Merge commit 'origin/master' into fedora/master

Conflicts:
	ChangeLog
	sysdeps/unix/sysv/linux/i386/sysconf.c
	sysdeps/x86_64/cacheinfo.c
	version.h

20 files changed, 227 insertions, 96 deletions

diff --git a/sysdeps/unix/common/.cvsignore b/sysdeps/unix/common/.cvsignore
deleted file mode 100644
index 1f69fd919a..0000000000
--- a/sysdeps/unix/common/.cvsignore
+++ /dev/null
@@ -1,4 +0,0 @@
-*.gz *.Z *.tar *.tgz
-=*
-TODO COPYING* AUTHORS copyr-* copying.*
-glibc-*
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 170c042dd1..cee5d29255 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -11,6 +11,10 @@ ifeq ($(subdir),malloc)
 CFLAGS-malloc.c += -DMORECORE_CLEARS=2
 endif
 
+ifeq ($(subdir),socket)
+sysdep_routines += internal_accept4
+endif
+
 ifeq ($(subdir),misc)
 sysdep_routines += sysctl clone llseek umount umount2 readahead \
 		   setfsuid setfsgid makedev epoll_pwait signalfd \
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index b348570bda..2b5f2fb03c 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -139,7 +139,7 @@ libc {
     epoll_create1; inotify_init1;
   }
   GLIBC_2.10 {
-    fallocate; fallocate64;
+    fallocate;
   }
   GLIBC_PRIVATE {
     # functions used in other libraries
diff --git a/sysdeps/unix/sysv/linux/accept4.c b/sysdeps/unix/sysv/linux/accept4.c
index 97f7b8ce62..9ef9f479b0 100644
--- a/sysdeps/unix/sysv/linux/accept4.c
+++ b/sysdeps/unix/sysv/linux/accept4.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008 Free Software Foundation, Inc.
+/* Copyright (C) 2008, 2009 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2008.
 
@@ -23,8 +23,7 @@
 
 #include <sysdep-cancel.h>
 #include <sys/syscall.h>
-
-#define __NR_accept4                            288
+#include <kernel-features.h>
 
 
 #ifdef __NR_accept4
@@ -43,6 +42,50 @@ accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags)
 
   return result;
 }
+#elif defined __NR_socketcall
+# ifndef __ASSUME_ACCEPT4
+extern int __internal_accept4 (int fd, __SOCKADDR_ARG addr,
+			       socklen_t *addr_len, int flags)
+     attribute_hidden;
+
+static int have_accept4;
+
+int
+accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags)
+{
+  if (__builtin_expect (have_accept4 >= 0, 1))
+    {
+      int ret = __internal_accept4 (fd, addr, addr_len, flags);
+      /* The kernel returns -EINVAL for unknown socket operations.
+	 We need to convert that error to an ENOSYS error.  */
+      if (__builtin_expect (ret < 0, 0)
+	  && have_accept4 == 0
+	  && errno == EINVAL)
+	{
+	  /* Try another call, this time with the FLAGS parameter
+	     cleared and an invalid file descriptor.  This call will not
+	     cause any harm and it will return immediately.  */
+	  ret = __internal_accept4 (-1, addr, addr_len, 0);
+	  if (errno == EINVAL)
+	    {
+	      have_accept4 = -1;
+	      __set_errno (ENOSYS);
+	    }
+	  else
+	    {
+	      have_accept4 = 1;
+	      __set_errno (EINVAL);
+	    }
+	  return -1;
+	}
+      return ret;
+    }
+  __set_errno (ENOSYS);
+  return -1;
+}
+# else
+/* When __ASSUME_ACCEPT4 accept4 is defined in internal_accept4.S.  */
+# endif
 #else
 int
 accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags)
diff --git a/sysdeps/unix/sysv/linux/fallocate64.c b/sysdeps/unix/sysv/linux/fallocate64.c
index ebcaf671b3..751a7b2275 100644
--- a/sysdeps/unix/sysv/linux/fallocate64.c
+++ b/sysdeps/unix/sysv/linux/fallocate64.c
@@ -23,7 +23,7 @@
 
