1198 // klass in the archive.
1199 Klass *reloc_k = MetaspaceShared::get_relocated_klass(as_Klass(mirror), true);
1200 log_debug(cds, heap, mirror)(
1201 "Relocate mirror metadata field at _klass_offset from " PTR_FORMAT " ==> " PTR_FORMAT,
1202 p2i(as_Klass(mirror)), p2i(reloc_k));
1203 archived_mirror->metadata_field_put(_klass_offset, reloc_k);
1204
1205 // The field at _array_klass_offset is pointing to the original one dimension
1206 // higher array klass if exists. Relocate the pointer.
1207 Klass *arr = array_klass_acquire(mirror);
1208 if (arr != NULL) {
1209 Klass *reloc_arr = MetaspaceShared::get_relocated_klass(arr, true);
1210 log_debug(cds, heap, mirror)(
1211 "Relocate mirror metadata field at _array_klass_offset from " PTR_FORMAT " ==> " PTR_FORMAT,
1212 p2i(arr), p2i(reloc_arr));
1213 archived_mirror->metadata_field_put(_array_klass_offset, reloc_arr);
1214 }
1215 return archived_mirror;
1216 }
1217
1218 void java_lang_Class::update_archived_mirror_native_pointers(oop archived_mirror) {
1219 Klass* k = ((Klass*)archived_mirror->metadata_field(_klass_offset));
1220 if (k != NULL) { // k is NULL for the primitive classes such as java.lang.Byte::TYPE
1221 archived_mirror->metadata_field_put(_klass_offset, (Klass*)(address(k) + MetaspaceShared::mapping_delta()));
1222 }
1223
1224 Klass* ak = ((Klass*)archived_mirror->metadata_field(_array_klass_offset));
1225 if (ak != NULL) {
1226 archived_mirror->metadata_field_put(_array_klass_offset, (Klass*)(address(ak) + MetaspaceShared::mapping_delta()));
1227 }
1228 }
1229
1230
1231 // Returns true if the mirror is updated, false if no archived mirror
1232 // data is present. After the archived mirror object is restored, the
1233 // shared klass' _has_raw_archived_mirror flag is cleared.
1234 bool java_lang_Class::restore_archived_mirror(Klass *k,
1235 Handle class_loader, Handle module,
1236 Handle protection_domain, TRAPS) {
1237 // Postpone restoring archived mirror until java.lang.Class is loaded. Please
1238 // see more details in SystemDictionary::resolve_well_known_classes().
1239 if (!SystemDictionary::Class_klass_loaded()) {
1240 assert(fixup_mirror_list() != NULL, "fixup_mirror_list not initialized");
1241 fixup_mirror_list()->push(k);
1242 return true;
1243 }
1244
1245 oop m = HeapShared::materialize_archived_object(k->archived_java_mirror_raw_narrow());
1246
1247 if (m == NULL) {
1248 return false;
1249 }
1250
1251 log_debug(cds, mirror)("Archived mirror is: " PTR_FORMAT, p2i(m));
1252 update_archived_mirror_native_pointers(m);
1253
1254 // mirror is archived, restore
1255 assert(HeapShared::is_archived_object(m), "must be archived mirror object");
1256 Handle mirror(THREAD, m);
1257
1258 if (!k->is_array_klass()) {
1259 // - local static final fields with initial values were initialized at dump time
1260
1261 // create the init_lock
1262 typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK_(false));
1263 set_init_lock(mirror(), r);
1264
1265 if (protection_domain.not_null()) {
1266 set_protection_domain(mirror(), protection_domain());
1267 }
1268 }
1269
1270 assert(class_loader() == k->class_loader(), "should be same");
1271 if (class_loader.not_null()) {
1272 set_class_loader(mirror(), class_loader());
1273 }
1274
1275 k->set_java_mirror(mirror);
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1198 // klass in the archive.
1199 Klass *reloc_k = MetaspaceShared::get_relocated_klass(as_Klass(mirror), true);
1200 log_debug(cds, heap, mirror)(
1201 "Relocate mirror metadata field at _klass_offset from " PTR_FORMAT " ==> " PTR_FORMAT,
1202 p2i(as_Klass(mirror)), p2i(reloc_k));
1203 archived_mirror->metadata_field_put(_klass_offset, reloc_k);
1204
1205 // The field at _array_klass_offset is pointing to the original one dimension
1206 // higher array klass if exists. Relocate the pointer.
