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[Bug nptl/14569] libpthread.a isn't linked in properly


https://sourceware.org/bugzilla/show_bug.cgi?id=14569

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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The branch, hjl/pthread/2.21 has been created
        at  8de7f5109fb22e8b53a52fe2fb6b50ff6deaba03 (commit)

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8de7f5109fb22e8b53a52fe2fb6b50ff6deaba03

commit 8de7f5109fb22e8b53a52fe2fb6b50ff6deaba03
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Sep 13 06:01:04 2012 -0700

    Use STB_SECONDARY on pthread functions in libc

    Use STB_SECONDARY binding on pthread functions in libc so that they will
    be preempted by definitions in libpthread at link-time as well as at
    run-time.

        * csu/libc-tls.c (__pthread_initialize_minimal): Mark it
        secondary if HAVE_ASM_SECONDARY_DIRECTIVE is defined.
        * nptl/Makefile: Include ../Makeconfig.
        (libc-libpthread-routines): New macro.
        (libc-libpthread-static-only-routines): Likewise.
        (static-only-routines): Add $(libc-libpthread-static-only-routines)
        if $(have-secondary) is yes.
        (routines): Add $(libc-libpthread-routines) if $(have-secondary)
        is yes.
        (CFLAGS-libc-unwind.c): New.
        * nptl/Versions [HAVE_ASM_SECONDARY_DIRECTIVE] (libc:GLIBC_2.0):
        Add _pthread_cleanup_pop_restore, _pthread_cleanup_push_defer,
        __pthread_getspecific, __pthread_setspecific,
        __pthread_key_create, pthread_once, __pthread_once,
        __pthread_mutex_lock and __pthread_mutex_unlock.
        [HAVE_ASM_SECONDARY_DIRECTIVE] (libc:GLIBC_2.2): Add
        __pthread_rwlock_init, __pthread_rwlock_destroy,
        __pthread_rwlock_rdlock, __pthread_rwlock_wrlock and
        __pthread_rwlock_unlock.
        [HAVE_ASM_SECONDARY_DIRECTIVE] (libc:GLIBC_PRIVATE): Add
        __pthread_unwind and __pthread_setcancelstate.
        [HAVE_ASM_SECONDARY_DIRECTIVE] (libpthread:GLIBC_PRIVATE): Add
        __pthread_setcancelstate.
        * nptl/forward.c (pthread_attr_destroy): Don't define if
        HAVE_ASM_SECONDARY_DIRECTIVE is defined.
        (__pthread_attr_init_2_0): Likewise.
        (__pthread_attr_init_2_1): Likewise.
        (pthread_attr_getdetachstate): Likewise.
        (pthread_attr_setdetachstate): Likewise.
        (pthread_attr_getinheritsched): Likewise.
        (pthread_attr_setinheritsched): Likewise.
        (pthread_attr_getschedparam): Likewise.
        (pthread_attr_setschedparam): Likewise.
        (pthread_attr_getschedpolicy): Likewise.
        (pthread_attr_setschedpolicy): Likewise.
        (pthread_attr_getscope): Likewise.
        (pthread_attr_setscope): Likewise.
        (pthread_condattr_destroy): Likewise.
        (pthread_condattr_init): Likewise.
        (__pthread_cond_broadcast_2_0): Likewise.
        (__pthread_cond_broadcast): Likewise.
        (__pthread_cond_destroy_2_0): Likewise.
        (__pthread_cond_destroy): Likewise.
        (__pthread_cond_init_2_0): Likewise.
        (__pthread_cond_init): Likewise.
        (__pthread_cond_signal_2_0): Likewise.
        (__pthread_cond_signal): Likewise.
        (__pthread_cond_wait_2_0): Likewise.
        (__pthread_cond_wait): Likewise.
        (__pthread_cond_timedwait_2_0): Likewise.
        (__pthread_cond_timedwait): Likewise.
        (pthread_equal): Likewise.
        (__pthread_exit): Likewise.
        (pthread_getschedparam): Likewise.
        (pthread_setschedparam): Likewise.
        (pthread_mutex_destroy): Likewise.
        (pthread_mutex_init): Likewise.
        (pthread_mutex_lock): Likewise.
        (pthread_mutex_unlock): Likewise.
        (pthread_self): Likewise.
        (pthread_setcancelstate): Likewise.
        (pthread_setcanceltype): Likewise.
        (__pthread_unwind): Likewise.
        * nptl/libc-cleanup_defer_compat.c: New file.
        * nptl/libc-pthread_attr_destroy.c: Likewise.
        * nptl/libc-pthread_attr_getdetachstate.c: Likewise.
        * nptl/libc-pthread_attr_getinheritsched.c: Likewise.
        * nptl/libc-pthread_attr_getschedparam.c: Likewise.
        * nptl/libc-pthread_attr_getschedpolicy.c: Likewise.
        * nptl/libc-pthread_attr_getscope.c: Likewise.
        * nptl/libc-pthread_attr_init.c: Likewise.
        * nptl/libc-pthread_attr_setdetachstate.c: Likewise.
        * nptl/libc-pthread_attr_setinheritsched.c: Likewise.
        * nptl/libc-pthread_attr_setschedparam.c: Likewise.
