Examples with U32Pointer com.ibm.j9ddr.vm29.pointer.U32Pointer used on opensource projects

Example 6 with U32Pointer

use of com.ibm.j9ddr.vm29.pointer.U32Pointer in project openj9 by eclipse.

the class RomClassWalker method allSlotsInCPShapeDescriptionDo.

void allSlotsInCPShapeDescriptionDo() throws CorruptDataException {
    int i, count;
    U32Pointer cpShapeDescription = romClass.cpShapeDescription();
    final int romConstantPoolCount = romClass.romConstantPoolCount().intValue();
    count = (romConstantPoolCount + (U32.SIZEOF * 2) - 1) / (U32.SIZEOF * 2);
    classWalkerCallback.addSection(clazz, cpShapeDescription, count * U32.SIZEOF, "cpShapeDescription", true);
    for (i = 0; i < count; i++) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_U32, cpShapeDescription.add(i), "cpShapeDescriptionU32");
    // callbacks.slotCallback(romClass, J9ROM_U32, &cpShapeDescription[i], "cpShapeDescriptionU32", userData);
    }
}

Example 7 with U32Pointer

use of com.ibm.j9ddr.vm29.pointer.U32Pointer in project openj9 by eclipse.

the class RomClassWalker method allSlotsInOptionalInfoDo.

void allSlotsInOptionalInfoDo() throws CorruptDataException {
    U32Pointer optionalInfo = romClass.optionalInfo();
    SelfRelativePointer cursor = SelfRelativePointer.cast(optionalInfo);
    if (romClass.optionalFlags().anyBitsIn(J9NonbuilderConstants.J9_ROMCLASS_OPTINFO_SOURCE_FILE_NAME)) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_ROM_UTF8, cursor, "optionalFileNameUTF8");
        cursor = cursor.add(1);
    }
    if (romClass.optionalFlags().anyBitsIn(J9NonbuilderConstants.J9_ROMCLASS_OPTINFO_GENERIC_SIGNATURE)) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_ROM_UTF8, cursor, "optionalGenSigUTF8");
        cursor = cursor.add(1);
    }
    if (romClass.optionalFlags().anyBitsIn(J9NonbuilderConstants.J9_ROMCLASS_OPTINFO_SOURCE_DEBUG_EXTENSION)) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_ROM_UTF8, cursor, "optionalSourceDebugExtUTF8");
        cursor = cursor.add(1);
    }
    if (romClass.optionalFlags().anyBitsIn(J9NonbuilderConstants.J9_ROMCLASS_OPTINFO_ENCLOSING_METHOD)) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_SRP, cursor, "optionalEnclosingMethodSRP");
        allSlotsInEnclosingObjectDo(J9EnclosingObjectPointer.cast(cursor.get()));
        cursor = cursor.add(1);
    }
    if (romClass.optionalFlags().anyBitsIn(J9NonbuilderConstants.J9_ROMCLASS_OPTINFO_SIMPLE_NAME)) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_ROM_UTF8, cursor, "optionalSimpleNameUTF8");
        cursor = cursor.add(1);
    }
    if (romClass.optionalFlags().allBitsIn(J9NonbuilderConstants.J9_ROMCLASS_OPTINFO_VERIFY_EXCLUDE)) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_U32, cursor, "optionalVerifyExclude");
        cursor = cursor.add(1);
    }
    if (romClass.optionalFlags().allBitsIn(J9NonbuilderConstants.J9_ROMCLASS_OPTINFO_CLASS_ANNOTATION_INFO)) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_SRP, cursor, "classAnnotationsSRP");
        allSlotsInAnnotationDo(U32Pointer.cast(cursor.get()), "classAnnotations");
        cursor = cursor.add(1);
    }
    classWalkerCallback.addSection(clazz, optionalInfo, cursor.getAddress() - optionalInfo.getAddress(), "optionalInfo", true);
}

Example 8 with U32Pointer

use of com.ibm.j9ddr.vm29.pointer.U32Pointer in project openj9 by eclipse.

