Merge remote-tracking branch 'origin/master' into prelink

* origin/master: (137 commits)
  utils/ldd: Check for returned pointer from strrchr not the value it holds
  cris: add provide arch-specific vfork implementation
  lutimes.c, stubs.c: fix compiling lutimes, if __NR_utimensat is not defined
  bump version to 0.9.32-rc3-git
  release 0.9.32-rc3
  memalign: include sys/param.h for MAX
  arm/bits/atomic.h: Include common/bit/atomic.h for thumb1
  wctype.h: fix libc_hidden_proto for iswupper and add it for iswspace
  add libc_hidden_proto for wcs[n]casecmp_l
  really fix missing __libc_drand48_data
  Revert "missing prototype of __libc_drand48_data fixed"
  missing prototype of __libc_drand48_data fixed
  time.c, time.h: remove unused hidden strftime/strptime
  nanosleep.c: remove duplicated libc_hidden_proto
  ctype.c, ctype.h: remove commented parts that were banned for removal after 0.9.31
  _wctype.c, wctype.h: remove unused isw* and wctype_l hidden functions
  time.c, wchar.h: remove unused hidden wcsftime
  str[n]casecmp.c: fix hidden usage
  remove unused hidden functions
  frv/memset.S: add missing libc_hidden_def
  ...

Conflicts:
	ldso/ldso/ldso.c

Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>

19 files changed, 47 insertions, 200 deletions

diff --git a/libpthread/nptl/allocatestack.c b/libpthread/nptl/allocatestack.c
index 1c549cee1..e30fe41a2 100644
--- a/libpthread/nptl/allocatestack.c
+++ b/libpthread/nptl/allocatestack.c
@@ -122,7 +122,7 @@ static uintptr_t in_flight_stack;
 list_t __stack_user __attribute__ ((nocommon));
 hidden_data_def (__stack_user)
 
-#if COLORING_INCREMENT != 0
+#if defined COLORING_INCREMENT && COLORING_INCREMENT != 0
 /* Number of threads created.  */
 static unsigned int nptl_ncreated;
 #endif
@@ -316,10 +316,10 @@ change_stack_perm (struct pthread *pd
 		 + (((((pd->stackblock_size - pd->guardsize) / 2)
 		      & pagemask) + pd->guardsize) & pagemask));
   size_t len = pd->stackblock + pd->stackblock_size - stack;
-#elif _STACK_GROWS_DOWN
+#elif defined _STACK_GROWS_DOWN
   void *stack = pd->stackblock + pd->guardsize;
   size_t len = pd->stackblock_size - pd->guardsize;
-#elif _STACK_GROWS_UP
+#elif defined _STACK_GROWS_UP
   void *stack = pd->stackblock;
   size_t len = (uintptr_t) pd - pd->guardsize - (uintptr_t) pd->stackblock;
 #else
@@ -443,7 +443,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
       void *mem = 0;
       const int prot = (PROT_READ | PROT_WRITE);
 
-#if COLORING_INCREMENT != 0
+#if defined COLORING_INCREMENT && COLORING_INCREMENT != 0
       /* Add one more page for stack coloring.  Don't do it for stacks
 	 with 16 times pagesize or larger.  This might just cause
 	 unnecessary misalignment.  */
@@ -474,7 +474,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
 	     adjust the allocated stack size if necessary.  This way
 	     allocations directly following each other will not have
 	     aliasing problems.  */
-#if MULTI_PAGE_ALIASING != 0
+#if defined MULTI_PAGE_ALIASING && MULTI_PAGE_ALIASING != 0
 	  if ((size % MULTI_PAGE_ALIASING) == 0)
 	    size += pagesize_m1 + 1;
 #endif
@@ -494,7 +494,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
 	     So we can never get a null pointer back from mmap.  */
 	  assert (mem != NULL);
 
-#if COLORING_INCREMENT != 0
+#if defined COLORING_INCREMENT && COLORING_INCREMENT != 0
 	  /* Atomically increment NCREATED.  */
 	  unsigned int ncreated = atomic_increment_val (&nptl_ncreated);
 
