get_clockfreq for non-power4 (bug 17263).
In my powerpc32 testing I've observed misc/test-gettimebasefreq
failing.
This is a glibc build (soft-float, though that's not relevant here)
without any --with-cpu and without any special configuration of the
default CPU for GCC either. In particular, it's one not using
sysdeps/powerpc/powerpc32/power4/hp-timing.h (although in fact the
processor I'm using for testing is POWER4-based), so hp_timing_t is
32-bit not 64-bit. But the VDSO call being used by
INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK is generating a 64-bit result
(high part in r3, low part in r4). The code extracting that result,
however, expects a result of the type hp_timing_t as passed to
INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK, meaning that only r3 (= 0) is
used and the value in r4 is ignored. This patch fixes this by always
using uint64_t as the type in INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK -
reflecting the actual ABI (unconditional in the kernel) of that VDSO
call. This is the minimal change for this issue - no check for
overflow, no change of the type of the timebase_freq variable or the
return type of __get_clockfreq to something other than hp_timing_t
(such a change would simply move the implicit conversions to the over
callers of that function), no change to hp_timing_t itself.
Tested for powerpc32 soft float.
[BZ #17263]
* sysdeps/unix/sysv/linux/powerpc/get_clockfreq.c: Include
<stdint.h>.
(__get_clockfreq): Use uint64_t instead of hp_timing_t in
INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK call.
Siddhesh Poyarekar [Wed, 13 Aug 2014 13:16:41 +0000 (18:46 +0530)]
Fix comment error that Jakub pointed out but I forgot to fix
Siddhesh Poyarekar [Wed, 13 Aug 2014 08:35:15 +0000 (14:05 +0530)]
Disable x87 inline functions for x86_64 and SSE [BZ #17262]
Since:
commit
409e00bd69b8d8dd74d7327085351d26769ea6fc
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Jan 29 07:51:41 2014 -0800
Disable x87 inline functions for SSE2 math
When i386 and x86-64 mathinline.h was merged into a single mathinline.h,
"gcc -m32" enables x87 inline functions on x86-64 even when -mfpmath=sse
and SSE2 is enabled. It is a regression on x86-64. We should check
__SSE2_MATH__ instead of __x86_64__ when disabling x87 inline functions.
gcc-3.2 is unable to correctly compile x86_64 routines for llrint
since it gets redefined. This is because gcc 3.2 does not set
__SSE2_MATH__ for x86_64, thus exposing the duplicate definition.
The correct fix ought to be to check for both __SSE2_MATH__ and
__x86_64__ and enable those bits only when neither are defined.
Tested fix with the reproducer for
409e00bd69b8d8dd74d7327085351d26769ea6fc as well as with gcc-3.2.
H.J. Lu [Wed, 13 Aug 2014 00:02:51 +0000 (17:02 -0700)]
Replace cpuid asm statement with __cpuid_count
The compiler doesn't know that the cpuid asm statement in intel_check_word
will trash RBX. We are lucky that it doesn't cause any problems since
RBX is also used by compiler for other purposes so that RBX is saved and
restored. This patch replaces it with __cpuid_count.
[BZ #17259]
* sysdeps/x86_64/cacheinfo.c (intel_check_word): Replace cpuid
asm statement with __cpuid_count.
Mike Frysinger [Thu, 7 Aug 2014 03:44:29 +0000 (23:44 -0400)]
detect broken linker handling of __ehdr_start
Older versions of ld on ia64 support __ehdr_start, but generate relocs
when they shouldn't. This causes the ld.so to not run because it tries
to resolve the __ehdr_start symbol (but it's not exported).
Joseph Myers [Tue, 12 Aug 2014 20:31:54 +0000 (20:31 +0000)]
Fix powerpc-nofpu __fe_enabled_env and __fe_nonieee_env (bug 17261).
On powerpc, floating-point environment macros are defined as pointers
to constants in the library that contain the bit-patterns of the
desired environment, instead of being magic constants cast to pointer
type.
For soft-float, the bit-patterns used for fenv_t are not laid out the
same as for hard-float. (e500 has a third layout used; that's not an
ABI issue because these values are only meaningful within a single
process, all of whose glibc libraries must come from the same build of
glibc.) While the __fe_dfl_env value for soft-float was appropriate
for the soft-float fenv_t representation, the other two constants had
the same bit-patterns as for hard-float. Those bit patterns had the
effect of having exceptions already raised, causing
math/test-fenv-return to fail; this patch fixes the patterns used.
