1 /* 2 * Copyright (c) 2016, 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 */ 24 25 #ifndef SHARE_VM_CI_CIVALUEARRAYKLASS_HPP 26 #define SHARE_VM_CI_CIVALUEARRAYKLASS_HPP 27 28 #include "ci/ciArrayKlass.hpp" 29 30 // ciValueArrayKlass 31 // 32 // This class represents a Klass* in the HotSpot virtual machine 33 // whose Klass part is a ValueArrayKlass. 34 class ciValueArrayKlass : public ciArrayKlass { 35 CI_PACKAGE_ACCESS 36 friend class ciEnv; 37 38 private: 39 ciKlass* _element_klass; 40 // TODO remove this?? 41 ciKlass* _base_element_klass; 42 43 protected: 44 ciValueArrayKlass(Klass* h_k); 45 ciValueArrayKlass(ciSymbol* array_name, 46 ciValueKlass* element_klass, 47 int dimension); 48 49 ValueArrayKlass* get_ValueArrayKlass() { 50 return (ValueArrayKlass*)get_Klass(); 51 } 52 53 static ciValueArrayKlass* make_impl(ciKlass* element_klass); 54 static ciSymbol* construct_array_name(ciSymbol* element_name, 55 int dimension); 56 57 const char* type_string() { return "ciValueArrayKlass"; } 58 59 oop loader() { return _base_element_klass->loader(); } 60 jobject loader_handle() { return _base_element_klass->loader_handle(); } 61 62 oop protection_domain() { return _base_element_klass->protection_domain(); } 63 jobject protection_domain_handle() { return _base_element_klass->protection_domain_handle(); } 64 65 66 public: 67 // The one-level type of the array elements. 68 ciKlass* element_klass(); 69 70 // TODO refactor all of this 71 int log2_element_size() { 72 return Klass::layout_helper_log2_element_size(layout_helper()); 73 } 74 int element_byte_size() { return 1 << log2_element_size(); } 75 76 // The innermost type of the array elements. 77 ciKlass* base_element_klass() { return _base_element_klass; } 78 79 // What kind of ciObject is this? 80 bool is_value_array_klass() const { return true; } 81 82 static ciValueArrayKlass* make(ciKlass* element_klass); 83 84 virtual ciKlass* exact_klass(); 85 }; 86 87 88 #endif // SHARE_VM_CI_CIVALUEARRAYKLASS_HPP