31
32 class ClassFileParser;
33
34 // An InstanceClassLoaderKlass is a specialization of the InstanceKlass. It does
35 // not add any field. It is added to walk the dependencies for the class loader
36 // key that this class loader points to. This is how the loader_data graph is
37 // walked and dependant class loaders are kept alive. I thought we walked
38 // the list later?
39
40 class InstanceClassLoaderKlass: public InstanceKlass {
41 friend class VMStructs;
42 friend class InstanceKlass;
43 private:
44 InstanceClassLoaderKlass(const ClassFileParser& parser) : InstanceKlass(parser, InstanceKlass::_misc_kind_class_loader) {}
45
46 public:
47 InstanceClassLoaderKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); }
48
49 // GC specific object visitors
50 //
51 #if INCLUDE_ALL_GCS
52 // Parallel Scavenge
53 void oop_ps_push_contents( oop obj, PSPromotionManager* pm);
54 // Parallel Compact
55 void oop_pc_follow_contents(oop obj, ParCompactionManager* cm);
56 void oop_pc_update_pointers(oop obj, ParCompactionManager* cm);
57 #endif
58
59 // Oop fields (and metadata) iterators
60 // [nv = true] Use non-virtual calls to do_oop_nv.
61 // [nv = false] Use virtual calls to do_oop.
62 //
63 // The InstanceClassLoaderKlass iterators also visit the CLD pointer (or mirror of anonymous klasses.)
64
65 private:
66 // Forward iteration
67 // Iterate over the oop fields and metadata.
68 template <bool nv, class OopClosureType>
69 inline void oop_oop_iterate(oop obj, OopClosureType* closure);
70
71 #if INCLUDE_ALL_GCS
72 // Reverse iteration
73 // Iterate over the oop fields and metadata.
74 template <bool nv, class OopClosureType>
75 inline void oop_oop_iterate_reverse(oop obj, OopClosureType* closure);
76 #endif
77
78 // Bounded range iteration
79 // Iterate over the oop fields and metadata.
80 template <bool nv, class OopClosureType>
81 inline void oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr);
82
83 public:
84
85 ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_OOP_ITERATE_DECL)
86 ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_OOP_ITERATE_DECL)
87
88 #if INCLUDE_ALL_GCS
89 ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_OOP_ITERATE_DECL_BACKWARDS)
90 ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_OOP_ITERATE_DECL_BACKWARDS)
91 #endif // INCLUDE_ALL_GCS
92
93 };
94
95 #endif // SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP
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31
32 class ClassFileParser;
33
34 // An InstanceClassLoaderKlass is a specialization of the InstanceKlass. It does
35 // not add any field. It is added to walk the dependencies for the class loader
36 // key that this class loader points to. This is how the loader_data graph is
37 // walked and dependant class loaders are kept alive. I thought we walked
38 // the list later?
39
40 class InstanceClassLoaderKlass: public InstanceKlass {
41 friend class VMStructs;
42 friend class InstanceKlass;
43 private:
44 InstanceClassLoaderKlass(const ClassFileParser& parser) : InstanceKlass(parser, InstanceKlass::_misc_kind_class_loader) {}
45
46 public:
47 InstanceClassLoaderKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); }
48
49 // GC specific object visitors
50 //
51 #if INCLUDE_PARALLELGC
52 // Parallel Scavenge
53 void oop_ps_push_contents( oop obj, PSPromotionManager* pm);
54 // Parallel Compact
55 void oop_pc_follow_contents(oop obj, ParCompactionManager* cm);
56 void oop_pc_update_pointers(oop obj, ParCompactionManager* cm);
57 #endif
58
59 // Oop fields (and metadata) iterators
60 // [nv = true] Use non-virtual calls to do_oop_nv.
61 // [nv = false] Use virtual calls to do_oop.
62 //
63 // The InstanceClassLoaderKlass iterators also visit the CLD pointer (or mirror of anonymous klasses.)
64
65 private:
66 // Forward iteration
67 // Iterate over the oop fields and metadata.
68 template <bool nv, class OopClosureType>
69 inline void oop_oop_iterate(oop obj, OopClosureType* closure);
70
71 #if INCLUDE_OOP_OOP_ITERATE_BACKWARDS
72 // Reverse iteration
73 // Iterate over the oop fields and metadata.
74 template <bool nv, class OopClosureType>
75 inline void oop_oop_iterate_reverse(oop obj, OopClosureType* closure);
76 #endif
77
78 // Bounded range iteration
79 // Iterate over the oop fields and metadata.
80 template <bool nv, class OopClosureType>
81 inline void oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr);
82
83 public:
84
85 ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_OOP_ITERATE_DECL)
86 ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_OOP_ITERATE_DECL)
87
88 #if INCLUDE_OOP_OOP_ITERATE_BACKWARDS
89 ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_OOP_ITERATE_DECL_BACKWARDS)
90 ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_OOP_ITERATE_DECL_BACKWARDS)
91 #endif
92
93 };
94
95 #endif // SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP
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