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Author SHA1 Message Date
Naohiro Tamura
bd4317fbd6 aarch64: define BTI_C and BTI_J macros as NOP unless HAVE_AARCH64_BTI 
This patch defines BTI_C and BTI_J macros conditionally for
performance.
If HAVE_AARCH64_BTI is true, BTI_C and BTI_J are defined as HINT
instruction for ARMv8.5 BTI (Branch Target Identification).
If HAVE_AARCH64_BTI is false, both BTI_C and BTI_J are defined as
NOP.
 2021-05-26 12:01:06 +01:00
Naohiro Tamura
77d175e14e config: Added HAVE_AARCH64_SVE_ASM for aarch64 
This patch checks if assembler supports '-march=armv8.2-a+sve' to
generate SVE code or not, and then define HAVE_AARCH64_SVE_ASM macro.
 2021-05-26 12:01:06 +01:00
Yang Xu
bfbdfe4eab tst-mallinfo2.c: Use correct multiple for total variable 
Since test uses 160 multiple for malloc size, we should also use 160 multiple
for total variable instead of 16, then comparison is meaningful. So fix it.

Also change the ">" to ">=" so that the test is technically valid.

Reviewed-by: DJ Delorie <dj@redhat.com>
 2021-05-25 16:47:01 -04:00
Florian Weimer
ac0353af81 Linux: Remove remaining references to $(shared-thread-library) 
Since the variable expands to nothing under Linux, it is no longer
necessary to clutter the makefiles with it.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-25 11:30:23 +02:00
Florian Weimer
3b638095a5 nptl: Do not install libpthread.so and do not link tests with it 
Keep installing libpthread.a, so that -lpthread works.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-25 11:30:23 +02:00
Lucas A. M. Magalhaes
709e3709a0 testrun.sh: Improve --help message 
The testrun.sh --help message was missing the "container" option.
Besides just adding the missing option I decide to rewrite it in the
same layout as other tools.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
 2021-05-25 10:14:19 +05:30
Nicholas Piggin
7de36744ee powerpc: Fix handling of scv return error codes [BZ #27892] 
When using scv for templated ASM syscalls, current code interprets any
negative return value as error, but the only valid error codes are in
the range -4095..-1 according to the ABI.

This commit also fixes 'signal.gen.test' strace test, where the issue
was first identified.

Reviewed-by: Matheus Castanho <msc@linux.ibm.com>
 2021-05-24 17:01:40 -03:00
H.J. Lu
79aec84102 Properly check stack alignment [BZ #27901] 
1. Replace

if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0)

which may be optimized out by compiler, with

int
__attribute__ ((weak, noclone, noinline))
is_aligned (void *p, int align)
{
  return (((uintptr_t) p) & (align - 1)) != 0;
}

2. Add TEST_STACK_ALIGN_INIT to TEST_STACK_ALIGN.
3. Add a common TEST_STACK_ALIGN_INIT to check 16-byte stack alignment
for both i386 and x86-64.
4. Update powerpc to use TEST_STACK_ALIGN_INIT.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
 2021-05-24 07:42:12 -07:00
Noah Goldstein
1b992204f6 x86: Improve memmove-vec-unaligned-erms.S 
This patch changes the condition for copy 4x VEC so that if length is
exactly equal to 4 * VEC_SIZE it will use the 4x VEC case instead of
8x VEC case.

Results For Skylake memcpy-avx2-erms
size, al1 , al2 , Cur T   , New T   , Win , New / Cur
128 , 0   , 0   , 9.137   , 6.873   , New , 75.22
128 , 7   , 0   , 12.933  , 7.732   , New , 59.79
128 , 0   , 7   , 11.852  , 6.76    , New , 57.04
128 , 7   , 7   , 12.587  , 6.808   , New , 54.09

Results For Icelake memcpy-evex-erms
size, al1 , al2 , Cur T   , New T   , Win , New / Cur
128 , 0   , 0   , 9.963   , 5.416   , New , 54.36
128 , 7   , 0   , 16.467  , 8.061   , New , 48.95
128 , 0   , 7   , 14.388  , 7.644   , New , 53.13
128 , 7   , 7   , 14.546  , 7.642   , New , 52.54

Results For Tigerlake memcpy-evex-erms
size, al1 , al2 , Cur T   , New T   , Win , New / Cur
128 , 0   , 0   , 8.979   , 4.95    , New , 55.13
128 , 7   , 0   , 14.245  , 7.122   , New , 50.0
128 , 0   , 7   , 12.668  , 6.675   , New , 52.69
128 , 7   , 7   , 13.042  , 6.802   , New , 52.15

