jtag/org.eclipse.cdt.debug.gdbjtag.core/src/org/eclipse/cdt/debug/gdbjtag/core/GDBJtagDebugger.java - cdt/org.eclipse.cdt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007 - 2010 QNX Software Systems and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     Doug Schaefer, Adrian Petrescu - QNX Software Systems - Initial API and implementation
  *     Andy Jin - Hardware debugging UI improvements, bug 229946
  *     Peter Vidler  - Monitor support (progress and cancellation) bug 242699
  *     Bruce Griffith, Sage Electronic Engineering, LLC - bug 305943
  *              - API generalization to become transport-independent (allow
  *                connections via serial ports and pipes).
  *******************************************************************************/

 package org.eclipse.cdt.debug.gdbjtag.core;

 import java.io.File;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.ArrayList;
 import java.util.List;

 import org.eclipse.cdt.core.IBinaryParser.IBinaryObject;
 import org.eclipse.cdt.debug.core.CDebugCorePlugin;
 import org.eclipse.cdt.debug.core.CDebugUtils;
 import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;
 import org.eclipse.cdt.debug.core.cdi.ICDISession;
 import org.eclipse.cdt.debug.core.cdi.model.ICDITarget;
 import org.eclipse.cdt.debug.gdbjtag.core.jtagdevice.GDBJtagDeviceContribution;
 import org.eclipse.cdt.debug.gdbjtag.core.jtagdevice.GDBJtagDeviceContributionFactory;
 import org.eclipse.cdt.debug.gdbjtag.core.jtagdevice.IGDBJtagDevice;
 import org.eclipse.cdt.debug.mi.core.AbstractGDBCDIDebugger;
 import org.eclipse.cdt.debug.mi.core.MIException;
 import org.eclipse.cdt.debug.mi.core.MIPlugin;
 import org.eclipse.cdt.debug.mi.core.MISession;
 import org.eclipse.cdt.debug.mi.core.cdi.Session;
 import org.eclipse.cdt.debug.mi.core.cdi.model.Target;
 import org.eclipse.cdt.debug.mi.core.command.CLICommand;
 import org.eclipse.cdt.debug.mi.core.command.MICommand;
 import org.eclipse.cdt.debug.mi.core.command.Command;
 import org.eclipse.cdt.debug.mi.core.command.CommandFactory;
 import org.eclipse.cdt.debug.mi.core.command.MIGDBSetNewConsole;
 import org.eclipse.cdt.debug.mi.core.output.MIInfo;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.MultiStatus;
 import org.eclipse.core.runtime.OperationCanceledException;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.core.runtime.SubMonitor;
 import org.eclipse.core.variables.VariablesPlugin;
 import org.eclipse.debug.core.DebugPlugin;
 import org.eclipse.debug.core.ILaunch;
 import org.eclipse.debug.core.ILaunchConfiguration;

 /**
  * Debugger class for Jtag debugging (using gdb server)
  */
 public class GDBJtagDebugger extends AbstractGDBCDIDebugger {

 	private String miVersion;

 	@Override
 	public ICDISession createSession(ILaunch launch, File executable,
 			IProgressMonitor monitor) throws CoreException {
 		return super.createSession(launch, executable, monitor);
 	}

 	@Override
 	public ICDISession createDebuggerSession(ILaunch launch, IBinaryObject exe,
 			IProgressMonitor monitor) throws CoreException {
 		return super.createDebuggerSession(launch, exe, monitor);
 	}

 	@Override
 	protected CommandFactory getCommandFactory(ILaunchConfiguration config)
 			throws CoreException {
 		miVersion = MIPlugin.getMIVersion(config);
 		return new GDBJtagCommandFactory(miVersion);
 	}

