atomicity.h: New, forward declarations for __atomic_add and __exchange_and_add.

2004-02-25  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/atomicity.h: New, forward declarations for __atomic_add
	and __exchange_and_add.
	* config/cpu/generic/atomic_word.h: New, typdef for atomic word.
	* config/cpu/cris/atomic_word.h: Same.
	* config/cpu/sparc/atomic_word.h: Same.
	* include/bits/ios_base.h (_Callback_list::_M_remove_reference):
	Qualifiy with __gnu_cxx.
	(_Callback_list::_M_add_reference): Same.
	* include/bits/locale_classes.h (locale::facet::_M_add_reference): Add.
	(locale::facet::_M_remove_reference): Same.
	(locale::_Impl::_M_add_reference): Add.
	(locale::_Impl::_M_remove_reference): Same.
	* include/bits/basic_string.h (basic_string::_Rep::_M_refcopy): Same.
	(basic_string::_Rep::_M_dispose): Same.
	* src/ios.cc (ios_base::xalloc): Same.
	* src/ios_init.cc (ios_base::Init::Init): Same.
	(ios_base::Init::~Init): Same.
	* src/locale.cc (locale::id::_M_id): Same.
	* config/cpu/i486/atomicity.h: Use __gnu_cxx namespace. Remove
	static, and inline keyworks.
	* config/cpu/alpha/atomicity.h: Same.
	* config/cpu/cris/atomicity.h: Same.
	* config/cpu/generic/atomicity.h: Same.
	* config/cpu/hppa/atomicity.h: Same.
	* config/cpu/i386/atomicity.h: Same.
	* config/cpu/ia64/atomicity.h: Same.
	* config/cpu/m68k/atomicity.h: Same.
	* config/cpu/mips/atomicity.h: Same.
	* config/cpu/powerpc/atomicity.h: Same.
	* config/cpu/s390/atomicity.h: Same.
	* config/cpu/sparc/atomicity.h: Same.

	* src/Makefile.am (host_sources): Add atomicity.cc.
	(atomicity.cc): New rule.
	* src/Makefile.in: Regenerate.
	* include/Makefile.am (host_headers): Remove host atomicity.h.
	(host_headers): Add atomic_word.h.
	(bits_headers): Add bits atomicity.h.
	Change ATOMICITY_INC_SRCDIR to ATOMICITY_SRCDIR.
	* include/Makefile.in: Regenerate.
	* configure.host (atomic_word_dir): Add.
	* configure.ac: Substitute ATOMIC_WORD_SRCDIR. Change
	ATOMICITY_INC_SRCDIR to ATOMICITY_SRCDIR.
	* configure: Regenerate.
	* config/linker-map.gnu: Export __exchange_and_add, and __atomic_add.

	* testsuite/27_io/ios_base/cons/assign_neg.cc: Adjust line numbers.
	* testsuite/27_io/ios_base/cons/copy_neg.cc: Same.

From-SVN: r78544

15 files changed, 625 insertions, 556 deletions

diff --git a/libstdc++-v3/config/cpu/alpha/atomicity.h b/libstdc++-v3/config/cpu/alpha/atomicity.h
index cb071cd..4eb311b 100644
--- a/libstdc++-v3/config/cpu/alpha/atomicity.h
+++ b/libstdc++-v3/config/cpu/alpha/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: Alpha version  -*- C++ -*-
 
-// Copyright (C) 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
+// Copyright (C) 1999, 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,23 +27,22 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H	1
+#include <bits/atomicity.h>
 
 /* @@@ With gas we can play nice .subsection games to get the
    non-predicted branch pointing forward.  But Digital assemblers
    don't understand those directives.  This isn't a terribly
    important issue, so just ignore it.  */
 
-typedef int _Atomic_word;
-
-static inline _Atomic_word
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
+namespace __gnu_cxx
 {
-  register int __result, __tmp;
-
-  __asm__ __volatile__ (
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
+    register int __result, __tmp;
+    
+    __asm__ __volatile__ (
       "\n$Lxadd_%=:\n\t"
       "ldl_l  %0,%3\n\t"
       "addl   %0,%4,%1\n\t"
@@ -53,16 +52,16 @@ __exchange_and_add(volatile _Atomic_word* __mem, int __val)
       : "=&r"(__result), "=&r"(__tmp), "=m"(*__mem)
       : "m" (*__mem), "r"(__val));
 
-  return __result;
-}
+    return __result;
+  }
 
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
-{
-  register _Atomic_word __result;
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  {
+    register _Atomic_word __result;
 
-  __asm__ __volatile__ (
+    __asm__ __volatile__ (
       "\n$Ladd_%=:\n\t"
       "ldl_l  %0,%2\n\t"
       "addl   %0,%3,%0\n\t"
@@ -71,6 +70,6 @@ __atomic_add(volatile _Atomic_word* __mem, int __val)
       "mb"
       : "=&r"(__result), "=m"(*__mem)
       : "m" (*__mem), "r"(__val));
-}
+  }
+} // namespace __gnu_cxx
 
-#endif /* atomicity.h */
diff --git a/libstdc++-v3/config/cpu/cris/atomic_word.h b/libstdc++-v3/config/cpu/cris/atomic_word.h
new file mode 100644
index 0000000..dd2cf6b
--- /dev/null
+++ b/libstdc++-v3/config/cpu/cris/atomic_word.h
@@ -0,0 +1,36 @@
+// Low-level type for atomic operations -*- C++ -*-
+
+// Copyright (C) 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This 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 General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _GLIBCXX_ATOMIC_WORD_H
+#define _GLIBCXX_ATOMIC_WORD_H	1
+
+// This entity must not cross a page boundary.
+typedef int _Atomic_word __attribute__ ((__aligned__ (4)));
+
+#endif 
diff --git a/libstdc++-v3/config/cpu/cris/atomicity.h b/libstdc++-v3/config/cpu/cris/atomicity.h
index fecb9dc..965e0da 100644
--- a/libstdc++-v3/config/cpu/cris/atomicity.h
+++ b/libstdc++-v3/config/cpu/cris/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: CRIS version  -*- C++ -*-
 
