9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.internal.module;
27
28 import java.io.File;
29 import java.io.PrintStream;
30 import java.lang.module.Configuration;
31 import java.lang.module.ModuleDescriptor;
32 import java.lang.module.ModuleFinder;
33 import java.lang.module.ModuleReference;
34 import java.lang.module.ResolvedModule;
35 import java.lang.reflect.Layer;
36 import java.lang.reflect.Module;
37 import java.net.URI;
38 import java.nio.file.Path;
39 import java.nio.file.Paths;
40 import java.util.ArrayList;
41 import java.util.Collections;
42 import java.util.HashMap;
43 import java.util.HashSet;
44 import java.util.List;
45 import java.util.Map;
46 import java.util.Optional;
47 import java.util.Set;
48 import java.util.function.Function;
49
50 import jdk.internal.loader.BootLoader;
51 import jdk.internal.loader.BuiltinClassLoader;
52 import jdk.internal.misc.SharedSecrets;
53 import jdk.internal.perf.PerfCounter;
54
55 /**
56 * Initializes/boots the module system.
57 *
58 * The {@link #boot() boot} method is called early in the startup to initialize
59 * the module system. In summary, the boot method creates a Configuration by
60 * resolving a set of module names specified via the launcher (or equivalent)
61 * -m and --add-modules options. The modules are located on a module path that
62 * is constructed from the upgrade module path, system modules, and application
63 * module path. The Configuration is instantiated as the boot Layer with each
64 * module in the the configuration defined to one of the built-in class loaders.
65 */
66
67 public final class ModuleBootstrap {
68 private ModuleBootstrap() { }
69
70 private static final String JAVA_BASE = "java.base";
71
72 private static final String JAVA_SE = "java.se";
73
178 break;
179 default :
180 roots.add(mod);
181 }
182 }
183
184 // --limit-modules
185 String propValue = getAndRemoveProperty("jdk.module.limitmods");
186 if (propValue != null) {
187 Set<String> mods = new HashSet<>();
188 for (String mod: propValue.split(",")) {
189 mods.add(mod);
190 }
191 finder = limitFinder(finder, mods, roots);
192 }
193
194 // If there is no initial module specified then assume that the initial
195 // module is the unnamed module of the application class loader. This
196 // is implemented by resolving "java.se" and all (non-java.*) modules
197 // that export an API. If "java.se" is not observable then all java.*
198 // modules are resolved.
199 if (mainModule == null || addAllDefaultModules) {
200 boolean hasJava = false;
201 if (systemModules.find(JAVA_SE).isPresent()) {
202 // java.se is a system module
203 if (finder == systemModules || finder.find(JAVA_SE).isPresent()) {
204 // java.se is observable
205 hasJava = true;
206 roots.add(JAVA_SE);
207 }
208 }
209
210 for (ModuleReference mref : systemModules.findAll()) {
211 String mn = mref.descriptor().name();
212 if (hasJava && mn.startsWith("java."))
213 continue;
214
215 // add as root if observable and exports at least one package
216 if ((finder == systemModules || finder.find(mn).isPresent())) {
217 ModuleDescriptor descriptor = mref.descriptor();
218 for (ModuleDescriptor.Exports e : descriptor.exports()) {
219 if (!e.isQualified()) {
220 roots.add(mn);
221 break;
222 }
223 }
224 }
225 }
226 }
227
228 // If `--add-modules ALL-SYSTEM` is specified then all observable system
229 // modules will be resolved.
230 if (addAllSystemModules) {
231 ModuleFinder f = finder; // observable modules
232 systemModules.findAll()
233 .stream()
234 .map(ModuleReference::descriptor)
235 .map(ModuleDescriptor::name)
236 .filter(mn -> f.find(mn).isPresent()) // observable
237 .forEach(mn -> roots.add(mn));
238 }
239
240 // If `--add-modules ALL-MODULE-PATH` is specified then all observable
241 // modules on the application module path will be resolved.