(__fe_nonieee_env also had exceptions unmasked, though they should be
masked to match hard-float semantics. Since there is no separate
non-IEEE mode for soft-float, it's most appropriate for
__fe_nonieee_env to be the same as __fe_dfl_env; this patch makes it
an alias.)
Tested for powerpc-nofpu.
[BZ #17261]
* sysdeps/powerpc/nofpu/fenv_const.c (__fe_enabled_env): Change
value to 0.
(__fe_nonieee_env): Define as an alias for __fe_dfl_env.
Roland McGrath [Tue, 12 Aug 2014 16:49:58 +0000 (09:49 -0700)]
NEWS: Mention x86-64 ld.so use of Intel MPX instructions.
Will Newton [Tue, 12 Aug 2014 12:01:13 +0000 (13:01 +0100)]
Add BZ #16892 to NEWS
Bernard Ogden [Mon, 11 Aug 2014 14:26:48 +0000 (15:26 +0100)]
Check value of futex before updating in __lll_timedlock
2014-08-12 Bernard Ogden <bernie.ogden@linaro.org>
[BZ #16892]
* sysdeps/nptl/lowlevellock.h (__lll_timedlock): Use
atomic_compare_and_exchange_bool_acq rather than atomic_exchange_acq.
Sean Anderson [Tue, 12 Aug 2014 09:23:41 +0000 (05:23 -0400)]
malloc: fix comment typo
Allan McRae [Sat, 9 Aug 2014 07:14:35 +0000 (17:14 +1000)]
Regenerate libc.po
Mike Frysinger [Mon, 4 Aug 2014 14:31:27 +0000 (10:31 -0400)]
tst-gettext2: make setup more robust
This test should be more robust about setting up its lang dirs.
I had two completely different systems (ia64 & x86_64) get wedged
in a way where the test just kept FAILing on me due to some of the
files missing. This probably wasn't a big deal until the recent
commit which made checking of the locale dirs more robust (for
security reasons).
Wilco Dijkstra [Thu, 7 Aug 2014 16:29:55 +0000 (16:29 +0000)]
This patch adds new function libc_feholdsetround_noex_aarch64_ctx, enabling
further optimization. libc_feholdsetround_aarch64_ctx now only needs to
read the FPCR in the typical case, avoiding a redundant FPSR read.
Performance results show a good improvement (5-10% on sin()) on cores with
expensive FPCR/FPSR instructions.
Wilco [Thu, 7 Aug 2014 14:30:31 +0000 (14:30 +0000)]
Fix performance issue in misaligned strcpy.
Adhemerval Zanella [Thu, 24 Jul 2014 12:28:57 +0000 (08:28 -0400)]
PowerPC: Fix termios definitions
This patch fixes the incorrect guard by __USE_MISC of struct winsize and
struct termio in powerpc termios header. Current states leads to build
failures if the program defines _XOPEN_SOURCE, but not _DEFAULT_SOURCE
or either _BSD_SOURCE or _SVID_SOURCE. Without any definition,
__USE_MISC will not be defined and neither the struct definitions.
This patch copies the default Linux ioctl-types.h by adjusting only the
character control field (c_cc) size in struct termio.
Richard Henderson [Tue, 5 Aug 2014 20:36:36 +0000 (13:36 -0700)]
alpha: Fix exception raising from soft-fp
Use the SSI_IEEE_RAISE_EXCEPTION function as from feraiseexcept,
instead of __ieee_get+set_fp_status. Always raise the FP exceptions
from float-to-integer conversion.
Richard Henderson [Tue, 5 Aug 2014 16:06:36 +0000 (09:06 -0700)]
alpha: Remove linux lowlevellock.h
For real this time.
Richard Henderson [Tue, 5 Aug 2014 15:31:47 +0000 (08:31 -0700)]
alpha: Remove linux lowlevellock.h
Bernard Ogden [Mon, 4 Aug 2014 22:12:03 +0000 (22:12 +0000)]
MIPS - Remove mips lowlevellock.h.
* sysdeps/unix/sysv/linux/mips/lowlevellock.h: Remove file.
