189 if (!pkg_list->append_if_missing(pkg_symbol)) {
190 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
191 err_msg("Duplicate package name: %s for module java.base",
192 package_name));
193 }
194 }
195
196 // Validate java_base's loader is the boot loader.
197 oop loader = java_lang_reflect_Module::loader(module_handle());
198 if (loader != NULL) {
199 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
200 "Class loader must be the boot class loader");
201 }
202 Handle h_loader = Handle(THREAD, loader);
203
204 // Ensure the boot loader's PackageEntryTable has been created
205 PackageEntryTable* package_table = get_package_entry_table(h_loader, CHECK);
206 assert(pkg_list->length() == 0 || package_table != NULL, "Bad package_table");
207
208 // Ensure java.base's ModuleEntry has been created
209 assert(ModuleEntryTable::javabase_module() != NULL, "No ModuleEntry for java.base");
210
211 bool duplicate_javabase = false;
212 {
213 MutexLocker m1(Module_lock, THREAD);
214
215 if (ModuleEntryTable::javabase_defined()) {
216 duplicate_javabase = true;
217 } else {
218
219 // Verify that all java.base packages created during bootstrapping are in
220 // pkg_list. If any are not in pkg_list, than a non-java.base class was
221 // loaded erroneously pre java.base module definition.
222 package_table->verify_javabase_packages(pkg_list);
223
224 // loop through and add any new packages for java.base
225 PackageEntry* pkg;
226 for (int x = 0; x < pkg_list->length(); x++) {
227 // Some of java.base's packages were added early in bootstrapping, ignore duplicates.
228 if (package_table->lookup_only(pkg_list->at(x)) == NULL) {
229 pkg = package_table->locked_create_entry_or_null(pkg_list->at(x), ModuleEntryTable::javabase_module());
230 assert(pkg != NULL, "Unable to create a java.base package entry");
231 }
232 // Unable to have a GrowableArray of TempNewSymbol. Must decrement the refcount of
233 // the Symbol* that was created above for each package. The refcount was incremented
234 // by SymbolTable::new_symbol and as well by the PackageEntry creation.
235 pkg_list->at(x)->decrement_refcount();
236 }
237
238 // Finish defining java.base's ModuleEntry
239 ModuleEntryTable::finalize_javabase(module_handle, version_symbol, location_symbol);
240 }
241 }
242 if (duplicate_javabase) {
243 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
244 "Module java.base is already defined");
245 }
246
247 log_debug(modules)("define_javabase_module(): Definition of module: java.base,"
248 " version: %s, location: %s, package #: %d",
249 module_version != NULL ? module_version : "NULL",
250 module_location != NULL ? module_location : "NULL",
251 pkg_list->length());
252
253 // packages defined to java.base
254 for (int x = 0; x < pkg_list->length(); x++) {
255 log_trace(modules)("define_javabase_module(): creation of package %s for module java.base",
256 (pkg_list->at(x))->as_C_string());
257 }
258
259 // Patch any previously loaded classes' module field with java.base's jlr.Module.
260 ModuleEntryTable::patch_javabase_entries(module_handle);
261 }
262
263 void Modules::define_module(jobject module, jstring version,
264 jstring location, jobjectArray packages, TRAPS) {
265 ResourceMark rm(THREAD);
266
267 if (module == NULL) {
268 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "Null module object");
269 }
270 Handle module_handle(THREAD, JNIHandles::resolve(module));
271 if (!java_lang_reflect_Module::is_instance(module_handle())) {
272 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
273 "module is not an instance of type java.lang.reflect.Module");
274 }
275
276 char* module_name = get_module_name(module_handle(), CHECK);
277 if (module_name == NULL) {
278 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
279 "Module name cannot be null");
280 }
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189 if (!pkg_list->append_if_missing(pkg_symbol)) {
190 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
191 err_msg("Duplicate package name: %s for module java.base",
192 package_name));
193 }
194 }
195
196 // Validate java_base's loader is the boot loader.
197 oop loader = java_lang_reflect_Module::loader(module_handle());
198 if (loader != NULL) {
199 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
200 "Class loader must be the boot class loader");
201 }
202 Handle h_loader = Handle(THREAD, loader);
203
204 // Ensure the boot loader's PackageEntryTable has been created
205 PackageEntryTable* package_table = get_package_entry_table(h_loader, CHECK);
206 assert(pkg_list->length() == 0 || package_table != NULL, "Bad package_table");
207
208 // Ensure java.base's ModuleEntry has been created
209 assert(ModuleEntryTable::javabase_moduleEntry() != NULL, "No ModuleEntry for java.base");
210
211 bool duplicate_javabase = false;
212 {
213 MutexLocker m1(Module_lock, THREAD);
214
215 if (ModuleEntryTable::javabase_defined()) {
216 duplicate_javabase = true;
217 } else {
218
219 // Verify that all java.base packages created during bootstrapping are in
220 // pkg_list. If any are not in pkg_list, than a non-java.base class was
221 // loaded erroneously pre java.base module definition.
222 package_table->verify_javabase_packages(pkg_list);
223
224 // loop through and add any new packages for java.base
225 PackageEntry* pkg;
226 for (int x = 0; x < pkg_list->length(); x++) {
227 // Some of java.base's packages were added early in bootstrapping, ignore duplicates.
228 if (package_table->lookup_only(pkg_list->at(x)) == NULL) {
229 pkg = package_table->locked_create_entry_or_null(pkg_list->at(x), ModuleEntryTable::javabase_moduleEntry());
230 assert(pkg != NULL, "Unable to create a java.base package entry");
231 }
232 // Unable to have a GrowableArray of TempNewSymbol. Must decrement the refcount of
233 // the Symbol* that was created above for each package. The refcount was incremented
234 // by SymbolTable::new_symbol and as well by the PackageEntry creation.
235 pkg_list->at(x)->decrement_refcount();
236 }
237
238 // Finish defining java.base's ModuleEntry
239 ModuleEntryTable::finalize_javabase(module_handle, version_symbol, location_symbol);
240 }
241 }
242 if (duplicate_javabase) {
243 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
244 "Module java.base is already defined");
245 }
246
247 log_debug(modules)("define_javabase_module(): Definition of module: java.base,"
248 " version: %s, location: %s, package #: %d",
249 module_version != NULL ? module_version : "NULL",
250 module_location != NULL ? module_location : "NULL",
251 pkg_list->length());
252
253 // packages defined to java.base
254 for (int x = 0; x < pkg_list->length(); x++) {
255 log_trace(modules)("define_javabase_module(): creation of package %s for module java.base",
256 (pkg_list->at(x))->as_C_string());
257 }
258 }
259
260 void Modules::define_module(jobject module, jstring version,
261 jstring location, jobjectArray packages, TRAPS) {
262 ResourceMark rm(THREAD);
263
264 if (module == NULL) {
265 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "Null module object");
266 }
267 Handle module_handle(THREAD, JNIHandles::resolve(module));
268 if (!java_lang_reflect_Module::is_instance(module_handle())) {
269 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
270 "module is not an instance of type java.lang.reflect.Module");
271 }
272
273 char* module_name = get_module_name(module_handle(), CHECK);
274 if (module_name == NULL) {
275 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
276 "Module name cannot be null");
277 }
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