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annotate src/cpu/sparc/vm/globalDefinitions_sparc.hpp @ 20304:a22acf6d7598

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8048112: G1 Full GC needs to support the case when the very first region is not available Summary: Refactor preparation for compaction during Full GC so that it lazily initializes the first compaction point. This also avoids problems later when the first region may not be committed. Also reviewed by K. Barrett. Reviewed-by: brutisso
author tschatzl
date Mon, 21 Jul 2014 10:00:31 +0200
parents a9becfeecd1b
children 4ca6dc0799b6
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1 /*
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2 * Copyright (c) 1999, 2013, 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 #ifndef CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
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26 #define CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP
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27
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28 // Size of Sparc Instructions
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29 const int BytesPerInstWord = 4;
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31 const int StackAlignmentInBytes = (2*wordSize);
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32
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33 // Indicates whether the C calling conventions require that
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34 // 32-bit integer argument values are properly extended to 64 bits.
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35 // If set, SharedRuntime::c_calling_convention() must adapt
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36 // signatures accordingly.
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37 const bool CCallingConventionRequiresIntsAsLongs = false;
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38
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39 #define SUPPORTS_NATIVE_CX8
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41 #endif // CPU_SPARC_VM_GLOBALDEFINITIONS_SPARC_HPP