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comparison src/share/vm/ci/ciSymbolKlass.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1999-2001 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 // ciSymbolKlass
26 //
27 // This class represents a klassOop in the HotSpot virtual machine
28 // whose Klass part in a symbolKlass. Although, in the VM
29 // Klass hierarchy, symbolKlass is a direct subclass of typeArrayKlass,
30 // we do not model this relationship in the ciObject hierarchy -- the
31 // subclassing is used to share implementation and is not of note
32 // to compiler writers.
33 class ciSymbolKlass : public ciKlass {
34 CI_PACKAGE_ACCESS
35
36 protected:
37 ciSymbolKlass(KlassHandle h_k)
38 : ciKlass(h_k, ciSymbol::make("unique_symbolKlass")) {
39 assert(get_Klass()->oop_is_symbol(), "wrong type");
40 }
41
42 symbolKlass* get_symbolKlass() { return (symbolKlass*)get_Klass(); }
43
44 const char* type_string() { return "ciSymbolKlass"; }
45
46 public:
47 // What kind of ciObject is this?
48 bool is_symbol_klass() { return true; }
49
50 // Return the distinguished ciSymbolKlass instance.
51 static ciSymbolKlass* make();
52 };