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[209.132.180.131]) by mx.google.com with ESMTPS id e3si21333288plb.171.2017.03.21.06.41.15 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 21 Mar 2017 06:41:15 -0700 (PDT) Received-SPF: pass (google.com: domain of libc-alpha-return-78100-patch=linaro.org@sourceware.org designates 209.132.180.131 as permitted sender) client-ip=209.132.180.131; Authentication-Results: mx.google.com; dkim=pass header.i=@sourceware.org; spf=pass (google.com: domain of libc-alpha-return-78100-patch=linaro.org@sourceware.org designates 209.132.180.131 as permitted sender) smtp.mailfrom=libc-alpha-return-78100-patch=linaro.org@sourceware.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:in-reply-to :references; q=dns; s=default; b=dNHil1rtJ0e7uRpEYppmhGISFOQjWK0 NiLpDSPqmWI2LYDd9baz7EvC2qe4FNdSISOTytWV/TFu0Q63KkVOxBsssYPv+VGo 8Lw2mq2VxQpWth0tl+ewuc0d/qTsLN8bJ72AGacyALPXRkmu+ZSwtJq1gZUZCfC7 22sCMFtALCUo= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:in-reply-to :references; s=default; bh=rquDosew9lPom2S96S9SikSua4s=; b=TEpx2 gKKs5DCin+nNPNbK39sVtWQxfX9yypD6hWA/nbYS/QoDlDwBjkjubmMaODnTwnog BcPKqYfpABBRtQ+blZHasRd2OtaCiXybIleqF4pY0wJwQbynkfxGrqFSMb35oY/y hMVqVsG8w+Q9B92vvYXEfsMWTzwUO+qoNqe/sE= Received: (qmail 85853 invoked by alias); 21 Mar 2017 13:40:36 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 81660 invoked by uid 89); 21 Mar 2017 13:40:30 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-24.0 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, RCVD_IN_SORBS_SPAM, SPF_PASS autolearn=ham version=3.3.2 spammy=514, 4037, canceled, 344 X-HELO: mail-qk0-f173.google.com X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=F2hIBPHxNqPE8Em9KvLO+jVGKiWf9WDHq61gooj4shw=; b=RKIcoVlXnCVvcfvanMrJmQHg6o8H+yuWGF0VoMry0XJBjYKnEBWxgObe7R6Vqdewle zmptPluHva953YhtlG+ZXxaz4E3zuJliNKmgev9BPjk/iGzssAvvdAEsZ2/YgVbtwdBq xobuF6FQtidNCJOrjipszV7Xnkk4NHEee6klFopsIjuCJCGHfZIq0G0QSwDN4ko1nHPY voWYOHow2fSaEMSNDh43oYUpTuUr0hhMBU7fcfAPfiIsbQ9Z6bfWQx5HlocphENHmdAM 0m/Jw8Pcmg5HcSkoRfMgVGd912VttfIg0Iv0OWTWu79ZCsm5ajOD+zbu/mcmzcMs38S8 Bt7Q== X-Gm-Message-State: AFeK/H0ix5ewyJ1Dwju8qtJAIJSEzx9tFdioaErkdT12RcQc3AUG2X/EzQ2l1Ucxu71hBz8p X-Received: by 10.55.150.1 with SMTP id y1mr13878681qkd.311.1490103624585; Tue, 21 Mar 2017 06:40:24 -0700 (PDT) From: Adhemerval Zanella To: libc-alpha@sourceware.org Subject: [PATCH 3/6] Clean pthread functions namespaces for C11 threads Date: Tue, 21 Mar 2017 10:40:09 -0300 Message-Id: <1490103612-9401-4-git-send-email-adhemerval.zanella@linaro.org> In-Reply-To: <1490103612-9401-1-git-send-email-adhemerval.zanella@linaro.org> References: <1490103612-9401-1-git-send-email-adhemerval.zanella@linaro.org> This patch adds internal definition (through {libc_}hidden_{proto,def}) and also change some strong to weak alias for symbols that might be used by C11 threads implementations. The patchset should not change libc/libpthread functional, although object changes are expected (since now internal symbols are used instead) and final exported symbols through GLIBC_PRIVATE is also expanded (to cover libpthread usage of __mmap{64}, __munmap, __mprotect). Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabi, hppa-linux-gnu, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu, microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu, powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu, tile{pro,gx}-linux-gnu, and x86_64-linux-gnu). * include/sched.h (__sched_get_priority_max): Add libc hidden proto. (__sched_get_prioriry_min): Likewise. * include/sys/mman.h (__mmap): Likewise. (__mmap64): Likewise. (__munmap): Likewise. (__mprotect): Likewise. * include/termios.h (__tcsetattr): Likewise. * include/time.h (__nanosleep): Use hidden_proto instead of libc_hidden_proto. * posix/nanosleep.c (__nanosleep): Likewise. * misc/Versions (libc): Export __mmap, __munmap, __mprotect, __sched_get_priority_min, and __sched_get_priority_max under GLIBC_PRIVATE. * nptl/allocatestack.c (__free_stacks): Use internal definition for libc symbols. (change_stack_perm): Likewise. (allocate_stack): Likewise. * sysdeps/posix/gethostname.c: Likewise. * nptl/tpp.c (__init_sched_fifo_prio): Likewise. * sysdeps/unix/sysv/linux/hppa/internaltypes.h (cond_compat_check_and_clear): Likewise. * sysdeps/unix/sysv/linux/i386/smp.h (is_smp_system): Likewise. * sysdeps/unix/sysv/linux/powerpc/ioctl.c (__ioctl): Likewise. * nptl/pthreadP.h (__pthread_mutex_timedlock): Add definition. (__pthread_key_delete): Likewise. (__pthread_detach): Likewise. (__pthread_cancel): Likewise. (__pthread_mutex_trylock): Likewise. (__pthread_mutexattr_init): Likewise. (__pthread_mutexattr_settype): Likewise. * nptl/pthread_cancel.c (pthread_cancel): Change to internal name and create alias for exported one. * nptl/pthread_join.c (pthread_join): Likewise. * nptl/pthread_detach.c (pthread_detach): Likewise. * nptl/pthread_key_delete.c (pthread_key_delete): Likewise. * nptl/pthread_mutex_timedlock.c (pthread_mutex_timedlock): Likewise. * nptl/pthread_create.c: Change static requirements for pthread symbols. * nptl/pthread_equal.c (__pthread_equal): Change strong alias to weak for internal definition. * nptl/pthread_exit.c (__pthread_exit): Likewise. * nptl/pthread_getspecific.c (__pthread_getspecific): Likewise. * nptl/pthread_key_create.c (__pthread_key_create): Likewise. * nptl/pthread_mutex_destroy.c (__pthread_mutex_destroy): Likewise. * nptl/pthread_mutex_init.c (__pthread_mutex_init): Likewise. * nptl/pthread_mutex_lock.c (__pthread_mutex_lock): Likewise. * nptl/pthread_mutex_trylock.c (__pthread_mutex_trylock): Likewise. * nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock): Likewise. * nptl/pthread_mutexattr_init.c (__pthread_mutexattr_init): Likwise. * nptl/pthread_mutexattr_settype.c (__pthread_mutexattr_settype): Likewise. * nptl/pthread_self.c (__pthread_self): Likewise. * nptl/pthread_setspecific.c (__pthread_setspecific): Likewise. * sysdeps/unix/sysv/linux/tcsetattr.c (tcsetattr): Likewise. * sysdeps/unix/sysv/linux/aarch64/mmap.c (__mmap): Add internal symbol definition. (__mmap64): Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c (__mmap): Likewise. * sysdeps/unix/sysv/linux/hppa/mmap.c (__mmap): Likewise. * sysdeps/unix/sysv/linux/i386/mmap.c (__mmap): Likewise. * sysdeps/unix/sysv/linux/m68k/mmap.S (__mmap): Likewise. * sysdeps/unix/sysv/linux/microblaze/mmap.S (__mmap): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/mmap.c (__mmap64): Likewise. * sysdeps/unix/sysv/linux/mmap64.c (__mmap): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise. (__mmap64): Likewise. * sysdeps/unix/sysv/linux/wordsize-64/mmap.c (__mmap): Likewise. (__mmap64): Likewise. * sysdeps/unix/sysv/linux/i386/Versions (libc) [GLIBC_PRIVATE): Add __uname. * sysdeps/microblaze/backtrace.c (get_frame_size): Add static. --- ChangeLog | 76 ++++++++++++++++++++++ include/sched.h | 2 + include/sys/mman.h | 4 ++ include/termios.h | 2 + include/time.h | 2 +- misc/Versions | 2 + nptl/allocatestack.c | 24 +++---- nptl/pthreadP.h | 9 +++ nptl/pthread_cancel.c | 7 +- nptl/pthread_create.c | 18 ++--- nptl/pthread_detach.c | 3 +- nptl/pthread_equal.c | 2 +- nptl/pthread_exit.c | 4 +- nptl/pthread_getspecific.c | 2 +- nptl/pthread_join.c | 3 +- nptl/pthread_key_create.c | 2 +- nptl/pthread_key_delete.c | 3 +- nptl/pthread_mutex_destroy.c | 2 +- nptl/pthread_mutex_init.c | 2 +- nptl/pthread_mutex_lock.c | 2 +- nptl/pthread_mutex_timedlock.c | 5 +- nptl/pthread_mutex_trylock.c | 3 +- nptl/pthread_mutex_unlock.c | 2 +- nptl/pthread_mutexattr_init.c | 3 +- nptl/pthread_mutexattr_settype.c | 3 +- nptl/pthread_self.c | 2 +- nptl/pthread_setspecific.c | 2 +- nptl/tpp.c | 4 +- posix/nanosleep.c | 2 +- sysdeps/posix/gethostname.c | 2 +- sysdeps/unix/sysv/linux/aarch64/mmap.c | 5 +- sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c | 5 +- sysdeps/unix/sysv/linux/hppa/mmap.c | 1 + sysdeps/unix/sysv/linux/i386/Versions | 2 +- sysdeps/unix/sysv/linux/i386/mmap.c | 1 + sysdeps/unix/sysv/linux/i386/smp.h | 2 +- sysdeps/unix/sysv/linux/m68k/mmap.S | 1 + sysdeps/unix/sysv/linux/microblaze/mmap.S | 1 + sysdeps/unix/sysv/linux/mips/mips64/n32/mmap.c | 5 +- sysdeps/unix/sysv/linux/mmap64.c | 6 +- sysdeps/unix/sysv/linux/powerpc/ioctl.c | 6 +- sysdeps/unix/sysv/linux/s390/s390-32/mmap.S | 1 + sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S | 1 + sysdeps/unix/sysv/linux/s390/s390-64/mmap.S | 2 + sysdeps/unix/sysv/linux/tcsetattr.c | 3 +- sysdeps/unix/sysv/linux/wordsize-64/mmap.c | 6 +- 46 files changed, 183 insertions(+), 64 deletions(-) -- 2.7.4 diff --git a/include/sched.h b/include/sched.h index b4d7406..f75faed 100644 --- a/include/sched.h +++ b/include/sched.h @@ -13,7 +13,9 @@ extern int __sched_getscheduler (__pid_t __pid); extern int __sched_yield (void); libc_hidden_proto (__sched_yield) extern int __sched_get_priority_max (int __algorithm); +libc_hidden_proto (__sched_get_priority_max) extern int __sched_get_priority_min (int __algorithm); +libc_hidden_proto (__sched_get_priority_min) extern int __sched_rr_get_interval (__pid_t __pid, struct timespec *__t); /* These are Linux specific. */ diff --git a/include/sys/mman.h b/include/sys/mman.h index 7026f69..8b996fc 100644 --- a/include/sys/mman.h +++ b/include/sys/mman.h @@ -5,10 +5,14 @@ /* Now define the internal interfaces. */ extern void *__mmap (void *__addr, size_t __len, int __prot, int __flags, int __fd, __off_t __offset); +libc_hidden_proto (__mmap) extern void *__mmap64 (void *__addr, size_t __len, int __prot, int __flags, int __fd, __off64_t __offset); +libc_hidden_proto (__mmap64) extern int __munmap (void *__addr, size_t __len); +libc_hidden_proto (__munmap) extern int __mprotect (void *__addr, size_t __len, int __prot); +libc_hidden_proto (__mprotect) extern int __madvise (void *__addr, size_t __len, int __advice); libc_hidden_proto (__madvise) diff --git a/include/termios.h b/include/termios.h index fad51f8..1a36e22 100644 --- a/include/termios.h +++ b/include/termios.h @@ -4,6 +4,8 @@ #ifndef _ISOMAC /* Now define the internal interfaces. */ extern int __tcgetattr (int __fd, struct termios *__termios_p); +extern int __tcsetattr (int __fd, int __optional_actions, + const struct termios *__termios_p); extern int __libc_tcdrain (int __fd); diff --git a/include/time.h b/include/time.h index 6badf0e..c5f64b3 100644 --- a/include/time.h +++ b/include/time.h @@ -80,7 +80,7 @@ extern struct tm *__tz_convert (const time_t *timer, int use_localtime, struct t extern int __nanosleep (const struct timespec *__requested_time, struct timespec *__remaining); -libc_hidden_proto (__nanosleep) +hidden_proto (__nanosleep) extern int __nanosleep_nocancel (const struct timespec *__requested_time, struct timespec *__remaining) attribute_hidden; diff --git a/misc/Versions b/misc/Versions index f2c90ff..7d8bc4e 100644 --- a/misc/Versions +++ b/misc/Versions @@ -160,5 +160,7 @@ libc { __mktemp; __libc_ifunc_impl_list; __tdelete; __tfind; __tsearch; __twalk; + __mmap; __munmap; __mprotect; + __sched_get_priority_min; __sched_get_priority_max; } } diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c index e5c5f79..d8466e7 100644 --- a/nptl/allocatestack.c +++ b/nptl/allocatestack.c @@ -278,7 +278,7 @@ __free_stacks (size_t limit) /* Remove this block. This should never fail. If it does something is really wrong. */ - if (munmap (curr->stackblock, curr->stackblock_size) != 0) + if (__munmap (curr->stackblock, curr->stackblock_size) != 0) abort (); /* Maybe we have freed enough. */ @@ -328,7 +328,7 @@ change_stack_perm (struct pthread *pd #else # error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP" #endif - if (mprotect (stack, len, PROT_READ | PROT_WRITE | PROT_EXEC) != 0) + if (__mprotect (stack, len, PROT_READ | PROT_WRITE | PROT_EXEC) != 0) return errno; return 0; @@ -490,8 +490,8 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, size += pagesize_m1 + 1; #endif - mem = mmap (NULL, size, prot, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0); + mem = __mmap (NULL, size, prot, + MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0); if (__glibc_unlikely (mem == MAP_FAILED)) return errno; @@ -545,7 +545,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, assert (errno == ENOMEM); /* Free the stack memory we just allocated. */ - (void) munmap (mem, size); + (void) __munmap (mem, size); return errno; } @@ -575,7 +575,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, if (err != 0) { /* Free the stack memory we just allocated. */ - (void) munmap (mem, size); + (void) __munmap (mem, size); return err; } @@ -600,7 +600,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, #elif _STACK_GROWS_UP char *guard = (char *) (((uintptr_t) pd - guardsize) & ~pagesize_m1); #endif - if (mprotect (guard, guardsize, PROT_NONE) != 0) + if (__mprotect (guard, guardsize, PROT_NONE) != 0) { mprot_error: lll_lock (stack_cache_lock, LLL_PRIVATE); @@ -618,7 +618,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, of memory caused