2.5-18.1

23 files changed, 312 insertions, 125 deletions

diff --git a/sysdeps/unix/sysv/linux/x86_64/Dist b/sysdeps/unix/sysv/linux/x86_64/Dist
deleted file mode 100644
index 57dd1b2221..0000000000
--- a/sysdeps/unix/sysv/linux/x86_64/Dist
+++ /dev/null
@@ -1,11 +0,0 @@
-clone.S
-ldd-rewrite.sed
-__start_context.S
-ucontext_i.h
-umount.c
-sys/debugreg.h
-sys/io.h
-sys/perm.h
-sys/procfs.h
-sys/reg.h
-sys/user.h
diff --git a/sysdeps/unix/sysv/linux/x86_64/Makefile b/sysdeps/unix/sysv/linux/x86_64/Makefile
index 627275db09..0f20367236 100644
--- a/sysdeps/unix/sysv/linux/x86_64/Makefile
+++ b/sysdeps/unix/sysv/linux/x86_64/Makefile
@@ -9,3 +9,7 @@ endif
 ifeq ($(subdir),stdlib)
 sysdep_routines += __start_context
 endif
+
+ifeq ($(subdir),stdlib)
+gen-as-const-headers += ucontext_i.sym
+endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h b/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
index 9198c70bd4..fa1d02bc1f 100644
--- a/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h
@@ -1,5 +1,5 @@
 /* O_*, F_*, FD_* bit values for Linux/x86-64.
-   Copyright (C) 2001, 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2001, 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
@@ -21,9 +21,12 @@
 # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
 #endif
 
-
 #include <sys/types.h>
 #include <bits/wordsize.h>
+#ifdef __USE_GNU
+# include <bits/uio.h>
+#endif
+
 
 /* open/fcntl - O_SYNC is only implemented on blocks devices and on files
    located on an ext2 file system */
@@ -110,7 +113,7 @@
 # define F_NOTIFY	1026	/* Request notfications on a directory.	 */
 #endif
 
-/* For F_[GET|SET]FL.  */
+/* For F_[GET|SET]FD.  */
 #define FD_CLOEXEC	1	/* actually anything with low bit set goes */
 
 /* For posix fcntl() and `l_type' field of a `struct flock' for lockf().  */
@@ -194,10 +197,55 @@ struct flock64
 # define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
 #endif
 
+
+#ifdef __USE_GNU
+/* Flags for SYNC_FILE_RANGE.  */
+# define SYNC_FILE_RANGE_WAIT_BEFORE	1 /* Wait upon writeout of all pages
+					     in the range before performing the
+					     write.  */
+# define SYNC_FILE_RANGE_WRITE		2 /* Initiate writeout of all those
+					     dirty pages in the range which are
+					     not presently under writeback.  */
+# define SYNC_FILE_RANGE_WAIT_AFTER	4 /* Wait upon writeout of all pages in
+					     the range after performing the
+					     write.  */
+
+/* Flags for SPLICE and VMSPLICE.  */
+# define SPLICE_F_MOVE		1	/* Move pages instead of copying.  */
+# define SPLICE_F_NONBLOCK	2	/* Don't block on the pipe splicing
+					   (but we may still block on the fd
+					   we splice from/to).  */
+# define SPLICE_F_MORE		4	/* Expect more data.  */
+# define SPLICE_F_GIFT		8	/* Pages passed in are a gift.  */
+#endif
+
 __BEGIN_DECLS
 