 	@Override
 	@SuppressWarnings("deprecation")
 	protected void doStartSession(ILaunch launch, Session session, IProgressMonitor monitor) throws CoreException {
 		SubMonitor submonitor = SubMonitor.convert(monitor, 100);

 		try {
 			submonitor.subTask(Messages.getString("GDBJtagDebugger.0")); //$NON-NLS-1$
 			ILaunchConfiguration config = launch.getLaunchConfiguration();
 			ICDITarget[] targets = session.getTargets();
 			if (targets.length == 0 || !(targets[0] instanceof Target)) {
 				Activator.log(new Status(IStatus.ERROR, Activator.getUniqueIdentifier(),
 						DebugPlugin.INTERNAL_ERROR, Messages.getString("GDBJtagDebugger.1"), null)); //$NON-NLS-1$
 				return;
 			}
 			MISession miSession = ((Target)targets[0]).getMISession();
 			CommandFactory factory = miSession.getCommandFactory();
 			if (submonitor.isCanceled()) {
 				throw new OperationCanceledException();
 			}
 			try {
 				MIGDBSetNewConsole newConsole = factory.createMIGDBSetNewConsole();
 				miSession.postCommand(newConsole);
 				MIInfo info = newConsole.getMIInfo();
 				if (info == null) {
 					throw new MIException(MIPlugin.getResourceString("src.common.No_answer")); //$NON-NLS-1$
 				}
 			}
 			catch( MIException e ) {
 				// We ignore this exception, for example
 				// on GNU/Linux the new-console is an error.
 			}

 			submonitor.worked(10);
 			if (submonitor.isCanceled()) {
 				throw new OperationCanceledException();
 			}
 			IGDBJtagDevice gdbJtagDevice;
 			try {
 				gdbJtagDevice = getGDBJtagDevice(config);
 			} catch (NullPointerException e) {
 				return;
 			}

 			List<String> commands = new ArrayList<String>();

 			if (submonitor.isCanceled()) {
 				throw new OperationCanceledException();
 			}
 			// execute symbol load
 			boolean doLoadSymbols = config.getAttribute(IGDBJtagConstants.ATTR_LOAD_SYMBOLS, IGDBJtagConstants.DEFAULT_LOAD_SYMBOLS);
 			if (doLoadSymbols) {
 				String symbolsFileName = null;
 				// New setting in Helios. Default is true. Check for existence
 				// in order to support older launch configs
 				if (config.hasAttribute(IGDBJtagConstants.ATTR_USE_PROJ_BINARY_FOR_SYMBOLS) &&
 						config.getAttribute(IGDBJtagConstants.ATTR_USE_PROJ_BINARY_FOR_SYMBOLS, IGDBJtagConstants.DEFAULT_USE_PROJ_BINARY_FOR_SYMBOLS)) {
 					IPath programFile = CDebugUtils.verifyProgramPath(config);
 					if (programFile != null) {
 						symbolsFileName = programFile.toOSString();
 					}
 				}
 				else {
 					symbolsFileName = config.getAttribute(IGDBJtagConstants.ATTR_SYMBOLS_FILE_NAME, IGDBJtagConstants.DEFAULT_SYMBOLS_FILE_NAME);
 					if (symbolsFileName.length() > 0) {
 						symbolsFileName = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(symbolsFileName);
 					}
 				}
 				if (symbolsFileName == null) {
 					// The launch config GUI should prevent this from happening, but just in case
 					throw new CoreException(new Status( IStatus.ERROR,
 							Activator.getUniqueIdentifier(),
 							-1, Messages.getString("GDBJtagDebugger.err_no_sym_file"), null));
 				}

 					// Escape windows path separator characters TWICE, once for Java and once for GDB.
 				symbolsFileName = symbolsFileName.replace("\\", "\\\\");

 					String symbolsOffset = config.getAttribute(IGDBJtagConstants.ATTR_SYMBOLS_OFFSET, IGDBJtagConstants.DEFAULT_SYMBOLS_OFFSET);
 				if (symbolsOffset.length() > 0) {
 					symbolsOffset = "0x" + symbolsOffset;
 				}
 				commands.clear();
 				gdbJtagDevice.doLoadSymbol(symbolsFileName, symbolsOffset, commands);
 				monitor.beginTask(Messages.getString("GDBJtagDebugger.loading_symbols"), 1); //$NON-NLS-1$
 				executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(15));
 			}

 			if (submonitor.isCanceled()) {
 				throw new OperationCanceledException();
 			}