the class RomClassWalker method allSlotsInROMMethodDo.

private J9ROMMethodPointer allSlotsInROMMethodDo(J9ROMMethodPointer method) throws CorruptDataException {
    U32Pointer cursor;
    addObjectsasSlot(method);
    cursor = ROMHelp.J9_EXTENDED_MODIFIERS_ADDR_FROM_ROM_METHOD(method);
    allSlotsInBytecodesDo(method);
    if (J9ROMMethodHelper.hasExtendedModifiers(method)) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_U32, cursor, "extendedModifiers");
        cursor = cursor.add(1);
    }
    if (J9ROMMethodHelper.hasGenericSignature(method)) {
        classWalkerCallback.addSlot(clazz, SlotType.J9_ROM_UTF8, cursor, "methodUTF8");
        cursor = cursor.add(1);
    }
    if (J9ROMMethodHelper.hasExceptionInfo(method)) {
        J9ExceptionInfoPointer exceptionInfo = J9ExceptionInfoPointer.cast(cursor);
        long exceptionInfoSize = J9ExceptionInfo.SIZEOF + exceptionInfo.catchCount().longValue() * J9ExceptionHandler.SIZEOF + exceptionInfo.throwCount().longValue() * SelfRelativePointer.SIZEOF;
        allSlotsInExceptionInfoDo(exceptionInfo);
        cursor = cursor.addOffset(exceptionInfoSize);
    }
    if (J9ROMMethodHelper.hasMethodAnnotations(method)) {
        cursor = cursor.add(allSlotsInAnnotationDo(cursor, "methodAnnotation"));
    }
    if (J9ROMMethodHelper.hasParameterAnnotations(method)) {
        cursor = cursor.add(allSlotsInAnnotationDo(cursor, "parameterAnnotations"));
    }
    if (J9ROMMethodHelper.hasMethodTypeAnnotations(method)) {
        cursor = cursor.add(allSlotsInAnnotationDo(cursor, "method typeAnnotations"));
    }
    if (J9ROMMethodHelper.hasCodeTypeAnnotations(method)) {
        cursor = cursor.add(allSlotsInAnnotationDo(cursor, "code typeAnnotations"));
    }
    if (J9ROMMethodHelper.hasDefaultAnnotation(method)) {
        cursor = cursor.add(allSlotsInAnnotationDo(cursor, "defaultAnnotation"));
    }
    if (J9ROMMethodHelper.hasDebugInfo(method)) {
        cursor = cursor.add(allSlotsInMethodDebugInfoDo(cursor));
    }
    if (J9ROMMethodHelper.hasStackMap(method)) {
        long stackMapSize = cursor.at(0).longValue();
        U8Pointer stackMap = U8Pointer.cast(cursor.add(1));
        classWalkerCallback.addSection(clazz, cursor, stackMapSize, "stackMap", true);
        classWalkerCallback.addSlot(clazz, SlotType.J9_U32, cursor, "stackMapSize");
        allSlotsInStackMapDo(stackMap);
        cursor = cursor.addOffset(stackMapSize);
    }
    if (J9ROMMethodHelper.hasMethodParameters(method)) {
        cursor = cursor.add(allSlotsInMethodParametersDataDo(cursor));
    }
    return J9ROMMethodPointer.cast(cursor);
}

Example 9 with U32Pointer

use of com.ibm.j9ddr.vm29.pointer.U32Pointer in project openj9 by eclipse.

the class J9BCUtil method dumpCallSiteData.

