| /* |
| * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_CI_CIINSTANCE_HPP |
| #define SHARE_VM_CI_CIINSTANCE_HPP |
| |
| #include "ci/ciObject.hpp" |
| #include "oops/instanceOop.hpp" |
| #include "oops/oop.hpp" |
| |
| // ciInstance |
| // |
| // This class represents an instanceOop in the HotSpot virtual |
| // machine. This is an oop which corresponds to a non-array |
| // instance of java.lang.Object. |
| class ciInstance : public ciObject { |
| CI_PACKAGE_ACCESS |
| friend class ciField; |
| |
| protected: |
| ciInstance(instanceHandle h_i) : ciObject(h_i) { |
| assert(h_i()->is_instance_noinline(), "wrong type"); |
| } |
| |
| ciInstance(ciKlass* klass) : ciObject(klass) {} |
| |
| instanceOop get_instanceOop() { return (instanceOop)get_oop(); } |
| |
| const char* type_string() { return "ciInstance"; } |
| |
| void print_impl(outputStream* st); |
| |
| ciConstant field_value_impl(BasicType field_btype, int offset); |
| |
| public: |
| // If this object is a java mirror, return the corresponding type. |
| // Otherwise, return NULL. |
| // (Remember that a java mirror is an instance of java.lang.Class.) |
| ciType* java_mirror_type(); |
| |
| // What kind of ciObject is this? |
| bool is_instance() { return true; } |
| bool is_java_object() { return true; } |
| |
| // Constant value of a field. |
| ciConstant field_value(ciField* field); |
| |
| // Constant value of a field at the specified offset. |
| ciConstant field_value_by_offset(int field_offset); |
| |
| ciKlass* java_lang_Class_klass(); |
| }; |
| |
| #endif // SHARE_VM_CI_CIINSTANCE_HPP |