src/share/vm/classfile/systemDictionary.cpp
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src/share/vm/classfile/systemDictionary.cpp

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rev 29186 : Review changes 2


   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"

  26 #include "classfile/classFileParser.hpp"
  27 #include "classfile/classFileStream.hpp"
  28 #include "classfile/classLoader.hpp"
  29 #include "classfile/classLoaderData.inline.hpp"
  30 #include "classfile/classLoaderExt.hpp"
  31 #include "classfile/dictionary.hpp"
  32 #include "classfile/javaClasses.inline.hpp"
  33 #include "classfile/klassFactory.hpp"
  34 #include "classfile/loaderConstraints.hpp"
  35 #include "classfile/packageEntry.hpp"
  36 #include "classfile/placeholders.hpp"
  37 #include "classfile/resolutionErrors.hpp"
  38 #include "classfile/stringTable.hpp"
  39 #include "classfile/systemDictionary.hpp"
  40 #include "classfile/vmSymbols.hpp"
  41 #include "code/codeCache.hpp"
  42 #include "compiler/compileBroker.hpp"
  43 #include "gc/shared/gcLocker.hpp"
  44 #include "interpreter/bytecodeStream.hpp"
  45 #include "interpreter/interpreter.hpp"


  64 #include "runtime/java.hpp"
  65 #include "runtime/javaCalls.hpp"
  66 #include "runtime/mutexLocker.hpp"
  67 #include "runtime/orderAccess.inline.hpp"
  68 #include "runtime/signature.hpp"
  69 #include "services/classLoadingService.hpp"
  70 #include "services/threadService.hpp"
  71 #include "trace/traceMacros.hpp"
  72 #include "utilities/macros.hpp"
  73 #include "utilities/ticks.hpp"
  74 #if INCLUDE_CDS
  75 #include "classfile/sharedClassUtil.hpp"
  76 #include "classfile/systemDictionaryShared.hpp"
  77 #endif
  78 #if INCLUDE_JVMCI
  79 #include "jvmci/jvmciRuntime.hpp"
  80 #endif
  81 #if INCLUDE_TRACE
  82 #include "trace/tracing.hpp"
  83 #endif
  84 #include "aot/aotLoader.hpp"
  85 
  86 Dictionary*            SystemDictionary::_dictionary          = NULL;
  87 PlaceholderTable*      SystemDictionary::_placeholders        = NULL;
  88 Dictionary*            SystemDictionary::_shared_dictionary   = NULL;
  89 LoaderConstraintTable* SystemDictionary::_loader_constraints  = NULL;
  90 ResolutionErrorTable*  SystemDictionary::_resolution_errors   = NULL;
  91 SymbolPropertyTable*   SystemDictionary::_invoke_method_table = NULL;
  92 
  93 
  94 int         SystemDictionary::_number_of_modifications = 0;
  95 int         SystemDictionary::_sdgeneration               = 0;
  96 const int   SystemDictionary::_primelist[_prime_array_size] = {1009,2017,4049,5051,10103,
  97               20201,40423,99991};
  98 
  99 oop         SystemDictionary::_system_loader_lock_obj     =  NULL;
 100 
 101 InstanceKlass*      SystemDictionary::_well_known_klasses[SystemDictionary::WKID_LIMIT]
 102                                                           =  { NULL /*, NULL...*/ };
 103 
 104 InstanceKlass*      SystemDictionary::_box_klasses[T_VOID+1]      =  { NULL /*, NULL...*/ };


1410       if (SystemDictionaryShared::is_sharing_possible(loader_data)) {
1411         ResourceMark rm(THREAD);
1412         classlist_file->print_cr("%s", ik->name()->as_C_string());
1413         classlist_file->flush();
1414       }
1415     }
1416 
1417     // notify a class loaded from shared object
1418     ClassLoadingService::notify_class_loaded(ik(), true /* shared class */);
1419   }
1420 
1421   ik->set_has_passed_fingerprint_check(false);
1422   if (UseAOT && ik->supers_have_passed_fingerprint_checks()) {
1423     uint64_t aot_fp = AOTLoader::get_saved_fingerprint(ik());
1424     uint64_t cds_fp = ik->get_stored_fingerprint();
1425     if (aot_fp != 0 && aot_fp == cds_fp) {
1426       // This class matches with a class saved in an AOT library
1427       ik->set_has_passed_fingerprint_check(true);
1428     } else {
1429       ResourceMark rm;
1430       log_info(classfingerprint)("%s :  expected = " PTR64_FORMAT " actual = " PTR64_FORMAT, ik->external_name(), aot_fp, cds_fp);
1431     }
1432   }
1433   return ik;
1434 }
1435 #endif // INCLUDE_CDS
1436 
1437 instanceKlassHandle SystemDictionary::load_instance_class(Symbol* class_name, Handle class_loader, TRAPS) {
1438   instanceKlassHandle nh = instanceKlassHandle(); // null Handle
1439 
1440   if (class_loader.is_null()) {
1441     ResourceMark rm;
1442     PackageEntry* pkg_entry = NULL;
1443     bool search_only_bootloader_append = false;
1444     ClassLoaderData *loader_data = class_loader_data(class_loader);
1445 
1446     // Find the package in the boot loader's package entry table.
1447     TempNewSymbol pkg_name = InstanceKlass::package_from_name(class_name, CHECK_NULL);
1448     if (pkg_name != NULL) {
1449       pkg_entry = loader_data->packages()->lookup_only(pkg_name);
1450     }




