Fixed pthread_spin_lock on sparc32/64 (bug 16882)

[BZ #16882]
	* nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S
	(pthread_spin_lock): Branch out of spin loop to proper location.
	* nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S
	(pthread_spin_lock): Likewise.

	* nptl/tst-spin4.c: New test.
	* nptl/Makefile (tests): Add tst-spin4.

ChangeLog

@@ -1,3 +1,100 @@
+2014-06-03  Guo Yixuan  <culu.gyx@gmail.com>
+
+	[BZ #16882]
+	* nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S
+	(pthread_spin_lock): Branch out of spin loop to proper location.
+	* nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S
+	(pthread_spin_lock): Likewise.
+
+	* nptl/tst-spin4.c: New test.
+	* nptl/Makefile (tests): Add tst-spin4.
+
+2014-05-17  Jose E. Marchesi  <jose.marchesi@oracle.com>
+
+	[BZ #16958]
+	* sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S: Add missing
+	membar to avoid block loads/stores to overlap previous stores.
+
+2014-05-16  Aurelien Jarno  <aurelien@aurel32.net>
+
+	[BZ #16943]
+	* sysdeps/unix/sysv/linux/sparc/bits/resource.h: Declare prlimit
+	and prlimit64.
+
+2014-05-06  Aurelien Jarno  <aurelien@aurel32.net>
+
+        [BZ# 16916]
+        * sysdeps/unix/sysv/linux/sparc/bits/eventfd.h (EFD_SEMAPHORE):
+        Define.
+
+2014-05-01  David S. Miller  <davem@davemloft.net>
+
+	[BZ #16885]
+	* sysdeps/sparc/sparc64/strcmp.S: Fix end comparison handling when
+	multiple zero bytes exist at the end of a string.
+	Reported by Aurelien Jarno <aurelien@aurel32.net>
+
+	* string/test-strcmp.c (check): Add explicit test for situations where
+	there are multiple zero bytes after the first.
+
+2014-01-29  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #16510]
+	* sysdeps/x86/fpu/bits/mathinline.h: Check __SSE2_MATH__ instead
+	of __x86_64__ when disabling x87 inline functions.
+
+2014-01-04  Maxim Kuvyrkov  <maxim@kugelworks.com>
+	    Ondřej Bílka  <neleai@seznam.cz>
+
+	[BZ #15073]
+	* malloc/malloc.c (_int_free): Perform sanity check only if we
+        have_lock.
+
+2013-02-08  Carlos O'Donell  <carlos@redhat.com>
+
+	[BZ #15006]
+	* sysdeps/generic/ldconfig.h: Define FLAG_ARM_LIBSF.
+	* elf/cache.c (print_entry): Add FLAG_ARM_LIBSF support.
+
+2013-03-30  David S. Miller  <davem@davemloft.net>
+
+	* po/de.po: Update from translation team.
+
+2013-01-31  David S. Miller  <davem@davemloft.net>
+
+	* po/de.po: Update from translation team.
+
+2013-01-11  Andreas Jaeger  <aj@suse.de>
+
+	[BZ #15003]
+	* sysdeps/unix/sysv/linux/bits/socket.h (MSG_FASTOPEN): New
+	value. Sync with Linux 3.7.
+
+2013-01-09  David S. Miller  <davem@davemloft.net>
+
+	[BZ# 15003]
+	* sysdeps/gnu/netinet/tcp.h (TCP_COOKIE_TRANSACTIONS,
+	TCP_THIN_LINEAR_TIMEOUTS, TCP_THIN_DUPACK, TCP_USER_TIMEOUT,
+	TCP_REPAIR, TCP_REPAIR_QUEUE, TCP_QUEUE_SEQ, TCP_REPAIR_OPTIONS,
+	TCP_FASTOPEN): Define.
+	(tcp_repair_opt): New structure.
+	(TCP_NO_QUEUE, TCP_RECV_QUEUE, TCP_SEND_QUEUE, TCP_QUEUES_NR): New
+	enum values.
+	(TCP_COOKIE_MIN, TCP_COOKIE_MAX, TCP_COOKIE_PAIR_SIZE,
+	TCP_COOKIE_IN_ALWAYS, TCP_COOKIE_OUT_NEVER, TCP_S_DATA_IN,
+	TCP_S_DATA_OUT, TCP_MSS_DEFAULT, TCP_MSS_DESIRED): Define.
+	(tcp_cookie_transactions): New structure.
+
+2013-01-09  Andreas Jaeger  <aj@suse.de>
+
+	* sysdeps/gnu/netinet/tcp.h (TCPI_OPT_SYN_DATA)
+	(TCPI_OPT_ECN_SEEN): Define.  Sync with Linux 3.7.
+
+2013-01-01  David S. Miller  <davem@davemloft.net>
+
+	* po/fr.po: Update from translation team.
+	* po/ca.po: Likewise.
+
 2012-12-21  David S. Miller  <davem@davemloft.net>
 
 	* po/hr.po: Update from translation team.