-// Copyright (C) 2001, 2003 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,21 +27,19 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H	1
+#include <bits/atomicity.h>
 
-// This entity must not cross a page boundary.
-typedef int _Atomic_word __attribute__ ((__aligned__ (4)));
-
-static inline _Atomic_word
-__attribute__ ((__unused__))
-__exchange_and_add(_Atomic_word* __mem, int __val)
+namespace __gnu_cxx
 {
-  int __tmp;
-  _Atomic_word __result;
+  static inline _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(_Atomic_word* __mem, int __val)
+  {
+    int __tmp;
+    _Atomic_word __result;
 
 #if (__CRIS_arch_version >= 10)
-  __asm__ __volatile__ (" clearf		\n"
+    __asm__ __volatile__ (" clearf		\n"
 			"0:			\n"
 			" move.d %4,%2		\n"
 			" move.d [%3],%0	\n"
@@ -53,7 +51,7 @@ __exchange_and_add(_Atomic_word* __mem, int __val)
 			:  "=&r" (__result), "=m" (*__mem), "=&r" (__tmp)
 			: "r" (__mem), "g" (__val), "m" (*__mem));
 #else
-  __asm__ __volatile__ (" move $ccr,$r9		\n"
+    __asm__ __volatile__ (" move $ccr,$r9		\n"
 			" di			\n"
 			" move.d %4,%2		\n"
 			" move.d [%3],%0	\n"
@@ -65,14 +63,11 @@ __exchange_and_add(_Atomic_word* __mem, int __val)
 			: "r9");
 #endif
 
-  return __result;
-}
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(_Atomic_word* __mem, int __val)
-{
-  __exchange_and_add(__mem, __val);
-}
+    return __result;
+  }
 
-#endif /* atomicity.h */
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(_Atomic_word* __mem, int __val)
+  { __exchange_and_add(__mem, __val); }
+} // namespace __gnu_cxx
diff --git a/libstdc++-v3/config/cpu/generic/atomic_word.h b/libstdc++-v3/config/cpu/generic/atomic_word.h
new file mode 100644
index 0000000..b46adc2
--- /dev/null
+++ b/libstdc++-v3/config/cpu/generic/atomic_word.h
@@ -0,0 +1,35 @@
+// Low-level type for atomic operations -*- C++ -*-
+
+// Copyright (C) 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This 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 General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _GLIBCXX_ATOMIC_WORD_H
+#define _GLIBCXX_ATOMIC_WORD_H	1
+
+typedef int _Atomic_word;
+
+#endif 
diff --git a/libstdc++-v3/config/cpu/generic/atomicity.h b/libstdc++-v3/config/cpu/generic/atomicity.h
index 1bee9ea..8481790 100644
--- a/libstdc++-v3/config/cpu/generic/atomicity.h
+++ b/libstdc++-v3/config/cpu/generic/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: Generic version  -*- C++ -*-
 
-// Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
+// Copyright (C) 1999, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,15 +27,11 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H	1
-
+#include <bits/atomicity.h>
 #include <bits/gthr.h>
 
 #define _GLIBCXX_NEED_GENERIC_MUTEX
 
-typedef int _Atomic_word;
-
 namespace __gnu_cxx
 {
   extern __gthread_mutex_t _Atomic_add_mutex;
@@ -44,34 +40,27 @@ namespace __gnu_cxx
   extern __gthread_once_t _Atomic_add_mutex_once;
   extern void __gthread_atomic_add_mutex_once();
 #endif
-}
 
-static inline _Atomic_word
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
 #ifndef __GTHREAD_MUTEX_INIT
-  __gthread_once(&__gnu_cxx::_Atomic_add_mutex_once,
-		 __gnu_cxx::__gthread_atomic_add_mutex_once);
+    __gthread_once(&__gnu_cxx::_Atomic_add_mutex_once,
+		   __gnu_cxx::__gthread_atomic_add_mutex_once);
 #endif
 
-  _Atomic_word __result;
-
-  __gthread_mutex_lock(&__gnu_cxx::_Atomic_add_mutex);
+    _Atomic_word __result;
+    __gthread_mutex_lock(&__gnu_cxx::_Atomic_add_mutex);
+    __result = *__mem;
+    *__mem += __val;
 
-  __result = *__mem;
-  *__mem += __val;
-
-  __gthread_mutex_unlock(&__gnu_cxx::_Atomic_add_mutex);
-  return __result;
-}
-
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
-{
-  (void) __exchange_and_add(__mem, __val);
-}
+    __gthread_mutex_unlock(&__gnu_cxx::_Atomic_add_mutex);
+    return __result;
+  }
 
-#endif /* atomicity.h */
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  { __exchange_and_add(__mem, __val); }
+} // namespace __gnu_cxx
diff --git a/libstdc++-v3/config/cpu/hppa/atomicity.h b/libstdc++-v3/config/cpu/hppa/atomicity.h
index b074142..4e0c252 100644
--- a/libstdc++-v3/config/cpu/hppa/atomicity.h
+++ b/libstdc++-v3/config/cpu/hppa/atomicity.h
@@ -1,90 +1,98 @@
-/* Low-level functions for atomic operations.  PA-RISC version. -*- C++ -*-
-   Copyright 2002 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
+// Low-level functions for atomic operations: PA-RISC version  -*- C++ -*-
 
