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

Example 1 with ObjectReference

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

the class BootImageWriter method getWordValue.

private static Word getWordValue(Object addr, String msg, boolean warn) {
    if (addr == null)
        return Word.zero();
    Word value = Word.zero();
    if (addr instanceof Address) {
        value = ((Address) addr).toWord();
    } else if (addr instanceof ObjectReference) {
        value = ((ObjectReference) addr).toAddress().toWord();
    } else if (addr instanceof Word) {
        value = (Word) addr;
    } else if (addr instanceof Extent) {
        value = ((Extent) addr).toWord();
    } else if (addr instanceof Offset) {
        value = ((Offset) addr).toWord();
    } else {
        say("Unhandled supposed address value: " + addr);
        say(msg);
        fail("incomplete boot image support");
    }
    if (warn)
        check(value, msg);
    return value;
}

Example 2 with ObjectReference

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

the class Barriers method byteFieldWrite.

/**
 * Barrier for writes of bytes into fields of instances (i.e. putfield).
 *
 * @param ref the object which is the subject of the putfield
 * @param value the new value for the field
 * @param offset the offset of the field to be modified
 * @param locationMetadata an int that encodes the source location being modified
 */
@Inline
@Entrypoint
public static void byteFieldWrite(Object ref, byte value, Offset offset, int locationMetadata) {
    if (NEEDS_BYTE_GC_WRITE_BARRIER) {
        ObjectReference src = ObjectReference.fromObject(ref);
        Selected.Mutator.get().byteWrite(src, src.toAddress().plus(offset), value, offset.toWord(), Word.fromIntZeroExtend(locationMetadata), INSTANCE_FIELD);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}

Example 3 with ObjectReference

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

the class Barriers method floatArrayRead.

/**
 * Barrier for loads of floats from fields of arrays (i.e. faload).
 *
 * @param ref the array containing the reference.
 * @param index the index into the array were the reference resides.
 * @return the value read from the array
 */
@Inline
@Entrypoint
public static float floatArrayRead(float[] ref, int index) {
    if (NEEDS_FLOAT_GC_READ_BARRIER) {
        ObjectReference array = ObjectReference.fromObject(ref);
        Offset offset = Offset.fromIntZeroExtend(index << LOG_BYTES_IN_FLOAT);
        return Selected.Mutator.get().floatRead(array, array.toAddress().plus(offset), offset.toWord(), Word.zero(), ARRAY_ELEMENT);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
    return 0;
}

Example 4 with ObjectReference

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

the class Barriers method floatArrayWrite.

/**
 * Barrier for writes of floats into arrays (i.e. fastore).
 *
 * @param ref the array which is the subject of the astore
 * @param index the index into the array where the new reference
 * resides.  The index is the "natural" index into the array, for
 * example a[index].
 * @param value the value to be stored.
 */
@Inline
@Entrypoint
public static void floatArrayWrite(float[] ref, int index, float value) {
    if (NEEDS_FLOAT_GC_WRITE_BARRIER) {
        ObjectReference array = ObjectReference.fromObject(ref);
        Offset offset = Offset.fromIntZeroExtend(index << LOG_BYTES_IN_FLOAT);
        Selected.Mutator.get().floatWrite(array, array.toAddress().plus(offset), value, offset.toWord(), Word.zero(), ARRAY_ELEMENT);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}

Example 5 with ObjectReference

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

the class Barriers method objectArrayWrite.

/**
 * Barrier for writes of objects into arrays (i.e. aastore).
 *
 * @param ref the array which is the subject of the astore
 * @param index the index into the array where the new reference
 * resides.  The index is the "natural" index into the array, for
 * example a[index].
 * @param value the value to be stored.
 */
@Inline
@Entrypoint
public static void objectArrayWrite(Object[] ref, int index, Object value) {
    if (NEEDS_OBJECT_GC_WRITE_BARRIER) {
        ObjectReference array = ObjectReference.fromObject(ref);
        Offset offset = Offset.fromIntZeroExtend(index << LOG_BYTES_IN_ADDRESS);
        Selected.Mutator.get().objectReferenceWrite(array, array.toAddress().plus(offset), ObjectReference.fromObject(value), offset.toWord(), Word.zero(), ARRAY_ELEMENT);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}