Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/parallelScavenge/objectStartArray.hpp
src/share/vm/gc_implementation/parallelScavenge/objectStartArray.hpp
- changeset 25
- 873fd82b133d
- parent 1
- 2d8a650513c2
- child 6876
- 710a3c8b516e
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| 24:d2be62fdfa50 | 25:873fd82b133d |
|---|---|
| 18 * | 18 * |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 * or visit www.oracle.com if you need additional information or have any | 20 * or visit www.oracle.com if you need additional information or have any |
| 21 * questions. | 21 * questions. |
| 22 * | 22 * |
| 23 */ | |
| 24 | |
| 25 /* | |
| 26 * This file has been modified by Loongson Technology in 2015. These | |
| 27 * modifications are Copyright (c) 2015 Loongson Technology, and are made | |
| 28 * available on the same license terms set forth above. | |
| 29 */ | 23 */ |
| 30 | 24 |
| 31 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_OBJECTSTARTARRAY_HPP | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_OBJECTSTARTARRAY_HPP |
| 32 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_OBJECTSTARTARRAY_HPP | 26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_OBJECTSTARTARRAY_HPP |
| 33 | 27 |
| 158 assert(scroll_forward <= addr, "wrong order for current and arg"); | 152 assert(scroll_forward <= addr, "wrong order for current and arg"); |
| 159 assert(addr <= next, "wrong order for arg and next"); | 153 assert(addr <= next, "wrong order for arg and next"); |
| 160 return scroll_forward; | 154 return scroll_forward; |
| 161 } | 155 } |
| 162 | 156 |
| 163 HeapWord* object_start_oldnuma(HeapWord* addr, HeapWord* bottom) const { | |
| 164 assert(_covered_region.contains(addr), "Must be in covered region"); | |
| 165 jbyte* block = block_for_addr(addr); | |
| 166 HeapWord* scroll_forward; | |
| 167 if(bottom == addr) | |
| 168 return bottom; | |
| 169 else | |
| 170 scroll_forward = offset_addr_for_block(block--); | |
| 171 while (scroll_forward > addr) { | |
| 172 scroll_forward = offset_addr_for_block(block--); | |
| 173 } | |
| 174 | |
| 175 HeapWord* next = scroll_forward; | |
| 176 while (next <= addr) { | |
| 177 if(oop(next)->is_oop_or_null()) { | |
| 178 scroll_forward = next; | |
| 179 next += oop(next)->size(); | |
| 180 } | |
| 181 else | |
| 182 next++; | |
| 183 } | |
| 184 assert(scroll_forward <= addr, "wrong order for current and arg"); | |
| 185 assert(addr <= next, "wrong order for arg and next"); | |
| 186 return scroll_forward; | |
| 187 } | |
| 188 | |
| 189 bool is_block_allocated(HeapWord* addr) { | 157 bool is_block_allocated(HeapWord* addr) { |
| 190 assert(_covered_region.contains(addr), "Must be in covered region"); | 158 assert(_covered_region.contains(addr), "Must be in covered region"); |
| 191 jbyte* block = block_for_addr(addr); | 159 jbyte* block = block_for_addr(addr); |
| 192 if (*block == clean_block) | 160 if (*block == clean_block) |
| 193 return false; | 161 return false; |