@@ -591,9 +591,9 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
 	{
 #ifdef NEED_SEPARATE_REGISTER_STACK
 	  char *guard = mem + (((size - guardsize) / 2) & ~pagesize_m1);
-#elif _STACK_GROWS_DOWN
+#elif defined _STACK_GROWS_DOWN
 	  char *guard = mem;
-# elif _STACK_GROWS_UP
+#elif defined _STACK_GROWS_UP
 	  char *guard = (char *) (((uintptr_t) pd - guardsize) & ~pagesize_m1);
 #endif
 	  if (mprotect (guard, guardsize, PROT_NONE) != 0)
@@ -641,11 +641,11 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
 			oldguard + pd->guardsize - guard - guardsize,
 			prot) != 0)
 	    goto mprot_error;
-#elif _STACK_GROWS_DOWN
+#elif defined _STACK_GROWS_DOWN
 	  if (mprotect ((char *) mem + guardsize, pd->guardsize - guardsize,
 			prot) != 0)
 	    goto mprot_error;
-#elif _STACK_GROWS_UP
+#elif defined _STACK_GROWS_UP
 	  if (mprotect ((char *) pd - pd->guardsize,
 			pd->guardsize - guardsize, prot) != 0)
 	    goto mprot_error;
@@ -688,9 +688,9 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
 #ifdef NEED_SEPARATE_REGISTER_STACK
   *stack = pd->stackblock;
   *stacksize = stacktop - *stack;
-#elif _STACK_GROWS_DOWN
+#elif defined _STACK_GROWS_DOWN
   *stack = stacktop;
-#elif _STACK_GROWS_UP
+#elif defined _STACK_GROWS_UP
   *stack = pd->stackblock;
   assert (*stack > 0);
 #endif
diff --git a/libpthread/nptl/init.c b/libpthread/nptl/init.c
index 911293a65..c8ca09637 100644
--- a/libpthread/nptl/init.c
+++ b/libpthread/nptl/init.c
@@ -257,6 +257,7 @@ extern void **__libc_dl_error_tsd (void) __attribute__ ((const));
 /* This can be set by the debugger before initialization is complete.  */
 static bool __nptl_initial_report_events __attribute_used__;
 
+void __pthread_initialize_minimal_internal (void) attribute_hidden;
 void
 __pthread_initialize_minimal_internal (void)
 {
diff --git a/libpthread/nptl/pt-cleanup.c b/libpthread/nptl/pt-cleanup.c
index 97673b6c5..d7394ae44 100644
--- a/libpthread/nptl/pt-cleanup.c
+++ b/libpthread/nptl/pt-cleanup.c
@@ -39,13 +39,13 @@ __pthread_cleanup_upto (__jmp_buf target, char *targetframe)
        cbuf != NULL && _JMPBUF_UNWINDS_ADJ (target, cbuf, adj);
        cbuf = cbuf->__prev)
     {
-#if _STACK_GROWS_DOWN
+#ifdef _STACK_GROWS_DOWN
       if ((uintptr_t) cbuf - adj <= targetframe_adj)
         {
           cbuf = NULL;
           break;
         }
-#elif _STACK_GROWS_UP
+#elif defined _STACK_GROWS_UP
       if ((uintptr_t) cbuf - adj >= targetframe_adj)
         {
           cbuf = NULL;
diff --git a/libpthread/nptl/pthreadP.h b/libpthread/nptl/pthreadP.h
index fbac7d08f..fb354eaa3 100644
--- a/libpthread/nptl/pthreadP.h
+++ b/libpthread/nptl/pthreadP.h
@@ -179,7 +179,13 @@ extern struct pthread_key_struct __pthread_keys[PTHREAD_KEYS_MAX];
 hidden_proto (__pthread_keys)
 
 /* Number of threads running.  */
-extern unsigned int __nptl_nthreads attribute_hidden;
+extern unsigned int __nptl_nthreads
+#ifdef SHARED
+	attribute_hidden
+#else
+	__attribute ((weak))
+#endif
+	;
 
