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

Example 6 with ImageModule

use of com.ibm.dtfj.image.ImageModule 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 7 with ImageModule

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

the class ImageSymbolTest method slurpSymbolsFromLibraryIterator.

private void slurpSymbolsFromLibraryIterator(Iterator<?> it, List<Object> list) {
    while (it.hasNext()) {
        Object obj = it.next();
        if (obj instanceof ImageModule) {
            ImageModule mod = (ImageModule) obj;
            Iterator<?> symIt = mod.getSymbols();
            while (symIt.hasNext()) {
                Object symObj = symIt.next();
                if (symObj instanceof ImageSymbol) {
                    list.add(symObj);
                } else {
                    System.err.println("Skipping symbol object: " + symObj + ", type " + symObj.getClass().getName());
                }
            }
        } else {
            System.err.println("Skipping module object: " + obj + ", type " + obj.getClass().getName());
        }
    }
}

Example 8 with ImageModule

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

the class ThreadSectionParser method parseNativeStackTrace.

/**
 * Parse the native stack line information
 * @throws ParserException
 */
private void parseNativeStackTrace(long threadID, boolean buildModel) throws ParserException {
    IAttributeValueMap results = null;
    // Process the version lines
    processTagLineOptional(T_3XMTHREADINFO3);
    while ((results = processTagLineOptional(T_4XENATIVESTACK)) != null) {
        if (!buildModel)
            continue;
        String module = results.getTokenValue(STACK_MODULE);
        String routine = results.getTokenValue(STACK_ROUTINE);
        long address = results.getLongValue(STACK_PROC_ADDRESS);
        long routine_address = results.getLongValue(STACK_ROUTINE_ADDRESS);
        long routine_offset = results.getLongValue(STACK_ROUTINE_OFFSET);
        long module_offset = results.getLongValue(STACK_MODULE_OFFSET);
        String file = results.getTokenValue(STACK_FILE);
        int line = results.getIntValue(STACK_LINE);
        // Allow for missing data
        if (routine_address == IBuilderData.NOT_AVAILABLE && address != IBuilderData.NOT_AVAILABLE && routine_offset != IBuilderData.NOT_AVAILABLE) {
            routine_address = address - routine_offset;
        } else if (routine_offset == IBuilderData.NOT_AVAILABLE && address != IBuilderData.NOT_AVAILABLE && routine_address != IBuilderData.NOT_AVAILABLE) {
            routine_offset = address - routine_address;
        } else if (address == IBuilderData.NOT_AVAILABLE && routine_offset != IBuilderData.NOT_AVAILABLE && routine_address != IBuilderData.NOT_AVAILABLE) {
            address = routine_address + routine_offset;
        }
        String name;
        if (module != null) {
            name = module;
        } else {
            name = "";
        }
        if (file != null) {
            name = name + "(" + file;
            if (line != IBuilderData.NOT_AVAILABLE) {
                name = name + ":" + line;
            }
            name = name + ")";
        }
        if (module != null) {
            ImageModule mod = fImageProcessBuilder.addLibrary(module);
            if (address != IBuilderData.NOT_AVAILABLE && module_offset != IBuilderData.NOT_AVAILABLE) {
                String modAddress = "0x" + Long.toHexString(address - module_offset);
                fImageProcessBuilder.addProperty(mod, "Load address", modAddress);
            }
            if (routine != null && address != IBuilderData.NOT_AVAILABLE && routine_offset != IBuilderData.NOT_AVAILABLE && routine_address != IBuilderData.NOT_AVAILABLE) {
                fImageProcessBuilder.addRoutine(mod, routine, routine_address);
                name = name + "::" + routine + (routine_offset >= 0 ? "+" : "-") + routine_offset;
            } else {
                if (routine_offset != IBuilderData.NOT_AVAILABLE) {
                    name = name + (routine_offset >= 0 ? "+" : "-") + routine_offset;
                } else {
                    if (address != IBuilderData.NOT_AVAILABLE) {
                        name = name + "::0x" + Long.toHexString(address);
                    }
                }
            }
        } else {
            if (routine != null) {
                if (routine_offset != IBuilderData.NOT_AVAILABLE) {
                    name = "::" + routine + (routine_offset >= 0 ? "+" : "-") + routine_offset;
                } else {
                    name = "::" + routine;
                }
            } else {
                if (address != IBuilderData.NOT_AVAILABLE) {
                    name = "::0x" + Long.toHexString(address);
                } else {
                    name = null;
                }
            }
        }
        fImageProcessBuilder.addImageStackFrame(threadID, name, 0, address);
    }
}

Example 9 with ImageModule

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

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

the class J9DDRImageProcess method getLibraries.

public Iterator<?> getLibraries() throws DataUnavailable, CorruptDataException {
    try {
        Collection<? extends IModule> modules = process.getModules();
        List<ImageModule> libraries = new ArrayList<ImageModule>();
        for (IModule module : modules) {
            libraries.add(new J9DDRImageModule(process, module));
        }
        return libraries.iterator();
    } catch (com.ibm.j9ddr.CorruptDataException e) {
        throw new DTFJCorruptDataException(new J9DDRCorruptData(process, e));
    }
}