 			// hook up to remote target
 			boolean useRemote = config.getAttribute(IGDBJtagConstants.ATTR_USE_REMOTE_TARGET, IGDBJtagConstants.DEFAULT_USE_REMOTE_TARGET);
 			if (useRemote) {
 				submonitor.subTask(Messages.getString("GDBJtagDebugger.2")); //$NON-NLS-1$
 				try {
 					commands.clear();
 					if (gdbJtagDevice instanceof IGDBJtagConnection) {
 						URI	connection = new URI(config.getAttribute(IGDBJtagConstants.ATTR_CONNECTION, IGDBJtagConstants.DEFAULT_CONNECTION));
 						IGDBJtagConnection device = (IGDBJtagConnection)gdbJtagDevice;
 						device.doRemote(connection.getSchemeSpecificPart(), commands);
 					} else {
 						// use deprecated methods tied to TCP/IP
 						String ipAddress = config.getAttribute(IGDBJtagConstants.ATTR_IP_ADDRESS, "");  //$NON-NLS-1$
 						int portNumber = config.getAttribute(IGDBJtagConstants.ATTR_PORT_NUMBER, 0);
 						gdbJtagDevice.doRemote(ipAddress, portNumber, commands);
 					}
 				} catch (URISyntaxException e) {
 					throw new OperationCanceledException();
 				}
 				executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(10));
 				if (submonitor.isCanceled()) {
 					throw new OperationCanceledException();
 				}
 			}

 			// execute init script
 			submonitor.subTask(Messages.getString("GDBJtagDebugger.3")); //$NON-NLS-1$
 			submonitor.setWorkRemaining(80); // compensate for optional work above

 			// Run device-specific code to reset the board
 			if (config.getAttribute(IGDBJtagConstants.ATTR_DO_RESET, IGDBJtagConstants.DEFAULT_DO_RESET)) {
 				commands.clear();
 				gdbJtagDevice.doReset(commands);
 				int defaultDelay = gdbJtagDevice.getDefaultDelay();
 				gdbJtagDevice.doDelay(config.getAttribute(IGDBJtagConstants.ATTR_DELAY, defaultDelay), commands);
 				executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(15));
 			}
 			submonitor.setWorkRemaining(65); // compensate for optional work above

 			// Run device-specific code to halt the board
 			if (config.getAttribute(IGDBJtagConstants.ATTR_DO_HALT, IGDBJtagConstants.DEFAULT_DO_HALT)) {
 				commands.clear();
 				gdbJtagDevice.doHalt(commands);
 				executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(15));
 			}
 			submonitor.setWorkRemaining(50); // compensate for optional work above
 			// execute any user defined init command
 			executeGDBScript(config, IGDBJtagConstants.ATTR_INIT_COMMANDS, miSession,
 					submonitor.newChild(15));

 			// execute load
 			boolean doLoad = config.getAttribute(IGDBJtagConstants.ATTR_LOAD_IMAGE, IGDBJtagConstants.DEFAULT_LOAD_IMAGE);
 			if (doLoad) {
 				String imageFileName = null;

 				// New setting in Helios. Default is true. Check for existence
 				// in order to support older launch configs
 				if (config.hasAttribute(IGDBJtagConstants.ATTR_USE_PROJ_BINARY_FOR_IMAGE) &&
 						config.getAttribute(IGDBJtagConstants.ATTR_USE_PROJ_BINARY_FOR_IMAGE, IGDBJtagConstants.DEFAULT_USE_PROJ_BINARY_FOR_IMAGE)) {
 					IPath programFile = CDebugUtils.verifyProgramPath(config);
 					if (programFile != null) {
 						imageFileName = programFile.toOSString();
 					}
 				}
 				else {
 					imageFileName = config.getAttribute(IGDBJtagConstants.ATTR_IMAGE_FILE_NAME, IGDBJtagConstants.DEFAULT_IMAGE_FILE_NAME);
 					if (imageFileName.length() > 0) {
 						imageFileName = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(imageFileName);
 					}
 				}
 				if (imageFileName == null) {
 					// The launch config GUI should prevent this from happening, but just in case
 					throw new CoreException(new Status( IStatus.ERROR,
 							Activator.getUniqueIdentifier(),
 							-1, Messages.getString("GDBJtagDebugger.err_no_img_file"), null));
 				}
 				imageFileName = imageFileName.replace("\\", "\\\\");

