agent/src/share/classes/sun/jvm/hotspot/oops/Array.java

rev 3688 : 7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by:

*** 57,67 ****
  
    private static long headerSizeInBytes() {
      if (headerSize != 0) {
        return headerSize;
      }
!     if (VM.getVM().isCompressedHeadersEnabled()) {
        headerSize = typeSize;
      } else {
        headerSize = VM.getVM().alignUp(typeSize + VM.getVM().getIntSize(),
                                        VM.getVM().getHeapWordSize());
      }
--- 57,67 ----
  
    private static long headerSizeInBytes() {
      if (headerSize != 0) {
        return headerSize;
      }
!     if (VM.getVM().isCompressedKlassPointersEnabled()) {
        headerSize = typeSize;
      } else {
        headerSize = VM.getVM().alignUp(typeSize + VM.getVM().getIntSize(),
                                        VM.getVM().getHeapWordSize());
      }
*** 78,88 ****
  
    private long lengthOffsetInBytes() {
      if (lengthOffsetInBytes != 0) {
        return lengthOffsetInBytes;
      }
!     if (VM.getVM().isCompressedHeadersEnabled()) {
        lengthOffsetInBytes = typeSize - VM.getVM().getIntSize();
      } else {
        lengthOffsetInBytes = typeSize;
      }
      return lengthOffsetInBytes;
--- 78,88 ----
  
    private long lengthOffsetInBytes() {
      if (lengthOffsetInBytes != 0) {
        return lengthOffsetInBytes;
      }
!     if (VM.getVM().isCompressedKlassPointersEnabled()) {
        lengthOffsetInBytes = typeSize - VM.getVM().getIntSize();
      } else {
        lengthOffsetInBytes = typeSize;
      }
      return lengthOffsetInBytes;