never@2895: /*
bdelsart@3445:  * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
never@2895:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@2895:  *
never@2895:  * This code is free software; you can redistribute it and/or modify it
never@2895:  * under the terms of the GNU General Public License version 2 only, as
never@2895:  * published by the Free Software Foundation.
never@2895:  *
never@2895:  * This code is distributed in the hope that it will be useful, but WITHOUT
never@2895:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@2895:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
never@2895:  * version 2 for more details (a copy is included in the LICENSE file that
never@2895:  * accompanied this code).
never@2895:  *
never@2895:  * You should have received a copy of the GNU General Public License version
never@2895:  * 2 along with this work; if not, write to the Free Software Foundation,
never@2895:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@2895:  *
never@2895:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
never@2895:  * or visit www.oracle.com if you need additional information or have any
never@2895:  * questions.
never@2895:  *
never@2895:  */
never@2895: 
never@2895: // Platform-specific definitions for method handles.
never@2895: // These definitions are inlined into class MethodHandles.
never@2895: 
never@2950: // Adapters
never@2950: enum /* platform_dependent_constants */ {
twisti@3969:   adapter_code_size = NOT_LP64(16000 DEBUG_ONLY(+ 25000)) LP64_ONLY(32000 DEBUG_ONLY(+ 150000))
never@2895: };
never@2895: 
never@2895: // Additional helper methods for MethodHandles code generation:
never@2895: public:
never@2895:   static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg);
never@2895: 
never@2895:   static void verify_klass(MacroAssembler* _masm,
coleenp@4037:                            Register obj, SystemDictionary::WKID klass_id,
never@2895:                            const char* error_message = "wrong klass") NOT_DEBUG_RETURN;
never@2895: 
never@2895:   static void verify_method_handle(MacroAssembler* _masm, Register mh_reg) {
coleenp@4037:     verify_klass(_masm, mh_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_invoke_MethodHandle),
never@2895:                  "reference is a MH");
never@2895:   }
never@2895: 
twisti@3969:   static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN;
twisti@3969: 
never@3005:   // Similar to InterpreterMacroAssembler::jump_from_interpreted.
never@3005:   // Takes care of special dispatch from single stepping too.
twisti@3969:   static void jump_from_method_handle(MacroAssembler* _masm, Register method, Register temp,
twisti@3969:                                       bool for_compiler_entry);
twisti@3969: 
twisti@3969:   static void jump_to_lambda_form(MacroAssembler* _masm,
twisti@3969:                                   Register recv, Register method_temp,
twisti@3969:                                   Register temp2,
twisti@3969:                                   bool for_compiler_entry);
never@3005: 
never@2895:   static void trace_method_handle(MacroAssembler* _masm, const char* adaptername) PRODUCT_RETURN;
never@2895: 
never@2895:   static Register saved_last_sp_register() {
never@2895:     // Should be in sharedRuntime, not here.
never@2895:     return LP64_ONLY(r13) NOT_LP64(rsi);
never@2895:   }