src/share/vm/oops/constantPoolKlass.hpp

Sat, 01 Dec 2007 00:00:00 +0000

author
duke
date
Sat, 01 Dec 2007 00:00:00 +0000
changeset 435
a61af66fc99e
child 548
ba764ed4b6f2
permissions
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duke@435 1 /*
duke@435 2 * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 // A constantPoolKlass is the klass of a constantPoolOop
duke@435 26
duke@435 27 class constantPoolKlass : public arrayKlass {
duke@435 28 public:
duke@435 29 // Dispatched klass operations
duke@435 30 bool oop_is_constantPool() const { return true; }
duke@435 31 int oop_size(oop obj) const;
duke@435 32 int klass_oop_size() const { return object_size(); }
duke@435 33
duke@435 34 // Allocation
duke@435 35 DEFINE_ALLOCATE_PERMANENT(constantPoolKlass);
duke@435 36 constantPoolOop allocate(int length, TRAPS);
duke@435 37 static klassOop create_klass(TRAPS);
duke@435 38
duke@435 39 // Casting from klassOop
duke@435 40 static constantPoolKlass* cast(klassOop k) {
duke@435 41 assert(k->klass_part()->oop_is_constantPool(), "cast to constantPoolKlass");
duke@435 42 return (constantPoolKlass*) k->klass_part();
duke@435 43 }
duke@435 44
duke@435 45 // Sizing
duke@435 46 static int header_size() { return oopDesc::header_size() + sizeof(constantPoolKlass)/HeapWordSize; }
duke@435 47 int object_size() const { return arrayKlass::object_size(header_size()); }
duke@435 48
duke@435 49 // Garbage collection
duke@435 50 void oop_follow_contents(oop obj);
duke@435 51 int oop_adjust_pointers(oop obj);
duke@435 52
duke@435 53 // Parallel Scavenge and Parallel Old
duke@435 54 PARALLEL_GC_DECLS
duke@435 55
duke@435 56 // Iterators
duke@435 57 int oop_oop_iterate(oop obj, OopClosure* blk);
duke@435 58 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
duke@435 59
duke@435 60 #ifndef PRODUCT
duke@435 61 public:
duke@435 62 // Printing
duke@435 63 void oop_print_on(oop obj, outputStream* st);
duke@435 64 #endif
duke@435 65
duke@435 66 public:
duke@435 67 // Verification
duke@435 68 const char* internal_name() const;
duke@435 69 void oop_verify_on(oop obj, outputStream* st);
duke@435 70 // tells whether obj is partially constructed (gc during class loading)
duke@435 71 bool oop_partially_loaded(oop obj) const;
duke@435 72 void oop_set_partially_loaded(oop obj);
duke@435 73 #ifndef PRODUCT
duke@435 74 // Compile the world support
duke@435 75 static void preload_and_initialize_all_classes(oop constant_pool, TRAPS);
duke@435 76 #endif
duke@435 77 };

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