 /* Reserve storage for the data of the file associated with FD.  */
 int
-__fallocate64_l64 (int fd, int mode, __off64_t offset, __off64_t len)
+fallocate64 (int fd, int mode, __off64_t offset, __off64_t len)
 {
 #ifdef __NR_fallocate
   return INLINE_SYSCALL (fallocate, 6, fd, mode,
diff --git a/sysdeps/unix/sysv/linux/i386/Versions b/sysdeps/unix/sysv/linux/i386/Versions
index abd1d152d7..f3544acb75 100644
--- a/sysdeps/unix/sysv/linux/i386/Versions
+++ b/sysdeps/unix/sysv/linux/i386/Versions
@@ -41,6 +41,10 @@ libc {
     # v*
     vm86;
   }
+  GLIBC_2.11 {
+    # f*
+    fallocate64;
+  }
   GLIBC_PRIVATE {
     __modify_ldt;
   }
diff --git a/sysdeps/unix/sysv/linux/i386/accept4.S b/sysdeps/unix/sysv/linux/i386/accept4.S
index 087ccc456f..1d05eff7f7 100644
--- a/sysdeps/unix/sysv/linux/i386/accept4.S
+++ b/sysdeps/unix/sysv/linux/i386/accept4.S
@@ -24,10 +24,6 @@
 #define EINVAL	22
 #define ENOSYS	38
 
-#ifndef SOCKOP_accept4
-# define SOCKOP_accept4 18
-#endif
-
 #ifdef __ASSUME_ACCEPT4
 # define errlabel SYSCALL_ERROR_LABEL
 #else
diff --git a/sysdeps/unix/sysv/linux/i386/fallocate64.c b/sysdeps/unix/sysv/linux/i386/fallocate64.c
index b744710a96..4998f5e644 100644
--- a/sysdeps/unix/sysv/linux/i386/fallocate64.c
+++ b/sysdeps/unix/sysv/linux/i386/fallocate64.c
@@ -26,7 +26,7 @@ extern int __call_fallocate (int fd, int mode, __off64_t offset, __off64_t len)
 
 /* Reserve storage for the data of the file associated with FD.  */
 int
-__fallocate64_l64 (int fd, int mode, __off64_t offset, __off64_t len)
+fallocate64 (int fd, int mode, __off64_t offset, __off64_t len)
 {
   return __call_fallocate (fd, mode, offset, len);
 }
diff --git a/sysdeps/unix/sysv/linux/i386/internal_accept4.S b/sysdeps/unix/sysv/linux/i386/internal_accept4.S
new file mode 100644
index 0000000000..c3f1630494
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/internal_accept4.S
@@ -0,0 +1 @@
+/* Not needed, accept4.S has everything.  */
diff --git a/sysdeps/unix/sysv/linux/i386/sysconf.c b/sysdeps/unix/sysv/linux/i386/sysconf.c
index f59e0c3fad..efe1a639cd 100644
--- a/sysdeps/unix/sysv/linux/i386/sysconf.c
+++ b/sysdeps/unix/sysv/linux/i386/sysconf.c
@@ -1,5 +1,5 @@
 /* Get file-specific information about a file.  Linux version.
-   Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2006, 2007, 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
@@ -67,76 +67,77 @@ handle_i486 (int name)
 
