test/hotspot/gtest/gc/shared/test_preservedMarks.cpp

rev 49289 : 8199735: Mark word updates need to use Access API

*** 1,7 ****
  /*
!  * Copyright (c) 2017, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2017, 2018 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.
*** 21,30 ****
--- 21,31 ----
   * questions.
   */
  
  #include "precompiled.hpp"
  #include "gc/shared/preservedMarks.inline.hpp"
+ #include "oops/oop.inline.hpp"
  #include "unittest.hpp"
  
  class ScopedDisabledBiasedLocking {
    bool _orig;
  public:
*** 36,53 ****
  // return true for calls to must_be_preserved().
  class FakeOop {
    oopDesc _oop;
  
  public:
!   FakeOop() : _oop() { _oop.set_mark(originalMark()); }
  
    oop get_oop() { return &_oop; }
!   markOop mark() { return _oop.mark(); }
!   void set_mark(markOop m) { _oop.set_mark(m); }
    void forward_to(oop obj) {
      markOop m = markOopDesc::encode_pointer_as_mark(obj);
!     _oop.set_mark(m);
    }
  
    static markOop originalMark() { return markOop(markOopDesc::lock_mask_in_place); }
    static markOop changedMark()  { return markOop(0x4711); }
  };
--- 37,54 ----
  // return true for calls to must_be_preserved().
  class FakeOop {
    oopDesc _oop;
  
  public:
!   FakeOop() : _oop() { _oop.set_mark_raw(originalMark()); }
  
    oop get_oop() { return &_oop; }
!   markOop mark() { return _oop.mark_raw(); }
!   void set_mark(markOop m) { _oop.set_mark_raw(m); }
    void forward_to(oop obj) {
      markOop m = markOopDesc::encode_pointer_as_mark(obj);
!     _oop.set_mark_raw(m);
    }
  
    static markOop originalMark() { return markOop(markOopDesc::lock_mask_in_place); }
    static markOop changedMark()  { return markOop(0x4711); }
  };