Ulrich Drepper [Sun, 26 Jul 2009 15:26:43 +0000 (08:26 -0700)]
Define NT_GNU_GOLD_VERSION.
H.J. Lu [Sun, 26 Jul 2009 02:15:14 +0000 (19:15 -0700)]
Some some optimizations for x86-64 strcmp.
Ulrich Drepper [Sat, 25 Jul 2009 19:29:04 +0000 (12:29 -0700)]
Handle missing NSS modules and those without callbacks.
getaddrinfo didn't update the status variable in that round of the
loop if no callback was used.
Ulrich Drepper [Sat, 25 Jul 2009 19:02:47 +0000 (12:02 -0700)]
Optimize x86-64 SSE4.2 strcmp.
The file contained some code which was never used. Don't compile it
in.
Ulrich Drepper [Fri, 24 Jul 2009 20:01:17 +0000 (13:01 -0700)]
Don't automatically use /lib/modules/* headers.
Ever since the /usr/include/linux headers got cleaned up this isn't
necessary. Meanwhile everybody should have these cleanups.
Ulrich Drepper [Fri, 24 Jul 2009 15:34:47 +0000 (08:34 -0700)]
More white space fixes.
Ulrich Drepper [Fri, 24 Jul 2009 15:32:47 +0000 (08:32 -0700)]
White space fixes in last checkin.
Andreas Krebbel [Fri, 24 Jul 2009 15:29:06 +0000 (08:29 -0700)]
S/390: Hardware iconv modules.
Ulrich Drepper [Fri, 24 Jul 2009 00:15:56 +0000 (17:15 -0700)]
Check for .cfi_{personality,lsda} on x86-64.
We need this support in NPTL now to avoid the hand-coded tables.
Ulrich Drepper [Thu, 23 Jul 2009 23:39:06 +0000 (16:39 -0700)]
Fix pthread_cond_timedwait error handling on old kernels.
Ulrich Drepper [Thu, 23 Jul 2009 21:03:53 +0000 (14:03 -0700)]
Avoid cpuid instructions in cache info discovery.
When multiarch is enabled we have this information stored. Use it.
Ulrich Drepper [Thu, 23 Jul 2009 20:42:46 +0000 (13:42 -0700)]
Add more cache descriptors for L3 caches on x86 and x86-64.
The most recent AP 485 describes a few more cache descriptors for
L3 caches with 24-way associativity.
Ulrich Drepper [Thu, 23 Jul 2009 20:15:17 +0000 (13:15 -0700)]
Perform test for Arom x86-64 in central place and handle it.
There will be more than one function which, in multiarch mode, wants
to use SSSE3. We should not test in each of them for Atoms with
slow SSSE3. Instead, disable the SSSE3 bit in the startup code for
such machines.
Ulrich Drepper [Thu, 23 Jul 2009 19:53:50 +0000 (12:53 -0700)]
Avoid warnings in test cases.
The posix/tst-rfc3484* test cases caused warnings in newer gccs
because the unused but copied sin_zero part of sockaddr_in wasn't
explicitly initialized.
Duncan Simpson [Thu, 23 Jul 2009 19:39:17 +0000 (12:39 -0700)]
Make include/unistd.h suitable for C++ test cases.
Ulrich Drepper [Thu, 23 Jul 2009 15:02:07 +0000 (08:02 -0700)]
Preserve stack alignment in i386 makecontext.
Ulrich Drepper [Thu, 23 Jul 2009 14:40:56 +0000 (07:40 -0700)]
Minor optimization of unloading prevention patch.
References to unique symbols from copy relocations can only come
from executables which cannot be unloaded anyway. Optimize the
code to set the unload flag a bit.
Ulrich Drepper [Thu, 23 Jul 2009 14:37:48 +0000 (07:37 -0700)]
Fix comment.
Ulrich Drepper [Thu, 23 Jul 2009 14:36:34 +0000 (07:36 -0700)]
Some more fixes for the unique symbol handling.
The hash value can be zero, so we need a different test for empty
slots. And unify the way we prevent a DSO from being unloaded.
Ulrich Drepper [Thu, 23 Jul 2009 14:07:53 +0000 (07:07 -0700)]
Handle unloading of DSO with a unique symbol definition.
Ulrich Drepper [Tue, 21 Jul 2009 15:32:54 +0000 (08:32 -0700)]
Add 2.11 news items.
