Examples with J9DDRImageFactory com.ibm.j9ddr.view.dtfj.image.J9DDRImageFactory used on opensource projects

Example 1 with J9DDRImageFactory

use of com.ibm.j9ddr.view.dtfj.image.J9DDRImageFactory in project openj9 by eclipse.

the class DTFJWalker method walkCoreFile.

public void walkCoreFile(File file) {
    // the factory will have to be on the classpath as it is in the same jar as this class
    J9DDRImageFactory factory = new J9DDRImageFactory();
    Image image = null;
    try {
        image = factory.getImage(file);
    } catch (IOException e) {
        System.err.println("Failed to create an Image from the core file : " + e.getMessage());
        logger.log(Level.WARNING, "Failed to create Image from core file", e);
        return;
    }
    try {
        Method iterator = image.getClass().getDeclaredMethod("getAddressSpaces", (Class[]) null);
        iterate(image, iterator, 100);
    } catch (Exception e) {
        System.err.println("Failed to get address space iterator method : " + e.getMessage());
        logger.log(Level.WARNING, "Failed to get address space iterator method", e);
        return;
    }
    System.out.println("Walk complete");
    showResults();
}

Example 2 with J9DDRImageFactory

use of com.ibm.j9ddr.view.dtfj.image.J9DDRImageFactory in project openj9 by eclipse.

the class DDRLibraryAdapter method constructLibraryList.

/**
 * Constructs the list of libraries required using the DDR implementation of the DTFJ Image* API.
 * This ensures that the correct classloading is used for determining which libraries to collect.
 * @param coreFile core file to process
 */
@SuppressWarnings({ "unchecked" })
private void constructLibraryList(final File coreFile) {
    moduleNames = new ArrayList<String>();
    ImageFactory factory = new J9DDRImageFactory();
    final Image image;
    final boolean isAIX;
    try {
        image = factory.getImage(coreFile);
        isAIX = image.getSystemType().toLowerCase().startsWith("aix");
    } catch (IOException e) {
        logger.log(SEVERE, "Could not open core file", e);
        errorMessages.add(e.getMessage());
        return;
    } catch (CorruptDataException e) {
        logger.log(SEVERE, "Could not determine system type", e);
        errorMessages.add(e.getMessage());
        return;
    } catch (DataUnavailable e) {
        logger.log(SEVERE, "Could not determine system type", e);
        errorMessages.add(e.getMessage());
        return;
    }
    for (Iterator spaces = image.getAddressSpaces(); spaces.hasNext(); ) {
        ImageAddressSpace space = (ImageAddressSpace) spaces.next();
        for (Iterator procs = space.getProcesses(); procs.hasNext(); ) {
            ImageProcess proc = (ImageProcess) procs.next();
            try {
                // add the executable to the list of libraries to be collected
                ImageModule exe = proc.getExecutable();
                moduleNames.add(exe.getName());
                for (Iterator libraries = proc.getLibraries(); libraries.hasNext(); ) {
                    ImageModule module = (ImageModule) libraries.next();
                    String key = null;
                    try {
                        // handle CDE thrown by getName(), as this is required further on this call needs to succeed
                        if (isAIX) {
                            key = module.getName();
                            // check on AIX if module is the .a file or library
                            int pos = key.indexOf(".a(");
                            if ((pos != -1) && (key.lastIndexOf(')') == key.length() - 1)) {
                                key = key.substring(0, pos + 2);
                            }
                        } else {
                            key = module.getName();
                        }
                        logger.fine("Module : " + key);
                        if (!moduleNames.contains(key)) {
                            // don't store duplicate libraries
                            moduleNames.add(key);
                        }
                    } catch (Exception e) {
                        logger.log(WARNING, "Error getting module name", e);
                    }
                }
            } catch (DataUnavailable e) {
                logger.log(WARNING, "Error getting library list", e);
                errorMessages.add(e.getMessage());
            } catch (com.ibm.dtfj.image.CorruptDataException e) {
                logger.log(WARNING, "Error getting library list", e);
                errorMessages.add(e.getMessage());
            }
        }
    }
}

Example 3 with J9DDRImageFactory

use of com.ibm.j9ddr.view.dtfj.image.J9DDRImageFactory in project openj9 by eclipse.

the class DTFJKickTyres method main.