Will Newton [Mon, 4 Aug 2014 15:01:31 +0000 (16:01 +0100)]
AArch64: Remove lowlevellock.h
Remove lowlevellock.h in favour of the generic implementation. The
generic implementation was tested natively and introduces no
regressions.
ChangeLog:
2014-08-04 Will Newton <will.newton@linaro.org>
* sysdeps/unix/sysv/linux/aarch64/lowlevellock.h: Remove
file.
Mike Frysinger [Mon, 4 Aug 2014 14:31:01 +0000 (10:31 -0400)]
add ChangeLog for previous commit
Mike Frysinger [Sun, 3 Aug 2014 16:14:35 +0000 (16:14 +0000)]
ia64: define nocancel entry points in PSEUDO
The previous set of not-cancel.h headers (prior to the commit
2fbdf5339aaeaa423bd661524f7ec7af41fa2606) did not require the
arch to define nocancel entry points, so ia64 never did.
However, after the various files were merged, it became a hard
requirement for arches which mean ia64 failed to build.
Here we add dedicated entry points. It'd be nice to merge
with the existing stubs like other arches do, but the ia64
asm does not lend itself to interleaving of functions. If
someone has a suggestion on merging these, that'd be great,
but at least now we build & pass tests again.
Roland McGrath [Fri, 4 Jul 2014 05:19:41 +0000 (22:19 -0700)]
IA64: Consolidate nptl/ subdirectories under linux/...
Roland McGrath [Fri, 4 Jul 2014 04:51:13 +0000 (21:51 -0700)]
IA64: Move NPTL public headers to sysdeps/ia64/nptl/.
Roland McGrath [Fri, 4 Jul 2014 04:51:01 +0000 (21:51 -0700)]
IA64: Define TLS_DEFINE_INIT_TP
Roland McGrath [Fri, 4 Jul 2014 05:09:33 +0000 (22:09 -0700)]
IA64: Consolidate NPTL/non versions of vfork
Roland McGrath [Fri, 4 Jul 2014 04:50:50 +0000 (21:50 -0700)]
IA64: Consolidate NPTL/non versions of clone
Andreas Schwab [Mon, 4 Aug 2014 08:20:03 +0000 (10:20 +0200)]
Fix missing <math_private.h> in ldbl-96 fma
Mike Frysinger [Sun, 3 Aug 2014 15:12:35 +0000 (11:12 -0400)]
add ChangeLog for previous commit
Mike Frysinger [Sun, 3 Aug 2014 12:55:20 +0000 (08:55 -0400)]
tst-setcontext: fix style
Roland McGrath [Sat, 2 Aug 2014 01:59:48 +0000 (18:59 -0700)]
Remove sysdeps/unix/sysv/linux/arm/lowlevellock.h
Richard Henderson [Fri, 1 Aug 2014 22:13:50 +0000 (12:13 -1000)]
Force eval for fma implementations
Roland McGrath [Fri, 1 Aug 2014 18:28:49 +0000 (11:28 -0700)]
ARM: Move PTR_MANGLE et al out of Linux-specific file.
Siddhesh Poyarekar [Fri, 1 Aug 2014 09:00:43 +0000 (14:30 +0530)]
Fix -Wundef warnings in regex_internal.h
Siddhesh Poyarekar [Fri, 1 Aug 2014 08:54:41 +0000 (14:24 +0530)]
Check if DEBUG is defined in regex_internal.c
The DEBUG macro is checked for its value in one place and if it is
defined in another. Make this consistent across the two cases and use
the same style that we did in mktime.c, which is to check if the macro
is defined and it is set.
Siddhesh Poyarekar [Fri, 1 Aug 2014 08:53:38 +0000 (14:23 +0530)]
Fix -Wundef warnings in fnmatch.c
Fixes -Wundef warnings for MBSTATE_T and HAVE_STRING_H. The
HAVE_STRING_H bit is a merge from the gnulib fnmatch.c and the
MBSTATE_T fix has been posted to gnulib for inclusion.
Stefan Liebler [Fri, 1 Aug 2014 07:48:17 +0000 (09:48 +0200)]
NEWS: Explain the s390 jmp_buf / ucontext_t ABI change reversal.