 #ifndef __ASSUME_SET_ROBUST_LIST
 /* Negative if we do not have the system call and we can use it.  */
@@ -563,7 +569,13 @@ extern void _pthread_cleanup_push_defer (struct _pthread_cleanup_buffer *buffer,
 extern void _pthread_cleanup_pop_restore (struct _pthread_cleanup_buffer *buffer,
                                           int execute);
 
-extern void __nptl_deallocate_tsd (void) attribute_hidden;
+extern void __nptl_deallocate_tsd (void)
+#ifdef SHARED
+	attribute_hidden
+#else
+	__attribute ((weak))
+#endif
+	;
 
 extern int __nptl_setxid (struct xid_command *cmdp) attribute_hidden;
 
diff --git a/libpthread/nptl/sysdeps/generic/dl-tls.c b/libpthread/nptl/sysdeps/generic/dl-tls.c
index 4acfa4ba7..904da8b8d 100644
--- a/libpthread/nptl/sysdeps/generic/dl-tls.c
+++ b/libpthread/nptl/sysdeps/generic/dl-tls.c
@@ -66,6 +66,7 @@ oom (void)
 # endif
 
 
+void *_dl_memalign(size_t alignment, size_t bytes);
 void *_dl_memalign(size_t alignment, size_t bytes)
 {
 	return _dl_malloc(bytes);
@@ -836,6 +837,7 @@ __tls_get_addr (GET_ADDR_ARGS)
 
 
 
+void _dl_add_to_slotinfo (struct link_map  *l);
 void
 _dl_add_to_slotinfo (struct link_map  *l)
 {
diff --git a/libpthread/nptl/sysdeps/generic/libc-tls.c b/libpthread/nptl/sysdeps/generic/libc-tls.c
index b78d96483..e14fc26c6 100644
--- a/libpthread/nptl/sysdeps/generic/libc-tls.c
+++ b/libpthread/nptl/sysdeps/generic/libc-tls.c
@@ -110,6 +110,7 @@ init_static_tls (size_t memsz, size_t align)
   GL(dl_tls_static_nelem) = GL(dl_tls_max_dtv_idx);
 }
 
+void __libc_setup_tls (size_t tcbsize, size_t tcbalign);
 void
 __libc_setup_tls (size_t tcbsize, size_t tcbalign)
 {
@@ -241,6 +242,7 @@ _dl_tls_setup (void)
   return 0;
 }
 
+extern void __pthread_initialize_minimal(void) __attribute__((weak));
 
