--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/gc_implementation/shared/immutableSpace.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2001-2006 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.
+ *
+ */
+
+# include "incls/_precompiled.incl"
+# include "incls/_immutableSpace.cpp.incl"
+
+void ImmutableSpace::initialize(MemRegion mr) {
+  HeapWord* bottom = mr.start();
+  HeapWord* end    = mr.end();
+
+  assert(Universe::on_page_boundary(bottom) && Universe::on_page_boundary(end),
+         "invalid space boundaries");
+
+  _bottom = bottom;
+  _end = end;
+}
+
+void ImmutableSpace::oop_iterate(OopClosure* cl) {
+  HeapWord* obj_addr = bottom();
+  HeapWord* t = end();
+  // Could call objects iterate, but this is easier.
+  while (obj_addr < t) {
+    obj_addr += oop(obj_addr)->oop_iterate(cl);
+  }
+}
+
+void ImmutableSpace::object_iterate(ObjectClosure* cl) {
+  HeapWord* p = bottom();
+  while (p < end()) {
+    cl->do_object(oop(p));
+    p += oop(p)->size();
+  }
+}
+
+#ifndef PRODUCT
+
+void ImmutableSpace::print_short() const {
+  tty->print(" space " SIZE_FORMAT "K, 100%% used", capacity_in_bytes() / K);
+}
+
+void ImmutableSpace::print() const {
+  print_short();
+  tty->print_cr(" [%#-6lx,%#-6lx)", bottom(), end());
+}
+
+#endif
+
+void ImmutableSpace::verify(bool allow_dirty) const {
+  HeapWord* p = bottom();
+  HeapWord* t = end();
+  HeapWord* prev_p = NULL;
+  while (p < t) {
+    oop(p)->verify();
+    prev_p = p;
+    p += oop(p)->size();
+  }
+  guarantee(p == end(), "end of last object must match end of space");
+}