.

17 files changed, 172 insertions, 305 deletions

diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index 137b44c2b8..7c015b1d62 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -126,9 +126,6 @@ libc {
   GLIBC_2.5 {
     splice; sync_file_range; tee; vmsplice;
   }
-  GLIBC_2.6 {
-    epoll_pwait;
-  }
   GLIBC_PRIVATE {
     # functions used in other libraries
     __syscall_rt_sigqueueinfo;
diff --git a/sysdeps/unix/sysv/linux/bits/statvfs.h b/sysdeps/unix/sysv/linux/bits/statvfs.h
index 84717c3d96..cca0871ac0 100644
--- a/sysdeps/unix/sysv/linux/bits/statvfs.h
+++ b/sysdeps/unix/sysv/linux/bits/statvfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1998,2000,2001,2002,2006 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000, 2001, 2002 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
@@ -101,9 +101,7 @@ enum
 # define ST_IMMUTABLE	ST_IMMUTABLE
   ST_NOATIME = 1024,		/* Do not update access times.  */
 # define ST_NOATIME	ST_NOATIME
-  ST_NODIRATIME = 2048,		/* Do not update directory access times.  */
+  ST_NODIRATIME = 2048		/* Do not update directory access times.  */
 # define ST_NODIRATIME	ST_NODIRATIME
-  ST_RELATIME = 4096		/* Update atime relative to mtime/ctime.  */
-# define ST_RELATIME	ST_RELATIME
 #endif	/* Use GNU.  */
 };
diff --git a/sysdeps/unix/sysv/linux/check_pf.c b/sysdeps/unix/sysv/linux/check_pf.c
index 13ccd7acb4..46161a806a 100644
--- a/sysdeps/unix/sysv/linux/check_pf.c
+++ b/sysdeps/unix/sysv/linux/check_pf.c
@@ -1,5 +1,5 @@
 /* Determine protocol families for which interfaces exist.  Linux version.
-   Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2006, 2007 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
@@ -71,17 +71,38 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
   memset (&nladdr, '\0', sizeof (nladdr));
   nladdr.nl_family = AF_NETLINK;
 
+#ifdef PAGE_SIZE
+  /* Help the compiler optimize out the malloc call if PAGE_SIZE
+     is constant and smaller or equal to PTHREAD_STACK_MIN/4.  */
+  const size_t buf_size = PAGE_SIZE;
+#else
+  const size_t buf_size = __getpagesize ();
+#endif
+  bool use_malloc = false;
+  char *buf;
+
+  if (__libc_use_alloca (buf_size))
+    buf = alloca (buf_size);
+  else
+    {
+      buf = malloc (buf_size);
+      if (buf != NULL)
+	use_malloc = true;
+      else
+	goto out_fail;
+    }
+
+  struct iovec iov = { buf, buf_size };
+
   if (TEMP_FAILURE_RETRY (__sendto (fd, (void *) &req, sizeof (req), 0,
 				    (struct sockaddr *) &nladdr,
 				    sizeof (nladdr))) < 0)
-    return -1;
+    goto out_fail;
 
   *seen_ipv4 = false;
   *seen_ipv6 = false;
 
   bool done = false;
-  char buf[4096];
-  struct iovec iov = { buf, sizeof (buf) };
   struct in6ailist
   {
     struct in6addrinfo info;
@@ -101,10 +122,10 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
 
       ssize_t read_len = TEMP_FAILURE_RETRY (__recvmsg (fd, &msg, 0));
       if (read_len < 0)
-	return -1;
+	goto out_fail;
 
       if (msg.msg_flags & MSG_TRUNC)
-	return -1;
+	goto out_fail;
 
       struct nlmsghdr *nlmh;
       for (nlmh = (struct nlmsghdr *) buf;
@@ -186,7 +207,7 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
     {
       *in6ai = malloc (in6ailistlen * sizeof (**in6ai));
       if (*in6ai == NULL)
-	return -1;
+	goto out_fail;
 
       *in6ailen = in6ailistlen;
 
@@ -198,7 +219,14 @@ make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
       while (in6ailist != NULL);
     }
 
+  if (use_malloc)
+    free (buf);
   return 0;
+
+out_fail:
+  if (use_malloc)
+    free (buf);
+  return -1;
 }
 
 
diff --git a/sysdeps/unix/sysv/linux/i386/clone.S b/sysdeps/unix/sysv/linux/i386/clone.S
index f73a4b5195..54524ec120 100644
--- a/sysdeps/unix/sysv/linux/i386/clone.S
+++ b/sysdeps/unix/sysv/linux/i386/clone.S
@@ -120,9 +120,6 @@ L(pseudo_end):
 	ret
 
