Examples with ObjectReference org.vmmagic.unboxed.ObjectReference used on opensource projects

Example 51 with ObjectReference

use of org.vmmagic.unboxed.ObjectReference in project JikesRVM by JikesRVM.

the class ReferenceValue method processReference.

/**
 * GC-time processing of the contained object.
 * <p>
 * Corresponds to the core of the processReference method of the MMTk ReferenceProcessor
 * for the WEAK reference type.
 *
 * @param trace The MMTk trace
 */
public void processReference(TraceLocal trace) {
    if (cleared)
        return;
    ObjectReference newRef = trace.getForwardedReferent(ref);
    if (Trace.isEnabled(Item.REFERENCES)) {
        Clock.stop();
        Trace.trace(Item.REFERENCES, "Forwarded reference %x: %s reference (%s -> %s)", id, semantics, ObjectModel.getString(ref), ObjectModel.getString(newRef));
        Clock.start();
    }
    ref = newRef;
}

Example 52 with ObjectReference

use of org.vmmagic.unboxed.ObjectReference in project JikesRVM by JikesRVM.

the class StackFrame method dumpRoots.

/**
 * Debug printing support: dump this stack frame and return roots.
 * @param width Output field width
 * @return The collection of roots in this frame
 */
public Collection<ObjectReference> dumpRoots(int width) {
    List<ObjectReference> roots = new ArrayList<ObjectReference>();
    for (int i = 0; i < values.length; i++) {
        Value value = get(i);
        String name = method.getSlotName(i);
        if (value != null && value instanceof ObjectValue) {
            ObjectReference ref = ((ObjectValue) value).getObjectValue();
            System.err.printf(" %s=%s", name, ObjectModel.formatObject(width, ref));
            if (!ref.isNull())
                roots.add(ref);
        }
    }
    return roots;
}

Example 53 with ObjectReference

use of org.vmmagic.unboxed.ObjectReference in project JikesRVM by JikesRVM.

the class StackFrame method objectShadowMap.

/**
 * @return The set of (variable,object-id) pairs
 */
@SuppressWarnings("unused")
private Map<String, Integer> objectShadowMap() {
    Map<String, Integer> result = new HashMap<String, Integer>();
    for (int i = 0; i < size; i++) {
        if (values[i] != null && values[i] instanceof ObjectValue) {
            ObjectReference obj = slotAddress(i).loadObjectReference();
            result.put(method.getSlotName(i), obj.isNull() ? 0 : ObjectModel.getId(obj));
        }
    }
    return result;
}

Example 54 with ObjectReference

use of org.vmmagic.unboxed.ObjectReference in project JikesRVM by JikesRVM.

the class StackFrame method objectMap.

/**
 * @return The set of (variable,object-id) pairs
 */
@SuppressWarnings("unused")
private Map<String, Integer> objectMap() {
    Map<String, Integer> result = new HashMap<String, Integer>();
    for (int i = 0; i < size; i++) {
        if (values[i] != null && values[i] instanceof ObjectValue) {
            ObjectReference obj = values[i].getObjectValue();
            result.put(method.getSlotName(i), obj.isNull() ? 0 : ObjectModel.getId(obj));
        }
    }
    return result;
}

Example 55 with ObjectReference

use of org.vmmagic.unboxed.ObjectReference in project JikesRVM by JikesRVM.

the class Env method dumpThreadRoots.

/**
 * Print the thread roots and add them to a stack for processing.
 */
@Override
public Collection<ObjectReference> dumpThreadRoots(int width) {
    int frameId = 0;
    List<ObjectReference> roots = new ArrayList<ObjectReference>();
    for (StackFrame frame : stack) {
        System.err.printf("  Frame %5d [", frameId++);
        roots.addAll(frame.dumpRoots(width));
        System.err.println(" ]");
    }
    System.err.println();
    return roots;
}