Ulrich Drepper [Tue, 21 Jul 2009 14:52:12 +0000 (07:52 -0700)]
Minor cleanups in x86-64 strstr.
Ulrich Drepper [Tue, 21 Jul 2009 04:18:28 +0000 (21:18 -0700)]
Better check for optimization in new x86-64 strstr/strcasestr.
H.J. Lu [Tue, 21 Jul 2009 04:06:50 +0000 (21:06 -0700)]
SSE4.2 strstr/strcasestr for x86-64.
This patch implements SSE4.2 strstr/strcasestr, using Knuth-Morris-Pratt
string searching algorithm.
Ulrich Drepper [Tue, 21 Jul 2009 03:50:38 +0000 (20:50 -0700)]
Use correct index for _NL_CTYPE_NONASCII_CASE.
Ulrich Drepper [Tue, 21 Jul 2009 03:04:42 +0000 (20:04 -0700)]
Check generated locale for non-ASCII 8-bit characters with case conversion.
If a locale does not have 8-bit characters with case conversion which
are different from the ASCII conversion (±0x20) then we can perform
some optimizations. These will follow later.
Ulrich Drepper [Mon, 20 Jul 2009 15:39:47 +0000 (08:39 -0700)]
Minor optimizations of last x86-64 condvar changes.
Ulrich Drepper [Mon, 20 Jul 2009 03:56:40 +0000 (20:56 -0700)]
Support requeueing for condvars using PI mutex. x86-64 only.
Add support for the new FUTEX_WAIT_REQUEUE_PI and FUTEX_CMP_REQUEUE_PI
options of futex.
Ulrich Drepper [Sun, 19 Jul 2009 21:54:56 +0000 (14:54 -0700)]
Make x86-64 pthread_cond_timedwait more robust.
It just happens that __pthread_enable_asynccancel doesn't modify the $rdi
register. But this isn't guaranteed. Hence we reload the register after
the calls.
Ulrich Drepper [Sun, 19 Jul 2009 07:00:17 +0000 (00:00 -0700)]
Extend x86-64 __lll_robust_timedlock_wait to use futex syscall with absolute timeout.
Ulrich Drepper [Sun, 19 Jul 2009 05:07:25 +0000 (22:07 -0700)]
Add more sem_timedwait tests.
Ulrich Drepper [Sun, 19 Jul 2009 04:53:26 +0000 (21:53 -0700)]
Extend x86-64 pthread_rwlock_timedrdlock to use futex syscall with absolute timeout.
Ulrich Drepper [Sun, 19 Jul 2009 04:41:52 +0000 (21:41 -0700)]
Pretty printing last change.
Ulrich Drepper [Sun, 19 Jul 2009 04:35:33 +0000 (21:35 -0700)]
Extend x86-64 pthread_rwlock_timedwrlock to use futex syscall with absolute timeout.
Ulrich Drepper [Sat, 18 Jul 2009 20:08:21 +0000 (13:08 -0700)]
Remove leftover cfi.
Ulrich Drepper [Sat, 18 Jul 2009 19:45:27 +0000 (12:45 -0700)]
Extend pthread_cond_timedwait tests.
Ulrich Drepper [Sat, 18 Jul 2009 19:44:12 +0000 (12:44 -0700)]
Extend x86-64 pthread_cond_timedwait to use futex syscall with absolute timeout.
Ulrich Drepper [Sat, 18 Jul 2009 15:53:18 +0000 (08:53 -0700)]
Optimize x86-64 pthread_cond_timedwait.
Instead of actively registering an unwind buffer we now use the
exception handling functionality of the gcc runtime.
Ulrich Drepper [Sat, 18 Jul 2009 15:09:39 +0000 (08:09 -0700)]
Optimize x86-64 pthread_cond_wait.
Instead of actively registering an unwind buffer we now use the
exception handling functionality of the gcc runtime.
Ulrich Drepper [Sat, 18 Jul 2009 02:08:54 +0000 (19:08 -0700)]
Extend x86-64 sem_timedwait to use futex syscall with absolute timeout.
Ulrich Drepper [Fri, 17 Jul 2009 23:39:27 +0000 (16:39 -0700)]
Consistently use symbolic constants.
Ulrich Drepper [Fri, 17 Jul 2009 23:26:06 +0000 (16:26 -0700)]
Replace hand-coded unwind tables from x86-64 sem_timedwait.