+#ifdef __USE_GNU
+
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+
+/* Selective file content synch'ing.  */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+			    unsigned int __flags);
+
+
+/* Splice address range into a pipe.  */
+extern int vmsplice (int __fdout, const struct iovec *__iov, size_t __count,
+		     unsigned int __flags);
+
+/* Splice two files together.  */
+extern int splice (int __fdin, __off64_t *__offin, int __fdout,
+		   __off64_t *__offout, size_t __len, unsigned int __flags)
+    __THROW;
+
+/* In-kernel implementation of tee for pipe buffers.  */
+extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
+    __THROW;
+
+#endif
+
 __END_DECLS
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/mman.h b/sysdeps/unix/sysv/linux/x86_64/bits/mman.h
index a7bac26935..535c9edcf9 100644
--- a/sysdeps/unix/sysv/linux/x86_64/bits/mman.h
+++ b/sysdeps/unix/sysv/linux/x86_64/bits/mman.h
@@ -1,5 +1,5 @@
 /* Definitions for POSIX memory map interface.  Linux/x86_64 version.
-   Copyright (C) 2001, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2003, 2005, 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
@@ -79,6 +79,7 @@
 /* Flags for `mremap'.  */
 #ifdef __USE_GNU
 # define MREMAP_MAYMOVE	1
+# define MREMAP_FIXED	2
 #endif
 
 /* Advice to `madvise'.  */
@@ -88,6 +89,9 @@
 # define MADV_SEQUENTIAL 2	/* Expect sequential page references.  */
 # define MADV_WILLNEED	 3	/* Will need these pages.  */
 # define MADV_DONTNEED	 4	/* Don't need these pages.  */
+# define MADV_REMOVE	 9	/* Remove these pages and resources.  */
+# define MADV_DONTFORK	 10	/* Do not inherit across fork.  */
+# define MADV_DOFORK	 11	/* Do inherit across fork.  */
 #endif
 
 /* The POSIX people had to invent similar names for the same things.  */
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/shm.h b/sysdeps/unix/sysv/linux/x86_64/bits/shm.h
index 4282d75617..3d8c05d212 100644
--- a/sysdeps/unix/sysv/linux/x86_64/bits/shm.h
+++ b/sysdeps/unix/sysv/linux/x86_64/bits/shm.h
@@ -80,6 +80,7 @@ struct shmid_ds
 # 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
   {
diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h b/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h
index 08d4c52b2f..c0d5fe72d4 100644
--- a/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h
+++ b/sysdeps/unix/sysv/linux/x86_64/bits/sigcontext.h
@@ -70,6 +70,14 @@ struct _fpstate
   __uint32_t		padding[56];
 };
 
+#ifndef sigcontext_struct
+/* Kernel headers before 2.1.1 define a struct sigcontext_struct, but
+   we need sigcontext.  Some packages have come to rely on
+   sigcontext_struct being defined on 32-bit x86, so define this for
+   their benefit.  */
+# define sigcontext_struct sigcontext
+#endif
+
 struct sigcontext
 {
   unsigned short gs, __gsh;
diff --git a/sysdeps/unix/sysv/linux/x86_64/brk.c b/sysdeps/unix/sysv/linux/x86_64/brk.c
index 09b7dd4707..8b18c4dbb9 100644
--- a/sysdeps/unix/sysv/linux/x86_64/brk.c
+++ b/sysdeps/unix/sysv/linux/x86_64/brk.c
@@ -1 +1,42 @@
-#include <sysdeps/unix/sysv/linux/hppa/brk.c>
+/* brk system call for Linux/x86_64.
+   Copyright (C) 1995, 1996, 2000, 2001, 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.  */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sysdep.h>
+
+/* This must be initialized data because commons can't have aliases.  */
+void *__curbrk = 0;
+
+int
+__brk (void *addr)
+{
+  void *newbrk;
+
+  __curbrk = newbrk = (void *) INLINE_SYSCALL (brk, 1, addr);
+
+  if (newbrk < addr)
+    {
+      __set_errno (ENOMEM);
+      return -1;
+    }
+
+  return 0;
+}
+weak_alias (__brk, brk)
diff --git a/sysdeps/unix/sysv/linux/x86_64/clone.S b/sysdeps/unix/sysv/linux/x86_64/clone.S
index 9695e1eaf8..8a12b09035 100644
--- a/sysdeps/unix/sysv/linux/x86_64/clone.S
+++ b/sysdeps/unix/sysv/linux/x86_64/clone.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 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
@@ -74,7 +74,7 @@ ENTRY (BP_SYM (__clone))
 	movq	%r8, %rdx
 	movq	%r9, %r8
 	movq	8(%rsp), %r10
-	movq	$SYS_ify(clone),%rax
+	movl	$SYS_ify(clone),%eax
 
