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| -rw-r--r-- | docs/pthreads_hacking.txt | 748 |
1 files changed, 748 insertions, 0 deletions
diff --git a/docs/pthreads_hacking.txt b/docs/pthreads_hacking.txt new file mode 100644 index 000000000..6c23257d4 --- /dev/null +++ b/docs/pthreads_hacking.txt @@ -0,0 +1,748 @@ +# Run me as a shell script in uclibc lib/* + + +# Dump the list of dynamic symbols from libpthread +# and compare libpthread's exported symbols of uclibc with glibc +# (adjust /lib64/libpthread-*.*.so as needed). +# The resulting diff is suspiciously large. +# We export a lot of stuff which glibc does not. + +readelf -sDW libpthread-*.*.so \ +| grep '^ *[0-9]' \ +| sed 's/^[0-9a-f: ]*[^ ]\( *[A-Z]\)/\1/' \ +| sed 's/ [0-9] / N /' | sed 's/ [0-9][0-9] / N /' | sed 's/ [0-9][0-9][0-9] / N /' \ +| sort -k5 | uniq \ +>uclibc.lst + +readelf -sDW /lib64/libpthread-*.*.so \ +| grep '^ *[0-9]' \ +| sed 's/^[0-9a-f: ]*[^ ]\( *[A-Z]\)/\1/' \ +| sed 's/ [0-9] / N /' | sed 's/ [0-9][0-9] / N /' | sed 's/ [0-9][0-9][0-9] / N /' \ +| sort -k5 | uniq \ +>glibc.lst +diff -u uclibc.lst glibc.lst >ug.diff + + +# Check which exported symbols from libpthread are never referenced +# from other libraries. Generally, I'd expect a very few __functions +# with two underscores to be exported and not used by e.g. libc-X.X.X.so, +# as these names are supposed to be internal, i.e. external programs +# usually don't call them. On my system, I got 141 such __functions. +# Examples: +# __flockfilelist - NOP function (why do we need it at all?) +# __pthread_perform_cleanup - called only from within libpthread + +echo *-*.*.*.so | xargs -n1 | grep -v libpthread | xargs readelf -aW >full_dump.lst +>uclibc_unrefd.lst +>uclibc_refd.lst +sed 's/^.* //g' uclibc.lst \ +| while read symbol; do + if grep -F -- "$symbol" full_dump.lst >/dev/null 2>&1; then + echo "$symbol" >>uclibc_refd.lst + else + echo "$symbol" >>uclibc_unrefd.lst + fi +done + +exit + + +In case you don't have a glibc system to try it, +ug.diff from vda's system is below. + +--- uclibc.lst 2009-03-16 03:07:58.000000000 +0100 ++++ glibc.lst 2009-03-16 03:07:58.000000000 +0100 +@@ -1,188 +1,173 @@ +- NOTYPE GLOBAL DEFAULT ABS __bss_start +- FUNC GLOBAL DEFAULT N __compare_and_swap ++ OBJECT GLOBAL DEFAULT ABS GLIBC_2.2.5 ++ OBJECT GLOBAL DEFAULT ABS GLIBC_2.2.6 ++ OBJECT GLOBAL DEFAULT ABS GLIBC_2.3.2 ++ OBJECT GLOBAL DEFAULT ABS GLIBC_2.3.3 ++ OBJECT GLOBAL DEFAULT ABS GLIBC_2.3.4 ++ OBJECT GLOBAL DEFAULT ABS GLIBC_2.4 ++ OBJECT GLOBAL DEFAULT ABS GLIBC_PRIVATE ++ FUNC GLOBAL DEFAULT N _IO_flockfile ++ FUNC GLOBAL DEFAULT N _IO_ftrylockfile ++ FUNC GLOBAL DEFAULT N _IO_funlockfile ++ NOTYPE WEAK DEFAULT UND _Jv_RegisterClasses ++ FUNC GLOBAL DEFAULT UND __clone ++ FUNC WEAK DEFAULT N __close ++ FUNC WEAK DEFAULT N __connect ++ FUNC WEAK DEFAULT UND __cxa_finalize ++ FUNC GLOBAL DEFAULT UND __endmntent + FUNC GLOBAL DEFAULT N __errno_location +- FUNC GLOBAL DEFAULT N __flockfilelist +- FUNC GLOBAL DEFAULT N __fresetlockfiles +- FUNC GLOBAL DEFAULT N __funlockfilelist ++ FUNC WEAK DEFAULT N __fcntl ++ FUNC GLOBAL DEFAULT N __fork ++ FUNC GLOBAL DEFAULT UND __fxstat64 ++ FUNC GLOBAL DEFAULT UND __getdelim ++ FUNC GLOBAL DEFAULT UND __getmntent_r ++ FUNC GLOBAL DEFAULT UND __getpagesize ++ FUNC GLOBAL DEFAULT UND __gettimeofday + FUNC GLOBAL DEFAULT N __h_errno_location +- FUNC GLOBAL DEFAULT N __linuxthreads_create_event +- FUNC GLOBAL DEFAULT N __linuxthreads_death_event +- OBJECT GLOBAL DEFAULT N __linuxthreads_initial_report_events +- OBJECT