75
76 ik->set_has_archived_enum_objs();
77
78 oop mirror = ik->java_mirror();
79 for (JavaFieldStream fs(ik); !fs.done(); fs.next()) {
80 if (fs.access_flags().is_static()) {
81 archive_static_field(level, subgraph_info, ik, mirror, fs);
82 }
83 }
84 }
85
86 void CDSEnumKlass::archive_static_field(int level, KlassSubGraphInfo* subgraph_info,
87 InstanceKlass* ik, oop mirror, JavaFieldStream& fs) {
88 ResourceMark rm;
89 fieldDescriptor& fd = fs.field_descriptor();
90 if (fd.field_type() != T_OBJECT && fd.field_type() != T_ARRAY) {
91 guarantee(false, "static field %s::%s must be T_OBJECT or T_ARRAY",
92 ik->external_name(), fd.name()->as_C_string());
93 }
94 oop oop_field = mirror->obj_field(fd.offset());
95 if (oop_field == nullptr) {
96 guarantee(false, "static field %s::%s must not be null",
97 ik->external_name(), fd.name()->as_C_string());
98 } else if (oop_field->klass() != ik && oop_field->klass() != ik->array_klass_or_null()) {
99 guarantee(false, "static field %s::%s is of the wrong type",
100 ik->external_name(), fd.name()->as_C_string());
101 }
102 bool success = HeapShared::archive_reachable_objects_from(level, subgraph_info, oop_field);
103 assert(success, "VM should have exited with unarchivable objects for _level > 1");
104 int root_index = HeapShared::append_root(oop_field);
105 log_info(aot, heap)("Archived enum obj @%d %s::%s (" INTPTR_FORMAT ")",
106 root_index, ik->external_name(), fd.name()->as_C_string(),
107 p2i((oopDesc*)oop_field));
108 SystemDictionaryShared::add_enum_klass_static_field(ik, root_index);
109 }
110
111 bool CDSEnumKlass::initialize_enum_klass(InstanceKlass* k, TRAPS) {
112 if (!ArchiveHeapLoader::is_in_use()) {
113 return false;
114 }
115
116 RunTimeClassInfo* info = RunTimeClassInfo::get_for(k);
117 assert(info != nullptr, "sanity");
118
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75
76 ik->set_has_archived_enum_objs();
77
78 oop mirror = ik->java_mirror();
79 for (JavaFieldStream fs(ik); !fs.done(); fs.next()) {
80 if (fs.access_flags().is_static()) {
81 archive_static_field(level, subgraph_info, ik, mirror, fs);
82 }
83 }
84 }
85
86 void CDSEnumKlass::archive_static_field(int level, KlassSubGraphInfo* subgraph_info,
87 InstanceKlass* ik, oop mirror, JavaFieldStream& fs) {
88 ResourceMark rm;
89 fieldDescriptor& fd = fs.field_descriptor();
90 if (fd.field_type() != T_OBJECT && fd.field_type() != T_ARRAY) {
91 guarantee(false, "static field %s::%s must be T_OBJECT or T_ARRAY",
92 ik->external_name(), fd.name()->as_C_string());
93 }
94 oop oop_field = mirror->obj_field(fd.offset());
95 // There should be no oops for ObjArrayKlass but InstanceKlass::array_klasses holds a list of ObjArrayKlass,
96 // therefore we need the super of the refined array klass.
97 Klass* oop_field_klass = oop_field->is_refined_objArray() ? oop_field->klass()->super() : oop_field->klass();
98 if (oop_field == nullptr) {
99 guarantee(false, "static field %s::%s must not be null",
100 ik->external_name(), fd.name()->as_C_string());
101 } else if (oop_field_klass != ik && oop_field_klass != ik->array_klass_or_null()) {
102 guarantee(false, "static field %s::%s is of the wrong type",
103 ik->external_name(), fd.name()->as_C_string());
104 }
105 bool success = HeapShared::archive_reachable_objects_from(level, subgraph_info, oop_field);
106 assert(success, "VM should have exited with unarchivable objects for _level > 1");
107 int root_index = HeapShared::append_root(oop_field);
108 log_info(aot, heap)("Archived enum obj @%d %s::%s (" INTPTR_FORMAT ")",
109 root_index, ik->external_name(), fd.name()->as_C_string(),
110 p2i((oopDesc*)oop_field));
111 SystemDictionaryShared::add_enum_klass_static_field(ik, root_index);
112 }
113
114 bool CDSEnumKlass::initialize_enum_klass(InstanceKlass* k, TRAPS) {
115 if (!ArchiveHeapLoader::is_in_use()) {
116 return false;
117 }
118
119 RunTimeClassInfo* info = RunTimeClassInfo::get_for(k);
120 assert(info != nullptr, "sanity");
121
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