 static const struct intel_02_cache_info
 {
-  unsigned int idx;
-  int name;
-  long int size;
-  long int assoc;
-  long int linesize;
-} intel_02_known[] =
+  unsigned char idx;
+  unsigned char assoc;
+  unsigned char linesize;
+  unsigned char rel_name;
+  unsigned int size;
+} intel_02_known [] =
   {
-    { 0x06, _SC_LEVEL1_ICACHE_SIZE, 8192, 4, 32 },
-    { 0x08, _SC_LEVEL1_ICACHE_SIZE, 16384, 4, 32 },
-    { 0x09, _SC_LEVEL1_ICACHE_SIZE, 32768, 4, 32 },
-    { 0x0a, _SC_LEVEL1_DCACHE_SIZE, 8192, 2, 32 },
-    { 0x0c, _SC_LEVEL1_DCACHE_SIZE, 16384, 4, 32 },
-    { 0x0d, _SC_LEVEL1_DCACHE_SIZE, 16384, 4, 64 },
-    { 0x21, _SC_LEVEL2_CACHE_SIZE, 262144, 8, 64 },
-    { 0x22, _SC_LEVEL3_CACHE_SIZE, 524288, 4, 64 },
-    { 0x23, _SC_LEVEL3_CACHE_SIZE, 1048576, 8, 64 },
-    { 0x25, _SC_LEVEL3_CACHE_SIZE, 2097152, 8, 64 },
-    { 0x29, _SC_LEVEL3_CACHE_SIZE, 4194304, 8, 64 },
-    { 0x2c, _SC_LEVEL1_DCACHE_SIZE, 32768, 8, 64 },
-    { 0x30, _SC_LEVEL1_ICACHE_SIZE, 32768, 8, 64 },
-    { 0x39, _SC_LEVEL2_CACHE_SIZE, 131072, 4, 64 },
-    { 0x3a, _SC_LEVEL2_CACHE_SIZE, 196608, 6, 64 },
-    { 0x3b, _SC_LEVEL2_CACHE_SIZE, 131072, 2, 64 },
-    { 0x3c, _SC_LEVEL2_CACHE_SIZE, 262144, 4, 64 },
-    { 0x3d, _SC_LEVEL2_CACHE_SIZE, 393216, 6, 64 },
-    { 0x3e, _SC_LEVEL2_CACHE_SIZE, 524288, 4, 64 },
-    { 0x3f, _SC_LEVEL2_CACHE_SIZE, 262144, 2, 64 },
-    { 0x41, _SC_LEVEL2_CACHE_SIZE, 131072, 4, 32 },
-    { 0x42, _SC_LEVEL2_CACHE_SIZE, 262144, 4, 32 },
-    { 0x43, _SC_LEVEL2_CACHE_SIZE, 524288, 4, 32 },
-    { 0x44, _SC_LEVEL2_CACHE_SIZE, 1048576, 4, 32 },
-    { 0x45, _SC_LEVEL2_CACHE_SIZE, 2097152, 4, 32 },
-    { 0x46, _SC_LEVEL3_CACHE_SIZE, 4194304, 4, 64 },
-    { 0x47, _SC_LEVEL3_CACHE_SIZE, 8388608, 8, 64 },
-    { 0x48, _SC_LEVEL2_CACHE_SIZE, 3145728, 12, 64 },
-    { 0x49, _SC_LEVEL2_CACHE_SIZE, 4194304, 16, 64 },
-    { 0x4a, _SC_LEVEL3_CACHE_SIZE, 6291456, 12, 64 },
-    { 0x4b, _SC_LEVEL3_CACHE_SIZE, 8388608, 16, 64 },
-    { 0x4c, _SC_LEVEL3_CACHE_SIZE, 12582912, 12, 64 },
-    { 0x4d, _SC_LEVEL3_CACHE_SIZE, 16777216, 16, 64 },
-    { 0x4e, _SC_LEVEL2_CACHE_SIZE, 6291456, 24, 64 },
-    { 0x60, _SC_LEVEL1_DCACHE_SIZE, 16384, 8, 64 },
-    { 0x66, _SC_LEVEL1_DCACHE_SIZE, 8192, 4, 64 },
-    { 0x67, _SC_LEVEL1_DCACHE_SIZE, 16384, 4, 64 },
-    { 0x68, _SC_LEVEL1_DCACHE_SIZE, 32768, 4, 64 },
-    { 0x78, _SC_LEVEL2_CACHE_SIZE, 1048576, 8, 64 },
-    { 0x79, _SC_LEVEL2_CACHE_SIZE, 131072, 8, 64 },
-    { 0x7a, _SC_LEVEL2_CACHE_SIZE, 262144, 8, 64 },
