Merge commit 'origin/master' into fedora/master

ChangeLog

@@ -1,5 +1,111 @@
+2009-07-26  Ulrich Drepper  <drepper@redhat.com>
+
+	* sysdeps/x86_64/tst-xmmymm.sh: New file.  Check whether any of the
+	functions used in ld.so modify xmm/ymm registers.
+	* sysdeps/x86_64/Makefile:  Hook new test up.
+	* sysdeps/x86_64/rtld-memchr.c: New file.
+	* sysdeps/x86_64/rtld-memcmp.c: New file.
+	* sysdeps/x86_64/rtld-rawmemchr.c: New file.
+	* sysdeps/x86_64/rtld-strchr.S: New file.
+	* sysdeps/x86_64/rtld-strcmp.S: New file.
+	* sysdeps/x86_64/rtld-strlen.S: New file.
+	* sysdeps/x86_64/multiarch/rtld-rawmemchr.c: New file.
+	* sysdeps/x86_64/multiarch/rtld-strlen.S: New file.
+
+2009-07-26  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Remove
+	strncmp-c.
+	* sysdeps/x86_64/multiarch/strcmp.S (aftertail): Removed.
+	(exit): Likewise.
+	(Byte1): Likewise.
+	(Byte2): Likewise.
+	(Byte3): Likewise.
+	(Byte4): Likewise.
+	(Byte5): Likewise.
+	(Byte6): Likewise.
+	(next_8_bytes): Likewise.
+	(Byte0): Remove commented out codes.
+	(unaligned_table): Align jump table at 8 bytes.
+	Add _sse4_2 to all labels.  Always include "../strcmp.S".
+	* sysdeps/x86_64/multiarch/strncmp-c.c: Removed.
+	* sysdeps/x86_64/strcmp.S: Add SSE2 support.
+	* sysdeps/x86_64/strncmp.S: New file.
+
+2009-07-26  Ulrich Drepper  <drepper@redhat.com>
+
+	[BZ #10422]
+	* sysdeps/unix/sysv/linux/eventfd.c: Add compatibility for old
+	kernels, dropped when eventfd2 support was added.
+	* sysdeps/unix/sysv/linux/signalfd.c: Add compatibility for old
+	kernels, dropped when signalfd4 support was added.
+	* sysdeps/unix/sysv/linux/kernel-features.h: More CLOEXEC syscalls
+	added, name them.
+
+	[BZ #10452]
+	* resolv/res_send.c (send_dg): Pass full SERVFAIL, NOTIMP, REFUSED
+	replies up.
+
+	* elf/elf.h: Define NT_GNU_GOLD_VERSION.
+
+2009-07-25  Ulrich Drepper  <drepper@redhat.com>
+
+	* sysdeps/x86_64/multiarch/strcmp.S: Some more optimizations for
+	modern processor versions.  Patch by H.J. Lu <hongjiu.lu@intel.com>.
+
+	[BZ #10448]
+	* sysdeps/posix/getaddrinfo.c (gaih_inet): If NSS module contains no
+	callback we must touch the status to avoid using stale value.
+
+	* sysdeps/x86_64/multiarch/strcmp.S: Exclude unused code from being
+	compiled in.
+
+2009-07-24  Ulrich Drepper  <drepper@redhat.com>
+
+	* sysdeps/unix/sysv/linux/configure.in: Don't automatically include
+	/lib/modules/* headers anymore.  We have sane headers in the standard
+	place now.
+
+2009-06-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+	* sysdeps/s390/dl-procinfo.c (_dl_s390_cap_flags): "hpage",
+	"etf3enh" and "highgprs" added.
+	(_dl_s390_platforms): "z10" added.
+	* sysdeps/s390/dl-procinfo.h (_DL_HWCAP_COUNT, _DL_PLATFORMS_COUNT):
+	Increased for the new entries.
+	(HWCAP enum): HWCAP_S390_HPAGE, HWCAP_S390_ETF3EH and
+	HWCAP_S390_HIGH_GPRS added.
+
+	* sysdeps/s390/s390-64/Makefile: Adjusted to build the new modules.
+	* sysdeps/s390/s390-64/iso-8859-1_cp037_z900.c: New file.
+	* sysdeps/s390/s390-64/utf16-utf32-z9.c: New file.
+	* sysdeps/s390/s390-64/utf8-utf16-z9.c: New file.
+	* sysdeps/s390/s390-64/utf8-utf32-z9.c: New file.
+
 2009-07-23  Ulrich Drepper  <drepper@redhat.com>
 
