hotspot/src/cpu/arm/vm/methodHandles_arm.hpp
author lana
Sat, 25 Mar 2017 01:44:22 +0000
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/*
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 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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// Platform-specific definitions for method handles.
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// These definitions are inlined into class MethodHandles.
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// Adapters
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enum /* platform_dependent_constants */ {
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  adapter_code_size = 18000 NOT_PRODUCT(+ 30000)
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};
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// Additional helper methods for MethodHandles code generation:
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public:
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  static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp1, Register temp2);
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  static void verify_klass(MacroAssembler* _masm,
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                           Register obj, Register temp1, Register temp2, SystemDictionary::WKID klass_id,
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                           const char* error_message = "wrong klass") NOT_DEBUG_RETURN;
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  static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN;
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  // Similar to InterpreterMacroAssembler::jump_from_interpreted.
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  // Takes care of special dispatch from single stepping too.
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  // Rmethod should contain target methodOop.
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  static void jump_from_method_handle(MacroAssembler* _masm, bool for_compiler_entry);
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  static void jump_to_lambda_form(MacroAssembler* _masm,
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                                  Register recv, Register tmp,
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                                  bool for_compiler_entry);
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  static Register saved_last_sp_register() {
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    // Should be in sharedRuntime, not here.
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    return Rsender_sp;
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  }