Ulrich Drepper [Fri, 17 Jul 2009 22:50:23 +0000 (15:50 -0700)]
Optimize x86-64 sem_wait for uncontested semaphore.
Ulrich Drepper [Fri, 17 Jul 2009 22:31:36 +0000 (15:31 -0700)]
Replace hand-coded unwind tables from x86-64 sem_wait.
Ulrich Drepper [Fri, 17 Jul 2009 21:45:08 +0000 (14:45 -0700)]
Replace hand-coded unwind tables from x86-64 pthread_once.
Ulrich Drepper [Fri, 17 Jul 2009 19:14:09 +0000 (12:14 -0700)]
Replace hand-coded unwind tables from x86-64 pthread_cond_wait.
Ulrich Drepper [Fri, 17 Jul 2009 14:49:16 +0000 (07:49 -0700)]
Revert "Fix lock handling in memory hander of nscd."
This reverts commit
137028b4d7e50f71906c1656c27079eac5a1d085.
Conflicts:
ChangeLog
Ulrich Drepper [Fri, 17 Jul 2009 12:58:12 +0000 (05:58 -0700)]
Add missing BZ number in ChangeLog.
Ulrich Drepper [Fri, 17 Jul 2009 06:37:50 +0000 (23:37 -0700)]
Handle overly large answer buffers in resolver.
In EDNS0 records the maximum result size is transmitted in a 16
bit value. Large buffer sizes were handled incorrectly by using
only the low 16 bits. Fix this by limiting the size to 0xffff.
Petr Baudis [Thu, 16 Jul 2009 17:10:10 +0000 (10:10 -0700)]
Fix lock handling in memory hander of nscd.
The commit
20e498bd removes the pthread_mutex_rdlock() calls, but not the
corresponding pthread_mutex_unlock() calls. Also, the database lock is never
unlocked in one branch of the mempool_alloc() if.
I think unreproducible random assert(dh->usable) crashes in prune_cache() were
caused by this. But an easy way to make nscd threads hang with the broken
locking was.
Andreas Schwab [Thu, 16 Jul 2009 16:57:32 +0000 (09:57 -0700)]
Use correct release semantic in list update.
nscd uses lockfree lists and we need to ensure the correct release
semantics is used when adding to the list.
Ulrich Drepper [Thu, 16 Jul 2009 16:54:34 +0000 (09:54 -0700)]
Fix race in corruption check.
With atomic fastbins the checks performed can race with concurrent
modifications of the arena. If we detect a problem re-do the test
after getting the lock.
Jakub Jelinek [Thu, 16 Jul 2009 14:24:50 +0000 (07:24 -0700)]
Use rel semantics of cas instead of acq semantics with full barrier before it in _int_free
The following patch fixes catomic_compare_and_exchange_*_rel definitions
(which were never used and weren't correct) and uses
catomic_compare_and_exchange_val_rel in _int_free. Comparing to the
pre-2009-07-02 --enable-experimental-malloc state the generated code should
be identical on all arches other than ppc/ppc64 and on ppc/ppc64 should use
lwsync instead of isync barrier.
Ulrich Drepper [Thu, 16 Jul 2009 14:18:53 +0000 (07:18 -0700)]
Remove warning and little optimization.
The prototype for _dl_higher_prime_number was missing. While at it,
the function is now marked with internal_function.
Ulrich Drepper [Thu, 16 Jul 2009 14:15:15 +0000 (07:15 -0700)]
Optimize restoring of ymm registers on x86-64.
The patch mainly reduces the code size but also avoids some jumps.
Ulrich Drepper [Thu, 16 Jul 2009 14:02:27 +0000 (07:02 -0700)]
Fix up whitespaces in new memcmp for x86-64.
H.J. Lu [Thu, 16 Jul 2009 14:00:34 +0000 (07:00 -0700)]
memcmp implementation for x86-64 using SSE2.
Ulrich Drepper [Thu, 16 Jul 2009 00:59:14 +0000 (17:59 -0700)]
Fix thinko in AVX audit patch.
Don't use AVX instructions too often.
Ulrich Drepper [Thu, 16 Jul 2009 00:51:11 +0000 (17:51 -0700)]
Fix typo in last change.
Ulrich Drepper [Thu, 16 Jul 2009 00:41:36 +0000 (17:41 -0700)]
Secure AVX changes for auditing code.