 /* This is the minimal initialization function used when libpthread is
    not used.  */
diff --git a/libpthread/nptl/sysdeps/pthread/bits/sigthread.h b/libpthread/nptl/sysdeps/pthread/bits/sigthread.h
index 9a524e57d..e69de29bb 100644
--- a/libpthread/nptl/sysdeps/pthread/bits/sigthread.h
+++ b/libpthread/nptl/sysdeps/pthread/bits/sigthread.h
@@ -1,44 +0,0 @@
-/* Signal handling function for threaded programs.
-   Copyright (C) 1998, 1999, 2000, 2002, 2009 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public License as
-   published by the Free Software Foundation; either version 2.1 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#ifndef _BITS_SIGTHREAD_H
-#define _BITS_SIGTHREAD_H	1
-
-#if !defined _SIGNAL_H && !defined _PTHREAD_H
-# error "Never include this file directly.  Use <pthread.h> instead"
-#endif
-
-/* Functions for handling signals. */
-
-/* Modify the signal mask for the calling thread.  The arguments have
-   the same meaning as for sigprocmask(2). */
-extern int pthread_sigmask (int __how,
-			    __const __sigset_t *__restrict __newmask,
-			    __sigset_t *__restrict __oldmask)__THROW;
-
-/* Send signal SIGNO to the given thread. */
-extern int pthread_kill (pthread_t __threadid, int __signo) __THROW;
-
-#ifdef __USE_GNU
-/* Queue signal and data to a thread.  */
-extern int pthread_sigqueue (pthread_t __threadid, int __signo,
-			     const union sigval __value) __THROW;
-#endif
-
-#endif	/* bits/sigthread.h */
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/bits/atomic.h b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/bits/atomic.h
deleted file mode 100644
index 8f63e2510..000000000
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/bits/atomic.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <stdint.h>
-#include <sysdep.h>
-
-
-typedef int8_t atomic8_t;
-typedef uint8_t uatomic8_t;
-typedef int_fast8_t atomic_fast8_t;
-typedef uint_fast8_t uatomic_fast8_t;
-
-typedef int32_t atomic32_t;
-typedef uint32_t uatomic32_t;
-typedef int_fast32_t atomic_fast32_t;
-typedef uint_fast32_t uatomic_fast32_t;
-
-typedef intptr_t atomicptr_t;
-typedef uintptr_t uatomicptr_t;
-typedef intmax_t atomic_max_t;
-typedef uintmax_t uatomic_max_t;
-
-void __arm_link_error (void);
-
-#ifdef __thumb2__
-#define atomic_full_barrier() \
-     __asm__ __volatile__						      \
-	     ("movw\tip, #0x0fa0\n\t"					      \
-	      "movt\tip, #0xffff\n\t"					      \
-	      "blx\tip"							      \
-	      : : : "ip", "lr", "cc", "memory");
-#else
-#define atomic_full_barrier() \
-     __asm__ __volatile__						      \
-	     ("mov\tip, #0xffff0fff\n\t"				      \
-	      "mov\tlr, pc\n\t"						      \
-	      "add\tpc, ip, #(0xffff0fa0 - 0xffff0fff)"			      \
-	      : : : "ip", "lr", "cc", "memory");
-#endif
-
-/* Atomic compare and exchange.  This sequence relies on the kernel to
-   provide a compare and exchange operation which is atomic on the
-   current architecture, either via cleverness on pre-ARMv6 or via
-   ldrex / strex on ARMv6.  */
-
-#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
-  ({ __arm_link_error (); oldval; })
-
-#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
-  ({ __arm_link_error (); oldval; })
-
-/* It doesn't matter what register is used for a_oldval2, but we must
-   specify one to work around GCC PR rtl-optimization/21223.  Otherwise
-   it may cause a_oldval or a_tmp to be moved to a different register.  */
-
-#ifdef __thumb2__
-/* Thumb-2 has ldrex/strex.  However it does not have barrier instructions,
-   so we still need to use the kernel helper.  */
-#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
-  ({ register __typeof (oldval) a_oldval __asm__ ("r0");			      \
-     register __typeof (oldval) a_newval __asm__ ("r1") = (newval);		      \
-     register __typeof (mem) a_ptr __asm__ ("r2") = (mem);			      \
-     register __typeof (oldval) a_tmp __asm__ ("r3");			      \
-     register __typeof (oldval) a_oldval2 __asm__ ("r4") = (oldval);	      \
-     __asm__ __volatile__						      \
-	     ("0:\tldr\t%[tmp],[%[ptr]]\n\t"				      \
-	      "cmp\t%[tmp], %[old2]\n\t"				      \
-	      "bne\t1f\n\t"						      \
-	      "mov\t%[old], %[old2]\n\t"				      \
-	      "movw\t%[tmp], #0x0fc0\n\t"				      \
-	      "movt\t%[tmp], #0xffff\n\t"				      \
-	      "blx\t%[tmp]\n\t"						      \
-	      "bcc\t0b\n\t"						      \
-	      "mov\t%[tmp], %[old2]\n\t"				      \
-	      "1:"							      \
-	      : [old] "=&r" (a_oldval), [tmp] "=&r" (a_tmp)		      \
-	      : [new] "r" (a_newval), [ptr] "r" (a_ptr),		      \
-		[old2] "r" (a_oldval2)					      \
-	      : "ip", "lr", "cc", "memory");				      \
-     a_tmp; })
-#else
-#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
-  ({ register __typeof (oldval) a_oldval __asm__ ("r0");			      \
-     register __typeof (oldval) a_newval __asm__ ("r1") = (newval);		      \
-     register __typeof (mem) a_ptr __asm__ ("r2") = (mem);			      \
-     register __typeof (oldval) a_tmp __asm__ ("r3");			      \
-     register __typeof (oldval) a_oldval2 __asm__ ("r4") = (oldval);	      \
-     __asm__ __volatile__						      \
-	     ("0:\tldr\t%[tmp],[%[ptr]]\n\t"				      \
-	      "cmp\t%[tmp], %[old2]\n\t"				      \
-	      "bne\t1f\n\t"						      \
-	      "mov\t%[old], %[old2]\n\t"				      \
-	      "mov\t%[tmp], #0xffff0fff\n\t"				      \
-	      "mov\tlr, pc\n\t"						      \
-	      "add\tpc, %[tmp], #(0xffff0fc0 - 0xffff0fff)\n\t"		      \
-	      "bcc\t0b\n\t"						      \
-	      "mov\t%[tmp], %[old2]\n\t"				      \
-	      "1:"							      \
-	      : [old] "=&r" (a_oldval), [tmp] "=&r" (a_tmp)		      \
-	      : [new] "r" (a_newval), [ptr] "r" (a_ptr),		      \
-		[old2] "r" (a_oldval2)					      \
-	      : "ip", "lr", "cc", "memory");				      \
-     a_tmp; })
-#endif
-
-#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
-  ({ __arm_link_error (); oldval; })
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/pt-gettimeofday.c b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/pt-gettimeofday.c
index 08710f1c8..79faf54bf 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/pt-gettimeofday.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/pt-gettimeofday.c
@@ -2,4 +2,4 @@
 #include <sys/time.h>
 
