Start of x86_64 port.

/
2008-11-19  Neal H. Walfield  <neal@gnu.org>

	* configure.ac: Rename amd64 to x86_64.  Update users.

binutils/

2008-11-19  Neal H. Walfield  <neal@gnu.org>

	* patches/00-bfd-config-bfd.patch: New file.
	* patches/01-ld-configure-tgt.patch: New file.
	* Makefrag.am (patch_files): New variable.
	(EXTRA_DIST): Likewise.
	($(addsuffix .applied,$(patch_files))): Depend on
	binutils/binutils/unpack.stamp and $(patch_files).  Apply patches
	to the source tree.
	(rpatch): New rule.
	(binutils/binutils/patch.stamp): Also depend on the applied patch
	files.

gcc/

2008-11-19  Neal H. Walfield  <neal@gnu.org>

	* configury2.patch: New file.
	* Makefrag.am (gcc_patch_files): Add configury2.patch.
	(gcc/gcc.build/configure.stamp): Only add --with-arch for x86
	machines.

libl4/

2008-11-19  Neal H. Walfield  <neal@gnu.org>

	* headers.m4: Only link the header files if $ARCH is ia32.

libpthread/

2008-11-19  Neal H. Walfield  <neal@gnu.org>

	* sysdeps/generic/bits/memory.h: New file.
	* sysdeps/generic/bits/spin-lock-inline.h: Likewise.
	* sysdeps/generic/bits/spin-lock.h: Likewise.
	* headers.m4: Link sysroot/include/bits/memory.h to
	libpthread/sysdeps/generic/bits/memory.h,
	sysroot/include/bits/spin-lock.h to
	libpthread/sysdeps/generic/bits/spin-lock.h, and
	sysroot/include/bits/spin-lock-inline.h to
	libpthread/sysdeps/generic/bits/spin-lock-inline.h.

platform/

2008-11-19  Neal H. Walfield  <neal@gnu.org>

	* Makefile.am (ARCH_SUBDIR) [ARCH_X86_64]: Set to x86_64.
	* amd64/Makefile.am: Move from here...
	* x86_64/Makefile.am: ... to here.
	* amd64/bits/atomic.h: Move from here...
	* x86_64/bits/atomic.h: ... to here.
	* amd64/bits/endian.h: Move from here...
	* x86_64/bits/endian.h: ... to here.
	* amd64/bits/wordsize.h: Move from here...
	* x86_64/bits/wordsize.h: ... to here.
	* amd64/sys/io.h: Move from here...
	* x86_64/sys/io.h: ... to here.

5 files changed, 185 insertions, 3 deletions

diff --git a/libpthread/ChangeLog b/libpthread/ChangeLog
index 7545033..7a3f156 100644
--- a/libpthread/ChangeLog
+++ b/libpthread/ChangeLog
@@ -1,3 +1,15 @@
+2008-11-19  Neal H. Walfield  <neal@gnu.org>
+
+	* sysdeps/generic/bits/memory.h: New file.
+	* sysdeps/generic/bits/spin-lock-inline.h: Likewise.
+	* sysdeps/generic/bits/spin-lock.h: Likewise.
+	* headers.m4: Link sysroot/include/bits/memory.h to
+	libpthread/sysdeps/generic/bits/memory.h,
+	sysroot/include/bits/spin-lock.h to
+	libpthread/sysdeps/generic/bits/spin-lock.h, and
+	sysroot/include/bits/spin-lock-inline.h to
+	libpthread/sysdeps/generic/bits/spin-lock-inline.h.
+
 2008-11-03  Neal H. Walfield  <neal@gnu.org>
 
