1 /*

     2  * Copyright 2003-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

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

    22  * have any 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   static int expr_tag_index_at(int i) {

    42     assert(TaggedStackInterpreter, "should not call this");

    43     Unimplemented();

    44   }

    45 

    46   static int expr_offset_in_bytes(int i) {

    47     return stackElementSize() * i;

    48   }

    49   static int expr_tag_offset_in_bytes(int i) {

    50     assert(TaggedStackInterpreter, "should not call this");

    51     Unimplemented();

    52   }

    53 

    54   static int local_index_at(int i) {

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

    56     return stackElementWords() * i + (value_offset_in_bytes() / wordSize);

    57   }

    58   static int local_tag_index_at(int i) {

    59     assert(TaggedStackInterpreter, "should not call this");

    60     Unimplemented();

    61   }