problems we better do not use it anymore. Uh, and we ignore possible errors. There is nothing we could do. */ - (void) munmap (mem, size); + (void) __munmap (mem, size); return errno; } @@ -635,19 +635,19 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp, char *oldguard = mem + (((size - pd->guardsize) / 2) & ~pagesize_m1); if (oldguard < guard - && mprotect (oldguard, guard - oldguard, prot) != 0) + && __mprotect (oldguard, guard - oldguard, prot) != 0) goto mprot_error; - if (mprotect (guard + guardsize, + if (__mprotect (guard + guardsize, oldguard + pd->guardsize - guard - guardsize, prot) != 0) goto mprot_error; #elif _STACK_GROWS_DOWN - if (mprotect ((char *) mem + guardsize, pd->guardsize - guardsize, + if (__mprotect ((char *) mem + guardsize, pd->guardsize - guardsize, prot) != 0) goto mprot_error; #elif _STACK_GROWS_UP - if (mprotect ((char *) pd - pd->guardsize, + if (__mprotect ((char *) pd - pd->guardsize, pd->guardsize - guardsize, prot) != 0) goto mprot_error; #endif diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index 4f76cbb..c4f8879 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -428,6 +428,8 @@ extern int __pthread_mutex_init (pthread_mutex_t *__mutex, extern int __pthread_mutex_destroy (pthread_mutex_t *__mutex); extern int __pthread_mutex_trylock (pthread_mutex_t *_mutex); extern int __pthread_mutex_lock (pthread_mutex_t *__mutex); +extern int __pthread_mutex_timedlock (pthread_mutex_t *__mutex, + const struct timespec *__abstime); extern int __pthread_mutex_cond_lock (pthread_mutex_t *__mutex) attribute_hidden internal_function; extern void __pthread_mutex_cond_lock_adjust (pthread_mutex_t *__mutex) @@ -491,6 +493,7 @@ extern int __pthread_cond_timedwait (pthread_cond_t *cond, extern int __pthread_condattr_destroy (pthread_condattr_t *attr); extern int __pthread_condattr_init (pthread_condattr_t *attr); extern int __pthread_key_create (pthread_key_t *key, void (*destr) (void *)); +extern int __pthread_key_delete (pthread_key_t key); extern void *__pthread_getspecific (pthread_key_t key); extern int __pthread_setspecific (pthread_key_t key, const void *value); extern int __pthread_once (pthread_once_t *once_control, @@ -499,8 +502,11 @@ extern int __pthread_atfork (void (*prepare) (void), void (*parent) (void), void (*child) (void)); extern pthread_t __pthread_self (void); extern int __pthread_equal (pthread_t thread1, pthread_t thread2); +extern int __pthread_detach (pthread_t th); +extern int __pthread_cancel (pthread_t th); extern int __pthread_kill (pthread_t threadid, int signo); extern void __pthread_exit (void *value) __attribute__ ((__noreturn__)); +extern int __pthread_join (pthread_t threadid, void **thread_return); extern int __pthread_setcanceltype (int type, int *oldtype); extern int __pthread_enable_asynccancel (void) attribute_hidden; extern void __pthread_disable_asynccancel (int oldtype) @@ -511,6 +517,7 @@ extern void __pthread_testcancel (void); hidden_proto (__pthread_mutex_init) hidden_proto (__pthread_mutex_destroy) hidden_proto (__pthread_mutex_lock) +hidden_proto (__pthread_mutex_trylock) hidden_proto (__pthread_mutex_unlock) hidden_proto (__pthread_rwlock_rdlock) hidden_proto (__pthread_rwlock_wrlock) @@ -521,6 +528,8 @@ hidden_proto (__pthread_setspecific) hidden_proto (__pthread_once) hidden_proto (__pthread_setcancelstate) hidden_proto (__pthread_testcancel) +hidden_proto (__pthread_mutexattr_init) +hidden_proto (__pthread_mutexattr_settype) #endif extern int __pthread_cond_broadcast_2_0 (pthread_cond_2_0_t *cond); diff --git a/nptl/pthread_cancel.c b/nptl/pthread_cancel.c index 231a58d..742dfe6 100644 --- a/nptl/pthread_cancel.c +++ b/nptl/pthread_cancel.c @@ -25,7 +25,7 @@ #include int -pthread_cancel (pthread_t th) +__pthread_cancel (pthread_t th) { volatile struct pthread *pd = (volatile struct pthread *) th; @@ -66,7 +66,7 @@ pthread_cancel (pthread_t th) #ifdef SIGCANCEL /* The cancellation handler will take care of marking the thread as canceled. */ - pid_t pid = getpid (); + pid_t pid = __getpid (); INTERNAL_SYSCALL_DECL (err); int val = INTERNAL_SYSCALL_CALL (tgkill, err, pid, pd->tid, @@ -99,5 +99,6 @@ pthread_cancel (pthread_t th) return result; } +weak_alias (__pthread_cancel, pthread_cancel) -PTHREAD_STATIC_FN_REQUIRE (pthread_create) +PTHREAD_STATIC_FN_REQUIRE (__pthread_create) diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c index 2ef2bcb..b303557 100644 --- a/nptl/pthread_create.c +++ b/nptl/pthread_create.c @@ -915,14 +915,14 @@ compat_symbol (libpthread, __pthread_create_2_0, pthread_create, /* If pthread_create is present, libgcc_eh.a and libsupc++.a expects some other POSIX thread functions to be present as well. */ -PTHREAD_STATIC_FN_REQUIRE (pthread_mutex_lock) -PTHREAD_STATIC_FN_REQUIRE (pthread_mutex_trylock) -PTHREAD_STATIC_FN_REQUIRE (pthread_mutex_unlock) +PTHREAD_STATIC_FN_REQUIRE (__pthread_mutex_lock) +PTHREAD_STATIC_FN_REQUIRE (__pthread_mutex_trylock) +PTHREAD_STATIC_FN_REQUIRE (__pthread_mutex_unlock) -PTHREAD_STATIC_FN_REQUIRE (pthread_once) -PTHREAD_STATIC_FN_REQUIRE (pthread_cancel) +PTHREAD_STATIC_FN_REQUIRE (__pthread_once) +PTHREAD_STATIC_FN_REQUIRE (__pthread_cancel) -PTHREAD_STATIC_FN_REQUIRE (pthread_key_create) -PTHREAD_STATIC_FN_REQUIRE (pthread_key_delete) -PTHREAD_STATIC_FN_REQUIRE (pthread_setspecific) -PTHREAD_STATIC_FN_REQUIRE (pthread_getspecific) +PTHREAD_STATIC_FN_REQUIRE (__pthread_key_create) +PTHREAD_STATIC_FN_REQUIRE (__pthread_key_delete) +PTHREAD_STATIC_FN_REQUIRE (__pthread_setspecific) +PTHREAD_STATIC_FN_REQUIRE (__pthread_getspecific) diff --git a/nptl/pthread_detach.c b/nptl/pthread_detach.c index 8a2e943..5c4c8f7 100644 --- a/nptl/pthread_detach.c +++ b/nptl/pthread_detach.c @@ -22,7 +22,7 @@ int -pthread_detach (pthread_t th) +__pthread_detach (pthread_t th) { struct pthread *pd = (struct pthread *) th; @@ -53,3 +53,4 @@ pthread_detach (pthread_t th) return result; } +weak_alias (__pthread_detach, pthread_detach) diff --git a/nptl/pthread_equal.c b/nptl/pthread_equal.c index e304add..b5244ee 100644 --- a/nptl/pthread_equal.c +++ b/nptl/pthread_equal.c @@ -24,4 +24,4 @@ __pthread_equal (pthread_t thread1, pthread_t thread2) { return thread1 == thread2; } -strong_alias (__pthread_equal, pthread_equal) +weak_alias (__pthread_equal, pthread_equal) diff --git a/nptl/pthread_exit.c b/nptl/pthread_exit.c index dffab09..7209769 100644 --- a/nptl/pthread_exit.c +++ b/nptl/pthread_exit.c @@ -27,8 +27,8 @@ __pthread_exit (void *value) __do_cancel (); } -strong_alias (__pthread_exit, pthread_exit) +weak_alias (__pthread_exit, pthread_exit) /* After a thread terminates, __libc_start_main decrements __nptl_nthreads defined in pthread_create.c. */ -PTHREAD_STATIC_FN_REQUIRE (pthread_create) +PTHREAD_STATIC_FN_REQUIRE (__pthread_create) diff --git a/nptl/pthread_getspecific.c b/nptl/pthread_getspecific.c index ddedcf2..114d6da 100644 --- a/nptl/pthread_getspecific.c +++ b/nptl/pthread_getspecific.c @@ -63,5 +63,5 @@ __pthread_getspecific (pthread_key_t key) return result; } -strong_alias (__pthread_getspecific, pthread_getspecific) +weak_alias (__pthread_getspecific, pthread_getspecific) hidden_def (__pthread_getspecific) diff --git a/nptl/pthread_join.c b/nptl/pthread_join.c index 0192f69..afc8c37 100644 --- a/nptl/pthread_join.c +++ b/nptl/pthread_join.c @@ -37,7 +37,7 @@ cleanup (void *arg) int -pthread_join (pthread_t threadid, void **thread_return) +__pthread_join (pthread_t threadid, void **thread_return) { struct pthread *pd = (struct pthread *) threadid; @@ -115,3 +115,4 @@ pthread_join (pthread_t threadid, void **thread_return) return result; } +weak_alias (__pthread_join, pthread_join) diff --git a/nptl/pthread_key_create.c b/nptl/pthread_key_create.c index 4f51c76..70c0e12 100644 --- a/nptl/pthread_key_create.c +++ b/nptl/pthread_key_create.c @@ -47,5 +47,5 @@ __pthread_key_create (pthread_key_t *key, void (*destr) (void *)) return EAGAIN; } -strong_alias (__pthread_key_create, pthread_key_create) +weak_alias (__pthread_key_create, pthread_key_create) hidden_def (__pthread_key_create) diff --git a/nptl/pthread_key_delete.c b/nptl/pthread_key_delete.c index 605f93b..426163d 100644 --- a/nptl/pthread_key_delete.c +++ b/nptl/pthread_key_delete.c @@ -22,7 +22,7 @@ int -pthread_key_delete (pthread_key_t key) +__pthread_key_delete (pthread_key_t key) { int result = EINVAL; @@ -39,3 +39,4 @@ pthread_key_delete (pthread_key_t key) return result; } +weak_alias (__pthread_key_delete, pthread_key_delete) diff --git a/nptl/pthread_mutex_destroy.c b/nptl/pthread_mutex_destroy.c index a300832..ed3b63f 100644 --- a/nptl/pthread_mutex_destroy.c +++ b/nptl/pthread_mutex_destroy.c @@ -36,5 +36,5 @@ __pthread_mutex_destroy (pthread_mutex_t *mutex) return 0; } -strong_alias (__pthread_mutex_destroy, pthread_mutex_destroy) +weak_alias (__pthread_mutex_destroy, pthread_mutex_destroy) hidden_def (__pthread_mutex_destroy) diff --git a/nptl/pthread_mutex_init.c b/nptl/pthread_mutex_init.c index 138e144..6f2fc80 100644 --- a/nptl/pthread_mutex_init.c +++ b/nptl/pthread_mutex_init.c @@ -144,5 +144,5 @@ __pthread_mutex_init (pthread_mutex_t *mutex, return 0; } -strong_alias (__pthread_mutex_init, pthread_mutex_init) +weak_alias (__pthread_mutex_init, pthread_mutex_init) hidden_def (__pthread_mutex_init) diff --git a/nptl/pthread_mutex_lock.c b/nptl/pthread_mutex_lock.c index dc9ca4c..b76475b 100644 --- a/nptl/pthread_mutex_lock.c +++ b/nptl/pthread_mutex_lock.c @@ -597,7 +597,7 @@ __pthread_mutex_lock_full (pthread_mutex_t *mutex) return 0; } #ifndef __pthread_mutex_lock -strong_alias (__pthread_mutex_lock, pthread_mutex_lock) +weak_alias (__pthread_mutex_lock, pthread_mutex_lock) hidden_def (__pthread_mutex_lock) #endif diff --git a/nptl/pthread_mutex_timedlock.c b/nptl/pthread_mutex_timedlock.c index a4beb7b..be53381 100644 --- a/nptl/pthread_mutex_timedlock.c +++ b/nptl/pthread_mutex_timedlock.c @@ -41,8 +41,8 @@ #endif int -pthread_mutex_timedlock (pthread_mutex_t *mutex, - const struct timespec *abstime) +__pthread_mutex_timedlock (pthread_mutex_t *mutex, + const struct timespec *abstime) { int oldval; pid_t id = THREAD_GETMEM (THREAD_SELF, tid); @@ -634,3 +634,4 @@ pthread_mutex_timedlock (pthread_mutex_t *mutex, out: return result; } +weak_alias (__pthread_mutex_timedlock, pthread_mutex_timedlock) diff --git a/nptl/pthread_mutex_trylock.c b/nptl/pthread_mutex_trylock.c index e514997..ec7da61 100644 --- a/nptl/pthread_mutex_trylock.c +++ b/nptl/pthread_mutex_trylock.c @@ -403,6 +403,7 @@ __pthread_mutex_trylock (pthread_mutex_t *mutex) #ifndef __pthread_mutex_trylock #ifndef pthread_mutex_trylock -strong_alias (__pthread_mutex_trylock, pthread_mutex_trylock) +weak_alias (__pthread_mutex_trylock, pthread_mutex_trylock) +hidden_def (__pthread_mutex_trylock) #endif #endif diff --git a/nptl/pthread_mutex_unlock.c b/nptl/pthread_mutex_unlock.c index f701d4e..e1a8a5c 100644 --- a/nptl/pthread_mutex_unlock.c +++ b/nptl/pthread_mutex_unlock.c @@ -346,5 +346,5 @@ __pthread_mutex_unlock (pthread_mutex_t *mutex) { return __pthread_mutex_unlock_usercnt (mutex, 1); } -strong_alias (__pthread_mutex_unlock, pthread_mutex_unlock) +weak_alias (__pthread_mutex_unlock, pthread_mutex_unlock) hidden_def (__pthread_mutex_unlock) diff --git a/nptl/pthread_mutexattr_init.c b/nptl/pthread_mutexattr_init.c index 210d490..dcad522 100644 --- a/nptl/pthread_mutexattr_init.c +++ b/nptl/pthread_mutexattr_init.c @@ -33,4 +33,5 @@ __pthread_mutexattr_init (pthread_mutexattr_t *attr) return 0; } -strong_alias (__pthread_mutexattr_init, pthread_mutexattr_init) +weak_alias (__pthread_mutexattr_init, pthread_mutexattr_init) +hidden_def (__pthread_mutexattr_init) diff --git a/nptl/pthread_mutexattr_settype.c b/nptl/pthread_mutexattr_settype.c index 8c4d11f..988793b 100644 --- a/nptl/pthread_mutexattr_settype.c +++ b/nptl/pthread_mutexattr_settype.c @@ -40,4 +40,5 @@ __pthread_mutexattr_settype (pthread_mutexattr_t *attr, int kind) return 0; } weak_alias (__pthread_mutexattr_settype, pthread_mutexattr_setkind_np) -strong_alias (__pthread_mutexattr_settype, pthread_mutexattr_settype) +weak_alias (__pthread_mutexattr_settype, pthread_mutexattr_settype) +hidden_def (__pthread_mutexattr_settype) diff --git a/nptl/pthread_self.c b/nptl/pthread_self.c index 4c978e1..8e21775 100644 --- a/nptl/pthread_self.c +++ b/nptl/pthread_self.c @@ -25,4 +25,4 @@ __pthread_self (void) { return (pthread_t) THREAD_SELF; } -strong_alias (__pthread_self, pthread_self) +weak_alias (__pthread_self, pthread_self) diff --git a/nptl/pthread_setspecific.c b/nptl/pthread_setspecific.c index c5416a5..214af3b 100644 --- a/nptl/pthread_setspecific.c +++ b/nptl/pthread_setspecific.c @@ -89,5 +89,5 @@ __pthread_setspecific (pthread_key_t key, const void *value) return 0; } -strong_alias (__pthread_setspecific, pthread_setspecific) +weak_alias (__pthread_setspecific, pthread_setspecific) hidden_def (__pthread_setspecific) diff --git a/nptl/tpp.c b/nptl/tpp.c index 57eb026..7eb2b96 100644 --- a/nptl/tpp.c +++ b/nptl/tpp.c @@ -43,9 +43,9 @@ void __init_sched_fifo_prio (void) { atomic_store_relaxed (&__sched_fifo_max_prio, - sched_get_priority_max (SCHED_FIFO)); + __sched_get_priority_max (SCHED_FIFO)); atomic_store_relaxed (&__sched_fifo_min_prio, - sched_get_priority_min (SCHED_FIFO)); + __sched_get_priority_min (SCHED_FIFO)); } int diff --git a/posix/nanosleep.c b/posix/nanosleep.c index 60a93ca..dbda103 100644 --- a/posix/nanosleep.c +++ b/posix/nanosleep.c @@ -29,5 +29,5 @@ __nanosleep (const struct timespec *requested_time, } stub_warning (nanosleep) -libc_hidden_def (__nanosleep) +hidden_def (__nanosleep) weak_alias (__nanosleep, nanosleep) diff --git a/sysdeps/posix/gethostname.c b/sysdeps/posix/gethostname.c index 03a5d3f..a132482 100644 --- a/sysdeps/posix/gethostname.c +++ b/sysdeps/posix/gethostname.c @@ -29,7 +29,7 @@ __gethostname (char *name, size_t len) struct utsname buf; size_t node_len; - if (uname (&buf)) + if (__uname (&buf)) return -1; node_len = strlen (buf.nodename) + 1; diff --git a/sysdeps/unix/sysv/linux/aarch64/mmap.c b/sysdeps/unix/sysv/linux/aarch64/mmap.c index 1dd18f9..7630c15 100644 --- a/sysdeps/unix/sysv/linux/aarch64/mmap.c +++ b/sysdeps/unix/sysv/linux/aarch64/mmap.c @@ -26,9 +26,12 @@ __ptr_t __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset) { - return (__ptr_t) INLINE_SYSCALL (mmap, 6, addr, len, prot, flags, fd, offset); + return (__ptr_t) INLINE_SYSCALL_CALL (mmap, addr, len, prot, flags, fd, + offset); } weak_alias (__mmap, mmap) +libc_hidden_def (__mmap) weak_alias (__mmap, mmap64) weak_alias (__mmap, __mmap64) +libc_hidden_def (__mmap64) diff --git a/sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c b/sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c index ebeb79b..ca86984 100644 --- a/sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c +++ b/sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c @@ -33,8 +33,9 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset) __set_errno (EINVAL); return MAP_FAILED; } - return (__ptr_t) INLINE_SYSCALL (mmap2, 6, addr, len, prot, flags, fd, - offset / MMAP_PAGE_UNIT); + return (__ptr_t) INLINE_SYSCALL_CALL (mmap2, addr, len, prot, flags, fd, + offset / MMAP_PAGE_UNIT); } weak_alias (__mmap, mmap) +libc_hidden_def (__mmap) diff --git a/sysdeps/unix/sysv/linux/hppa/mmap.c b/sysdeps/unix/sysv/linux/hppa/mmap.c index 72957cd..61076b7 100644 --- a/sysdeps/unix/sysv/linux/hppa/mmap.c +++ b/sysdeps/unix/sysv/linux/hppa/mmap.c @@ -47,3 +47,4 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset) } weak_alias (__mmap, mmap) +libc_hidden_def (__mmap) diff --git a/sysdeps/unix/sysv/linux/i386/Versions b/sysdeps/unix/sysv/linux/i386/Versions index f3544ac..b59ace4 100644 --- a/sysdeps/unix/sysv/linux/i386/Versions +++ b/sysdeps/unix/sysv/linux/i386/Versions @@ -46,6 +46,6 @@ libc { fallocate64; } GLIBC_PRIVATE { - __modify_ldt; + __modify_ldt; __uname; } } diff --git a/sysdeps/unix/sysv/linux/i386/mmap.c b/sysdeps/unix/sysv/linux/i386/mmap.c index abf3a26..5da0cd1 100644 --- a/sysdeps/unix/sysv/linux/i386/mmap.c +++ b/sysdeps/unix/sysv/linux/i386/mmap.c @@ -34,3 +34,4 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset) } weak_alias (__mmap, mmap) +libc_hidden_def (__mmap) diff --git a/sysdeps/unix/sysv/linux/i386/smp.h b/sysdeps/unix/sysv/linux/i386/smp.h index 7d1a7f2..3109ea9 100644 --- a/sysdeps/unix/sysv/linux/i386/smp.h +++ b/sysdeps/unix/sysv/linux/i386/smp.h @@ -36,7 +36,7 @@ is_smp_system (void) char *cp; /* Try reading the number using `sysctl' first. */ - if (uname (&u.uts) == 0) + if (__uname (&u.uts) == 0) cp = u.uts.version; else { diff --git a/sysdeps/unix/sysv/linux/m68k/mmap.S b/sysdeps/unix/sysv/linux/m68k/mmap.S index eb8e071..36dbf5b 100644 --- a/sysdeps/unix/sysv/linux/m68k/mmap.S +++ b/sysdeps/unix/sysv/linux/m68k/mmap.S @@ -40,3 +40,4 @@ ENTRY (__mmap) PSEUDO_END (__mmap) weak_alias (__mmap, mmap) +libc_hidden_def (__mmap) diff --git a/sysdeps/unix/sysv/linux/microblaze/mmap.S b/sysdeps/unix/sysv/linux/microblaze/mmap.S index 0099993..3d71a61 100644 --- a/sysdeps/unix/sysv/linux/microblaze/mmap.S +++ b/sysdeps/unix/sysv/linux/microblaze/mmap.S @@ -48,3 +48,4 @@ L(skip): PSEUDO_END (__mmap) weak_alias (__mmap, mmap) +libc_hidden_def (__mmap) diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/mmap.c b/sysdeps/unix/sysv/linux/mips/mips64/n32/mmap.c index ca0a5b1..ff587df 