        * nptl/libc-pthread_attr_setschedpolicy.c: Likewise.
        * nptl/libc-pthread_attr_setscope.c: Likewise.
        * nptl/libc-pthread_cond_broadcast.c: Likewise.
        * nptl/libc-pthread_cond_destroy.c: Likewise.
        * nptl/libc-pthread_cond_init.c: Likewise.
        * nptl/libc-pthread_cond_signal.c: Likewise.
        * nptl/libc-pthread_cond_timedwait.c: Likewise.
        * nptl/libc-pthread_cond_wait.c: Likewise.
        * nptl/libc-pthread_condattr_destroy.c: Likewise.
        * nptl/libc-pthread_condattr_init.c: Likewise.
        * nptl/libc-pthread_equal.c: Likewise.
        * nptl/libc-pthread_exit.c: Likewise.
        * nptl/libc-pthread_getschedparam.c: Likewise.
        * nptl/libc-pthread_getspecific.c: Likewise.
        * nptl/libc-pthread_key_create.c: Likewise.
        * nptl/libc-pthread_mutex_destroy.c: Likewise.
        * nptl/libc-pthread_mutex_init.c: Likewise.
        * nptl/libc-pthread_mutex_lock.c: Likewise.
        * nptl/libc-pthread_mutex_unlock.c: Likewise.
        * nptl/libc-pthread_once.c: Likewise.
        * nptl/libc-pthread_rwlock_destroy.c: Likewise.
        * nptl/libc-pthread_rwlock_init.c: Likewise.
        * nptl/libc-pthread_rwlock_rdlock.c: Likewise.
        * nptl/libc-pthread_rwlock_unlock.c: Likewise.
        * nptl/libc-pthread_self.c: Likewise.
        * nptl/libc-pthread_setcancelstate.c: Likewise.
        * nptl/libc-pthread_setcanceltype.c: Likewise.
        * nptl/libc-pthread_setschedparam.c: Likewise.
        * nptl/libc-pthread_setspecific.c: Likewise.
        * nptl/libc-unwind.c: Likewise.
        * nptl-init.c (pthread_functions): Don't include secondary
        pthread functions in libc if HAVE_ASM_SECONDARY_DIRECTIVE is
        defined.
        * sysdeps/nptl/pthread-functions.h (pthread_functions): Likewise.
        * nptl/pthreadP.h (__pthread_unwind): Don't mark it weak if
        HAVE_ASM_SECONDARY_DIRECTIVE is defined.
        (__pthread_cond_broadcast_2_0): Declare only if not in libc.
        (__pthread_cond_destroy_2_0): Likewise.
        (__pthread_cond_init_2_0): Likewise.
        (__pthread_cond_signal_2_0): Likewise.
        (__pthread_cond_timedwait_2_0): Likewise.
        (__pthread_cond_wait_2_0): Likewise.
        * scripts/abilist.awk: Support secondary symbols.
        * sysdeps/generic/localplt.data: Allow pthread functions.
        * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
        * sysdeps/unix/sysv/linux/i386/localplt.data: Likewise.
        * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
        * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
        * sysdeps/nptl/bits/libc-lockP.h (PTFAVAIL): Defined as 1 if
        HAVE_ASM_SECONDARY_DIRECTIVE is defined.
        (__libc_maybe_call): Always call FUNC if
        HAVE_ASM_SECONDARY_DIRECTIVE is defined.
        (__libc_ptf_call): Likewise.
        (__libc_ptf_call_always): Likewise.
        (__pthread_mutex_init): Don't mark it weak if
        HAVE_ASM_SECONDARY_DIRECTIVE is defined.
        (__pthread_mutex_destroy): Likewise.
        (__pthread_mutex_lock): Likewise.
        (__pthread_mutex_trylock): Likewise.
        (__pthread_mutex_unlock): Likewise.
        (__pthread_mutexattr_init): Likewise.
        (__pthread_mutexattr_destroy): Likewise.
        (__pthread_mutexattr_settype): Likewise.
        (__pthread_rwlock_destroy): Likewise.
        (__pthread_rwlock_rdlock): Likewise.
        (__pthread_rwlock_tryrdlock): Likewise.
        (__pthread_rwlock_wrlock): Likewise.
        (__pthread_rwlock_trywrlock): Likewise.
        (__pthread_rwlock_unlock): Likewise.
        (__pthread_key_create): Likewise.
        (__pthread_setspecific): Likewise.
        (__pthread_getspecific): Likewise.
        (__pthread_once): Likewise.
        (__pthread_initialize): Likewise.
        (__pthread_atfork): Likewise.
        (_pthread_cleanup_push_defer): Likewise.
        (_pthread_cleanup_pop_restore): Likewise.
        (pthread_setcancelstate): Likewise.
        * sysdeps/unix/sysv/linux/x86_64/cancellation.S (__pthread_unwind):
        Likewise.
        * sysdeps/unix/sysv/linux/fatal-prepare.h (FATAL_PREPARE): Always
        call __pthread_setcancelstate if HAVE_ASM_SECONDARY_DIRECTIVE is
        defined.
        * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Make
        __lll_lock_wait_private and __lll_unlock_wake_private weak in
        libc.a.
        * sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e5daf5a6ed7e88493ab4c79d8dc444451a7083b7