 	* headers.m4: Don't create an empty libpthread/libpthread.a.
diff --git a/libpthread/headers.m4 b/libpthread/headers.m4
index 2289811..7c73cf2 100644
--- a/libpthread/headers.m4
+++ b/libpthread/headers.m4
@@ -14,9 +14,9 @@ AC_CONFIG_LINKS([
   sysroot/include/pthread.h:libpthread/include/pthread.h
   sysroot/include/pthread/pthread.h:libpthread/include/pthread/pthread.h
   sysroot/include/pthread/pthreadtypes.h:libpthread/include/pthread/pthreadtypes.h
-  sysroot/include/bits/memory.h:libpthread/sysdeps/${arch}/bits/memory.h
-  sysroot/include/bits/spin-lock.h:libpthread/sysdeps/${arch}/bits/spin-lock.h
-  sysroot/include/bits/spin-lock-inline.h:libpthread/sysdeps/${arch}/bits/spin-lock-inline.h
+  sysroot/include/bits/memory.h:libpthread/sysdeps/generic/bits/memory.h
+  sysroot/include/bits/spin-lock.h:libpthread/sysdeps/generic/bits/spin-lock.h
+  sysroot/include/bits/spin-lock-inline.h:libpthread/sysdeps/generic/bits/spin-lock-inline.h
   sysroot/include/bits/barrier-attr.h:libpthread/sysdeps/generic/bits/barrier-attr.h
   sysroot/include/bits/barrier.h:libpthread/sysdeps/generic/bits/barrier.h
   sysroot/include/bits/cancelation.h:libpthread/sysdeps/generic/bits/cancelation.h
diff --git a/libpthread/sysdeps/generic/bits/memory.h b/libpthread/sysdeps/generic/bits/memory.h
new file mode 100644
index 0000000..cbb67f3
--- /dev/null
+++ b/libpthread/sysdeps/generic/bits/memory.h
@@ -0,0 +1,37 @@
+/* Memory barrier operations.  Generic version.
+   Copyright (C) 2002, 2008 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_MEMORY_H
+#define _BITS_MEMORY_H	1
+
+/* Prevent read and write reordering across this function.  */
+static inline void
+__memory_barrier (void)
+{
+  /* Any lock'ed instruction will do.  */
+  __sync_synchronize ();
+}
+
+/* Prevent read reordering across this function.  */
+#define __memory_read_barrier __memory_barrier
+
+/* Prevent write reordering across this function.  */
+#define __memory_write_barrier __memory_barrier
+
+#endif
diff --git a/libpthread/sysdeps/generic/bits/spin-lock-inline.h b/libpthread/sysdeps/generic/bits/spin-lock-inline.h
new file mode 100644
index 0000000..119063a
--- /dev/null
+++ b/libpthread/sysdeps/generic/bits/spin-lock-inline.h
@@ -0,0 +1,94 @@
+/* Machine-specific definitions for spin locks.  Generic version.
+   Copyright (C) 2000, 2005, 2008 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/*
+ * Never include this file directly; use <pthread.h> or <cthreads.h> instead.
+ */
+
+#ifndef _BITS_SPIN_LOCK_INLINE_H
+#define _BITS_SPIN_LOCK_INLINE_H	1
+
+#include <features.h>
+#include <bits/spin-lock.h>
+
+__BEGIN_DECLS
+
+#if defined __USE_EXTERN_INLINES || defined _FORCE_INLINES
+
+# ifndef __EBUSY
+#  include <errno.h>
+#  define __EBUSY EBUSY
+# endif
+
+# ifndef __PT_SPIN_INLINE
+#  define __PT_SPIN_INLINE __extern_inline
+# endif
+
+__PT_SPIN_INLINE int __pthread_spin_destroy (__pthread_spinlock_t *__lock);
+
+__PT_SPIN_INLINE int
+__pthread_spin_destroy (__pthread_spinlock_t *__lock)
+{
+  return 0;
+}
+
+__PT_SPIN_INLINE int __pthread_spin_init (__pthread_spinlock_t *__lock,
+					  int __pshared);
+
+__PT_SPIN_INLINE int
+__pthread_spin_init (__pthread_spinlock_t *__lock, int __pshared)
+{
+  *__lock = __SPIN_LOCK_INITIALIZER;
+  return 0;
+}
+
+__PT_SPIN_INLINE int __pthread_spin_trylock (__pthread_spinlock_t *__lock);
+
+__PT_SPIN_INLINE int
+__pthread_spin_trylock (__pthread_spinlock_t *__lock)
+{
+  int __locked = __sync_val_compare_and_swap (__lock, 0, 1);
+  return __locked ? __EBUSY : 0;
+}
+
+__extern_inline int __pthread_spin_lock (__pthread_spinlock_t *__lock);
+extern int _pthread_spin_lock (__pthread_spinlock_t *__lock);
+
+__extern_inline int
+__pthread_spin_lock (__pthread_spinlock_t *__lock)
+{
+  if (__pthread_spin_trylock (__lock))
+    return _pthread_spin_lock (__lock);
+  return 0;
+}
+
+__PT_SPIN_INLINE int __pthread_spin_unlock (__pthread_spinlock_t *__lock);
+
+__PT_SPIN_INLINE int
+__pthread_spin_unlock (__pthread_spinlock_t *__lock)
+{
+  int __locked = __sync_val_compare_and_swap (__lock, 1, 0);
+  return __locked ? 0 : __EINVAL;
+}
+
+#endif /* Use extern inlines or force inlines.  */
+
+__END_DECLS
+
+#endif /* bits/spin-lock.h */
diff --git a/libpthread/sysdeps/generic/bits/spin-lock.h b/libpthread/sysdeps/generic/bits/spin-lock.h
new file mode 100644
index 0000000..c2ba332
--- /dev/null
+++ b/libpthread/sysdeps/generic/bits/spin-lock.h
@@ -0,0 +1,39 @@
+/* Machine-specific definitions for spin locks.  Generic version.
+   Copyright (C) 2000, 2005, 2008 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/*
+ * Never include this file directly; use <pthread.h> or <cthreads.h> instead.
+ */
+
+#ifndef _BITS_SPIN_LOCK_H
+#define _BITS_SPIN_LOCK_H	1
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* The type of a spin lock object.  */
+typedef __volatile int __pthread_spinlock_t;
+
+/* Initializer for a spin lock object.  */
+# define __SPIN_LOCK_INITIALIZER ((__pthread_spinlock_t) 0)
+
+__END_DECLS
+
+#endif /* bits/spin-lock.h */