 	/* End FDE now, because in the child the unwind info will be
 	   wrong.  */
@@ -91,7 +91,7 @@ L(pseudo_end):
 L(thread_start):
 	/* Clear the frame pointer.  The ABI suggests this be done, to mark
 	   the outermost frame obviously.  */
-	xorq	%rbp, %rbp
+	xorl	%ebp, %ebp
 
 #ifdef RESET_PID
 	testq	$CLONE_THREAD, %rdi
@@ -99,7 +99,7 @@ L(thread_start):
 	testq	$CLONE_VM, %rdi
 	movl	$-1, %eax
 	jne	2f
-	movq	$SYS_ify(getpid), %rax
+	movl	$SYS_ify(getpid), %eax
 	syscall
 2:	movl	%eax, %fs:PID
 	movl	%eax, %fs:TID
diff --git a/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.c b/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.c
index 7e26fecb3a..6662a94d09 100644
--- a/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.c
+++ b/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.c
@@ -1,5 +1,5 @@
 #ifdef IS_IN_ldconfig
-#include <sysdeps/i386/dl-procinfo.c>
+# include <sysdeps/i386/dl-procinfo.c>
 #else
-#include <sysdeps/generic/dl-procinfo.c>
+# include <sysdeps/generic/dl-procinfo.c>
 #endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.h b/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.h
index b360b4288a..31455204c3 100644
--- a/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.h
+++ b/sysdeps/unix/sysv/linux/x86_64/dl-procinfo.h
@@ -1,5 +1,5 @@
 #ifdef IS_IN_ldconfig
-#include <sysdeps/unix/sysv/linux/i386/dl-procinfo.h>
+# include <sysdeps/unix/sysv/linux/i386/dl-procinfo.h>
 #else
-#include <sysdeps/generic/dl-procinfo.h>
+# include <sysdeps/generic/dl-procinfo.h>
 #endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/getcontext.S b/sysdeps/unix/sysv/linux/x86_64/getcontext.S
index 2f2c710040..4bbc7a4d2e 100644
--- a/sysdeps/unix/sysv/linux/x86_64/getcontext.S
+++ b/sysdeps/unix/sysv/linux/x86_64/getcontext.S
@@ -1,5 +1,5 @@
 /* Save current context.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 2002.
 
@@ -67,18 +67,22 @@ ENTRY(__getcontext)
 	/* Save the current signal mask with
 	   rt_sigprocmask (SIG_BLOCK, NULL, set,_NSIG/8).  */
 	leaq	oSIGMASK(%rdi), %rdx
-	xorq	%rsi,%rsi
-	movq	$SIG_BLOCK, %rdi
-	movq	$_NSIG8,%r10
-	movq	$__NR_rt_sigprocmask, %rax
+	xorl	%esi,%esi
+#if SIG_BLOCK == 0
+	xorl	%edi, %edi
+#else
+	movl	$SIG_BLOCK, %edi
+#endif
+	movl	$_NSIG8,%r10d
+	movl	$__NR_rt_sigprocmask, %eax
 	syscall
 	cmpq	$-4095, %rax		/* Check %rax for error.  */
 	jae	SYSCALL_ERROR_LABEL	/* Jump to error handler if error.  */
 
 	/* All done, return 0 for success.  */
-	xorq	%rax, %rax
+	xorl	%eax, %eax
 L(pseudo_end):
 	ret
 PSEUDO_END(__getcontext)
 
-weak_alias(__getcontext, getcontext)
+weak_alias (__getcontext, getcontext)
diff --git a/sysdeps/unix/sysv/linux/x86_64/makecontext.c b/sysdeps/unix/sysv/linux/x86_64/makecontext.c
index c763556b93..5deea7d1b2 100644
--- a/sysdeps/unix/sysv/linux/x86_64/makecontext.c
+++ b/sysdeps/unix/sysv/linux/x86_64/makecontext.c
@@ -1,5 +1,5 @@
 /* Create new context.
-   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 2002.
 