 L(thread_start):
-	cfi_startproc;
-	/* Clearing frame pointer is insufficient, use CFI.  */
-	cfi_undefined (eip);
 	/* Note: %esi is zero.  */
 	movl	%esi,%ebp	/* terminate the stack frame */
 #ifdef RESET_PID
@@ -155,7 +152,6 @@ L(nomoregetpid):
 	jmp	L(haspid)
 	.previous
 #endif
-	cfi_endproc;
 
 	cfi_startproc
 PSEUDO_END (BP_SYM (__clone))
diff --git a/sysdeps/unix/sysv/linux/i386/getgroups.c b/sysdeps/unix/sysv/linux/i386/getgroups.c
index f69baf943b..b7a0a4efd4 100644
--- a/sysdeps/unix/sysv/linux/i386/getgroups.c
+++ b/sysdeps/unix/sysv/linux/i386/getgroups.c
@@ -52,6 +52,8 @@ __getgroups (int n, gid_t *groups)
     }
   else
     {
+      int i, ngids;
+      __kernel_gid_t kernel_groups[n = MIN (n, __sysconf (_SC_NGROUPS_MAX))];
 # ifdef __NR_getgroups32
       if (__libc_missing_32bit_uids <= 0)
 	{
@@ -67,9 +69,6 @@ __getgroups (int n, gid_t *groups)
 	}
 # endif /* __NR_getgroups32 */
 
-      int i, ngids;
-      __kernel_gid_t kernel_groups[n = MIN (n, __sysconf (_SC_NGROUPS_MAX))];
-
       ngids = INLINE_SYSCALL (getgroups, 2, n, CHECK_N (kernel_groups, n));
       if (n != 0 && ngids > 0)
 	for (i = 0; i < ngids; i++)
diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c
index b5c1b98573..299574dac4 100644
--- a/sysdeps/unix/sysv/linux/i386/sigaction.c
+++ b/sysdeps/unix/sysv/linux/i386/sigaction.c
@@ -1,5 +1,5 @@
 /* POSIX.1 `sigaction' call for Linux/i386.
-   Copyright (C) 1991,1995-2000,2002-2005,2006 Free Software Foundation, Inc.
+   Copyright (C) 1991,1995-2000,2002-2004,2005 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
@@ -46,10 +46,18 @@ int __libc_missing_rt_sigs;
 
 /* Using the hidden attribute here does not change the code but it
    helps to avoid warnings.  */
-#ifdef __NR_rt_sigaction
+#if defined HAVE_HIDDEN && defined HAVE_VISIBILITY_ATTRIBUTE \
+    && !defined HAVE_BROKEN_VISIBILITY_ATTRIBUTE
+# ifdef __NR_rt_sigaction
 extern void restore_rt (void) asm ("__restore_rt") attribute_hidden;
-#endif
+# endif
 extern void restore (void) asm ("__restore") attribute_hidden;
+#else
+# ifdef __NR_rt_sigaction
+static void restore_rt (void) asm ("__restore_rt");
+# endif
+static void restore (void) asm ("__restore");
+#endif
 
 
 /* If ACT is not NULL, change the action for SIG to *ACT.
diff --git a/sysdeps/unix/sysv/linux/ifaddrs.c b/sysdeps/unix/sysv/linux/ifaddrs.c
index 82495de03e..02e6935538 100644
--- a/sysdeps/unix/sysv/linux/ifaddrs.c
+++ b/sysdeps/unix/sysv/linux/ifaddrs.c
@@ -1,5 +1,5 @@
 /* getifaddrs -- get names and addresses of all network interfaces
-   Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005, 2006, 2007 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
@@ -122,36 +122,36 @@ int
 __netlink_request (struct netlink_handle *h, int type)
 {
   struct netlink_res *nlm_next;
-  struct netlink_res **new_nlm_list;
-  static volatile size_t buf_size = 4096;
-  char *buf;
   struct sockaddr_nl nladdr;
   struct nlmsghdr *nlmh;
   ssize_t read_len;
   bool done = false;
-  bool use_malloc = false;
 
