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1 /* |
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2 * Copyright 2000-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 * |
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23 */ |
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24 |
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25 class ContigPermSpace; |
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26 class CardTableModRefBS; |
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27 class CompactingPermGenGen; |
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28 class PermanentGenerationSpec; |
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29 |
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30 // A PermGen implemented with a contiguous space. |
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31 class CompactingPermGen: public PermGen { |
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32 friend class VMStructs; |
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33 protected: |
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34 // The "generation" view. |
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35 OneContigSpaceCardGeneration* _gen; |
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36 |
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37 public: |
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38 CompactingPermGen(ReservedSpace rs, ReservedSpace shared_rs, |
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39 size_t initial_byte_size, GenRemSet* remset, |
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40 PermanentGenerationSpec* perm_spec); |
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41 |
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42 HeapWord* mem_allocate(size_t size); |
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43 |
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44 void compute_new_size(); |
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45 |
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46 Generation* as_gen() const { return _gen; } |
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47 |
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48 }; |