1 /* 2 * Copyright (c) 2018, 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 #include "precompiled.hpp" 26 #include "ci/ciInstance.hpp" 27 #include "ci/ciMethodType.hpp" 28 #include "ci/ciUtilities.inline.hpp" 29 #include "classfile/javaClasses.inline.hpp" 30 31 ciType* ciMethodType::class_to_citype(oop klass_oop) const { 32 if (java_lang_Class::is_primitive(klass_oop)) { 33 BasicType bt = java_lang_Class::primitive_type(klass_oop); 34 return ciType::make(bt); 35 } else { 36 Klass* k = java_lang_Class::as_Klass(klass_oop); 37 return CURRENT_ENV->get_klass(k); 38 } 39 } 40 41 ciType* ciMethodType::rtype(bool& never_null) const { 42 GUARDED_VM_ENTRY( 43 oop rtype = java_lang_invoke_MethodType::rtype(get_oop()); 44 never_null = (java_lang_Class::inline_type_mirror(rtype) == rtype); 45 return class_to_citype(rtype); 46 ) 47 } 48 49 int ciMethodType::ptype_count() const { 50 GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_count(get_oop());) 51 } 52 53 int ciMethodType::ptype_slot_count() const { 54 GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_slot_count(get_oop());) 55 } 56 57 ciType* ciMethodType::ptype_at(int index, bool& never_null) const { 58 GUARDED_VM_ENTRY( 59 oop ptype = java_lang_invoke_MethodType::ptype(get_oop(), index); 60 never_null = (java_lang_Class::inline_type_mirror(ptype) == ptype); 61 return class_to_citype(ptype); 62 ) 63 }