-  if (__netlink_sendreq (h, type) < 0)
-    return -1;
+#ifdef PAGE_SIZE
+  /* Help the compiler optimize out the malloc call if PAGE_SIZE
+     is constant and smaller or equal to PTHREAD_STACK_MIN/4.  */
+  const size_t buf_size = PAGE_SIZE;
+#else
+  const size_t buf_size = __getpagesize ();
+#endif
+  bool use_malloc = false;
+  char *buf;
 
-  size_t this_buf_size = buf_size;
-  if (__libc_use_alloca (this_buf_size))
-    buf = alloca (this_buf_size);
+  if (__libc_use_alloca (buf_size))
+    buf = alloca (buf_size);
   else
     {
-      buf = malloc (this_buf_size);
+      buf = malloc (buf_size);
       if (buf != NULL)
 	use_malloc = true;
       else
 	goto out_fail;
     }
 
-  struct iovec iov = { buf, this_buf_size };
+  struct iovec iov = { buf, buf_size };
 
-  if (h->nlm_list != NULL)
-    new_nlm_list = &h->end_ptr->next;
-  else
-    new_nlm_list = &h->nlm_list;
+  if (__netlink_sendreq (h, type) < 0)
+    goto out_fail;
 
   while (! done)
     {
@@ -171,48 +171,7 @@ __netlink_request (struct netlink_handle *h, int type)
 	continue;
 
       if (__builtin_expect (msg.msg_flags & MSG_TRUNC, 0))
-	{
-	  if (this_buf_size >= SIZE_MAX / 2)
-	    goto out_fail;
-
-	  nlm_next = *new_nlm_list;
-	  while (nlm_next != NULL)
-	    {
-	      struct netlink_res *tmpptr;
-
-	      tmpptr = nlm_next->next;
-	      free (nlm_next);
-	      nlm_next = tmpptr;
-	    }
-	  *new_nlm_list = NULL;
-
-	  if (__libc_use_alloca (2 * this_buf_size))
-	    buf = extend_alloca (buf, this_buf_size, 2 * this_buf_size);
-	  else
-	    {
-	      this_buf_size *= 2;
-
-	      char *new_buf = realloc (use_malloc ? buf : NULL, this_buf_size);
-	      if (new_buf == NULL)
-		goto out_fail;
-	      new_buf = buf;
-
-	      use_malloc = true;
-	    }
-	  buf_size = this_buf_size;
-
-	  iov.iov_base = buf;
-	  iov.iov_len = this_buf_size;
-
-	  /* Increase sequence number, so that we can distinguish
-	     between old and new request messages.  */
-	  h->seq++;
-
-	  if (__netlink_sendreq (h, type) < 0)
-	    goto out_fail;
-
-	  continue;
-	}
+	goto out_fail;
 
       size_t count = 0;
       size_t remaining_len = read_len;
diff --git a/sysdeps/unix/sysv/linux/internal_statvfs.c b/sysdeps/unix/sysv/linux/internal_statvfs.c
index 28c1cb691f..73317ecafd 100644
--- a/sysdeps/unix/sysv/linux/internal_statvfs.c
+++ b/sysdeps/unix/sysv/linux/internal_statvfs.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2003, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -156,8 +156,6 @@ __statvfs_getflags (const char *name, int fstype, struct stat64 *st)
 		  result |= ST_NOATIME;
 		else if (strcmp (opt, "nodiratime") == 0)
 		  result |= ST_NODIRATIME;
-		else if (strcmp (opt, "relatime") == 0)
-		  result |= ST_RELATIME;
 
