Examples with Entrypoint org.vmmagic.pragma.Entrypoint used on opensource projects

Example 66 with Entrypoint

use of org.vmmagic.pragma.Entrypoint in project JikesRVM by JikesRVM.

the class Barriers method byteArrayWrite.

/**
 * Barrier for writes of bytes 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 byteArrayWrite(byte[] ref, int index, byte value) {
    if (NEEDS_BYTE_GC_WRITE_BARRIER) {
        ObjectReference array = ObjectReference.fromObject(ref);
        Offset offset = Offset.fromIntZeroExtend(index);
        Selected.Mutator.get().byteWrite(array, array.toAddress().plus(offset), value, offset.toWord(), Word.zero(), ARRAY_ELEMENT);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}

Example 67 with Entrypoint

use of org.vmmagic.pragma.Entrypoint in project JikesRVM by JikesRVM.

the class Barriers method doubleFieldWrite.

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

Example 68 with Entrypoint

use of org.vmmagic.pragma.Entrypoint in project JikesRVM by JikesRVM.

the class Barriers method charFieldWrite.

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

Example 69 with Entrypoint

use of org.vmmagic.pragma.Entrypoint in project JikesRVM by JikesRVM.

the class Barriers method objectStaticWrite.

/**
 * Barrier for writes of objects from statics (eg putstatic)
 *
 * @param value the new value to be stored
 * @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 objectStaticWrite(Object value, Offset offset, int locationMetadata) {
    if (NEEDS_OBJECT_GC_PUTSTATIC_BARRIER) {
        ObjectReference src = ObjectReference.fromObject(Magic.getJTOC());
        Selected.Mutator.get().objectReferenceNonHeapWrite(src.toAddress().plus(offset), ObjectReference.fromObject(value), offset.toWord(), Word.fromIntZeroExtend(locationMetadata));
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}