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