Quelle relocInfo_ppc.hpp Sprache: C

/*
* Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2018 SAP SE. 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).
*
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#ifndef CPU_PPC_RELOCINFO_PPC_HPP
#define CPU_PPC_RELOCINFO_PPC_HPP

  // machine-dependent parts of class relocInfo
private:
  enum {
    // Since Power instructions are whole words,
    // the two low-order offset bits can always be discarded.
    offset_unit        =  4,

    // There is no need for format bits; the instructions are
    // sufficiently self-identifying.
#ifndef _LP64
    format_width       =  0
#else
    // Except narrow oops in 64-bits VM.
    format_width       =  1
#endif
  };

public:

  // This platform has no oops in the code that are not also
  // listed in the oop section.
  static bool mustIterateImmediateOopsInCode() { return false; }

#endif // CPU_PPC_RELOCINFO_PPC_HPP

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