/*

 * Copyright 2007, 2008 Red Hat, Inc.

 * 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.

 *

 *

 */

 public:

  static void invoke_method(methodOop method, address entry_point, TRAPS) {

    ((ZeroEntry *) entry_point)->invoke(method, THREAD);

  }

  static void invoke_osr(methodOop method,

                         address   entry_point,

                         address   osr_buf,

                         TRAPS) {

    ((ZeroEntry *) entry_point)->invoke_osr(method, osr_buf, THREAD);

  }

 public:

  static int expr_index_at(int i) {

    return stackElementWords * i;

  }

  static int expr_offset_in_bytes(int i) {

    return stackElementSize * i;

  }

  static int local_index_at(int i) {

    assert(i <= 0, "local direction already negated");

    return stackElementWords * i;

  }