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Datei: foreignGlobals_x86.hpp Sprache: C

/*
* Copyright (c) 2020, 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.
*/

#ifndef CPU_X86_VM_FOREIGN_GLOBALS_X86_HPP
#define CPU_X86_VM_FOREIGN_GLOBALS_X86_HPP

#include "asm/macroAssembler.hpp"
#include "utilities/growableArray.hpp"

struct ABIDescriptor {
  GrowableArray<Register> _integer_argument_registers;
  GrowableArray<Register> _integer_return_registers;
  GrowableArray<XMMRegister> _vector_argument_registers;
  GrowableArray<XMMRegister> _vector_return_registers;
  size_t _X87_return_registers_noof;

  GrowableArray<Register> _integer_additional_volatile_registers;
  GrowableArray<XMMRegister> _vector_additional_volatile_registers;

  int32_t _stack_alignment_bytes;
  int32_t _shadow_space_bytes;

  VMStorage _scratch1;
  VMStorage _scratch2;

  bool is_volatile_reg(Register reg) const;
  bool is_volatile_reg(XMMRegister reg) const;
};

#endif // CPU_X86_VM_FOREIGN_GLOBALS_X86_HPP

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