Commit Graph

2665 Commits

Author SHA1 Message Date
Adhemerval Zanella
e874d3d189 linux: Move ftrylockfile/_IO_ftrylockfile into libc
The nptl version is used as default, since now with symbol always
present the single-thread optimization is tricky.

Hurd is not change, it is used it own lock scheme (which call
 _cthreads_ftrylockfile).

Checked on x86_64-linux-gnu.
2021-05-10 23:35:44 -03:00
Adhemerval Zanella
7b4e7ca9db linux: Move flockfile/_IO_flockfile into libc
The nptl version is used as default, since now with symbol always
present the single-thread optimization is tricky.

Hurd is not change, it is used it own lock scheme (which call
_cthreads_flockfile).

Checked on x86_64-linux-gnu.
2021-05-10 23:35:44 -03:00
Florian Weimer
732139dabe Linux: Move __reclaim_stacks into the fork implementation in libc
As a result, __libc_pthread_init is no longer needed.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2021-05-10 10:31:42 +02:00
Florian Weimer
8c1c0da3a8 nptl: Move __default_pthread_attr, __default_pthread_attr_lock into libc
The GLIBC_PRIVATE exports for these symbols are expected to be
temporary.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2021-05-10 10:31:42 +02:00
Florian Weimer
652c7c6fe7 nptl: Simplify resetting the in-flight stack in __reclaim_stacks
stack_list_del overwrites the in-flight stack variable.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2021-05-10 10:31:41 +02:00
Florian Weimer
2dd87703d4 nptl: Move changing of stack permissions into ld.so
All the stack lists are now in _rtld_global, so it is possible
to change stack permissions directly from there, instead of
calling into libpthread to do the change.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2021-05-10 10:31:41 +02:00
Florian Weimer
ee07b3a722 nptl: Simplify the change_stack_perm calling convention
Only ia64 needs the page mask, and it is straightforward
to compute the value within the function itself.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2021-05-10 10:31:41 +02:00
Florian Weimer
9d124d81f0 nptl: Move more stack management variables into _rtld_global
Permissions of the cached stacks may have to be updated if an object
is loaded that requires executable stacks, so the dynamic loader
needs to know about these cached stacks.

The move of in_flight_stack and stack_cache_actsize is a requirement for
merging __reclaim_stacks into the fork implementation in libc.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2021-05-10 10:31:41 +02:00
Florian Weimer
0df5d8d404 nptl: Eliminate __pthread_multiple_threads
It is no longer needed after the SINGLE_THREADED_P consolidation.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2021-05-10 10:31:41 +02:00
Florian Weimer
321789f61a nptl: Export __libc_multiple_threads from libc as an internal symbol
This allows the elimination of the __libc_multiple_threads_ptr
variable in libpthread and its initialization procedure.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2021-05-10 10:31:41 +02:00
Florian Weimer
d6163dfd38 elf, nptl: Resolve recursive lock implementation early
If libpthread is included in libc, it is not necessary to delay
initialization of the lock/unlock function pointers until libpthread
is loaded.  This eliminates two unprotected function pointers
from _rtld_global and removes some initialization code from
libpthread.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2021-05-10 10:31:41 +02:00
Florian Weimer
3f0808ef4c nptl: Move pthread_barrierattr_setpshared into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-06 15:56:37 +02:00
Florian Weimer
39e74af22e nptl: Move pthread_barrierattr_getpshared into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-06 15:56:37 +02:00
Florian Weimer
e731212bc3 nptl: Move pthread_barrierattr_init into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-06 15:56:37 +02:00
Florian Weimer
bbacf0f56c nptl: Move pthread_barrierattr_destroy into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-06 15:56:37 +02:00
Florian Weimer
b9aec0dd9f nptl: Move pthread_barrier_wait into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-06 15:56:37 +02:00
Florian Weimer
f1af331c4e nptl: Move pthread_barrier_init into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-06 15:56:37 +02:00
Florian Weimer
43b3746aff nptl: Move pthread_barrier_destroy into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-06 15:56:37 +02:00
Florian Weimer
5633541d3b nptl: Move sem_trywait, sem_wait into libc
The symbols were moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:53 +02:00
Florian Weimer
990c8ffd3a nptl: Move sem_unlink into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

A small adjust to the sem_unlink implementation is necessary to avoid
a check-localplt failure.

A placeholder symbol to keep the GLIBC_2.1.1 version alive in
libpthread is added with this commit.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:50 +02:00
Florian Weimer
018c75dcb1 nptl: Move sem_timedwait into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:48 +02:00
Florian Weimer
793042c63c nptl: Move sem_post into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:47 +02:00
Florian Weimer
1ae60ae74f nptl: Move sem_init into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:45 +02:00
Florian Weimer
61878689c2 nptl: Move sem_getvalue into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:43 +02:00
Florian Weimer
4b729cca87 nptl: Move sem_destroy into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:40 +02:00
Florian Weimer
0b7d48d106 nptl: Move sem_close, sem_open into libc
The symbols were moved using move-symbol-to-libc.py.

