1065 // Statically allocate fixup lists because they always get created.
1066 void java_lang_Class::allocate_fixup_lists() {
1067 if (!CDSConfig::is_using_aot_linked_classes()) {
1068 // fixup_mirror_list() is not used when we have preloaded classes. See
1069 // Universe::fixup_mirrors().
1070 GrowableArray<Klass*>* mirror_list =
1071 new (mtClass) GrowableArray<Klass*>(40, mtClass);
1072 set_fixup_mirror_list(mirror_list);
1073
1074 // With AOT-linked classes, java.base module is defined before any class
1075 // is loaded, so there's no need for fixup_module_field_list().
1076 GrowableArray<Klass*>* module_list =
1077 new (mtModule) GrowableArray<Klass*>(500, mtModule);
1078 set_fixup_module_field_list(module_list);
1079 }
1080 }
1081
1082 void java_lang_Class::allocate_mirror(Klass* k, bool is_scratch, Handle protection_domain, Handle classData,
1083 Handle& mirror, Handle& comp_mirror, TRAPS) {
1084 // Allocate mirror (java.lang.Class instance)
1085 oop mirror_oop = InstanceMirrorKlass::cast(vmClasses::Class_klass())->allocate_instance(k, CHECK);
1086 mirror = Handle(THREAD, mirror_oop);
1087
1088 // Setup indirection from mirror->klass
1089 set_klass(mirror(), k);
1090
1091 // Set the modifiers flag.
1092 u2 computed_modifiers = k->compute_modifier_flags();
1093 set_modifiers(mirror(), computed_modifiers);
1094 // Set the raw access_flags, this is used by reflection instead of modifier flags.
1095 // The Java code for array classes gets the access flags from the element type.
1096 assert(!k->is_array_klass() || k->access_flags().as_unsigned_short() == 0, "access flags are not set for arrays");
1097 set_raw_access_flags(mirror(), k->access_flags().as_unsigned_short());
1098
1099 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass());
1100 assert(oop_size(mirror()) == mk->instance_size(k), "should have been set");
1101
1102 set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror()));
1103
1104 // It might also have a component mirror. This mirror must already exist.
1105 if (k->is_array_klass()) {
1362 }
1363 return o;
1364 }
1365
1366 oop java_lang_Class::source_file(oop java_class) {
1367 assert(_source_file_offset != 0, "must be set");
1368 return java_class->obj_field(_source_file_offset);
1369 }
1370
1371 void java_lang_Class::set_source_file(oop java_class, oop source_file) {
1372 assert(_source_file_offset != 0, "must be set");
1373 java_class->obj_field_put(_source_file_offset, source_file);
1374 }
1375
1376 void java_lang_Class::set_is_primitive(oop java_class) {
1377 assert(_is_primitive_offset != 0, "must be set");
1378 java_class->bool_field_put(_is_primitive_offset, true);
1379 }
1380
1381
1382 oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) {
1383 // Mirrors for basic types have a null klass field, which makes them special.
1384 oop java_class = InstanceMirrorKlass::cast(vmClasses::Class_klass())->allocate_instance(nullptr, CHECK_NULL);
1385 if (type != T_VOID) {
1386 Klass* aklass = Universe::typeArrayKlass(type);
1387 assert(aklass != nullptr, "correct bootstrap");
1388 release_set_array_klass(java_class, aklass);
1389 }
1390 #ifdef ASSERT
1391 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(vmClasses::Class_klass());
1392 assert(static_oop_field_count(java_class) == 0, "should have been zeroed by allocation");
1393 #endif
1394 set_modifiers(java_class, JVM_ACC_ABSTRACT | JVM_ACC_FINAL | JVM_ACC_PUBLIC);
1395 set_raw_access_flags(java_class, JVM_ACC_ABSTRACT | JVM_ACC_FINAL | JVM_ACC_PUBLIC);
1396
1397 set_is_primitive(java_class);
1398 return java_class;
1399 }
1400
1401 void java_lang_Class::set_klass(oop java_class, Klass* klass) {
1402 assert(is_instance(java_class), "must be a Class object");
1403 java_class->metadata_field_put(_klass_offset, klass);
1404 }
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1065 // Statically allocate fixup lists because they always get created.
