--- /dev/null 2021-01-19 17:38:25.908523431 +0000 +++ new/src/cpu/aarch64/vm/methodHandles_aarch64.hpp 2021-01-25 19:31:51.747634246 +0000 @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2013, Red Hat Inc. + * 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 = 32000 DEBUG_ONLY(+ 120000) +}; + +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 noreg; + }