The original AVX patch used a function pointer to handle the difference
between machines with and without AVX support. This is insecure. A
well-placed memory exploit could lead to redirection of the execution.
Using a variable and several tests is a bit slower but cannot be
exploited in this way.
Ulrich Drepper [Wed, 15 Jul 2009 15:27:19 +0000 (08:27 -0700)]
Fix build issue with modules for audit test on machines != x86-64.
H.J. Lu [Fri, 10 Jul 2009 19:04:14 +0000 (12:04 -0700)]
Add AVX support to ld.so auditing for x86-64.
Ulrich Drepper [Fri, 10 Jul 2009 15:50:33 +0000 (08:50 -0700)]
Remove do-lookup.h.
It is not necessary/useful anymore to have the content separate
from dl-lookup.c.
Ulrich Drepper [Fri, 10 Jul 2009 13:14:25 +0000 (06:14 -0700)]
Fix comment in Linux's <sys/epoll.h>.
Ulrich Drepper [Fri, 10 Jul 2009 06:52:22 +0000 (23:52 -0700)]
Implement STB_GNU_UNIQUE handling.
Some symbols have to be identified process-wide by their name. This is
particularly important for some C++ features (e.g., class local static data
and static variables in inline functions). This cannot completely be
implemented with ELF functionality so far. The STB_GNU_UNIQUE binding
helps by ensuring the dynamic linker will always use the same definition for
all symbols with the same name and this binding.
Ulrich Drepper [Tue, 7 Jul 2009 16:53:01 +0000 (09:53 -0700)]
Define STB_GNU_UNIQUE.
Ulrich Drepper [Tue, 7 Jul 2009 16:49:55 +0000 (09:49 -0700)]
Clean up code for hash table handling in ld.so.
Ulrich Drepper [Mon, 6 Jul 2009 13:55:57 +0000 (06:55 -0700)]
Optimize test for valid ELF symbol types in lookup function.
Andreas Schwab [Mon, 6 Jul 2009 06:46:03 +0000 (23:46 -0700)]
Fix wrong PPC_FEATURE_* values.
Nothing uses these wrong values yet, but it fixes a warning due to
conflicting definitions in <asm/cputable.h>.
Ulrich Drepper [Fri, 3 Jul 2009 10:23:01 +0000 (03:23 -0700)]
Minor cleanups in recently added files.
Ulrich Drepper [Fri, 3 Jul 2009 10:01:57 +0000 (03:01 -0700)]
Align functions to 16-byte boundary.
Some of the new multi-arch string functions for x86-64 were
not aligned to 16 byte boundarie,s possibly creating unnecessary
cache line misses and delays.
H.J. Lu [Fri, 3 Jul 2009 09:48:56 +0000 (02:48 -0700)]
Add SSE4.2 support for strcspn, strpbrk, and strspn on x86-64.
Ulrich Drepper [Thu, 2 Jul 2009 11:34:35 +0000 (04:34 -0700)]
Fix whitespace in last patch.
H.J. Lu [Thu, 2 Jul 2009 11:33:12 +0000 (04:33 -0700)]
Fix handling of xmm6 in ld.so audit hooks on x86-64.
Ulrich Drepper [Thu, 2 Jul 2009 10:43:05 +0000 (03:43 -0700)]
Whitespace fixes in last patch.
H.J. Lu [Thu, 2 Jul 2009 10:39:03 +0000 (03:39 -0700)]
SSSE3 strcpy/stpcpy for x86-64
This patch adds SSSE3 strcpy/stpcpy. I got up to 4X speed up on Core 2
and Core i7. I disabled it on Atom since SSSE3 version is slower for
shorter (<64byte) data.
Ulrich Drepper [Thu, 2 Jul 2009 10:30:55 +0000 (03:30 -0700)]
Fix possible race when freeing object in fast bin list.
Ulrich Drepper [Wed, 1 Jul 2009 10:41:30 +0000 (03:41 -0700)]
Fix NIS and NIS+ getnetbyaddr backends.
The addresses were interpreted as class-based network addresses.
Ulrich Drepper [Wed, 1 Jul 2009 10:33:26 +0000 (03:33 -0700)]
Fix getent networks lookup and resulting incorrect NSS change.
I changed the files NSS backend for networks because I thought the
getent use of getnetbyaddr is correct. But it isn't. Undo parts
of the last change and fix getent.