-   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.
+// Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, 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.
+// This 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 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.  */
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H	1
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
 
-typedef int _Atomic_word;
+#include <bits/atomicity.h>
 
-template <int __inst>
-struct __Atomicity_lock
+namespace __gnu_cxx
 {
-  static volatile int _S_atomicity_lock;
-};
+  template<int __inst>
+    struct __Atomicity_lock
+    {
+      static volatile int _S_atomicity_lock;
+    };
+  
+  template<int __inst>
+  volatile int
+  __Atomicity_lock<__inst>::_S_atomicity_lock __attribute__ ((aligned (16))) = 1;
 
-template <int __inst>
-volatile int
-__Atomicity_lock<__inst>::_S_atomicity_lock __attribute__ ((aligned (16))) = 1;
-
-/* Because of the lack of weak support when using the hpux
-   som linker, we explicitly instantiate the atomicity lock
-   in src/misc-inst.cc when _GLIBCXX_INST_ATOMICITY_LOCK
-   is defined.  */
+  /* Because of the lack of weak support when using the hpux
+     som linker, we explicitly instantiate the atomicity lock
+     in src/misc-inst.cc when _GLIBCXX_INST_ATOMICITY_LOCK
+     is defined.  */
 #ifndef _GLIBCXX_INST_ATOMICITY_LOCK
-template volatile int __Atomicity_lock<0>::_S_atomicity_lock;
+  template volatile int __Atomicity_lock<0>::_S_atomicity_lock;
 #endif
 
-static inline int
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
-  _Atomic_word result;
-  int tmp;
-  volatile int& lock = __Atomicity_lock<0>::_S_atomicity_lock;
-
-  __asm__ __volatile__ ("ldcw 0(%1),%0\n\t"
-			"cmpib,<>,n 0,%0,.+20\n\t"
-			"ldw 0(%1),%0\n\t"
-			"cmpib,= 0,%0,.-4\n\t"
-			"nop\n\t"
-			"b,n .-20"
-			: "=&r" (tmp)
-			: "r" (&lock));
-
-  result = *__mem;
-  *__mem = result + __val;
-  /* Reset lock with PA 2.0 "ordered" store.  */
-  __asm__ __volatile__ ("stw,ma %1,0(%0)"
-			: : "r" (&lock), "r" (tmp) : "memory");
-  return result;
-}
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(_Atomic_word* __mem, int __val)
-{
-  int tmp;
-  volatile int& lock = __Atomicity_lock<0>::_S_atomicity_lock;
-
-  __asm__ __volatile__ ("ldcw 0(%1),%0\n\t"
-			"cmpib,<>,n 0,%0,.+20\n\t"
-			"ldw 0(%1),%0\n\t"
-			"cmpib,= 0,%0,.-4\n\t"
-			"nop\n\t"
-			"b,n .-20"
-			: "=&r" (tmp)
-			: "r" (&lock));
-
-  *__mem += __val;
-  /* Reset lock with PA 2.0 "ordered" store.  */
-  __asm__ __volatile__ ("stw,ma %1,0(%0)"
-			: : "r" (&lock), "r" (tmp) : "memory");
-}
-
-#endif
+  int
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
+    _Atomic_word result;
+    int tmp;
+    volatile int& lock = __Atomicity_lock<0>::_S_atomicity_lock;
+    
+    __asm__ __volatile__ ("ldcw 0(%1),%0\n\t"
+			  "cmpib,<>,n 0,%0,.+20\n\t"
+			  "ldw 0(%1),%0\n\t"
+			  "cmpib,= 0,%0,.-4\n\t"
+			  "nop\n\t"
+			  "b,n .-20"
+			  : "=&r" (tmp)
+			  : "r" (&lock));
+    
+    result = *__mem;
+    *__mem = result + __val;
+    /* Reset lock with PA 2.0 "ordered" store.  */
+    __asm__ __volatile__ ("stw,ma %1,0(%0)"
+			  : : "r" (&lock), "r" (tmp) : "memory");
+    return result;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(_Atomic_word* __mem, int __val)
+  {
+    int tmp;
+    volatile int& lock = __Atomicity_lock<0>::_S_atomicity_lock;
+    
+    __asm__ __volatile__ ("ldcw 0(%1),%0\n\t"
+			  "cmpib,<>,n 0,%0,.+20\n\t"
+			  "ldw 0(%1),%0\n\t"
+			  "cmpib,= 0,%0,.-4\n\t"
+			  "nop\n\t"
+			  "b,n .-20"
+			  : "=&r" (tmp)
+			  : "r" (&lock));
+    
+    *__mem += __val;
+    /* Reset lock with PA 2.0 "ordered" store.  */
+    __asm__ __volatile__ ("stw,ma %1,0(%0)"
+			  : : "r" (&lock), "r" (tmp) : "memory");
+  }
+} // namespace __gnu_cxx
diff --git a/libstdc++-v3/config/cpu/i386/atomicity.h b/libstdc++-v3/config/cpu/i386/atomicity.h
index 7a949c3..968bd24 100644
--- a/libstdc++-v3/config/cpu/i386/atomicity.h
+++ b/libstdc++-v3/config/cpu/i386/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: x86, x >= 3 version  -*- C++ -*-
 
-// Copyright (C) 2003 Free Software Foundation, Inc.
+// Copyright (C) 2003, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,50 +27,48 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H	1
+#include <bits/atomicity.h>
 
