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annotate src/cpu/ppc/vm/registerMap_ppc.hpp @ 19157:3a2fce66fda0

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[SPARC] make CompareAndSwapOp side-effect free.
author Josef Eisl <josef.eisl@jku.at>
date Thu, 05 Feb 2015 13:16:09 +0100
parents ec28f9c041ff
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * Copyright 2012, 2013 SAP AG. All rights reserved.
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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
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
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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
ec28f9c041ff 8019972: PPC64 (part 9): platform files for interpreter only VM.
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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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 * or visit www.oracle.com if you need additional information or have any
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22 * questions.
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23 *
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24 */
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25
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26 #ifndef CPU_PPC_VM_REGISTERMAP_PPC_HPP
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27 #define CPU_PPC_VM_REGISTERMAP_PPC_HPP
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28
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29 // machine-dependent implemention for register maps
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30 friend class frame;
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31
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32 private:
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33 // This is the hook for finding a register in an "well-known" location,
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34 // such as a register block of a predetermined format.
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35 // Since there is none, we just return NULL.
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36 // See registerMap_sparc.hpp for an example of grabbing registers
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37 // from register save areas of a standard layout.
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38 address pd_location(VMReg reg) const { return NULL; }
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39
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40 // no PD state to clear or copy:
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41 void pd_clear() {}
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42 void pd_initialize() {}
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43 void pd_initialize_from(const RegisterMap* map) {}
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44
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45 #endif // CPU_PPC_VM_REGISTERMAP_PPC_HPP