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Datei: stubGenerator_arm.cpp Sprache: C

/*
* Copyright (c) 2011, 2022, 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 = 18000 NOT_PRODUCT(+ 30000)
};

// Additional helper methods for MethodHandles code generation:
public:
  static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp1, Register temp2);

  static void verify_klass(MacroAssembler* _masm,
                           Register obj, Register temp1, Register temp2, vmClassID klass_id,
                           const char* error_message = "wrong klass") NOT_DEBUG_RETURN;

  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.
  // Rmethod should contain target Method.
  static void jump_from_method_handle(MacroAssembler* _masm, bool for_compiler_entry);

  static void jump_to_lambda_form(MacroAssembler* _masm,
                                  Register recv, Register tmp,
                                  bool for_compiler_entry);

  static void jump_to_native_invoker(MacroAssembler* _masm,
                                     Register nep_reg, Register temp);

  static Register saved_last_sp_register() {
    // Should be in sharedRuntime, not here.
    return Rsender_sp;
  }

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