-    { 0x7b, _SC_LEVEL2_CACHE_SIZE, 524288, 8, 64 },
-    { 0x7c, _SC_LEVEL2_CACHE_SIZE, 1048576, 8, 64 },
-    { 0x7d, _SC_LEVEL2_CACHE_SIZE, 2097152, 8, 64 },
-    { 0x7f, _SC_LEVEL2_CACHE_SIZE, 524288, 2, 64 },
-    { 0x82, _SC_LEVEL2_CACHE_SIZE, 262144, 8, 32 },
-    { 0x83, _SC_LEVEL2_CACHE_SIZE, 524288, 8, 32 },
-    { 0x84, _SC_LEVEL2_CACHE_SIZE, 1048576, 8, 32 },
-    { 0x85, _SC_LEVEL2_CACHE_SIZE, 2097152, 8, 32 },
-    { 0x86, _SC_LEVEL2_CACHE_SIZE, 524288, 4, 64 },
-    { 0x87, _SC_LEVEL2_CACHE_SIZE, 1048576, 8, 64 },
-    { 0xd0, _SC_LEVEL3_CACHE_SIZE, 524288, 4, 64 },
-    { 0xd1, _SC_LEVEL3_CACHE_SIZE, 1048576, 4, 64 },
-    { 0xd2, _SC_LEVEL3_CACHE_SIZE, 2097152, 4, 64 },
-    { 0xd6, _SC_LEVEL3_CACHE_SIZE, 1048576, 8, 64 },
-    { 0xd7, _SC_LEVEL3_CACHE_SIZE, 2097152, 8, 64 },
-    { 0xd8, _SC_LEVEL3_CACHE_SIZE, 4194304, 8, 64 },
-    { 0xdc, _SC_LEVEL3_CACHE_SIZE, 2097152, 12, 64 },
-    { 0xdd, _SC_LEVEL3_CACHE_SIZE, 4194304, 12, 64 },
-    { 0xde, _SC_LEVEL3_CACHE_SIZE, 8388608, 12, 64 },
-    { 0xe3, _SC_LEVEL3_CACHE_SIZE, 2097152, 16, 64 },
-    { 0xe3, _SC_LEVEL3_CACHE_SIZE, 4194304, 16, 64 },
-    { 0xe4, _SC_LEVEL3_CACHE_SIZE, 8388608, 16, 64 },
+#define M(sc) ((sc) - _SC_LEVEL1_ICACHE_SIZE)
+    { 0x06,  4, 32, M(_SC_LEVEL1_ICACHE_SIZE),    8192 },
+    { 0x08,  4, 32, M(_SC_LEVEL1_ICACHE_SIZE),   16384 },
+    { 0x09,  4, 32, M(_SC_LEVEL1_ICACHE_SIZE),   32768 },
+    { 0x0a,  2, 32, M(_SC_LEVEL1_DCACHE_SIZE),    8192 },
+    { 0x0c,  4, 32, M(_SC_LEVEL1_DCACHE_SIZE),   16384 },
+    { 0x0d,  4, 64, M(_SC_LEVEL1_DCACHE_SIZE),   16384 },
+    { 0x21,  8, 64, M(_SC_LEVEL2_CACHE_SIZE),   262144 },
+    { 0x22,  4, 64, M(_SC_LEVEL3_CACHE_SIZE),   524288 },
+    { 0x23,  8, 64, M(_SC_LEVEL3_CACHE_SIZE),  1048576 },
+    { 0x25,  8, 64, M(_SC_LEVEL3_CACHE_SIZE),  2097152 },
+    { 0x29,  8, 64, M(_SC_LEVEL3_CACHE_SIZE),  4194304 },
+    { 0x2c,  8, 64, M(_SC_LEVEL1_DCACHE_SIZE),   32768 },
+    { 0x30,  8, 64, M(_SC_LEVEL1_ICACHE_SIZE),   32768 },
+    { 0x39,  4, 64, M(_SC_LEVEL2_CACHE_SIZE),   131072 },
+    { 0x3a,  6, 64, M(_SC_LEVEL2_CACHE_SIZE),   196608 },
+    { 0x3b,  2, 64, M(_SC_LEVEL2_CACHE_SIZE),   131072 },
+    { 0x3c,  4, 64, M(_SC_LEVEL2_CACHE_SIZE),   262144 },
+    { 0x3d,  6, 64, M(_SC_LEVEL2_CACHE_SIZE),   393216 },
+    { 0x3e,  4, 64, M(_SC_LEVEL2_CACHE_SIZE),   524288 },
+    { 0x3f,  2, 64, M(_SC_LEVEL2_CACHE_SIZE),   262144 },
+    { 0x41,  4, 32, M(_SC_LEVEL2_CACHE_SIZE),   131072 },
+    { 0x42,  4, 32, M(_SC_LEVEL2_CACHE_SIZE),   262144 },
