1 /* 2 * Copyright (c) 2009, 2011, 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_CIMETHODHANDLE_HPP 26 #define SHARE_VM_CI_CIMETHODHANDLE_HPP 27 28 #include "ci/ciCallProfile.hpp" 29 #include "ci/ciInstance.hpp" 30 #include "prims/methodHandles.hpp" 31 32 // ciMethodHandle 33 // 34 // The class represents a java.lang.invoke.MethodHandle object. 35 class ciMethodHandle : public ciInstance { 36 private: 37 ciMethod* _callee; 38 ciMethod* _caller; 39 ciCallProfile _profile; 40 ciMethod* _method_handle_adapter; 41 ciMethod* _invokedynamic_adapter; 42 43 // Return an adapter for this MethodHandle. 44 ciMethod* get_adapter_impl(bool is_invokedynamic); 45 ciMethod* get_adapter( bool is_invokedynamic); 46 47 protected: 48 void print_chain_impl(outputStream* st) PRODUCT_RETURN; 49 50 public: 51 ciMethodHandle(instanceHandle h_i) : 52 ciInstance(h_i), 53 _callee(NULL), 54 _caller(NULL), 55 _method_handle_adapter(NULL), 56 _invokedynamic_adapter(NULL) 57 {} 58 59 // What kind of ciObject is this? 60 bool is_method_handle() const { return true; } 61 62 void set_callee(ciMethod* m) { _callee = m; } 63 void set_caller(ciMethod* m) { _caller = m; } 64 void set_call_profile(ciCallProfile profile) { _profile = profile; } 65 66 // Return an adapter for a MethodHandle call. 67 ciMethod* get_method_handle_adapter() { 68 if (_method_handle_adapter == NULL) { 69 _method_handle_adapter = get_adapter(false); 70 } 71 return _method_handle_adapter; 72 } 73 74 // Return an adapter for an invokedynamic call. 75 ciMethod* get_invokedynamic_adapter() { 76 if (_invokedynamic_adapter == NULL) { 77 _invokedynamic_adapter = get_adapter(true); 78 } 79 return _invokedynamic_adapter; 80 } 81 82 void print_chain(outputStream* st = tty) PRODUCT_RETURN; 83 }; 84 85 #endif // SHARE_VM_CI_CIMETHODHANDLE_HPP