Wed, 12 Oct 2011 21:00:13 -0700
7092712: JSR 292: unloaded invokedynamic call sites can lead to a crash with signature types not on BCP
Reviewed-by: jrose, never
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 *
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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_CI_CIKLASSKLASS_HPP
26 #define SHARE_VM_CI_CIKLASSKLASS_HPP
28 #include "ci/ciKlass.hpp"
29 #include "ci/ciSymbol.hpp"
31 // ciKlassKlass
32 //
33 // This class represents a klassOop in the HotSpot virtual machine
34 // whose Klass part is a klassKlass or one of its subclasses
35 // (instanceKlassKlass, objArrayKlassKlass, typeArrayKlassKlass).
36 class ciKlassKlass : public ciKlass {
37 CI_PACKAGE_ACCESS
39 protected:
40 ciKlassKlass(KlassHandle h_k)
41 : ciKlass(h_k, ciSymbol::make("unique_klassKlass")) {
42 assert(h_k()->klass_part()->oop_is_klass(), "wrong type");
43 }
44 ciKlassKlass(KlassHandle h_k, ciSymbol *name)
45 : ciKlass(h_k, name) {}
47 klassKlass* get_klassKlass() { return (klassKlass*)get_Klass(); }
49 const char* type_string() { return "ciKlassKlass"; }
51 public:
52 // What kind of ciObject is this?
53 bool is_klass_klass() { return true; }
55 // Return the distinguished ciKlassKlass instance.
56 static ciKlassKlass* make();
57 };
59 #endif // SHARE_VM_CI_CIKLASSKLASS_HPP