@@ -20,6 +20,7 @@
 
 #include <sysdep.h>
 #include <stdarg.h>
+#include <stdint.h>
 #include <ucontext.h>
 
 #include "ucontext_i.h"
@@ -52,28 +53,29 @@ void
 __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
 {
   extern void __start_context (void);
-  unsigned long *sp, idx_uc_link;
+  unsigned long int *sp, idx_uc_link;
   va_list ap;
   int i;
 
   /* Generate room on stack for parameter if needed and uc_link.  */
-  sp = (long *) ((long) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size);
+  sp = (unsigned long int *) ((uintptr_t) ucp->uc_stack.ss_sp
+			      + ucp->uc_stack.ss_size);
   sp -= (argc > 6 ? argc - 6 : 0) + 1;
   /* Align stack and make space for trampoline address.  */
-  sp = (long *) ((((long) sp) & -16L) - 8);
+  sp = (unsigned long int *) ((((uintptr_t) sp) & -16L) - 8);
 
   idx_uc_link = (argc > 6 ? argc - 6 : 0) + 1;
 
   /* Setup context ucp.  */
   /* Address to jump to.  */
-  ucp->uc_mcontext.gregs[REG_RIP] = (long) func;
+  ucp->uc_mcontext.gregs[REG_RIP] = (long int) func;
   /* Setup rbx.*/
-  ucp->uc_mcontext.gregs[REG_RBX] = (long) &sp[idx_uc_link];
-  ucp->uc_mcontext.gregs[REG_RSP] = (long) sp;
+  ucp->uc_mcontext.gregs[REG_RBX] = (long int) &sp[idx_uc_link];
+  ucp->uc_mcontext.gregs[REG_RSP] = (long int) sp;
 
   /* Setup stack.  */
-  sp[0] = (long) &__start_context;
-  sp[idx_uc_link] = (long) ucp->uc_link;
+  sp[0] = (unsigned long int) &__start_context;
+  sp[idx_uc_link] = (unsigned long int) ucp->uc_link;
 
   va_start (ap, argc);
   /* Handle arguments.  */
@@ -108,4 +110,4 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
 }
 
 
-weak_alias(__makecontext, makecontext)
+weak_alias (__makecontext, makecontext)
diff --git a/sysdeps/unix/sysv/linux/x86_64/readelflib.c b/sysdeps/unix/sysv/linux/x86_64/readelflib.c
index c672f1df5a..5a49af3fa6 100644
--- a/sysdeps/unix/sysv/linux/x86_64/readelflib.c
+++ b/sysdeps/unix/sysv/linux/x86_64/readelflib.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2001, 2002, 2005 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.
@@ -53,10 +53,10 @@ process_elf_file (const char *file_name, const char *lib, int *flag,
 #undef process_elf_file
 #define process_elf_file process_elf32_file
 #define __ELF_NATIVE_CLASS 32
-#include "sysdeps/generic/readelflib.c"
+#include "elf/readelflib.c"
 
 #undef __ELF_NATIVE_CLASS
 #undef process_elf_file
 #define process_elf_file process_elf64_file
 #define __ELF_NATIVE_CLASS 64
-#include "sysdeps/generic/readelflib.c"
+#include "elf/readelflib.c"
diff --git a/sysdeps/unix/sysv/linux/x86_64/setcontext.S b/sysdeps/unix/sysv/linux/x86_64/setcontext.S
index 65c03d8a01..61fc07f44f 100644
--- a/sysdeps/unix/sysv/linux/x86_64/setcontext.S
+++ b/sysdeps/unix/sysv/linux/x86_64/setcontext.S
@@ -1,5 +1,5 @@
 /* Install given context.
-   Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 2002.
 
