Mon, 25 Jun 2012 21:33:35 -0400
7178670: runtime/7158800/BadUtf8.java fails in SymbolTable::rehash_table
Summary: Cannot delete _buckets and HashtableEntries in shared space (CDS)
Reviewed-by: acorn, kvn, dlong, dcubed, kamg
1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. 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
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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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
25 #ifndef SHARE_VM_OOPS_OBJARRAYKLASSKLASS_HPP
26 #define SHARE_VM_OOPS_OBJARRAYKLASSKLASS_HPP
28 #include "oops/arrayKlassKlass.hpp"
29 #include "oops/objArrayKlass.hpp"
31 // The objArrayKlassKlass is klass for all objArrayKlass'
33 class objArrayKlassKlass : public arrayKlassKlass {
34 public:
35 // Testing
36 virtual bool oop_is_objArrayKlass() const { return true; }
38 // Dispatched operation
39 int oop_size(oop obj) const { return objArrayKlass::cast(klassOop(obj))->object_size(); }
40 int klass_oop_size() const { return object_size(); }
42 // Allocation
43 DEFINE_ALLOCATE_PERMANENT(objArrayKlassKlass);
44 static klassOop create_klass(TRAPS);
45 klassOop allocate_objArray_klass(int n, KlassHandle element_klass, TRAPS);
46 klassOop allocate_system_objArray_klass(TRAPS); // Used for bootstrapping in Universe::genesis
48 // Casting from klassOop
49 static objArrayKlassKlass* cast(klassOop k) {
50 assert(k->klass_part()->oop_is_klass(), "cast to objArrayKlassKlass");
51 return (objArrayKlassKlass*) k->klass_part();
52 }
54 // Sizing
55 static int header_size() { return oopDesc::header_size() + sizeof(objArrayKlassKlass)/HeapWordSize; }
56 int object_size() const { return align_object_size(header_size()); }
58 // Garbage collection
59 void oop_follow_contents(oop obj);
60 int oop_adjust_pointers(oop obj);
62 // Parallel Scavenge and Parallel Old
63 PARALLEL_GC_DECLS
65 // Iterators
66 int oop_oop_iterate(oop obj, OopClosure* blk);
67 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
69 private:
70 // helpers
71 static klassOop allocate_objArray_klass_impl(objArrayKlassKlassHandle this_oop, int n, KlassHandle element_klass, TRAPS);
73 public:
74 // Printing
75 void oop_print_value_on(oop obj, outputStream* st);
76 #ifndef PRODUCT
77 void oop_print_on(oop obj, outputStream* st);
78 #endif //PRODUCT
80 // Verification
81 const char* internal_name() const;
82 void oop_verify_on(oop obj, outputStream* st);
84 };
86 #endif // SHARE_VM_OOPS_OBJARRAYKLASSKLASS_HPP