1 /* 2 * Copyright (c) 2013, Red Hat Inc. 3 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. 4 * All rights reserved. 5 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 6 * 7 * This code is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License version 2 only, as 9 * published by the Free Software Foundation. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 * 25 */ 26 27 // Platform-specific definitions for method handles. 28 // These definitions are inlined into class MethodHandles. 29 30 // Adapters 31 enum /* platform_dependent_constants */ { 32 adapter_code_size = 32000 DEBUG_ONLY(+ 120000) 33 }; 34 35 public: 36 37 static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg); 38 39 static void verify_klass(MacroAssembler* _masm, 40 Register obj, SystemDictionary::WKID klass_id, 41 const char* error_message = "wrong klass") NOT_DEBUG_RETURN; 42 43 static void verify_method_handle(MacroAssembler* _masm, Register mh_reg) { 44 verify_klass(_masm, mh_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_invoke_MethodHandle), 45 "reference is a MH"); 46 } 47 48 static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN; 49 50 // Similar to InterpreterMacroAssembler::jump_from_interpreted. 51 // Takes care of special dispatch from single stepping too. 52 static void jump_from_method_handle(MacroAssembler* _masm, Register method, Register temp, 53 bool for_compiler_entry); 54 55 static void jump_to_lambda_form(MacroAssembler* _masm, 56 Register recv, Register method_temp, 57 Register temp2, 58 bool for_compiler_entry); 59 60 static Register saved_last_sp_register() { 61 // Should be in sharedRuntime, not here. 62 return noreg; 63 }