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src/hotspot/share/cds/heapShared.cpp

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1753     // aot-initialize classes that are "safe".
1754     //
1755     // TODO: we need an automatic tool that checks the safety of aot-initialized
1756     // classes (when we extend the set of aot-initialized classes beyond JEP 483)
1757     return;
1758   } else {
1759     // In this case, the special subgraph should contain a few specific types
1760     GrowableArray<Klass*>* klasses = _dump_time_special_subgraph->subgraph_object_klasses();
1761     int num = klasses->length();
1762     for (int i = 0; i < num; i++) {
1763       Klass* subgraph_k = klasses->at(i);
1764       Symbol* name = subgraph_k->name();
1765       if (subgraph_k->is_instance_klass() &&
1766           name != vmSymbols::java_lang_Class() &&
1767           name != vmSymbols::java_lang_String() &&
1768           name != vmSymbols::java_lang_ArithmeticException() &&
1769           name != vmSymbols::java_lang_ArrayIndexOutOfBoundsException() &&
1770           name != vmSymbols::java_lang_ArrayStoreException() &&
1771           name != vmSymbols::java_lang_ClassCastException() &&
1772           name != vmSymbols::java_lang_InternalError() &&
1773           name != vmSymbols::java_lang_NullPointerException()) {

1774         ResourceMark rm;
1775         fatal("special subgraph cannot have objects of type %s", subgraph_k->external_name());
1776       }
1777     }
1778   }
1779 }
1780 
1781 HeapShared::SeenObjectsTable* HeapShared::_seen_objects_table = nullptr;
1782 HeapShared::PendingOop HeapShared::_object_being_archived;
1783 int HeapShared::_num_new_walked_objs;
1784 int HeapShared::_num_new_archived_objs;
1785 int HeapShared::_num_old_recorded_klasses;
1786 
1787 int HeapShared::_num_total_subgraph_recordings = 0;
1788 int HeapShared::_num_total_walked_objs = 0;
1789 int HeapShared::_num_total_archived_objs = 0;
1790 int HeapShared::_num_total_recorded_klasses = 0;
1791 int HeapShared::_num_total_verifications = 0;
1792 
1793 bool HeapShared::has_been_seen_during_subgraph_recording(oop obj) {

1753     // aot-initialize classes that are "safe".
1754     //
1755     // TODO: we need an automatic tool that checks the safety of aot-initialized
1756     // classes (when we extend the set of aot-initialized classes beyond JEP 483)
1757     return;
1758   } else {
1759     // In this case, the special subgraph should contain a few specific types
1760     GrowableArray<Klass*>* klasses = _dump_time_special_subgraph->subgraph_object_klasses();
1761     int num = klasses->length();
1762     for (int i = 0; i < num; i++) {
1763       Klass* subgraph_k = klasses->at(i);
1764       Symbol* name = subgraph_k->name();
1765       if (subgraph_k->is_instance_klass() &&
1766           name != vmSymbols::java_lang_Class() &&
1767           name != vmSymbols::java_lang_String() &&
1768           name != vmSymbols::java_lang_ArithmeticException() &&
1769           name != vmSymbols::java_lang_ArrayIndexOutOfBoundsException() &&
1770           name != vmSymbols::java_lang_ArrayStoreException() &&
1771           name != vmSymbols::java_lang_ClassCastException() &&
1772           name != vmSymbols::java_lang_InternalError() &&
1773           name != vmSymbols::java_lang_NullPointerException() &&
1774           name != vmSymbols::jdk_internal_vm_PreemptedException()) {
1775         ResourceMark rm;
1776         fatal("special subgraph cannot have objects of type %s", subgraph_k->external_name());
1777       }
1778     }
1779   }
1780 }
1781 
1782 HeapShared::SeenObjectsTable* HeapShared::_seen_objects_table = nullptr;
1783 HeapShared::PendingOop HeapShared::_object_being_archived;
1784 int HeapShared::_num_new_walked_objs;
1785 int HeapShared::_num_new_archived_objs;
1786 int HeapShared::_num_old_recorded_klasses;
1787 
1788 int HeapShared::_num_total_subgraph_recordings = 0;
1789 int HeapShared::_num_total_walked_objs = 0;
1790 int HeapShared::_num_total_archived_objs = 0;
1791 int HeapShared::_num_total_recorded_klasses = 0;
1792 int HeapShared::_num_total_verifications = 0;
1793 
1794 bool HeapShared::has_been_seen_during_subgraph_recording(oop obj) {
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