-typedef int _Atomic_word;
-
-template<int __inst>
-  struct __Atomicity_lock
-  {
-    static volatile _Atomic_word _S_atomicity_lock;
-  };
-
-template<int __inst>
-volatile _Atomic_word __Atomicity_lock<__inst>::_S_atomicity_lock = 0;
-
-template volatile _Atomic_word __Atomicity_lock<0>::_S_atomicity_lock;
-
-static inline _Atomic_word 
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
+namespace __gnu_cxx
 {
-  register _Atomic_word __result, __tmp = 1;
-
-  /* obtain the atomic exchange/add spin lock */
-  do {
-    __asm__ __volatile__ ("xchg{l} {%0,%1|%1,%0}"
-			  : "=m" (__Atomicity_lock<0>::_S_atomicity_lock),
-			    "+r" (__tmp)
-                          : "m" (__Atomicity_lock<0>::_S_atomicity_lock));
-  } while (__tmp);
-
-  __result = *__mem;
-  *__mem += __val;
-
-  /* release spin lock */
-  __Atomicity_lock<0>::_S_atomicity_lock = 0;
-
-  return __result;
-}
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
-{
-  __exchange_and_add(__mem, __val);
-}
-
-#endif /* atomicity.h */
+  template<int __inst>
+    struct __Atomicity_lock
+    {
+      static volatile _Atomic_word _S_atomicity_lock;
+    };
+
+  template<int __inst>
+  volatile _Atomic_word __Atomicity_lock<__inst>::_S_atomicity_lock = 0;
+
+  template volatile _Atomic_word __Atomicity_lock<0>::_S_atomicity_lock;
+  
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
+    register _Atomic_word __result, __tmp = 1;
+    
+    // Obtain the atomic exchange/add spin lock.
+    do 
+      {
+	__asm__ __volatile__ ("xchg{l} {%0,%1|%1,%0}"
+			      : "=m" (__Atomicity_lock<0>::_S_atomicity_lock),
+			      "+r" (__tmp)
+			      : "m" (__Atomicity_lock<0>::_S_atomicity_lock));
+      } 
+    while (__tmp);
+    
+    __result = *__mem;
+    *__mem += __val;
+    
+    // Release spin lock.
+    __Atomicity_lock<0>::_S_atomicity_lock = 0;
+    
+    return __result;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  { __exchange_and_add(__mem, __val); }
+} // namespace __gnu_cxx
diff --git a/libstdc++-v3/config/cpu/i486/atomicity.h b/libstdc++-v3/config/cpu/i486/atomicity.h
index 06ab866..5700bf3 100644
--- a/libstdc++-v3/config/cpu/i486/atomicity.h
+++ b/libstdc++-v3/config/cpu/i486/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: x86, x >= 4 version  -*- C++ -*-
 
-// Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+// Copyright (C) 1999, 2000, 2001, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,28 +27,27 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H	1
+#include <bits/atomicity.h>
 
-typedef int _Atomic_word;
-
-static inline _Atomic_word 
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
-  register _Atomic_word __result;
-  __asm__ __volatile__ ("lock; xadd{l} {%0,%1|%1,%0}"
-			: "=r" (__result), "=m" (*__mem) 
-			: "0" (__val), "m" (*__mem));
-  return __result;
-}
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
+namespace __gnu_cxx
 {
-  __asm__ __volatile__ ("lock; add{l} {%1,%0|%0,%1}"
-			: "=m" (*__mem) : "ir" (__val), "m" (*__mem));
-}
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
+    register _Atomic_word __result;
+    __asm__ __volatile__ ("lock; xadd{l} {%0,%1|%1,%0}"
+			  : "=r" (__result), "=m" (*__mem) 
+			  : "0" (__val), "m" (*__mem));
+    return __result;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  {
+    __asm__ __volatile__ ("lock; add{l} {%1,%0|%0,%1}"
+			  : "=m" (*__mem) : "ir" (__val), "m" (*__mem));
+  }
+} // namespace __gnu_cxx
 
-#endif /* atomicity.h */
diff --git a/libstdc++-v3/config/cpu/ia64/atomicity.h b/libstdc++-v3/config/cpu/ia64/atomicity.h
index 4408d06..0c3ab33 100644
--- a/libstdc++-v3/config/cpu/ia64/atomicity.h
+++ b/libstdc++-v3/config/cpu/ia64/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: IA64 version  -*- C++ -*-
 
-// Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.
+// Copyright (C) 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,25 +27,18 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H       1
-
+#include <bits/atomicity.h>
 #include <ia64intrin.h>
 
-typedef int _Atomic_word;
-
-static inline _Atomic_word 
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
-  return __sync_fetch_and_add(__mem, __val);
-}
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
+namespace __gnu_cxx
 {
-  __sync_fetch_and_add(__mem, __val);
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  { return __sync_fetch_and_add(__mem, __val); }
+
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  { __sync_fetch_and_add(__mem, __val); }
 }
-
-#endif /* atomicity.h */
diff --git a/libstdc++-v3/config/cpu/m68k/atomicity.h b/libstdc++-v3/config/cpu/m68k/atomicity.h
index eb801de..b5827320 100644
--- a/libstdc++-v3/config/cpu/m68k/atomicity.h
+++ b/libstdc++-v3/config/cpu/m68k/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: m68k version -*- C++ -*-
 
-// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,113 +27,107 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H	1
-
-typedef int _Atomic_word;
+#include <bits/atomicity.h>
 