+	* sysdeps/x86_64/cacheinfo.c [USE_MULTIARCH]: Rearrange code to
+	avoid additional cpuid instructions.  Most of the information is
+	stored somewhere.
+
+	* sysdeps/unix/sysv/linux/i386/sysconf.c (intel_02_known): Add more
+	cache descriptors.
+	* sysdeps/x86_64/cacheinfo.c (intel_02_known): Likewise.
+
+	* sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features): Reset
+	SSSE3 bit for Atoms.
+	* sysdeps/x86_64/multiarch/strcpy.S: New need to perform Atom test
+	here anymore.
+
+	* posix/tst-rfc3484.c (do_test): Initialize entire sockaddr_in
+	structure before copying it to avoid warning.
+	* posix/tst-rfc3484-2.c (do_test): Likewise.
+	* posix/tst-rfc3484-3.c (do_test): Likewise.
+
+	[BZ #10416]
+	* include/unistd.h: Make header file suitable for C++ test cases.
+	Patch by Duncan Simpson <dps@simpson.demon.co.uk>.
+
 	* sysdeps/unix/sysv/linux/i386/makecontext.S: Ensure we preserve the
 	stack alignment in the exit code.
 

elf/elf.h

@@ -1054,6 +1054,9 @@ typedef struct
    The descriptor consists of any nonzero number of bytes.  */
 #define NT_GNU_BUILD_ID	3
 
+/* Version note generated by GNU gold containing a version string.  */
+#define NT_GNU_GOLD_VERSION	4
+
 
 /* Move records.  */
 typedef struct

include/unistd.h

@@ -1,6 +1,8 @@
 #ifndef _UNISTD_H
 # include <posix/unistd.h>
 
+__BEGIN_DECLS
+
 libc_hidden_proto (_exit, __noreturn__)
 libc_hidden_proto (alarm)
 libc_hidden_proto (confstr)
@@ -174,4 +176,6 @@ extern int __have_sock_cloexec;
    unless it is really necessary.  */
 #define __have_pipe2 __have_sock_cloexec
 
+__END_DECLS
+
 #endif

nptl/ChangeLog

@@ -1,3 +1,17 @@
+2009-07-26  Ulrich Drepper  <drepper@redhat.com>
+
+	[BZ #10418]
+	* pthread_mutex_lock.c (pthread_mutex_lock): Use _rel instead of of
+	_acq variants of cmpxchg.
+	* pthread_mutex_timedlock.c (pthread_mutex_timedlock): Likewise.
+
+2009-07-23  Ulrich Drepper  <drepper@redhat.com>
+
+	* sysdeps/x86_64/configure.in: New file.
+
+	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: Fix error
+	path when not using absolute timeout futex.
+
 2009-07-20  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: Minor

nptl/pthread_mutex_lock.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2007, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2007, 2008, 2009 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -160,7 +160,7 @@ __pthread_mutex_lock_full (pthread_mutex_t *mutex)
 #endif
 
 	      newval
-		= atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
+		= atomic_compare_and_exchange_val_rel (&mutex->__data.__lock,
 						       newval, oldval);
 
 	      if (newval != oldval)
@@ -285,7 +285,7 @@ __pthread_mutex_lock_full (pthread_mutex_t *mutex)
 #ifdef NO_INCR
 	newval |= FUTEX_WAITERS;
 #endif
-	oldval = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
+	oldval = atomic_compare_and_exchange_val_rel (&mutex->__data.__lock,
 						      newval, 0);
 