 				String imageOffset = config.getAttribute(IGDBJtagConstants.ATTR_IMAGE_OFFSET, IGDBJtagConstants.DEFAULT_IMAGE_OFFSET);
 				if (imageOffset.length() > 0) {
 					imageOffset = (imageFileName.endsWith(".elf")) ? "" : "0x" + config.getAttribute(IGDBJtagConstants.ATTR_IMAGE_OFFSET, IGDBJtagConstants.DEFAULT_IMAGE_OFFSET);
 				}

 				commands.clear();
 				gdbJtagDevice.doLoadImage(imageFileName, imageOffset, commands);
 				monitor.beginTask(Messages.getString("GDBJtagDebugger.loading_image"), 1); //$NON-NLS-1$
 				executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(20));


 			}
 			submonitor.setWorkRemaining(15); // compensate for optional work above
 		} catch (OperationCanceledException e) {
 			if (launch != null && launch.canTerminate()) {
 				launch.terminate();
 			}
 		}
 	}

 	public void doRunSession(ILaunch launch, ICDISession session, IProgressMonitor monitor) throws CoreException {
 		SubMonitor submonitor = SubMonitor.convert(monitor, 100);

 		try {
 			ILaunchConfiguration config = launch.getLaunchConfiguration();
 			ICDITarget[] targets = session.getTargets();
 			if ( targets.length == 0 || !(targets[0] instanceof Target) )
 				return;
 			MISession miSession = ((Target)targets[0]).getMISession();

 			IGDBJtagDevice gdbJtagDevice;
 			try {
 				gdbJtagDevice = getGDBJtagDevice(config);
 			} catch (NullPointerException e) {
 				return;
 			}

 			if (submonitor.isCanceled()) {
 				throw new OperationCanceledException();
 			}
 			submonitor.worked(20);
 			List<String> commands = new ArrayList<String>();
 			// Set program counter
 			boolean setPc = config.getAttribute(IGDBJtagConstants.ATTR_SET_PC_REGISTER, IGDBJtagConstants.DEFAULT_SET_PC_REGISTER);
 			if (setPc) {
 				String pcRegister = config.getAttribute(IGDBJtagConstants.ATTR_PC_REGISTER, config.getAttribute(IGDBJtagConstants.ATTR_IMAGE_OFFSET, IGDBJtagConstants.DEFAULT_PC_REGISTER));
 				gdbJtagDevice.doSetPC(pcRegister, commands);
 				executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(20));
 			}
 			submonitor.setWorkRemaining(60); // compensate for optional work above

 			// execute run script
 			monitor.beginTask(Messages.getString("GDBJtagDebugger.18"), 1); //$NON-NLS-1$
 			boolean setStopAt = config.getAttribute(IGDBJtagConstants.ATTR_SET_STOP_AT, IGDBJtagConstants.DEFAULT_SET_STOP_AT);
 			if (setStopAt) {
 				String stopAt = config.getAttribute(IGDBJtagConstants.ATTR_STOP_AT, IGDBJtagConstants.DEFAULT_STOP_AT);
 				commands.clear();
 				gdbJtagDevice.doStopAt(stopAt, commands);
 				executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(20));
 			}
 			submonitor.setWorkRemaining(40); // compensate for optional work above

 			boolean setResume = config.getAttribute(IGDBJtagConstants.ATTR_SET_RESUME, IGDBJtagConstants.DEFAULT_SET_RESUME);
 			if (setResume) {
 				commands.clear();
 				gdbJtagDevice.doContinue(commands);
 				executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(20));
 			}
 			submonitor.setWorkRemaining(20); // compensate for optional work above
 			// Run any user defined command
 			executeGDBScript(config, IGDBJtagConstants.ATTR_RUN_COMMANDS, miSession,
 					submonitor.newChild(20));
 		} catch (OperationCanceledException e) {
 			if (launch != null && launch.canTerminate()) {
 				launch.terminate();
 			}
 		}
 	}