Results For Skylake memmove-avx2-erms
size, al1 , al2 , Cur T   , New T   , Win , New / Cur
128 , 0   , 32  , 6.181   , 5.691   , New , 92.07
128 , 32  , 0   , 6.165   , 5.752   , New , 93.3
128 , 0   , 7   , 13.923  , 9.37    , New , 67.3
128 , 7   , 0   , 12.049  , 10.182  , New , 84.5

Results For Icelake memmove-evex-erms
size, al1 , al2 , Cur T   , New T   , Win , New / Cur
128 , 0   , 32  , 5.479   , 4.889   , New , 89.23
128 , 32  , 0   , 5.127   , 4.911   , New , 95.79
128 , 0   , 7   , 18.885  , 13.547  , New , 71.73
128 , 7   , 0   , 15.565  , 14.436  , New , 92.75

Results For Tigerlake memmove-evex-erms
size, al1 , al2 , Cur T   , New T   , Win , New / Cur
128 , 0   , 32  , 5.275   , 4.815   , New , 91.28
128 , 32  , 0   , 5.376   , 4.565   , New , 84.91
128 , 0   , 7   , 19.426  , 14.273  , New , 73.47
128 , 7   , 0   , 15.924  , 14.951  , New , 93.89

Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
 2021-05-23 22:50:49 -04:00
Noah Goldstein
fc335a0ded Bench: Add support for choose direction of memcpy in benchtests 
This patch adds support for testing memcpy with both dst > src and dst
< src. Since memcpy is implemented as memmove which has seperate
control flows for certain sizes depending on dst > src it seems like
1) information that should be provided in the benchtest output and a
variable that can be controlled for the benchmarks.

Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
 2021-05-23 19:36:36 -04:00
H.J. Lu
94bc766ec6 Add cast_to_pointer to cast an integer to void * pointer 2021-05-22 05:09:15 -07:00
Florian Weimer
49e182c737 nptl: Remove remaining code from libpthread 
Only the placeholder compatibility symbols are left now.

The __errno_location symbol was removed (moved) using
scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-21 22:35:01 +02:00
Florian Weimer
f47f1d91af nptl: Move pthread_create, thrd_create into libc 
The symbols were moved using scripts/move-symbol-to-libc.py.

The libpthread placeholder symbols need some changes because some
symbol versions have gone away completely.  But
__errno_location@@GLIBC_2.0 still exists, so the GLIBC_2.0 version
is still there.

The internal __pthread_create symbol now points to the correct
function, so the sysdeps/nptl/thrd_create.c override is no longer
necessary.

There was an issue how the hidden alias of pthread_getattr_default_np
was defined, so this commit cleans up that aspects and removes the
GLIBC_PRIVATE export altogether.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-21 22:35:00 +02:00
Florian Weimer
7862ff8e69 elf: Use custom NODELETE DSO for tst-dlopenfail, tst-dlopenfail-2 
Once libpthread is empty and no longer marked NODELETE, it no longer
can be used for testing.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-21 22:35:00 +02:00
Florian Weimer
b8cdc3bba7 nptl: Move semi-public __pthread_get_minstack symbol into libc 
No abilist updates here because it is a GLIBC_PRIVATE symbol.

It's also necessary to move nptl_version into pthread_create, so
that it still ends up in static binaries.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-21 22:35:00 +02:00
Florian Weimer
d03511f48f nptl: Eliminate the __static_tls_size, __static_tls_align_m1 variables 
Use the  __nptl_tls_static_size_for_stack inline function instead,
and the GLRO (dl_tls_static_align) value directly.

The computation of GLRO (dl_tls_static_align)  in
_dl_determine_tlsoffset ensures that the alignment is at least
TLS_TCB_ALIGN, which at least STACK_ALIGN (see allocate_stack).
Therefore, the additional rounding-up step is removed.

ALso move the initialization of the default stack size from
__pthread_initialize_minimal_internal to __pthread_early_init.
This introduces an extra system call during single-threaded startup,
but this simplifies the initialization sequence.  No locking is
needed around the writes to __default_pthread_attr because the
process is single-threaded at this point.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-21 22:35:00 +02:00
Florian Weimer
2f69522d46 nptl: Perform signal initialization upon pthread_create 
Install signal handlers and unblock signals before pthread_create
creates the first thread.

create_thread in sysdeps/unix/sysv/linux/createthread.c can send
SIGCANCEL to the current thread, so the SIGCANCEL handler is currently
needed even if pthread_cancel is never called.  (The way timer_create
uses SIGCANCEL does not need a signal handler; both SIG_DFL and SIG_IGN
dispositions should work.)