+namespace __gnu_cxx
+{
 #if ( defined(__mc68020__) || defined(__mc68030__) \
       || defined(__mc68040__) || defined(__mc68060__) ) \
     && !defined(__mcpu32__)
-// These variants support compare-and-swap.
-
-static inline _Atomic_word 
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
-  register _Atomic_word __result = *__mem;
-  register _Atomic_word __temp;
-  __asm__ __volatile__ ("1: move%.l %0,%1\n\t"
-			"add%.l %3,%1\n\t"
-			"cas%.l %0,%1,%2\n\t"
-			"jne 1b"
-			: "=d" (__result), "=&d" (__temp), "=m" (*__mem)
-			: "d" (__val), "0" (__result), "m" (*__mem));
-  return __result;
-}
+  // These variants support compare-and-swap.
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
+    register _Atomic_word __result = *__mem;
+    register _Atomic_word __temp;
+    __asm__ __volatile__ ("1: move%.l %0,%1\n\t"
+			  "add%.l %3,%1\n\t"
+			  "cas%.l %0,%1,%2\n\t"
+			  "jne 1b"
+			  : "=d" (__result), "=&d" (__temp), "=m" (*__mem)
+			  : "d" (__val), "0" (__result), "m" (*__mem));
+    return __result;
+  }
 
 #elif defined(__rtems__)
-  /*
-   * TAS/JBNE is unsafe on systems with strict priority-based scheduling.
-   * Disable interrupts, which we can do only from supervisor mode.
-   */
-static inline _Atomic_word
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
-  _Atomic_word __result;
-  short __level, __tmpsr;
-  __asm__ __volatile__ ("move%.w %%sr,%0\n\tor%.l %0,%1\n\tmove%.w %1,%%sr"
-                       : "=d"(__level), "=d"(__tmpsr) : "1"(0x700));
-
-  __result = *__mem;
-  *__mem = __result + __val;
-
-  __asm__ __volatile__ ("move%.w %0,%%sr" : : "d"(__level));
-
-  return __result;
-}
+  // TAS/JBNE is unsafe on systems with strict priority-based scheduling.
+  // Disable interrupts, which we can do only from supervisor mode.
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
+    _Atomic_word __result;
+    short __level, __tmpsr;
+    __asm__ __volatile__ ("move%.w %%sr,%0\n\tor%.l %0,%1\n\tmove%.w %1,%%sr"
+			  : "=d"(__level), "=d"(__tmpsr) : "1"(0x700));
+    
+    __result = *__mem;
+    *__mem = __result + __val;    
+    __asm__ __volatile__ ("move%.w %0,%%sr" : : "d"(__level));
+    
+    return __result;
+  }
 
 #else
-
-template<int __inst>
-  struct __Atomicity_lock
+  
+  template<int __inst>
+    struct __Atomicity_lock
+    {
+      static volatile unsigned char _S_atomicity_lock;
+    };
+
+  template<int __inst>
+  volatile unsigned char __Atomicity_lock<__inst>::_S_atomicity_lock = 0;
+  
+  template volatile unsigned char __Atomicity_lock<0>::_S_atomicity_lock;
+  
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
   {
-    static volatile unsigned char _S_atomicity_lock;
-  };
-
-template<int __inst>
-volatile unsigned char __Atomicity_lock<__inst>::_S_atomicity_lock = 0;
-
-template volatile unsigned char __Atomicity_lock<0>::_S_atomicity_lock;
-
-static inline _Atomic_word 
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
-  _Atomic_word __result;
-
-// bset with no immediate addressing (not SMP-safe)
+    _Atomic_word __result;
+    
+    // bset with no immediate addressing (not SMP-safe)
 #if defined(__mcf5200__) || defined(__mcf5300__)
-  __asm__ __volatile__("1: bset.b #7,%0@\n\tjbne 1b"
-		       : /* no outputs */
-		       : "a"(&__Atomicity_lock<0>::_S_atomicity_lock)
-		       : "cc", "memory");
-
-// CPU32 and MCF5400 support test-and-set (SMP-safe).
+    __asm__ __volatile__("1: bset.b #7,%0@\n\tjbne 1b"
+			 : /* no outputs */
+			 : "a"(&__Atomicity_lock<0>::_S_atomicity_lock)
+			 : "cc", "memory");
+    
+    // CPU32 and MCF5400 support test-and-set (SMP-safe).
 #elif defined(__mcpu32__) || defined(__mcf5400__)
-  __asm__ __volatile__("1: tas %0\n\tjbne 1b"
-		       : "+m"(__Atomicity_lock<0>::_S_atomicity_lock)
-		       : /* none */
-		       : "cc");
-
-// Use bset with immediate addressing for 68000/68010 (not SMP-safe)
-// NOTE: TAS is available on the 68000, but unsupported by some Amiga
-// memory controllers.
+    __asm__ __volatile__("1: tas %0\n\tjbne 1b"
+			 : "+m"(__Atomicity_lock<0>::_S_atomicity_lock)
+			 : /* none */
+			 : "cc");
+    
+    // Use bset with immediate addressing for 68000/68010 (not SMP-safe)
+    // NOTE: TAS is available on the 68000, but unsupported by some Amiga
+    // memory controllers.
 #else
-  __asm__ __volatile__("1: bset.b #7,%0\n\tjbne 1b"
-		       : "+m"(__Atomicity_lock<0>::_S_atomicity_lock)
-		       : /* none */
-		       : "cc");
+    __asm__ __volatile__("1: bset.b #7,%0\n\tjbne 1b"
+			 : "+m"(__Atomicity_lock<0>::_S_atomicity_lock)
+			 : /* none */
+			 : "cc");
 #endif
-
-  __result = *__mem;
-  *__mem = __result + __val;
-
-  __Atomicity_lock<0>::_S_atomicity_lock = 0;
-
-  return __result;
-}
-
+    
+    __result = *__mem;
+    *__mem = __result + __val;
+    
+    __Atomicity_lock<0>::_S_atomicity_lock = 0;
+    
+    return __result;
+  }
+  
 #endif /* TAS / BSET */
 
