Examples with J9UTF8Pointer com.ibm.j9ddr.vm29.pointer.generated.J9UTF8Pointer used on opensource projects

Example 1 with J9UTF8Pointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9UTF8Pointer in project openj9 by eclipse.

the class StackWalkerUtils method swPrintMethod.

public static void swPrintMethod(WalkState walkState, J9MethodPointer method) throws CorruptDataException {
    if (method.notNull()) {
        J9UTF8Pointer className = UNTAGGED_METHOD_CP(method).ramClass().romClass().className();
        J9ROMMethodPointer romMethod = J9_ROM_METHOD_FROM_RAM_METHOD(method);
        J9UTF8Pointer name = romMethod.nameAndSignature().name();
        J9UTF8Pointer sig = romMethod.nameAndSignature().signature();
        swPrintf(walkState, 2, "\tMethod: {0}.{1}{2} !j9method {3}", J9UTF8Helper.stringValue(className), J9UTF8Helper.stringValue(name), J9UTF8Helper.stringValue(sig), method.getHexAddress());
    }
}

Example 2 with J9UTF8Pointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9UTF8Pointer in project openj9 by eclipse.

the class TerseStackWalkerCallbacks method frameWalkFunction.

public FrameCallbackResult frameWalkFunction(J9VMThreadPointer walkThread, WalkState walkState) {
    try {
        if (walkState.method.notNull()) {
            J9MethodPointer method = walkState.method;
            J9UTF8Pointer className = StackWalkerUtils.UNTAGGED_METHOD_CP(method).ramClass().romClass().className();
            J9ROMMethodPointer romMethod = J9_ROM_METHOD_FROM_RAM_METHOD(method);
            J9UTF8Pointer name = romMethod.nameAndSignature().name();
            J9UTF8Pointer sig = romMethod.nameAndSignature().signature();
            StackWalkerUtils.swPrintf(walkState, 0, "\t!j9method {3}   {0}.{1}{2}", J9UTF8Helper.stringValue(className), J9UTF8Helper.stringValue(name), J9UTF8Helper.stringValue(sig), walkState.method.getHexAddress());
            return FrameCallbackResult.KEEP_ITERATING;
        }
        if (walkState.pc.getAddress() == J9SF_FRAME_TYPE_JNI_NATIVE_METHOD) {
            StackWalkerUtils.swPrintf(walkState, 0, "\t                        Native method frame");
        } else if (walkState.pc.getAddress() == J9SF_FRAME_TYPE_GENERIC_SPECIAL) {
            StackWalkerUtils.swPrintf(walkState, 0, "\t                        Generic special frame");
        } else if (walkState.pc.getAddress() == J9SF_FRAME_TYPE_METHODTYPE) {
            StackWalkerUtils.swPrintf(walkState, 0, "\t                        MethodType frame");
        } else {
            if (walkState.pc.getAddress() > J9SF_MAX_SPECIAL_FRAME_TYPE) {
                if (walkState.pc.getAddress() == walkState.walkThread.javaVM().callInReturnPC().getAddress() || walkState.pc.getAddress() == (walkState.walkThread.javaVM().callInReturnPC().getAddress() + 3)) {
                    StackWalkerUtils.swPrintf(walkState, 0, "\t                        JNI call-in frame");
                } else {
                    StackWalkerUtils.swPrintf(walkState, 0, "\t                        unknown frame type {0} *{1}", walkState.pc, walkState.pc.getHexAddress());
                }
            } else {
                StackWalkerUtils.swPrintf(walkState, 0, "\t                        known but unhandled frame type {0}", walkState.pc);
            }
        }
    } catch (CorruptDataException e) {
        e.printStackTrace();
    }
    return FrameCallbackResult.KEEP_ITERATING;
}

Example 3 with J9UTF8Pointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9UTF8Pointer in project openj9 by eclipse.

the class J9BCUtil method j9bcutil_dumpRomClass.

