Examples with J9RAMMethodRefPointer com.ibm.j9ddr.vm29.pointer.generated.J9RAMMethodRefPointer used on opensource projects

Example 1 with J9RAMMethodRefPointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9RAMMethodRefPointer in project openj9 by eclipse.

the class RamClassWalker method allSlotsInConstantPoolDo.

private void allSlotsInConstantPoolDo() throws CorruptDataException {
    final J9ROMClassPointer romClass = ramClass.romClass();
    final int constPoolCount = romClass.ramConstantPoolCount().intValue();
    final J9ConstantPoolPointer cpp = J9ConstantPoolPointer.cast(ramClass.ramConstantPool());
    U32Pointer cpDescriptionSlots = romClass.cpShapeDescription();
    PointerPointer cpEntry = PointerPointer.cast(ramClass.ramConstantPool());
    long cpDescription = 0;
    long cpEntryCount = ramClass.romClass().ramConstantPoolCount().longValue();
    long cpDescriptionIndex = 0;
    while (cpEntryCount > 0) {
        if (0 == cpDescriptionIndex) {
            // Load a new description word
            cpDescription = cpDescriptionSlots.at(0).longValue();
            cpDescriptionSlots = cpDescriptionSlots.add(1);
            cpDescriptionIndex = J9_CP_DESCRIPTIONS_PER_U32;
        }
        /*
			 * A switch statement can't be used on long type, it might be
			 * erroneous to cast it to an int as it might change in the future.
			 */
        long slotType = cpDescription & J9_CP_DESCRIPTION_MASK;
        if ((slotType == J9CPTYPE_STRING) || (slotType == J9CPTYPE_ANNOTATION_UTF8)) {
            J9RAMStringRefPointer ref = J9RAMStringRefPointer.cast(cpEntry);
            classWalkerCallback.addSlot(clazz, SlotType.J9_RAM_UTF8, ref.stringObjectEA(), "stringObject");
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.unusedEA(), "unused");
            if (slotType == J9CPTYPE_STRING) {
                classWalkerCallback.addSection(clazz, ref, J9RAMStringRef.SIZEOF, "J9CPTYPE_STRING", false);
            } else {
                classWalkerCallback.addSection(clazz, ref, J9RAMStringRef.SIZEOF, "J9CPTYPE_ANNOTATION_UTF8", false);
            }
        } else if (slotType == J9CPTYPE_METHOD_TYPE) {
            J9RAMMethodTypeRefPointer ref = J9RAMMethodTypeRefPointer.cast(cpEntry);
            J9ObjectPointer slot = ref.type();
            if (slot.notNull()) {
                classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.typeEA(), "type", "!j9object");
            } else {
                classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.typeEA(), "type");
            }
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.slotCountEA(), "slotCount");
            classWalkerCallback.addSection(clazz, ref, J9RAMMethodTypeRef.SIZEOF, "J9CPTYPE_METHOD_TYPE", false);
        } else if (slotType == J9CPTYPE_METHODHANDLE) {
            J9RAMMethodHandleRefPointer ref = J9RAMMethodHandleRefPointer.cast(cpEntry);
            J9ObjectPointer slot = ref.methodHandle();
            if (slot.notNull()) {
                classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.methodHandleEA(), "methodHandle", "!j9object");
            } else {
                classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.methodHandleEA(), "methodHandle");
            }
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.unusedEA(), "unused");
            classWalkerCallback.addSection(clazz, ref, J9RAMMethodHandleRef.SIZEOF, "J9CPTYPE_METHODHANDLE", false);
        } else if (slotType == J9CPTYPE_CLASS) {
            J9RAMClassRefPointer ref = J9RAMClassRefPointer.cast(cpEntry);
            if (ref.value().notNull()) {
                classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.valueEA(), "value", "!j9class");
            } else {
                classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.valueEA(), "value");
            }
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.modifiersEA(), "modifiers");
            classWalkerCallback.addSection(clazz, ref, J9RAMClassRef.SIZEOF, "J9CPTYPE_CLASS", false);
        } else if (slotType == J9CPTYPE_INT) {
            J9RAMConstantRefPointer ref = J9RAMConstantRefPointer.cast(cpEntry);
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.slot1EA(), "cpFieldInt");
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.slot2EA(), "cpFieldIntUnused");
            classWalkerCallback.addSection(clazz, ref, J9RAMConstantRef.SIZEOF, "J9CPTYPE_INT", false);
        } else if (slotType == J9CPTYPE_FLOAT) {
            J9RAMConstantRefPointer ref = J9RAMConstantRefPointer.cast(cpEntry);