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
-{
-  // Careful: using add.l with a memory destination is not
-  // architecturally guaranteed to be atomic.
-  (void) __exchange_and_add(__mem, __val);
-}
-
-#endif /* !_GLIBCXX_ATOMICITY_H */
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  {
+    // Careful: using add.l with a memory destination is not
+    // architecturally guaranteed to be atomic.
+    __exchange_and_add(__mem, __val);
+  }
+} // namespace __gnu_cxx
diff --git a/libstdc++-v3/config/cpu/mips/atomicity.h b/libstdc++-v3/config/cpu/mips/atomicity.h
index 3d0c7a1..0871342 100644
--- a/libstdc++-v3/config/cpu/mips/atomicity.h
+++ b/libstdc++-v3/config/cpu/mips/atomicity.h
@@ -1,6 +1,6 @@
-// Low-level functions for atomic operations.
+// Low-level functions for atomic operations: MIPS version  -*- C++ -*-
 
-// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,57 +27,55 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H 1
+#include <bits/atomicity.h>
 
-typedef int _Atomic_word;
-
-static inline int
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
+namespace __gnu_cxx
 {
-  int __result, __tmp;
-
-  __asm__ __volatile__
-    ("/* Inline exchange & add */\n\t"
-     "1:\n\t"
-     ".set	push\n\t"
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
+    _Atomic_word __result, __tmp;
+    
+    __asm__ __volatile__
+      ("/* Inline exchange & add */\n\t"
+       "1:\n\t"
+       ".set	push\n\t"
 #if _MIPS_SIM == _ABIO32
-     ".set	mips2\n\t"
+       ".set	mips2\n\t"
 #endif
-     "ll	%0,%3\n\t"
-     "addu	%1,%4,%0\n\t"
-     "sc	%1,%2\n\t"
-     ".set	pop\n\t"
-     "beqz	%1,1b\n\t"
-     "/* End exchange & add */"
-     : "=&r"(__result), "=&r"(__tmp), "=m"(*__mem)
-     : "m" (*__mem), "r"(__val));
-
-  return __result;
-}
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
-{
-  int __result;
-
-  __asm__ __volatile__
-    ("/* Inline atomic add */\n\t"
-     "1:\n\t"
-     ".set	push\n\t"
+       "ll	%0,%3\n\t"
+       "addu	%1,%4,%0\n\t"
+       "sc	%1,%2\n\t"
+       ".set	pop\n\t"
+       "beqz	%1,1b\n\t"
+       "/* End exchange & add */"
+       : "=&r"(__result), "=&r"(__tmp), "=m"(*__mem)
+       : "m" (*__mem), "r"(__val));
+    
+    return __result;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  {
+    _Atomic_word __result;
+    
+    __asm__ __volatile__
+      ("/* Inline atomic add */\n\t"
+       "1:\n\t"
+       ".set	push\n\t"
 #if _MIPS_SIM == _ABIO32
-     ".set	mips2\n\t"
+       ".set	mips2\n\t"
 #endif
-     "ll	%0,%2\n\t"
-     "addu	%0,%3,%0\n\t"
-     "sc	%0,%1\n\t"
-     ".set	pop\n\t"
-     "beqz	%0,1b\n\t"
-     "/* End atomic add */"
-     : "=&r"(__result), "=m"(*__mem)
+       "ll	%0,%2\n\t"
+       "addu	%0,%3,%0\n\t"
+       "sc	%0,%1\n\t"
+       ".set	pop\n\t"
+       "beqz	%0,1b\n\t"
+       "/* End atomic add */"
+       : "=&r"(__result), "=m"(*__mem)
      : "m" (*__mem), "r"(__val));
-}
-
-#endif /* atomicity.h */
+  }
+} // namespace __gnu_cxx
diff --git a/libstdc++-v3/config/cpu/powerpc/atomicity.h b/libstdc++-v3/config/cpu/powerpc/atomicity.h
index 3b44b7d..7314944 100644
--- a/libstdc++-v3/config/cpu/powerpc/atomicity.h
+++ b/libstdc++-v3/config/cpu/powerpc/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: PowerPC version  -*- C++ -*-
 
-// Copyright (C) 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
+// Copyright (C) 1999, 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,8 +27,7 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H	1
+#include <bits/atomicity.h>
 
 #ifdef __PPC405__
 #define _STWCX "sync \n\tstwcx. "
@@ -36,43 +35,42 @@
 #define _STWCX "stwcx. "
 #endif
 
