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1 /* |
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2 * Copyright (c) 2015, 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 SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP |
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26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP |
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27 |
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28 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp" |
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29 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp" |
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30 #include "gc_interface/collectedHeap.hpp" |
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31 #include "oops/klass.hpp" |
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32 #include "oops/oop.inline.hpp" |
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33 |
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34 template <typename T> |
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35 inline void PSParallelCompact::mark_and_push(ParCompactionManager* cm, T* p) { |
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36 T heap_oop = oopDesc::load_heap_oop(p); |
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37 if (!oopDesc::is_null(heap_oop)) { |
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38 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); |
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39 assert(Universe::heap()->is_in(obj), "should be in heap"); |
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40 |
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41 if (mark_bitmap()->is_unmarked(obj) && mark_obj(obj)) { |
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42 cm->push(obj); |
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43 } |
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44 } |
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45 } |
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46 |
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47 template <typename T> |
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48 inline void PSParallelCompact::MarkAndPushClosure::do_oop_nv(T* p) { |
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49 mark_and_push(_compaction_manager, p); |
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50 } |
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51 |
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52 inline void PSParallelCompact::MarkAndPushClosure::do_oop(oop* p) { do_oop_nv(p); } |
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53 inline void PSParallelCompact::MarkAndPushClosure::do_oop(narrowOop* p) { do_oop_nv(p); } |
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54 |
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55 inline void PSParallelCompact::follow_klass(ParCompactionManager* cm, Klass* klass) { |
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56 oop holder = klass->klass_holder(); |
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57 mark_and_push(cm, &holder); |
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58 } |
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59 |
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60 template <class T> |
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61 inline void PSParallelCompact::adjust_pointer(T* p) { |
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62 T heap_oop = oopDesc::load_heap_oop(p); |
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63 if (!oopDesc::is_null(heap_oop)) { |
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64 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); |
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65 assert(Universe::heap()->is_in(obj), "should be in heap"); |
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66 |
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67 oop new_obj = (oop)summary_data().calc_new_pointer(obj); |
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68 assert(new_obj != NULL, // is forwarding ptr? |
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69 "should be forwarded"); |
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70 // Just always do the update unconditionally? |
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71 if (new_obj != NULL) { |
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72 assert(Universe::heap()->is_in_reserved(new_obj), |
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73 "should be in object space"); |
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74 oopDesc::encode_store_heap_oop_not_null(p, new_obj); |
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75 } |
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76 } |
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77 } |
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78 |
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79 template <typename T> |
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80 void PSParallelCompact::AdjustPointerClosure::do_oop_nv(T* p) { |
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81 adjust_pointer(p); |
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82 } |
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83 |
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84 inline void PSParallelCompact::AdjustPointerClosure::do_oop(oop* p) { do_oop_nv(p); } |
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85 inline void PSParallelCompact::AdjustPointerClosure::do_oop(narrowOop* p) { do_oop_nv(p); } |
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86 |
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87 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPARALLELCOMPACT_INLINE_HPP |