242 if (appModulePath != null && addAllApplicationModules) {
243 ModuleFinder f = finder; // observable modules
244 appModulePath.findAll()
245 .stream()
246 .map(ModuleReference::descriptor)
247 .map(ModuleDescriptor::name)
248 .filter(mn -> f.find(mn).isPresent()) // observable
249 .forEach(mn -> roots.add(mn));
250 }
251
252 PerfCounters.optionsAndRootsTime.addElapsedTimeFrom(t2);
253
260 && (upgradeModulePath == null)
261 && (appModulePath == null)
262 && (patcher.isEmpty())) {
263 needPostResolutionChecks = false;
264 }
265
266 PrintStream traceOutput = null;
267 if (Boolean.getBoolean("jdk.launcher.traceResolver"))
268 traceOutput = System.out;
269
270 // run the resolver to create the configuration
271 Configuration cf = SharedSecrets.getJavaLangModuleAccess()
272 .resolveRequiresAndUses(finder,
273 roots,
274 needPostResolutionChecks,
275 traceOutput);
276
277 // time to create configuration
278 PerfCounters.resolveTime.addElapsedTimeFrom(t3);
279
280
281 // mapping of modules to class loaders
282 Function<String, ClassLoader> clf = ModuleLoaderMap.mappingFunction(cf);
283
284 // check that all modules to be mapped to the boot loader will be
285 // loaded from the runtime image
286 if (needPostResolutionChecks) {
287 for (ResolvedModule resolvedModule : cf.modules()) {
288 ModuleReference mref = resolvedModule.reference();
289 String name = mref.descriptor().name();
290 ClassLoader cl = clf.apply(name);
291 if (cl == null) {
292
293 if (upgradeModulePath != null
294 && upgradeModulePath.find(name).isPresent())
295 fail(name + ": cannot be loaded from upgrade module path");
296
297 if (!systemModules.find(name).isPresent())
298 fail(name + ": cannot be loaded from application module path");
299 }
479
480 /**
481 * Process the --add-exports and --add-opens options to export/open
482 * additional packages specified on the command-line.
483 */
484 private static void addExtraExportsAndOpens(Layer bootLayer) {
485
486 // --add-exports
487 String prefix = "jdk.module.addexports.";
488 Map<String, List<String>> extraExports = decode(prefix);
489 if (!extraExports.isEmpty()) {
490 addExtraExportsOrOpens(bootLayer, extraExports, false);
491 }
492
493 // --add-opens
494 prefix = "jdk.module.addopens.";
495 Map<String, List<String>> extraOpens = decode(prefix);
496 if (!extraOpens.isEmpty()) {
497 addExtraExportsOrOpens(bootLayer, extraOpens, true);
498 }
499 }
500
501 private static void addExtraExportsOrOpens(Layer bootLayer,
502 Map<String, List<String>> map,
503 boolean opens)
504 {
505 for (Map.Entry<String, List<String>> e : map.entrySet()) {
506
507 // the key is $MODULE/$PACKAGE
508 String key = e.getKey();
509 String[] s = key.split("/");
510 if (s.length != 2)
511 fail("Unable to parse: " + key);
512
513 String mn = s[0];
514 String pn = s[1];
515 if (mn.isEmpty() || pn.isEmpty())
516 fail("Module and package name must be specified:" + key);
517
518 // The exporting module is in the boot layer
519 Module m;
520 Optional<Module> om = bootLayer.findModule(mn);
521 if (!om.isPresent()) {
522 warn("Unknown module: " + mn);
523 continue;
524 }
525
526 m = om.get();
527
528 if (!m.getDescriptor().packages().contains(pn)) {
529 warn("package " + pn + " not in " + mn);
530 continue;
531 }
532
533 // the value is the set of modules to export to (by name)
534 for (String name : e.getValue()) {
535 boolean allUnnamed = false;
536 Module other = null;
568 * --patch-modules options that are encoded in system properties.
