Examples with ImageSection com.ibm.dtfj.image.ImageSection used on opensource projects

Example 21 with ImageSection

use of com.ibm.dtfj.image.ImageSection in project openj9 by eclipse.

the class ImageSectionComparator method testEquals.

// getBaseAddress()
// getName()
// getSize()
// isExecutable()
// isReadOnly()
// isShared()
public void testEquals(Object ddrObject, Object jextractObject, int members) {
    ImageSection ddrImageSection = (ImageSection) ddrObject;
    ImageSection jextractImageSection = (ImageSection) jextractObject;
    // getBaseAddress
    if ((BASE_ADDRESS & members) != 0)
        new ImagePointerComparator().testComparatorEquals(ddrImageSection, jextractImageSection, "getBaseAddress");
    // getName()
    if ((NAME & members) != 0)
        testJavaEquals(ddrImageSection, jextractImageSection, "getName");
    // getSize()
    if ((SIZE & members) != 0)
        testJavaEquals(ddrImageSection, jextractImageSection, "getSize");
    // isExecutable()
    if ((IS_EXECUTABLE & members) != 0)
        testJavaEquals(ddrImageSection, jextractImageSection, "isExecutable");
    // isShared()
    if ((IS_SHARED & members) != 0)
        testJavaEquals(ddrImageSection, jextractImageSection, "isShared");
    // isReadOnly()
    if ((IS_READONLY & members) != 0)
        testJavaEquals(ddrImageSection, jextractImageSection, "isReadOnly");
}

Example 22 with ImageSection

use of com.ibm.dtfj.image.ImageSection in project openj9 by eclipse.

the class JavaHeap method setRegions.

public void setRegions(Vector regions) {
    // store the regions
    _heapRegions = regions;
    // now make the sorted index of the subsections within all the regions for faster look-up, later on
    Iterator outer = regions.iterator();
    Vector heapSubRegionSections = new Vector();
    while (outer.hasNext()) {
        JavaHeapRegion region = (JavaHeapRegion) outer.next();
        Iterator sections = region.getSections();
        while (sections.hasNext()) {
            ImageSection section = (ImageSection) sections.next();
            heapSubRegionSections.add(new HeapSubRegionSection(region, section));
        }
    }
    // now sort the sub-regions
    _allSortedRegionSections = (HeapSubRegionSection[]) heapSubRegionSections.toArray(new HeapSubRegionSection[heapSubRegionSections.size()]);
    Arrays.sort(_allSortedRegionSections, new Comparator() {

        public int compare(Object arg0, Object arg1) {
            HeapSubRegionSection one = (HeapSubRegionSection) arg0;
            HeapSubRegionSection two = (HeapSubRegionSection) arg1;
            long delta = one.base() - two.base();
            int result = 0;
            if (delta < 0) {
                result = -1;
            } else if (delta > 0) {
                result = 1;
            }
            return result;
        }
    });
}

Example 23 with ImageSection

use of com.ibm.dtfj.image.ImageSection in project openj9 by eclipse.

the class ImageAddressSpaceBuilder method addImageSection.

public ImageSection addImageSection(String name, long base, long size) {
    ImagePointer basePointer = fImageAddressSpace.getPointer(base);
    ImageSection section = new JCImageSection(name, basePointer, size);
    fImageAddressSpace.addImageSection(section);
    return section;
}

Example 24 with ImageSection

use of com.ibm.dtfj.image.ImageSection in project openj9 by eclipse.

the class PHDJavaHeap method getSections.

