aoqi@1: /*
aoqi@1:  * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@1:  * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved.
aoqi@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@1:  *
aoqi@1:  * This code is free software; you can redistribute it and/or modify it
aoqi@1:  * under the terms of the GNU General Public License version 2 only, as
aoqi@1:  * published by the Free Software Foundation.
aoqi@1:  *
aoqi@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@1:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@1:  * accompanied this code).
aoqi@1:  *
aoqi@1:  * You should have received a copy of the GNU General Public License version
aoqi@1:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@1:  *
aoqi@1:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@1:  * or visit www.oracle.com if you need additional information or have any
aoqi@1:  * questions.
aoqi@1:  *
aoqi@1:  */
aoqi@1: 
aoqi@1: // Platform-specific definitions for method handles.
aoqi@1: // These definitions are inlined into class MethodHandles.
aoqi@1: 
aoqi@1: // Adapters
aoqi@1: enum /* platform_dependent_constants */ {
aoqi@1:   adapter_code_size = NOT_LP64(16000 DEBUG_ONLY(+ 25000)) LP64_ONLY(32000 DEBUG_ONLY(+ 150000))
aoqi@1: };
aoqi@1: 
aoqi@1: // Additional helper methods for MethodHandles code generation:
aoqi@1: public:
aoqi@1:   static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg);
aoqi@1: 
aoqi@1:   static void verify_klass(MacroAssembler* _masm,
aoqi@1:                            Register obj, SystemDictionary::WKID klass_id,
aoqi@1:                            const char* error_message = "wrong klass") NOT_DEBUG_RETURN;
aoqi@1: 
aoqi@1:   static void verify_method_handle(MacroAssembler* _masm, Register mh_reg) {
aoqi@1:     verify_klass(_masm, mh_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_invoke_MethodHandle),
aoqi@1:                  "reference is a MH");
aoqi@1:   }
aoqi@1: 
aoqi@1:   static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN;
aoqi@1: 
aoqi@1:   // Similar to InterpreterMacroAssembler::jump_from_interpreted.
aoqi@1:   // Takes care of special dispatch from single stepping too.
aoqi@1:   static void jump_from_method_handle(MacroAssembler* _masm, Register method, Register temp,
aoqi@1:                                       bool for_compiler_entry);
aoqi@1: 
aoqi@1:   static void jump_to_lambda_form(MacroAssembler* _masm,
aoqi@1:                                   Register recv, Register method_temp,
aoqi@1:                                   Register temp2,
aoqi@1:                                   bool for_compiler_entry);
aoqi@1: 
aoqi@1:   static Register saved_last_sp_register() {
aoqi@1:     // Should be in sharedRuntime, not here.
aoqi@1:    // return LP64_ONLY(r13) NOT_LP64(rsi);
aoqi@1:    return I29;
aoqi@1:   }