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* y2038: Add support for 64-bit time on legacy ABIsAdhemerval Zanella2021-06-1581-18/+1604
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A new build flag, _TIME_BITS, enables the usage of the newer 64-bit time symbols for legacy ABI (where 32-bit time_t is default). The 64 bit time support is only enabled if LFS (_FILE_OFFSET_BITS=64) is also used. Different than LFS support, the y2038 symbols are added only for the required ABIs (armhf, csky, hppa, i386, m68k, microblaze, mips32, mips64-n32, nios2, powerpc32, sparc32, s390-32, and sh). The ABIs with 64-bit time support are unchanged, both for symbol and types redirection. On Linux the full 64-bit time support requires a minimum of kernel version v5.1. Otherwise, the 32-bit fallbacks are used and might results in error with overflow return code (EOVERFLOW). The i686-gnu does not yet support 64-bit time. This patch exports following rediretions to support 64-bit time: * libc: adjtime adjtimex clock_adjtime clock_getres clock_gettime clock_nanosleep clock_settime cnd_timedwait ctime ctime_r difftime fstat fstatat futimens futimes futimesat getitimer getrusage gettimeofday gmtime gmtime_r localtime localtime_r lstat_time lutimes mktime msgctl mtx_timedlock nanosleep nanosleep ntp_gettime ntp_gettimex ppoll pselec pselect pthread_clockjoin_np pthread_cond_clockwait pthread_cond_timedwait pthread_mutex_clocklock pthread_mutex_timedlock pthread_rwlock_clockrdlock pthread_rwlock_clockwrlock pthread_rwlock_timedrdlock pthread_rwlock_timedwrlock pthread_timedjoin_np recvmmsg sched_rr_get_interval select sem_clockwait semctl semtimedop sem_timedwait setitimer settimeofday shmctl sigtimedwait stat thrd_sleep time timegm timerfd_gettime timerfd_settime timespec_get utime utimensat utimes utimes wait3 wait4 * librt: aio_suspend mq_timedreceive mq_timedsend timer_gettime timer_settime * libanl: gai_suspend Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* y2038: Add __USE_TIME_BITS64 support for socket-constants.hAdhemerval Zanella2021-06-155-16/+175
| | | | | | | | | | | | | | It is only used for !__USE_MISC, the default way uses the kernel headers. The patch also adds the SO_TIMESTAMP, SO_TIMESTAMPNS, and SO_TIMESTAMPING which uses new values for 64-bit time_t kernel interfaces. The __USE_TIME_BITS64 is not defined internally yet, although the internal header is used when building the 64-bit stat implementations. Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* y2038: Use a common definition for shmid_dsAdhemerval Zanella2021-06-158-26/+68
| | | | | | | | | | | | Instead of replicate the same definitions from struct_shmid64_ds.h on the multiple struct_shmid_ds.h, use a common header which is included when required (struct_shmid64_ds_helper.h). The __USE_TIME_BITS64 is not defined internally yet, although the internal header is used when building the 64-bit semctl implementation. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* y2038: Use a common definition for semid_dsAdhemerval Zanella2021-06-159-14/+61
| | | | | | | | | | | | Instead of replicate the same definitions from struct_semid64_ds.h on the multiple struct_semid_ds.h, use a common header which is included when required (struct_semid64_ds_helper.h). The __USE_TIME_BITS64 is not defined internally yet, although the internal header is used when building the 64-bit semctl implementation. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* y2038: Use a common definition for msqid_dsLukasz Majewski2021-06-158-28/+81
| | | | | | | | | | | | Instead of replicate the same definitions from struct_msqid64_ds.h on the multiple struct_msqid_ds.h, use a common header which is included when required (struct_msqid64_ds_helper.h). The __USE_TIME_BITS64 is not defined internally yet, although the internal header is used when building the 64-bit stat implementations. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* y2038: Use a common definition for statLukasz Majewski2021-06-1510-243/+320
| | | | | | | | | | | | | Instead of replicate the same definitions from struct_stat_time64.h on the multiple struct_stat.h, use a common header which is included when required (struct_stat_time64_helper.h). The 64-bit time support is added only for LFS support. The __USE_TIME_BITS64 is not defined internally yet, although the internal header is used when building the 64-bit stat implementations. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* y2038: linux: Add __USE_TIME_BITS64 support for struct timexAdhemerval Zanella2021-06-151-0/+31
| | | | | | | | The __USE_TIME_BITS64 is not defined internally yet. Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* linux: Add recvvmsg fallback for 64-bit time_t SO_TIMESTAMP{NS}Adhemerval Zanella2021-06-151-2/+15