 	private void executeGDBScript(String script, MISession miSession,
 			IProgressMonitor monitor) throws CoreException {
 		// Try to execute any extra command
 		if (script == null || script.length() == 0)
 			return;
 		script = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(script);
 		String[] commands = script.split("\\r?\\n");
 		SubMonitor submonitor = SubMonitor.convert(monitor, commands.length);
 		for (int j = 0; j < commands.length; ++j) {
 			try {
 				submonitor.subTask(Messages.getString("GDBJtagDebugger.21") + commands[j]); //$NON-NLS-1$
 				Command cmd = null;
 				if (commands[j].startsWith("-")) {
 					cmd = new MICommand(miVersion, commands[j]);
  				} else {
  					cmd = new CLICommand(commands[j]);
  				}
 				miSession.postCommand(cmd, MISession.FOREVER);
 				submonitor.worked(1);
 				if (submonitor.isCanceled()) {
 					throw new OperationCanceledException();
 				}
 				MIInfo info = cmd.getMIInfo();
 				if (info == null) {
 					throw new MIException("Timeout"); //$NON-NLS-1$
 				}
 			} catch (MIException e) {
 				MultiStatus status = new MultiStatus(
 						Activator.PLUGIN_ID,
 						ICDTLaunchConfigurationConstants.ERR_INTERNAL_ERROR,
 						Messages.getString("GDBJtagDebugger.22"), e); //$NON-NLS-1$
 				status
 						.add(new Status(
 								IStatus.ERROR,
 								Activator.PLUGIN_ID,
 								ICDTLaunchConfigurationConstants.ERR_INTERNAL_ERROR,
 								e == null ? "" : e.getLocalizedMessage(), //$NON-NLS-1$
 								e));
 				CDebugCorePlugin.log(status);
 			}
 		}
 	}

 	private void executeGDBScript(ILaunchConfiguration configuration, String attribute,
 			MISession miSession, IProgressMonitor monitor) throws CoreException {
 		executeGDBScript(configuration.getAttribute(attribute, ""), miSession, monitor); //$NON-NLS-1$
 	}

 	private IGDBJtagDevice getGDBJtagDevice (ILaunchConfiguration config)
 		throws CoreException, NullPointerException {
 		IGDBJtagDevice gdbJtagDevice = null;
 		String jtagDeviceName = config.getAttribute(IGDBJtagConstants.ATTR_JTAG_DEVICE, IGDBJtagConstants.DEFAULT_JTAG_DEVICE);
 		GDBJtagDeviceContribution[] availableDevices = GDBJtagDeviceContributionFactory.
 			getInstance().getGDBJtagDeviceContribution();
 		for (int i = 0; i < availableDevices.length; i++) {
 			if (jtagDeviceName.equals(availableDevices[i].getDeviceName())) {
 				gdbJtagDevice = availableDevices[i].getDevice();
 				break;
 			}
 		}
 		return gdbJtagDevice;
 	}

 	private String getGDBScript(List<String> commands) {
 		if (commands.isEmpty())
 			return null;
 		StringBuffer sb = new StringBuffer();
 		for (String cmd : commands) {
 			sb.append(cmd);
 		}
 		return sb.toString();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2007 - 2010 QNX Software Systems and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* Doug Schaefer, Adrian Petrescu - QNX Software Systems - Initial API and implementation
	* Andy Jin - Hardware debugging UI improvements, bug 229946
	* Peter Vidler - Monitor support (progress and cancellation) bug 242699
	* Bruce Griffith, Sage Electronic Engineering, LLC - bug 305943
	* - API generalization to become transport-independent (allow
	* connections via serial ports and pipes).
	*******************************************************************************/

	package org.eclipse.cdt.debug.gdbjtag.core;