569 *
570 * @param prefix the system property prefix
571 * @praam regex the regex for splitting the RHS of the option value
572 */
573 private static Map<String, List<String>> decode(String prefix,
574 String regex,
575 boolean allowDuplicates) {
576 int index = 0;
577 // the system property is removed after decoding
578 String value = getAndRemoveProperty(prefix + index);
579 if (value == null)
580 return Collections.emptyMap();
581
582 Map<String, List<String>> map = new HashMap<>();
583
584 while (value != null) {
585
586 int pos = value.indexOf('=');
587 if (pos == -1)
588 fail("Unable to parse: " + value);
589 if (pos == 0)
590 fail("Missing module name in: " + value);
591
592 // key is <module> or <module>/<package>
593 String key = value.substring(0, pos);
594
595 String rhs = value.substring(pos+1);
596 if (rhs.isEmpty())
597 fail("Unable to parse: " + value);
598
599 // value is <module>(,<module>)* or <file>(<pathsep><file>)*
600 if (!allowDuplicates && map.containsKey(key))
601 fail(key + " specified more than once");
602 List<String> values = map.computeIfAbsent(key, k -> new ArrayList<>());
603 for (String s : rhs.split(regex)) {
604 if (s.length() > 0) values.add(s);
605 }
606
607 index++;
608 value = getAndRemoveProperty(prefix + index);
609 }
610
611 return map;
612 }
613
614 /**
615 * Decodes the values of --add-reads, -add-exports or --add-opens
616 * which use the "," to separate the RHS of the option value.
617 */
618 private static Map<String, List<String>> decode(String prefix) {
619 return decode(prefix, ",", true);
620 }
621
622 /**
623 * Gets and remove the named system property
624 */
625 private static String getAndRemoveProperty(String key) {
626 return (String)System.getProperties().remove(key);
627 }
628
629 /**
630 * Throws a RuntimeException with the given message
631 */
632 static void fail(String m) {
633 throw new RuntimeException(m);
634 }
635
636 static void warn(String m) {
637 System.err.println("WARNING: " + m);
638 }
639
640 static class PerfCounters {
641
642 static PerfCounter systemModulesTime
643 = PerfCounter.newPerfCounter("jdk.module.bootstrap.systemModulesTime");
644 static PerfCounter defineBaseTime
645 = PerfCounter.newPerfCounter("jdk.module.bootstrap.defineBaseTime");
646 static PerfCounter optionsAndRootsTime
647 = PerfCounter.newPerfCounter("jdk.module.bootstrap.optionsAndRootsTime");
648 static PerfCounter resolveTime
649 = PerfCounter.newPerfCounter("jdk.module.bootstrap.resolveTime");
|
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.internal.module;
27
28 import java.io.File;
29 import java.io.IOException;
30 import java.io.PrintStream;
31 import java.io.UncheckedIOException;
32 import java.lang.module.Configuration;
33 import java.lang.module.ModuleDescriptor;
34 import java.lang.module.ModuleFinder;
35 import java.lang.module.ModuleReference;
36 import java.lang.module.ResolvedModule;
37 import java.lang.reflect.Layer;
38 import java.lang.reflect.Module;
39 import java.net.URI;
40 import java.nio.file.Files;
41 import java.nio.file.Path;
42 import java.nio.file.Paths;
43 import java.util.ArrayList;
44 import java.util.Collections;
45 import java.util.HashMap;
46 import java.util.HashSet;
47 import java.util.List;
48 import java.util.Map;
49 import java.util.Optional;
50 import java.util.Set;
51 import java.util.function.Function;
52 import java.util.stream.Stream;
53
54 import jdk.internal.loader.BootLoader;
55 import jdk.internal.loader.BuiltinClassLoader;
56 import jdk.internal.misc.SharedSecrets;
57 import jdk.internal.perf.PerfCounter;
58 import jdk.internal.reflect.Reflection;
59
60 /**
61 * Initializes/boots the module system.
62 *
63 * The {@link #boot() boot} method is called early in the startup to initialize
64 * the module system. In summary, the boot method creates a Configuration by
65 * resolving a set of module names specified via the launcher (or equivalent)
66 * -m and --add-modules options. The modules are located on a module path that
67 * is constructed from the upgrade module path, system modules, and application
68 * module path. The Configuration is instantiated as the boot Layer with each
69 * module in the the configuration defined to one of the built-in class loaders.
