--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/vm/oops/symbolKlass.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,74 @@
+/*
+ * Copyright 1997-2006 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.
+ *
+ */
+
+// a symbolKlass is the klass for a symbolOop
+
+class symbolKlass : public Klass {
+  friend class VMStructs;
+ private:
+  juint    _alloc_size;        // allocation profiling support
+ public:
+  // Allocation
+  DEFINE_ALLOCATE_PERMANENT(symbolKlass);
+  static klassOop create_klass(TRAPS);
+  symbolOop allocate_symbol(u1* name, int len, TRAPS);   // Assumes no characters larger than 0x7F
+  bool allocate_symbols(int names_count, const char** names, int* lengths, symbolOop* sym_oops, TRAPS);
+
+  // Test operation
+  bool oop_is_symbol() const { return true; }
+
+  // Casting from klassOop
+  static symbolKlass* cast(klassOop k) {
+    assert(k->klass_part()->oop_is_symbol(), "cast to symbolKlass");
+    return (symbolKlass*) k->klass_part();
+  }
+
+  static int header_size()       { return oopDesc::header_size() + sizeof(symbolKlass)/HeapWordSize; }
+  int oop_size(oop obj) const;
+  int klass_oop_size() const     { return object_size(); }
+  int object_size() const        { return align_object_size(header_size()); }
+
+    // Garbage collection
+  void oop_follow_contents(oop obj);
+  int  oop_adjust_pointers(oop obj);
+  bool oop_is_parsable(oop obj) const;
+
+  // Parallel Scavenge and Parallel Old
+  PARALLEL_GC_DECLS
+
+  // Allocation profiling support
+  juint alloc_size() const              { return _alloc_size; }
+  void set_alloc_size(juint n)          { _alloc_size = n; }
+
+  // Iterators
+  int  oop_oop_iterate(oop obj, OopClosure* blk);
+  int  oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
+
+#ifndef PRODUCT
+  // Printing
+  void oop_print_value_on(oop obj, outputStream* st);
+  void oop_print_on(oop obj, outputStream* st);
+#endif
+  const char* internal_name() const;
+};