Ulrich Drepper [Wed, 1 Jul 2009 09:42:59 +0000 (02:42 -0700)]
Fix getnetbyaddr implementation.
There were two problems in the getnetbyaddr implementation. The type
argument is pretty much useless since (almost) no input file contains
this information and the NSS backends make up the value they fill in
for the n_addrtype field. Therefore we now declare that passing AF_UNSPEC
is always recognized. Secondly, the files backend didn't compare the network
numbers with the correct endianess.
Also change getent to take advantage of the type parameter change.
Ulrich Drepper [Tue, 30 Jun 2009 12:33:52 +0000 (05:33 -0700)]
Regenerated.
Ulrich Drepper [Tue, 30 Jun 2009 11:41:38 +0000 (04:41 -0700)]
Fix little checkin problem in last patch.
H.J. Lu [Tue, 30 Jun 2009 11:39:09 +0000 (04:39 -0700)]
Determine and store processor family and model on x86-64.
Ulrich Drepper [Fri, 26 Jun 2009 10:47:47 +0000 (03:47 -0700)]
Implement second fallback mode for DNS requests.
There is some more shardware/software out there which has problems
if two DNS requests are sent using the same tuple
(source addr, source port, dest addr, dest port)
This can range from firewalls to load balancers. Some of the vendors
already fixed it in response to this problem. Still, we need a way
to make glibc work with broken environments. The single-request-reopen
flag can be used or we fall back automatically to this mode.
Ulrich Drepper [Thu, 25 Jun 2009 15:57:44 +0000 (08:57 -0700)]
Whitespace fix.
Andreas Schwab [Thu, 25 Jun 2009 15:56:20 +0000 (08:56 -0700)]
Fix text relocation on ppc32.
The ____longjmp_chk implementation didn't load from memory the
right way.
Andreas Schwab [Wed, 24 Jun 2009 18:36:57 +0000 (11:36 -0700)]
Fix cfa offset for saved registers in PPC sqrt implementations.
Andreas Schwab [Tue, 23 Jun 2009 16:13:30 +0000 (09:13 -0700)]
Handle empty TZ strings at the end of new-style timzeone files correctly.
Ulrich Drepper [Tue, 23 Jun 2009 05:53:20 +0000 (22:53 -0700)]
Update from translation team.
Ulrich Drepper [Tue, 23 Jun 2009 04:55:15 +0000 (21:55 -0700)]
Update from translation team.
Ulrich Drepper [Tue, 23 Jun 2009 03:39:37 +0000 (20:39 -0700)]
Clean up whitespaces in last patch.
H.J. Lu [Tue, 23 Jun 2009 03:38:41 +0000 (20:38 -0700)]
Add SSE4.2 support for strcmp and strncmp on x86-64.
Ulrich Drepper [Mon, 22 Jun 2009 22:11:18 +0000 (15:11 -0700)]
More whitespace cleanups.
Ulrich Drepper [Mon, 22 Jun 2009 22:10:30 +0000 (15:10 -0700)]
Clean up whitespaces in last patch.
H.J. Lu [Mon, 22 Jun 2009 22:07:40 +0000 (15:07 -0700)]
Add more IFUNC tests.
Mostly tests around not-exported IFUNC functions, IFUNC in statically
linked binaries and PIEs, etc.
Ulrich Drepper [Sun, 21 Jun 2009 03:39:19 +0000 (20:39 -0700)]
Fix broken up NIS groups for compat NSS module.
The check for the inclusion of a group in the result gave up too early
in case of broken-up NIS groups. We now fall back automatically to
the slow mode of using getgrent_r. As an optimization, if there is
not blacklist we need not perform the check in the first place and
therefore can just accept the results of the initgroups_dyn callback.
Ulrich Drepper [Fri, 19 Jun 2009 05:37:31 +0000 (22:37 -0700)]
Add some more tests to malloc to detect corruptions.
Ulrich Drepper [Thu, 18 Jun 2009 14:52:38 +0000 (07:52 -0700)]
Add 802.15.4 definitions to header files.
H.J. Lu [Thu, 18 Jun 2009 02:55:18 +0000 (19:55 -0700)]
Use +link-pie Makefile rule to link PIE ifunc tests.
Ulrich Drepper [Wed, 17 Jun 2009 03:46:42 +0000 (20:46 -0700)]
Build pt_chown as PIE.