Roland McGrath [Thu, 31 Jul 2014 21:00:33 +0000 (14:00 -0700)]
Add __safe_fatal and use it in __pthread_unwind forwarder fallback.
Roland McGrath [Thu, 31 Jul 2014 20:07:19 +0000 (13:07 -0700)]
Use __builtin_trap for ABORT_INSTRUCTION.
Roland McGrath [Thu, 31 Jul 2014 18:37:48 +0000 (11:37 -0700)]
Split nptl-signals.h out from pthreadP.h
Stefan Liebler [Thu, 31 Jul 2014 18:10:47 +0000 (20:10 +0200)]
[PATCH] S390: Fix remaining ONE_DIRECTION warning messages
This patch fixes the remaining ONE_DIRECTION warnings for s390 specific conversions.
It defines ONE_DIRECTION to 0 like the patch from Steve Ellcey:
https://www.sourceware.org/ml/libc-alpha/2014-05/msg00039.html
Changelog:
* sysdeps/s390/s390-64/utf16-utf32-z9.c
(ONE_DIRECTION): Define.
* sysdeps/s390/s390-64/utf8-utf16-z9.c
(ONE_DIRECTION): Define.
* sysdeps/s390/s390-64/utf8-utf32-z9.c
(ONE_DIRECTION): Define.
Stefan Liebler [Thu, 31 Jul 2014 18:04:54 +0000 (20:04 +0200)]
S/390: Revert the jmp_buf/ucontext_t ABI change.
Andreas Schwab [Thu, 31 Jul 2014 10:46:14 +0000 (12:46 +0200)]
Fix -Wundef warning for HAVE_IFUNC
Ling Ma [Mon, 14 Jul 2014 04:02:52 +0000 (00:02 -0400)]
Improve 64bit memcpy performance for Haswell CPU with AVX instruction
In this patch we take advantage of HSW memory bandwidth, manage to
reduce miss branch prediction by avoiding using branch instructions and
force destination to be aligned with avx instruction.
The CPU2006 403.gcc benchmark indicates this patch improves performance
from 2% to 10%.
Adhemerval Zanella [Tue, 29 Jul 2014 18:56:44 +0000 (13:56 -0500)]
PowerPC: Fix gprof entry point for LE
This patch fixes the ELFv2 gprof entry point since the ABI
does not define function descriptors. It fixes BZ#17213.
Jeff Layton [Wed, 23 Jul 2014 18:21:05 +0000 (14:21 -0400)]
fcntl-linux.h: add new definitions and manual updates for open file description locks
Open file description locks have been merged into the Linux kernel for
v3.15. Add the appropriate command-value definitions and an update to
the manual that describes their usage.
Allan McRae [Wed, 23 Jul 2014 07:06:01 +0000 (17:06 +1000)]
Update Spanish translations
Allan McRae [Wed, 23 Jul 2014 06:55:16 +0000 (16:55 +1000)]
Add fixed bug to NEWS
Fixed in commit
7ee03f00.
Allan McRae [Wed, 23 Jul 2014 06:52:13 +0000 (16:52 +1000)]
Add missing changelog entry for commit
ab7ac0f2
Marcus Shawcroft [Tue, 22 Jul 2014 09:43:52 +0000 (10:43 +0100)]
Revert "aarch64: Add hp-timing.h"
This reverts commit
4052993954d1dcb39cbd478ab59e75fe12903e9c.
Conflicts:
sysdeps/aarch64/hp-timing.h
Andreas Schwab [Fri, 18 Jul 2014 21:24:13 +0000 (23:24 +0200)]
m68k: use generic lowlevellock.h
Maciej W. Rozycki [Thu, 17 Jul 2014 18:22:05 +0000 (19:22 +0100)]
[BZ #17078] ARM: R_ARM_TLS_DESC prelinker support
This is a change to the dynamic linker to add prelinker support for the
R_ARM_TLS_DESC relocation. Two cases can be considered here, the usual
one where lazy binding is in use and the less frequent one, where
immediate binding is requested via the use of the DF_BIND_NOW dynamic
flag (e.g. by using the GNU linker's "-z now" option).