public Iterator<ImageSection> getSections() {
    List<ImageSection> c = new ArrayList<ImageSection>();
    // This is the start of the last object
    long last = runtime.maxAddress;
    if (runtime.minAddress <= runtime.maxAddress) {
        ImagePointer objPointer = space.getPointer(last);
        JavaObject lastObj = null;
        try {
            lastObj = getLastObject(objPointer, runtime.maxObjClass, runtime.maxObjLen);
        } catch (IOException e1) {
        // allow to fall through so that jo is null
        }
        try {
            // Find the end of the last object
            if (lastObj != null)
                last += lastObj.getSize();
            ImageSection s = new PHDImageSection(getName(), space.getPointer(runtime.minAddress), last - runtime.minAddress);
            c.add(s);
        } catch (CorruptDataException e) {
            ImageSection s = new PHDImageSection(getName(), space.getPointer(runtime.minAddress), last - runtime.minAddress);
            c.add(s);
            // The object will take some space
            s = new PHDCorruptImageSection("Corrupt " + getName(), objPointer, 8);
            c.add(s);
        }
    }
    if (runtime.minClassAddress <= runtime.maxClassAddress) {
        // Space in heap for class objects
        long last2 = runtime.maxClassAddress;
        ImagePointer objPointer = space.getPointer(last2);
        int insert = c.size();
        ImageSection s;
        try {
            JavaClass jc = runtime.findClass(last2);
            // Make sure the class takes up some room
            long size = 8;
            if (jc != null) {
                JavaObject lastObj = jc.getObject();
                if (lastObj != null && lastObj.getID().equals(jc.getID())) {
                    size = lastObj.getSize();
                }
            }
            last2 += size;
        } catch (CorruptDataException e) {
            s = new PHDCorruptImageSection("Corrupt " + getName(), objPointer, 8);
            c.add(s);
        }
        // Do the object and class object sections overlap, if so combine them
        if (last2 < runtime.minAddress || last < runtime.minClassAddress) {
            s = new PHDImageSection(getName(), space.getPointer(runtime.minClassAddress), last2 - runtime.minClassAddress);
            c.add(insert, s);
        } else {
            long minAddr = Math.min(runtime.minAddress, runtime.minClassAddress);
            long maxAddr = Math.max(last, last2);
            s = new PHDImageSection(getName(), space.getPointer(minAddr), maxAddr - minAddr);
            // Replace with a combined section
            c.set(0, s);
        }
    }
    return c.iterator();
}

Example 25 with ImageSection

use of com.ibm.dtfj.image.ImageSection in project openj9 by eclipse.

the class ClassOutput method printMethods.

public static void printMethods(Iterator methods, PrintStream out) {
    while (methods.hasNext()) {
        JavaMethod jMethod = (JavaMethod) methods.next();
        try {
            out.print("Bytecode range(s): ");
            Iterator imageSections = jMethod.getBytecodeSections();
            boolean firstSectionPassed = false;
            while (imageSections.hasNext()) {
                ImageSection is = (ImageSection) imageSections.next();
                long baseAddress = is.getBaseAddress().getAddress();
                long endAddress = baseAddress + is.getSize();
                if (firstSectionPassed) {
                    out.print(", ");
                }
                out.print(Long.toHexString(baseAddress) + " -- " + Long.toHexString(endAddress));
                firstSectionPassed = true;
            }
            out.print(":  ");
            String signature;
            try {
                out.print(Utils.getMethodModifierString(jMethod));
            } catch (CorruptDataException e) {
                out.print(Exceptions.getCorruptDataExceptionString());
            }
            try {
                signature = jMethod.getSignature();
            } catch (CorruptDataException e) {
                out.print(Exceptions.getCorruptDataExceptionString());
                signature = null;
            }
            if (null != signature) {
                String name = Utils.getReturnValueName(signature);
                if (null == name) {
                    out.print("<unknown>");
                } else {
                    out.print(name);
                }
            }
            out.print(" ");
            out.print(jMethod.getName());
            if (null != signature) {
                String name = Utils.getMethodSignatureName(signature);
                if (null == name) {
                    out.print("<unknown>");
                } else {
                    out.print(name);
                }
            }
            out.print("\n");
        } catch (CorruptDataException cde) {
            out.print("N/A (CorruptDataException occurred)");
        }
    }
}