1207 Klass *arr = array_klass_acquire(mirror);
1208 if (arr != NULL) {
1209 Klass *reloc_arr = MetaspaceShared::get_relocated_klass(arr, true);
1210 log_debug(cds, heap, mirror)(
1211 "Relocate mirror metadata field at _array_klass_offset from " PTR_FORMAT " ==> " PTR_FORMAT,
1212 p2i(arr), p2i(reloc_arr));
1213 archived_mirror->metadata_field_put(_array_klass_offset, reloc_arr);
1214 }
1215 return archived_mirror;
1216 }
1217
1218 void java_lang_Class::update_archived_primitive_mirror_native_pointers(oop archived_mirror) {
1219 if (MetaspaceShared::mapping_delta() != 0) {
1220 assert(archived_mirror->metadata_field(_klass_offset) == NULL, "must be for primitive class");
1221
1222 Klass* ak = ((Klass*)archived_mirror->metadata_field(_array_klass_offset));
1223 if (ak != NULL) {
1224 archived_mirror->metadata_field_put(_array_klass_offset, (Klass*)(address(ak) + MetaspaceShared::mapping_delta()));
1225 }
1226 }
1227 }
1228
1229 void java_lang_Class::update_archived_mirror_native_pointers(oop archived_mirror) {
1230 if (MetaspaceShared::mapping_delta() != 0) {
1231 Klass* k = ((Klass*)archived_mirror->metadata_field(_klass_offset));
1232 archived_mirror->metadata_field_put(_klass_offset, (Klass*)(address(k) + MetaspaceShared::mapping_delta()));
1233
1234 Klass* ak = ((Klass*)archived_mirror->metadata_field(_array_klass_offset));
1235 if (ak != NULL) {
1236 archived_mirror->metadata_field_put(_array_klass_offset, (Klass*)(address(ak) + MetaspaceShared::mapping_delta()));
1237 }
1238 }
1239 }
1240
1241
1242 // Returns true if the mirror is updated, false if no archived mirror
1243 // data is present. After the archived mirror object is restored, the
1244 // shared klass' _has_raw_archived_mirror flag is cleared.
1245 bool java_lang_Class::restore_archived_mirror(Klass *k,
1246 Handle class_loader, Handle module,
1247 Handle protection_domain, TRAPS) {
1248 // Postpone restoring archived mirror until java.lang.Class is loaded. Please
1249 // see more details in SystemDictionary::resolve_well_known_classes().
1250 if (!SystemDictionary::Class_klass_loaded()) {
1251 assert(fixup_mirror_list() != NULL, "fixup_mirror_list not initialized");
1252 fixup_mirror_list()->push(k);
1253 return true;
1254 }
1255
1256 oop m = HeapShared::materialize_archived_object(k->archived_java_mirror_raw_narrow());
1257 if (m == NULL) {
1258 return false;
1259 }
1260
1261 // mirror is archived, restore
1262 log_debug(cds, mirror)("Archived mirror is: " PTR_FORMAT, p2i(m));
1263 assert(HeapShared::is_archived_object(m), "must be archived mirror object");
1264 update_archived_mirror_native_pointers(m);
1265 assert(as_Klass(m) == k, "must be");
1266 Handle mirror(THREAD, m);
1267
1268 if (!k->is_array_klass()) {
1269 // - local static final fields with initial values were initialized at dump time
1270
1271 // create the init_lock
1272 typeArrayOop r = oopFactory::new_typeArray(T_INT, 0, CHECK_(false));
1273 set_init_lock(mirror(), r);
1274
1275 if (protection_domain.not_null()) {
1276 set_protection_domain(mirror(), protection_domain());
1277 }
1278 }
1279
1280 assert(class_loader() == k->class_loader(), "should be same");
1281 if (class_loader.not_null()) {
1282 set_class_loader(mirror(), class_loader());
1283 }
1284
1285 k->set_java_mirror(mirror);
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