| /* |
| * Copyright (c) 2010, 2012, 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. |
| * |
| */ |
| |
| // Platform-specific definitions for method handles. |
| // These definitions are inlined into class MethodHandles. |
| |
| // Adapters |
| enum /* platform_dependent_constants */ { |
| adapter_code_size = NOT_LP64(16000 DEBUG_ONLY(+ 25000)) LP64_ONLY(32000 DEBUG_ONLY(+ 150000)) |
| }; |
| |
| // Additional helper methods for MethodHandles code generation: |
| public: |
| static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg); |
| |
| static void verify_klass(MacroAssembler* _masm, |
| Register obj, SystemDictionary::WKID klass_id, |
| const char* error_message = "wrong klass") NOT_DEBUG_RETURN; |
| |
| static void verify_method_handle(MacroAssembler* _masm, Register mh_reg) { |
| verify_klass(_masm, mh_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_invoke_MethodHandle), |
| "reference is a MH"); |
| } |
| |
| static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN; |
| |
| // Similar to InterpreterMacroAssembler::jump_from_interpreted. |
| // Takes care of special dispatch from single stepping too. |
| static void jump_from_method_handle(MacroAssembler* _masm, Register method, Register temp, |
| bool for_compiler_entry); |
| |
| static void jump_to_lambda_form(MacroAssembler* _masm, |
| Register recv, Register method_temp, |
| Register temp2, |
| bool for_compiler_entry); |
| |
| static Register saved_last_sp_register() { |
| // Should be in sharedRuntime, not here. |
| return LP64_ONLY(r13) NOT_LP64(rsi); |
| } |
