src/share/vm/oops/cpCacheKlass.hpp

Wed, 25 Jan 2012 17:40:51 -0500

author
jiangli
date
Wed, 25 Jan 2012 17:40:51 -0500
changeset 3526
a79cb7c55012
parent 2708
1d1603768966
permissions
-rw-r--r--

7132690: InstanceKlass:_reference_type should be u1 type
Summary: Change InstanceKlass::_reference_type to u1 type.
Reviewed-by: dholmes, coleenp, acorn
Contributed-by: Jiangli Zhou <jiangli.zhou@oracle.com>

duke@435 1 /*
trims@2708 2 * Copyright (c) 1998, 2011, Oracle and/or its affiliates. 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 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef SHARE_VM_OOPS_CPCACHEKLASS_HPP
stefank@2314 26 #define SHARE_VM_OOPS_CPCACHEKLASS_HPP
stefank@2314 27
stefank@2314 28 #include "oops/arrayKlass.hpp"
stefank@2314 29 #include "oops/cpCacheOop.hpp"
stefank@2314 30 #include "oops/instanceKlass.hpp"
stefank@2314 31
coleenp@548 32 class constantPoolCacheKlass: public Klass {
coleenp@548 33 juint _alloc_size; // allocation profiling support
duke@435 34 public:
duke@435 35 // Dispatched klass operations
duke@435 36 bool oop_is_constantPoolCache() const { return true; }
duke@435 37 int oop_size(oop obj) const;
duke@435 38 int klass_oop_size() const { return object_size(); }
duke@435 39
duke@435 40 // Allocation
duke@435 41 DEFINE_ALLOCATE_PERMANENT(constantPoolCacheKlass);
ysr@2533 42 constantPoolCacheOop allocate(int length, TRAPS);
duke@435 43 static klassOop create_klass(TRAPS);
duke@435 44
duke@435 45 // Casting from klassOop
duke@435 46 static constantPoolCacheKlass* cast(klassOop k) {
duke@435 47 assert(k->klass_part()->oop_is_constantPoolCache(), "cast to constantPoolCacheKlass");
duke@435 48 return (constantPoolCacheKlass*)k->klass_part();
duke@435 49 }
duke@435 50
duke@435 51 // Sizing
coleenp@548 52 static int header_size() { return oopDesc::header_size() + sizeof(constantPoolCacheKlass)/HeapWordSize; }
coleenp@548 53 int object_size() const { return align_object_size(header_size()); }
duke@435 54
duke@435 55 // Garbage collection
duke@435 56 void oop_follow_contents(oop obj);
duke@435 57 int oop_adjust_pointers(oop obj);
duke@435 58
duke@435 59 // Parallel Scavenge and Parallel Old
duke@435 60 PARALLEL_GC_DECLS
duke@435 61
duke@435 62 // Iterators
duke@435 63 int oop_oop_iterate(oop obj, OopClosure* blk);
duke@435 64 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
duke@435 65
coleenp@548 66 // Allocation profiling support
coleenp@548 67 juint alloc_size() const { return _alloc_size; }
coleenp@548 68 void set_alloc_size(juint n) { _alloc_size = n; }
coleenp@548 69
duke@435 70 // Printing
jrose@1590 71 void oop_print_value_on(oop obj, outputStream* st);
duke@435 72 void oop_print_on(oop obj, outputStream* st);
duke@435 73
duke@435 74 // Verification
duke@435 75 const char* internal_name() const;
duke@435 76 void oop_verify_on(oop obj, outputStream* st);
duke@435 77 };
stefank@2314 78
stefank@2314 79 #endif // SHARE_VM_OOPS_CPCACHEKLASS_HPP

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