-typedef int _Atomic_word;
-
-static inline _Atomic_word
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
-  _Atomic_word __tmp, __res;
-  __asm__ __volatile__ (
-	"/* Inline exchange & add */\n"
-	"0:\t"
-	"lwarx    %0,0,%3 \n\t"
-	"add%I4   %1,%0,%4 \n\t"
-	_STWCX "  %1,0,%3 \n\t"
-	"bne-     0b \n\t"
-	"/* End exchange & add */"
-	: "=&b"(__res), "=&r"(__tmp), "=m" (*__mem)
-	: "r" (__mem), "Ir"(__val), "m" (*__mem)
-	: "cr0");
-  return __res;
-}
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
+namespace __gnu_cxx
 {
-  _Atomic_word __tmp;
-  __asm__ __volatile__ (
-	"/* Inline atomic add */\n"
-	"0:\t"
-	"lwarx    %0,0,%2 \n\t"
-	"add%I3   %0,%0,%3 \n\t"
-	_STWCX "  %0,0,%2 \n\t"
-	"bne-     0b \n\t"
-	"/* End atomic add */"
-	: "=&b"(__tmp), "=m" (*__mem)
-	: "r" (__mem), "Ir"(__val), "m" (*__mem)
-	: "cr0");
-}
-
-#endif /* atomicity.h */
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
+    _Atomic_word __tmp, __res;
+    __asm__ __volatile__ (
+			  "/* Inline exchange & add */\n"
+			  "0:\t"
+			  "lwarx    %0,0,%3 \n\t"
+			  "add%I4   %1,%0,%4 \n\t"
+			  _STWCX "  %1,0,%3 \n\t"
+			  "bne-     0b \n\t"
+			  "/* End exchange & add */"
+			  : "=&b"(__res), "=&r"(__tmp), "=m" (*__mem)
+			  : "r" (__mem), "Ir"(__val), "m" (*__mem)
+			  : "cr0");
+    return __res;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  {
+    _Atomic_word __tmp;
+    __asm__ __volatile__ (
+			  "/* Inline atomic add */\n"
+			  "0:\t"
+			  "lwarx    %0,0,%2 \n\t"
+			  "add%I3   %0,%0,%3 \n\t"
+			  _STWCX "  %0,0,%2 \n\t"
+			  "bne-     0b \n\t"
+			  "/* End atomic add */"
+			  : "=&b"(__tmp), "=m" (*__mem)
+			  : "r" (__mem), "Ir"(__val), "m" (*__mem)
+			  : "cr0");
+  }
+} // namespace __gnu_cxx
diff --git a/libstdc++-v3/config/cpu/s390/atomicity.h b/libstdc++-v3/config/cpu/s390/atomicity.h
index 8647c76..b979e3a 100644
--- a/libstdc++-v3/config/cpu/s390/atomicity.h
+++ b/libstdc++-v3/config/cpu/s390/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: S/390 version  -*- C++ -*-
 
-// Copyright (C) 2001, 2003 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,34 +27,28 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H	1
+#include <bits/atomicity.h>
 
-typedef int _Atomic_word;
-
-static inline _Atomic_word 
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
-  register _Atomic_word __old_val, __new_val;
-
-  __asm__ __volatile__ ("   l     %0,0(%3)\n"
-                        "0: lr    %1,%0\n"
-                        "   ar    %1,%4\n"
-                        "   cs    %0,%1,0(%3)\n"
-                        "   jl    0b"
-                        : "=&d" (__old_val), "=&d" (__new_val), "=m" (*__mem)
-                        : "a" (__mem), "d" (__val), "m" (*__mem) : "cc");
-  return __old_val;
-}
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
+namespace __gnu_cxx
 {
-  __exchange_and_add(__mem, __val);
-}
-
-#endif /* atomicity.h */
-
-
+  _Atomic_word 
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
+    register _Atomic_word __old_val, __new_val;
+    
+    __asm__ __volatile__ ("   l     %0,0(%3)\n"
+			  "0: lr    %1,%0\n"
+			  "   ar    %1,%4\n"
+			  "   cs    %0,%1,0(%3)\n"
+			  "   jl    0b"
+			  : "=&d" (__old_val), "=&d" (__new_val), "=m" (*__mem)
+			  : "a" (__mem), "d" (__val), "m" (*__mem) : "cc");
+    return __old_val;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  { __exchange_and_add(__mem, __val); }
+} // namespace __gnu_cxx
diff --git a/libstdc++-v3/config/cpu/sparc/atomic_word.h b/libstdc++-v3/config/cpu/sparc/atomic_word.h
new file mode 100644
index 0000000..941fddd
--- /dev/null
+++ b/libstdc++-v3/config/cpu/sparc/atomic_word.h
@@ -0,0 +1,39 @@
+// Low-level type for atomic operations -*- C++ -*-
+
+// Copyright (C) 2004 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This 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 General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _GLIBCXX_ATOMIC_WORD_H
+#define _GLIBCXX_ATOMIC_WORD_H	1
+
+#ifdef __arch64__
+  typedef long _Atomic_word;
+#else
+  typedef int _Atomic_word;
+#endif
+
+#endif 
diff --git a/libstdc++-v3/config/cpu/sparc/atomicity.h b/libstdc++-v3/config/cpu/sparc/atomicity.h
index 2db079c..6d4b19b 100644
--- a/libstdc++-v3/config/cpu/sparc/atomicity.h
+++ b/libstdc++-v3/config/cpu/sparc/atomicity.h
@@ -1,6 +1,6 @@
 // Low-level functions for atomic operations: Sparc version  -*- C++ -*-
 
-// Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+// Copyright (C) 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -27,105 +27,99 @@
 // invalidate any other reasons why the executable file might be covered by
 // the GNU General Public License.
 