	import java.io.File;
	import java.net.URI;
	import java.net.URISyntaxException;
	import java.util.ArrayList;
	import java.util.List;

	import org.eclipse.cdt.core.IBinaryParser.IBinaryObject;
	import org.eclipse.cdt.debug.core.CDebugCorePlugin;
	import org.eclipse.cdt.debug.core.CDebugUtils;
	import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;
	import org.eclipse.cdt.debug.core.cdi.ICDISession;
	import org.eclipse.cdt.debug.core.cdi.model.ICDITarget;
	import org.eclipse.cdt.debug.gdbjtag.core.jtagdevice.GDBJtagDeviceContribution;
	import org.eclipse.cdt.debug.gdbjtag.core.jtagdevice.GDBJtagDeviceContributionFactory;
	import org.eclipse.cdt.debug.gdbjtag.core.jtagdevice.IGDBJtagDevice;
	import org.eclipse.cdt.debug.mi.core.AbstractGDBCDIDebugger;
	import org.eclipse.cdt.debug.mi.core.MIException;
	import org.eclipse.cdt.debug.mi.core.MIPlugin;
	import org.eclipse.cdt.debug.mi.core.MISession;
	import org.eclipse.cdt.debug.mi.core.cdi.Session;
	import org.eclipse.cdt.debug.mi.core.cdi.model.Target;
	import org.eclipse.cdt.debug.mi.core.command.CLICommand;
	import org.eclipse.cdt.debug.mi.core.command.MICommand;
	import org.eclipse.cdt.debug.mi.core.command.Command;
	import org.eclipse.cdt.debug.mi.core.command.CommandFactory;
	import org.eclipse.cdt.debug.mi.core.command.MIGDBSetNewConsole;
	import org.eclipse.cdt.debug.mi.core.output.MIInfo;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.MultiStatus;
	import org.eclipse.core.runtime.OperationCanceledException;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.core.runtime.SubMonitor;
	import org.eclipse.core.variables.VariablesPlugin;
	import org.eclipse.debug.core.DebugPlugin;
	import org.eclipse.debug.core.ILaunch;
	import org.eclipse.debug.core.ILaunchConfiguration;

	/**
	* Debugger class for Jtag debugging (using gdb server)
	*/
	public class GDBJtagDebugger extends AbstractGDBCDIDebugger {

	private String miVersion;

	@Override
	public ICDISession createSession(ILaunch launch, File executable,
	IProgressMonitor monitor) throws CoreException {
	return super.createSession(launch, executable, monitor);
	}

	@Override
	public ICDISession createDebuggerSession(ILaunch launch, IBinaryObject exe,
	IProgressMonitor monitor) throws CoreException {
	return super.createDebuggerSession(launch, exe, monitor);
	}

	@Override
	protected CommandFactory getCommandFactory(ILaunchConfiguration config)
	throws CoreException {
	miVersion = MIPlugin.getMIVersion(config);
	return new GDBJtagCommandFactory(miVersion);
	}

	@Override
	@SuppressWarnings("deprecation")
	protected void doStartSession(ILaunch launch, Session session, IProgressMonitor monitor) throws CoreException {
	SubMonitor submonitor = SubMonitor.convert(monitor, 100);

	try {
	submonitor.subTask(Messages.getString("GDBJtagDebugger.0")); //$NON-NLS-1$
	ILaunchConfiguration config = launch.getLaunchConfiguration();
	ICDITarget[] targets = session.getTargets();
	if (targets.length == 0 \|\| !(targets[0] instanceof Target)) {
	Activator.log(new Status(IStatus.ERROR, Activator.getUniqueIdentifier(),
	DebugPlugin.INTERNAL_ERROR, Messages.getString("GDBJtagDebugger.1"), null)); //$NON-NLS-1$
	return;
	}
	MISession miSession = ((Target)targets[0]).getMISession();
	CommandFactory factory = miSession.getCommandFactory();
	if (submonitor.isCanceled()) {
	throw new OperationCanceledException();
	}
	try {
	MIGDBSetNewConsole newConsole = factory.createMIGDBSetNewConsole();
	miSession.postCommand(newConsole);
	MIInfo info = newConsole.getMIInfo();
	if (info == null) {
	throw new MIException(MIPlugin.getResourceString("src.common.No_answer")); //$NON-NLS-1$
	}
	}
	catch( MIException e ) {
	// We ignore this exception, for example
	// on GNU/Linux the new-console is an error.
	}

