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

Example 6 with ImageAddressSpace

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

the class OpenCommand method createContexts.

private void createContexts(Image loadedImage, String coreFilePath) {
    if (loadedImage == null) {
        // cannot create any contexts as an image has not been obtained
        return;
    }
    boolean hasContexts = false;
    Iterator<?> spaces = loadedImage.getAddressSpaces();
    while (spaces.hasNext()) {
        Object o = spaces.next();
        if (o instanceof ImageAddressSpace) {
            ImageAddressSpace space = (ImageAddressSpace) o;
            Iterator<?> procs = space.getProcesses();
            if (procs.hasNext()) {
                while (procs.hasNext()) {
                    o = procs.next();
                    if (o instanceof ImageProcess) {
                        ImageProcess proc = (ImageProcess) o;
                        Iterator<?> runtimes = proc.getRuntimes();
                        if (runtimes.hasNext()) {
                            while (runtimes.hasNext()) {
                                o = runtimes.next();
                                if (o instanceof JavaRuntime) {
                                    createCombinedContext(loadedImage, apiLevelMajor, apiLevelMinor, space, proc, (JavaRuntime) o, coreFilePath);
                                    hasContexts = true;
                                } else if (o instanceof CorruptData) {
                                    logger.fine("CorruptData encountered in ImageProcess.getRuntimes(): " + ((CorruptData) o).toString());
                                    createCombinedContext(loadedImage, apiLevelMajor, apiLevelMinor, space, proc, null, coreFilePath);
                                    hasContexts = true;
                                } else {
                                    logger.fine("Unexpected class encountered in ImageProcess.getRuntimes()");
                                    createCombinedContext(loadedImage, apiLevelMajor, apiLevelMinor, space, proc, null, coreFilePath);
                                    hasContexts = true;
                                }
                            }
                        } else {
                            // there are no runtimes so create a context for this process
                            createCombinedContext(loadedImage, apiLevelMajor, apiLevelMinor, space, proc, null, coreFilePath);
                            hasContexts = true;
                        }
                    }
                }
            } else {
                // context with only an address space
                createCombinedContext(loadedImage, apiLevelMajor, apiLevelMinor, space, null, null, coreFilePath);
                hasContexts = true;
            }
        } else {
            // need a representation of a corrupt context
            logger.fine("Skipping corrupt ImageAddress space");
        }
    }
    if (!hasContexts) {
        if (ctx.hasPropertyBeenSet(VERBOSE_MODE_PROPERTY)) {
            out.println("Warning : no contexts were found, is this a valid core file ?");
        }
    }
}

Example 7 with ImageAddressSpace

use of com.ibm.dtfj.image.ImageAddressSpace 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 8 with ImageAddressSpace

use of com.ibm.dtfj.image.ImageAddressSpace 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 9 with ImageAddressSpace

use of com.ibm.dtfj.image.ImageAddressSpace 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 10 with ImageAddressSpace

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

the class DTFJTest method getRuntime.

public JavaRuntime getRuntime(File core) throws Exception {
    ImageFactory factory = getImageFactory();
    Image image = factory.getImage(core);
    log.finest("Image returned: " + image);
    @SuppressWarnings("unchecked") Iterator addressSpaceIt = image.getAddressSpaces();
    while (addressSpaceIt.hasNext()) {
        Object asObj = addressSpaceIt.next();
        if (asObj instanceof CorruptData) {
            log.warning("Corrupt AddressSpace returned: " + asObj);
        } else if (asObj instanceof ImageAddressSpace) {
            ImageAddressSpace as = (ImageAddressSpace) asObj;
            log.finest("Address Space: " + as + " found");
            @SuppressWarnings("unchecked") Iterator processIterator = as.getProcesses();
            while (processIterator.hasNext()) {
                Object processObj = processIterator.next();
                if (processObj instanceof CorruptData) {
                    log.warning("Corrupt ImageProcess returned: " + asObj);
                } else if (processObj instanceof ImageProcess) {
                    ImageProcess process = (ImageProcess) processObj;
                    log.finest("ImageProcess: " + process + " found");
                    @SuppressWarnings("unchecked") Iterator runtimeIterator = process.getRuntimes();
                    while (runtimeIterator.hasNext()) {
                        Object runtimeObj = runtimeIterator.next();
                        if (runtimeObj instanceof CorruptData) {
                            log.warning("Corrupt ImageProcess returned: " + asObj);
                        } else if (runtimeObj instanceof JavaRuntime) {
                            JavaRuntime runtime = (JavaRuntime) runtimeObj;
                            log.finer("JavaRuntime found: " + runtime + ", was loaded by " + runtime.getClass().getClassLoader());
                            return runtime;
                        } else {
                            throw new ClassCastException("Unexpected type from Runtime iterator: " + runtimeObj.getClass() + ": " + runtimeObj);
                        }
                    }
                } else {
                    throw new ClassCastException("Unexpected type from Process iterator: " + processObj.getClass() + ": " + processObj);
                }
            }
        } else {
            throw new ClassCastException("Unexpected type from AddressSpace iterator: " + asObj.getClass() + ": " + asObj);
        }
    }
    throw new RuntimeException("Could not find a Java Runtime");
}