--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1_specialized_oop_closures.hpp	Thu Jun 05 15:57:56 2008 -0700
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2001-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// The following OopClosure types get specialized versions of
+// "oop_oop_iterate" that invoke the closures' do_oop methods
+// non-virtually, using a mechanism defined in this file.  Extend these
+// macros in the obvious way to add specializations for new closures.
+
+// Forward declarations.
+enum G1Barrier {
+  G1BarrierNone, G1BarrierRS, G1BarrierEvac
+};
+
+template<bool do_gen_barrier, G1Barrier barrier, bool do_mark_forwardee>
+class G1ParCopyClosure;
+class G1ParScanClosure;
+
+typedef G1ParCopyClosure<false, G1BarrierEvac, false> G1ParScanHeapEvacClosure;
+
+class FilterIntoCSClosure;
+class FilterOutOfRegionClosure;
+class FilterInHeapRegionAndIntoCSClosure;
+class FilterAndMarkInHeapRegionAndIntoCSClosure;
+class G1ScanAndBalanceClosure;
+
+#ifdef FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES
+#error "FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES already defined."
+#endif
+
+#define FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES(f) \
+      f(G1ParScanHeapEvacClosure,_nv)                   \
+      f(G1ParScanClosure,_nv)                           \
+      f(FilterIntoCSClosure,_nv)                        \
+      f(FilterOutOfRegionClosure,_nv)                   \
+      f(FilterInHeapRegionAndIntoCSClosure,_nv)         \
+      f(FilterAndMarkInHeapRegionAndIntoCSClosure,_nv)  \
+      f(G1ScanAndBalanceClosure,_nv)
+
+#ifdef FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES
+#error "FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES already defined."
+#endif
+
+#define FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f)