src/hotspot/share/asm/codeBuffer.hpp

*** 48,83 ****
                   OSR_Entry,
                   Exceptions,     // Offset where exception handler lives
                   Deopt,          // Offset where deopt handler lives
                   DeoptMH,        // Offset where MethodHandle deopt handler lives
                   UnwindHandler,  // Offset to default unwind handler
                   max_Entries };
  
    // special value to note codeBlobs where profile (forte) stack walking is
    // always dangerous and suspect.
  
    enum { frame_never_safe = -1 };
  
  private:
    int _values[max_Entries];
  
  public:
    CodeOffsets() {
      _values[Entry         ] = 0;
      _values[Verified_Entry] = 0;
      _values[Verified_Value_Entry] = -1;
      _values[Verified_Value_Entry_RO] = -1;
      _values[Frame_Complete] = frame_never_safe;
      _values[OSR_Entry     ] = 0;
      _values[Exceptions    ] = -1;
      _values[Deopt         ] = -1;
      _values[DeoptMH       ] = -1;
      _values[UnwindHandler ] = -1;
    }
  
!   int value(Entries e) { return _values[e]; }
!   void set_value(Entries e, int val) { _values[e] = val; }
  };
  
  // This class represents a stream of code and associated relocations.
  // There are a few in each CodeBuffer.
  // They are filled concurrently, and concatenated at the end.
--- 48,86 ----
                   OSR_Entry,
                   Exceptions,     // Offset where exception handler lives
                   Deopt,          // Offset where deopt handler lives
                   DeoptMH,        // Offset where MethodHandle deopt handler lives
                   UnwindHandler,  // Offset to default unwind handler
+                  Value_Entry,
                   max_Entries };
  
    // special value to note codeBlobs where profile (forte) stack walking is
    // always dangerous and suspect.
  
    enum { frame_never_safe = -1 };
  
  private:
    int _values[max_Entries];
+   void check(int e) const { assert(0 <= e && e < max_Entries, "must be"); }
  
  public:
    CodeOffsets() {
      _values[Entry         ] = 0;
      _values[Verified_Entry] = 0;
+     _values[Value_Entry   ] = 0;
      _values[Verified_Value_Entry] = -1;
      _values[Verified_Value_Entry_RO] = -1;
      _values[Frame_Complete] = frame_never_safe;
      _values[OSR_Entry     ] = 0;
      _values[Exceptions    ] = -1;
      _values[Deopt         ] = -1;
      _values[DeoptMH       ] = -1;
      _values[UnwindHandler ] = -1;
    }
  
!   int value(Entries e) const { check(e); return _values[e]; }
!   void set_value(Entries e, int val) { check(e);  _values[e] = val; }
  };
  
  // This class represents a stream of code and associated relocations.
  // There are a few in each CodeBuffer.
  // They are filled concurrently, and concatenated at the end.