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-21 22:35:00 +02:00
Florian Weimer
06a36b70f9 nptl: Remove unused __libc_pthread_init function 
Fixes commit 732139dabe
("Linux: Move __reclaim_stacks into the fork implementation in
libc").
 2021-05-21 12:09:07 +02:00
Noah Goldstein
6abf27980a x86: Improve memset-vec-unaligned-erms.S 
No bug. This commit makes a few small improvements to
memset-vec-unaligned-erms.S. The changes are 1) only aligning to 64
instead of 128. Either alignment will perform equally well in a loop
and 128 just increases the odds of having to do an extra iteration
which can be significant overhead for small values. 2) Align some
targets and the loop. 3) Remove an ALU from the alignment process. 4)
Reorder the last 4x VEC so that they are stored after the loop. 5)
Move the condition for leq 8x VEC to before the alignment
process. test-memset and test-wmemset are both passing.

Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
 2021-05-20 17:28:33 -04:00
Florian Weimer
f5e196b5a0 Hurd: Define ARCH_MIN_GUARD_SIZE in internal <pthread.h> 
This macro is always defined on Linux.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
 2021-05-20 18:56:57 +02:00
Florian Weimer
9ec7fff6cd elf: Initialize GLRO (dl_minsigstacksize) after static dlopen 
This is another field of _rtld_global_ro that benefits from
initialization in __rtld_static_init.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
 2021-05-20 18:56:42 +02:00
Florian Weimer
eb0e4756cf nptl: Add missing __pthread_cond_wait alias in static builds 
Fixes commit cf3fff1c19 ("nptl: Move
cnd_wait into libc").

Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
 2021-05-19 22:16:28 +02:00
Adhemerval Zanella
f294306ba1 Remove --enable-stackguard-randomization (BZ #27872) 
Last ENABLE_STACKGUARD_RANDOMIZE usage was removed by 4a103975c4.
 2021-05-19 10:22:19 -03:00
Florian Weimer
1805bf753f s390x: Check HWCAP bits against compiler flags 
When compiled with GCC 11.1 and -march=z14 -O3 build flags, running
ld.so (or any dynamically linked program) prints:

Fatal glibc error: CPU lacks VXE support (z14 or later required)

Co-Authored-By: Stefan Liebler <stli@linux.ibm.com>
Reviewed-by: Stefan Liebler <stli@linux.ibm.com>
 2021-05-19 11:09:57 +02:00
Florian Weimer
d337345ce1 powerpc64le: Check HWCAP bits against compiler build flags 
When built with GCC 11.1 and -mcpu=power9, ld.so prints this error
message when running on POWER8:

Fatal glibc error: CPU lacks ISA 3.00 support (POWER9 or later required)
 2021-05-19 11:09:57 +02:00
Florian Weimer
eb24865637 elf: Add hook for checking HWCAP bits after auxiliary vector parsing 
Reviewed-by: Stefan Liebler <stli@linux.ibm.com>
 2021-05-19 11:09:57 +02:00
Noah Goldstein
4ad473e97a x86: Optimize memcmp-evex-movbe.S 
No bug. This commit optimizes memcmp-evex.S. The optimizations include
adding a new vec compare path for small sizes, reorganizing the entry
control flow, removing some unnecissary ALU instructions from the main
loop, and most importantly replacing the heavy use of vpcmp + kand
logic with vpxor + vptern. test-memcmp and test-wmemcmp are both
passing.

Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
 2021-05-18 22:57:51 -04:00
Noah Goldstein
16d12015c5 x86: Optimize memcmp-avx2-movbe.S 
No bug. This commit optimizes memcmp-avx2.S. The optimizations include
adding a new vec compare path for small sizes, reorganizing the entry
control flow, and removing some unnecissary ALU instructions from the
main loop. test-memcmp and test-wmemcmp are both passing.

Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
 2021-05-18 22:57:44 -04:00
Noah Goldstein
e68d6fccca x86: Expand bench-memcmp.c and test-memcmp.c 
No bug. This commit adds some additional performance test cases to
bench-memcmp.c and test-memcmp.c. The new benchtests include some
medium range sizes, as well as small sizes near page cross. The new
correctness tests correspond with the new benchtests though add some
additional cases for checking the page cross logic.

Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
 2021-05-18 22:57:39 -04:00
Adhemerval Zanella
3f500e7202 linux: Fix clock_getres fallback 
The tst-timespec_getres (e5ac7bd679) triggers an issue on 32-bit
architecture on Linux older than 5.1, where the fallback syscall
is used.

