src/share/vm/oops/constantPoolKlass.hpp

changeset 435
a61af66fc99e
child 548
ba764ed4b6f2
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/oops/constantPoolKlass.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,77 @@
     1.4 +/*
     1.5 + * Copyright 1997-2006 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +// A constantPoolKlass is the klass of a constantPoolOop
    1.29 +
    1.30 +class constantPoolKlass : public arrayKlass {
    1.31 + public:
    1.32 +  // Dispatched klass operations
    1.33 +  bool oop_is_constantPool() const  { return true; }
    1.34 +  int oop_size(oop obj) const;
    1.35 +  int klass_oop_size() const        { return object_size(); }
    1.36 +
    1.37 +  // Allocation
    1.38 +  DEFINE_ALLOCATE_PERMANENT(constantPoolKlass);
    1.39 +  constantPoolOop allocate(int length, TRAPS);
    1.40 +  static klassOop create_klass(TRAPS);
    1.41 +
    1.42 +  // Casting from klassOop
    1.43 +  static constantPoolKlass* cast(klassOop k) {
    1.44 +    assert(k->klass_part()->oop_is_constantPool(), "cast to constantPoolKlass");
    1.45 +    return (constantPoolKlass*) k->klass_part();
    1.46 +  }
    1.47 +
    1.48 +  // Sizing
    1.49 +  static int header_size()        { return oopDesc::header_size() + sizeof(constantPoolKlass)/HeapWordSize; }
    1.50 +  int object_size() const         { return arrayKlass::object_size(header_size()); }
    1.51 +
    1.52 +  // Garbage collection
    1.53 +  void oop_follow_contents(oop obj);
    1.54 +  int oop_adjust_pointers(oop obj);
    1.55 +
    1.56 +  // Parallel Scavenge and Parallel Old
    1.57 +  PARALLEL_GC_DECLS
    1.58 +
    1.59 +  // Iterators
    1.60 +  int oop_oop_iterate(oop obj, OopClosure* blk);
    1.61 +  int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
    1.62 +
    1.63 +#ifndef PRODUCT
    1.64 + public:
    1.65 +  // Printing
    1.66 +  void oop_print_on(oop obj, outputStream* st);
    1.67 +#endif
    1.68 +
    1.69 + public:
    1.70 +  // Verification
    1.71 +  const char* internal_name() const;
    1.72 +  void oop_verify_on(oop obj, outputStream* st);
    1.73 +  // tells whether obj is partially constructed (gc during class loading)
    1.74 +  bool oop_partially_loaded(oop obj) const;
    1.75 +  void oop_set_partially_loaded(oop obj);
    1.76 +#ifndef PRODUCT
    1.77 +  // Compile the world support
    1.78 +  static void preload_and_initialize_all_classes(oop constant_pool, TRAPS);
    1.79 +#endif
    1.80 +};

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