1 /* |
1 /* |
2 * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2005, 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. |
108 static int _recycled_top; |
108 static int _recycled_top; |
109 // The index into _recycled_stack_index of the last region stack index |
109 // The index into _recycled_stack_index of the last region stack index |
110 // popped. If -1, there has not been any entry popped. |
110 // popped. If -1, there has not been any entry popped. |
111 static int _recycled_bottom; |
111 static int _recycled_bottom; |
112 |
112 |
113 Stack<Klass*, mtGC> _revisit_klass_stack; |
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114 Stack<DataLayout*, mtGC> _revisit_mdo_stack; |
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115 |
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116 static ParMarkBitMap* _mark_bitmap; |
113 static ParMarkBitMap* _mark_bitmap; |
117 |
114 |
118 Action _action; |
115 Action _action; |
119 |
116 |
120 static PSOldGen* old_gen() { return _old_gen; } |
117 static PSOldGen* old_gen() { return _old_gen; } |
165 // pushes onto the region overflow stack. |
162 // pushes onto the region overflow stack. |
166 static void region_list_push(uint stack_index, size_t region_index); |
163 static void region_list_push(uint stack_index, size_t region_index); |
167 static void verify_region_list_empty(uint stack_index); |
164 static void verify_region_list_empty(uint stack_index); |
168 ParMarkBitMap* mark_bitmap() { return _mark_bitmap; } |
165 ParMarkBitMap* mark_bitmap() { return _mark_bitmap; } |
169 |
166 |
170 // Take actions in preparation for a compaction. |
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171 static void reset(); |
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172 |
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173 // void drain_stacks(); |
167 // void drain_stacks(); |
174 |
168 |
175 bool should_update(); |
169 bool should_update(); |
176 bool should_copy(); |
170 bool should_copy(); |
177 |
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178 Stack<Klass*, mtGC>* revisit_klass_stack() { return &_revisit_klass_stack; } |
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179 Stack<DataLayout*, mtGC>* revisit_mdo_stack() { return &_revisit_mdo_stack; } |
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180 |
171 |
181 // Save for later processing. Must not fail. |
172 // Save for later processing. Must not fail. |
182 inline void push(oop obj) { _marking_stack.push(obj); } |
173 inline void push(oop obj) { _marking_stack.push(obj); } |
183 inline void push_objarray(oop objarray, size_t index); |
174 inline void push_objarray(oop objarray, size_t index); |
184 inline void push_region(size_t index); |
175 inline void push_region(size_t index); |