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.slot1EA(), "cpFieldFloat");
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.slot2EA(), "cpFieldIntUnused");
            classWalkerCallback.addSection(clazz, ref, J9RAMConstantRef.SIZEOF, "J9CPTYPE_FLOAT", false);
        } else if (slotType == J9CPTYPE_LONG) {
            J9RAMConstantRefPointer ref = J9RAMConstantRefPointer.cast(cpEntry);
            classWalkerCallback.addSlot(clazz, SlotType.J9_I64, I64Pointer.cast(cpEntry), "J9CPTYPE_LONG");
            classWalkerCallback.addSection(clazz, ref, J9RAMConstantRef.SIZEOF, "J9CPTYPE_LONG", false);
        } else if (slotType == J9CPTYPE_DOUBLE) {
            J9RAMConstantRefPointer ref = J9RAMConstantRefPointer.cast(cpEntry);
            classWalkerCallback.addSlot(clazz, SlotType.J9_I64, I64Pointer.cast(cpEntry), "J9CPTYPE_DOUBLE");
            classWalkerCallback.addSection(clazz, ref, I64.SIZEOF, "J9CPTYPE_DOUBLE", false);
        } else if (slotType == J9CPTYPE_FIELD) {
            J9RAMFieldRefPointer ref = J9RAMFieldRefPointer.cast(cpEntry);
            J9RAMStaticFieldRefPointer staticRef = J9RAMStaticFieldRefPointer.cast(cpEntry);
            /* if the field ref is resolved static, it has 'flagsAndClass', for other cases (unresolved and resolved instance) it has 'flags'. */
            if ((staticRef.flagsAndClass().longValue() > 0) && (staticRef.valueOffset().longValue() != -1)) {
                classWalkerCallback.addSlot(clazz, SlotType.J9_IDATA, staticRef.flagsAndClassEA(), "flagsAndClass");
            } else {
                classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.flagsEA(), "flags");
            }
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.valueOffsetEA(), "valueOffset");
            classWalkerCallback.addSection(clazz, ref, J9RAMFieldRef.SIZEOF, "J9CPTYPE_FIELD", false);
        } else if (slotType == J9CPTYPE_INTERFACE_METHOD) {
            J9RAMInterfaceMethodRefPointer ref = J9RAMInterfaceMethodRefPointer.cast(cpEntry);
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.interfaceClassEA(), "interfaceClass", "!j9class");
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.methodIndexAndArgCountEA(), "methodIndexAndArgCount");
            classWalkerCallback.addSection(clazz, ref, J9RAMInterfaceMethodRef.SIZEOF, "J9CPTYPE_INTERFACE_METHOD", false);
        } else if (slotType == J9CPTYPE_STATIC_METHOD) {
            J9RAMStaticMethodRefPointer ref = J9RAMStaticMethodRefPointer.cast(cpEntry);
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.methodEA(), "method", "!j9method");
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.methodIndexAndArgCountEA(), "unused");
            classWalkerCallback.addSection(clazz, ref, J9RAMStaticMethodRef.SIZEOF, "J9CPTYPE_STATIC_METHOD", false);
        } else if ((slotType == J9CPTYPE_UNUSED) || (slotType == J9CPTYPE_UNUSED8)) {
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, cpEntry, "unused");
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, cpEntry.add(1), "unused");
            classWalkerCallback.addSection(clazz, cpEntry, 2 * UDATA.SIZEOF, "J9CPTYPE_UNUSED", false);
        } else if (slotType == J9CPTYPE_INSTANCE_METHOD) {
            J9RAMMethodRefPointer ref = J9RAMMethodRefPointer.cast(cpEntry);
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.methodIndexAndArgCountEA(), "methodIndexAndArgCount");
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.methodEA(), "method", "!j9method");
            classWalkerCallback.addSection(clazz, ref, J9RAMMethodRef.SIZEOF, "J9CPTYPE_INSTANCE_METHOD", false);
        } else if (slotType == J9CPTYPE_HANDLE_METHOD) {
            J9RAMMethodRefPointer ref = J9RAMMethodRefPointer.cast(cpEntry);
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.methodIndexAndArgCountEA(), "methodTypeIndexAndArgCount");
            classWalkerCallback.addSlot(clazz, SlotType.J9_UDATA, ref.methodEA(), "unused");
            classWalkerCallback.addSection(clazz, ref, J9RAMMethodRef.SIZEOF, "J9CPTYPE_HANDLE_METHOD", false);
        }
        cpEntry = cpEntry.addOffset(J9RAMConstantPoolItem.SIZEOF);
        cpEntryCount -= 1;
        cpDescription >>= J9_CP_BITS_PER_DESCRIPTION;
        cpDescriptionIndex -= 1;
    }
    // The spaces at the end of "Constant Pool" are important since the
    // regions are sorted
    // by address and size, but when they are equal they are sorted by
    // longest name and "Constant Pool" has to come first
    classWalkerCallback.addSection(clazz, cpp, constPoolCount * 2 * UDATA.SIZEOF, "Constant Pool               ", false);
}