| | | | | | | | | | | | | | | | | | | | | | Handle the SO_TIMESTAMP{NS} similar to recvmsg: for !__ASSUME_TIME64_SYSCALLS it converts the first 32-bit time SO_TIMESTAMP or SO_TIMESTAMPNS and appends it to the control buffer if has extra space or returns MSG_CTRUNC otherwise. The 32-bit time field is kept as-is. Also for !__ASSUME_TIME64_SYSCALLS it limits the maximum number of 'struct mmsghdr *' to IOV_MAX (and also increases the stack size requirement to IOV_MAX times sizeof (socklen_t)). The Linux imposes a similar limit to sendmmsg, so bound the array size on recvmmsg is not unreasonable. And this will be used only on older when building with 32-bit time support. Checked on x86_64-linux-gnu and i686-linux-gnu (on 5.4 and on 4.15 kernel). Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* linux: Add fallback for 64-bit time_t SO_TIMESTAMP{NS}Adhemerval Zanella2021-06-1510-7/+162
| | | | | | | | | | | | | | | | | | | | | | The recvmsg handling is more complicated because it requires check the returned kernel control message and make some convertions. For !__ASSUME_TIME64_SYSCALLS it converts the first 32-bit time SO_TIMESTAMP or SO_TIMESTAMPNS and appends it to the control buffer if has extra space or returns MSG_CTRUNC otherwise. The 32-bit time field is kept as-is. Calls with __TIMESIZE=32 will see the converted 64-bit time control messages as spurious control message of unknown type. Calls with __TIMESIZE=64 running on pre-time64 kernels will see the original message as a spurious control ones of unknown typ while running on kernel with native 64-bit time support will only see the time64 version of the control message. Checked on x86_64-linux-gnu and i686-linux-gnu (on 5.4 and on 4.15 kernel). Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* linux: Add fallback for 64-bit time_t SO_{RCV,SND}TIMEOAdhemerval Zanella2021-06-147-15/+276
| | | | | | | | | | | | | | | | | | | The constant values will be changed for __TIMESIZE=64, so binaries built with 64-bit time support might fail to work properly on old kernels. Both {get,set}sockopt will retry the syscall with the old constant values and the timeout value adjusted when kernel returns ENOTPROTOPT. It also adds an internal only SO_{RCV,SND}TIMEO where COMPAT_SO_{RCV,SND}TIMEO_OLD indicates pre 32-bit time support and COMPAT_SO_{RCV,SND}TIMEO_NEW indicates time64 support. It allows to refer to constant independently of the time_t ABI and kernel version used. Checked on x86_64-linux-gnu and i686-linux-gnu (on 5.4 and on 4.15 kernel). Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* linux: s390: Add libanl.abilist in s390 and s390xAdhemerval Zanella2021-06-142-0/+4
| | | | | | | | The s390 will require the 64-bit time symbols for y2038 support. Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* linux: mips: Split libanl.abilist in n32 and n64Adhemerval Zanella2021-06-142-0/+4
| | | | | | | | The n32 will require the 64-bit time symbols for y2038 support. Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* linux: mips: Split librt.abilist in n32 and n64Adhemerval Zanella2021-06-142-0/+37
| | | | | | | | The n32 will require the 64-bit time symbols for y2038 support. Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
* Add build option to disable usage of scv on powerpcMatheus Castanho2021-06-103-5/+13
| | | | | | | | | | | | | | | | | Commit 68ab82f56690ada86ac1e0c46bad06ba189a10ef added support for the scv syscall ABI on powerpc. Since then systems that have kernel and processor support started using scv. However adding the proper support for a new syscall ABI requires changes to several other projects (e.g. qemu, valgrind, strace, kernel), which are gradually receiving support. Meanwhile, having a way to disable scv on glibc at build time can be useful for distros that may encounter conflicts with projects that still do not support the scv ABI, buying time until proper support is added. This commit adds a --disable-scv option that disables scv support and uses sc for all syscalls, like before commit 68ab82f56690ada86ac1e0c46bad06ba189a10ef. Reviewed-by: Raphael M Zinsly <rzinsly@linux.ibm.com>
* nptl: Implement raise in terms of pthread_killAdhemerval Zanella2021-06-091-52/+0
| | | | | | | | | | | | | | | | Now that pthread_kill is provided by libc.so it is possible to implement the generic POSIX implementation as 'pthread_kill(pthread_self(), sig)'. For Linux implementation, pthread_kill read the targeting TID from the TCB. For raise, this it not possible because it would make raise fail when issue after vfork (where creates the resulting process has a different TID from the parent, but its TCB is not updated as for pthread_create). To make raise use pthread_kill, it is make usable from vfork by getting the target thread id through gettid syscall. Checked on x86_64-linux-gnu and aarch64-linux-gnu.