/**
 * @param args
 */
public static void main(String[] args) throws Exception {
    boolean useJExtract = false;
    if (args.length > 1) {
        if (args[1].toLowerCase().trim().equals("jextract")) {
            useJExtract = true;
        }
    }
    ImageFactory factory = null;
    if (useJExtract) {
        try {
            Class<?> jxfactoryclass = Class.forName("com.ibm.dtfj.image.j9.ImageFactory");
            factory = (ImageFactory) jxfactoryclass.newInstance();
        } catch (Exception e) {
            System.out.println("Could not create a jextract based implementation of ImageFactory");
            e.printStackTrace();
            System.exit(1);
        }
    } else {
        factory = new J9DDRImageFactory();
    }
    Image img = factory.getImage(new File(args[0]));
    Iterator<?> addressSpaceIt = img.getAddressSpaces();
    while (addressSpaceIt.hasNext()) {
        ImageAddressSpace as = (ImageAddressSpace) addressSpaceIt.next();
        Iterator<?> processIt = as.getProcesses();
        while (processIt.hasNext()) {
            ImageProcess process = (ImageProcess) processIt.next();
            System.err.println("Got process " + process);
            try {
                System.err.println("Command line was " + process.getCommandLine());
            } catch (Throwable t) {
                t.printStackTrace();
            }
            try {
                System.err.println("Executable was: " + process.getExecutable());
            } catch (Throwable t) {
                t.printStackTrace();
            }
            try {
                System.err.println("Modules were:");
                Iterator<?> it = process.getLibraries();
                if (!it.hasNext()) {
                    System.err.println("No modules!");
                }
                while (it.hasNext()) {
                    ImageModule module = (ImageModule) it.next();
                    System.err.println("* " + module.getName());
                    Iterator<?> symIt = module.getSymbols();
                    while (symIt.hasNext()) {
                        Object symObj = symIt.next();
                        if (symObj instanceof ImageSymbol) {
                            ImageSymbol sym = (ImageSymbol) symObj;
                            if (sym.getName().toLowerCase().contains("environ")) {
                                System.err.println("X sym " + sym.getName() + " = " + sym.getAddress());
                            }
                        }
                    }
                }
            } catch (Throwable t) {
                t.printStackTrace();
            }
            try {
                Properties env = process.getEnvironment();
                System.err.println("Environment");
                for (Object key : env.keySet()) {
                    System.err.println(key + " = " + env.getProperty((String) key));
                }
            } catch (Throwable t) {
                t.printStackTrace();
            }
            Iterator<?> runtimeIt = process.getRuntimes();
            while (runtimeIt.hasNext()) {
                JavaRuntime runtime = (JavaRuntime) runtimeIt.next();
                System.err.println("Got runtime: " + runtime);
                JavaVMInitArgs initArgs = runtime.getJavaVMInitArgs();
                Iterator<?> optionsIt = initArgs.getOptions();
                System.err.println("Options:");
                while (optionsIt.hasNext()) {
                    Object optionObj = optionsIt.next();
                    if (optionObj instanceof JavaVMOption) {
                        JavaVMOption option = (JavaVMOption) optionObj;
                        System.err.println("* " + option.getOptionString());
                    }
                }
            }
        }
    }
}

Example 4 with J9DDRImageFactory

use of com.ibm.j9ddr.view.dtfj.image.J9DDRImageFactory in project openj9 by eclipse.

the class DumpImageMemoryRanges method main.

/**
 * @param args
 */
public static void main(String[] args) throws Exception {
    String fileName = args[0];
    boolean useJExtract = false;
    if (args.length > 1) {
        if (args[1].toLowerCase().trim().equals("jextract")) {
            useJExtract = true;
        }
    }
    ImageFactory factory = null;
    if (useJExtract) {
        try {
            Class<?> jxfactoryclass = Class.forName("com.ibm.dtfj.image.j9.ImageFactory");
            factory = (ImageFactory) jxfactoryclass.newInstance();
        } catch (Exception e) {
            System.out.println("Could not create a jextract based implementation of ImageFactory");
            e.printStackTrace();
            System.exit(1);
        }
    } else {
        factory = new J9DDRImageFactory();
    }
    Image img = factory.getImage(new File(fileName));
    Iterator<?> addressSpaceIt = img.getAddressSpaces();
    while (addressSpaceIt.hasNext()) {
        Object addressSpaceObj = addressSpaceIt.next();
        if (addressSpaceObj instanceof ImageAddressSpace) {
            ImageAddressSpace as = (ImageAddressSpace) addressSpaceObj;
            System.err.println("Address space " + as);
            List<ImageSection> imageSections = new LinkedList<ImageSection>();
            Iterator<?> isIt = as.getImageSections();
            while (isIt.hasNext()) {
                Object isObj = isIt.next();
                if (isObj instanceof ImageSection) {
                    ImageSection thisIs = (ImageSection) isObj;
                    imageSections.add(thisIs);
                } else {
                    System.err.println("Weird image section object: " + isObj + ", class = " + isObj.getClass().getName());
                }
            }
            Collections.sort(imageSections, new Comparator<ImageSection>() {

                public int compare(ImageSection object1, ImageSection object2) {
                    int baseResult = Long.signum(object1.getBaseAddress().getAddress() - object2.getBaseAddress().getAddress());
                    if (baseResult == 0) {
                        return Long.signum(object1.getSize() - object2.getSize());
                    } else {
                        return baseResult;
                    }
                }
            });
            for (ImageSection thisIs : imageSections) {
                System.err.println("0x" + Long.toHexString(thisIs.getBaseAddress().getAddress()) + " - " + "0x" + Long.toHexString(thisIs.getBaseAddress().getAddress() + thisIs.getSize() - 1));
            }
        } else {
            System.err.println("Weird address space object: " + addressSpaceObj + " class = " + addressSpaceObj.getClass().getName());
        }
    }
}

Example 5 with J9DDRImageFactory

use of com.ibm.j9ddr.view.dtfj.image.J9DDRImageFactory in project openj9 by eclipse.

the class ImageCreator method createProcessImage.

/* (non-Javadoc)
	 * @see com.ibm.dtfj.tck.api.IImageCreator#createProcessImage(com.ibm.dtfj.tck.api.TCKConfiguration)
	 */
public Image createProcessImage(TCKConfiguration conf) throws IOException {
    fixClassPath();
    String systemDump = System.getProperty("system.dump");
    if (systemDump == null) {
        throw new IllegalArgumentException("You need to specify a system dump with -Dsystem.dump=");
    }
    J9DDRImageFactory factory = new J9DDRImageFactory();
    Image image = factory.getImage(new File(systemDump));
    if (null == image) {
        throw new IOException("Cannot get DTFJ image from " + systemDump);
    }
    return image;
}