hotspot/src/share/vm/ci/ciArrayKlass.hpp
author coleenp
Thu, 28 Aug 2014 11:29:09 -0400
changeset 26412 80741eb33ba2
parent 13952 e3cf184080bc
child 46329 53ccc37bda19
permissions -rw-r--r--
8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2) Summary: This removes component mirrors from arrayKlass metadata and the C2 intrinsic for them. Reviewed-by: kvn, twisti, mgerdin
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/*
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 * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_CI_CIARRAYKLASS_HPP
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#define SHARE_VM_CI_CIARRAYKLASS_HPP
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#include "ci/ciKlass.hpp"
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// ciArrayKlass
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//
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// This class, and its subclasses represent Klass*s in the
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// HotSpot virtual machine whose Klass part is an ArrayKlass.
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class ciArrayKlass : public ciKlass {
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  CI_PACKAGE_ACCESS
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private:
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  jint _dimension;
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protected:
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  ciArrayKlass(KlassHandle h_k);
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  ciArrayKlass(ciSymbol* name, int dimension, BasicType bt);
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  ArrayKlass* get_ArrayKlass() {
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    return (ArrayKlass*)get_Klass();
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  }
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  const char* type_string() { return "ciArrayKlass"; }
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public:
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  jint dimension() { return _dimension; }
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  ciType* element_type();       // JLS calls this the "component type"
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  ciType* base_element_type();  // JLS calls this the "element type"
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  bool is_leaf_type();          // No subtypes of this array type.
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  // What kind of vmObject is this?
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  bool is_array_klass() const { return true; }
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  bool is_java_klass() const  { return true; }
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  static ciArrayKlass* make(ciType* element_type);
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};
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#endif // SHARE_VM_CI_CIARRAYKLASS_HPP