+    { 0x43,  4, 32, M(_SC_LEVEL2_CACHE_SIZE),   524288 },
+    { 0x44,  4, 32, M(_SC_LEVEL2_CACHE_SIZE),  1048576 },
+    { 0x45,  4, 32, M(_SC_LEVEL2_CACHE_SIZE),  2097152 },
+    { 0x46,  4, 64, M(_SC_LEVEL3_CACHE_SIZE),  4194304 },
+    { 0x47,  8, 64, M(_SC_LEVEL3_CACHE_SIZE),  8388608 },
+    { 0x48, 12, 64, M(_SC_LEVEL2_CACHE_SIZE),  3145728 },
+    { 0x49, 16, 64, M(_SC_LEVEL2_CACHE_SIZE),  4194304 },
+    { 0x4a, 12, 64, M(_SC_LEVEL3_CACHE_SIZE),  6291456 },
+    { 0x4b, 16, 64, M(_SC_LEVEL3_CACHE_SIZE),  8388608 },
+    { 0x4c, 12, 64, M(_SC_LEVEL3_CACHE_SIZE), 12582912 },
+    { 0x4d, 16, 64, M(_SC_LEVEL3_CACHE_SIZE), 16777216 },
+    { 0x4e, 24, 64, M(_SC_LEVEL2_CACHE_SIZE),  6291456 },
+    { 0x60,  8, 64, M(_SC_LEVEL1_DCACHE_SIZE),   16384 },
+    { 0x66,  4, 64, M(_SC_LEVEL1_DCACHE_SIZE),    8192 },
+    { 0x67,  4, 64, M(_SC_LEVEL1_DCACHE_SIZE),   16384 },
+    { 0x68,  4, 64, M(_SC_LEVEL1_DCACHE_SIZE),   32768 },
+    { 0x78,  8, 64, M(_SC_LEVEL2_CACHE_SIZE),  1048576 },
+    { 0x79,  8, 64, M(_SC_LEVEL2_CACHE_SIZE),   131072 },
+    { 0x7a,  8, 64, M(_SC_LEVEL2_CACHE_SIZE),   262144 },
+    { 0x7b,  8, 64, M(_SC_LEVEL2_CACHE_SIZE),   524288 },
+    { 0x7c,  8, 64, M(_SC_LEVEL2_CACHE_SIZE),  1048576 },
+    { 0x7d,  8, 64, M(_SC_LEVEL2_CACHE_SIZE),  2097152 },
+    { 0x7f,  2, 64, M(_SC_LEVEL2_CACHE_SIZE),   524288 },
+    { 0x82,  8, 32, M(_SC_LEVEL2_CACHE_SIZE),   262144 },
+    { 0x83,  8, 32, M(_SC_LEVEL2_CACHE_SIZE),   524288 },
+    { 0x84,  8, 32, M(_SC_LEVEL2_CACHE_SIZE),  1048576 },
+    { 0x85,  8, 32, M(_SC_LEVEL2_CACHE_SIZE),  2097152 },
+    { 0x86,  4, 64, M(_SC_LEVEL2_CACHE_SIZE),   524288 },
+    { 0x87,  8, 64, M(_SC_LEVEL2_CACHE_SIZE),  1048576 },
+    { 0xd0,  4, 64, M(_SC_LEVEL3_CACHE_SIZE),   524288 },
+    { 0xd1,  4, 64, M(_SC_LEVEL3_CACHE_SIZE),  1048576 },
+    { 0xd2,  4, 64, M(_SC_LEVEL3_CACHE_SIZE),  2097152 },
+    { 0xd6,  8, 64, M(_SC_LEVEL3_CACHE_SIZE),  1048576 },
+    { 0xd7,  8, 64, M(_SC_LEVEL3_CACHE_SIZE),  2097152 },
+    { 0xd8,  8, 64, M(_SC_LEVEL3_CACHE_SIZE),  4194304 },
+    { 0xdc, 12, 64, M(_SC_LEVEL3_CACHE_SIZE),  2097152 },
+    { 0xdd, 12, 64, M(_SC_LEVEL3_CACHE_SIZE),  4194304 },
+    { 0xde, 12, 64, M(_SC_LEVEL3_CACHE_SIZE),  8388608 },
+    { 0xe3, 16, 64, M(_SC_LEVEL3_CACHE_SIZE),  2097152 },
+    { 0xe3, 16, 64, M(_SC_LEVEL3_CACHE_SIZE),  4194304 },
+    { 0xe4, 16, 64, M(_SC_LEVEL3_CACHE_SIZE),  8388608 },
   };
 #define nintel_02_known (sizeof (intel_02_known) / sizeof (intel_02_known[0]))
 