This change only handles the first case. In this scenario the prelinker
does what the dynamic linker would do, that is it preinitialises
R_ARM_TLS_DESC relocations with a pointer to the lazy specialization as
provided with the DT_TLSDESC_PLT dynamic tag. A conflict is
additionally created and in the conflict resolution path the dynamic
linker complements the work by initialising the object's pointer as
indicated by the DT_TLSDESC_GOT dynamic tag to the linker's internal
lazy specialization worker function and also providing the associated
link map in the second entry of the GOT. This step is required, because
if prelinking is successful at the run time, then the dynamic linker's
elf_machine_runtime_setup() function isn't called that would normally do
so.
The second case remains unresolved, because support for that scenario
has not been implemented in the prelinker. In this case the lazy
specialization is unavailable and the DT_TLSDESC_PLT dynamic tag is not
present.
The prelinker could assume the common case of static specialization and
resolve the relocation, but that would require the exposure of dynamic
linker's specialization worker function. Furthermore the dynamic linker
would have to handle the relocation in the conflict resolution path and
see if the dynamic specialization should be used instead. This however
would require access to data structures currently not made available to
the conflict resolution path and therefore a redesign of this part of
the dynamic linker.
Alternatively the prelinker could defer all processing to the dynamic
linker's conflict resolution path, but that would require similar access
to the said data structures.
Therefore the prelinker issues an error instead and the dynamic linker
has assertions to check that DT_TLSDESC_PLT and DT_TLSDESC_GOT are in
use in its conflict resolution path.
This change resolves all TLS failures in the prelinker testsuite, as
noted in the bug report, as well as the small test case provided there.
Unfortunately we don't seem to have any hooks to factor in the prelinker
(if present on a system) to testing, so at this time this fix has to
rely on using the prelinker test suite and enabling TLS descriptors
there for coverage.
[BZ #17078]
* sysdeps/arm/dl-machine.h (elf_machine_rela)
[RESOLVE_CONFLICT_FIND_MAP]: Handle R_ARM_TLS_DESC relocation.
(elf_machine_lazy_rel): Handle prelinked R_ARM_TLS_DESC entries.
Joseph Myers [Thu, 17 Jul 2014 17:56:43 +0000 (17:56 +0000)]
Fix fallback fesetenv and feupdateenv on FE_NOMASK_ENV (bug 17088).
This patch fixes bug 17088, fallback fesetenv and feupdateenv not
giving an error for an FE_NOMASK_ENV argument when it requires traps
to be enabled. (This is the bug tested for by test-fenv-return.c.)
Tested mips64 soft-float.
[BZ #17088]
* math/fesetenv.c (__fesetenv)
[FE_NOMASK_ENV && FE_ALL_EXCEPT != 0]: Return 1 for FE_NOMASK_ENV.
* math/feupdateenv.c (__feupdateenv)
[FE_NOMASK_ENV && FE_ALL_EXCEPT != 0]: Likewise.
Joseph Myers [Thu, 17 Jul 2014 17:55:44 +0000 (17:55 +0000)]
[PATCH 6/6] Split s390 out of main Linux kernel-features.h.
This patch splits s390 out of the main Linux kernel-features.h.
Not tested.
* sysdeps/unix/sysv/linux/s390/kernel-features.h: New file.
* sysdeps/unix/sysv/linux/kernel-features.h [__s390__]
(__ASSUME_SOCKETCALL): Do not define.
Joseph Myers [Thu, 17 Jul 2014 17:54:43 +0000 (17:54 +0000)]
[PATCH 5/6] Split sh out of main Linux kernel-features.h.
This patch splits sh out of the main Linux kernel-features.h.
Not tested.
* sysdeps/unix/sysv/linux/sh/kernel-features.h: New file.
* sysdeps/unix/sysv/linux/kernel-features.h [__sh__]
(__ASSUME_SOCKETCALL): Do not define.
(__ASSUME_ST_INO_64_BIT): Define unconditionally.
[__LINUX_KERNEL_VERSION >= 0x020625 && __sh__]
(__ASSUME_ACCEPT4_SYSCALL): Do not define.
[__LINUX_KERNEL_VERSION >= 0x020625 && __sh__]
(__ASSUME_RECVMMSG_SYSCALL): Likewise.
[__LINUX_KERNEL_VERSION >= 0x030000 && __sh__]
(__ASSUME_SENDMMSG_SYSCALL): Likewise.
[__sh__] (__ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL): Likewise.