70 */
71
72 public final class ModuleBootstrap {
73 private ModuleBootstrap() { }
74
75 private static final String JAVA_BASE = "java.base";
76
77 private static final String JAVA_SE = "java.se";
78
183 break;
184 default :
185 roots.add(mod);
186 }
187 }
188
189 // --limit-modules
190 String propValue = getAndRemoveProperty("jdk.module.limitmods");
191 if (propValue != null) {
192 Set<String> mods = new HashSet<>();
193 for (String mod: propValue.split(",")) {
194 mods.add(mod);
195 }
196 finder = limitFinder(finder, mods, roots);
197 }
198
199 // If there is no initial module specified then assume that the initial
200 // module is the unnamed module of the application class loader. This
201 // is implemented by resolving "java.se" and all (non-java.*) modules
202 // that export an API. If "java.se" is not observable then all java.*
203 // modules are resolved. Modules that have the DO_NOT_RESOLVE_BY_DEFAULT
204 // bit set in their ModuleResolution attribute flags are excluded from
205 // the default set of roots.
206 if (mainModule == null || addAllDefaultModules) {
207 boolean hasJava = false;
208 if (systemModules.find(JAVA_SE).isPresent()) {
209 // java.se is a system module
210 if (finder == systemModules || finder.find(JAVA_SE).isPresent()) {
211 // java.se is observable
212 hasJava = true;
213 roots.add(JAVA_SE);
214 }
215 }
216
217 for (ModuleReference mref : systemModules.findAll()) {
218 String mn = mref.descriptor().name();
219 if (hasJava && mn.startsWith("java."))
220 continue;
221
222 if (ModuleResolution.doNotResolveByDefault(mref))
223 continue;
224
225 // add as root if observable and exports at least one package
226 if ((finder == systemModules || finder.find(mn).isPresent())) {
227 ModuleDescriptor descriptor = mref.descriptor();
228 for (ModuleDescriptor.Exports e : descriptor.exports()) {
229 if (!e.isQualified()) {
230 roots.add(mn);
231 break;
232 }
233 }
234 }
235 }
236 }
237
238 // If `--add-modules ALL-SYSTEM` is specified then all observable system
239 // modules will be resolved.
240 if (addAllSystemModules) {
241 ModuleFinder f = finder; // observable modules
242 systemModules.findAll()
243 .stream()
244 .filter(mref -> !ModuleResolution.doNotResolveByDefault(mref))
245 .map(ModuleReference::descriptor)
246 .map(ModuleDescriptor::name)
247 .filter(mn -> f.find(mn).isPresent()) // observable
248 .forEach(mn -> roots.add(mn));
249 }
250
251 // If `--add-modules ALL-MODULE-PATH` is specified then all observable
252 // modules on the application module path will be resolved.
253 if (appModulePath != null && addAllApplicationModules) {
254 ModuleFinder f = finder; // observable modules
255 appModulePath.findAll()
256 .stream()
257 .map(ModuleReference::descriptor)
258 .map(ModuleDescriptor::name)
259 .filter(mn -> f.find(mn).isPresent()) // observable
260 .forEach(mn -> roots.add(mn));
261 }
262
263 PerfCounters.optionsAndRootsTime.addElapsedTimeFrom(t2);
264
271 && (upgradeModulePath == null)
272 && (appModulePath == null)
273 && (patcher.isEmpty())) {
274 needPostResolutionChecks = false;
275 }
276
277 PrintStream traceOutput = null;
278 if (Boolean.getBoolean("jdk.launcher.traceResolver"))
279 traceOutput = System.out;
280
281 // run the resolver to create the configuration
282 Configuration cf = SharedSecrets.getJavaLangModuleAccess()
283 .resolveRequiresAndUses(finder,
284 roots,
285 needPostResolutionChecks,
286 traceOutput);
287
288 // time to create configuration
289 PerfCounters.resolveTime.addElapsedTimeFrom(t3);
290
291 // check module names and incubating status
292 checkModuleNamesAndStatus(cf);
293
294 // mapping of modules to class loaders
295 Function<String, ClassLoader> clf = ModuleLoaderMap.mappingFunction(cf);
296
297 // check that all modules to be mapped to the boot loader will be
298 // loaded from the runtime image
299 if (needPostResolutionChecks) {
300 for (ResolvedModule resolvedModule : cf.modules()) {
301 ModuleReference mref = resolvedModule.reference();
302 String name = mref.descriptor().name();
303 ClassLoader cl = clf.apply(name);
304 if (cl == null) {
305
306 if (upgradeModulePath != null
307 && upgradeModulePath.find(name).isPresent())
308 fail(name + ": cannot be loaded from upgrade module path");
309
310 if (!systemModules.find(name).isPresent())
311 fail(name + ": cannot be loaded from application module path");
312 }
492
493 /**
494 * Process the --add-exports and --add-opens options to export/open
495 * additional packages specified on the command-line.
