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Example 61 with Entrypoint

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

the class Barriers method shortArrayRead.

/**
 * Barrier for loads of shorts from fields of arrays (i.e. saload).
 *
 * @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 short shortArrayRead(short[] ref, int index) {
    if (NEEDS_SHORT_GC_READ_BARRIER) {
        ObjectReference array = ObjectReference.fromObject(ref);
        Offset offset = Offset.fromIntZeroExtend(index << LOG_BYTES_IN_SHORT);
        return Selected.Mutator.get().shortRead(array, array.toAddress().plus(offset), offset.toWord(), Word.zero(), ARRAY_ELEMENT);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
    return 0;
}
Also used : ObjectReference(org.vmmagic.unboxed.ObjectReference) Offset(org.vmmagic.unboxed.Offset) Entrypoint(org.vmmagic.pragma.Entrypoint) Inline(org.vmmagic.pragma.Inline)

Example 62 with Entrypoint

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

the class Barriers method floatFieldWrite.

/**
 * Barrier for writes of floats 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 floatFieldWrite(Object ref, float value, Offset offset, int locationMetadata) {
    if (NEEDS_FLOAT_GC_WRITE_BARRIER) {
        ObjectReference src = ObjectReference.fromObject(ref);
        Selected.Mutator.get().floatWrite(src, src.toAddress().plus(offset), value, offset.toWord(), Word.fromIntZeroExtend(locationMetadata), INSTANCE_FIELD);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}
Also used : ObjectReference(org.vmmagic.unboxed.ObjectReference) Entrypoint(org.vmmagic.pragma.Entrypoint) Inline(org.vmmagic.pragma.Inline)

Example 63 with Entrypoint

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

the class Barriers method objectFieldWrite.

/**
 * Barrier for writes of objects 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 objectFieldWrite(Object ref, Object value, Offset offset, int locationMetadata) {
    if (NEEDS_OBJECT_GC_WRITE_BARRIER) {
        ObjectReference src = ObjectReference.fromObject(ref);
        Selected.Mutator.get().objectReferenceWrite(src, src.toAddress().plus(offset), ObjectReference.fromObject(value), offset.toWord(), Word.fromIntZeroExtend(locationMetadata), INSTANCE_FIELD);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}
Also used : ObjectReference(org.vmmagic.unboxed.ObjectReference) Entrypoint(org.vmmagic.pragma.Entrypoint) Inline(org.vmmagic.pragma.Inline)

Example 64 with Entrypoint

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

the class Barriers method longArrayWrite.

/**
 * Barrier for writes of longs into arrays (i.e. lastore).
 *
 * @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 longArrayWrite(long[] ref, int index, long value) {
    if (NEEDS_LONG_GC_WRITE_BARRIER) {
        ObjectReference array = ObjectReference.fromObject(ref);
        Offset offset = Offset.fromIntZeroExtend(index << LOG_BYTES_IN_LONG);
        Selected.Mutator.get().longWrite(array, array.toAddress().plus(offset), value, offset.toWord(), Word.zero(), ARRAY_ELEMENT);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
}
Also used : ObjectReference(org.vmmagic.unboxed.ObjectReference) Offset(org.vmmagic.unboxed.Offset) Entrypoint(org.vmmagic.pragma.Entrypoint) Inline(org.vmmagic.pragma.Inline)

Example 65 with Entrypoint

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

the class Barriers method charArrayRead.

/**
 * Barrier for loads of chars from fields of arrays (i.e. caload).
 *
 * @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 char charArrayRead(char[] ref, int index) {
    if (NEEDS_CHAR_GC_READ_BARRIER) {
        ObjectReference array = ObjectReference.fromObject(ref);
        Offset offset = Offset.fromIntZeroExtend(index << LOG_BYTES_IN_CHAR);
        return Selected.Mutator.get().charRead(array, array.toAddress().plus(offset), offset.toWord(), Word.zero(), ARRAY_ELEMENT);
    } else if (VM.VerifyAssertions)
        VM._assert(VM.NOT_REACHED);
    return 0;
}
Also used : ObjectReference(org.vmmagic.unboxed.ObjectReference) Offset(org.vmmagic.unboxed.Offset) Entrypoint(org.vmmagic.pragma.Entrypoint) Inline(org.vmmagic.pragma.Inline)

Aggregations

Entrypoint (org.vmmagic.pragma.Entrypoint)69 Inline (org.vmmagic.pragma.Inline)35 ObjectReference (org.vmmagic.unboxed.ObjectReference)33 Offset (org.vmmagic.unboxed.Offset)22 Address (org.vmmagic.unboxed.Address)12 TypeReference (org.jikesrvm.classloader.TypeReference)7 NoInline (org.vmmagic.pragma.NoInline)7 RVMType (org.jikesrvm.classloader.RVMType)6 Unpreemptible (org.vmmagic.pragma.Unpreemptible)6 RVMMethod (org.jikesrvm.classloader.RVMMethod)5 RVMArray (org.jikesrvm.classloader.RVMArray)3 RVMClass (org.jikesrvm.classloader.RVMClass)3 RVMThread (org.jikesrvm.scheduler.RVMThread)3 BaselineSaveLSRegisters (org.vmmagic.pragma.BaselineSaveLSRegisters)3 NoOptCompile (org.vmmagic.pragma.NoOptCompile)3 AbstractRegisters (org.jikesrvm.architecture.AbstractRegisters)2 CompiledMethod (org.jikesrvm.compilers.common.CompiledMethod)2 ForwardReference (org.jikesrvm.compilers.common.assembler.ForwardReference)2 ITable (org.jikesrvm.objectmodel.ITable)2 TIB (org.jikesrvm.objectmodel.TIB)2