GLOBAL DEFAULT N __linuxthreads_pthread_key_2ndlevel_size +- OBJECT GLOBAL DEFAULT N __linuxthreads_pthread_keys_max +- OBJECT GLOBAL DEFAULT N __linuxthreads_pthread_sizeof_descr +- OBJECT GLOBAL DEFAULT N __linuxthreads_pthread_threads_max +- FUNC GLOBAL DEFAULT N __linuxthreads_reap_event +- OBJECT GLOBAL DEFAULT N __linuxthreads_version +- FUNC GLOBAL DEFAULT N __pthread_alt_lock +- FUNC GLOBAL DEFAULT N __pthread_alt_timedlock +- FUNC GLOBAL DEFAULT N __pthread_alt_unlock +- FUNC GLOBAL DEFAULT N __pthread_attr_destroy +- FUNC GLOBAL DEFAULT N __pthread_attr_getdetachstate +- FUNC GLOBAL DEFAULT N __pthread_attr_getguardsize +- FUNC GLOBAL DEFAULT N __pthread_attr_getinheritsched +- FUNC GLOBAL DEFAULT N __pthread_attr_getschedparam +- FUNC GLOBAL DEFAULT N __pthread_attr_getschedpolicy +- FUNC GLOBAL DEFAULT N __pthread_attr_getscope +- FUNC GLOBAL DEFAULT N __pthread_attr_getstack +- FUNC GLOBAL DEFAULT N __pthread_attr_getstacksize +- FUNC GLOBAL DEFAULT N __pthread_attr_init +- FUNC GLOBAL DEFAULT N __pthread_attr_setdetachstate +- FUNC GLOBAL DEFAULT N __pthread_attr_setguardsize +- FUNC GLOBAL DEFAULT N __pthread_attr_setinheritsched +- FUNC GLOBAL DEFAULT N __pthread_attr_setschedparam +- FUNC GLOBAL DEFAULT N __pthread_attr_setschedpolicy +- FUNC GLOBAL DEFAULT N __pthread_attr_setscope +- FUNC GLOBAL DEFAULT N __pthread_attr_setstack +- FUNC GLOBAL DEFAULT N __pthread_attr_setstacksize +- FUNC GLOBAL DEFAULT N __pthread_barrierattr_getpshared +- FUNC GLOBAL DEFAULT N __pthread_compare_and_swap +- FUNC GLOBAL DEFAULT N __pthread_cond_broadcast +- FUNC GLOBAL DEFAULT N __pthread_cond_destroy +- FUNC GLOBAL DEFAULT N __pthread_cond_init +- FUNC GLOBAL DEFAULT N __pthread_cond_signal +- FUNC GLOBAL DEFAULT N __pthread_cond_timedwait +- FUNC GLOBAL DEFAULT N __pthread_cond_wait +- FUNC GLOBAL DEFAULT N __pthread_condattr_destroy +- FUNC GLOBAL DEFAULT N __pthread_condattr_init +- FUNC GLOBAL DEFAULT N __pthread_create +- FUNC GLOBAL DEFAULT N __pthread_destroy_specifics +- FUNC GLOBAL DEFAULT N __pthread_do_exit +- FUNC GLOBAL DEFAULT N __pthread_equal +- FUNC GLOBAL DEFAULT N __pthread_exit +- OBJECT GLOBAL DEFAULT N __pthread_exit_code +- OBJECT GLOBAL DEFAULT N __pthread_exit_requested +- FUNC GLOBAL DEFAULT N __pthread_find_self +- OBJECT GLOBAL DEFAULT N __pthread_functions +- FUNC GLOBAL DEFAULT N __pthread_getconcurrency +- FUNC GLOBAL DEFAULT N __pthread_getschedparam +- FUNC WEAK DEFAULT N __pthread_getspecific +- OBJECT GLOBAL DEFAULT N __pthread_handles +- OBJECT GLOBAL DEFAULT N __pthread_handles_num +- OBJECT GLOBAL DEFAULT N __pthread_has_cas +- FUNC GLOBAL DEFAULT N __pthread_init_max_stacksize +- OBJECT GLOBAL DEFAULT N __pthread_initial_thread +- OBJECT GLOBAL DEFAULT N __pthread_initial_thread_bos +- FUNC GLOBAL DEFAULT N __pthread_initialize +- FUNC GLOBAL DEFAULT N __pthread_initialize_manager ++ FUNC GLOBAL DEFAULT N __libc_allocate_rtsig ++ FUNC GLOBAL DEFAULT UND __libc_allocate_rtsig_private ++ FUNC GLOBAL DEFAULT N __libc_current_sigrtmax ++ FUNC GLOBAL DEFAULT UND __libc_current_sigrtmax_private ++ FUNC GLOBAL DEFAULT N __libc_current_sigrtmin ++ FUNC GLOBAL DEFAULT UND __libc_current_sigrtmin_private ++ FUNC GLOBAL DEFAULT UND __libc_dl_error_tsd ++ FUNC GLOBAL DEFAULT UND __libc_dlopen_mode ++ FUNC GLOBAL DEFAULT UND __libc_dlsym ++ FUNC GLOBAL DEFAULT UND __libc_fatal ++ FUNC GLOBAL DEFAULT UND __libc_fork ++ FUNC GLOBAL DEFAULT UND __libc_longjmp ++ FUNC GLOBAL DEFAULT UND __libc_pthread_init ++ OBJECT GLOBAL DEFAULT UND __libc_stack_end ++ FUNC GLOBAL