74
75 ik->set_has_archived_enum_objs();
76
77 oop mirror = ik->java_mirror();
78 for (JavaFieldStream fs(ik); !fs.done(); fs.next()) {
79 if (fs.access_flags().is_static()) {
80 archive_static_field(level, subgraph_info, ik, mirror, fs);
81 }
82 }
83 }
84
85 void CDSEnumKlass::archive_static_field(int level, KlassSubGraphInfo* subgraph_info,
86 InstanceKlass* ik, oop mirror, JavaFieldStream& fs) {
87 ResourceMark rm;
88 fieldDescriptor& fd = fs.field_descriptor();
89 if (fd.field_type() != T_OBJECT && fd.field_type() != T_ARRAY) {
90 guarantee(false, "static field %s::%s must be T_OBJECT or T_ARRAY",
91 ik->external_name(), fd.name()->as_C_string());
92 }
93 oop oop_field = mirror->obj_field(fd.offset());
94 if (oop_field == nullptr) {
95 guarantee(false, "static field %s::%s must not be null",
96 ik->external_name(), fd.name()->as_C_string());
97 } else if (oop_field->klass() != ik && oop_field->klass() != ik->array_klass_or_null()) {
98 guarantee(false, "static field %s::%s is of the wrong type",
99 ik->external_name(), fd.name()->as_C_string());
100 }
101 bool success = HeapShared::archive_reachable_objects_from(level, subgraph_info, oop_field);
102 assert(success, "VM should have exited with unarchivable objects for _level > 1");
103 int root_index = HeapShared::append_root(oop_field);
104 log_info(aot, heap)("Archived enum obj @%d %s::%s (" INTPTR_FORMAT ")",
105 root_index, ik->external_name(), fd.name()->as_C_string(),
106 p2i((oopDesc*)oop_field));
107 SystemDictionaryShared::add_enum_klass_static_field(ik, root_index);
108 }
109
110 bool CDSEnumKlass::initialize_enum_klass(InstanceKlass* k, TRAPS) {
111 if (!HeapShared::is_archived_heap_in_use()) {
112 return false;
113 }
114
115 RunTimeClassInfo* info = RunTimeClassInfo::get_for(k);
116 assert(info != nullptr, "sanity");
117
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74
75 ik->set_has_archived_enum_objs();
76
77 oop mirror = ik->java_mirror();
78 for (JavaFieldStream fs(ik); !fs.done(); fs.next()) {
79 if (fs.access_flags().is_static()) {
80 archive_static_field(level, subgraph_info, ik, mirror, fs);
81 }
82 }
83 }
84
85 void CDSEnumKlass::archive_static_field(int level, KlassSubGraphInfo* subgraph_info,
86 InstanceKlass* ik, oop mirror, JavaFieldStream& fs) {
87 ResourceMark rm;
88 fieldDescriptor& fd = fs.field_descriptor();
89 if (fd.field_type() != T_OBJECT && fd.field_type() != T_ARRAY) {
90 guarantee(false, "static field %s::%s must be T_OBJECT or T_ARRAY",
91 ik->external_name(), fd.name()->as_C_string());
92 }
93 oop oop_field = mirror->obj_field(fd.offset());
94 // There should be no oops for ObjArrayKlass but InstanceKlass::array_klasses holds a list of ObjArrayKlass,
95 // therefore we need the super of the refined array klass.
96 Klass* oop_field_klass = oop_field->is_refined_objArray() ? oop_field->klass()->super() : oop_field->klass();
97 if (oop_field == nullptr) {
98 guarantee(false, "static field %s::%s must not be null",
99 ik->external_name(), fd.name()->as_C_string());
100 } else if (oop_field_klass != ik && oop_field_klass != ik->array_klass_or_null()) {
101 guarantee(false, "static field %s::%s is of the wrong type",
102 ik->external_name(), fd.name()->as_C_string());
103 }
104 bool success = HeapShared::archive_reachable_objects_from(level, subgraph_info, oop_field);
105 assert(success, "VM should have exited with unarchivable objects for _level > 1");
106 int root_index = HeapShared::append_root(oop_field);
107 log_info(aot, heap)("Archived enum obj @%d %s::%s (" INTPTR_FORMAT ")",
108 root_index, ik->external_name(), fd.name()->as_C_string(),
109 p2i((oopDesc*)oop_field));
110 SystemDictionaryShared::add_enum_klass_static_field(ik, root_index);
111 }
112
113 bool CDSEnumKlass::initialize_enum_klass(InstanceKlass* k, TRAPS) {
114 if (!HeapShared::is_archived_heap_in_use()) {
115 return false;
116 }
117
118 RunTimeClassInfo* info = RunTimeClassInfo::get_for(k);
119 assert(info != nullptr, "sanity");
120
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