 	      /* We can stop looking for more entries.  */
 	      success = true;
diff --git a/sysdeps/unix/sysv/linux/posix_madvise.c b/sysdeps/unix/sysv/linux/posix_madvise.c
new file mode 100644
index 0000000000..880b17ef31
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/posix_madvise.c
@@ -0,0 +1,38 @@
+/* Copyright (C) 2007 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 <sysdep.h>
+#include <sys/mman.h>
+
+
+int
+posix_madvise (void *addr, size_t len, int advice)
+{
+  /* We have one problem: the kernel's MADV_DONTNEED does not
+     correspond to POSIX's POSIX_MADV_DONTNEED.  The former simply
+     discards changes made to the memory without writing it back to
+     disk, if this would be necessary.  The POSIX behavior does not
+     allow this.  There is no functionality mapping the POSIX behavior
+     so far so we ignore that advice for now.  */
+  if (advice == POSIX_MADV_DONTNEED)
+    return 0;
+
+  INTERNAL_SYSCALL_DECL (err);
+  int result = INTERNAL_SYSCALL (madvise, err, 3, addr, len, advice);
+  return INTERNAL_SYSCALL_ERRNO (result, err);
+}
diff --git a/sysdeps/unix/sysv/linux/sh/bits/shm.h b/sysdeps/unix/sysv/linux/sh/bits/shm.h
deleted file mode 100644
index 189179394b..0000000000
--- a/sysdeps/unix/sysv/linux/sh/bits/shm.h
+++ /dev/null
@@ -1,101 +0,0 @@
-/* Copyright (C) 1995,1996,1997,2000,2002,2004,2006 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.  */
-
-#ifndef _SYS_SHM_H
-# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
-#endif
-
-#include <bits/types.h>
-
-/* Permission flag for shmget.  */
-#define SHM_R		0400		/* or S_IRUGO from <linux/stat.h> */
-#define SHM_W		0200		/* or S_IWUGO from <linux/stat.h> */
-
-/* Flags for `shmat'.  */
-#define SHM_RDONLY	010000		/* attach read-only else read-write */
-#define SHM_RND		020000		/* round attach address to SHMLBA */
-#define SHM_REMAP	040000		/* take-over region on attach */
-
-/* Commands for `shmctl'.  */
-#define SHM_LOCK	11		/* lock segment (root only) */
-#define SHM_UNLOCK	12		/* unlock segment (root only) */
-
-__BEGIN_DECLS
-
-/* Segment low boundary address multiple.  */
-#define SHMLBA		0x4000
-
-/* Type to count number of attaches.  */
-typedef unsigned long int shmatt_t;
-
-/* Data structure describing a set of semaphores.  */
-struct shmid_ds
-  {
-    struct ipc_perm shm_perm;		/* operation permission struct */
-    size_t shm_segsz;			/* size of segment in bytes */
-    __time_t shm_atime;			/* time of last shmat() */
-    unsigned long int __unused1;
-    __time_t shm_dtime;			/* time of last shmdt() */
-    unsigned long int __unused2;
-    __time_t shm_ctime;			/* time of last change by shmctl() */
-    unsigned long int __unused3;
-    __pid_t shm_cpid;			/* pid of creator */
-    __pid_t shm_lpid;			/* pid of last shmop */
-    shmatt_t shm_nattch;		/* number of current attaches */
-    unsigned long int __unused4;
-    unsigned long int __unused5;
-  };
-
-#ifdef __USE_MISC
-
-/* ipcs ctl commands */
-# define SHM_STAT 	13
-# define SHM_INFO 	14
-
-/* shm_mode upper byte flags */
-# define SHM_DEST	01000	/* segment will be destroyed on last detach */
-# define SHM_LOCKED	02000   /* segment will not be swapped */
-# define SHM_HUGETLB	04000	/* segment is mapped via hugetlb */
-# define SHM_NORESERVE	010000	/* don't check for reservations */
-
-struct	shminfo
-  {
-    unsigned long int shmmax;
-    unsigned long int shmmin;
-    unsigned long int shmmni;
-    unsigned long int shmseg;
-    unsigned long int shmall;
-    unsigned long int __unused1;
-    unsigned long int __unused2;
-    unsigned long int __unused3;
-    unsigned long int __unused4;
-  };
-
-struct shm_info
-  {
-    int used_ids;
-    unsigned long int shm_tot;	/* total allocated shm */
-    unsigned long int shm_rss;	/* total resident shm */
-    unsigned long int shm_swp;	/* total swapped shm */
-    unsigned long int swap_attempts;
-    unsigned long int swap_successes;
-  };
-
-#endif /* __USE_MISC */
-
-__END_DECLS
diff --git a/sysdeps/unix/sysv/linux/sh/sys/io.h b/sysdeps/unix/sysv/linux/sh/sys/io.h
new file mode 100644
index 0000000000..6fdc44ff89
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sh/sys/io.h
@@ -0,0 +1,48 @@
+/* Copyright (C) 1996, 1998, 1999, 2000 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.  */
+
+#ifndef	_SYS_IO_H
+
+#define	_SYS_IO_H	1
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* If TURN_ON is TRUE, request for permission to do direct i/o on the
+   port numbers in the range [FROM,FROM+NUM-1].  Otherwise, turn I/O
+   permission off for that range.  This call requires root privileges.  */
+extern int ioperm (unsigned long int __from, unsigned long int __num,
+		   int __turn_on) __THROW;
+
+/* Set the I/O privilege level to LEVEL.  If LEVEL is nonzero,
+   permission to access any I/O port is granted.  This call requires
+   root privileges. */
+extern int iopl (int __level) __THROW;
+
+/* The functions that actually perform reads and writes.  */
+extern unsigned char inb (unsigned long int port) __THROW;
+extern unsigned short int inw (unsigned long int port) __THROW;
+extern unsigned long int inl (unsigned long int port) __THROW;
+
+extern void outb (unsigned char value, unsigned long int port) __THROW;
+extern void outw (unsigned short value, unsigned long int port) __THROW;
+extern void outl (unsigned long value, unsigned long int port) __THROW;
+
+__END_DECLS
+
+#endif /* _SYS_IO_H */
diff --git a/sysdeps/unix/sysv/linux/sys/epoll.h b/sysdeps/unix/sysv/linux/sys/epoll.h
index d8901f7d53..68f173a04d 100644
--- a/sysdeps/unix/sysv/linux/sys/epoll.h
+++ b/sysdeps/unix/sysv/linux/sys/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+/* 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
@@ -22,14 +22,6 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-/* Get __sigset_t.  */
-#include <bits/sigset.h>
-
-#ifndef __sigset_t_defined
-# define __sigset_t_defined
-typedef __sigset_t sigset_t;
-#endif
-
 
