--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/oops/instanceKlassKlass.hpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,86 @@
+/*
+ * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// An instanceKlassKlass is the klass of an instanceKlass
+
+class instanceKlassKlass : public klassKlass {
+ public:
+ // Dispatched operation
+ bool oop_is_klass() const { return true; }
+ bool oop_is_instanceKlass() const { return true; }
+
+ int oop_size(oop obj) const;
+ int klass_oop_size() const { return object_size(); }
+
+ // Allocation
+ DEFINE_ALLOCATE_PERMANENT(instanceKlassKlass);
+ static klassOop create_klass(TRAPS);
+ klassOop allocate_instance_klass(int vtable_len,
+ int itable_len,
+ int static_field_size,
+ int nonstatic_oop_map_size,
+ ReferenceType rt,
+ TRAPS);
+
+ // Casting from klassOop
+ static instanceKlassKlass* cast(klassOop k) {
+ assert(k->klass_part()->oop_is_klass(), "cast to instanceKlassKlass");
+ return (instanceKlassKlass*) k->klass_part();
+ }
+
+ // Sizing
+ static int header_size() { return oopDesc::header_size() + sizeof(instanceKlassKlass)/HeapWordSize; }
+ int object_size() const { return align_object_size(header_size()); }
+
+ // Garbage collection
+ void oop_follow_contents(oop obj);
+ int oop_adjust_pointers(oop obj);
+ bool oop_is_parsable(oop obj) const;
+
+ // Parallel Scavenge and Parallel Old
+ PARALLEL_GC_DECLS
+
+ // Iterators
+ int oop_oop_iterate(oop obj, OopClosure* blk);
+ int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
+
+private:
+ // Apply closure to the InstanceKlass oops that are outside the java heap.
+ inline void iterate_c_heap_oops(instanceKlass* ik, OopClosure* closure);
+
+#ifndef PRODUCT
+ public:
+ // Printing
+ void oop_print_on(oop obj, outputStream* st);
+ void oop_print_value_on(oop obj, outputStream* st);
+#endif
+
+ public:
+ // Verification
+ const char* internal_name() const;
+ void oop_verify_on(oop obj, outputStream* st);
+ // tells whether obj is partially constructed (gc during class loading)
+ bool oop_partially_loaded(oop obj) const;
+ void oop_set_partially_loaded(oop obj);
+};