1 /*
2 * Copyright (c) 1999, 2009, 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 // ciKlass
26 //
27 // This class and its subclasses represent klassOops in the
28 // HotSpot virtual machine. In the vm, each klassOop contains an
29 // embedded Klass object. ciKlass is subclassed to explicitly
30 // represent the kind of Klass embedded in the klassOop. For
31 // example, a klassOop with an embedded objArrayKlass object is
32 // represented in the ciObject hierarchy by the class
33 // ciObjArrayKlass.
34 class ciKlass : public ciType {
35 CI_PACKAGE_ACCESS
36 friend class ciEnv;
37 friend class ciField;
38 friend class ciMethod;
39 friend class ciObjArrayKlass;
40
41 private:
42 ciSymbol* _name;
43 jint _layout_helper;
44
100
101 // Attempt to get a klass using this ciKlass's loader.
102 ciKlass* find_klass(ciSymbol* klass_name);
103 // Note: To find a class from its name string, use ciSymbol::make,
104 // but consider adding to vmSymbols.hpp instead.
105
106 // Get the instance of java.lang.Class corresponding to this klass.
107 ciInstance* java_mirror();
108
109 // Fetch Klass::modifier_flags.
110 jint modifier_flags();
111
112 // Fetch Klass::access_flags.
113 jint access_flags();
114
115 // What kind of ciObject is this?
116 bool is_klass() { return true; }
117
118 void print_name_on(outputStream* st);
119 };
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1 /*
2 * Copyright (c) 1999, 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_CI_CIKLASS_HPP
26 #define SHARE_VM_CI_CIKLASS_HPP
27
28 #include "ci/ciType.hpp"
29 #include "oops/klassOop.hpp"
30
31 // ciKlass
32 //
33 // This class and its subclasses represent klassOops in the
34 // HotSpot virtual machine. In the vm, each klassOop contains an
35 // embedded Klass object. ciKlass is subclassed to explicitly
36 // represent the kind of Klass embedded in the klassOop. For
37 // example, a klassOop with an embedded objArrayKlass object is
38 // represented in the ciObject hierarchy by the class
39 // ciObjArrayKlass.
40 class ciKlass : public ciType {
41 CI_PACKAGE_ACCESS
42 friend class ciEnv;
43 friend class ciField;
44 friend class ciMethod;
45 friend class ciObjArrayKlass;
46
47 private:
48 ciSymbol* _name;
49 jint _layout_helper;
50
106
107 // Attempt to get a klass using this ciKlass's loader.
108 ciKlass* find_klass(ciSymbol* klass_name);
109 // Note: To find a class from its name string, use ciSymbol::make,
110 // but consider adding to vmSymbols.hpp instead.
111
112 // Get the instance of java.lang.Class corresponding to this klass.
113 ciInstance* java_mirror();
114
115 // Fetch Klass::modifier_flags.
116 jint modifier_flags();
117
118 // Fetch Klass::access_flags.
119 jint access_flags();
120
121 // What kind of ciObject is this?
122 bool is_klass() { return true; }
123
124 void print_name_on(outputStream* st);
125 };
126
127 #endif // SHARE_VM_CI_CIKLASS_HPP
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