@@ -168,8 +169,7 @@ intel_check_word (int name, unsigned int value, bool *has_level_2,
 
   /* Fold the name.  The _SC_ constants are always in the order SIZE,
      ASSOC, LINESIZE.  */
-  int folded_name = (_SC_LEVEL1_ICACHE_SIZE
-		     + ((name - _SC_LEVEL1_ICACHE_SIZE) / 3) * 3);
+  int folded_rel_name = (M(name) / 3) * 3;
 
   while (value != 0)
     {
@@ -179,13 +179,13 @@ intel_check_word (int name, unsigned int value, bool *has_level_2,
 	{
 	  *no_level_2_or_3 = true;
 
-	  if (folded_name == _SC_LEVEL3_CACHE_SIZE)
+	  if (folded_rel_name == M(_SC_LEVEL3_CACHE_SIZE))
 	    /* No need to look further.  */
 	    break;
 	}
       else
 	{
-	  if (byte == 0x49 && folded_name == _SC_LEVEL3_CACHE_SIZE)
+	  if (byte == 0x49 && folded_rel_name == M(_SC_LEVEL3_CACHE_SIZE))
 	    {
 	      /* Intel reused this value.  For family 15, model 6 it
 		 specifies the 3rd level cache.  Otherwise the 2nd
@@ -208,7 +208,7 @@ intel_check_word (int name, unsigned int value, bool *has_level_2,
 		     the caller asked for the level 2 cache.  */
 		  name = (_SC_LEVEL2_CACHE_SIZE
 			  + (name - _SC_LEVEL3_CACHE_SIZE));
-		  folded_name = _SC_LEVEL3_CACHE_SIZE;
+		  folded_rel_name = M(_SC_LEVEL2_CACHE_SIZE);
 		}
 	    }
 
