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comparison src/share/vm/oops/compiledICHolderKlass.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright 1998-2006 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 class CMSIsAliveClosure;
26
27 // a compiledICHolderKlass is the klass of a compiledICHolderOop
28
29 class compiledICHolderKlass : public Klass {
30 friend class VMStructs;
31 private:
32 juint _alloc_size; // allocation profiling support
33 public:
34 // Testing
35 bool oop_is_compiledICHolder() const { return true; }
36
37 // Allocation
38 DEFINE_ALLOCATE_PERMANENT(compiledICHolderKlass);
39 compiledICHolderOop allocate(TRAPS);
40 static klassOop create_klass(TRAPS);
41
42 // Sizing
43 int oop_size(oop obj) const;
44 int klass_oop_size() const { return object_size(); }
45
46 // Casting from klassOop
47 static compiledICHolderKlass* cast(klassOop k) {
48 assert(k->klass_part()->oop_is_compiledICHolder(), "cast to compiledICHolderKlass");
49 return (compiledICHolderKlass*) k->klass_part();
50 }
51
52 // Sizing
53 static int header_size() { return oopDesc::header_size() + sizeof(compiledICHolderKlass)/HeapWordSize; }
54 int object_size() const { return align_object_size(header_size()); }
55
56 // Garbage collection
57 void oop_follow_contents(oop obj);
58 int oop_adjust_pointers(oop obj);
59
60 // Parallel Scavenge and Parallel Old
61 PARALLEL_GC_DECLS
62
63 // Allocation profiling support
64 juint alloc_size() const { return _alloc_size; }
65 void set_alloc_size(juint n) { _alloc_size = n; }
66
67 // Iterators
68 int oop_oop_iterate(oop obj, OopClosure* blk);
69 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
70
71 #ifndef PRODUCT
72 public:
73 // Printing
74 void oop_print_on (oop obj, outputStream* st);
75 void oop_print_value_on(oop obj, outputStream* st);
76 #endif
77
78 public:
79 // Verification
80 const char* internal_name() const;
81 void oop_verify_on(oop obj, outputStream* st);
82
83 };