1 /*
2 * Copyright (c) 1997, 2008, 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
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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 // objArrayKlass is the klass for objArrays
26
27 class objArrayKlass : public arrayKlass {
28 friend class VMStructs;
29 private:
30 klassOop _element_klass; // The klass of the elements of this array type
31 klassOop _bottom_klass; // The one-dimensional type (instanceKlass or typeArrayKlass)
32 public:
33 // Instance variables
34 klassOop element_klass() const { return _element_klass; }
35 void set_element_klass(klassOop k) { oop_store_without_check((oop*) &_element_klass, (oop) k); }
36 oop* element_klass_addr() { return (oop*)&_element_klass; }
37
38 klassOop bottom_klass() const { return _bottom_klass; }
39 void set_bottom_klass(klassOop k) { oop_store_without_check((oop*) &_bottom_klass, (oop) k); }
40 oop* bottom_klass_addr() { return (oop*)&_bottom_klass; }
41
42 // Compiler/Interpreter offset
43 static int element_klass_offset_in_bytes() { return offset_of(objArrayKlass, _element_klass); }
44
123
124 // JVM support
125 jint compute_modifier_flags(TRAPS) const;
126
127 private:
128 static klassOop array_klass_impl (objArrayKlassHandle this_oop, bool or_null, int n, TRAPS);
129
130 public:
131 // Printing
132 void oop_print_value_on(oop obj, outputStream* st);
133 #ifndef PRODUCT
134 void oop_print_on (oop obj, outputStream* st);
135 #endif //PRODUCT
136
137 // Verification
138 const char* internal_name() const;
139 void oop_verify_on(oop obj, outputStream* st);
140 void oop_verify_old_oop(oop obj, oop* p, bool allow_dirty);
141 void oop_verify_old_oop(oop obj, narrowOop* p, bool allow_dirty);
142 };
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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
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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_OOPS_OBJARRAYKLASS_HPP
26 #define SHARE_VM_OOPS_OBJARRAYKLASS_HPP
27
28 #include "memory/specialized_oop_closures.hpp"
29 #include "oops/arrayKlass.hpp"
30 #include "oops/instanceKlass.hpp"
31
32 // objArrayKlass is the klass for objArrays
33
34 class objArrayKlass : public arrayKlass {
35 friend class VMStructs;
36 private:
37 klassOop _element_klass; // The klass of the elements of this array type
38 klassOop _bottom_klass; // The one-dimensional type (instanceKlass or typeArrayKlass)
39 public:
40 // Instance variables
41 klassOop element_klass() const { return _element_klass; }
42 void set_element_klass(klassOop k) { oop_store_without_check((oop*) &_element_klass, (oop) k); }
43 oop* element_klass_addr() { return (oop*)&_element_klass; }
44
45 klassOop bottom_klass() const { return _bottom_klass; }
46 void set_bottom_klass(klassOop k) { oop_store_without_check((oop*) &_bottom_klass, (oop) k); }
47 oop* bottom_klass_addr() { return (oop*)&_bottom_klass; }
48
49 // Compiler/Interpreter offset
50 static int element_klass_offset_in_bytes() { return offset_of(objArrayKlass, _element_klass); }
51
130
131 // JVM support
132 jint compute_modifier_flags(TRAPS) const;
133
134 private:
135 static klassOop array_klass_impl (objArrayKlassHandle this_oop, bool or_null, int n, TRAPS);
136
137 public:
138 // Printing
139 void oop_print_value_on(oop obj, outputStream* st);
140 #ifndef PRODUCT
141 void oop_print_on (oop obj, outputStream* st);
142 #endif //PRODUCT
143
144 // Verification
145 const char* internal_name() const;
146 void oop_verify_on(oop obj, outputStream* st);
147 void oop_verify_old_oop(oop obj, oop* p, bool allow_dirty);
148 void oop_verify_old_oop(oop obj, narrowOop* p, bool allow_dirty);
149 };
150
151 #endif // SHARE_VM_OOPS_OBJARRAYKLASS_HPP
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