20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "cds/aotClassLocation.hpp"
26 #include "cds/cdsConfig.hpp"
27 #include "cds/cdsProtectionDomain.hpp"
28 #include "classfile/classLoader.hpp"
29 #include "classfile/classLoaderData.inline.hpp"
30 #include "classfile/classLoaderExt.hpp"
31 #include "classfile/javaClasses.hpp"
32 #include "classfile/moduleEntry.hpp"
33 #include "classfile/systemDictionaryShared.hpp"
34 #include "classfile/vmClasses.hpp"
35 #include "classfile/vmSymbols.hpp"
36 #include "memory/oopFactory.hpp"
37 #include "memory/resourceArea.hpp"
38 #include "memory/universe.hpp"
39 #include "oops/instanceKlass.hpp"
40 #include "oops/symbol.hpp"
41 #include "runtime/javaCalls.hpp"
42
43 OopHandle CDSProtectionDomain::_shared_protection_domains;
44 OopHandle CDSProtectionDomain::_shared_jar_urls;
45 OopHandle CDSProtectionDomain::_shared_jar_manifests;
46
47 // Initializes the java.lang.Package and java.security.ProtectionDomain objects associated with
48 // the given InstanceKlass.
49 // Returns the ProtectionDomain for the InstanceKlass.
50 Handle CDSProtectionDomain::init_security_info(Handle class_loader, InstanceKlass* ik, PackageEntry* pkg_entry, TRAPS) {
51 int index = ik->shared_classpath_index();
52 assert(index >= 0, "Sanity");
53 const AOTClassLocation* cl = AOTClassLocationConfig::runtime()->class_location_at(index);
54 Symbol* class_name = ik->name();
55
56 if (cl->is_modules_image()) {
57 // For shared app/platform classes originated from the run-time image:
58 // The ProtectionDomains are cached in the corresponding ModuleEntries
59 // for fast access by the VM.
279 location_string, CHECK_NH);
280 url = Handle(THREAD, result.get_oop());
281 }
282
283 Handle pd = get_protection_domain_from_classloader(class_loader, url,
284 CHECK_NH);
285 mod->set_shared_protection_domain(loader_data, pd);
286 }
287 }
288
289 Handle protection_domain(THREAD, mod->shared_protection_domain());
290 assert(protection_domain.not_null(), "sanity");
291 return protection_domain;
292 }
293
294 void CDSProtectionDomain::atomic_set_array_index(OopHandle array, int index, oop o) {
295 // Benign race condition: array.obj_at(index) may already be filled in.
296 // The important thing here is that all threads pick up the same result.
297 // It doesn't matter which racing thread wins, as long as only one
298 // result is used by all threads, and all future queries.
299 ((objArrayOop)array.resolve())->replace_if_null(index, o);
300 }
301
302 oop CDSProtectionDomain::shared_protection_domain(int index) {
303 return ((objArrayOop)_shared_protection_domains.resolve())->obj_at(index);
304 }
305
306 void CDSProtectionDomain::allocate_shared_protection_domain_array(int size, TRAPS) {
307 if (_shared_protection_domains.resolve() == nullptr) {
308 oop spd = oopFactory::new_objArray(
309 vmClasses::ProtectionDomain_klass(), size, CHECK);
310 _shared_protection_domains = OopHandle(Universe::vm_global(), spd);
311 }
312 }
313
314 oop CDSProtectionDomain::shared_jar_url(int index) {
315 return ((objArrayOop)_shared_jar_urls.resolve())->obj_at(index);
316 }
317
318 void CDSProtectionDomain::allocate_shared_jar_url_array(int size, TRAPS) {
319 if (_shared_jar_urls.resolve() == nullptr) {
|
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "cds/aotClassLocation.hpp"
26 #include "cds/cdsConfig.hpp"
27 #include "cds/cdsProtectionDomain.hpp"
28 #include "classfile/classLoader.hpp"
29 #include "classfile/classLoaderData.inline.hpp"
30 #include "classfile/classLoaderExt.hpp"
31 #include "classfile/javaClasses.hpp"
32 #include "classfile/moduleEntry.hpp"
33 #include "classfile/systemDictionaryShared.hpp"
34 #include "classfile/vmClasses.hpp"
35 #include "classfile/vmSymbols.hpp"
36 #include "memory/oopFactory.hpp"
37 #include "memory/resourceArea.hpp"
38 #include "memory/universe.hpp"
39 #include "oops/instanceKlass.hpp"
40 #include "oops/refArrayOop.hpp"
41 #include "oops/symbol.hpp"
42 #include "runtime/javaCalls.hpp"
43
44 OopHandle CDSProtectionDomain::_shared_protection_domains;
45 OopHandle CDSProtectionDomain::_shared_jar_urls;
46 OopHandle CDSProtectionDomain::_shared_jar_manifests;
47
48 // Initializes the java.lang.Package and java.security.ProtectionDomain objects associated with
49 // the given InstanceKlass.
50 // Returns the ProtectionDomain for the InstanceKlass.
51 Handle CDSProtectionDomain::init_security_info(Handle class_loader, InstanceKlass* ik, PackageEntry* pkg_entry, TRAPS) {
52 int index = ik->shared_classpath_index();
53 assert(index >= 0, "Sanity");
54 const AOTClassLocation* cl = AOTClassLocationConfig::runtime()->class_location_at(index);
55 Symbol* class_name = ik->name();
56
57 if (cl->is_modules_image()) {
58 // For shared app/platform classes originated from the run-time image:
59 // The ProtectionDomains are cached in the corresponding ModuleEntries
60 // for fast access by the VM.
280 location_string, CHECK_NH);
281 url = Handle(THREAD, result.get_oop());
282 }
283
284 Handle pd = get_protection_domain_from_classloader(class_loader, url,
285 CHECK_NH);
286 mod->set_shared_protection_domain(loader_data, pd);
287 }
288 }
289
290 Handle protection_domain(THREAD, mod->shared_protection_domain());
291 assert(protection_domain.not_null(), "sanity");
292 return protection_domain;
293 }
294
295 void CDSProtectionDomain::atomic_set_array_index(OopHandle array, int index, oop o) {
296 // Benign race condition: array.obj_at(index) may already be filled in.
297 // The important thing here is that all threads pick up the same result.
298 // It doesn't matter which racing thread wins, as long as only one
299 // result is used by all threads, and all future queries.
300 refArrayOopDesc::cast(array.resolve())->replace_if_null(index, o);
301 }
302
303 oop CDSProtectionDomain::shared_protection_domain(int index) {
304 return ((objArrayOop)_shared_protection_domains.resolve())->obj_at(index);
305 }
306
307 void CDSProtectionDomain::allocate_shared_protection_domain_array(int size, TRAPS) {
308 if (_shared_protection_domains.resolve() == nullptr) {
309 oop spd = oopFactory::new_objArray(
310 vmClasses::ProtectionDomain_klass(), size, CHECK);
311 _shared_protection_domains = OopHandle(Universe::vm_global(), spd);
312 }
313 }
314
315 oop CDSProtectionDomain::shared_jar_url(int index) {
316 return ((objArrayOop)_shared_jar_urls.resolve())->obj_at(index);
317 }
318
319 void CDSProtectionDomain::allocate_shared_jar_url_array(int size, TRAPS) {
320 if (_shared_jar_urls.resolve() == nullptr) {
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