Examples with U32 com.ibm.j9ddr.vm29.types.U32 used on opensource projects

Example 36 with U32

use of com.ibm.j9ddr.vm29.types.U32 in project openj9 by eclipse.

the class StructurePointer method getU32Bitfield.

protected U32 getU32Bitfield(int s, int b) throws CorruptDataException {
    int cell = s / StructureReader.BIT_FIELD_CELL_SIZE;
    U32 cellValue = new U32(getIntAtOffset(cell * StructureReader.BIT_FIELD_CELL_SIZE / 8));
    int n = getStartingBit(s, b);
    U32 returnValue = cellValue.leftShift(StructureReader.BIT_FIELD_CELL_SIZE - n);
    returnValue = returnValue.rightShift(StructureReader.BIT_FIELD_CELL_SIZE - b);
    return returnValue;
}

Example 37 with U32

use of com.ibm.j9ddr.vm29.types.U32 in project openj9 by eclipse.

the class RomClassWalker method allSlotsInROMFieldDo.

private int allSlotsInROMFieldDo(J9ROMFieldShapePointer field) throws CorruptDataException {
    int fieldLength = 0;
    U32Pointer initialValue;
    U32 modifiers;
    J9ROMNameAndSignaturePointer fieldNAS = field.nameAndSignature();
    classWalkerCallback.addSlot(clazz, SlotType.J9_ROM_UTF8, fieldNAS.nameEA(), "name");
    classWalkerCallback.addSlot(clazz, SlotType.J9_ROM_UTF8, fieldNAS.signatureEA(), "signature");
    classWalkerCallback.addSlot(clazz, SlotType.J9_U32, field.modifiersEA(), "modifiers");
    modifiers = field.modifiers();
    initialValue = U32Pointer.cast(field.add(1));
    if (modifiers.anyBitsIn(J9FieldFlagConstant)) {
        if (modifiers.anyBitsIn(J9FieldSizeDouble)) {
            classWalkerCallback.addSlot(clazz, SlotType.J9_I64, I64Pointer.cast(initialValue), "fieldInitialValue");
            initialValue = initialValue.add(2);
        } else {
            classWalkerCallback.addSlot(clazz, SlotType.J9_I32, initialValue, "fieldInitialValue");
            initialValue = initialValue.add(1);
        }
    }
    if (modifiers.anyBitsIn(J9FieldFlagHasGenericSignature)) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_ROM_UTF8, initialValue, "fieldGenSigUTF8");
        initialValue = initialValue.add(1);
    }
    if (modifiers.allBitsIn(J9FieldFlagHasFieldAnnotations)) {
        initialValue = initialValue.add(allSlotsInAnnotationDo(initialValue, "fieldAnnotation"));
    }
    fieldLength = (int) (initialValue.getAddress() - field.getAddress());
    classWalkerCallback.addSection(clazz, field, fieldLength, "field", true);
    return fieldLength;
}

Example 38 with U32

use of com.ibm.j9ddr.vm29.types.U32 in project openj9 by eclipse.

the class OMRMemCategoryHelper method visitMemoryCategoryChildren.

/**
 * Performs a depth-first walk of all the children of startNode, starting with startNode itself
 * @param startNode Node to start walking from
 * @param visitor Visitor object
 */
public static void visitMemoryCategoryChildren(OMRMemCategoryPointer startNode, IOMRMemCategoryVisitor visitor) throws CorruptDataException {
    visitor.visit(startNode);
    final int numberOfChildren = startNode.numberOfChildren().intValue();
    for (int i = 0; i < numberOfChildren; i++) {
        U32 childCode = startNode.children().at(i);
        OMRMemCategoryPointer child = getMemoryCategory(childCode);
        /* getMemoryCategory will map codes to the unknown code if necessary. If we've mapped to another category code,
			 * we don't want to iterate to it
			 */
        if (child.categoryCode().eq(childCode)) {
            visitMemoryCategoryChildren(child, visitor);
        } else {
            U32 thisCategoryCode = null;
            try {
                thisCategoryCode = startNode.categoryCode();
            } catch (CorruptDataException ex) {
            }
            if (thisCategoryCode == null) {
                throw new CorruptDataException("Bad memory category child relationship. Memory Category at " + startNode.getHexAddress() + " references unknown memory category code " + childCode);
            } else {
                throw new CorruptDataException("Bad memory category child relationship. Memory Category at " + startNode.getHexAddress() + " code " + thisCategoryCode + " references unknown memory category code " + childCode);
            }
        }
    }
}

Example 39 with U32

use of com.ibm.j9ddr.vm29.types.U32 in project openj9 by eclipse.

the class J9ROMMethodHelper method hasMethodTypeAnnotations.

public static boolean hasMethodTypeAnnotations(J9ROMMethodPointer method) throws CorruptDataException {
    boolean result = false;
    if (0 != romHelpVersion) {
        U32 extendedModifiers = getExtendedModifiersDataFromROMMethod(method);
        result = extendedModifiers.allBitsIn(J9CfrClassFile.CFR_METHOD_EXT_HAS_METHOD_TYPE_ANNOTATIONS);
    } else {
        result = method.modifiers().allBitsIn(J9JavaAccessFlags.J9AccMethodHasTypeAnnotations);
    /* J9AccMethodHasExtendedModifiers was J9AccMethodHasTypeAnnotations */
    }
    return result;
}

Example 40 with U32

use of com.ibm.j9ddr.vm29.types.U32 in project openj9 by eclipse.

the class J9ROMMethodHelper method hasCodeTypeAnnotations.

public static boolean hasCodeTypeAnnotations(J9ROMMethodPointer method) throws CorruptDataException {
    boolean result = false;
    if (0 != romHelpVersion) {
        U32 extendedModifiers = getExtendedModifiersDataFromROMMethod(method);
        result = extendedModifiers.allBitsIn(J9CfrClassFile.CFR_METHOD_EXT_HAS_CODE_TYPE_ANNOTATIONS);
    }
    return result;
}