commit e5daf5a6ed7e88493ab4c79d8dc444451a7083b7
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Sep 11 05:10:03 2012 -0700

    Place libpthread.a right before libc.a

    GCC driver places -lpthread in --start-group -lgcc -lgcc_eh -lpthread
    -lc --end-group.  Glibc tests should do the same.

        [BZ #14569]
        * Makeconfig (+link-static-before-libc): Also filter out
        $(common-objpfx)nptl/libpthread%.  Remove $(link-libc-static).
        (link-libc-static-tests): Place libpthread.a before libc.a.
        * nptl/Makefile (tests-static): Add tst-cancelx7-static,
        tst-raise1-static and tst-cancel7-static.
        (tests): Likewise.
        * nptl/tst-cancel7-static.c: New file.
        * nptl/tst-cancelx7-static.c: Likewise.
        * nptl/tst-raise1-static.c: Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d8f0433371731d83a754ad173215e6a38d712424

commit d8f0433371731d83a754ad173215e6a38d712424
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Sep 11 06:27:40 2015 -0700

    Make pthread_rwlock_destroy/pthread_rwlock_init/weak

        * pthread_rwlock_destroy.c (pthread_rwlock_destroy): Replace
        strong_alias with weak_alias.
        * pthread_rwlock_init.c (pthread_rwlock_init): Likewise.

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=af345c230d3f2d2b810cfec292188e26c3da5a48

commit af345c230d3f2d2b810cfec292188e26c3da5a48
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Sep 10 13:41:43 2015 -0700

    Add STB_SECONDARY support to conform/linknamespace.pl

        * conform/linknamespace.pl (list_syms): Support STB_SECONDARY.

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