NEWS

@@ -4,6 +4,12 @@ See the end for copying conditions.
 
 Please send GNU C library bug reports via <http://sourceware.org/bugzilla/>
 using `glibc' in the "product" field.
+
+Version 2.17.1
+
+* The following bugs are resolved with this release:
+  15003, 15006, 15073, 15122, 15759, 16510, 16885, 16916, 16943, 16958.
+
 
 Version 2.17
 
@@ -23,7 +29,7 @@ Version 2.17
   14767, 14783, 14784, 14785, 14793, 14796, 14797, 14801, 14803, 14805,
   14807, 14811, 14815, 14821, 14822, 14824, 14828, 14831, 14833, 14835,
   14838, 14856, 14863, 14865, 14866, 14868, 14869, 14871, 14872, 14879,
-  14889, 14893, 14898, 14914.
+  14889, 14893, 14898, 14914, 16882.
 
 * Optimization of memcpy for MIPS.
 
@@ -103,23 +109,23 @@ Version 2.16
   4822, 5077, 5461, 5805, 5993, 6471, 6486, 6578, 6649, 6730, 6770, 6794,
   6884, 6890, 6894, 6895, 6907, 6911, 6959, 7064, 9739, 9902, 10110, 10135,
   10140, 10153, 10210, 10254, 10346, 10375, 10545, 10716, 10846, 11174,
-  11322, 11365, 11451, 11494, 11521, 11677, 11837, 11959, 12047, 12097,
-  12193, 12194, 12297, 12298, 12301, 12340, 12354, 12416, 12495, 13058,
-  13223, 13361, 13525, 13526, 13527, 13528, 13529, 13530, 13531, 13532,
-  13533, 13547, 13551, 13552, 13553, 13555, 13556, 13559, 13563, 13566,
-  13576, 13579, 13583, 13592, 13594, 13613, 13618, 13637, 13656, 13658,
-  13673, 13691, 13695, 13704, 13705, 13706, 13718, 13726, 13738, 13739,
-  13743, 13750, 13758, 13760, 13761, 13775, 13786, 13787, 13792, 13806,
-  13824, 13840, 13841, 13844, 13846, 13848, 13851, 13852, 13854, 13871,
-  13872, 13873, 13879, 13882, 13883, 13884, 13885, 13886, 13892, 13895,
-  13908, 13910, 13911, 13912, 13913, 13914, 13915, 13916, 13917, 13918,
-  13919, 13920, 13921, 13922, 13923, 13924, 13926, 13927, 13928, 13938,
-  13941, 13942, 13954, 13955, 13956, 13963, 13967, 13968, 13970, 13973,
-  13979, 13983, 13986, 13996, 14012, 14027, 14033, 14034, 14036, 14040,
-  14043, 14044, 14048, 14049, 14050, 14053, 14055, 14059, 14064, 14075,
-  14080, 14083, 14103, 14104, 14109, 14112, 14117, 14122, 14123, 14134,
-  14153, 14183, 14188, 14199, 14210, 14218, 14229, 14241, 14273, 14277,
-  14278.
+  11261, 11322, 11365, 11451, 11494, 11521, 11677, 11837, 11959, 12047,
+  12097, 12193, 12194, 12297, 12298, 12301, 12340, 12354, 12416, 12495,
+  13058, 13223, 13361, 13525, 13526, 13527, 13528, 13529, 13530, 13531,
+  13532, 13533, 13547, 13551, 13552, 13553, 13555, 13556, 13559, 13563,
+  13566, 13576, 13579, 13583, 13592, 13594, 13613, 13618, 13637, 13656,
+  13658, 13673, 13691, 13695, 13704, 13705, 13706, 13718, 13726, 13738,
+  13739, 13743, 13750, 13758, 13760, 13761, 13775, 13786, 13787, 13792,
+  13806, 13824, 13840, 13841, 13844, 13846, 13848, 13851, 13852, 13854,
+  13871, 13872, 13873, 13879, 13882, 13883, 13884, 13885, 13886, 13892,
+  13895, 13908, 13910, 13911, 13912, 13913, 13914, 13915, 13916, 13917,
+  13918, 13919, 13920, 13921, 13922, 13923, 13924, 13926, 13927, 13928,
+  13938, 13941, 13942, 13954, 13955, 13956, 13963, 13967, 13968, 13970,
+  13973, 13979, 13983, 13986, 13996, 14012, 14027, 14033, 14034, 14036,
+  14040, 14043, 14044, 14048, 14049, 14050, 14053, 14055, 14059, 14064,
+  14075, 14080, 14083, 14103, 14104, 14109, 14112, 14117, 14122, 14123,
+  14134, 14153, 14183, 14188, 14199, 14210, 14218, 14229, 14241, 14273,
+  14277, 14278.
 
 * Support for the x32 ABI on x86-64 added.  The x32 target is selected by
   configuring glibc with:

elf/cache.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2012 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 1999.
 