 enum EPOLL_EVENTS
   {
@@ -113,16 +105,6 @@ extern int epoll_ctl (int __epfd, int __op, int __fd,
 extern int epoll_wait (int __epfd, struct epoll_event *__events,
 		       int __maxevents, int __timeout);
 
-
-/* Same as epoll_wait, but the thread's signal mask is temporarily
-   and atomically replaced with the one provided as parameter.
-
-   This function is a cancellation point and therefore not marked with
-   __THROW.  */
-extern int epoll_pwait (int __epfd, struct epoll_event *__events,
-			int __maxevents, int __timeout,
-			__const __sigset_t *__ss);
-
 __END_DECLS
 
 #endif /* sys/epoll.h */
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index 5776673733..e16110480f 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -10,8 +10,7 @@ delete_module	EXTRA	delete_module	3	delete_module
 epoll_create	EXTRA	epoll_create	i:i	epoll_create
 epoll_ctl	EXTRA	epoll_ctl	i:iiip	epoll_ctl
 epoll_wait	EXTRA	epoll_wait	Ci:ipii	epoll_wait
-epoll_pwait	EXTRA	epoll_pwait	Ci:ipiipi	epoll_pwait
-fdatasync	-	fdatasync	i:i	fdatasync
+fdatasync	-	fdatasync	Ci:i	fdatasync
 flock		-	flock		i:ii	__flock		flock
 fork		-	fork		i:	__libc_fork	__fork fork
 get_kernel_syms	EXTRA	get_kernel_syms	i:p	get_kernel_syms
@@ -32,7 +31,6 @@ ioperm		-	ioperm		i:iii	ioperm
 iopl		-	iopl		i:i	iopl
 klogctl		EXTRA	syslog		i:isi	klogctl
 lchown		-	lchown		i:sii	__lchown	lchown
-posix_madvise	-	madvise		Vi:pii	posix_madvise
 madvise		-	madvise		i:pii	madvise
 mincore		-	mincore		i:anV	mincore
 mlock		-	mlock		i:bn	mlock
diff --git a/sysdeps/unix/sysv/linux/x86_64/Makefile b/sysdeps/unix/sysv/linux/x86_64/Makefile
index bdad5063df..0f20367236 100644
--- a/sysdeps/unix/sysv/linux/x86_64/Makefile
+++ b/sysdeps/unix/sysv/linux/x86_64/Makefile
@@ -10,6 +10,6 @@ ifeq ($(subdir),stdlib)
 sysdep_routines += __start_context
 endif
 
-ifeq ($(subdir),csu)
+ifeq ($(subdir),stdlib)
 gen-as-const-headers += ucontext_i.sym
 endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/clone.S b/sysdeps/unix/sysv/linux/x86_64/clone.S
index db42f209c9..8a12b09035 100644
--- a/sysdeps/unix/sysv/linux/x86_64/clone.S
+++ b/sysdeps/unix/sysv/linux/x86_64/clone.S
@@ -89,9 +89,6 @@ L(pseudo_end):
 	ret
 
