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

Example 6 with ImageProcess

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

the class InfoProcCommand method printEnvironmentVariables.

private void printEnvironmentVariables() {
    ImageProcess ip = ctx.getProcess();
    out.print("\t Environment variables:");
    out.print("\n");
    Properties variables;
    try {
        variables = ip.getEnvironment();
    } catch (CorruptDataException e) {
        out.print("\t  " + Exceptions.getCorruptDataExceptionString() + "\n");
        return;
    } catch (DataUnavailable e) {
        out.print("\t  " + Exceptions.getDataUnavailableString() + "\n");
        return;
    }
    Enumeration<?> keys = variables.propertyNames();
    while (keys.hasMoreElements()) {
        String key = (String) keys.nextElement();
        printVariableInfo(key, variables.getProperty(key));
    }
}

Example 7 with ImageProcess

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

the class InfoSymCommand method listModules.

private void listModules(String moduleName) {
    ImageProcess ip = ctx.getProcess();
    try {
        Object e = ip.getExecutable();
        if (e instanceof ImageModule) {
            ImageModule exe = (ImageModule) e;
            if (moduleName != null) {
                if (checkModuleName(exe.getName(), moduleName)) {
                    printModule(exe, true);
                }
            } else {
                printModule(exe, false);
            }
        } else if (e instanceof CorruptData) {
            CorruptData corruptObj = (CorruptData) e;
            // warn the user that this image library is corrupt
            out.print("\t  <corrupt executable encountered: " + corruptObj.toString() + ">\n\n");
        }
    } catch (DataUnavailable e) {
        out.println(Exceptions.getDataUnavailableString());
    } catch (CorruptDataException e) {
        out.println(Exceptions.getCorruptDataExceptionString());
    }
    Iterator iLibs;
    try {
        iLibs = ip.getLibraries();
    } catch (DataUnavailable du) {
        iLibs = null;
        out.println(Exceptions.getDataUnavailableString());
    } catch (CorruptDataException cde) {
        iLibs = null;
        out.println(Exceptions.getCorruptDataExceptionString());
    }
    // iterate through the libraries
    while (null != iLibs && iLibs.hasNext()) {
        Object next = iLibs.next();
        if (next instanceof ImageModule) {
            ImageModule mod = (ImageModule) next;
            String currentName = null;
            try {
                currentName = mod.getName();
            } catch (CorruptDataException e) {
                out.print("\t  <corrupt library name: " + mod.toString() + ">\n\n");
            }
            if (moduleName != null) {
                if (checkModuleName(currentName, moduleName)) {
                    printModule(mod, true);
                }
            } else {
                printModule(mod, false);
            }
        } else if (next instanceof CorruptData) {
            CorruptData corruptObj = (CorruptData) next;
            // warn the user that this image library is corrupt
            out.print("\t  <corrupt library encountered: " + corruptObj.toString() + ">\n\n");
        } else {
            // unexpected type in iterator
            out.print("\t  <corrupt library encountered>\n\n");
        }
    }
}

Example 8 with ImageProcess

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

the class Utils method getRuntimes.

public static Iterator getRuntimes(Image loadedImage) {
    Vector runtimes = new Vector();
    Iterator itAddressSpace;
    Iterator itProcess;
    Iterator itRuntime;
    ManagedRuntime mr;
    ImageAddressSpace ias;
    ImageProcess ip;
    itAddressSpace = loadedImage.getAddressSpaces();
    while (itAddressSpace.hasNext()) {
        ias = (ImageAddressSpace) itAddressSpace.next();
        itProcess = ias.getProcesses();
        while (itProcess.hasNext()) {
            ip = (ImageProcess) itProcess.next();
            itRuntime = ip.getRuntimes();
            while (itRuntime.hasNext()) {
                // this iterator can contain ManagedRuntime or CorruptData objects
                Object next = itRuntime.next();
                if (next instanceof CorruptData) {
                    // skip any CorruptData objects
                    continue;
                } else {
                    mr = (ManagedRuntime) next;
                    if (!runtimes.contains(mr))
                        runtimes.add(mr);
                }
            }
        }
    }
    return runtimes.iterator();
}

Example 9 with ImageProcess

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

use of com.ibm.dtfj.image.ImageProcess 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());
            }
        }
    }
}