* configure: Replaced obsolete AC_TRY_COMPILENaohiro Tamura2021-06-043-12/+13
| | | | | | | | | | | | | | | | | This patch replaced obsolete AC_TRY_COMPILE to AC_COMPILE_IFELSE or AC_PREPROC_IFELSE. It has been confirmed that GNU 'autoconf' 2.69 suppressed obsolete warnings, updated the following files: - configure - sysdeps/mach/configure - sysdeps/mach/hurd/configure - sysdeps/s390/configure - sysdeps/unix/sysv/linux/configure and didn't change the following files: - sysdeps/ieee754/ldbl-opt/configure - sysdeps/unix/sysv/linux/powerpc/configure Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Remove exit-thread.hAdhemerval Zanella2021-06-041-37/+0
| | | | | No function change. The code is used only for Linux, besides being included in generic code.
* dlfcn: Move dlopen into libcFlorian Weimer2021-06-0361-42/+122
| | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* dlfcn: Move dlvsym into libcFlorian Weimer2021-06-0361-29/+64
| | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* dlfcn: Move dlinfo into libcFlorian Weimer2021-06-0361-29/+80
| | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* dlfcn: Move dladdr1 into libcFlorian Weimer2021-06-0361-29/+64
| | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* dlfcn: Move dlmopen into libcFlorian Weimer2021-06-0361-29/+80
| | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* dlfcn: Move dlsym into libcFlorian Weimer2021-06-0361-29/+64
| | | | | | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. In elf/Makefile, remove the $(libdl) dependency from testobj1.so because it the unused libdl DSO now causes elf/tst-unused-deps to fail. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* dlfcn: Move dladdr into libcFlorian Weimer2021-06-0361-29/+64
| | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* dlfcn: Move dlclose into libcFlorian Weimer2021-06-0361-29/+64
| | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* dlfcn: Move dlerror into libcFlorian Weimer2021-06-0261-29/+64
| | | | | | | | | | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. There is a minor functionality enhancement: dlerror now sets errno if it was set as part of the exception. (This is the result of using %m in asprintf, to avoid the strerror PLT call.) The previous errno value upon function return was unpredictable. Documenting this as a feature is premature; we need to make sure that the error codes are meaningful when they are set by the dynamic loader. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Add libc ABI extension kludge for baseline-violating libdl symbolsFlorian Weimer2021-06-024-0/+4
| | | | | | | | | | | | | | | | | | | Some targets have a GLIBC_2.0 baseline for libdl, while using GLIBC_2.2 for libc. This means that the generated libc.map file does not have any version nodes for GLIBC_2.0 or GLIBC_2.1. However, moving symbols from libdl into libc needs such version nodes. (Future symbol moves from librt will need this as well.) This kludge is only necessary for symbols predating GLIBC_2.2 because the affected targets use GLIBC_2.2 as the baseline for libc. Given the small number and fixed set of affected architectures, no generic mechanism is implemented, and instead the map file fragment is hard-coded in scripts/versions.mk. The compat_symbol macro already emits the appropriate version strings, so no adjustments are needed there. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Add missing symbols to Version filesFlorian Weimer2021-06-0212-47/+51
| | | | | | | | | Some symbols have explicit versioned_symbol or compat_symbol markers in the sources, but no corresponding entry in the Versions files. This presently works because the local: * directive is only applied to the base version. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Fix use of __pthread_attr_copy in mq_notify (bug 27896)Florian Weimer2021-06-021-2/+9
| | | | | | | | | | | | | | __pthread_attr_copy can fail and does not initialize the attribute structure in that case. If __pthread_attr_copy is never called and there is no allocated attribute, pthread_attr_destroy should not be called, otherwise there is a null pointer dereference in rt/tst-mqueue6. Fixes commit 42d359350510506b87101cf77202fefcbfc790cb ("Use __pthread_attr_copy in mq_notify (bug 27896)"). Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
* Use __pthread_attr_copy in mq_notify (bug 27896)Andreas Schwab2021-06-011-5/+10
| | | | | Make a deep copy of the pthread attribute object to remove a potential use-after-free issue.
* aarch64: align stack in clone [BZ #27939]Szabolcs Nagy2021-06-011-0/+2
| | | | | | | The AArch64 PCS requires 16 byte aligned stack. Previously if the caller passed an unaligned stack to clone then the child crashed. Fixes bug 27939.
* x86-64: Align child stack to 16 bytes [BZ #27902]H.J. Lu2021-05-313-4/+103
| | | | | | | In the x86-64 clone wrapper, align child stack to 16 bytes per the x86-64 psABI. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* nptl: Move Linux createthread to nptlAdhemerval Zanella2021-05-271-153/+0
| | | | | | git mv -f sysdeps/unix/sysv/linux/createthread.c nptl/createthread.c No functional change.