 	if (oldval != 0)
@@ -420,7 +420,7 @@ __pthread_mutex_lock_full (pthread_mutex_t *mutex)
 	    oldprio = ceiling;
 
 	    oldval
-	      = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
+	      = atomic_compare_and_exchange_val_rel (&mutex->__data.__lock,
 #ifdef NO_INCR
 						     ceilval | 2,
 #else
@@ -434,7 +434,7 @@ __pthread_mutex_lock_full (pthread_mutex_t *mutex)
 	    do
 	      {
 		oldval
-		  = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
+		  = atomic_compare_and_exchange_val_rel (&mutex->__data.__lock,
 							 ceilval | 2,
 							 ceilval | 1);
 
@@ -445,7 +445,7 @@ __pthread_mutex_lock_full (pthread_mutex_t *mutex)
 		  lll_futex_wait (&mutex->__data.__lock, ceilval | 2,
 				  PTHREAD_MUTEX_PSHARED (mutex));
 	      }
-	    while (atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
+	    while (atomic_compare_and_exchange_val_rel (&mutex->__data.__lock,
 							ceilval | 2, ceilval)
 		   != ceilval);
 	  }

nptl/pthread_mutex_timedlock.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2007, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2007, 2008, 2009 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -126,7 +126,7 @@ pthread_mutex_timedlock (mutex, abstime)
 	      int newval = id | (oldval & FUTEX_WAITERS);
 
 	      newval
-		= atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
+		= atomic_compare_and_exchange_val_rel (&mutex->__data.__lock,
 						       newval, oldval);
 	      if (newval != oldval)
 		{
@@ -246,7 +246,7 @@ pthread_mutex_timedlock (mutex, abstime)
 	      }
 	  }
 
-	oldval = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
+	oldval = atomic_compare_and_exchange_val_rel (&mutex->__data.__lock,
 						      id, 0);
 
 	if (oldval != 0)
@@ -404,7 +404,7 @@ pthread_mutex_timedlock (mutex, abstime)
 	    oldprio = ceiling;
 
 	    oldval
-	      = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
+	      = atomic_compare_and_exchange_val_rel (&mutex->__data.__lock,
 						     ceilval | 1, ceilval);
 
 	    if (oldval == ceilval)
@@ -413,7 +413,7 @@ pthread_mutex_timedlock (mutex, abstime)
 	    do
 	      {
 		oldval
-		  = atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
+		  = atomic_compare_and_exchange_val_rel (&mutex->__data.__lock,
 							 ceilval | 2,
 							 ceilval | 1);
 
@@ -456,7 +456,7 @@ pthread_mutex_timedlock (mutex, abstime)
 					  PTHREAD_MUTEX_PSHARED (mutex));
 		  }
 	      }
-	    while (atomic_compare_and_exchange_val_acq (&mutex->__data.__lock,
+	    while (atomic_compare_and_exchange_val_rel (&mutex->__data.__lock,
 							ceilval | 2, ceilval)
 		   != ceilval);
 	  }

nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S

@@ -551,12 +551,12 @@ __pthread_cond_timedwait:
 	jne	53b
 
 	cmpq	24(%rsp), %r9
-	jbe	45b
+	jbe	15f
 
 	cmpq	%rax, %r9
 	ja	39b
 
-	cmpq	$-ETIMEDOUT, %r14
+15:	cmpq	$-ETIMEDOUT, %r14
 	jne	8b
 
 	jmp	99b

nptl/sysdeps/x86_64/configure

@@ -0,0 +1,36 @@
+# This file is generated from configure.in by Autoconf.  DO NOT EDIT!
+ # Local configure fragment for sysdeps/i386.
+
+{ echo "$as_me:$LINENO: checking for .cfi_personality and .cfi_lsda pseudo-ops" >&5
+echo $ECHO_N "checking for .cfi_personality and .cfi_lsda pseudo-ops... $ECHO_C" >&6; }
+if test "${libc_cv_asm_cfi_personality+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+    cat > conftest.s <<EOF
+${libc_cv_dot_text}
+foo:
+	.cfi_startproc
+	.cfi_personality 0, foo
+	.cfi_lsda 0, foo
+	.cfi_endproc
+EOF
+  if { ac_try='${CC-cc} $ASFLAGS -c conftest.s 1>&5'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+    libc_cv_asm_cfi_personality=yes
+  else
+    libc_cv_asm_cfi_personality=no
+  fi
+  rm -f conftest*
+
+fi
+{ echo "$as_me:$LINENO: result: $libc_cv_asm_cfi_personality" >&5
+echo "${ECHO_T}$libc_cv_asm_cfi_personality" >&6; }
+if test x"$libc_cv_asm_cfi_personality" != xyes; then
+  { { echo "$as_me:$LINENO: error: assembler too old, .cfi_personality support missing" >&5
+echo "$as_me: error: assembler too old, .cfi_personality support missing" >&2;}
+   { (exit 1); exit 1; }; }
+fi

nptl/sysdeps/x86_64/configure.in

@@ -0,0 +1,23 @@
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/i386.
+
+AC_CACHE_CHECK([for .cfi_personality and .cfi_lsda pseudo-ops],
+	       libc_cv_asm_cfi_personality, [dnl
+  cat > conftest.s <<EOF
+${libc_cv_dot_text}
+foo:
+	.cfi_startproc
+	.cfi_personality 0, foo
+	.cfi_lsda 0, foo
+	.cfi_endproc
+EOF
+  if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
+    libc_cv_asm_cfi_personality=yes
+  else
+    libc_cv_asm_cfi_personality=no
+  fi
+  rm -f conftest*
+])
+if test x"$libc_cv_asm_cfi_personality" != xyes; then
+  AC_MSG_ERROR([assembler too old, .cfi_personality support missing])
+fi

posix/tst-rfc3484-2.c

@@ -82,6 +82,8 @@ do_test (void)
   struct sockaddr_in so1;
   so1.sin_family = AF_INET;
   so1.sin_addr.s_addr = h (0xc0a85f19);
+  /* Clear the rest of the structure to avoid warnings.  */
+  memset (so1.sin_zero, '\0', sizeof (so1.sin_zero));
 
   struct sockaddr_in sa1;
   sa1.sin_family = AF_INET;

posix/tst-rfc3484-3.c

@@ -113,6 +113,8 @@ do_test (void)
   struct sockaddr_in so;
   so.sin_family = AF_INET;
   so.sin_addr.s_addr = h (0x0aa85f19);
+  /* Clear the rest of the structure to avoid warnings.  */
+  memset (so.sin_zero, '\0', sizeof (so.sin_zero));
 
   for (int i = 0; i < naddrs; ++i)
     {

posix/tst-rfc3484.c

@@ -102,6 +102,8 @@ do_test (void)
   struct sockaddr_in so;
   so.sin_family = AF_INET;
   so.sin_addr.s_addr = h (0xc0a85f19);
+  /* Clear the rest of the structure to avoid warnings.  */
+  memset (so.sin_zero, '\0', sizeof (so.sin_zero));
 
   for (int i = 0; i < naddrs; ++i)
     {

resolv/res_send.c

@@ -1278,14 +1278,10 @@ send_dg(res_state statp,
 				? *thisanssiz : *thisresplen);
 
 			if (recvresp1 || (buf2 != NULL && recvresp2))
-			  {
-			    *resplen2 = 1;
-			    return resplen;
-			  }
+			  return resplen;
 			if (buf2 != NULL)
 			  {
 			    /* We are waiting for a possible second reply.  */
-			    resplen = 1;
 			    if (hp->id == anhp->id)
 			      recvresp1 = 1;
 			    else

sysdeps/posix/getaddrinfo.c

@@ -833,6 +833,8 @@ gaih_inet (const char *name, const struct gaih_service *service,
 			       && inet6_status != NSS_STATUS_UNAVAIL)
 			status = inet6_status;
 		    }
+		  else
+		    status = NSS_STATUS_UNAVAIL;
 		}
 
 	      if (nss_next_action (nip, status) == NSS_ACTION_RETURN)