src/hotspot/share/oops/oop.hpp

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

*** 61,81 ****
      Klass*      _klass;
      narrowKlass _compressed_klass;
    } _metadata;
  
   public:
!   markOop  mark()      const { return _mark; }
!   markOop* mark_addr() const { return (markOop*) &_mark; }
  
!   void set_mark(volatile markOop m) { _mark = m; }
  
    inline void release_set_mark(markOop m);
    inline markOop cas_set_mark(markOop new_mark, markOop old_mark);
  
    // Used only to re-initialize the mark word (e.g., of promoted
    // objects during a GC) -- requires a valid klass pointer
    inline void init_mark();
  
    inline Klass* klass() const;
    inline Klass* klass_or_null() const volatile;
    inline Klass* klass_or_null_acquire() const volatile;
    inline Klass** klass_addr();
--- 61,85 ----
      Klass*      _klass;
      narrowKlass _compressed_klass;
    } _metadata;
  
   public:
!   inline markOop  mark()          const;
!   inline markOop  mark_raw()      const;
!   inline markOop* mark_addr_raw() const;
  
!   inline void set_mark(volatile markOop m);
!   inline void set_mark_raw(volatile markOop m);
  
    inline void release_set_mark(markOop m);
    inline markOop cas_set_mark(markOop new_mark, markOop old_mark);
+   inline markOop cas_set_mark_raw(markOop new_mark, markOop old_mark);
  
    // Used only to re-initialize the mark word (e.g., of promoted
    // objects during a GC) -- requires a valid klass pointer
    inline void init_mark();
+   inline void init_mark_raw();
  
    inline Klass* klass() const;
    inline Klass* klass_or_null() const volatile;
    inline Klass* klass_or_null_acquire() const volatile;
    inline Klass** klass_addr();
*** 271,280 ****
--- 275,285 ----
  
    // locking operations
    inline bool is_locked()   const;
    inline bool is_unlocked() const;
    inline bool has_bias_pattern() const;
+   inline bool has_bias_pattern_raw() const;
  
    // asserts and guarantees
    static bool is_oop(oop obj, bool ignore_mark_word = false);
    static bool is_oop_or_null(oop obj, bool ignore_mark_word = false);
  #ifndef PRODUCT
*** 355,367 ****
  
    // Alternate hashing code if string table is rehashed
    unsigned int new_hash(juint seed);
  
    // marks are forwarded to stack when object is locked
!   inline bool    has_displaced_mark() const;
!   inline markOop displaced_mark() const;
!   inline void    set_displaced_mark(markOop m);
  
    static bool has_klass_gap();
  
    // for code generation
    static int mark_offset_in_bytes()      { return offset_of(oopDesc, _mark); }
--- 360,372 ----
  
    // Alternate hashing code if string table is rehashed
    unsigned int new_hash(juint seed);
  
    // marks are forwarded to stack when object is locked
!   inline bool    has_displaced_mark_raw() const;
!   inline markOop displaced_mark_raw() const;
!   inline void    set_displaced_mark_raw(markOop m);
  
    static bool has_klass_gap();
  
    // for code generation
    static int mark_offset_in_bytes()      { return offset_of(oopDesc, _mark); }