24 |
24 |
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP |
25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP |
27 |
27 |
28 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp" |
28 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp" |
29 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp" |
29 #include "gc_implementation/parallelScavenge/psParallelCompact.inline.hpp" |
30 #include "oops/objArrayKlass.inline.hpp" |
30 #include "oops/objArrayOop.hpp" |
31 #include "oops/oop.pcgc.inline.hpp" |
31 #include "oops/oop.inline.hpp" |
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32 #include "utilities/debug.hpp" |
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33 #include "utilities/globalDefinitions.hpp" |
32 |
34 |
33 void ParCompactionManager::push_objarray(oop obj, size_t index) |
35 void ParCompactionManager::push_objarray(oop obj, size_t index) |
34 { |
36 { |
35 ObjArrayTask task(obj, index); |
37 ObjArrayTask task(obj, index); |
36 assert(task.is_valid(), "bad ObjArrayTask"); |
38 assert(task.is_valid(), "bad ObjArrayTask"); |
47 #endif |
49 #endif |
48 region_stack()->push(index); |
50 region_stack()->push(index); |
49 } |
51 } |
50 |
52 |
51 inline void ParCompactionManager::follow_contents(oop obj) { |
53 inline void ParCompactionManager::follow_contents(oop obj) { |
52 obj->follow_contents(this); |
54 assert(PSParallelCompact::mark_bitmap()->is_marked(obj), "should be marked"); |
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55 obj->pc_follow_contents(this); |
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56 } |
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57 |
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58 template <class T> |
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59 inline void oop_pc_follow_contents_specialized(ObjArrayKlass* klass, oop obj, int index, ParCompactionManager* cm) { |
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60 objArrayOop a = objArrayOop(obj); |
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61 const size_t len = size_t(a->length()); |
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62 const size_t beg_index = size_t(index); |
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63 assert(beg_index < len || len == 0, "index too large"); |
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64 |
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65 const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride); |
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66 const size_t end_index = beg_index + stride; |
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67 T* const base = (T*)a->base(); |
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68 T* const beg = base + beg_index; |
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69 T* const end = base + end_index; |
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70 |
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71 // Push the non-NULL elements of the next stride on the marking stack. |
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72 for (T* e = beg; e < end; e++) { |
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73 PSParallelCompact::mark_and_push<T>(cm, e); |
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74 } |
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75 |
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76 if (end_index < len) { |
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77 cm->push_objarray(a, end_index); // Push the continuation. |
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78 } |
53 } |
79 } |
54 |
80 |
55 inline void ParCompactionManager::follow_contents(objArrayOop obj, int index) { |
81 inline void ParCompactionManager::follow_contents(objArrayOop obj, int index) { |
56 ObjArrayKlass* k = (ObjArrayKlass*)obj->klass(); |
82 if (UseCompressedOops) { |
57 k->oop_follow_contents(this, obj, index); |
83 oop_pc_follow_contents_specialized<narrowOop>((ObjArrayKlass*)obj->klass(), obj, index, this); |
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84 } else { |
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85 oop_pc_follow_contents_specialized<oop>((ObjArrayKlass*)obj->klass(), obj, index, this); |
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86 } |
58 } |
87 } |
59 |
88 |
60 inline void ParCompactionManager::update_contents(oop obj) { |
89 inline void ParCompactionManager::update_contents(oop obj) { |
61 obj->update_contents(this); |
90 obj->pc_update_contents(); |
62 } |
91 } |
63 |
92 |
64 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP |
93 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSCOMPACTIONMANAGER_INLINE_HPP |