496 */
497 private static void addExtraExportsAndOpens(Layer bootLayer) {
498
499 // --add-exports
500 String prefix = "jdk.module.addexports.";
501 Map<String, List<String>> extraExports = decode(prefix);
502 if (!extraExports.isEmpty()) {
503 addExtraExportsOrOpens(bootLayer, extraExports, false);
504 }
505
506 // --add-opens
507 prefix = "jdk.module.addopens.";
508 Map<String, List<String>> extraOpens = decode(prefix);
509 if (!extraOpens.isEmpty()) {
510 addExtraExportsOrOpens(bootLayer, extraOpens, true);
511 }
512
513 // DEBUG_ADD_OPENS is for debugging purposes only
514 String home = System.getProperty("java.home");
515 Path file = Paths.get(home, "conf", "DEBUG_ADD_OPENS");
516 if (Files.exists(file)) {
517 warn(file + " detected; may break encapsulation");
518 try (Stream<String> lines = Files.lines(file)) {
519 lines.map(line -> line.trim())
520 .filter(line -> (!line.isEmpty() && !line.startsWith("#")))
521 .forEach(line -> {
522 String[] s = line.split("/");
523 if (s.length != 2) {
524 fail("Unable to parse as <module>/<package>: " + line);
525 } else {
526 String mn = s[0];
527 String pkg = s[1];
528 openPackage(bootLayer, mn, pkg);
529 }
530 });
531 } catch (IOException ioe) {
532 throw new UncheckedIOException(ioe);
533 }
534 Reflection.enableStackTraces();
535 }
536 }
537
538 private static void openPackage(Layer bootLayer, String mn, String pkg) {
539 if (mn.equals("ALL-RESOLVED") && pkg.equals("ALL-PACKAGES")) {
540 bootLayer.modules().stream().forEach(m ->
541 m.getDescriptor().packages().forEach(pn -> openPackage(m, pn)));
542 } else {
543 bootLayer.findModule(mn)
544 .filter(m -> m.getDescriptor().packages().contains(pkg))
545 .ifPresent(m -> openPackage(m, pkg));
546 }
547 }
548
549 private static void openPackage(Module m, String pn) {
550 Modules.addOpensToAllUnnamed(m, pn);
551 warn("Opened for deep reflection: " + m.getName() + "/" + pn);
552 }
553
554
555 private static void addExtraExportsOrOpens(Layer bootLayer,
556 Map<String, List<String>> map,
557 boolean opens)
558 {
559 for (Map.Entry<String, List<String>> e : map.entrySet()) {
560
561 // the key is $MODULE/$PACKAGE
562 String key = e.getKey();
563 String[] s = key.split("/");
564 if (s.length != 2)
565 fail("Unable to parse as <module>/<package>: " + key);
566
567 String mn = s[0];
568 String pn = s[1];
569 if (mn.isEmpty() || pn.isEmpty())
570 fail("Module and package name must be specified: " + key);
571
572 // The exporting module is in the boot layer
573 Module m;
574 Optional<Module> om = bootLayer.findModule(mn);
575 if (!om.isPresent()) {
576 warn("Unknown module: " + mn);
577 continue;
578 }
579
580 m = om.get();
581
582 if (!m.getDescriptor().packages().contains(pn)) {
583 warn("package " + pn + " not in " + mn);
584 continue;
585 }
586
587 // the value is the set of modules to export to (by name)
588 for (String name : e.getValue()) {
589 boolean allUnnamed = false;
590 Module other = null;
622 * --patch-modules options that are encoded in system properties.