1066 void java_lang_Class::allocate_fixup_lists() {
1067 if (!CDSConfig::is_using_aot_linked_classes()) {
1068 // fixup_mirror_list() is not used when we have preloaded classes. See
1069 // Universe::fixup_mirrors().
1070 GrowableArray<Klass*>* mirror_list =
1071 new (mtClass) GrowableArray<Klass*>(40, mtClass);
1072 set_fixup_mirror_list(mirror_list);
1073
1074 // With AOT-linked classes, java.base module is defined before any class
1075 // is loaded, so there's no need for fixup_module_field_list().
1076 GrowableArray<Klass*>* module_list =
1077 new (mtModule) GrowableArray<Klass*>(500, mtModule);
1078 set_fixup_module_field_list(module_list);
1079 }
1080 }
1081
1082 void java_lang_Class::allocate_mirror(Klass* k, bool is_scratch, Handle protection_domain, Handle classData,
1083 Handle& mirror, Handle& comp_mirror, TRAPS) {
1084 // Allocate mirror (java.lang.Class instance)
1085 oop mirror_oop = InstanceMirrorKlass::cast(vmClasses::Class_klass())->allocate_instance(k, is_scratch, CHECK);
1086 mirror = Handle(THREAD, mirror_oop);
1087
1088 // Setup indirection from mirror->klass
1089 set_klass(mirror(), k);
1090
1091 // Set the modifiers flag.
1092 u2 computed_modifiers = k->compute_modifier_flags();
1093 set_modifiers(mirror(), computed_modifiers);
1094 // Set the raw access_flags, this is used by reflection instead of modifier flags.
1095 // The Java code for array classes gets the access flags from the element type.
1096 assert(!k->is_array_klass() || k->access_flags().as_unsigned_short() == 0, "access flags are not set for arrays");
1097 set_raw_access_flags(mirror(), k->access_flags().as_unsigned_short());
1098
1099 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(mirror->klass());
1100 assert(oop_size(mirror()) == mk->instance_size(k), "should have been set");
1101
1102 set_static_oop_field_count(mirror(), mk->compute_static_oop_field_count(mirror()));
1103
1104 // It might also have a component mirror. This mirror must already exist.
1105 if (k->is_array_klass()) {
1362 }
1363 return o;
1364 }
1365
1366 oop java_lang_Class::source_file(oop java_class) {
1367 assert(_source_file_offset != 0, "must be set");
1368 return java_class->obj_field(_source_file_offset);
1369 }
1370
1371 void java_lang_Class::set_source_file(oop java_class, oop source_file) {
1372 assert(_source_file_offset != 0, "must be set");
1373 java_class->obj_field_put(_source_file_offset, source_file);
1374 }
1375
1376 void java_lang_Class::set_is_primitive(oop java_class) {
1377 assert(_is_primitive_offset != 0, "must be set");
1378 java_class->bool_field_put(_is_primitive_offset, true);
1379 }
1380
1381
1382 oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, bool is_scratch, TRAPS) {
1383 // Mirrors for basic types have a null klass field, which makes them special.
1384 oop java_class = InstanceMirrorKlass::cast(vmClasses::Class_klass())->allocate_instance(nullptr, is_scratch, CHECK_NULL);
1385 if (type != T_VOID) {
1386 Klass* aklass = Universe::typeArrayKlass(type);
1387 assert(aklass != nullptr, "correct bootstrap");
1388 release_set_array_klass(java_class, aklass);
1389 }
1390 #ifdef ASSERT
1391 InstanceMirrorKlass* mk = InstanceMirrorKlass::cast(vmClasses::Class_klass());
1392 assert(static_oop_field_count(java_class) == 0, "should have been zeroed by allocation");
1393 #endif
1394 set_modifiers(java_class, JVM_ACC_ABSTRACT | JVM_ACC_FINAL | JVM_ACC_PUBLIC);
1395 set_raw_access_flags(java_class, JVM_ACC_ABSTRACT | JVM_ACC_FINAL | JVM_ACC_PUBLIC);
1396
1397 set_is_primitive(java_class);
1398 return java_class;
1399 }
1400
1401 void java_lang_Class::set_klass(oop java_class, Klass* klass) {
1402 assert(is_instance(java_class), "must be a Class object");
1403 java_class->metadata_field_put(_klass_offset, klass);
1404 }
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