* aarch64: Added optimized memcpy and memmove for A64FXNaohiro Tamura2021-05-272-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch optimizes the performance of memcpy/memmove for A64FX [1] which implements ARMv8-A SVE and has L1 64KB cache per core and L2 8MB cache per NUMA node. The performance optimization makes use of Scalable Vector Register with several techniques such as loop unrolling, memory access alignment, cache zero fill, and software pipelining. SVE assembler code for memcpy/memmove is implemented as Vector Length Agnostic code so theoretically it can be run on any SOC which supports ARMv8-A SVE standard. We confirmed that all testcases have been passed by running 'make check' and 'make xcheck' not only on A64FX but also on ThunderX2. And also we confirmed that the SVE 512 bit vector register performance is roughly 4 times better than Advanced SIMD 128 bit register and 8 times better than scalar 64 bit register by running 'make bench'. [1] https://github.com/fujitsu/A64FX Reviewed-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com> Reviewed-by: Szabolcs Nagy <Szabolcs.Nagy@arm.com>
* aarch64: Added Vector Length Set test helper scriptNaohiro Tamura2021-05-261-0/+82
| | | | | | | | | | | | | | | | | | | This patch is a test helper script to change Vector Length for child process. This script can be used as test-wrapper for 'make check'. Usage examples: ~/build$ make check subdirs=string \ test-wrapper='~/glibc/sysdeps/unix/sysv/linux/aarch64/vltest.py 16' ~/build$ ~/glibc/sysdeps/unix/sysv/linux/aarch64/vltest.py 16 \ make test t=string/test-memcpy ~/build$ ~/glibc/sysdeps/unix/sysv/linux/aarch64/vltest.py 32 \ ./debugglibc.sh string/test-memmove ~/build$ ~/glibc/sysdeps/unix/sysv/linux/aarch64/vltest.py 64 \ ./testrun.sh string/test-memset
* Linux: Remove remaining references to $(shared-thread-library)Florian Weimer2021-05-252-7/+0
| | | | | | | 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>
* nptl: Remove remaining code from libpthreadFlorian Weimer2021-05-2135-68/+26
| | | | | | | | | 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>
* nptl: Move pthread_create, thrd_create into libcFlorian Weimer2021-05-2161-66/+173
| | | | | | | | | | | | | | | | | | | 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>
* linux: Fix clock_getres fallbackAdhemerval Zanella2021-05-181-1/+1
| | | | | | | | The tst-timespec_getres (e5ac7bd679de5) triggers an issue on 32-bit architecture on Linux older than 5.1, where the fallback syscall is used. Checked on powerpc-linux-gnu.
* Add C2X timespec_getresJoseph Myers2021-05-1734-0/+83
| | | | | | | | | | | | | | | | | | | 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.
* nptl: Move pthread_sigqueue into libcFlorian Weimer2021-05-1761-29/+83
| | | | | | | | 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>
* nptl: Move pthread_setschedprio into libcFlorian Weimer2021-05-1761-29/+80
| | | | | | | | 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>
* nptl: Move pthread_setname_np into libcFlorian Weimer2021-05-1761-29/+83
| | | | | | | | | 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>
* nptl: Move pthread_setaffinity_np into libcFlorian Weimer2021-05-1761-45/+99
| | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Move pthread_getname_np into libcFlorian Weimer2021-05-1761-29/+64
| | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Move pthread_getcpuclockid into libcFlorian Weimer2021-05-1761-29/+70
| | | | | | | | | | | | | 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>
* nptl: Replace pthread_getcpuclockid with Linux implementationFlorian Weimer2021-05-171-42/+0
| | | | Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Move pthread_getattr_default_np into libcFlorian Weimer2021-05-1761-29/+86
| | | | | | | | | | | The symbol was moved using scripts/move-symbol-to-libc.py. A new placeholder symbol __libpthread_version_placeholder@GLIBC_2.18 is needed to keep the GLIBC_2.18 symbol version in libpthread. The __pthread_getattr_default_np@@GLIBC_PRIVATE export is used from pthread_create. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* powerpc: Remove _dl_var_initFlorian Weimer2021-05-174-122/+10
| | | | | | | | | The generic __rtld_static_init code handles GLRO (dl_pagesize), GLRO (dl_auxv), GLRO (dl_hwcap), GLRO (dl_hwcap2). GLRO (dl_cache_line_size) is handled in an __rtld_static_init_arch override. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* mips: Remove _dl_var_initFlorian Weimer2021-05-174-100/+0
| | | | | | The generic __rtld_static_init code handles GLRO (dl_pagesize). Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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