@@ -40,10 +40,10 @@ ENTRY(__setcontext)
 	/* Set the signal mask with
 	   rt_sigprocmask (SIG_SETMASK, mask, NULL, _NSIG/8).  */
 	leaq	oSIGMASK(%rdi), %rsi
-	xorq	%rdx, %rdx
-	movq	$SIG_SETMASK, %rdi
-	movq	$_NSIG8,%r10
-	movq	$__NR_rt_sigprocmask, %rax
+	xorl	%edx, %edx
+	movl	$SIG_SETMASK, %edi
+	movl	$_NSIG8,%r10d
+	movl	$__NR_rt_sigprocmask, %eax
 	syscall
 	popq	%rdi			/* Reload %rdi, adjust stack.  */
 	cfi_adjust_cfa_offset(-8)
@@ -96,10 +96,10 @@ ENTRY(__setcontext)
 	cfi_startproc
 
 	/* Clear rax to indicate success.  */
-	xorq	%rax, %rax
+	xorl	%eax, %eax
 
 L(pseudo_end):
 	ret
 PSEUDO_END(__setcontext)
 
-weak_alias(__setcontext, setcontext)
+weak_alias (__setcontext, setcontext)
diff --git a/sysdeps/unix/sysv/linux/x86_64/sigaction.c b/sysdeps/unix/sysv/linux/x86_64/sigaction.c
index 9123047092..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 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
@@ -79,6 +79,10 @@ __libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
 }
 libc_hidden_def (__libc_sigaction)
 
+#ifdef WRAPPER_INCLUDE
+# include WRAPPER_INCLUDE
+#endif
+
 #ifndef LIBC_SIGACTION
 weak_alias (__libc_sigaction, __sigaction)
 libc_hidden_weak (__sigaction)
diff --git a/sysdeps/unix/sysv/linux/x86_64/sigsuspend.c b/sysdeps/unix/sysv/linux/x86_64/sigsuspend.c
deleted file mode 100644
index 9c5c79e63e..0000000000
--- a/sysdeps/unix/sysv/linux/x86_64/sigsuspend.c
+++ /dev/null
@@ -1 +0,0 @@
-#include <sysdeps/unix/sysv/linux/ia64/sigsuspend.c>
diff --git a/sysdeps/unix/sysv/linux/x86_64/swapcontext.S b/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
index 4394e2ae9f..fc7996ccdc 100644
--- a/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
@@ -1,5 +1,5 @@
 /* Save current context and install the given one.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 2002.
 
@@ -73,9 +73,9 @@ ENTRY(__swapcontext)
 	   rt_sigprocmask (SIG_BLOCK, newset, oldset,_NSIG/8).  */
 	leaq	oSIGMASK(%rdi), %rdx
 	leaq	oSIGMASK(%rsi), %rsi
-	movq	$SIG_SETMASK, %rdi
-	movq	$_NSIG8,%r10
-	movq	$__NR_rt_sigprocmask, %rax
+	movl	$SIG_SETMASK, %edi
+	movl	$_NSIG8,%r10d
+	movl	$__NR_rt_sigprocmask, %eax
 	syscall
 	cmpq	$-4095, %rax		/* Check %rax for error.  */
 	jae	SYSCALL_ERROR_LABEL	/* Jump to error handler if error.  */
@@ -114,10 +114,10 @@ ENTRY(__swapcontext)
 	movq	oRSI(%rsi), %rsi
 
 	/* Clear rax to indicate success.  */
-	xorq	%rax, %rax
+	xorl	%eax, %eax
 
 L(pseudo_end):
 	ret
 PSEUDO_END(__swapcontext)
 