623 *
624 * @param prefix the system property prefix
625 * @praam regex the regex for splitting the RHS of the option value
626 */
627 private static Map<String, List<String>> decode(String prefix,
628 String regex,
629 boolean allowDuplicates) {
630 int index = 0;
631 // the system property is removed after decoding
632 String value = getAndRemoveProperty(prefix + index);
633 if (value == null)
634 return Collections.emptyMap();
635
636 Map<String, List<String>> map = new HashMap<>();
637
638 while (value != null) {
639
640 int pos = value.indexOf('=');
641 if (pos == -1)
642 fail("Unable to parse as <module>=<value>: " + value);
643 if (pos == 0)
644 fail("Missing module name in: " + value);
645
646 // key is <module> or <module>/<package>
647 String key = value.substring(0, pos);
648
649 String rhs = value.substring(pos+1);
650 if (rhs.isEmpty())
651 fail("Unable to parse as <module>=<value>: " + value);
652
653 // value is <module>(,<module>)* or <file>(<pathsep><file>)*
654 if (!allowDuplicates && map.containsKey(key))
655 fail(key + " specified more than once");
656 List<String> values = map.computeIfAbsent(key, k -> new ArrayList<>());
657 for (String s : rhs.split(regex)) {
658 if (s.length() > 0) values.add(s);
659 }
660
661 index++;
662 value = getAndRemoveProperty(prefix + index);
663 }
664
665 return map;
666 }
667
668 /**
669 * Decodes the values of --add-reads, -add-exports or --add-opens
670 * which use the "," to separate the RHS of the option value.
671 */
672 private static Map<String, List<String>> decode(String prefix) {
673 return decode(prefix, ",", true);
674 }
675
676 /**
677 * Gets and remove the named system property
678 */
679 private static String getAndRemoveProperty(String key) {
680 return (String)System.getProperties().remove(key);
681 }
682
683 /**
684 * Checks the names and resolution bit of each module in the configuration,
685 * emitting warnings if needed.
686 */
687 private static void checkModuleNamesAndStatus(Configuration cf) {
688 String incubating = null;
689 for (ResolvedModule rm : cf.modules()) {
690 ModuleReference mref = rm.reference();
691 String mn = mref.descriptor().name();
692
693 // emit warning if module name ends with a non-Java letter
694 //if (!Checks.hasLegalModuleNameLastCharacter(mn))
695 // warn("Module name \"" + mn + "\" may soon be illegal");
696
697 // emit warning if the WARN_INCUBATING module resolution bit set
698 if (ModuleResolution.hasIncubatingWarning(mref)) {
699 if (incubating == null) {
700 incubating = mn;
701 } else {
702 incubating += ", " + mn;
703 }
704 }
705 }
706 if (incubating != null)
707 warn("using incubating module(s): " + incubating);
708 }
709
710 /**
711 * Throws a RuntimeException with the given message
712 */
713 static void fail(String m) {
714 throw new RuntimeException(m);
715 }
716
717 static void warn(String m) {
718 System.err.println("WARNING: " + m);
719 }
720
721 static class PerfCounters {
722
723 static PerfCounter systemModulesTime
724 = PerfCounter.newPerfCounter("jdk.module.bootstrap.systemModulesTime");
725 static PerfCounter defineBaseTime
726 = PerfCounter.newPerfCounter("jdk.module.bootstrap.defineBaseTime");
727 static PerfCounter optionsAndRootsTime
728 = PerfCounter.newPerfCounter("jdk.module.bootstrap.optionsAndRootsTime");
729 static PerfCounter resolveTime
730 = PerfCounter.newPerfCounter("jdk.module.bootstrap.resolveTime");
|