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1 /*
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2 * Copyright 2003-2010 Sun Microsystems, Inc. All Rights Reserved.
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3 * Copyright 2007, 2008 Red Hat, Inc.
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4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 *
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6 * This code is free software; you can redistribute it and/or modify it
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7 * under the terms of the GNU General Public License version 2 only, as
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8 * published by the Free Software Foundation.
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9 *
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10 * This code is distributed in the hope that it will be useful, but WITHOUT
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11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * version 2 for more details (a copy is included in the LICENSE file that
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14 * accompanied this code).
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15 *
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16 * You should have received a copy of the GNU General Public License version
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17 * 2 along with this work; if not, write to the Free Software Foundation,
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18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 *
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20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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21 * CA 95054 USA or visit www.sun.com if you need additional information or
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22 * have any questions.
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23 *
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24 */
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25
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26 public:
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27 static void invoke_method(methodOop method, address entry_point, TRAPS) {
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28 ((ZeroEntry *) entry_point)->invoke(method, THREAD);
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29 }
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30 static void invoke_osr(methodOop method,
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31 address entry_point,
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32 address osr_buf,
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33 TRAPS) {
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34 ((ZeroEntry *) entry_point)->invoke_osr(method, osr_buf, THREAD);
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35 }
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36
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37 public:
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38 static int expr_index_at(int i) {
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39 return stackElementWords() * i;
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40 }
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41
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42 static int expr_offset_in_bytes(int i) {
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43 return stackElementSize() * i;
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44 }
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45
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46 static int local_index_at(int i) {
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47 assert(i <= 0, "local direction already negated");
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48 return stackElementWords() * i;
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49 }
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