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

Example 1 with ImageSection

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

the class DTFJTest method writeObject.

@SuppressWarnings("unchecked")
protected void writeObject(JavaObject obj, long index) throws Exception {
    startTag("<object");
    write(" index=\"" + index + "\"");
    write(" address=\"0x" + Long.toHexString(obj.getID().getAddress()) + "\"");
    write(" size=\"0x" + Long.toHexString(obj.getSize()) + "\"");
    write(">\n");
    writeClass(obj.getJavaClass());
    tag("<toString>" + obj.toString() + "</toString>\n");
    tag("<persistentHashCode>" + obj.getPersistentHashcode() + "</persistentHashCode>\n");
    if (obj.isArray()) {
        tag("<array elementCount=\"0x" + Long.toHexString(obj.getArraySize()) + "\" />\n");
    }
    for (Iterator sections = obj.getSections(); sections.hasNext(); ) {
        ImageSection section = (ImageSection) sections.next();
        writeSection(section);
    }
    endTag("</object>\n");
}

Example 2 with ImageSection

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

the class XKCommand method printSymbol.

private boolean printSymbol(long pointer, long diff, int pointerSize) {
    ImageProcess ip = ctx.getProcess();
    Iterator itModule;
    try {
        itModule = ip.getLibraries();
    } catch (CorruptDataException e) {
        // FIXME
        itModule = null;
    } catch (DataUnavailable e) {
        // FIXME
        itModule = null;
    }
    while (null != itModule && itModule.hasNext()) {
        ImageModule im = (ImageModule) itModule.next();
        Iterator itImageSection = im.getSections();
        while (itImageSection.hasNext()) {
            ImageSection is = (ImageSection) itImageSection.next();
            long startAddr = is.getBaseAddress().getAddress();
            long endAddr = startAddr + is.getSize();
            if (pointer >= startAddr && pointer < endAddr) {
                /* can we find a matching symbol? */
                long maxDifference = pointer - startAddr;
                ImageSymbol bestSymbol = null;
                for (Iterator iter = im.getSymbols(); iter.hasNext(); ) {
                    Object next = iter.next();
                    if (next instanceof CorruptData)
                        continue;
                    ImageSymbol symbol = (ImageSymbol) next;
                    long symbolAddress = symbol.getAddress().getAddress();
                    if (symbolAddress <= pointer && pointer - symbolAddress < maxDifference) {
                        maxDifference = pointer - symbolAddress;
                        bestSymbol = symbol;
                    }
                }
                try {
                    out.print(im.getName());
                } catch (CorruptDataException e) {
                    out.print(Exceptions.getCorruptDataExceptionString());
                }
                out.print("::");
                if (bestSymbol == null) {
                    out.print(is.getName());
                } else {
                    out.print(bestSymbol.getName());
                }
                out.print("+");
                out.print(Long.toString(maxDifference));
                // trying to find it elsewhere in the address space
                return true;
            }
        }
    }
    return false;
}

Example 3 with ImageSection

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

the class J9DDRImageAddressSpace method getImageSections.

public Iterator<?> getImageSections() {
    Collection<? extends IMemoryRange> ranges = as.getMemoryRanges();
    List<ImageSection> sections = new ArrayList<ImageSection>(ranges.size());
    IProcess proc = getPointerProcess();
    // it may be the case that we can't determine the pointer size if there are no processes found in the address space
    if (null == proc) {
        return J9DDRDTFJUtils.emptyIterator();
    }
    for (IMemoryRange thisRange : ranges) {
        J9DDRImageSection section = new J9DDRImageSection(proc, thisRange.getBaseAddress(), thisRange.getSize(), thisRange.getName());
        sections.add(section);
    }
    return sections.iterator();
}

Example 4 with ImageSection

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

the class J9DDRImageThread method getStackSections.

/* (non-Javadoc)
	 * @see com.ibm.dtfj.image.ImageThread#getStackSections()
	 */
public Iterator<?> getStackSections() {
    Collection<? extends IMemoryRange> ranges = thread.getMemoryRanges();
    List<ImageSection> sections = new ArrayList<ImageSection>(ranges.size());
    for (IMemoryRange range : ranges) {
        sections.add(new J9DDRImageSection(process, range.getBaseAddress(), range.getSize(), "stack section at " + Long.toHexString(range.getBaseAddress())));
    }
    return sections.iterator();
}

Example 5 with ImageSection

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

the class J9DDRImageModule method getSections.

/* (non-Javadoc)
	 * @see com.ibm.dtfj.image.ImageModule#getSections()
	 */
@SuppressWarnings("unchecked")
public Iterator getSections() {
    Collection<? extends IMemoryRange> ranges = delegate.getMemoryRanges();
    List<ImageSection> sections = new ArrayList<ImageSection>(ranges.size());
    for (IMemoryRange range : ranges) {
        sections.add(new J9DDRImageSection(process, range.getBaseAddress(), range.getSize(), range.getName()));
    }
    return sections.iterator();
}