1 /*
   2  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright 2007, 2008 Red Hat, Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26  public:
  27   static void invoke_method(methodOop method, address entry_point, TRAPS) {
  28     ((ZeroEntry *) entry_point)->invoke(method, THREAD);
  29   }
  30   static void invoke_osr(methodOop method,
  31                          address   entry_point,
  32                          address   osr_buf,
  33                          TRAPS) {
  34     ((ZeroEntry *) entry_point)->invoke_osr(method, osr_buf, THREAD);
  35   }
  36 
  37  public:
  38   static int expr_index_at(int i) {
  39     return stackElementWords * i;
  40   }
  41 
  42   static int expr_offset_in_bytes(int i) {
  43     return stackElementSize * i;
  44   }
  45 
  46   static int local_index_at(int i) {
  47     assert(i <= 0, "local direction already negated");
  48     return stackElementWords * i;
  49   }