@@ -220,9 +220,9 @@ intel_check_word (int name, unsigned int value, bool *has_level_2,
 			   sizeof (intel_02_known[0]), intel_02_known_compare);
 	  if (found != NULL)
 	    {
-	      if (found->name == folded_name)
+	      if (found->rel_name == folded_rel_name)
 		{
-		  unsigned int offset = name - folded_name;
+		  unsigned int offset = M(name) - folded_rel_name;
 
 		  if (offset == 0)
 		    /* Cache size.  */
@@ -234,7 +234,7 @@ intel_check_word (int name, unsigned int value, bool *has_level_2,
 		  return found->linesize;
 		}
 
-	      if (found->name == _SC_LEVEL2_CACHE_SIZE)
+	      if (found->rel_name == M(_SC_LEVEL2_CACHE_SIZE))
 		*has_level_2 = true;
 	    }
 	}
diff --git a/sysdeps/unix/sysv/linux/ia64/____longjmp_chk.S b/sysdeps/unix/sysv/linux/ia64/____longjmp_chk.S
new file mode 100644
index 0000000000..e097c2288e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/ia64/____longjmp_chk.S
@@ -0,0 +1,48 @@
+/* Copyright (C) 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; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+	.section .rodata.str1.8,"aMS",@progbits,1
+	.align 8
+.LC0:
+	.string "longjmp causes uninitialized stack frame"
+
+	.section .sdata,"aws",@progbits
+	.align 8
+	.type	longjmp_msg,@object
+longjmp_msg:
+	data8	.LC0
+	.size	longjmp_msg, .-longjmp_msg
+
+#define __longjmp ____longjmp_chk
+
+#ifdef PIC
+#  define CALL_FAIL	__GI___fortify_fail
+#else
+#  define CALL_FAIL	__fortify_fail
+#endif
+
+#define CHECK_RSP(reg) \
+	cmp.ltu p0, p8 = reg, r12;				\
+(p8)	br.cond.dpnt .Lok;;					\
+	addl r28 = @ltoffx(longjmp_msg#), r1;;			\
+	ld8.mov r28 = [r28], longjmp_msg#;;			\
+	ld8 out0 = [r28];					\
+	br.call.sptk.many b0 = CALL_FAIL#;;			\
+.Lok:
+
+#include "__longjmp.S"
diff --git a/sysdeps/unix/sysv/linux/ia64/__longjmp.S b/sysdeps/unix/sysv/linux/ia64/__longjmp.S
index aa18fadf9c..2e74904385 100644
--- a/sysdeps/unix/sysv/linux/ia64/__longjmp.S
+++ b/sysdeps/unix/sysv/linux/ia64/__longjmp.S
@@ -42,7 +42,11 @@
 	/* __longjmp(__jmp_buf buf, int val) */
 
 LEAF(__longjmp)
+#ifdef CHECK_RSP
+	alloc r8=ar.pfs,2,1,1,0
+#else
 	alloc r8=ar.pfs,2,1,0,0
+#endif
 	mov r27=ar.rsc
 	add r2=0x98,in0		// r2 <- &jmpbuf.orig_jmp_buf_addr
 	;;
@@ -70,14 +74,18 @@ LEAF(__longjmp)
 	add r3=8,in0		// r3 <- &jmpbuf.r1
 	shl r9=r25,r17
 	;;
+	ld8.fill.nta r28=[r2],16	// r28 <- jmpbuf.sp
 	or r25=r8,r9
 	;;
 	mov r26=ar.rnat
 	mov ar.unat=r25		// setup ar.unat (NaT bits for r1, r4-r7, and r12)
 	;;
-	ld8.fill.nta sp=[r2],16	// r12 (sp)
+#ifdef CHECK_RSP
+	CHECK_RSP (r28)
+#endif
 	ld8.fill.nta gp=[r3],16		// r1 (gp)
 	dep r11=-1,r23,3,6	// r11 <- ia64_rse_rnat_addr(jmpbuf.ar_bsp)
+	mov sp=r28		// r12 (sp)
 	;;
 	ld8.nta r16=[r2],16		// caller's unat
 	ld8.nta r17=[r3],16		// fpsr
diff --git a/sysdeps/unix/sysv/linux/internal_accept4.S b/sysdeps/unix/sysv/linux/internal_accept4.S
new file mode 100644
index 0000000000..ffc553624c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/internal_accept4.S
@@ -0,0 +1,14 @@
+#include <kernel-features.h>
+#include <sys/syscall.h>
+#if !defined __NR_accept4 && defined __NR_socketcall
+# define socket	accept4
+# ifdef __ASSUME_ACCEPT4
+#  define __socket accept4
+# else
+#  define __socket __internal_accept4
+# endif
+# define NARGS 4
+# define NEED_CANCELLATION
+# define NO_WEAK_ALIAS
+# include <socket.S>
+#endif
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 473360a13c..4562515790 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -521,7 +521,7 @@
 /* Support for the accept4 syscall was added in 2.6.28.  */
 #if __LINUX_KERNEL_VERSION >= 0x02061c \
     && (defined __i386__ || defined __x86_64__ || defined __powerpc__ \
-	|| defined __ia64__ || defined __sparc__ || defined __s390__)
+	|| defined __sparc__ || defined __s390__)
 # define __ASSUME_ACCEPT4	1
 #endif
 