@@ -100,6 +100,10 @@ print_entry (const char *lib, int flag, unsigned int osversion,
     case FLAG_AARCH64_LIB64:
       fputs (",AArch64", stdout);
       break;
+    /* Uses the ARM soft-float ABI.  */
+    case FLAG_ARM_LIBSF:
+      fputs (",soft-float", stdout);
+      break;
     case 0:
       break;
     default:

malloc/malloc.c

@@ -3816,25 +3816,29 @@ _int_free(mstate av, mchunkptr p, int have_lock)
     unsigned int idx = fastbin_index(size);
     fb = &fastbin (av, idx);
 
-    mchunkptr fd;
-    mchunkptr old = *fb;
+    /* Atomically link P to its fastbin: P->FD = *FB; *FB = P;  */
+    mchunkptr old = *fb, old2;
     unsigned int old_idx = ~0u;
     do
       {
-	/* Another simple check: make sure the top of the bin is not the
-	   record we are going to add (i.e., double free).  */
+	/* Check that the top of the bin is not the record we are going to add
+	   (i.e., double free).  */
 	if (__builtin_expect (old == p, 0))
 	  {
 	    errstr = "double free or corruption (fasttop)";
 	    goto errout;
 	  }
-	if (old != NULL)
+	/* Check that size of fastbin chunk at the top is the same as
+	   size of the chunk that we are adding.  We can dereference OLD
+	   only if we have the lock, otherwise it might have already been
+	   deallocated.  See use of OLD_IDX below for the actual check.  */
+	if (have_lock && old != NULL)
 	  old_idx = fastbin_index(chunksize(old));
-	p->fd = fd = old;
+	p->fd = old2 = old;
       }
-    while ((old = catomic_compare_and_exchange_val_rel (fb, p, fd)) != fd);
+    while ((old = catomic_compare_and_exchange_val_rel (fb, p, old2)) != old2);
 
-    if (fd != NULL && __builtin_expect (old_idx != idx, 0))
+    if (have_lock && old != NULL && __builtin_expect (old_idx != idx, 0))
       {
 	errstr = "invalid fastbin entry (free)";
 	goto errout;

nptl/Makefile

@@ -207,7 +207,7 @@ tests = tst-typesizes \
 	tst-mutexpi1 tst-mutexpi2 tst-mutexpi3 tst-mutexpi4 tst-mutexpi5 \
 	tst-mutexpi5a tst-mutexpi6 tst-mutexpi7 tst-mutexpi7a tst-mutexpi8 \
 	tst-mutexpi9 \
-	tst-spin1 tst-spin2 tst-spin3 \
+	tst-spin1 tst-spin2 tst-spin3 tst-spin4 \
 	tst-cond1 tst-cond2 tst-cond3 tst-cond4 tst-cond5 tst-cond6 tst-cond7 \
 	tst-cond8 tst-cond9 tst-cond10 tst-cond11 tst-cond12 tst-cond13 \
 	tst-cond14 tst-cond15 tst-cond16 tst-cond17 tst-cond18 tst-cond19 \

nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S

@@ -19,11 +19,11 @@
 
 	.text
 ENTRY(pthread_spin_lock)
-	ldstub		[%o0], %g1
+1:	ldstub		[%o0], %g1
 	orcc		%g1, 0x0, %g0
 	bne,a		2f
 	 ldub		[%o0], %g1
-1:	retl
+	retl
 	 mov		0, %o0
 2:	orcc		%g1, 0x0, %g0
 	bne,a		2b

nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S

@@ -19,10 +19,10 @@
 
 	.text
 ENTRY(pthread_spin_lock)
-	ldstub		[%o0], %g1
+1:	ldstub		[%o0], %g1
 	brnz,pn		%g1, 2f
 	 membar		#StoreLoad | #StoreStore
-1:	retl
+	retl
 	 mov		0, %o0
 2:	ldub		[%o0], %g1
 	brnz,pt		%g1, 2b