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/mmap.c +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/mmap.c @@ -28,8 +28,9 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset) /* To handle negative offsets consistently with other architectures, the offset must be zero-extended to 64-bit. */ uint64_t offset_adj = (uint64_t) (uint32_t) offset; - return (__ptr_t) INLINE_SYSCALL (mmap, 6, addr, len, prot, flags, fd, - offset_adj); + return (__ptr_t) INLINE_SYSCALL_CALL (mmap, addr, len, prot, flags, fd, + offset_adj); } weak_alias (__mmap, mmap) +libc_hidden_def (__mmap) diff --git a/sysdeps/unix/sysv/linux/mmap64.c b/sysdeps/unix/sysv/linux/mmap64.c index e823600..3d491b4 100644 --- a/sysdeps/unix/sysv/linux/mmap64.c +++ b/sysdeps/unix/sysv/linux/mmap64.c @@ -49,9 +49,9 @@ __mmap64 (void *addr, size_t len, int prot, int flags, int fd, off64_t offset) return (void *) INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); void *result; result = (void *) - INLINE_SYSCALL (mmap2, 6, addr, - len, prot, flags, fd, - (off_t) (offset >> page_shift)); + INLINE_SYSCALL_CALL (mmap2, addr, len, prot, flags, fd, + (off_t) (offset >> page_shift)); return result; } weak_alias (__mmap64, mmap64) +libc_hidden_def (__mmap64) diff --git a/sysdeps/unix/sysv/linux/powerpc/ioctl.c b/sysdeps/unix/sysv/linux/powerpc/ioctl.c index e2e3d33..1437d1d 100644 --- a/sysdeps/unix/sysv/linux/powerpc/ioctl.c +++ b/sysdeps/unix/sysv/linux/powerpc/ioctl.c @@ -41,15 +41,15 @@ __ioctl (int fd, unsigned long int request, ...) break; case TCSETS: - result = tcsetattr (fd, TCSANOW, (struct termios *) arg); + result = __tcsetattr (fd, TCSANOW, (struct termios *) arg); break; case TCSETSW: - result = tcsetattr (fd, TCSADRAIN, (struct termios *) arg); + result = __tcsetattr (fd, TCSADRAIN, (struct termios *) arg); break; case TCSETSF: - result = tcsetattr (fd, TCSAFLUSH, (struct termios *) arg); + result = __tcsetattr (fd, TCSAFLUSH, (struct termios *) arg); break; default: diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S b/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S index 99b56ed..fa2f128 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/mmap.S @@ -72,3 +72,4 @@ ENTRY(__mmap) PSEUDO_END (__mmap) weak_alias (__mmap, mmap) +libc_hidden_def (__mmap) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S b/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S index f182578..60277e6 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S @@ -79,3 +79,4 @@ ENTRY(__mmap64) PSEUDO_END (__mmap64) weak_alias (__mmap64, mmap64) +libc_hidden_def (__mmap64) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S b/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S index 06d31bb..105b348 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/mmap.S @@ -73,6 +73,8 @@ ENTRY(__mmap) PSEUDO_END (__mmap) +libc_hidden_def (__mmap) weak_alias (__mmap, mmap) weak_alias (__mmap, mmap64) weak_alias (__mmap, __mmap64) +libc_hidden_def (__mmap64) diff --git a/sysdeps/unix/sysv/linux/tcsetattr.c b/sysdeps/unix/sysv/linux/tcsetattr.c index c7d1d65..49acd16 100644 --- a/sysdeps/unix/sysv/linux/tcsetattr.c +++ b/sysdeps/unix/sysv/linux/tcsetattr.c @@ -41,7 +41,7 @@ /* Set the state of FD to *TERMIOS_P. */ int -tcsetattr (int fd, int optional_actions, const struct termios *termios_p) +__tcsetattr (int fd, int optional_actions, const struct termios *termios_p) { struct __kernel_termios k_termios; unsigned long int cmd; @@ -77,4 +77,5 @@ tcsetattr (int fd, int optional_actions, const struct termios *termios_p) return INLINE_SYSCALL (ioctl, 3, fd, cmd, &k_termios); } +weak_alias (__tcsetattr, tcsetattr) libc_hidden_def (tcsetattr) diff --git a/sysdeps/unix/sysv/linux/wordsize-64/mmap.c b/sysdeps/unix/sysv/linux/wordsize-64/mmap.c index a784b62..469213c 100644 --- a/sysdeps/unix/sysv/linux/wordsize-64/mmap.c +++ b/sysdeps/unix/sysv/linux/wordsize-64/mmap.c @@ -31,10 +31,12 @@ __ptr_t __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset) { MMAP_PREPARE (addr, len, prot, flags, fd, offset); - return (__ptr_t) INLINE_SYSCALL (mmap, 6, addr, len, prot, flags, - fd, offset); + return (__ptr_t) INLINE_SYSCALL_CALL (mmap, addr, len, prot, flags, + fd, offset); } weak_alias (__mmap, mmap) +libc_hidden_def (__mmap) weak_alias (__mmap, mmap64) weak_alias (__mmap, __mmap64) +libc_hidden_def (__mmap64)