Checked on powerpc-linux-gnu.
 2021-05-18 16:59:56 -03:00
Joseph Myers
8382f4c3e5 Do not declare asctime_r and ctime_r for C2X 
ISO C2X added the asctime_r, ctime_r, gmtime_r and localtime_r
functions from POSIX.  It's now removed asctime_r and ctime_r again,
reflecting that they are marked obsolescent in POSIX; update glibc's
time.h accordingly.

The same change that removed those two functions from C2X also marked
asctime and ctime as deprecated (reflecting how POSIX shows them as
obsolescent), i.e. using the [[deprecated]] attribute in the
prototypes shown in C2X.  It's less clear if we should explicitly
deprecate those functions like that in the glibc headers; this patch
does nothing regarding such a deprecation (there's no normative
requirement from C2X showing the functions as deprecated).

Tested for x86_64 and x86.
 2021-05-18 19:47:49 +00:00
Samuel Thibault
af46a4d638 htl: Add __libpthread_freeres 2021-05-18 17:46:12 +00:00
Samuel Thibault
4d4bb451d5 hurd: Add execveat 2021-05-18 09:36:00 +00:00
Stefan Liebler
2457175e8b Fix stringop-overflow warning in bug-regex19.c. 
Starting with commit
26492c0a14
"Annotate additional APIs with GCC attribute access.",
gcc emits this warning on s390x:
In function 'do_one_test',
    inlined from 'do_mb_tests' at bug-regex19.c:385:11:
bug-regex19.c:271:9: error: 're_search' specified size 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Werror=stringop-overflow=]
  271 |   res = re_search (&regbuf, test->string, strlen (test->string),
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  272 |      test->start, strlen (test->string) - test->start, NULL);
      |      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../include/regex.h:2,
                 from bug-regex19.c:22:
bug-regex19.c: In function 'do_mb_tests':
../posix/regex.h:554:17: note: in a call to function 're_search' declared with attribute 'read_only (2, 3)'
  554 | extern regoff_t re_search (struct re_pattern_buffer *__buffer,
      |                 ^~~~~~~~~
...

The function do_one_test is inlined into do_mb_tests on s390x (at least with
gcc 10).  If do_one_test is marked with __attribute__ ((noinline)), there are
no warnings on s390x. If do_one_test is marked with
__attribute__ ((always_inline)), there are the same warnings on x86_64.

test->string points to a variable length array on stack of do_mb_tests
and the content is generated based on the passed test struct.

According to Martin Sebor, this is a false positive caused by the same bug as
the one in nss/makedb.c.  It's fixed in GCC 11 and will also be available in
the next GCC 10.4 release.
 2021-05-18 10:07:30 +02:00
Florian Weimer
f17164bd51 localedata: Use U+00AF MACRON in more EBCDIC charsets [BZ #27882] 
This updates IBM256, IBM277, IBM278, IBM280, IBM284, IBM297, IBM424
in the same way that IBM273 was updated for bug 23290.

IBM256 and IBM424 still have holes after this change, so HAS_HOLES
is not updated.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
 2021-05-18 07:21:45 +02:00
Siddhesh Poyarekar
22866ed858 ldconfig: Avoid boolean coercion of opt_chroot 
Generated code is unchanged.
 2021-05-18 09:34:04 +05:30
Siddhesh Poyarekar
468d772e81 ldconfig: Fix memory leaks 
Coverity discovered that paths allocated by chroot_canon are not freed
in a couple of routines in ldconfig.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-18 09:29:02 +05:30
Siddhesh Poyarekar
c8c3c5e89a charmap_conversion: Free conversion table on exit 
The conversion table is allocated using xcalloc but never freed.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-18 09:25:40 +05:30
Siddhesh Poyarekar
a85cdcdb35 elf/cache.c: Fix resource leaks identified by static analyzers 
A coverity run identified a number of resource leaks in cache.c.
There are a couple of simple memory leaks where a local allocation is
not freed before function return.  Then there is a mmap leak and a
file descriptor leak where a map is not unmapped in the error case and
a file descriptor remains open respectively.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-18 09:08:41 +05:30
Siddhesh Poyarekar
2317101658 show_archive_content: Fix trivial memory leak 
Fix trivial leak identified by coverity.  The program runs to exit and
the leak doesn't grow, but it's just cleaner to free the allocated
memory.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-18 09:07:06 +05:30
Joseph Myers
e5ac7bd679 Add C2X timespec_getres 
ISO C2X adds a timespec_getres function alongside the C11
timespec_get, with functionality similar to that of POSIX clock_getres
(including allowing a NULL pointer to be passed to the function).
Implement this function for glibc, similarly to the implementation of
timespec_get.

