src/share/vm/ci/ciKlassKlass.hpp

Wed, 12 Oct 2011 21:00:13 -0700

author
twisti
date
Wed, 12 Oct 2011 21:00:13 -0700
changeset 3197
5eb9169b1a14
parent 2314
f95d63e2154a
permissions
-rw-r--r--

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  *
     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  */
    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

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