Merge remote branch 'origin/master' into prelink

* origin/master:
  bump version to 0.9.32-rc2-git
  release 0.9.32-rc2
  nptl: Fix __USER_LABEL_PREFIX__ concatenatio
  nptl: fix start_thread() for _STACK_GROWS_UP
  ldso: get rid of _dl_lookup_hash
  Add protected symbols support for all architectures
  Revert "ldso/arm: Correct protected symbol resolution"
  Revert "ldso_sh: add support for protected symbols to SH"
  Revert "ldso/i386: support protected symbols"
  cris: Fix build issues
  syslog: fix 'everyone logs with user facility'
  __psfs_parse_spec: always use long int for %p
  buildsys: headers target should not depend on sysnum.h
  buildsys: fix make release target
  nptl: get rid of the last preprocessor warning when __ASSUME_TGKILL is not defined
  remove uClibc_ctype.h if !LOCALE
  Revert "Makefile.in: Add header to 'all' target"
  nptl: get rid of preprocessor warning when __ASSUME_TGKILL is not defined

Conflicts:
	ldso/include/dl-hash.h
	ldso/ldso/arm/elfinterp.c
	ldso/ldso/avr32/elfinterp.c
	ldso/ldso/bfin/elfinterp.c
	ldso/ldso/cris/elfinterp.c
	ldso/ldso/dl-hash.c
	ldso/ldso/i386/elfinterp.c
	ldso/ldso/m68k/elfinterp.c
	ldso/ldso/mips/elfinterp.c
	ldso/ldso/powerpc/elfinterp.c
	ldso/ldso/sh/elfinterp.c
	ldso/ldso/sh64/elfinterp.c
	ldso/ldso/sparc/elfinterp.c
	ldso/ldso/x86_64/elfinterp.c
	ldso/ldso/xtensa/elfinterp.c
	ldso/libdl/libdl.c

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

8 files changed, 20 insertions, 18 deletions

diff --git a/libpthread/nptl/allocatestack.c b/libpthread/nptl/allocatestack.c
index 9ffa7e7e2..1c549cee1 100644
--- a/libpthread/nptl/allocatestack.c
+++ b/libpthread/nptl/allocatestack.c
@@ -993,7 +993,7 @@ setxid_signal_thread (struct xid_command *cmdp, struct pthread *t)
 
   int val;
   INTERNAL_SYSCALL_DECL (err);
-#if __ASSUME_TGKILL
+#if defined (__ASSUME_TGKILL) && __ASSUME_TGKILL
   val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
 			  t->tid, SIGSETXID);
 #else
diff --git a/libpthread/nptl/pthreadP.h b/libpthread/nptl/pthreadP.h
index c45bd1170..fbac7d08f 100644
--- a/libpthread/nptl/pthreadP.h
+++ b/libpthread/nptl/pthreadP.h
@@ -274,6 +274,8 @@ __do_cancel (void)
 #define CANCEL_RESET(oldtype) \
   __pthread_disable_asynccancel (oldtype)
 