This includes a basic test like that of timespec_get, but no
documentation in the manual, given that TIME_UTC and timespec_get
aren't documented in the manual at all.  The handling of 64-bit time
follows that in timespec_get; people maintaining patch series for
64-bit time will need to update them accordingly (to export
__timespec_getres64, redirect calls in time.h and run the test for
_TIME_BITS=64).

Tested for x86_64 and x86, and (previous version; only testcase
differs) with build-many-glibcs.py.
 2021-05-17 20:55:21 +00:00
Andreas Schwab
c6b6b4f2c7 Missing ENOMEM in realloc_check wrapper (bug 27870) 
When MALLOC_CHECK_ is non-zero, the realloc hook missed to set errno to
ENOMEM when called with too big size.  Run the test tst-malloc-too-large
also with MALLOC_CHECK_=3 to catch that.
 2021-05-17 21:39:23 +02:00
Matheus Castanho
f4605e611a benchtests: Use JSON for bench-rawmemchr output 
Convert the output of benchtests/bench-rawmemchr to JSON like other string
benchmarks.  This makes the output more parseable and allows usage of
compare_strings.py, for example.

Reviewed-by: Lucas A. M. Magalhaes <lamm@linux.ibm.com>
 2021-05-17 11:10:19 -03:00
Matheus Castanho
1a594aa986 powerpc: Add optimized rawmemchr for POWER10 
Reuse code for optimized strlen to implement a faster version of rawmemchr.
This takes advantage of the same benefits provided by the strlen implementation,
but needs some extra steps. __strlen_power10 code should be unchanged after this
change.

rawmemchr returns a pointer to the char found, while strlen returns only the
length, so we have to take that into account when preparing the return value.

To quickly check 64B, the loop on __strlen_power10 merges the whole block into
16B by using unsigned minimum vector operations (vminub) and checks if there are
any \0 on the resulting vector. The same code is used by rawmemchr if the char c
is 0. However, this approach does not work when c != 0.  We first need to
subtract each byte by c, so that the value we are looking for is converted to a
0, then taking the minimum and checking for nulls works again.

The new code branches after it has compared ~256 bytes and chooses which of the
two strategies above will be used in the main loop, based on the char c. This
extra branch adds some overhead (~5%) for length ~256, but is quickly amortized
by the faster loop for larger sizes.

Compared to __rawmemchr_power9, this version is ~20% faster for length < 256.
Because of the optimized main loop, the improvement becomes ~35% for c != 0
and ~50% for c = 0 for strings longer than 256.

Reviewed-by: Lucas A. M. Magalhaes <lamm@linux.ibm.com>
Reviewed-by: Raphael M Zinsly <rzinsly@linux.ibm.com>
 2021-05-17 10:30:35 -03:00
Florian Weimer
2d53566ec3 nptl: Move pthread_sigqueue into libc 
The symbol was moved using scripts/move-symbol-to-libc.py.

The GLIBC_2.11 version is now empty, so add a placeholder symbol.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-17 10:25:12 +02:00
Florian Weimer
56f823abd4 nptl: Move pthread_setschedprio into libc 
The symbol was moved using scripts/move-symbol-to-libc.py.

The GLIBC_2.3.4 version is now empty, so add a placeholder symbol.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-17 10:25:12 +02:00
Florian Weimer
8bc6a6d73c nptl: Move pthread_setname_np into libc 
The symbol was moved using scripts/move-symbol-to-libc.py.

Add __libpthread_version_placeholder@@GLIBC_2.12 for the targets
that need it.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-17 10:25:12 +02:00
Florian Weimer
7b300ec7f9 nptl: Move pthread_setaffinity_np into libc 
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-17 10:25:12 +02:00
Florian Weimer
c924e44acd nptl: Move pthread_getname_np into libc 
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-17 10:25:12 +02:00
Florian Weimer
310e59e64c nptl: Move pthread_getcpuclockid into libc 
The symbol was moved using scripts/move-symbol-to-libc.py.

__libpthread_version_placeholder@@GLIBC_2.2 is needed by this change;
the Versions entry for GLIBC_2.2 in libpthread had leftover symbols
due to an error in a previous conflict resolution.  The condition
for the placeholder symbol is complicated because some architectures
have earlier symbols at the GLIBC_2.2 symbol versions, so the
placeholder is not required there (yet).

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 2021-05-17 10:25:11 +02:00