/**
 * This method is Java implementation of rdump.c#dumpCallSiteData function.
 * This method is called when dumping a ROMClass.
 * This method has only affect for invokedDynamic stuff,
 * for other ROMClasses, there wont be anything to print since their callsite and bsm count are zero.
 *
 * @param out PrintStream to print the user info to the console
 * @param romClass ROMClass address in the dump file.
 *
 * @throws CorruptDataException
 */
private static void dumpCallSiteData(PrintStream out, J9ROMClassPointer romClass) throws CorruptDataException {
    int HEX_RADIX = 16;
    long callSiteCount = romClass.callSiteCount().longValue();
    long bsmCount = romClass.bsmCount().longValue();
    SelfRelativePointer callSiteData = SelfRelativePointer.cast(romClass.callSiteData());
    U16Pointer bsmIndices = U16Pointer.cast(callSiteData.addOffset(4 * callSiteCount));
    if (0 != callSiteCount) {
        out.println(String.format("  Call Sites (%d):\n", callSiteCount));
        for (int i = 0; i < callSiteCount; i++) {
            J9ROMNameAndSignaturePointer nameAndSig = J9ROMNameAndSignaturePointer.cast(callSiteData.add(i).get());
            out.println("    Name: " + J9UTF8Helper.stringValue(nameAndSig.name()));
            out.println("    Signature: " + J9UTF8Helper.stringValue(nameAndSig.signature()));
            out.println("    Bootstrap Method Index: " + bsmIndices.at(i).longValue());
            out.println();
        }
    }
    if (0 != bsmCount) {
        J9ROMConstantPoolItemPointer constantPool = ConstantPoolHelpers.J9_ROM_CP_FROM_ROM_CLASS(romClass);
        U32Pointer cpShapeDescription = romClass.cpShapeDescription();
        U16Pointer bsmDataCursor = bsmIndices.add(callSiteCount);
        out.println(String.format("  Bootstrap Methods (%d):", bsmCount));
        for (int i = 0; i < bsmCount; i++) {
            J9ROMMethodHandleRefPointer methodHandleRef = J9ROMMethodHandleRefPointer.cast(constantPool.add(bsmDataCursor.at(0).longValue()));
            bsmDataCursor = bsmDataCursor.add(1);
            /* methodRef will be either a field or a method ref - they both have the same shape so we can pretend it is always a methodref */
            J9ROMMethodRefPointer methodRef = J9ROMMethodRefPointer.cast(constantPool.add(methodHandleRef.methodOrFieldRefIndex().longValue()));
            J9ROMClassRefPointer classRef = J9ROMClassRefPointer.cast(constantPool.add(methodRef.classRefCPIndex().longValue()));
            J9ROMNameAndSignaturePointer nameAndSig = methodRef.nameAndSignature();
            long bsmArgumentCount = bsmDataCursor.at(0).longValue();
            bsmDataCursor = bsmDataCursor.add(1);
            out.println("    Name: " + J9UTF8Helper.stringValue(classRef.name()) + "." + J9UTF8Helper.stringValue(nameAndSig.name()));
            out.println("    Signature: " + J9UTF8Helper.stringValue(nameAndSig.signature()));
            out.println(String.format("    Bootstrap Method Arguments (%d):", bsmArgumentCount));
            for (; 0 != bsmArgumentCount; bsmArgumentCount--) {
                long argCPIndex = bsmDataCursor.at(0).longValue();
                bsmDataCursor = bsmDataCursor.add(1);
                J9ROMConstantPoolItemPointer item = constantPool.add(argCPIndex);
                long shapeDesc = ConstantPoolHelpers.J9_CP_TYPE(cpShapeDescription, (int) argCPIndex);
                if (shapeDesc == J9CPTYPE_CLASS) {
                    J9ROMClassRefPointer romClassRef = J9ROMClassRefPointer.cast(item);
                    out.println("      Class: " + J9UTF8Helper.stringValue(romClassRef.name()));
                } else if (shapeDesc == J9CPTYPE_STRING) {
                    J9ROMStringRefPointer romStringRef = J9ROMStringRefPointer.cast(item);
                    out.println("      String: " + J9UTF8Helper.stringValue(romStringRef.utf8Data()));
                } else if (shapeDesc == J9CPTYPE_INT) {
                    J9ROMSingleSlotConstantRefPointer singleSlotConstantRef = J9ROMSingleSlotConstantRefPointer.cast(item);
                    out.println("      Int: " + singleSlotConstantRef.data().getHexValue());
                } else if (shapeDesc == J9CPTYPE_FLOAT) {
                    J9ROMSingleSlotConstantRefPointer singleSlotConstantRef = J9ROMSingleSlotConstantRefPointer.cast(item);