+#define __LABEL_PREFIX__ __stringify(__USER_LABEL_PREFIX__)
+
 #if !defined NOT_IN_libc
 /* Same as CANCEL_ASYNC, but for use in libc.so.  */
 # define LIBC_CANCEL_ASYNC() \
@@ -282,22 +284,22 @@ __do_cancel (void)
 # define LIBC_CANCEL_RESET(oldtype) \
   __libc_disable_asynccancel (oldtype)
 # define LIBC_CANCEL_HANDLED() \
-  __asm__ (".globl " __USER_LABEL_PREFIX__ "__libc_enable_asynccancel"); \
-  __asm__ (".globl " __USER_LABEL_PREFIX__ "__libc_disable_asynccancel")
+  __asm__ (".globl " __LABEL_PREFIX__ "__libc_enable_asynccancel"); \
+  __asm__ (".globl " __LABEL_PREFIX__ "__libc_disable_asynccancel")
 #elif defined NOT_IN_libc && defined IS_IN_libpthread
 # define LIBC_CANCEL_ASYNC() CANCEL_ASYNC ()
 # define LIBC_CANCEL_RESET(val) CANCEL_RESET (val)
 # define LIBC_CANCEL_HANDLED() \
-  __asm__ (".globl " __USER_LABEL_PREFIX__ "__pthread_enable_asynccancel"); \
-  __asm__ (".globl " __USER_LABEL_PREFIX__ "__pthread_disable_asynccancel")
+  __asm__ (".globl " __LABEL_PREFIX__ "__pthread_enable_asynccancel"); \
+  __asm__ (".globl " __LABEL_PREFIX__ "__pthread_disable_asynccancel")
 #elif defined NOT_IN_libc && defined IS_IN_librt
 # define LIBC_CANCEL_ASYNC() \
   __librt_enable_asynccancel ()
 # define LIBC_CANCEL_RESET(val) \
   __librt_disable_asynccancel (val)
 # define LIBC_CANCEL_HANDLED() \
-  __asm__ (".globl " __USER_LABEL_PREFIX__ "__librt_enable_asynccancel"); \
-  __asm__ (".globl " __USER_LABEL_PREFIX__ "__librt_disable_asynccancel")
+  __asm__ (".globl " __LABEL_PREFIX__ "__librt_enable_asynccancel"); \
+  __asm__ (".globl " __LABEL_PREFIX__ "__librt_disable_asynccancel")
 #else
 # define LIBC_CANCEL_ASYNC()	0 /* Just a dummy value.  */
 # define LIBC_CANCEL_RESET(val)	((void)(val)) /* Nothing, but evaluate it.  */
diff --git a/libpthread/nptl/pthread_cancel.c b/libpthread/nptl/pthread_cancel.c
index 4a958bcde..163fa0243 100644
--- a/libpthread/nptl/pthread_cancel.c
+++ b/libpthread/nptl/pthread_cancel.c
@@ -76,7 +76,7 @@ pthread_cancel (
 	     a signal handler.  But this is no allowed, pthread_cancel
 	     is not guaranteed to be async-safe.  */
 	  int val;
-#if __ASSUME_TGKILL
+#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
 	  val = INTERNAL_SYSCALL (tgkill, err, 3,
 				  THREAD_GETMEM (THREAD_SELF, pid), pd->tid,
 				  SIGCANCEL);
diff --git a/libpthread/nptl/pthread_create.c b/libpthread/nptl/pthread_create.c
index 63e5588d5..86ff1488b 100644
--- a/libpthread/nptl/pthread_create.c
+++ b/libpthread/nptl/pthread_create.c
@@ -379,11 +379,11 @@ start_thread (void *arg)
   /* Mark the memory of the stack as usable to the kernel.  We free
      everything except for the space used for the TCB itself.  */
   size_t pagesize_m1 = __getpagesize () - 1;
-#ifdef _STACK_GROWS_DOWN
   char *sp = CURRENT_STACK_FRAME;
+#ifdef _STACK_GROWS_DOWN
   size_t freesize = (sp - (char *) pd->stackblock) & ~pagesize_m1;
 #else
-# error "to do"
+  size_t freesize = ((char *) pd->stackblock - sp) & ~pagesize_m1;
 #endif
   assert (freesize < pd->stackblock_size);
   if (freesize > PTHREAD_STACK_MIN)
diff --git a/libpthread/nptl/sysdeps/pthread/createthread.c b/libpthread/nptl/sysdeps/pthread/createthread.c
index a676e277f..ce86f5f33 100644
--- a/libpthread/nptl/sysdeps/pthread/createthread.c
+++ b/libpthread/nptl/sysdeps/pthread/createthread.c
@@ -106,7 +106,7 @@ do_clone (struct pthread *pd, const struct pthread_attr *attr,
 		 send it the cancellation signal.  */
 	      INTERNAL_SYSCALL_DECL (err2);
 	    err_out:
-#if __ASSUME_TGKILL
+#if defined (__ASSUME_TGKILL) && __ASSUME_TGKILL
 	      (void) INTERNAL_SYSCALL (tgkill, err2, 3,
 				       THREAD_GETMEM (THREAD_SELF, pid),
 				       pd->tid, SIGCANCEL);
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c b/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c
index d256ebcb0..622bb66ca 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/pt-raise.c
@@ -28,7 +28,7 @@ int
 raise (
      int sig)
 {
-#if __ASSUME_TGKILL || defined __NR_tgkill
+#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
   /* raise is an async-safe function.  It could be called while the
      fork function temporarily invalidated the PID field.  Adjust for
      that.  */
@@ -37,7 +37,7 @@ raise (
     pid = -pid;
 #endif
 
-#if __ASSUME_TGKILL
+#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
   return INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
 			 sig);
 #else
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c b/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
index 3a70c3764..2d6bb8002 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
@@ -59,7 +59,7 @@ __pthread_kill (
      fork, it would have to happen in a signal handler.  But this is
      no allowed, pthread_kill is not guaranteed to be async-safe.  */
   int val;
-#if __ASSUME_TGKILL
+#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
   val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
 			  tid, signo);
 #else
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c b/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c
index da35cfe9f..708ed6d76 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/raise.c
@@ -30,7 +30,7 @@ raise (
      int sig)
 {
   struct pthread *pd = THREAD_SELF;
-#if __ASSUME_TGKILL || defined __NR_tgkill
+#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
   pid_t pid = THREAD_GETMEM (pd, pid);
 #endif
   pid_t selftid = THREAD_GETMEM (pd, tid);
@@ -45,13 +45,13 @@ raise (
 #endif
       THREAD_SETMEM (pd, tid, selftid);
 
-#if __ASSUME_TGKILL || defined __NR_tgkill
+#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
       /* We do not set the PID field in the TID here since we might be
 	 called from a signal handler while the thread executes fork.  */
       pid = selftid;
 #endif
     }
-#if __ASSUME_TGKILL || defined __NR_tgkill
+#if (defined(__ASSUME_TGKILL) && __ASSUME_TGKILL) || defined __NR_tgkill
   else
     /* raise is an async-safe function.  It could be called while the
        fork/vfork function temporarily invalidated the PID field.  Adjust for
@@ -60,7 +60,7 @@ raise (
       pid = (pid & INT_MAX) == 0 ? selftid : -pid;
 #endif
 
-#if __ASSUME_TGKILL
+#if defined(__ASSUME_TGKILL) && __ASSUME_TGKILL
   return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
 #else
 # ifdef __NR_tgkill