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src/hotspot/share/oops/klassVtable.cpp

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1213                        method_holder->class_in_module_of_loader(false, true));
1214             THROW_MSG(vmSymbols::java_lang_LinkageError(), ss.as_string());
1215           }
1216         }
1217       }
1218     }
1219     ime++;
1220   }
1221 }
1222 
1223 void klassItable::initialize_itable_and_check_constraints(TRAPS) {
1224   // Save a super interface from each itable entry to do constraint checking
1225   ResourceMark rm(THREAD);
1226   GrowableArray<Method*>* supers =
1227     new GrowableArray<Method*>(_size_method_table, _size_method_table, nullptr);
1228   initialize_itable(supers);
1229   check_constraints(supers, CHECK);
1230 }
1231 
1232 inline bool interface_method_needs_itable_index(Method* m) {
1233   if (m->is_static())             return false; // e.g., Stream.empty
1234   if (m->is_object_initializer()) return false; // <init>
1235   if (m->is_static_initializer()) return false; // <clinit>
1236   if (m->is_private())            return false; // uses direct call
1237   // If an interface redeclares a method from java.lang.Object,
1238   // it should already have a vtable index, don't touch it.
1239   // e.g., CharSequence.toString (from initialize_vtable)
1240   // if (m->has_vtable_index())  return false; // NO!
1241   return true;
1242 }
1243 
1244 int klassItable::assign_itable_indices_for_interface(InstanceKlass* klass) {
1245   // an interface does not have an itable, but its methods need to be numbered
1246   if (log_develop_is_enabled(Trace, itables)) {
1247     ResourceMark rm;
1248     log_develop_debug(itables)("%3d: Initializing itable indices for interface %s",
1249                                ++initialize_count, klass->name()->as_C_string());
1250   }
1251 
1252   Array<Method*>* methods = klass->methods();
1253   int nof_methods = methods->length();
1254   int ime_num = 0;
1255   for (int i = 0; i < nof_methods; i++) {
1256     Method* m = methods->at(i);

1213                        method_holder->class_in_module_of_loader(false, true));
1214             THROW_MSG(vmSymbols::java_lang_LinkageError(), ss.as_string());
1215           }
1216         }
1217       }
1218     }
1219     ime++;
1220   }
1221 }
1222 
1223 void klassItable::initialize_itable_and_check_constraints(TRAPS) {
1224   // Save a super interface from each itable entry to do constraint checking
1225   ResourceMark rm(THREAD);
1226   GrowableArray<Method*>* supers =
1227     new GrowableArray<Method*>(_size_method_table, _size_method_table, nullptr);
1228   initialize_itable(supers);
1229   check_constraints(supers, CHECK);
1230 }
1231 
1232 inline bool interface_method_needs_itable_index(Method* m) {
1233   if (m->is_static())             return false;   // e.g., Stream.empty
1234   if (m->is_private())            return false;   // uses direct call
1235   if (m->is_object_constructor()) return false;   // <init>(...)V
1236   if (m->is_class_initializer())  return false;   // <clinit>()V
1237   // If an interface redeclares a method from java.lang.Object,
1238   // it should already have a vtable index, don't touch it.
1239   // e.g., CharSequence.toString (from initialize_vtable)
1240   // if (m->has_vtable_index())  return false; // NO!
1241   return true;
1242 }
1243 
1244 int klassItable::assign_itable_indices_for_interface(InstanceKlass* klass) {
1245   // an interface does not have an itable, but its methods need to be numbered
1246   if (log_develop_is_enabled(Trace, itables)) {
1247     ResourceMark rm;
1248     log_develop_debug(itables)("%3d: Initializing itable indices for interface %s",
1249                                ++initialize_count, klass->name()->as_C_string());
1250   }
1251 
1252   Array<Method*>* methods = klass->methods();
1253   int nof_methods = methods->length();
1254   int ime_num = 0;
1255   for (int i = 0; i < nof_methods; i++) {
1256     Method* m = methods->at(i);
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