Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/genOopClosures.inline.hpp
src/share/vm/memory/genOopClosures.inline.hpp
- changeset 4037
- da91efe96a93
- parent 2314
- f95d63e2154a
- child 6876
- 710a3c8b516e
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| 4036:36d1d483d5d6 | 4037:da91efe96a93 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
| 6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 33 #include "memory/generation.hpp" | 33 #include "memory/generation.hpp" |
| 34 #include "memory/sharedHeap.hpp" | 34 #include "memory/sharedHeap.hpp" |
| 35 #include "memory/space.hpp" | 35 #include "memory/space.hpp" |
| 36 | 36 |
| 37 inline OopsInGenClosure::OopsInGenClosure(Generation* gen) : | 37 inline OopsInGenClosure::OopsInGenClosure(Generation* gen) : |
| 38 OopClosure(gen->ref_processor()), _orig_gen(gen), _rs(NULL) { | 38 ExtendedOopClosure(gen->ref_processor()), _orig_gen(gen), _rs(NULL) { |
| 39 set_generation(gen); | 39 set_generation(gen); |
| 40 } | 40 } |
| 41 | 41 |
| 42 inline void OopsInGenClosure::set_generation(Generation* gen) { | 42 inline void OopsInGenClosure::set_generation(Generation* gen) { |
| 43 _gen = gen; | 43 _gen = gen; |
| 70 if ((HeapWord*)obj < gen_boundary()) { | 70 if ((HeapWord*)obj < gen_boundary()) { |
| 71 rs()->write_ref_field_gc_par(p, obj); | 71 rs()->write_ref_field_gc_par(p, obj); |
| 72 } | 72 } |
| 73 } | 73 } |
| 74 | 74 |
| 75 inline void OopsInKlassOrGenClosure::do_klass_barrier() { | |
| 76 assert(_scanned_klass != NULL, "Must be"); | |
| 77 _scanned_klass->record_modified_oops(); | |
| 78 } | |
| 79 | |
| 75 // NOTE! Any changes made here should also be made | 80 // NOTE! Any changes made here should also be made |
| 76 // in FastScanClosure::do_oop_work() | 81 // in FastScanClosure::do_oop_work() |
| 77 template <class T> inline void ScanClosure::do_oop_work(T* p) { | 82 template <class T> inline void ScanClosure::do_oop_work(T* p) { |
| 78 T heap_oop = oopDesc::load_heap_oop(p); | 83 T heap_oop = oopDesc::load_heap_oop(p); |
| 79 // Should we copy the obj? | 84 // Should we copy the obj? |
| 83 assert(!_g->to()->is_in_reserved(obj), "Scanning field twice?"); | 88 assert(!_g->to()->is_in_reserved(obj), "Scanning field twice?"); |
| 84 oop new_obj = obj->is_forwarded() ? obj->forwardee() | 89 oop new_obj = obj->is_forwarded() ? obj->forwardee() |
| 85 : _g->copy_to_survivor_space(obj); | 90 : _g->copy_to_survivor_space(obj); |
| 86 oopDesc::encode_store_heap_oop_not_null(p, new_obj); | 91 oopDesc::encode_store_heap_oop_not_null(p, new_obj); |
| 87 } | 92 } |
| 88 if (_gc_barrier) { | 93 |
| 94 if (is_scanning_a_klass()) { | |
| 95 do_klass_barrier(); | |
| 96 } else if (_gc_barrier) { | |
| 89 // Now call parent closure | 97 // Now call parent closure |
| 90 do_barrier(p); | 98 do_barrier(p); |
| 91 } | 99 } |
| 92 } | 100 } |
| 93 } | 101 } |
| 105 if ((HeapWord*)obj < _boundary) { | 113 if ((HeapWord*)obj < _boundary) { |
| 106 assert(!_g->to()->is_in_reserved(obj), "Scanning field twice?"); | 114 assert(!_g->to()->is_in_reserved(obj), "Scanning field twice?"); |
| 107 oop new_obj = obj->is_forwarded() ? obj->forwardee() | 115 oop new_obj = obj->is_forwarded() ? obj->forwardee() |
| 108 : _g->copy_to_survivor_space(obj); | 116 : _g->copy_to_survivor_space(obj); |
| 109 oopDesc::encode_store_heap_oop_not_null(p, new_obj); | 117 oopDesc::encode_store_heap_oop_not_null(p, new_obj); |
| 110 if (_gc_barrier) { | 118 if (is_scanning_a_klass()) { |
| 119 do_klass_barrier(); | |
| 120 } else if (_gc_barrier) { | |
| 111 // Now call parent closure | 121 // Now call parent closure |
| 112 do_barrier(p); | 122 do_barrier(p); |
| 113 } | 123 } |
| 114 } | 124 } |
| 115 } | 125 } |