 int gettimeofday (struct timeval *, struct timezone *) attribute_hidden;
-_syscall2(int, gettimeofday, struct timeval *, tv, struct timezone *, tz);
+_syscall2(int, gettimeofday, struct timeval *, tv, struct timezone *, tz)
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/sysdep-cancel.h
index 7ac9ca1e9..f0e5f6b37 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/sysdep-cancel.h
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/sysdep-cancel.h
@@ -36,7 +36,7 @@
   .type __##syscall_name##_nocancel,%function;				\
   .globl __##syscall_name##_nocancel;					\
   __##syscall_name##_nocancel:						\
-    .cfi_sections .debug_frame;						\
+    cfi_sections(.debug_frame);						\
     cfi_startproc;							\
     DO_CALL (syscall_name, args);					\
     PSEUDO_RET;								\
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/unwind-resume.c b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/unwind-resume.c
index e35374d34..15250157c 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/arm/unwind-resume.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/arm/unwind-resume.c
@@ -65,7 +65,7 @@ __asm__ (
 "	.globl	_Unwind_Resume\n"
 "	.type	_Unwind_Resume, %function\n"
 "_Unwind_Resume:\n"
-"	.cfi_sections .debug_frame\n"
+"	" CFI_SECTIONS (.debug_frame) "\n"
 "	" CFI_STARTPROC "\n"
 "	stmfd	sp!, {r4, r5, r6, lr}\n"
 "	" CFI_ADJUST_CFA_OFFSET (16)" \n"
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c b/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
index f2795510a..642198bad 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/jmp-unwind.c
@@ -25,6 +25,7 @@ extern void __pthread_cleanup_upto (__jmp_buf env, char *targetframe);
 #pragma weak __pthread_cleanup_upto
 