DEFAULT UND __libc_system ++ FUNC GLOBAL DEFAULT UND __libc_thread_freeres ++ FUNC WEAK DEFAULT N __lseek ++ FUNC WEAK DEFAULT N __nanosleep ++ FUNC WEAK DEFAULT N __open ++ FUNC WEAK DEFAULT N __open64 ++ FUNC WEAK DEFAULT N __pread64 ++ FUNC GLOBAL DEFAULT N __pthread_cleanup_routine ++ FUNC GLOBAL DEFAULT N __pthread_clock_gettime ++ FUNC GLOBAL DEFAULT N __pthread_clock_settime ++ FUNC GLOBAL DEFAULT N __pthread_getspecific + FUNC GLOBAL DEFAULT N __pthread_initialize_minimal +- FUNC GLOBAL DEFAULT N __pthread_internal_tsd_address +- FUNC GLOBAL DEFAULT N __pthread_internal_tsd_get +- FUNC GLOBAL DEFAULT N __pthread_internal_tsd_set +- FUNC WEAK DEFAULT N __pthread_key_create +- FUNC GLOBAL DEFAULT N __pthread_kill_other_threads_np +- OBJECT GLOBAL DEFAULT N __pthread_last_event +- FUNC GLOBAL DEFAULT N __pthread_lock +- OBJECT GLOBAL DEFAULT N __pthread_main_thread +- FUNC GLOBAL DEFAULT N __pthread_manager +- FUNC GLOBAL DEFAULT N __pthread_manager_adjust_prio +- FUNC GLOBAL DEFAULT N __pthread_manager_event +- OBJECT GLOBAL DEFAULT N __pthread_manager_reader +- OBJECT GLOBAL DEFAULT N __pthread_manager_request +- FUNC GLOBAL DEFAULT N __pthread_manager_sighandler +- OBJECT GLOBAL DEFAULT N __pthread_manager_thread +- OBJECT GLOBAL DEFAULT N __pthread_manager_thread_bos +- OBJECT GLOBAL DEFAULT N __pthread_manager_thread_tos +- OBJECT GLOBAL DEFAULT N __pthread_max_stacksize +- FUNC WEAK DEFAULT N __pthread_mutex_destroy +- FUNC WEAK DEFAULT N __pthread_mutex_init +- FUNC WEAK DEFAULT N __pthread_mutex_lock +- FUNC GLOBAL DEFAULT N __pthread_mutex_timedlock +- FUNC WEAK DEFAULT N __pthread_mutex_trylock +- FUNC WEAK DEFAULT N __pthread_mutex_unlock +- FUNC WEAK DEFAULT N __pthread_mutexattr_destroy +- FUNC GLOBAL DEFAULT N __pthread_mutexattr_getkind_np +- FUNC GLOBAL DEFAULT N __pthread_mutexattr_getpshared +- FUNC GLOBAL DEFAULT N __pthread_mutexattr_gettype +- FUNC WEAK DEFAULT N __pthread_mutexattr_init +- FUNC GLOBAL DEFAULT N __pthread_mutexattr_setkind_np +- FUNC GLOBAL DEFAULT N __pthread_mutexattr_setpshared +- FUNC WEAK DEFAULT N __pthread_mutexattr_settype +- OBJECT GLOBAL DEFAULT N __pthread_nonstandard_stacks +- FUNC GLOBAL DEFAULT N __pthread_null_sighandler +- OBJECT GLOBAL DEFAULT N __pthread_offsetof_descr +- OBJECT GLOBAL DEFAULT N __pthread_offsetof_pid +- FUNC WEAK DEFAULT N __pthread_once +- FUNC GLOBAL DEFAULT N __pthread_once_fork_child +- FUNC GLOBAL DEFAULT N __pthread_once_fork_parent +- FUNC GLOBAL DEFAULT N __pthread_once_fork_prepare +- FUNC GLOBAL DEFAULT N __pthread_perform_cleanup +- FUNC GLOBAL DEFAULT N __pthread_raise +- FUNC GLOBAL DEFAULT N __pthread_reset_main_thread +- FUNC GLOBAL DEFAULT N __pthread_restart_new +- FUNC WEAK DEFAULT N __pthread_rwlock_destroy +- FUNC WEAK DEFAULT N __pthread_rwlock_init +- FUNC WEAK DEFAULT N __pthread_rwlock_rdlock +- FUNC GLOBAL DEFAULT N __pthread_rwlock_timedrdlock +- FUNC GLOBAL DEFAULT N __pthread_rwlock_timedwrlock +- FUNC WEAK DEFAULT N __pthread_rwlock_tryrdlock +- FUNC WEAK DEFAULT N __pthread_rwlock_trywrlock +- FUNC WEAK DEFAULT N __pthread_rwlock_unlock +- FUNC WEAK DEFAULT N __pthread_rwlock_wrlock +- FUNC GLOBAL DEFAULT N __pthread_rwlockattr_destroy +- FUNC GLOBAL DEFAULT N __pthread_self +- FUNC GLOBAL DEFAULT N __pthread_setcancelstate +- FUNC GLOBAL DEFAULT N __pthread_setcanceltype +- FUNC GLOBAL DEFAULT N __pthread_setconcurrency +- FUNC GLOBAL DEFAULT N __pthread_setschedparam +- FUNC WEAK DEFAULT N __pthread_setspecific +- OBJECT GLOBAL DEFAULT N __pthread_sig_cancel +- OBJECT GLOBAL DEFAULT