--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/memory/compactPermGen.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2000-2003 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.
+ *
+ */
+
+class ContigPermSpace;
+class CardTableModRefBS;
+class CompactingPermGenGen;
+class PermanentGenerationSpec;
+
+// A PermGen implemented with a contiguous space.
+class CompactingPermGen:  public PermGen {
+  friend class VMStructs;
+protected:
+  // The "generation" view.
+  OneContigSpaceCardGeneration* _gen;
+
+public:
+  CompactingPermGen(ReservedSpace rs, ReservedSpace shared_rs,
+                    size_t initial_byte_size, GenRemSet* remset,
+                    PermanentGenerationSpec* perm_spec);
+
+  HeapWord* mem_allocate(size_t size);
+
+  void compute_new_size();
+
+  Generation* as_gen() const { return _gen; }
+
+};