                    FloatPointer floatPtr = FloatPointer.cast(singleSlotConstantRef.dataEA());
                    out.println("      Float: " + floatPtr.getHexValue() + " (" + floatPtr.floatAt(0) + ")");
                } else if (shapeDesc == J9CPTYPE_LONG) {
                    String hexValue = "";
                    if (J9BuildFlags.env_littleEndian) {
                        hexValue += item.slot2().getHexValue();
                        hexValue += item.slot1().getHexValue().substring(2);
                    } else {
                        hexValue += item.slot1().getHexValue();
                        hexValue += item.slot2().getHexValue().substring(2);
                    }
                    long longValue = Long.parseLong(hexValue.substring(2), HEX_RADIX);
                    out.println("      Long: " + hexValue + "(" + longValue + ")");
                } else if (shapeDesc == J9CPTYPE_DOUBLE) {
                    String hexValue = "";
                    if (J9BuildFlags.env_littleEndian) {
                        hexValue += item.slot2().getHexValue();
                        hexValue += item.slot1().getHexValue().substring(2);
                    } else {
                        hexValue += item.slot1().getHexValue();
                        hexValue += item.slot2().getHexValue().substring(2);
                    }
                    long longValue = Long.parseLong(hexValue.substring(2), HEX_RADIX);
                    double doubleValue = Double.longBitsToDouble(longValue);
                    out.println("      Double: " + hexValue + "(" + Double.toString(doubleValue) + ")");
                } else if (shapeDesc == J9CPTYPE_FIELD) {
                    J9ROMFieldRefPointer romFieldRef = J9ROMFieldRefPointer.cast(item);
                    classRef = J9ROMClassRefPointer.cast(constantPool.add(romFieldRef.classRefCPIndex()));
                    nameAndSig = romFieldRef.nameAndSignature();
                    out.println("      Field: " + J9UTF8Helper.stringValue(classRef.name()) + "." + J9UTF8Helper.stringValue(nameAndSig.name()) + " " + J9UTF8Helper.stringValue(nameAndSig.signature()));
                } else if ((shapeDesc == J9CPTYPE_INSTANCE_METHOD) || (shapeDesc == J9CPTYPE_STATIC_METHOD) || (shapeDesc == J9CPTYPE_HANDLE_METHOD) || (shapeDesc == J9CPTYPE_INTERFACE_METHOD)) {
                    J9ROMMethodRefPointer romMethodRef = J9ROMMethodRefPointer.cast(item);
                    classRef = J9ROMClassRefPointer.cast(constantPool.add(romMethodRef.classRefCPIndex()));
                    nameAndSig = romMethodRef.nameAndSignature();
                    out.println("      Method: " + J9UTF8Helper.stringValue(classRef.name()) + "." + J9UTF8Helper.stringValue(nameAndSig.name()) + " " + J9UTF8Helper.stringValue(nameAndSig.signature()));
                } else if (shapeDesc == J9CPTYPE_METHOD_TYPE) {
                    J9ROMMethodTypeRefPointer romMethodTypeRef = J9ROMMethodTypeRefPointer.cast(item);
                    out.println("      Method Type: " + J9UTF8Helper.stringValue(J9UTF8Pointer.cast(romMethodTypeRef.signature())));
                } else if (shapeDesc == J9CPTYPE_METHODHANDLE) {
                    methodHandleRef = J9ROMMethodHandleRefPointer.cast(item);
                    methodRef = J9ROMMethodRefPointer.cast(constantPool.add(methodHandleRef.methodOrFieldRefIndex()));
                    classRef = J9ROMClassRefPointer.cast(constantPool.add(methodRef.classRefCPIndex()));
                    nameAndSig = methodRef.nameAndSignature();
                    out.print("      Method Handle: " + J9UTF8Helper.stringValue(classRef.name()) + "." + J9UTF8Helper.stringValue(nameAndSig.name()));
                    long methodType = methodHandleRef.handleTypeAndCpType().rightShift((int) J9DescriptionCpTypeShift).longValue();
                    if ((methodType == MH_REF_GETFIELD) || (methodType == MH_REF_PUTFIELD) || (methodType == MH_REF_GETSTATIC) || (methodType == MH_REF_PUTSTATIC)) {
                        out.print(" ");
                    }
                    out.println(J9UTF8Helper.stringValue(nameAndSig.signature()));
                } else {
                    out.println("      <unknown type>");
                }
            }
        }
    }
}

