src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/Symbol.java

@  rev 51710 : 8204308: SA: serviceability/sa/TestInstanceKlassSize*.java fails when running in CDS mode
|  Summary: Use longs instead of ints while computing the identity hash of klass symbols
~  Reviewed-by: coleenp, lfoltan
o  rev 50929 : 8205534: Remove SymbolTable dependency from serviceability agent
|  Reviewed-by: gziemski, poonam, jgeorge, hseigel
~

*** 81,99 ****
      return addr.getJByteAt(baseOffset + index);
    }
    // _identity_hash is a short
    private static CIntegerField idHash;
  
!   public int identityHash() {
      long addr_value = getAddress().asLongValue();
!     int  addr_bits = (int)(addr_value >> (VM.getVM().getLogMinObjAlignmentInBytes() + 3));
      int  length = (int)getLength();
      int  byte0 = getByteAt(0);
      int  byte1 = getByteAt(1);
!     int  id_hash = (int)(0xffff & idHash.getValue(this.addr));
!     return id_hash |
!            ((addr_bits ^ (length << 8) ^ ((byte0 << 8) | byte1)) << 16);
    }
  
    public boolean equals(byte[] modUTF8Chars) {
      int l = (int) getLength();
      if (l != modUTF8Chars.length) return false;
--- 81,100 ----
      return addr.getJByteAt(baseOffset + index);
    }
    // _identity_hash is a short
    private static CIntegerField idHash;
  
!   public long identityHash() {
      long addr_value = getAddress().asLongValue();
!     long addr_bits =
!       (addr_value >> (VM.getVM().getLogMinObjAlignmentInBytes() + 3)) & 0xffffffffL;
      int  length = (int)getLength();
      int  byte0 = getByteAt(0);
      int  byte1 = getByteAt(1);
!     long id_hash = 0xffffL & (long)idHash.getValue(this.addr);
!     return (id_hash |
!       ((addr_bits ^ (length << 8) ^ ((byte0 << 8) | byte1)) << 16)) & 0xffffffffL;
    }
  
    public boolean equals(byte[] modUTF8Chars) {
      int l = (int) getLength();
      if (l != modUTF8Chars.length) return false;