nptl/tst-spin4.c

@@ -0,0 +1,109 @@
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+
+static int count = 0;
+
+static void *
+thread_add_one (void *arg)
+{
+  int tmp;
+  pthread_spinlock_t *lock = (pthread_spinlock_t *) arg;
+
+  /* When do_test holds the lock for 1 sec, the two thread will be
+     in contention for the lock. */
+  if (pthread_spin_lock (lock) != 0)
+    {
+      puts ("thread_add_one(): spin_lock failed");
+      pthread_exit ((void *) 1l);
+    }
+
+  /* sleep 1s before modifying count */
+  tmp = count;
+  sleep (1);
+  count = tmp + 1;
+
+  if (pthread_spin_unlock (lock) != 0)
+    {
+      puts ("thread_add_one(): spin_unlock failed");
+      pthread_exit ((void *) 1l);
+    }
+
+  return NULL;
+}
+
+static int
+do_test (void)
+{
+  pthread_t thr1, thr2;
+  pthread_spinlock_t lock;
+  int tmp;
+
+  if (pthread_spin_init (&lock, PTHREAD_PROCESS_PRIVATE) != 0)
+    {
+      puts ("spin_init failed");
+      return 1;
+    }
+
+  if (pthread_spin_lock (&lock) != 0)
+    {
+      puts ("1st spin_lock failed");
+      return 1;
+    }
+
+  if (pthread_create (&thr1, NULL, thread_add_one, (void *) &lock) != 0)
+    {
+      puts ("1st pthread_create failed");
+      return 1;
+    }
+
+  if (pthread_create (&thr2, NULL, thread_add_one, (void *) &lock) != 0)
+    {
+      puts ("2nd pthread_create failed");
+      return 1;
+    }
+
+  /* sleep 1s before modifying count */
+  tmp = count;
+  sleep (1);
+  count = tmp + 1;
+
+  if (pthread_spin_unlock (&lock) != 0)
+    {
+      puts ("1st spin_unlock failed");
+      return 1;
+    }
+
+  void *status;
+  if (pthread_join (thr1, &status) != 0)
+    {
+      puts ("1st pthread_join failed");
+      return 1;
+    }
+  if (status != NULL)
+    {
+      puts ("failure in the 1st thread");
+      return 1;
+    }
+  if (pthread_join (thr2, &status) != 0)
+    {
+      puts ("2nd pthread_join failed");
+      return 1;
+    }
+  if (status != NULL)
+    {
+      puts ("failure in the 2nd thread");
+      return 1;
+    }
+
+  if (count != 3)
+    {
+      printf ("count is %d, should be 3\n", count);
+      return 1;
+    }
+  return 0;
+}
+
+#define TIMEOUT 5
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"

po/de.po

@@ -2,13 +2,13 @@
 # Copyright © 1996, 2002 Free Software Foundation, Inc.
 # This file is distributed under the same license as the glibc package.
 # Karl Eichwalder <ke@suse.de>, 2002.
-# Jochen Hein <jochen@jochen.org>, 1996-2012.
+# Jochen Hein <jochen@jochen.org>, 1996-2013.
 #
 msgid ""
 msgstr ""
 "Project-Id-Version: GNU libc 2.17-pre1\n"
 "POT-Creation-Date: 2012-12-07 15:10-0500\n"
-"PO-Revision-Date: 2012-12-08 15:07+0100\n"
+"PO-Revision-Date: 2013-03-30 16:56+0100\n"
 "Last-Translator: Jochen Hein <jochen@jochen.org>\n"
 "Language-Team: German <translation-team-de@lists.sourceforge.net>\n"
 "Language: de\n"
@@ -791,7 +791,7 @@ msgstr "%s ist ein unbekannter Bibliothekstyp"
 #: elf/ldconfig.c:409
 #, c-format
 msgid "Can't stat %s"
-msgstr "Kann »stat()« für »%s« nicht aufrufenen"
+msgstr "Kann »stat()« für »%s« nicht aufrufen"
 
 #: elf/ldconfig.c:483
 #, c-format
@@ -988,7 +988,7 @@ msgstr "Warnung: Sie haben kein Ausführungsrecht für"
 
 #: elf/ldd.bash.in:183
 msgid "\tnot a dynamic executable"
-msgstr "\\tdas Programm ist nicht dynamisch gelinkt"
+msgstr "\tdas Programm ist nicht dynamisch gelinkt"
 
 # XXX need to look at source
 #: elf/ldd.bash.in:191

ports/ChangeLog.arm

@@ -1,3 +1,12 @@
+2013-02-08  Carlos O'Donell  <carlos@redhat.com>
+
+	[BZ #15006]
+	* sysdeps/unix/sysv/linux/arm/dl-cache.h
+	[__ARM_PCS_VFP] (_dl_cache_check_flags): Allow plain FLAG_ELF_LIBC6.
+	[!__ARM_PCS_VFP] (_dl_cache_check_flags): Likewise.
+	* sysdeps/unix/sysv/linux/arm/readelflib.c (process_elf_file):
+	Set FLAG_ARM_LIBSF for soft-float ABI otherwise just FLAG_ELF_LIBC6.
+
 2012-12-04  Steve McIntyre  <steve.mcintyre@linaro.org>
 
 	* sysdeps/unix/sysv/linux/arm/dl-cache.h: New file.

ports/ChangeLog.tile

@@ -1,3 +1,22 @@
+2013-07-22  Chris Metcalf  <cmetcalf@tilera.com>
+
+	[BZ #15759]
+	* sysdeps/tile/dl-runtime.c (sim_dlclose): New function.
+	(_dl_unmap): Call sim_dlclose().
+
+2013-06-12  Chris Metcalf  <cmetcalf@tilera.com>
+
+	* sysdeps/tile/bits/endian.h (__BYTE_ORDER): Default to little.
+
+2013-05-23  Chris Metcalf  <cmetcalf@tilera.com>
+
+	* sysdeps/tile/tilegx/Makefile ($(cflags-mcmodel-large)):
+	Test for assembler and linker support for "-mcmodel=large -fpic"
+	in addition to compiler support; provide -DNO_PLT_PCREL if not.
+	* sysdeps/tile/start.S [NO_PLT_PCREL]: Guard for no PC-relative
+	PLT operators in assembly.
+	* sysdeps/tile/crti.S [NO_PLT_PCREL]: Likewise.
+
 2012-12-14  Chris Metcalf  <cmetcalf@tilera.com>
 