 L(thread_start):
-	cfi_startproc;
-	/* Clearing frame pointer is insufficient, use CFI.  */
-	cfi_undefined (rip);
 	/* Clear the frame pointer.  The ABI suggests this be done, to mark
 	   the outermost frame obviously.  */
 	xorl	%ebp, %ebp
@@ -116,7 +113,6 @@ L(thread_start):
 	/* Call exit with return value from function call. */
 	movq	%rax, %rdi
 	call	HIDDEN_JUMPTARGET (_exit)
-	cfi_endproc;
 
 	cfi_startproc;
 PSEUDO_END (BP_SYM (__clone))
diff --git a/sysdeps/unix/sysv/linux/x86_64/sigaction.c b/sysdeps/unix/sysv/linux/x86_64/sigaction.c
index ab10123858..d6f4558cef 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sigaction.c
+++ b/sysdeps/unix/sysv/linux/x86_64/sigaction.c
@@ -1,5 +1,5 @@
 /* POSIX.1 `sigaction' call for Linux/x86-64.
-   Copyright (C) 2001, 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2003, 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
@@ -33,14 +33,17 @@
    translate it here.  */
 #include <kernel_sigaction.h>
 
-#include "ucontext_i.h"
-
 /* We do not globally define the SA_RESTORER flag so do it here.  */
 #define SA_RESTORER 0x04000000
 
 /* Using the hidden attribute here does not change the code but it
    helps to avoid warnings.  */
+#if defined HAVE_HIDDEN && defined HAVE_VISIBILITY_ATTRIBUTE \
+    && !defined HAVE_BROKEN_VISIBILITY_ATTRIBUTE
 extern void restore_rt (void) asm ("__restore_rt") attribute_hidden;
+#else
+static void restore_rt (void) asm ("__restore_rt");
+#endif
 
 
 /* If ACT is not NULL, change the action for SIG to *ACT.
@@ -92,95 +95,18 @@ weak_alias (__libc_sigaction, sigaction)
    signal handlers work right.  Important are both the names
    (__restore_rt) and the exact instruction sequence.
    If you ever feel the need to make any changes, please notify the
-   appropriate GDB maintainer.
-
-   The unwind information starts a byte before __restore_rt, so that
-   it is found when unwinding, to get an address the unwinder assumes
-   will be in the middle of a call instruction.  See the Linux kernel
-   (the i386 vsyscall, in particular) for an explanation of the complex
-   unwind information used here in order to get the traditional CFA.
-   We do not restore cs - it's only stored as two bytes here so that's
-   a bit tricky.  We don't use the gas cfi directives, so that we can
-   reliably add .cfi_signal_frame.  */
-
-#define do_cfa_expr						\
-  "	.byte 0x0f\n"		/* DW_CFA_def_cfa_expression */	\
-  "	.uleb128 2f-1f\n"	/* length */			\
-  "1:	.byte 0x77\n"		/* DW_OP_breg7 */		\
-  "	.sleb128 " CFI_STRINGIFY (oRSP) "\n"			\
-  "	.byte 0x06\n"		/* DW_OP_deref */		\
-  "2:"
-
-#define do_expr(regno, offset)					\
-  "	.byte 0x10\n"		/* DW_CFA_expression */		\
-  "	.uleb128 " CFI_STRINGIFY (regno) "\n"			\
-  "	.uleb128 2f-1f\n"	/* length */			\
-  "1:	.byte 0x77\n"		/* DW_OP_breg7 */		\
-  "	.sleb128 " CFI_STRINGIFY (offset) "\n"			\
-  "2:"
+   appropriate GDB maintainer.  */
 