public static void j9bcutil_dumpRomClass(PrintStream out, J9ROMClassPointer romClass, long flags) throws CorruptDataException {
    out.append((String.format("ROM Size: 0x%s (%d)", Long.toHexString(romClass.romSize().longValue()), romClass.romSize().longValue())));
    out.append(nl);
    out.append(String.format("Class Name: %s", J9UTF8Helper.stringValue(romClass.className())));
    out.append(nl);
    if (romClass.superclassName().isNull()) {
        out.append("Superclass Name: <none>");
    } else {
        out.append(String.format("Superclass Name: %s", J9UTF8Helper.stringValue(romClass.superclassName())));
    }
    out.append(nl);
    /* dump the source file name */
    dumpSourceFileName(out, romClass, flags);
    /* dump the simple name */
    dumpSimpleName(out, romClass, flags);
    /* dump the class generic signature */
    dumpGenericSignature(out, romClass, flags);
    /* dump the enclosing method */
    dumpEnclosingMethod(out, romClass, flags);
    out.append(String.format("Sun Access Flags (0x%s): ", Long.toHexString(romClass.modifiers().longValue())));
    dumpModifiers(out, romClass.modifiers().longValue(), MODIFIERSOURCE_CLASS, ONLY_SPEC_MODIFIERS);
    out.append(String.format("J9  Access Flags (0x%s): ", Long.toHexString(romClass.extraModifiers().longValue())));
    dumpClassJ9ExtraModifiers(out, romClass.extraModifiers().longValue());
    out.append(nl);
    out.append(String.format("Class file version: %d.%d", romClass.majorVersion().longValue(), romClass.minorVersion().longValue()));
    out.append(nl);
    out.append(String.format("Instance Shape: 0x%s", Long.toHexString(romClass.instanceShape().longValue())));
    out.append(nl);
    out.append(String.format("Intermediate Class Data (%d bytes): %s", romClass.intermediateClassDataLength().longValue(), Long.toHexString(romClass.intermediateClassData().longValue())));
    out.append(nl);
    out.append(String.format("Maximum Branch Count: %d", romClass.maxBranchCount().longValue()));
    out.append(nl);
    out.append(String.format("Interfaces (%d):" + nl, romClass.interfaceCount().longValue()));
    if (!romClass.interfaceCount().eq(0)) {
        SelfRelativePointer interfaces = romClass.interfaces();
        long interfaceCount = romClass.interfaceCount().longValue();
        for (int i = 0; i < interfaceCount; i++) {
            out.append("  ");
            J9UTF8Pointer interfaceName = J9UTF8Pointer.cast(interfaces.get());
            out.append(J9UTF8Helper.stringValue(interfaceName));
            out.append(nl);
            interfaces = interfaces.add(1);
        }
    }
    J9UTF8Pointer outerClassName = romClass.outerClassName();
    if (!outerClassName.isNull()) {
        out.append("Declaring Class: " + J9UTF8Helper.stringValue(romClass.outerClassName()));
        out.append(nl);
        out.append(String.format("Member Access Flags (0x%s): ", Long.toHexString(romClass.memberAccessFlags().longValue())));
        dumpModifiers(out, romClass.memberAccessFlags().longValue(), MODIFIERSOURCE_CLASS, ONLY_SPEC_MODIFIERS);
        out.append(nl);
        outerClassName = outerClassName.add(1);
    }
    long innerClassCount = romClass.innerClassCount().longValue();
    if (innerClassCount != 0) {
        SelfRelativePointer innerClasses = romClass.innerClasses();
        out.append(String.format("Declared Classes (%d):" + nl, innerClassCount));
        for (int i = 0; i < innerClassCount; i++) {
            J9UTF8Pointer innerClassName = J9UTF8Pointer.cast(innerClasses.get());
            out.append("   " + J9UTF8Helper.stringValue(innerClassName));
            innerClasses = innerClasses.add(1);
        }
    }
    U32 romFieldCount = romClass.romFieldCount();
    out.append(String.format("Fields (%d):" + nl, romFieldCount.longValue()));
    J9ROMFieldShapeIterator iterator = new J9ROMFieldShapeIterator(romClass.romFields(), romFieldCount);
    while (iterator.hasNext()) {
        J9ROMFieldShapePointer currentField = (J9ROMFieldShapePointer) iterator.next();
        if (!currentField.modifiers().bitAnd(J9JavaAccessFlags.J9AccStatic).eq(0)) {
            dumpRomStaticField(out, currentField, flags);
        } else {
            dumpRomField(out, currentField, flags);
        }
        out.append(nl);
    }
    dumpCPShapeDescription(out, romClass, flags);
    long romMethodsCount = romClass.romMethodCount().longValue();
    out.append(String.format("Methods (%d):" + nl, romMethodsCount));
    J9ROMMethodPointer romMethod = romClass.romMethods();
    for (int i = 0; i < romClass.romMethodCount().intValue(); i++) {
        J9BCUtil.j9bcutil_dumpRomMethod(out, romMethod, romClass, flags, 0);
        romMethod = ROMHelp.nextROMMethod(romMethod);
    }
    /* dump source debug extension */
    dumpSourceDebugExtension(out, romClass, flags);
    /* dump annotation info */
    dumpAnnotationInfo(out, romClass, flags);
    /* dump callsite data */
    dumpCallSiteData(out, romClass);
    /* dump split side tables */
    dumpStaticSplitSideTable(out, romClass);
    dumpSpecialSplitSideTable(out, romClass);
}

Example 4 with J9UTF8Pointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9UTF8Pointer in project openj9 by eclipse.

the class J9StaticsCommand method run.