 	* sysdeps/unix/sysv/linux/tile/nptl/clone.S: Fix DWARF info.

ports/sysdeps/tile/bits/endian.h

@@ -6,8 +6,6 @@
 
 #if defined __BIG_ENDIAN__
 # define __BYTE_ORDER __BIG_ENDIAN
-#elif defined __LITTLE_ENDIAN__
-# define __BYTE_ORDER __LITTLE_ENDIAN
 #else
-# error "Endianness not declared!!"
+# define __BYTE_ORDER __LITTLE_ENDIAN
 #endif

ports/sysdeps/tile/crti.S

@@ -95,7 +95,7 @@ _init:
 	LD_PTR r0, r0
 	BEQZ r0, .Lno_weak_fn
 	jalr r0
-#elif defined(__tilegx__)
+#elif defined(__tilegx__) && !defined(NO_PLT_PCREL)
 	/* Since we are calling from the start of the object to the PLT,
 	   call by loading the full address into a register.  */
 	lnk r2

ports/sysdeps/tile/dl-runtime.c

@@ -127,8 +127,8 @@ _dl_after_load (struct link_map *l)
 }
 
 /* Support notifying the simulator about removed objects prior to munmap().  */
-void internal_function
-_dl_unmap (struct link_map *l)
+static void
+sim_dlclose (ElfW(Addr) map_start)
 {
   int shift;
 
@@ -144,9 +144,15 @@ _dl_unmap (struct link_map *l)
   DLPUTC ('0');
   DLPUTC ('x');
   for (shift = (int) sizeof (unsigned long) * 8 - 4; shift >= 0; shift -= 4)
-    DLPUTC ("0123456789abcdef"[(l->l_map_start >> shift) & 0xF]);
+    DLPUTC ("0123456789abcdef"[(map_start >> shift) & 0xF]);
   DLPUTC ('\0');
-#undef DLPUTC
 
+#undef DLPUTC
+}
+
+void internal_function
+_dl_unmap (struct link_map *l)
+{
+  sim_dlclose (l->l_map_start);
   __munmap ((void *) l->l_map_start, l->l_map_end - l->l_map_start);
 }

ports/sysdeps/tile/start.S

@@ -62,6 +62,13 @@
 #include <sysdep.h>
 #include <arch/abi.h>
 
+/* Just create no-ops if we don't support PC-relative PLT relocations. */
+#ifdef NO_PLT_PCREL
+# define hw2_last_plt(x)	0
+# define hw1_plt(x)		0
+# define hw0_plt(x)		0
+#endif
+
 	.text
 	.global _start
 	.type   _start,@function
@@ -155,7 +162,11 @@ _start:
 	}
 	{
 	 ADD_PTR r4, r4, r13
-	 jalr r12
+# ifdef NO_PLT_PCREL
+	 j plt(__libc_start_main)
+# else
+	 jr r12
+# endif
 	}
 #else
 	 addli r0, r13, lo16(main - .Lmy_pc)

ports/sysdeps/tile/tilegx/Makefile

@@ -1,12 +1,16 @@
 include $(common-objpfx)cflags-mcmodel-large.mk
 
+# Check for gcc to support the command-line switch, and for
+# binutils to support the hwN_plt() assembly operators and relocations.
 $(common-objpfx)cflags-mcmodel-large.mk: $(common-objpfx)config.make
 	mcmodel=no; \
-	$(CC) -S -o /dev/null -xc /dev/null -mcmodel=large && mcmodel=yes; \
+	(echo 'int main() { return getuid(); }' | \
+	 $(CC) -o /dev/null -xc - -mcmodel=large -fpic) && mcmodel=yes; \
 	echo "cflags-mcmodel-large = $$mcmodel" > $@
 
-ifeq ($(subdir),csu)
 ifeq (yes,$(cflags-mcmodel-large))
+
+ifeq ($(subdir),csu)
 # elf-init.c is in libc_nonshared.o (the end of the shared object) but
 # must reach the _init symbol at the very start of the shared object.
 CFLAGS-elf-init.c += -mcmodel=large
@@ -15,4 +19,17 @@ CFLAGS-elf-init.c += -mcmodel=large
 # with profiling, but calls to libc.so via the PLT at the very end.
 CFLAGS-gmon-start.c += -mcmodel=large
 endif
+
+else
+
+# Don't try to compile assembly code with hwN_plt() directives if the
+# toolchain doesn't support -mcmodel=large.
+ifeq ($(subdir),csu)
+CPPFLAGS-start.S += -DNO_PLT_PCREL
+CPPFLAGS-crti.S += -DNO_PLT_PCREL
+endif
+ifeq ($(subdir),nptl)
+CPPFLAGS-pt-crti.S += -DNO_PLT_PCREL
+endif
+
 endif

ports/sysdeps/unix/sysv/linux/arm/dl-cache.h

@@ -1,5 +1,5 @@
 /* Support for reading /etc/ld.so.cache files written by Linux ldconfig.
-   Copyright (C) 2003-2012 Free Software Foundation, Inc.
+   Copyright (C) 2003-2013 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
@@ -18,12 +18,17 @@
 
