1 /*

     2  * Copyright 1998-2005 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    24 

    25 // The Rewriter adds caches to the constant pool and rewrites bytecode indices

    26 // pointing into the constant pool for better interpreter performance.

    27 

    28 class Rewriter: public AllStatic {

    29  private:

    30   static void compute_index_maps(constantPoolHandle pool, intArray*& index_map, intStack*& inverse_index_map);

    31   static constantPoolCacheHandle new_constant_pool_cache(intArray& inverse_index_map, TRAPS);

    32   static methodHandle rewrite_method(methodHandle method, intArray& index_map, TRAPS);

    33   static void rewrite_Object_init(methodHandle method, TRAPS);

    34 

    35  public:

    36   static void rewrite(instanceKlassHandle klass, TRAPS);

    37 };