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

Example 16 with ObjectReference

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

the class Barriers method booleanArrayWrite.

/**
 * Barrier for writes of booleans into arrays (i.e. bastore).
 *
 * @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 booleanArrayWrite(boolean[] ref, int index, boolean value) {
    if (NEEDS_BOOLEAN_GC_WRITE_BARRIER) {
        ObjectReference array = ObjectReference.fromObject(ref);
        Offset offset = Offset.fromIntZeroExtend(index << LOG_BYTES_IN_BOOLEAN);
        Selected.Mutator.get().booleanWrite(array, array.toAddress().plus(offset), value, offset.toWord(), Word.zero(), ARRAY_ELEMENT);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}

Example 17 with ObjectReference

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

the class Barriers method addressFieldWrite.

/**
 * Barrier for writes of Address's 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 addressFieldWrite(Object ref, Address value, Offset offset, int locationMetadata) {
    if (NEEDS_ADDRESS_GC_WRITE_BARRIER) {
        ObjectReference src = ObjectReference.fromObject(ref);
        Selected.Mutator.get().addressWrite(src, src.toAddress().plus(offset), value, offset.toWord(), Word.fromIntZeroExtend(locationMetadata), INSTANCE_FIELD);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}

Example 18 with ObjectReference

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

the class Barriers method intArrayWrite.

/**
 * Barrier for writes of ints into arrays (i.e. iastore).
 *
 * @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 intArrayWrite(int[] ref, int index, int value) {
    if (NEEDS_INT_GC_WRITE_BARRIER) {
        ObjectReference array = ObjectReference.fromObject(ref);
        Offset offset = Offset.fromIntZeroExtend(index << LOG_BYTES_IN_INT);
        Selected.Mutator.get().intWrite(array, array.toAddress().plus(offset), value, offset.toWord(), Word.zero(), ARRAY_ELEMENT);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}

Example 19 with ObjectReference

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

the class Barriers method offsetFieldWrite.

/**
 * Barrier for writes of Offsets 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 offsetFieldWrite(Object ref, Offset value, Offset offset, int locationMetadata) {
    if (NEEDS_OFFSET_GC_WRITE_BARRIER) {
        ObjectReference src = ObjectReference.fromObject(ref);
        Selected.Mutator.get().offsetWrite(src, src.toAddress().plus(offset), value, offset.toWord(), Word.fromIntZeroExtend(locationMetadata), INSTANCE_FIELD);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}

Example 20 with ObjectReference

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

the class DebugUtil method dumpRef.

@Uninterruptible
public static void dumpRef(ObjectReference ref) {
    VM.sysWrite("REF=");
    if (ref.isNull()) {
        VM.sysWriteln("NULL");
        VM.sysWriteln();
        return;
    }
    VM.sysWrite(ref);
    if (!mappedVMRef(ref)) {
        VM.sysWriteln(" (REF OUTSIDE OF HEAP OR NOT MAPPED)");
        return;
    }
    ObjectModel.dumpHeader(ref);
    ObjectReference tib = ObjectReference.fromObject(ObjectModel.getTIB(ref));
    if (!MemoryManager.mightBeTIB(tib)) {
        VM.sysWriteln(" (INVALID TIB: CLASS NOT ACCESSIBLE)");
        return;
    }
    RVMType type = Magic.getObjectType(ref.toObject());
    ObjectReference itype = ObjectReference.fromObject(type);
    VM.sysWrite(" TYPE=");
    VM.sysWrite(itype);
    if (!validType(itype)) {
        VM.sysWriteln(" (INVALID TYPE: CLASS NOT ACCESSIBLE)");
        return;
    }
    VM.sysWrite(" CLASS=");
    VM.sysWrite(type.getDescriptor());
    VM.sysWriteln();
}