-weak_alias(__swapcontext, swapcontext)
+weak_alias (__swapcontext, swapcontext)
diff --git a/sysdeps/unix/sysv/linux/x86_64/sys/epoll.h b/sysdeps/unix/sysv/linux/x86_64/sys/epoll.h
index cffddb58b3..02672d3c75 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sys/epoll.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sys/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002,2003,2004,2005,2006 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
@@ -98,9 +98,12 @@ extern int epoll_ctl (int __epfd, int __op, int __fd,
    "events" parameter is a buffer that will contain triggered
    events. The "maxevents" is the maximum number of events to be
    returned ( usually size of "events" ). The "timeout" parameter
-   specifies the maximum wait time in milliseconds (-1 == infinite).  */
+   specifies the maximum wait time in milliseconds (-1 == infinite).
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
 extern int epoll_wait (int __epfd, struct epoll_event *__events,
-		       int __maxevents, int __timeout) __THROW;
+		       int __maxevents, int __timeout);
 
 __END_DECLS
 
diff --git a/sysdeps/unix/sysv/linux/x86_64/sysconf.c b/sysdeps/unix/sysv/linux/x86_64/sysconf.c
index 407fd46bc3..5a898b7857 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sysconf.c
+++ b/sysdeps/unix/sysv/linux/x86_64/sysconf.c
@@ -1,5 +1,5 @@
 /* Get file-specific information about a file.  Linux version.
-   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003, 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
@@ -45,11 +45,24 @@ static const struct intel_02_cache_info
     { 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 },
     { 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 },
+    { 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 },
     { 0x60, _SC_LEVEL1_DCACHE_SIZE, 16384, 8, 64 },
     { 0x66, _SC_LEVEL1_DCACHE_SIZE, 8192, 4, 64 },
     { 0x67, _SC_LEVEL1_DCACHE_SIZE, 16384, 4, 64 },
@@ -60,6 +73,7 @@ static const struct intel_02_cache_info
     { 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 },
@@ -87,6 +101,7 @@ intel_02_known_compare (const void *p1, const void *p2)
 
 
 static long int
+__attribute__ ((noinline))
 intel_check_word (int name, unsigned int value, bool *has_level_2,
 		  bool *no_level_2_or_3)
 {
@@ -113,6 +128,33 @@ intel_check_word (int name, unsigned int value, bool *has_level_2,
 	}
       else
 	{
+	  if (byte == 0x49 && folded_name == _SC_LEVEL3_CACHE_SIZE)
+	    {
+	      /* Intel reused this value.  For family 15, model 6 it
+		 specifies the 3rd level cache.  Otherwise the 2nd
+		 level cache.  */
+	      unsigned int eax;
+	      unsigned int ebx;
+	      unsigned int ecx;
+	      unsigned int edx;
+	      asm volatile ("xchgl %%ebx, %1; cpuid; xchgl %%ebx, %1"
+			    : "=a" (eax), "=r" (ebx), "=c" (ecx), "=d" (edx)
+			    : "0" (1));
+
+	      unsigned int family = ((eax >> 20) & 0xff) + ((eax >> 8) & 0xf);
+	      unsigned int model = ((((eax >>16) & 0xf) << 4)
+				    + ((eax >> 4) & 0xf));
+	      if (family == 15 && model == 6)
+		{
+		  /* The level 3 cache is encoded for this model like
+		     the level 2 cache is for other models.  Pretend
+		     the caller asked for the level 2 cache.  */
+		  name = (_SC_LEVEL2_CACHE_SIZE
+			  + (name - _SC_LEVEL3_CACHE_SIZE));
+		  folded_name = _SC_LEVEL3_CACHE_SIZE;
+		}
+	    }
+
 	  struct intel_02_cache_info *found;
 	  struct intel_02_cache_info search;
 
@@ -149,7 +191,7 @@ intel_check_word (int name, unsigned int value, bool *has_level_2,
 }
 