Example 10 with U32Pointer

use of com.ibm.j9ddr.vm29.pointer.U32Pointer in project openj9 by eclipse.

the class J9BCUtil method dumpAnnotationInfo.

private static void dumpAnnotationInfo(PrintStream out, J9ROMClassPointer romClass, long flags) throws CorruptDataException {
    U32Pointer classAnnotationData = OptInfo.getClassAnnotationsDataForROMClass(romClass);
    U32Pointer classTypeAnnotationData = OptInfo.getClassTypeAnnotationsDataForROMClass(romClass);
    out.append("  Annotation Info:" + nl);
    if (!classAnnotationData.isNull()) {
        U32 length = classAnnotationData.at(0);
        U32Pointer data = classAnnotationData.add(1);
        out.append(String.format("    Class Annotations (%d bytes): %s" + nl, length.intValue(), data.getHexAddress()));
    }
    if (!classTypeAnnotationData.isNull()) {
        U32 length = classTypeAnnotationData.at(0);
        U32Pointer data = classTypeAnnotationData.add(1);
        out.append(String.format("    Class Type Annotations (%d bytes): %s" + nl, length.intValue(), data.getHexAddress()));
    }
    /* print field annotations */
    J9ROMFieldShapeIterator iterator = new J9ROMFieldShapeIterator(romClass.romFields(), romClass.romFieldCount());
    out.append("    Field Annotations:" + nl);
    while (iterator.hasNext()) {
        J9ROMFieldShapePointer currentField = (J9ROMFieldShapePointer) iterator.next();
        U32Pointer fieldAnnotationData = J9ROMFieldShapeHelper.getFieldAnnotationsDataFromROMField(currentField);
        U32Pointer fieldTypeAnnotationData = J9ROMFieldShapeHelper.getFieldTypeAnnotationsDataFromROMField(currentField);
        if (!fieldAnnotationData.isNull()) {
            U32 length = fieldAnnotationData.at(0);
            U32Pointer data = fieldAnnotationData.add(1);
            out.append("     Name: " + J9UTF8Helper.stringValue(currentField.nameAndSignature().name()) + nl);
            out.append("     Signature: " + J9UTF8Helper.stringValue(currentField.nameAndSignature().signature()) + nl);
            out.append(String.format("      Annotations (%d bytes): %s" + nl, length.intValue(), data.getHexAddress()));
        }
        if (!fieldTypeAnnotationData.isNull()) {
            U32 length = fieldTypeAnnotationData.at(0);
            U32Pointer data = fieldTypeAnnotationData.add(1);
            out.append(String.format("      Type Annotations (%d bytes): %s" + nl, length.intValue(), data.getHexAddress()));
        }
    }
    out.append(nl);
    /* print method, parameter and default annotations */
    J9ROMMethodPointer romMethod = romClass.romMethods();
    out.append("    Method Annotations:" + nl);
    for (int i = 0; i < romClass.romMethodCount().intValue(); i++) {
        dumpMethodAnnotations(out, romMethod);
        romMethod = ROMHelp.nextROMMethod(romMethod);
    }
    out.append(nl);
}