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions
index 181d70150c..6fa0119e95 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions
@@ -27,4 +27,7 @@ libc {
   GLIBC_2.3.4 {
     setcontext; getcontext; swapcontext; makecontext;
   }
+  GLIBC_2.11 {
+    fallocate64;
+  }
 }
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/Versions b/sysdeps/unix/sysv/linux/s390/s390-32/Versions
index b6d608d0ae..24e0b1d4cd 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/Versions
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/Versions
@@ -43,6 +43,9 @@ libc {
     getutmp;
     getutmpx;
   }
+  GLIBC_2.11 {
+    fallocate64;
+  }
 }
 
 libutil {
diff --git a/sysdeps/unix/sysv/linux/sh/Versions b/sysdeps/unix/sysv/linux/sh/Versions
index 763be60222..bd30f928d7 100644
--- a/sysdeps/unix/sysv/linux/sh/Versions
+++ b/sysdeps/unix/sysv/linux/sh/Versions
@@ -24,4 +24,7 @@ libc {
   GLIBC_2.3.3 {
     posix_fadvise64; posix_fallocate64;
   }
+  GLIBC_2.11 {
+    fallocate64;
+  }
 }
diff --git a/sysdeps/unix/sysv/linux/socketcall.h b/sysdeps/unix/sysv/linux/socketcall.h
index 24ec9ee2ac..adf01b6e10 100644
--- a/sysdeps/unix/sysv/linux/socketcall.h
+++ b/sysdeps/unix/sysv/linux/socketcall.h
@@ -1,5 +1,5 @@
 /* ID for functions called via socketcall system call.
-   Copyright (C) 1995, 1996, 2008 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 2008, 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
@@ -43,6 +43,6 @@
 #define SOCKOP_getsockopt	15
 #define SOCKOP_sendmsg		16
 #define SOCKOP_recvmsg		17
-#define SOCKOP_paccept		18
+#define SOCKOP_accept4		18
 
 #endif /* sys/socketcall.h */
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/Versions b/sysdeps/unix/sysv/linux/sparc/sparc32/Versions
index c585af3602..c9a5b3e9d5 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/Versions
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/Versions
@@ -20,4 +20,7 @@ libc {
   GLIBC_2.3.3 {
     posix_fadvise64; posix_fallocate64;
   }
+  GLIBC_2.11 {
+    fallocate64;
+  }
 }
diff --git a/sysdeps/unix/sysv/linux/wordsize-64/Versions b/sysdeps/unix/sysv/linux/wordsize-64/Versions
new file mode 100644
index 0000000000..a3b40ccd17
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/wordsize-64/Versions
@@ -0,0 +1,5 @@
+libc {
+  GLIBC_2.10 {
+    fallocate64;
+  }
+}