 #include <ldconfig.h>
 
+/* In order to support the transition from unmarked objects
+   to marked objects we must treat unmarked objects as
+   compatible with either FLAG_ARM_LIBHF or FLAG_ARM_LIBSF.  */
 #ifdef __ARM_PCS_VFP
 # define _dl_cache_check_flags(flags) \
-  ((flags) == (FLAG_ARM_LIBHF | FLAG_ELF_LIBC6))
+  ((flags) == (FLAG_ARM_LIBHF | FLAG_ELF_LIBC6) \
+   || (flags) == FLAG_ELF_LIBC6)
 #else
 # define _dl_cache_check_flags(flags) \
-  ((flags) == FLAG_ELF_LIBC6)
+  ((flags) == (FLAG_ARM_LIBSF | FLAG_ELF_LIBC6) \
+   || (flags) == FLAG_ELF_LIBC6)
 #endif
 
 #include_next <dl-cache.h>

ports/sysdeps/unix/sysv/linux/arm/readelflib.c

@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2012 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 1999 and
 		  Jakub Jelinek <jakub@redhat.com>, 1999.
@@ -46,6 +46,12 @@ process_elf_file (const char *file_name, const char *lib, int *flag,
 	  if (elf32_header->e_flags & EF_ARM_ABI_FLOAT_HARD)
 	    *flag = FLAG_ARM_LIBHF|FLAG_ELF_LIBC6;
 	  else if (elf32_header->e_flags & EF_ARM_ABI_FLOAT_SOFT)
+	    *flag = FLAG_ARM_LIBSF|FLAG_ELF_LIBC6;
+	  else
+	    /* We must assume the unmarked objects are compatible
+	       with all ABI variants. Such objects may have been
+	       generated in a transitional period when the ABI
+	       tags were not added to all objects.  */
 	    *flag = FLAG_ELF_LIBC6;
 	}
     }

string/test-strcmp.c

@@ -353,6 +353,34 @@ check (void)
 		FOR_EACH_IMPL (impl, 0)
 		check_result (impl, s1 + i1, s2 + i2, exp_result);
       }
+
+  /* Test cases where there are multiple zero bytes after the first.  */
+
+  for (size_t i = 0; i < 16 + 1; i++)
+    {
+      s1[i] = 0x00;
+      s2[i] = 0x00;
+    }
+
+  for (size_t i = 0; i < 16; i++)
+    {
+      int exp_result;
+
+      for (int val = 0x01; val < 0x100; val++)
+	{
+	  for (size_t j = 0; j < i; j++)
+	    {
+	      s1[j] = val;
+	      s2[j] = val;
+	    }
+
+	  s2[i] = val;
+
+	  exp_result = SIMPLE_STRCMP (s1, s2);
+	  FOR_EACH_IMPL (impl, 0)
+	    check_result (impl, s1, s2, exp_result);
+	}
+    }
 }
 
 

sysdeps/generic/ldconfig.h

@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2012 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 1999.
 
@@ -36,6 +36,7 @@
 #define FLAG_X8664_LIBX32	0x0800
 #define FLAG_ARM_LIBHF		0x0900
 #define FLAG_AARCH64_LIB64	0x0a00
+#define FLAG_ARM_LIBSF		0x0b00
 
 /* Name of auxiliary cache.  */
 #define _PATH_LDCONFIG_AUX_CACHE "/var/cache/ldconfig/aux-cache"