-#ifndef _GLIBCXX_ATOMICITY_H
-#define _GLIBCXX_ATOMICITY_H	1
+#include <bits/atomicity.h>
 
-#ifdef __arch64__
-
-typedef long _Atomic_word;
-
-static inline _Atomic_word
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
-  _Atomic_word __tmp1, __tmp2;
-  _Atomic_word __val_extended = __val;
-
-  __asm__ __volatile__("1:	ldx	[%3], %0\n\t"
-		       "	add	%0, %4, %1\n\t"
-		       "	casx	[%3], %0, %1\n\t"
-		       "	sub	%0, %1, %0\n\t"
-		       "	brnz,pn	%0, 1b\n\t"
-		       "	 nop"
-		       : "=&r" (__tmp1), "=&r" (__tmp2), "=m" (*__mem)
-		       : "r" (__mem), "r" (__val_extended), "m" (*__mem));
-  return __tmp2;
-}
-
-static inline void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
+namespace __gnu_cxx
 {
-  _Atomic_word __tmp1, __tmp2;
-  _Atomic_word __val_extended = __val;
-
-  __asm__ __volatile__("1:	ldx	[%3], %0\n\t"
-		       "	add	%0, %4, %1\n\t"
-		       "	casx	[%3], %0, %1\n\t"
-		       "	sub	%0, %1, %0\n\t"
-		       "	brnz,pn	%0, 1b\n\t"
-		       "	 nop"
-		       : "=&r" (__tmp1), "=&r" (__tmp2), "=m" (*__mem)
-		       : "r" (__mem), "r" (__val_extended), "m" (*__mem));
-}
-
+#ifdef __arch64__
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
+  {
+    _Atomic_word __tmp1, __tmp2;
+    _Atomic_word __val_extended = __val;
+
+    __asm__ __volatile__("1:	ldx	[%3], %0\n\t"
+			 "	add	%0, %4, %1\n\t"
+			 "	casx	[%3], %0, %1\n\t"
+			 "	sub	%0, %1, %0\n\t"
+			 "	brnz,pn	%0, 1b\n\t"
+			 "	 nop"
+			 : "=&r" (__tmp1), "=&r" (__tmp2), "=m" (*__mem)
+			 : "r" (__mem), "r" (__val_extended), "m" (*__mem));
+    return __tmp2;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  {
+    _Atomic_word __tmp1, __tmp2;
+    _Atomic_word __val_extended = __val;
+    
+    __asm__ __volatile__("1:	ldx	[%3], %0\n\t"
+			 "	add	%0, %4, %1\n\t"
+			 "	casx	[%3], %0, %1\n\t"
+			 "	sub	%0, %1, %0\n\t"
+			 "	brnz,pn	%0, 1b\n\t"
+			 "	 nop"
+			 : "=&r" (__tmp1), "=&r" (__tmp2), "=m" (*__mem)
+			 : "r" (__mem), "r" (__val_extended), "m" (*__mem));
+  }
+  
 #else /* __arch32__ */
 
-typedef int _Atomic_word;
-
-template<int __inst>
-  struct __Atomicity_lock
+  template<int __inst>
+    struct __Atomicity_lock
+    {
+      static unsigned char _S_atomicity_lock;
+    };
+
+  template<int __inst>
+  unsigned char __Atomicity_lock<__inst>::_S_atomicity_lock = 0;
+  
+  template unsigned char __Atomicity_lock<0>::_S_atomicity_lock;
+  
+  _Atomic_word
+  __attribute__ ((__unused__))
+  __exchange_and_add(volatile _Atomic_word* __mem, int __val)
   {
-    static unsigned char _S_atomicity_lock;
-  };
-
-template<int __inst>
-unsigned char __Atomicity_lock<__inst>::_S_atomicity_lock = 0;
-
-template unsigned char __Atomicity_lock<0>::_S_atomicity_lock;
-
-static int
-__attribute__ ((__unused__))
-__exchange_and_add(volatile _Atomic_word* __mem, int __val)
-{
-  _Atomic_word __result, __tmp;
-
-  __asm__ __volatile__("1:	ldstub	[%1], %0\n\t"
-		       "	cmp	%0, 0\n\t"
-		       "	bne	1b\n\t"
-		       "	 nop"
-		       : "=&r" (__tmp)
-		       : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
-		       : "memory");
-  __result = *__mem;
-  *__mem += __val;
-  __asm__ __volatile__("stb	%%g0, [%0]"
-		       : /* no outputs */
-		       : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
-		       : "memory");
-  return __result;
-}
-
-static void
-__attribute__ ((__unused__))
-__atomic_add(volatile _Atomic_word* __mem, int __val)
-{
-  _Atomic_word __tmp;
-
-  __asm__ __volatile__("1:	ldstub	[%1], %0\n\t"
-		       "	cmp	%0, 0\n\t"
-		       "	bne	1b\n\t"
-		       "	 nop"
-		       : "=&r" (__tmp)
-		       : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
-		       : "memory");
-  *__mem += __val;
-  __asm__ __volatile__("stb	%%g0, [%0]"
-		       : /* no outputs */
-		       : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
-		       : "memory");
-}
-
+    _Atomic_word __result, __tmp;
+    
+    __asm__ __volatile__("1:	ldstub	[%1], %0\n\t"
+			 "	cmp	%0, 0\n\t"
+			 "	bne	1b\n\t"
+			 "	 nop"
+			 : "=&r" (__tmp)
+			 : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
+			 : "memory");
+    __result = *__mem;
+    *__mem += __val;
+    __asm__ __volatile__("stb	%%g0, [%0]"
+			 : /* no outputs */
+			 : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
+			 : "memory");
+    return __result;
+  }
+  
+  void
+  __attribute__ ((__unused__))
+  __atomic_add(volatile _Atomic_word* __mem, int __val)
+  {
+    _Atomic_word __tmp;
+    
+    __asm__ __volatile__("1:	ldstub	[%1], %0\n\t"
+			 "	cmp	%0, 0\n\t"
+			 "	bne	1b\n\t"
+			 "	 nop"
+			 : "=&r" (__tmp)
+			 : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
+			 : "memory");
+    *__mem += __val;
+    __asm__ __volatile__("stb	%%g0, [%0]"
+			 : /* no outputs */
+			 : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
+			 : "memory");
+  }  
 #endif /* __arch32__ */
-
-#endif /* atomicity.h */
+} // namespace __gnu_cxx