annotate src/cpu/zero/vm/registerMap_zero.hpp @ 1845:a222fcfba398

6990549: Zero and Shark fixes after 6978355 and 6953144 Reviewed-by: twisti Contributed-by: Gary Benson <gbenson@redhat.com>
author twisti
date Fri, 08 Oct 2010 02:42:17 -0700
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children f95d63e2154a
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1 /*
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2 * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 // machine-dependent implemention for register maps
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26 friend class frame;
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27
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28 private:
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29 // This is the hook for finding a register in an "well-known" location,
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30 // such as a register block of a predetermined format.
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31 // Since there is none, we just return NULL.
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32 // See registerMap_sparc.hpp for an example of grabbing registers
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33 // from register save areas of a standard layout.
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34 address pd_location(VMReg reg) const { return NULL; }
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35
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36 // no PD state to clear or copy:
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37 void pd_clear() {}
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38 void pd_initialize() {}
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39 void pd_initialize_from(const RegisterMap* map) {}