71 }
72
73 static void init_offset_of_static_fields() {
74 // Cache the offset of the static fields in the Class instance
75 assert(_offset_of_static_fields == 0, "once");
76 _offset_of_static_fields = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->size_helper() << LogHeapWordSize;
77 }
78
79 static int offset_of_static_fields() {
80 return _offset_of_static_fields;
81 }
82
83 int compute_static_oop_field_count(oop obj);
84
85 // Given a Klass return the size of the instance
86 int instance_size(KlassHandle k);
87
88 // allocation
89 instanceOop allocate_instance(KlassHandle k, TRAPS);
90
91 // Garbage collection
92 int oop_adjust_pointers(oop obj);
93 void oop_follow_contents(oop obj);
94
95 // Parallel Scavenge and Parallel Old
96 PARALLEL_GC_DECLS
97
98 int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) {
99 return oop_oop_iterate_v(obj, blk);
100 }
101 int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) {
102 return oop_oop_iterate_v_m(obj, blk, mr);
103 }
104
105 #define InstanceMirrorKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \
106 int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \
107 int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, MemRegion mr);
108
109 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceMirrorKlass_OOP_OOP_ITERATE_DECL)
110 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceMirrorKlass_OOP_OOP_ITERATE_DECL)
111
112 #if INCLUDE_ALL_GCS
113 #define InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \
114 int oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* blk);
115
116 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
117 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
118 #endif // INCLUDE_ALL_GCS
119 };
120
121 #endif // SHARE_VM_OOPS_INSTANCEMIRRORKLASS_HPP
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71 }
72
73 static void init_offset_of_static_fields() {
74 // Cache the offset of the static fields in the Class instance
75 assert(_offset_of_static_fields == 0, "once");
76 _offset_of_static_fields = InstanceMirrorKlass::cast(SystemDictionary::Class_klass())->size_helper() << LogHeapWordSize;
77 }
78
79 static int offset_of_static_fields() {
80 return _offset_of_static_fields;
81 }
82
83 int compute_static_oop_field_count(oop obj);
84
85 // Given a Klass return the size of the instance
86 int instance_size(KlassHandle k);
87
88 // allocation
89 instanceOop allocate_instance(KlassHandle k, TRAPS);
90
91 // GC specific object visitors
92 //
93 // Mark Sweep
94 void oop_ms_follow_contents(oop obj);
95 int oop_ms_adjust_pointers(oop obj);
96 #if INCLUDE_ALL_GCS
97 // Parallel Scavenge
98 void oop_ps_push_contents( oop obj, PSPromotionManager* pm);
99 // Parallel Compact
100 void oop_pc_follow_contents(oop obj, ParCompactionManager* cm);
101 void oop_pc_update_pointers(oop obj);
102 #endif
103
104 // Oop fields (and metadata) iterators
105 // [nv = true] Use non-virtual calls to do_oop_nv.
106 // [nv = false] Use virtual calls to do_oop.
107 //
108 // The InstanceMirrorKlass iterators also visit the hidden Klass pointer.
109
110 public:
111 // Iterate over the static fields.
112 template <bool nv, class OopClosureType>
113 inline void oop_oop_iterate_statics(oop obj, OopClosureType* closure);
114
115 private:
116 // Iterate over the static fields.
117 // Specialized for [T = oop] or [T = narrowOop].
118 template <bool nv, typename T, class OopClosureType>
119 inline void oop_oop_iterate_statics_specialized(oop obj, OopClosureType* closure);
120
121 // Forward iteration
122 // Iterate over the oop fields and metadata.
123 template <bool nv, class OopClosureType>
124 inline int oop_oop_iterate(oop obj, OopClosureType* closure);
125
126
127 // Reverse iteration
128 #if INCLUDE_ALL_GCS
129 // Iterate over the oop fields and metadata.
130 template <bool nv, class OopClosureType>
131 inline int oop_oop_iterate_reverse(oop obj, OopClosureType* closure);
132 #endif
133
134
135 // Bounded range iteration
136 // Iterate over the oop fields and metadata.
137 template <bool nv, class OopClosureType>
138 inline int oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr);
139
140 // Iterate over the static fields.
141 template <bool nv, class OopClosureType>
142 inline void oop_oop_iterate_statics_bounded(oop obj, OopClosureType* closure, MemRegion mr);
143
144 // Iterate over the static fields.
145 // Specialized for [T = oop] or [T = narrowOop].
146 template <bool nv, typename T, class OopClosureType>
147 inline void oop_oop_iterate_statics_specialized_bounded(oop obj, OopClosureType* closure, MemRegion mr);
148
149
150 public:
151
152 #define InstanceMirrorKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \
153 int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \
154 int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, MemRegion mr);
155
156 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceMirrorKlass_OOP_OOP_ITERATE_DECL)
157 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceMirrorKlass_OOP_OOP_ITERATE_DECL)
158
159 #if INCLUDE_ALL_GCS
160 #define InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \
161 int oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* blk);
162
163 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
164 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
165 #endif // INCLUDE_ALL_GCS
166 };
167
168 #endif // SHARE_VM_OOPS_INSTANCEMIRRORKLASS_HPP
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