 
+void _longjmp_unwind (jmp_buf env, int val);
 void
 _longjmp_unwind (jmp_buf env, int val)
 {
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
index f87532359..e59bdda44 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
@@ -163,7 +163,7 @@ __lll_timedlock_wait:
 	cfi_startproc
 # ifndef __ASSUME_FUTEX_CLOCK_REALTIME
 #  ifdef __PIC__
-	cmpl	$0, __have_futex_clock_realtime(%rip)
+	cmpl	$0, __have_futex_clock_realtime@GOTOFF(%rip)
 #  else
 	cmpl	$0, __have_futex_clock_realtime
 #  endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
index 2eb8e29fa..5cc4256a5 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
@@ -118,7 +118,7 @@ __lll_robust_timedlock_wait:
 	cfi_startproc
 # ifndef __ASSUME_FUTEX_CLOCK_REALTIME
 #  ifdef __PIC__
-	cmpl	$0, __have_futex_clock_realtime(%rip)
+	cmpl	$0, __have_futex_clock_realtime@GOTOFF(%rip)
 #  else
 	cmpl	$0, __have_futex_clock_realtime
 #  endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
index 3a965ad0b..645436f99 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
@@ -98,7 +98,7 @@ __pthread_cond_timedwait:
 22:
 #ifndef __ASSUME_FUTEX_CLOCK_REALTIME
 #  ifdef __PIC__
-	cmpl	$0, __have_futex_clock_realtime(%rip)
+	cmpl	$0, __have_futex_clock_realtime@GOTOFF(%rip)
 #  else
 	cmpl	$0, __have_futex_clock_realtime
 #  endif
@@ -437,14 +437,6 @@ __pthread_cond_timedwait:
 	/* Only clocks 0 and 1 are allowed so far.  Both are handled in the
 	   kernel.  */
 	leaq	32(%rsp), %rsi
-#  ifdef SHARED
-	movq	__vdso_clock_gettime@GOTPCREL(%rip), %rax
-	movq	(%rax), %rax
-	PTR_DEMANGLE (%rax)
-	jz	26f
-	call	*%rax
-	jmp	27f
-#  endif
 26:	movl	$__NR_clock_gettime, %eax
 	syscall
 27:
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
index 3629ffbe5..15edd6149 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
@@ -96,7 +96,7 @@ pthread_rwlock_timedrdlock:
 11:
 #ifndef __ASSUME_FUTEX_CLOCK_REALTIME
 #  ifdef __PIC__
-	cmpl	$0, __have_futex_clock_realtime(%rip)
+	cmpl	$0, __have_futex_clock_realtime@GOTOFF(%rip)
 #  else
 	cmpl	$0, __have_futex_clock_realtime
 #  endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
index 23e1ee155..3c4a27912 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
@@ -93,7 +93,7 @@ pthread_rwlock_timedwrlock:
 11:
 #ifndef __ASSUME_FUTEX_CLOCK_REALTIME
 #  ifdef __PIC__
-	cmpl	$0, __have_futex_clock_realtime(%rip)
+	cmpl	$0, __have_futex_clock_realtime@GOTOFF(%rip)
 #  else
 	cmpl	$0, __have_futex_clock_realtime
 #  endif
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
index 704a2223a..3ff34120c 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
@@ -61,7 +61,7 @@ sem_timedwait:
 
 #ifndef __ASSUME_FUTEX_CLOCK_REALTIME
 #  ifdef __PIC__
-	cmpl	$0, __have_futex_clock_realtime(%rip)
+	cmpl	$0, __have_futex_clock_realtime@GOTOFF(%rip)
 #  else
 	cmpl	$0, __have_futex_clock_realtime
 #  endif
diff --git a/libpthread/nptl/unwind.c b/libpthread/nptl/unwind.c
index c7e01e764..671d70208 100644
--- a/libpthread/nptl/unwind.c
+++ b/libpthread/nptl/unwind.c
@@ -30,7 +30,7 @@
 #ifdef _STACK_GROWS_DOWN
 # define FRAME_LEFT(frame, other, adj) \
   ((uintptr_t) frame - adj >= (uintptr_t) other - adj)
-#elif _STACK_GROWS_UP
+#elif defined _STACK_GROWS_UP
 # define FRAME_LEFT(frame, other, adj) \
   ((uintptr_t) frame - adj <= (uintptr_t) other - adj)
 #else
@@ -117,6 +117,9 @@ unwind_cleanup (_Unwind_Reason_Code reason, struct _Unwind_Exception *exc)
 void
 attribute_protected
 __cleanup_fct_attribute __attribute ((noreturn))
+#if !defined SHARED && !defined IS_IN_libpthread
+weak_function
+#endif
 __pthread_unwind (__pthread_unwind_buf_t *buf)
 {
   struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;