 
-static long int
+static long int __attribute__ ((noinline))
 handle_intel (int name, unsigned int maxidx)
 {
   assert (maxidx >= 2);
@@ -206,7 +248,7 @@ handle_intel (int name, unsigned int maxidx)
 }
 
 
-static long int
+static long int __attribute__ ((noinline))
 handle_amd (int name)
 {
   unsigned int eax;
@@ -279,12 +321,6 @@ handle_amd (int name)
 long int
 __sysconf (int name)
 {
-  if (name == _SC_CPUTIME || name == _SC_THREAD_CPUTIME)
-    {
-      /* XXX Test whether TSC is usable.  */
-      return 200112L;
-    }
-
   /* We only handle the cache information here (for now).  */
   if (name < _SC_LEVEL1_ICACHE_SIZE || name > _SC_LEVEL4_CACHE_LINESIZE)
     return linux_sysconf (name);
diff --git a/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
index fd92d7ae16..5dfffca455 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001,02,03,04 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 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
@@ -119,7 +119,7 @@
 # define SYSCALL_ERROR_HANDLER			\
 0:						\
   leaq rtld_errno(%rip), %rcx;			\
-  xorq %rdx, %rdx;				\
+  xorl %edx, %edx;				\
   subq %rax, %rdx;				\
   movl %edx, (%rcx);				\
   orq $-1, %rax;				\
@@ -133,7 +133,7 @@
 # define SYSCALL_ERROR_HANDLER			\
 0:						\
   movq SYSCALL_ERROR_ERRNO@GOTTPOFF(%rip), %rcx;\
-  xorq %rdx, %rdx;				\
+  xorl %edx, %edx;				\
   subq %rax, %rdx;				\
   movl %edx, %fs:(%rcx);			\
   orq $-1, %rax;				\
@@ -143,7 +143,7 @@
    Note that errno occupies only 4 bytes.  */
 # define SYSCALL_ERROR_HANDLER			\
 0:						\
-  xorq %rdx, %rdx;				\
+  xorl %edx, %edx;				\
   subq %rax, %rdx;				\
   pushq %rdx;					\
   cfi_adjust_cfa_offset(8);			\
@@ -161,7 +161,7 @@
 #else /* Not _LIBC_REENTRANT.  */
 # define SYSCALL_ERROR_HANDLER			\
 0:movq errno@GOTPCREL(%RIP), %rcx;		\
-  xorq %rdx, %rdx;				\
+  xorl %edx, %edx;				\
   subq %rax, %rdx;				\
   movl %edx, (%rcx);				\
   orq $-1, %rax;				\
@@ -208,7 +208,7 @@
 #undef	DO_CALL
 #define DO_CALL(syscall_name, args)		\
     DOARGS_##args				\
-    movq $SYS_ify (syscall_name), %rax;		\
+    movl $SYS_ify (syscall_name), %eax;		\
     syscall;
 