Both functions are moved at the same time because they depend
on internal functions in sysdeps/pthread/sem_routines.c, which
are moved in this commit as well.  Additional hidden prototypes
are required to avoid check-localplt failures.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:38 +02:00
Florian Weimer
19cc20ef2e nptl: Move sem_clockwait into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

A new placeholder version is added at version GLIBC_2.30, to
preserve that version in libpthread.so.0.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:35 +02:00
Florian Weimer
ce0b7961ae nptl: Consolidate async cancel enable/disable implementation in libc
Previously, the source file nptl/cancellation.c was compiled multiple
times, for libc, libpthread, librt.  This commit switches to a single
implementation, with new __pthread_enable_asynccancel@@GLIBC_PRIVATE,
__pthread_disable_asynccancel@@GLIBC_PRIVATE exports.

The almost-unused CANCEL_ASYNC and CANCEL_RESET macros are replaced
by LIBC_CANCEL_ASYNC and LIBC_CANCEL_ASYNC macros.  They call the
__pthread_* functions unconditionally now.  The macros are still
needed because shared code uses them; Hurd has different definitions.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:32 +02:00
Florian Weimer
0197c1bc60 nptl: Move pthread_testcancel into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

A temporary __pthread_testcancel@@GLIBC_PRIVATE export is created
because it is needed by the semaphore implementation.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
2021-05-05 17:19:20 +02:00
Florian Weimer
7cbf1c8416 elf, nptl: Initialize static TLS directly in ld.so
The stack list is available in ld.so since commit
1daccf403b ("nptl: Move stack list
variables into _rtld_global"), so it's possible to walk the stack
list directly in ld.so and perform the initialization there.

This eliminates an unprotected function pointer from _rtld_global
and reduces the libpthread initialization code.
2021-05-05 06:20:31 +02:00
Florian Weimer
dde76856ba nptl: Re-sort Versions file
Due to an incorrect conflict resolution, libc/GLIBC_2.2 section was no
longer sorted lexicographically.
2021-05-03 14:12:55 +02:00
Florian Weimer
c2fd60a586 nptl: Move pthread_yield into libc, as a compatibility symbol
And deprecate it in <pthread.h>, redirecting it to sched_yield
for the time being.

The symbol was moved using scripts/move-symbol-to-libc.py.

No GLIBC_2.34 symbol version is added because of the compatibility
symbol status.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:23:44 +02:00
Florian Weimer
0505ae4e3b nptl: Move pthread_rwlockattr_setpshared into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:18:45 +02:00
Florian Weimer
b444409479 nptl: Move pthread_rwlockattr_setkind_np into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:18:42 +02:00
Florian Weimer
dbfa12e201 nptl: Move pthread_rwlockattr_init into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:18:38 +02:00
Florian Weimer
0af0ccc2d5 nptl: Move pthread_rwlockattr_getpshared into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:18:35 +02:00
Florian Weimer
9f13a95b6f nptl: Move pthread_rwlockattr_getkind_np into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:18:31 +02:00
Florian Weimer
a8841e00d6 nptl: Move pthread_rwlockattr_destroy into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:18:25 +02:00
Florian Weimer
e8a9597159 nptl: Move pthread_rwlock_trywrlock into libc
And __pthread_rwlock_trywrlock as a compatibility symbol.

Remove the unused __libc_rwlock_trywrlock macro.

The symbols were moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:18:20 +02:00
Florian Weimer
c96dddd731 nptl: Move pthread_rwlock_tryrdlock into libc
And __pthread_rwlock_tryrdlock as a compatibility symbol.

Remove the unused __libc_rwlock_tryrdlock macro.

The symbols were moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:18:16 +02:00
Florian Weimer
e7d2d48e56 nptl: Move pthread_rwlock_timedwrlock into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:18:12 +02:00
Florian Weimer
2392feb171 nptl: Move pthread_rwlock_timedrdlock into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:18:04 +02:00
Florian Weimer
63627246f3 nptl: Move pthread_rwlock_init into libc
And __pthread_rwlock_init as a compatibility symbol.

__libc_rwlock_init is changed to call __pthread_rwlock_init directly.

The symbols were moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:17:59 +02:00
Florian Weimer
504ac633b0 nptl: Move pthread_rwlock_destroy into libc
And __pthread_rwlock_destroy as a compatibility symbol.

rwlocks do not need finalization, so change __libc_rwlock_fini to do
nothing.

The symbols were moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:17:36 +02:00
Florian Weimer
2cf5b43bcb nptl: Move pthread_rwlock_clockwrlock into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:17:27 +02:00
Florian Weimer
0ace9b197c nptl: Move pthread_rwlock_clockrdlock into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 09:16:49 +02:00
Florian Weimer
2c5c5c87c9 nptl: Move tss_set into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

__pthread_setspecific@@GLIBC_2.34 is no longer needed after the move,
so it is removed with this commit, too.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 08:18:08 +02:00
Florian Weimer
a062ba3836 nptl: Move tss_get into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

__pthread_getspecific@@GLIBC_2.34 is no longer needed after the move,
so it is removed with this commit, too.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 08:18:01 +02:00
Florian Weimer
deb317d510 nptl: Move tss_delete into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

__pthread_key_delete@@GLIBC_PRIVATE is no longer needed after that,
so it is removed as well.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 08:17:38 +02:00
Florian Weimer
e4036b1ce9 nptl: Move tss_create into libc
The symbol was moved using scripts/move-symbol-to-libc.py.

__pthread_key_create@@GLIBC_2.34 is no longer needed by glibc
itself with this change, but __pthread_key_create is used by
libstdc++, so it still has to be exported as a public symbol.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-05-03 08:17:29 +02:00