48 return align_up(size_in_bits, BitsPerWord);
49 }
50
51 inline size_t InstanceStackChunkKlass::gc_data_size(size_t stack_size_in_words) {
52 // At the moment all GCs are okay with GC data big enough to fit a bit map
53 return bitmap_size(stack_size_in_words);
54 }
55
56 inline size_t InstanceStackChunkKlass::bitmap_size(size_t stack_size_in_words) {
57 return bitmap_size_in_bits(stack_size_in_words) >> LogBitsPerWord;
58 }
59
60 template <typename T, class OopClosureType>
61 void InstanceStackChunkKlass::oop_oop_iterate(oop obj, OopClosureType* closure) {
62 stackChunkOop chunk = stackChunkOopDesc::cast(obj);
63 if (Devirtualizer::do_metadata(closure)) {
64 Devirtualizer::do_klass(closure, this);
65 }
66 oop_oop_iterate_stack<T>(chunk, closure);
67 oop_oop_iterate_header<T>(chunk, closure);
68 }
69
70 template <typename T, class OopClosureType>
71 void InstanceStackChunkKlass::oop_oop_iterate_reverse(oop obj, OopClosureType* closure) {
72 assert(!Devirtualizer::do_metadata(closure), "Code to handle metadata is not implemented");
73 stackChunkOop chunk = stackChunkOopDesc::cast(obj);
74 oop_oop_iterate_stack<T>(chunk, closure);
75 oop_oop_iterate_header<T>(chunk, closure);
76 }
77
78 template <typename T, class OopClosureType>
79 void InstanceStackChunkKlass::oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr) {
80 stackChunkOop chunk = stackChunkOopDesc::cast(obj);
81 if (Devirtualizer::do_metadata(closure)) {
82 if (mr.contains(obj)) {
83 Devirtualizer::do_klass(closure, this);
84 }
85 }
86 oop_oop_iterate_stack_bounded<T>(chunk, closure, mr);
87 oop_oop_iterate_header_bounded<T>(chunk, closure, mr);
88 }
89
90 template <typename T, class OopClosureType>
91 void InstanceStackChunkKlass::oop_oop_iterate_header(stackChunkOop chunk, OopClosureType* closure) {
92 T* parent_addr = chunk->field_addr<T>(jdk_internal_vm_StackChunk::parent_offset());
93 T* cont_addr = chunk->field_addr<T>(jdk_internal_vm_StackChunk::cont_offset());
94 Devirtualizer::do_oop(closure, parent_addr);
95 Devirtualizer::do_oop(closure, cont_addr);
96 }
97
98 template <typename T, class OopClosureType>
99 void InstanceStackChunkKlass::oop_oop_iterate_header_bounded(stackChunkOop chunk, OopClosureType* closure, MemRegion mr) {
100 T* parent_addr = chunk->field_addr<T>(jdk_internal_vm_StackChunk::parent_offset());
101 T* cont_addr = chunk->field_addr<T>(jdk_internal_vm_StackChunk::cont_offset());
102 if (mr.contains(parent_addr)) {
103 Devirtualizer::do_oop(closure, parent_addr);
104 }
105 if (mr.contains(cont_addr)) {
106 Devirtualizer::do_oop(closure, cont_addr);
107 }
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48 return align_up(size_in_bits, BitsPerWord);
49 }
50
51 inline size_t InstanceStackChunkKlass::gc_data_size(size_t stack_size_in_words) {
52 // At the moment all GCs are okay with GC data big enough to fit a bit map
53 return bitmap_size(stack_size_in_words);
54 }
55
56 inline size_t InstanceStackChunkKlass::bitmap_size(size_t stack_size_in_words) {
57 return bitmap_size_in_bits(stack_size_in_words) >> LogBitsPerWord;
58 }
59
60 template <typename T, class OopClosureType>
61 void InstanceStackChunkKlass::oop_oop_iterate(oop obj, OopClosureType* closure) {
62 stackChunkOop chunk = stackChunkOopDesc::cast(obj);
63 if (Devirtualizer::do_metadata(closure)) {
64 Devirtualizer::do_klass(closure, this);
65 }
66 oop_oop_iterate_stack<T>(chunk, closure);
67 oop_oop_iterate_header<T>(chunk, closure);
68 oop_oop_iterate_lockstack<T>(chunk, closure, chunk->range());
69 }
70
71 template <typename T, class OopClosureType>
72 void InstanceStackChunkKlass::oop_oop_iterate_reverse(oop obj, OopClosureType* closure) {
73 assert(!Devirtualizer::do_metadata(closure), "Code to handle metadata is not implemented");
74 stackChunkOop chunk = stackChunkOopDesc::cast(obj);
75 oop_oop_iterate_stack<T>(chunk, closure);
76 oop_oop_iterate_header<T>(chunk, closure);
77 oop_oop_iterate_lockstack<T>(chunk, closure, chunk->range());
78 }
79
80 template <typename T, class OopClosureType>
81 void InstanceStackChunkKlass::oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr) {
82 stackChunkOop chunk = stackChunkOopDesc::cast(obj);
83 if (Devirtualizer::do_metadata(closure)) {
84 if (mr.contains(obj)) {
85 Devirtualizer::do_klass(closure, this);
86 }
87 }
88 oop_oop_iterate_stack_bounded<T>(chunk, closure, mr);
89 oop_oop_iterate_header_bounded<T>(chunk, closure, mr);
90 oop_oop_iterate_lockstack<T>(chunk, closure, mr);
91 }
92
93 template <typename T, class OopClosureType>
94 void InstanceStackChunkKlass::oop_oop_iterate_header(stackChunkOop chunk, OopClosureType* closure) {
95 T* parent_addr = chunk->field_addr<T>(jdk_internal_vm_StackChunk::parent_offset());
96 T* cont_addr = chunk->field_addr<T>(jdk_internal_vm_StackChunk::cont_offset());
97 Devirtualizer::do_oop(closure, parent_addr);
98 Devirtualizer::do_oop(closure, cont_addr);
99 }
100
101 template <typename T, class OopClosureType>
102 void InstanceStackChunkKlass::oop_oop_iterate_header_bounded(stackChunkOop chunk, OopClosureType* closure, MemRegion mr) {
103 T* parent_addr = chunk->field_addr<T>(jdk_internal_vm_StackChunk::parent_offset());
104 T* cont_addr = chunk->field_addr<T>(jdk_internal_vm_StackChunk::cont_offset());
105 if (mr.contains(parent_addr)) {
106 Devirtualizer::do_oop(closure, parent_addr);
107 }
108 if (mr.contains(cont_addr)) {
109 Devirtualizer::do_oop(closure, cont_addr);
110 }
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