 #define DOARGS_0 /* nothing */
@@ -311,4 +311,31 @@
 
 #endif	/* __ASSEMBLER__ */
 
+
+/* Pointer mangling support.  */
+#if defined NOT_IN_libc && defined IS_IN_rtld
+/* We cannot use the thread descriptor because in ld.so we use setjmp
+   earlier than the descriptor is initialized.  */
+# ifdef __ASSEMBLER__
+#  define PTR_MANGLE(reg)	xorq __pointer_chk_guard_local(%rip), reg
+#  define PTR_DEMANGLE(reg)	PTR_MANGLE (reg)
+# else
+#  define PTR_MANGLE(reg)	asm ("xorq __pointer_chk_guard_local(%%rip), %0"\
+				     : "=r" (reg) : "0" (reg))
+#  define PTR_DEMANGLE(reg)	PTR_MANGLE (reg)
+# endif
+#else
+# ifdef __ASSEMBLER__
+#  define PTR_MANGLE(reg)	xorq %fs:POINTER_GUARD, reg
+#  define PTR_DEMANGLE(reg)	PTR_MANGLE (reg)
+# else
+#  define PTR_MANGLE(var)	asm ("xorq %%fs:%c2, %0"		      \
+				     : "=r" (var)			      \
+				     : "0" (var),			      \
+				       "i" (offsetof (tcbhead_t,	      \
+						      pointer_guard)))
+#  define PTR_DEMANGLE(var)	PTR_MANGLE (var)
+# endif
+#endif
+
 #endif /* linux/x86_64/sysdep.h */
diff --git a/sysdeps/unix/sysv/linux/x86_64/ucontext_i.h b/sysdeps/unix/sysv/linux/x86_64/ucontext_i.h
deleted file mode 100644
index 5451a308ee..0000000000
--- a/sysdeps/unix/sysv/linux/x86_64/ucontext_i.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* Offsets and other constants needed in the *context() function
-   implementation for Linux/x86-64.
-   Copyright (C) 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
-   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.  */
-
-#define SIG_BLOCK	0
-#define SIG_SETMASK	2
-
-/* Since we cannot include a header to define _NSIG/8, we define it
-   here.  */
-#define _NSIG8		8
-
-/* Offsets of the fields in the ucontext_t structure.  */
-#define oRBP		120
-#define oRSP		160
-#define oRBX		128
-#define oR8		40
-#define oR9		48
-#define oR12		72
-#define oR13		80
-#define oR14		88
-#define oR15		96
-#define oRDI		104
-#define oRSI		112
-#define oRDX		136
-#define oRAX		144
-#define oRCX		152
-#define oRIP		168
-#define oFPREGS		208
-#define oSIGMASK	280
-#define oFPREGSMEM	408
-#define oMXCSR		432
diff --git a/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym b/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym
new file mode 100644
index 0000000000..b3cfe9aa4c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym
@@ -0,0 +1,34 @@
+#include <stddef.h>
+#include <signal.h>
+#include <sys/ucontext.h>
+
+--
+
+SIG_BLOCK
+SIG_SETMASK
+
+_NSIG8		(_NSIG / 8)
+
+#define ucontext(member)	offsetof (ucontext_t, member)
+#define mcontext(member)	ucontext (uc_mcontext.member)
+#define mreg(reg)		mcontext (gregs[REG_##reg])
+
+oRBP		mreg (RBP)
+oRSP		mreg (RSP)
+oRBX		mreg (RBX)
+oR8		mreg (R8)
+oR9		mreg (R9)
+oR12		mreg (R12)
+oR13		mreg (R13)
+oR14		mreg (R14)
+oR15		mreg (R15)
+oRDI		mreg (RDI)
+oRSI		mreg (RSI)
+oRDX		mreg (RDX)
+oRAX		mreg (RAX)
+oRCX		mreg (RCX)
+oRIP		mreg (RIP)
+oFPREGS		mcontext (fpregs)
+oSIGMASK	ucontext (uc_sigmask)
+oFPREGSMEM	ucontext (__fpregs_mem)
+oMXCSR		ucontext (__fpregs_mem.mxcsr)
diff --git a/sysdeps/unix/sysv/linux/x86_64/umount.c b/sysdeps/unix/sysv/linux/x86_64/umount.c
index 9a91ba5b2f..a17c5c5799 100644
--- a/sysdeps/unix/sysv/linux/x86_64/umount.c
+++ b/sysdeps/unix/sysv/linux/x86_64/umount.c
@@ -1 +1,31 @@
-#include <sysdeps/unix/sysv/linux/hppa/umount.c>
+/* Copyright (C) 2000, 2001, 2006 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Huggins-Daines <dhd@debian.org>, 2000.
+
+   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.  */
+
+/* Since we don't have an oldumount system call, do what the kernel
+   does down here.  */
+
+extern long int __umount2 (const char *name, int flags);
+
+long int
+__umount (const char *name)
+{
+  return __umount2 (name, 0);
+}
+
+weak_alias (__umount, umount);