N __pthread_sig_debug +- OBJECT GLOBAL DEFAULT N __pthread_sig_restart +- FUNC GLOBAL DEFAULT N __pthread_sigaction +- FUNC GLOBAL DEFAULT N __pthread_sighandler +- FUNC GLOBAL DEFAULT N __pthread_sighandler_rt +- FUNC GLOBAL DEFAULT N __pthread_sigwait +- OBJECT GLOBAL DEFAULT N __pthread_sizeof_handle +- OBJECT GLOBAL DEFAULT N __pthread_smp_kernel +- FUNC GLOBAL DEFAULT N __pthread_spin_destroy +- FUNC GLOBAL DEFAULT N __pthread_spin_init +- FUNC GLOBAL DEFAULT N __pthread_spin_lock +- FUNC GLOBAL DEFAULT N __pthread_spin_trylock +- FUNC GLOBAL DEFAULT N __pthread_spin_unlock +- FUNC GLOBAL DEFAULT N __pthread_thread_self +- OBJECT GLOBAL DEFAULT N __pthread_threads_debug +- OBJECT GLOBAL DEFAULT N __pthread_threads_events +- OBJECT GLOBAL DEFAULT N __pthread_threads_max +- FUNC GLOBAL DEFAULT N __pthread_timedsuspend_new +- FUNC GLOBAL DEFAULT N __pthread_unlock +- FUNC GLOBAL DEFAULT N __pthread_wait_for_restart_signal +- FUNC GLOBAL DEFAULT N __register_atfork ++ FUNC GLOBAL DEFAULT N __pthread_key_create ++ FUNC GLOBAL DEFAULT N __pthread_mutex_destroy ++ FUNC GLOBAL DEFAULT N __pthread_mutex_init ++ FUNC GLOBAL DEFAULT N __pthread_mutex_lock ++ FUNC GLOBAL DEFAULT N __pthread_mutex_trylock ++ FUNC GLOBAL DEFAULT N __pthread_mutex_unlock ++ FUNC GLOBAL DEFAULT N __pthread_mutexattr_destroy ++ FUNC GLOBAL DEFAULT N __pthread_mutexattr_init ++ FUNC GLOBAL DEFAULT N __pthread_mutexattr_settype ++ FUNC GLOBAL DEFAULT N __pthread_once ++ FUNC GLOBAL DEFAULT N __pthread_register_cancel ++ FUNC GLOBAL DEFAULT N __pthread_register_cancel_defer ++ FUNC GLOBAL DEFAULT N __pthread_rwlock_destroy ++ FUNC GLOBAL DEFAULT N __pthread_rwlock_init ++ FUNC GLOBAL DEFAULT N __pthread_rwlock_rdlock ++ FUNC GLOBAL DEFAULT N __pthread_rwlock_tryrdlock ++ FUNC GLOBAL DEFAULT N __pthread_rwlock_trywrlock ++ FUNC GLOBAL DEFAULT N __pthread_rwlock_unlock ++ FUNC GLOBAL DEFAULT N __pthread_rwlock_wrlock ++ FUNC GLOBAL DEFAULT N __pthread_setspecific ++ FUNC GLOBAL DEFAULT N __pthread_unregister_cancel ++ FUNC GLOBAL DEFAULT N __pthread_unregister_cancel_restore ++ FUNC GLOBAL DEFAULT N __pthread_unwind ++ FUNC GLOBAL DEFAULT N __pthread_unwind_next ++ FUNC WEAK DEFAULT N __pwrite64 ++ FUNC WEAK DEFAULT N __read ++ FUNC GLOBAL DEFAULT UND __register_atfork ++ FUNC GLOBAL DEFAULT N __res_state ++ TLS GLOBAL DEFAULT UND __resp ++ FUNC GLOBAL DEFAULT UND __sched_getparam ++ FUNC GLOBAL DEFAULT UND __sched_getscheduler ++ FUNC GLOBAL DEFAULT UND __sched_setscheduler ++ FUNC WEAK DEFAULT N __send ++ FUNC GLOBAL DEFAULT UND __setmntent + FUNC GLOBAL DEFAULT N __sigaction +- OBJECT GLOBAL DEFAULT N __sighandler +- NOTYPE GLOBAL DEFAULT ABS _edata +- NOTYPE GLOBAL DEFAULT ABS _end +- FUNC GLOBAL DEFAULT N _fini +- FUNC GLOBAL DEFAULT N _init ++ FUNC GLOBAL DEFAULT UND __statfs ++ FUNC GLOBAL DEFAULT UND __sysconf ++ FUNC GLOBAL DEFAULT UND __tls_get_addr ++ OBJECT GLOBAL DEFAULT UND __vdso_clock_gettime ++ FUNC GLOBAL DEFAULT N __vfork ++ FUNC WEAK DEFAULT N __wait ++ FUNC WEAK DEFAULT N __write ++ FUNC GLOBAL DEFAULT UND _dl_allocate_tls ++ FUNC GLOBAL DEFAULT UND _dl_allocate_tls_init ++ FUNC GLOBAL DEFAULT UND _dl_deallocate_tls ++ FUNC GLOBAL DEFAULT UND _dl_get_tls_static_info ++ FUNC GLOBAL DEFAULT UND _dl_make_stack_executable ++ FUNC GLOBAL DEFAULT UND _exit + FUNC GLOBAL DEFAULT N _pthread_cleanup_pop + FUNC GLOBAL DEFAULT N _pthread_cleanup_pop_restore + FUNC GLOBAL DEFAULT N _pthread_cleanup_push + FUNC GLOBAL DEFAULT N _pthread_cleanup_push_defer +- FUNC GLOBAL DEFAULT N compare_and_swap_is_available +- FUNC GLOBAL DEFAULT N get_eflags ++ OBJECT GLOBAL DEFAULT UND _rtld_global ++ FUNC GLOBAL DEFAULT UND _setjmp ++ FUNC GLOBAL DEFAULT UND abort ++ FUNC WEAK DEFAULT N accept ++ FUNC GLOBAL DEFAULT UND calloc ++ FUNC WEAK DEFAULT N close ++ FUNC WEAK DEFAULT N connect ++ TLS GLOBAL DEFAULT UND errno ++ FUNC GLOBAL DEFAULT UND exit ++ FUNC GLOBAL DEFAULT UND fclose ++ FUNC WEAK DEFAULT N fcntl ++ FUNC WEAK DEFAULT N flockfile ++ FUNC GLOBAL DEFAULT UND fopen ++ FUNC GLOBAL DEFAULT N fork ++ FUNC GLOBAL DEFAULT UND free ++ FUNC WEAK DEFAULT N fsync ++ FUNC WEAK DEFAULT N ftrylockfile ++ FUNC WEAK DEFAULT N funlockfile ++ FUNC GLOBAL DEFAULT UND getrlimit ++ TLS GLOBAL DEFAULT UND h_errno ++ FUNC GLOBAL DEFAULT UND link + FUNC GLOBAL DEFAULT N longjmp ++ FUNC WEAK DEFAULT N lseek ++ FUNC WEAK DEFAULT N lseek64 ++ FUNC GLOBAL DEFAULT UND malloc ++ FUNC GLOBAL DEFAULT UND memcpy ++ FUNC GLOBAL DEFAULT UND mempcpy ++ FUNC GLOBAL DEFAULT UND memset ++ FUNC GLOBAL DEFAULT UND mktemp ++ FUNC GLOBAL DEFAULT UND mmap ++ FUNC GLOBAL DEFAULT UND mprotect ++ FUNC WEAK DEFAULT N msync ++ FUNC GLOBAL DEFAULT UND munmap ++ FUNC WEAK DEFAULT N nanosleep ++ FUNC WEAK DEFAULT N open ++ FUNC WEAK DEFAULT N open64 ++ FUNC WEAK DEFAULT N pause ++ FUNC WEAK DEFAULT N pread ++ FUNC WEAK DEFAULT N pread64 ++ FUNC GLOBAL DEFAULT N pthread_atfork + FUNC GLOBAL DEFAULT N pthread_attr_destroy ++ FUNC GLOBAL DEFAULT N pthread_attr_getaffinity_np + FUNC GLOBAL DEFAULT N pthread_attr_getdetachstate +- FUNC WEAK DEFAULT N pthread_attr_getguardsize ++ FUNC GLOBAL DEFAULT N pthread_attr_getguardsize + FUNC GLOBAL DEFAULT N pthread_attr_getinheritsched + FUNC GLOBAL DEFAULT N pthread_attr_getschedparam + FUNC GLOBAL DEFAULT N pthread_attr_getschedpolicy + FUNC GLOBAL DEFAULT N pthread_attr_getscope +- FUNC WEAK DEFAULT N pthread_attr_getstack +- FUNC WEAK DEFAULT N pthread_attr_getstacksize ++ FUNC GLOBAL DEFAULT N pthread_attr_getstack ++ FUNC GLOBAL DEFAULT N pthread_attr_getstackaddr ++ FUNC GLOBAL DEFAULT N pthread_attr_getstacksize + FUNC GLOBAL DEFAULT N pthread_attr_init ++ FUNC GLOBAL DEFAULT N pthread_attr_setaffinity_np + FUNC GLOBAL DEFAULT N pthread_attr_setdetachstate +- FUNC WEAK DEFAULT N pthread_attr_setguardsize ++ FUNC GLOBAL DEFAULT N pthread_attr_setguardsize + FUNC GLOBAL DEFAULT N pthread_attr_setinheritsched + FUNC GLOBAL DEFAULT N pthread_attr_setschedparam + FUNC GLOBAL DEFAULT N pthread_attr_setschedpolicy + FUNC GLOBAL DEFAULT N pthread_attr_setscope +- FUNC WEAK DEFAULT N pthread_attr_setstack +- FUNC WEAK DEFAULT N pthread_attr_setstacksize ++ FUNC GLOBAL DEFAULT N pthread_attr_setstack ++ FUNC GLOBAL DEFAULT N pthread_attr_setstackaddr ++ FUNC GLOBAL DEFAULT N pthread_attr_setstacksize + FUNC GLOBAL DEFAULT N pthread_barrier_destroy + FUNC GLOBAL DEFAULT N pthread_barrier_init + FUNC GLOBAL DEFAULT N pthread_barrier_wait + FUNC GLOBAL DEFAULT N pthread_barrierattr_destroy ++ FUNC GLOBAL DEFAULT N pthread_barrierattr_getpshared + FUNC GLOBAL DEFAULT N pthread_barrierattr_init + FUNC GLOBAL DEFAULT N pthread_barrierattr_setpshared + FUNC GLOBAL DEFAULT N pthread_cancel +@@ -193,36 +178,49 @@ + FUNC GLOBAL DEFAULT N pthread_cond_timedwait + FUNC GLOBAL DEFAULT N pthread_cond_wait + FUNC GLOBAL DEFAULT N pthread_condattr_destroy ++ FUNC GLOBAL DEFAULT N pthread_condattr_getclock + FUNC GLOBAL DEFAULT N pthread_condattr_getpshared + FUNC GLOBAL DEFAULT N pthread_condattr_init ++ FUNC GLOBAL DEFAULT N pthread_condattr_setclock + FUNC GLOBAL DEFAULT N pthread_condattr_setpshared + FUNC GLOBAL DEFAULT N