sysdeps/gnu/netinet/tcp.h

@@ -37,20 +37,29 @@
 /*
  * User-settable options (used with setsockopt).
  */
-#define	TCP_NODELAY	 1	/* Don't delay send to coalesce packets  */
-#define	TCP_MAXSEG	 2	/* Set maximum segment size  */
-#define TCP_CORK	 3	/* Control sending of partial frames  */
-#define TCP_KEEPIDLE	 4	/* Start keeplives after this period */
-#define TCP_KEEPINTVL	 5	/* Interval between keepalives */
-#define TCP_KEEPCNT	 6	/* Number of keepalives before death */
-#define TCP_SYNCNT	 7	/* Number of SYN retransmits */
-#define TCP_LINGER2	 8	/* Life time of orphaned FIN-WAIT-2 state */
-#define TCP_DEFER_ACCEPT 9	/* Wake up listener only when data arrive */
-#define TCP_WINDOW_CLAMP 10	/* Bound advertised window */
-#define TCP_INFO	 11	/* Information about this connection. */
-#define	TCP_QUICKACK	 12	/* Bock/reenable quick ACKs.  */
-#define TCP_CONGESTION	 13	/* Congestion control algorithm.  */
-#define TCP_MD5SIG	 14	/* TCP MD5 Signature (RFC2385) */
+#define	TCP_NODELAY		 1  /* Don't delay send to coalesce packets  */
+#define	TCP_MAXSEG		 2  /* Set maximum segment size  */
+#define TCP_CORK		 3  /* Control sending of partial frames  */
+#define TCP_KEEPIDLE		 4  /* Start keeplives after this period */
+#define TCP_KEEPINTVL		 5  /* Interval between keepalives */
+#define TCP_KEEPCNT		 6  /* Number of keepalives before death */
+#define TCP_SYNCNT		 7  /* Number of SYN retransmits */
+#define TCP_LINGER2		 8  /* Life time of orphaned FIN-WAIT-2 state */
+#define TCP_DEFER_ACCEPT	 9  /* Wake up listener only when data arrive */
+#define TCP_WINDOW_CLAMP	 10 /* Bound advertised window */
+#define TCP_INFO		 11 /* Information about this connection. */
+#define	TCP_QUICKACK		 12 /* Bock/reenable quick ACKs.  */
+#define TCP_CONGESTION		 13 /* Congestion control algorithm.  */
+#define TCP_MD5SIG		 14 /* TCP MD5 Signature (RFC2385) */
+#define TCP_COOKIE_TRANSACTIONS	 15 /* TCP Cookie Transactions */
+#define TCP_THIN_LINEAR_TIMEOUTS 16 /* Use linear timeouts for thin streams*/
+#define TCP_THIN_DUPACK		 17 /* Fast retrans. after 1 dupack */
+#define TCP_USER_TIMEOUT	 18 /* How long for loss retry before timeout */
+#define TCP_REPAIR		 19 /* TCP sock is under repair right now */
+#define TCP_REPAIR_QUEUE	 20 /* Set TCP queue to repair */
+#define TCP_QUEUE_SEQ		 21 /* Set sequence number of repaired queue. */
+#define TCP_REPAIR_OPTIONS	 22 /* Repair TCP connection options */
+#define TCP_FASTOPEN		 23 /* Enable FastOpen on listeners */
 
 #ifdef __USE_MISC
 # include <sys/types.h>
@@ -173,7 +182,9 @@ enum
 # define TCPI_OPT_TIMESTAMPS	1
 # define TCPI_OPT_SACK		2
 # define TCPI_OPT_WSCALE	4
-# define TCPI_OPT_ECN		8
+# define TCPI_OPT_ECN		8  /* ECN was negociated at TCP session init */
+# define TCPI_OPT_ECN_SEEN	16 /* we received at least one packet with ECT */
+# define TCPI_OPT_SYN_DATA	32 /* SYN-ACK acked data in SYN sent or rcvd */
 
 /* Values for tcpi_state.  */
 enum tcp_ca_state
@@ -241,6 +252,49 @@ struct tcp_md5sig
   u_int8_t	tcpm_key[TCP_MD5SIG_MAXKEYLEN];	/* Key (binary).  */
 };
 
+/* For socket repair options.  */
+struct tcp_repair_opt
+{
+  u_int32_t	opt_code;
+  u_int32_t	opt_val;
+};
+
+/* Queue to repair, for TCP_REPAIR_QUEUE.  */
+enum
+{
+  TCP_NO_QUEUE,
+  TCP_RECV_QUEUE,
+  TCP_SEND_QUEUE,
+  TCP_QUEUES_NR,
+};
+
+/* For cookie transactions socket options.  */
+#define TCP_COOKIE_MIN		8		/*  64-bits */
+#define TCP_COOKIE_MAX		16		/* 128-bits */
+#define TCP_COOKIE_PAIR_SIZE	(2*TCP_COOKIE_MAX)
+
+/* Flags for both getsockopt and setsockopt */
+#define TCP_COOKIE_IN_ALWAYS	(1 << 0)	/* Discard SYN without cookie */
+#define TCP_COOKIE_OUT_NEVER	(1 << 1)	/* Prohibit outgoing cookies,
+						 * supercedes everything. */
+
+/* Flags for getsockopt */
+#define TCP_S_DATA_IN		(1 << 2)	/* Was data received? */
+#define TCP_S_DATA_OUT		(1 << 3)	/* Was data sent? */
+
+#define TCP_MSS_DEFAULT		 536U	/* IPv4 (RFC1122, RFC2581) */
+#define TCP_MSS_DESIRED		1220U	/* IPv6 (tunneled), EDNS0 (RFC3226) */
+
+struct tcp_cookie_transactions
+{
+  u_int16_t	tcpct_flags;
+  u_int8_t	__tcpct_pad1;
+  u_int8_t	tcpct_cookie_desired;
+  u_int16_t	tcpct_s_data_desired;
+  u_int16_t	tcpct_used;
+  u_int8_t	tcpct_value[TCP_MSS_DEFAULT];
+};
+
 #endif /* Misc.  */
 