public void run(String command, String[] args, Context context, PrintStream out) throws DDRInteractiveCommandException {
    try {
        if (args.length != 1) {
            CommandUtils.dbgPrint(out, "Usage: !j9statics <classAddress>\n");
            return;
        }
        long address = CommandUtils.parsePointer(args[0], J9BuildFlags.env_data64);
        J9ClassPointer ramClass = J9ClassPointer.cast(address);
        J9ROMClassPointer romClass = ramClass.romClass();
        J9UTF8Pointer className = romClass.className();
        CommandUtils.dbgPrint(out, "Static fields in %s:\n", J9UTF8Helper.stringValue(className));
        Iterator<J9ObjectFieldOffset> ofoIterator = J9ObjectFieldOffsetIterator.J9ObjectFieldOffsetIteratorFor(ramClass, J9ClassHelper.superclass(ramClass), new U32(J9ROMFieldOffsetWalkState.J9VM_FIELD_OFFSET_WALK_INCLUDE_STATIC));
        while (ofoIterator.hasNext()) {
            J9ObjectFieldOffset fieldOffset = ofoIterator.next();
            J9ROMFieldShapePointer field = fieldOffset.getField();
            String name = J9ROMFieldShapeHelper.getName(field);
            String sig = J9ROMFieldShapeHelper.getSignature(field);
            UDATAPointer fieldAddress = ramClass.ramStatics().addOffset(fieldOffset.getOffsetOrAddress());
            switch(sig.charAt(0)) {
                case 'L':
                case '[':
                    CommandUtils.dbgPrint(out, "\t%s %s %s (!j9romstaticstringfieldshape %s) = !j9object %s\n", fieldAddress.getHexAddress(), name, sig, field.getHexAddress(), fieldAddress.at(0).getHexValue());
                    break;
                case 'D':
                    DoublePointer doublePointer = DoublePointer.cast(fieldAddress);
                    CommandUtils.dbgPrint(out, "\t%s %s %s (!j9romstaticdoublefieldshape %s) = %s (%s)\n", fieldAddress.getHexAddress(), name, sig, field.getHexAddress(), doublePointer.getHexValue(), new Double(doublePointer.doubleAt(0)).toString());
                    break;
                case 'F':
                    FloatPointer floatPointer = FloatPointer.cast(fieldAddress);
                    CommandUtils.dbgPrint(out, "\t%s %s %s (!j9romstaticsinglefieldshape %s) = %s (%s)\n", fieldAddress.getHexAddress(), name, sig, field.getHexAddress(), floatPointer.getHexValue(), new Float(floatPointer.floatAt(0)).toString());
                    break;
                case 'J':
                    I64Pointer longPointer = I64Pointer.cast(fieldAddress);
                    CommandUtils.dbgPrint(out, "\t%s %s %s (!j9romstaticdoublefieldshape %s) = %s (%d)\n", fieldAddress.getHexAddress(), name, sig, field.getHexAddress(), longPointer.getHexValue(), longPointer.at(0).longValue());
                    break;
                case 'I':
                    I32Pointer intPointer = I32Pointer.cast(fieldAddress);
                    CommandUtils.dbgPrint(out, "\t%s %s %s (!j9romstaticsinglefieldshape %s) = %s (%d)\n", fieldAddress.getHexAddress(), name, sig, field.getHexAddress(), intPointer.getHexValue(), intPointer.at(0).intValue());
                    break;
                case 'B':
                    I8Pointer bytePointer = I8Pointer.cast(fieldAddress);
                    CommandUtils.dbgPrint(out, "\t%s %s %s (!j9romstaticsinglefieldshape %s) = %s (%s)\n", fieldAddress.getHexAddress(), name, sig, field.getHexAddress(), bytePointer.getHexValue(), bytePointer.at(0).byteValue());
                    break;
                case 'S':
                    I16Pointer shortPointer = I16Pointer.cast(fieldAddress);
                    CommandUtils.dbgPrint(out, "\t%s %s %s (!j9romstaticsinglefieldshape %s) = %s (%d)\n", fieldAddress.getHexAddress(), name, sig, field.getHexAddress(), shortPointer.getHexValue(), shortPointer.at(0).shortValue());
                    break;
                case 'Z':
                    BoolPointer booleanPointer = BoolPointer.cast(fieldAddress);
                    CommandUtils.dbgPrint(out, "\t%s %s %s (!j9romstaticsinglefieldshape %s) = %s (%s)\n", fieldAddress.getHexAddress(), name, sig, field.getHexAddress(), booleanPointer.getHexValue(), booleanPointer.boolAt(0) ? "true" : "false");
                    break;
                default:
                    CommandUtils.dbgPrint(out, "\t%s %s %s (!j9romstaticsinglefieldshape %s) = %s\n", fieldAddress.getHexAddress(), name, sig, field.getHexAddress(), fieldAddress.at(0).getHexValue());
                    break;
            }
        }
    } catch (CorruptDataException e) {
        throw new DDRInteractiveCommandException(e);
    }
}

Example 5 with J9UTF8Pointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9UTF8Pointer in project openj9 by eclipse.

the class VmCheckCommand method verifyUTF8.

private boolean verifyUTF8(J9UTF8Pointer utf8) throws CorruptDataException {
    if (utf8.isNull()) {
        return false;
    }
    UDATA length = new UDATA(utf8.length());
    U8Pointer utf8Data = utf8.dataEA();
    while (length.longValue() > 0) {
        // not used
        U16 temp = new U16(0);
        U32 lengthRead = decodeUTF8CharN(utf8Data, temp, length);
        if (lengthRead.eq(0)) {
            return false;
        }
        length = length.sub(lengthRead);
        utf8Data = utf8Data.addOffset(lengthRead);
    }
    return true;
}