Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/blockOffsetTable.cpp
src/share/vm/memory/blockOffsetTable.cpp
- changeset 4037
- da91efe96a93
- parent 3900
- d2a62e0f25eb
- child 4993
- 746b070f5022
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| 4036:36d1d483d5d6 | 4037:da91efe96a93 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2000, 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. |
| 95 assert(p >= _reserved.start(), "just checking"); | 95 assert(p >= _reserved.start(), "just checking"); |
| 96 size_t delta = pointer_delta(p, _reserved.start()); | 96 size_t delta = pointer_delta(p, _reserved.start()); |
| 97 return (delta & right_n_bits(LogN_words)) == (size_t)NoBits; | 97 return (delta & right_n_bits(LogN_words)) == (size_t)NoBits; |
| 98 } | 98 } |
| 99 | 99 |
| 100 | |
| 101 void BlockOffsetSharedArray::serialize(SerializeOopClosure* soc, | |
| 102 HeapWord* start, HeapWord* end) { | |
| 103 assert(_offset_array[0] == 0, "objects can't cross covered areas"); | |
| 104 assert(start <= end, "bad address range"); | |
| 105 size_t start_index = index_for(start); | |
| 106 size_t end_index = index_for(end-1)+1; | |
| 107 soc->do_region(&_offset_array[start_index], | |
| 108 (end_index - start_index) * sizeof(_offset_array[0])); | |
| 109 } | |
| 110 | 100 |
| 111 ////////////////////////////////////////////////////////////////////// | 101 ////////////////////////////////////////////////////////////////////// |
| 112 // BlockOffsetArray | 102 // BlockOffsetArray |
| 113 ////////////////////////////////////////////////////////////////////// | 103 ////////////////////////////////////////////////////////////////////// |
| 114 | 104 |
| 799 "just checking"); | 789 "just checking"); |
| 800 size_t bottom_index = _array->index_for(_bottom); | 790 size_t bottom_index = _array->index_for(_bottom); |
| 801 _array->set_offset_array(bottom_index, 0); | 791 _array->set_offset_array(bottom_index, 0); |
| 802 } | 792 } |
| 803 | 793 |
| 804 | |
| 805 void BlockOffsetArrayContigSpace::serialize(SerializeOopClosure* soc) { | |
| 806 if (soc->reading()) { | |
| 807 // Null these values so that the serializer won't object to updating them. | |
| 808 _next_offset_threshold = NULL; | |
| 809 _next_offset_index = 0; | |
| 810 } | |
| 811 soc->do_ptr(&_next_offset_threshold); | |
| 812 soc->do_size_t(&_next_offset_index); | |
| 813 } | |
| 814 | |
| 815 size_t BlockOffsetArrayContigSpace::last_active_index() const { | 794 size_t BlockOffsetArrayContigSpace::last_active_index() const { |
| 816 size_t result = _next_offset_index - 1; | 795 size_t result = _next_offset_index - 1; |
| 817 return result >= 0 ? result : 0; | 796 return result >= 0 ? result : 0; |
| 818 } | 797 } |