 #endif /* netinet/tcp.h */

sysdeps/sparc/sparc64/multiarch/memcpy-niagara2.S

@@ -211,6 +211,7 @@ ENTRY(__memcpy_niagara2)
 	 */
 	VISEntryHalf
 
+	membar		#Sync
 	alignaddr	%o1, %g0, %g0
 
 	add		%o1, (64 - 1), %o4

sysdeps/sparc/sparc64/strcmp.S

@@ -121,6 +121,37 @@ ENTRY(strcmp)
 	movleu	%xcc, -1, %o0
 	srlx	rTMP1, 7, rTMP1
 
+	/* In order not to be influenced by bytes after the zero byte, we
+	 * have to retain only the highest bit in the mask for the comparison
+	 * with rSTRXOR to work properly.
+	 */
+	mov	0, rTMP2
+	andcc	rTMP1, 0x0100, %g0
+
+	movne	%xcc, 8, rTMP2
+	sllx	rTMP1, 63 - 16, %o1
+
+	movrlz	%o1, 16, rTMP2
+	sllx	rTMP1, 63 - 24, %o1
+
+	movrlz	%o1, 24, rTMP2
+	sllx	rTMP1, 63 - 32, %o1
+
+	movrlz	%o1, 32, rTMP2
+	sllx	rTMP1, 63 - 40, %o1
+
+	movrlz	%o1, 40, rTMP2
+	sllx	rTMP1, 63 - 48, %o1
+
+	movrlz	%o1, 48, rTMP2
+	sllx	rTMP1, 63 - 56, %o1
+
+	movrlz	%o1, 56, rTMP2
+
+	srlx	rTMP1, rTMP2, rTMP1
+
+	sllx	rTMP1, rTMP2, rTMP1
+
 	cmp	rTMP1, rSTRXOR
 	retl
 	 movgu	%xcc, 0, %o0

sysdeps/unix/sysv/linux/bits/socket.h

@@ -1,6 +1,5 @@
 /* System-specific socket constants and types.  Linux version.
-   Copyright (C) 1991, 1992, 1994-2001, 2004, 2006-2010, 2011, 2012
-   Free Software Foundation, Inc.
+   Copyright (C) 1991-2013 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
@@ -208,6 +207,8 @@ enum
 #define	MSG_MORE	MSG_MORE
     MSG_WAITFORONE	= 0x10000, /* Wait for at least one packet to return.*/
 #define MSG_WAITFORONE	MSG_WAITFORONE
+    MSG_FASTOPEN	= 0x20000000, /* Send data in TCP SYN.  */
+#define MSG_FASTOPEN	MSG_FASTOPEN
 
     MSG_CMSG_CLOEXEC	= 0x40000000	/* Set close_on_exit for file
 					   descriptor received through

sysdeps/unix/sysv/linux/sparc/bits/eventfd.h

@@ -22,6 +22,8 @@
 /* Flags for eventfd.  */
 enum
   {
+    EFD_SEMAPHORE = 0x000001,
+#define EFD_SEMAPHORE EFD_SEMAPHORE
     EFD_CLOEXEC = 0x400000,
 #define EFD_CLOEXEC EFD_CLOEXEC
     EFD_NONBLOCK = 0x004000

sysdeps/unix/sysv/linux/sparc/bits/resource.h

@@ -253,3 +253,30 @@ enum __priority_which
   PRIO_USER = 2			/* WHO is a user ID.  */
 #define PRIO_USER PRIO_USER
 };
+
+__BEGIN_DECLS
+
+#ifdef __USE_GNU
+/* Modify and return resource limits of a process atomically.  */
+# ifndef __USE_FILE_OFFSET64
+extern int prlimit (__pid_t __pid, enum __rlimit_resource __resource,
+		    const struct rlimit *__new_limit,
+		    struct rlimit *__old_limit) __THROW;
+# else
+#  ifdef __REDIRECT_NTH
+extern int __REDIRECT_NTH (prlimit, (__pid_t __pid,
+				     enum __rlimit_resource __resource,
+				     const struct rlimit *__new_limit,
+				     struct rlimit *__old_limit), prlimit64);
+#  else
+#   define prlimit prlimit64
+#  endif
+# endif
+# ifdef __USE_LARGEFILE64
+extern int prlimit64 (__pid_t __pid, enum __rlimit_resource __resource,
+		      const struct rlimit64 *__new_limit,
+		      struct rlimit64 *__old_limit) __THROW;
+# endif
+#endif
+
+__END_DECLS

sysdeps/x86/fpu/bits/mathinline.h

@@ -1,5 +1,5 @@
 /* Inline math functions for i387 and SSE.
-   Copyright (C) 1995-2012 Free Software Foundation, Inc.
+   Copyright (C) 1995-2014 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
@@ -382,7 +382,7 @@ __END_NAMESPACE_C99
 # endif
 #endif
 
-#ifndef __x86_64__
+#ifndef __SSE2_MATH__
 # if ((!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
      && defined __OPTIMIZE__)
 
@@ -965,4 +965,4 @@ __inline_mathcode2 (__ieee754_atan2, __y, __x,
 		    return __value;)
 # endif
 
-#endif /* !__x86_64__ */
+#endif /* !__SSE2_MATH__ */