   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "aot/aotLoader.hpp"
  27 #include "classfile/classFileParser.hpp"
  28 #include "classfile/classFileStream.hpp"
  29 #include "classfile/classLoader.hpp"
  30 #include "classfile/classLoaderData.inline.hpp"
  31 #include "classfile/classLoaderExt.hpp"
  32 #include "classfile/dictionary.hpp"
  33 #include "classfile/javaClasses.inline.hpp"
  34 #include "classfile/klassFactory.hpp"
  35 #include "classfile/loaderConstraints.hpp"
  36 #include "classfile/packageEntry.hpp"
  37 #include "classfile/placeholders.hpp"
  38 #include "classfile/resolutionErrors.hpp"
  39 #include "classfile/stringTable.hpp"
  40 #include "classfile/systemDictionary.hpp"
  41 #include "classfile/vmSymbols.hpp"
  42 #include "code/codeCache.hpp"
  43 #include "compiler/compileBroker.hpp"
  44 #include "gc/shared/gcLocker.hpp"
  45 #include "interpreter/bytecodeStream.hpp"
  46 #include "interpreter/interpreter.hpp"


  65 #include "runtime/java.hpp"
  66 #include "runtime/javaCalls.hpp"
  67 #include "runtime/mutexLocker.hpp"
  68 #include "runtime/orderAccess.inline.hpp"
  69 #include "runtime/signature.hpp"
  70 #include "services/classLoadingService.hpp"
  71 #include "services/threadService.hpp"
  72 #include "trace/traceMacros.hpp"
  73 #include "utilities/macros.hpp"
  74 #include "utilities/ticks.hpp"
  75 #if INCLUDE_CDS
  76 #include "classfile/sharedClassUtil.hpp"
  77 #include "classfile/systemDictionaryShared.hpp"
  78 #endif
  79 #if INCLUDE_JVMCI
  80 #include "jvmci/jvmciRuntime.hpp"
  81 #endif
  82 #if INCLUDE_TRACE
  83 #include "trace/tracing.hpp"
  84 #endif

  85 
  86 Dictionary*            SystemDictionary::_dictionary          = NULL;
  87 PlaceholderTable*      SystemDictionary::_placeholders        = NULL;
  88 Dictionary*            SystemDictionary::_shared_dictionary   = NULL;
  89 LoaderConstraintTable* SystemDictionary::_loader_constraints  = NULL;
  90 ResolutionErrorTable*  SystemDictionary::_resolution_errors   = NULL;
  91 SymbolPropertyTable*   SystemDictionary::_invoke_method_table = NULL;
  92 
  93 
  94 int         SystemDictionary::_number_of_modifications = 0;
  95 int         SystemDictionary::_sdgeneration               = 0;
  96 const int   SystemDictionary::_primelist[_prime_array_size] = {1009,2017,4049,5051,10103,
  97               20201,40423,99991};
  98 
  99 oop         SystemDictionary::_system_loader_lock_obj     =  NULL;
 100 
 101 InstanceKlass*      SystemDictionary::_well_known_klasses[SystemDictionary::WKID_LIMIT]
 102                                                           =  { NULL /*, NULL...*/ };
 103 
 104 InstanceKlass*      SystemDictionary::_box_klasses[T_VOID+1]      =  { NULL /*, NULL...*/ };


1410       if (SystemDictionaryShared::is_sharing_possible(loader_data)) {
1411         ResourceMark rm(THREAD);
1412         classlist_file->print_cr("%s", ik->name()->as_C_string());
1413         classlist_file->flush();
1414       }
1415     }
1416 
1417     // notify a class loaded from shared object
1418     ClassLoadingService::notify_class_loaded(ik(), true /* shared class */);
1419   }
1420 
1421   ik->set_has_passed_fingerprint_check(false);
1422   if (UseAOT && ik->supers_have_passed_fingerprint_checks()) {
1423     uint64_t aot_fp = AOTLoader::get_saved_fingerprint(ik());
1424     uint64_t cds_fp = ik->get_stored_fingerprint();
1425     if (aot_fp != 0 && aot_fp == cds_fp) {
1426       // This class matches with a class saved in an AOT library
1427       ik->set_has_passed_fingerprint_check(true);
1428     } else {
1429       ResourceMark rm;
1430       log_info(class, fingerprint)("%s :  expected = " PTR64_FORMAT " actual = " PTR64_FORMAT, ik->external_name(), aot_fp, cds_fp);
1431     }
1432   }
1433   return ik;
1434 }
1435 #endif // INCLUDE_CDS
1436 
1437 instanceKlassHandle SystemDictionary::load_instance_class(Symbol* class_name, Handle class_loader, TRAPS) {
1438   instanceKlassHandle nh = instanceKlassHandle(); // null Handle
1439 
1440   if (class_loader.is_null()) {
1441     ResourceMark rm;
1442     PackageEntry* pkg_entry = NULL;
1443     bool search_only_bootloader_append = false;
1444     ClassLoaderData *loader_data = class_loader_data(class_loader);
1445 
1446     // Find the package in the boot loader's package entry table.
1447     TempNewSymbol pkg_name = InstanceKlass::package_from_name(class_name, CHECK_NULL);
1448     if (pkg_name != NULL) {
1449       pkg_entry = loader_data->packages()->lookup_only(pkg_name);
1450     }


src/share/vm/classfile/systemDictionary.cpp
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