 #define RESTORE(name, syscall) RESTORE2 (name, syscall)
 # define RESTORE2(name, syscall) \
-asm									\
-  (									\
-   /* `nop' for debuggers assuming `call' should not disalign the code.  */ \
-   "	nop\n"								\
-   ".align 16\n"							\
-   ".LSTART_" #name ":\n"						\
-   "	.type __" #name ",@function\n"					\
-   "__" #name ":\n"							\
-   "	movq $" #syscall ", %rax\n"					\
-   "	syscall\n"							\
-   ".LEND_" #name ":\n"							\
-   ".section .eh_frame,\"a\",@progbits\n"				\
-   ".LSTARTFRAME_" #name ":\n"						\
-   "	.long .LENDCIE_" #name "-.LSTARTCIE_" #name "\n"		\
-   ".LSTARTCIE_" #name ":\n"						\
-   "	.long 0\n"	/* CIE ID */					\
-   "	.byte 1\n"	/* Version number */				\
-   "	.string \"zRS\"\n" /* NUL-terminated augmentation string */	\
-   "	.uleb128 1\n"	/* Code alignment factor */			\
-   "	.sleb128 -8\n"	/* Data alignment factor */			\
-   "	.uleb128 16\n"	/* Return address register column (rip) */	\
-   /* Augmentation value length */					\
-   "	.uleb128 .LENDAUGMNT_" #name "-.LSTARTAUGMNT_" #name "\n"	\
-   ".LSTARTAUGMNT_" #name ":\n"						\
-   "	.byte 0x1b\n"	/* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */		\
-   ".LENDAUGMNT_" #name ":\n"						\
-   "	.align 8\n"							\
-   ".LENDCIE_" #name ":\n"						\
-   "	.long .LENDFDE_" #name "-.LSTARTFDE_" #name "\n" /* FDE len */	\
-   ".LSTARTFDE_" #name ":\n"						\
-   "	.long .LSTARTFDE_" #name "-.LSTARTFRAME_" #name "\n" /* CIE */	\
-   /* `LSTART_' is subtracted 1 as debuggers assume a `call' here.  */	\
-   "	.long (.LSTART_" #name "-1)-.\n" /* PC-relative start addr.  */	\
-   "	.long .LEND_" #name "-(.LSTART_" #name "-1)\n"			\
-   "	.uleb128 0\n"			/* FDE augmentation length */	\
-   do_cfa_expr								\
-   do_expr (8 /* r8 */, oR8)						\
-   do_expr (9 /* r9 */, oR9)						\
-   do_expr (10 /* r10 */, oR10)						\
-   do_expr (11 /* r11 */, oR11)						\
-   do_expr (12 /* r12 */, oR12)						\
-   do_expr (13 /* r13 */, oR13)						\
-   do_expr (14 /* r14 */, oR14)						\
-   do_expr (15 /* r15 */, oR15)						\
-   do_expr (5 /* rdi */, oRDI)						\
-   do_expr (4 /* rsi */, oRSI)						\
-   do_expr (6 /* rbp */, oRBP)						\
-   do_expr (3 /* rbx */, oRBX)						\
-   do_expr (1 /* rdx */, oRDX)						\
-   do_expr (0 /* rax */, oRAX)						\
-   do_expr (2 /* rcx */, oRCX)						\
-   do_expr (7 /* rsp */, oRSP)						\
-   do_expr (16 /* rip */, oRIP)						\
-   /* libgcc-4.1.1 has only `DWARF_FRAME_REGISTERS == 17'.  */		\
-   /* do_expr (49 |* rflags *|, oEFL) */				\
-   /* `cs'/`ds'/`fs' are unaligned and a different size.  */		\
-   /* gas: Error: register save offset not a multiple of 8  */		\
-   "	.align 8\n"							\
-   ".LENDFDE_" #name ":\n"						\
-   "	.previous\n"							\
+asm						\
+  (						\
+   ".align 16\n"				\
+   CFI_STARTPROC "\n"				\
+   "__" #name ":\n"				\
+   "	movq $" #syscall ", %rax\n"		\
+   "	syscall\n"				\
+   CFI_ENDPROC "\n"				\
    );
 /* The return code for realtime-signals.  */
 RESTORE (restore_rt, __NR_rt_sigreturn)
diff --git a/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym b/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym
index af3e0e544b..b3cfe9aa4c 100644
--- a/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym
+++ b/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym
@@ -18,8 +18,6 @@ oRSP		mreg (RSP)
 oRBX		mreg (RBX)
 oR8		mreg (R8)
 oR9		mreg (R9)
-oR10		mreg (R10)
-oR11		mreg (R11)
 oR12		mreg (R12)
 oR13		mreg (R13)
 oR14		mreg (R14)
@@ -30,7 +28,6 @@ oRDX		mreg (RDX)
 oRAX		mreg (RAX)
 oRCX		mreg (RCX)
 oRIP		mreg (RIP)
-oEFL		mreg (EFL)
 oFPREGS		mcontext (fpregs)
 oSIGMASK	ucontext (uc_sigmask)
 oFPREGSMEM	ucontext (__fpregs_mem)