pthread_create + FUNC GLOBAL DEFAULT N pthread_detach + FUNC GLOBAL DEFAULT N pthread_equal + FUNC GLOBAL DEFAULT N pthread_exit ++ FUNC GLOBAL DEFAULT N pthread_getaffinity_np + FUNC GLOBAL DEFAULT N pthread_getattr_np +- FUNC WEAK DEFAULT N pthread_getconcurrency ++ FUNC GLOBAL DEFAULT N pthread_getconcurrency ++ FUNC GLOBAL DEFAULT N pthread_getcpuclockid + FUNC GLOBAL DEFAULT N pthread_getschedparam + FUNC GLOBAL DEFAULT N pthread_getspecific + FUNC GLOBAL DEFAULT N pthread_join + FUNC GLOBAL DEFAULT N pthread_key_create + FUNC GLOBAL DEFAULT N pthread_key_delete + FUNC GLOBAL DEFAULT N pthread_kill +- FUNC WEAK DEFAULT N pthread_kill_other_threads_np ++ FUNC GLOBAL DEFAULT N pthread_kill_other_threads_np ++ FUNC GLOBAL DEFAULT N pthread_mutex_consistent_np + FUNC GLOBAL DEFAULT N pthread_mutex_destroy ++ FUNC GLOBAL DEFAULT N pthread_mutex_getprioceiling + FUNC GLOBAL DEFAULT N pthread_mutex_init + FUNC GLOBAL DEFAULT N pthread_mutex_lock ++ FUNC GLOBAL DEFAULT N pthread_mutex_setprioceiling + FUNC GLOBAL DEFAULT N pthread_mutex_timedlock + FUNC GLOBAL DEFAULT N pthread_mutex_trylock + FUNC GLOBAL DEFAULT N pthread_mutex_unlock + FUNC GLOBAL DEFAULT N pthread_mutexattr_destroy + FUNC WEAK DEFAULT N pthread_mutexattr_getkind_np +- FUNC WEAK DEFAULT N pthread_mutexattr_getpshared +- FUNC WEAK DEFAULT N pthread_mutexattr_gettype ++ FUNC GLOBAL DEFAULT N pthread_mutexattr_getprioceiling ++ FUNC GLOBAL DEFAULT N pthread_mutexattr_getprotocol ++ FUNC GLOBAL DEFAULT N pthread_mutexattr_getpshared ++ FUNC GLOBAL DEFAULT N pthread_mutexattr_getrobust_np ++ FUNC GLOBAL DEFAULT N pthread_mutexattr_gettype + FUNC GLOBAL DEFAULT N pthread_mutexattr_init + FUNC WEAK DEFAULT N pthread_mutexattr_setkind_np +- FUNC WEAK DEFAULT N pthread_mutexattr_setpshared +- FUNC WEAK DEFAULT N pthread_mutexattr_settype ++ FUNC GLOBAL DEFAULT N pthread_mutexattr_setprioceiling ++ FUNC GLOBAL DEFAULT N pthread_mutexattr_setprotocol ++ FUNC GLOBAL DEFAULT N pthread_mutexattr_setpshared ++ FUNC GLOBAL DEFAULT N pthread_mutexattr_setrobust_np ++ FUNC GLOBAL DEFAULT N pthread_mutexattr_settype + FUNC GLOBAL DEFAULT N pthread_once + FUNC GLOBAL DEFAULT N pthread_rwlock_destroy + FUNC GLOBAL DEFAULT N pthread_rwlock_init +@@ -240,27 +238,35 @@ + FUNC GLOBAL DEFAULT N pthread_rwlockattr_setkind_np + FUNC GLOBAL DEFAULT N pthread_rwlockattr_setpshared + FUNC GLOBAL DEFAULT N pthread_self ++ FUNC GLOBAL DEFAULT N pthread_setaffinity_np + FUNC GLOBAL DEFAULT N pthread_setcancelstate + FUNC GLOBAL DEFAULT N pthread_setcanceltype +- FUNC WEAK DEFAULT N pthread_setconcurrency +- FUNC GLOBAL DEFAULT N pthread_setegid_np +- FUNC GLOBAL DEFAULT N pthread_seteuid_np +- FUNC GLOBAL DEFAULT N pthread_setgid_np +- FUNC GLOBAL DEFAULT N pthread_setregid_np +- FUNC GLOBAL DEFAULT N pthread_setresgid_np +- FUNC GLOBAL DEFAULT N pthread_setresuid_np +- FUNC GLOBAL DEFAULT N pthread_setreuid_np ++ FUNC GLOBAL DEFAULT N pthread_setconcurrency + FUNC GLOBAL DEFAULT N pthread_setschedparam ++ FUNC GLOBAL DEFAULT N pthread_setschedprio + FUNC GLOBAL DEFAULT N pthread_setspecific +- FUNC GLOBAL DEFAULT N pthread_setuid_np + FUNC GLOBAL DEFAULT N pthread_sigmask +- FUNC WEAK DEFAULT N pthread_spin_destroy +- FUNC WEAK DEFAULT N pthread_spin_init +- FUNC WEAK DEFAULT N pthread_spin_lock +- FUNC WEAK DEFAULT N pthread_spin_trylock +- FUNC WEAK DEFAULT N pthread_spin_unlock ++ FUNC GLOBAL DEFAULT N pthread_spin_destroy ++ FUNC GLOBAL DEFAULT N pthread_spin_init ++ FUNC GLOBAL DEFAULT N pthread_spin_lock ++ FUNC GLOBAL DEFAULT N pthread_spin_trylock ++ FUNC GLOBAL DEFAULT N pthread_spin_unlock + FUNC GLOBAL DEFAULT N pthread_testcancel ++ FUNC GLOBAL DEFAULT N pthread_timedjoin_np ++ FUNC GLOBAL DEFAULT N pthread_tryjoin_np ++ FUNC GLOBAL DEFAULT N pthread_yield ++ FUNC WEAK DEFAULT N pwrite ++ FUNC WEAK DEFAULT N pwrite64 + FUNC GLOBAL DEFAULT N raise ++ FUNC WEAK DEFAULT N read ++ FUNC GLOBAL DEFAULT UND realloc ++ FUNC WEAK DEFAULT N recv ++ FUNC WEAK DEFAULT N recvfrom ++ FUNC WEAK DEFAULT N recvmsg ++ FUNC GLOBAL DEFAULT UND sched_get_priority_max ++ FUNC GLOBAL DEFAULT UND sched_get_priority_min ++ FUNC GLOBAL DEFAULT UND sched_setparam ++ FUNC GLOBAL DEFAULT UND sched_yield + FUNC GLOBAL DEFAULT N sem_close + FUNC GLOBAL DEFAULT N sem_destroy + FUNC GLOBAL DEFAULT N sem_getvalue +@@ -271,8 +277,23 @@ + FUNC GLOBAL DEFAULT N sem_trywait + FUNC GLOBAL DEFAULT N sem_unlink + FUNC GLOBAL DEFAULT N sem_wait +- FUNC GLOBAL DEFAULT N set_eflags +- FUNC GLOBAL DEFAULT N sigaction +- FUNC GLOBAL DEFAULT N siglongjmp +- FUNC GLOBAL DEFAULT N sigwait +- FUNC GLOBAL DEFAULT N testandset ++ FUNC WEAK DEFAULT N send ++ FUNC WEAK DEFAULT N sendmsg ++ FUNC WEAK DEFAULT N sendto ++ FUNC WEAK DEFAULT N sigaction ++ FUNC WEAK DEFAULT N siglongjmp ++ FUNC WEAK DEFAULT N sigwait ++ FUNC GLOBAL DEFAULT UND sscanf ++ FUNC GLOBAL DEFAULT UND strcmp ++ FUNC GLOBAL DEFAULT UND strlen ++ FUNC GLOBAL DEFAULT N system ++ FUNC WEAK DEFAULT N tcdrain ++ FUNC GLOBAL DEFAULT UND tdelete ++ FUNC GLOBAL DEFAULT UND tfind ++ FUNC GLOBAL DEFAULT UND tsearch ++ FUNC GLOBAL DEFAULT UND twalk ++ FUNC GLOBAL DEFAULT UND unlink ++ FUNC WEAK DEFAULT N vfork ++ FUNC WEAK DEFAULT N wait ++ FUNC WEAK DEFAULT N waitpid ++ FUNC WEAK DEFAULT N write + + +And uclibc_unrefd.lst is: + +__compare_and_swap +__flockfilelist +__fresetlockfiles +__funlockfilelist +__linuxthreads_create_event +__linuxthreads_death_event +__linuxthreads_initial_report_events +__linuxthreads_pthread_key_2ndlevel_size +__linuxthreads_pthread_keys_max +__linuxthreads_pthread_sizeof_descr +__linuxthreads_pthread_threads_max +__linuxthreads_reap_event +__linuxthreads_version +__pthread_alt_lock +__pthread_alt_timedlock +__pthread_alt_unlock +__pthread_attr_destroy +__pthread_attr_getdetachstate +__pthread_attr_getguardsize +__pthread_attr_getinheritsched +__pthread_attr_getschedparam +__pthread_attr_getschedpolicy +__pthread_attr_getscope +__pthread_attr_getstack +__pthread_attr_getstacksize +__pthread_attr_init +__pthread_attr_setdetachstate +__pthread_attr_setguardsize +__pthread_attr_setinheritsched +__pthread_attr_setschedparam +__pthread_attr_setschedpolicy +__pthread_attr_setscope +__pthread_attr_setstack +__pthread_attr_setstacksize +__pthread_barrierattr_getpshared +__pthread_compare_and_swap +__pthread_cond_broadcast +__pthread_cond_destroy +__pthread_cond_init +__pthread_cond_signal +__pthread_cond_timedwait +__pthread_cond_wait +__pthread_condattr_destroy +__pthread_condattr_init +__pthread_create +__pthread_destroy_specifics +__pthread_do_exit +__pthread_equal +__pthread_exit_code +__pthread_exit_requested +__pthread_find_self +__pthread_functions +__pthread_getconcurrency +__pthread_getschedparam +__pthread_getspecific +__pthread_handles +__pthread_handles_num +__pthread_has_cas +__pthread_init_max_stacksize +__pthread_initial_thread +__pthread_initial_thread_bos +__pthread_initialize_manager +__pthread_internal_tsd_address +__pthread_internal_tsd_get +__pthread_internal_tsd_set +__pthread_key_create +__pthread_kill_other_threads_np +__pthread_last_event +__pthread_lock +__pthread_main_thread +__pthread_manager +__pthread_manager_adjust_prio +__pthread_manager_event +__pthread_manager_reader +__pthread_manager_request +__pthread_manager_sighandler +__pthread_manager_thread +__pthread_manager_thread_bos +__pthread_manager_thread_tos +__pthread_max_stacksize +__pthread_mutex_destroy +__pthread_mutex_timedlock +__pthread_mutexattr_destroy +__pthread_mutexattr_getkind_np +__pthread_mutexattr_getpshared +__pthread_mutexattr_gettype +__pthread_mutexattr_init +__pthread_mutexattr_setkind_np +__pthread_mutexattr_setpshared +__pthread_mutexattr_settype +__pthread_nonstandard_stacks +__pthread_null_sighandler +__pthread_offsetof_descr +__pthread_offsetof_pid +__pthread_once_fork_child +__pthread_once_fork_parent +__pthread_once_fork_prepare +__pthread_perform_cleanup +__pthread_raise +__pthread_reset_main_thread +__pthread_restart_new +__pthread_rwlock_destroy +__pthread_rwlock_init +__pthread_rwlock_rdlock +__pthread_rwlock_timedrdlock +__pthread_rwlock_timedwrlock +__pthread_rwlock_tryrdlock +__pthread_rwlock_trywrlock +__pthread_rwlock_unlock +__pthread_rwlock_wrlock +__pthread_rwlockattr_destroy +__pthread_self +__pthread_setcancelstate +__pthread_setcanceltype +__pthread_setconcurrency +__pthread_setschedparam +__pthread_setspecific +__pthread_sig_cancel +__pthread_sig_debug +__pthread_sig_restart +__pthread_sigaction +__pthread_sighandler +__pthread_sighandler_rt +__pthread_sigwait +__pthread_sizeof_handle +__pthread_smp_kernel +__pthread_spin_destroy +__pthread_spin_init +__pthread_spin_lock +__pthread_spin_trylock +__pthread_spin_unlock +__pthread_thread_self +__pthread_threads_debug +__pthread_threads_events +__pthread_threads_max +__pthread_timedsuspend_new +__pthread_unlock +__pthread_wait_for_restart_signal +__register_atfork +__sigaction +__sighandler +compare_and_swap_is_available +get_eflags +pthread_attr_getguardsize +pthread_attr_getstack +pthread_attr_getstacksize +pthread_attr_setguardsize +pthread_attr_setstack +pthread_attr_setstacksize +pthread_barrier_destroy +pthread_barrier_init +pthread_barrier_wait +pthread_barrierattr_destroy +pthread_barrierattr_init +pthread_barrierattr_setpshared +pthread_cancel +pthread_condattr_getpshared +pthread_condattr_setpshared +pthread_create +pthread_detach +pthread_getattr_np +pthread_getconcurrency +pthread_getspecific +pthread_join +pthread_key_create +pthread_key_delete +pthread_kill +pthread_kill_other_threads_np +pthread_mutex_timedlock +pthread_mutexattr_destroy +pthread_mutexattr_getkind_np +pthread_mutexattr_getpshared +pthread_mutexattr_gettype +pthread_mutexattr_init +pthread_mutexattr_setkind_np +pthread_mutexattr_setpshared +pthread_mutexattr_settype +pthread_rwlock_destroy +pthread_rwlock_init +pthread_rwlock_rdlock +pthread_rwlock_timedrdlock +pthread_rwlock_timedwrlock +pthread_rwlock_tryrdlock +pthread_rwlock_trywrlock +pthread_rwlock_unlock +pthread_rwlock_wrlock +pthread_rwlockattr_destroy +pthread_rwlockattr_getkind_np +pthread_rwlockattr_getpshared +pthread_rwlockattr_init +pthread_rwlockattr_setkind_np +pthread_rwlockattr_setpshared +pthread_setconcurrency +pthread_setegid_np +pthread_seteuid_np +pthread_setgid_np +pthread_setregid_np +pthread_setresgid_np +pthread_setresuid_np +pthread_setreuid_np +pthread_setspecific +pthread_setuid_np +pthread_sigmask +pthread_spin_destroy +pthread_spin_init +pthread_spin_lock +pthread_spin_trylock +pthread_spin_unlock +pthread_testcancel +sem_close +sem_destroy +sem_getvalue +sem_init +sem_open +sem_post +sem_timedwait +sem_trywait +sem_unlink +sem_wait +set_eflags +testandset |