Examples with ReferenceAccess com.oracle.svm.core.heap.ReferenceAccess used on opensource projects

Example 1 with ReferenceAccess

use of com.oracle.svm.core.heap.ReferenceAccess in project graal by oracle.

the class ObjectHeaderImpl method dynamicHubFromObjectHeader.

@Override
@Uninterruptible(reason = "Called from uninterruptible code.", mayBeInlined = true)
public DynamicHub dynamicHubFromObjectHeader(UnsignedWord header) {
    UnsignedWord pointerBits = clearBits(header);
    Object objectValue;
    ReferenceAccess referenceAccess = ReferenceAccess.singleton();
    if (referenceAccess.haveCompressedReferences()) {
        UnsignedWord compressedBits = pointerBits.unsignedShiftRight(getCompressionShift());
        objectValue = referenceAccess.uncompressReference(compressedBits);
    } else {
        objectValue = ((Pointer) pointerBits).toObject();
    }
    return (DynamicHub) objectValue;
}