duke@435: /*
xdono@1014:  * Copyright 2003-2009 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: // A constMethodKlass is the klass of a constMethodOop
duke@435: 
duke@435: class constMethodKlass : public Klass {
duke@435:   friend class VMStructs;
duke@435: private:
duke@435:   juint    _alloc_size;        // allocation profiling support
duke@435: public:
duke@435:   // Testing
duke@435:   bool oop_is_constMethod() const { return true; }
duke@435:   virtual bool oop_is_parsable(oop obj) const;
jmasa@953:   virtual bool oop_is_conc_safe(oop obj) const;
jmasa@953: 
duke@435: 
duke@435:   // Allocation
duke@435:   DEFINE_ALLOCATE_PERMANENT(constMethodKlass);
duke@435:   constMethodOop allocate(int byte_code_size, int compressed_line_number_size,
duke@435:                           int localvariable_table_length,
jmasa@953:                           int checked_exceptions_length,
jmasa@953:                           bool is_conc_safe,
jmasa@953:                           TRAPS);
duke@435:   static klassOop create_klass(TRAPS);
duke@435: 
duke@435:   // Sizing
duke@435:   int oop_size(oop obj) const;
duke@435:   int klass_oop_size() const     { return object_size(); }
duke@435: 
duke@435:   // Casting from klassOop
duke@435:   static constMethodKlass* cast(klassOop k) {
duke@435:     assert(k->klass_part()->oop_is_constMethod(), "cast to constMethodKlass");
duke@435:     return (constMethodKlass*) k->klass_part();
duke@435:   }
duke@435: 
duke@435:   // Sizing
duke@435:   static int header_size() {
duke@435:     return oopDesc::header_size() + sizeof(constMethodKlass)/HeapWordSize;
duke@435:   }
duke@435:   int object_size() const {
duke@435:     return align_object_size(header_size());
duke@435:   }
duke@435: 
duke@435:   // Garbage collection
duke@435:   void oop_follow_contents(oop obj);
duke@435:   int  oop_adjust_pointers(oop obj);
duke@435: 
duke@435:   // Parallel Scavenge and Parallel Old
duke@435:   PARALLEL_GC_DECLS
duke@435: 
duke@435:   // Allocation profiling support
duke@435:   juint alloc_size() const              { return _alloc_size; }
duke@435:   void set_alloc_size(juint n)          { _alloc_size = n; }
duke@435: 
duke@435:   // Iterators
duke@435:   int oop_oop_iterate(oop obj, OopClosure* blk);
duke@435:   int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
duke@435: 
duke@435: #ifndef PRODUCT
duke@435:  public:
duke@435:   // Printing
duke@435:   void oop_print_on      (oop obj, outputStream* st);
duke@435:   void oop_print_value_on(oop obj, outputStream* st);
duke@435: 
duke@435: #endif
duke@435: 
duke@435:  public:
duke@435:   // Verify operations
duke@435:   const char* internal_name() const;
duke@435:   void oop_verify_on(oop obj, outputStream* st);
duke@435:   bool oop_partially_loaded(oop obj) const;
duke@435:   void oop_set_partially_loaded(oop obj);
duke@435: };