hotspot/src/share/vm/interpreter/rewriter.hpp
changeset 1 489c9b5090e2
child 2570 ecc7862946d4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/interpreter/rewriter.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,37 @@
+/*
+ * Copyright 1998-2005 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 Rewriter adds caches to the constant pool and rewrites bytecode indices
+// pointing into the constant pool for better interpreter performance.
+
+class Rewriter: public AllStatic {
+ private:
+  static void compute_index_maps(constantPoolHandle pool, intArray*& index_map, intStack*& inverse_index_map);
+  static constantPoolCacheHandle new_constant_pool_cache(intArray& inverse_index_map, TRAPS);
+  static methodHandle rewrite_method(methodHandle method, intArray& index_map, TRAPS);
+  static void rewrite_Object_init(methodHandle method, TRAPS);
+
+ public:
+  static void rewrite(instanceKlassHandle klass, TRAPS);
+};