	submonitor.worked(10);
	if (submonitor.isCanceled()) {
	throw new OperationCanceledException();
	}
	IGDBJtagDevice gdbJtagDevice;
	try {
	gdbJtagDevice = getGDBJtagDevice(config);
	} catch (NullPointerException e) {
	return;
	}

	List<String> commands = new ArrayList<String>();

	if (submonitor.isCanceled()) {
	throw new OperationCanceledException();
	}
	// execute symbol load
	boolean doLoadSymbols = config.getAttribute(IGDBJtagConstants.ATTR_LOAD_SYMBOLS, IGDBJtagConstants.DEFAULT_LOAD_SYMBOLS);
	if (doLoadSymbols) {
	String symbolsFileName = null;
	// New setting in Helios. Default is true. Check for existence
	// in order to support older launch configs
	if (config.hasAttribute(IGDBJtagConstants.ATTR_USE_PROJ_BINARY_FOR_SYMBOLS) &&
	config.getAttribute(IGDBJtagConstants.ATTR_USE_PROJ_BINARY_FOR_SYMBOLS, IGDBJtagConstants.DEFAULT_USE_PROJ_BINARY_FOR_SYMBOLS)) {
	IPath programFile = CDebugUtils.verifyProgramPath(config);
	if (programFile != null) {
	symbolsFileName = programFile.toOSString();
	}
	}
	else {
	symbolsFileName = config.getAttribute(IGDBJtagConstants.ATTR_SYMBOLS_FILE_NAME, IGDBJtagConstants.DEFAULT_SYMBOLS_FILE_NAME);
	if (symbolsFileName.length() > 0) {
	symbolsFileName = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(symbolsFileName);
	}
	}
	if (symbolsFileName == null) {
	// The launch config GUI should prevent this from happening, but just in case
	throw new CoreException(new Status( IStatus.ERROR,
	Activator.getUniqueIdentifier(),
	-1, Messages.getString("GDBJtagDebugger.err_no_sym_file"), null));
	}

	// Escape windows path separator characters TWICE, once for Java and once for GDB.
	symbolsFileName = symbolsFileName.replace("\\", "\\\\");

	String symbolsOffset = config.getAttribute(IGDBJtagConstants.ATTR_SYMBOLS_OFFSET, IGDBJtagConstants.DEFAULT_SYMBOLS_OFFSET);
	if (symbolsOffset.length() > 0) {
	symbolsOffset = "0x" + symbolsOffset;
	}
	commands.clear();
	gdbJtagDevice.doLoadSymbol(symbolsFileName, symbolsOffset, commands);
	monitor.beginTask(Messages.getString("GDBJtagDebugger.loading_symbols"), 1); //$NON-NLS-1$
	executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(15));
	}

	if (submonitor.isCanceled()) {
	throw new OperationCanceledException();
	}

	// hook up to remote target
	boolean useRemote = config.getAttribute(IGDBJtagConstants.ATTR_USE_REMOTE_TARGET, IGDBJtagConstants.DEFAULT_USE_REMOTE_TARGET);
	if (useRemote) {
	submonitor.subTask(Messages.getString("GDBJtagDebugger.2")); //$NON-NLS-1$
	try {
	commands.clear();
	if (gdbJtagDevice instanceof IGDBJtagConnection) {
	URI connection = new URI(config.getAttribute(IGDBJtagConstants.ATTR_CONNECTION, IGDBJtagConstants.DEFAULT_CONNECTION));
	IGDBJtagConnection device = (IGDBJtagConnection)gdbJtagDevice;
	device.doRemote(connection.getSchemeSpecificPart(), commands);
	} else {
	// use deprecated methods tied to TCP/IP
	String ipAddress = config.getAttribute(IGDBJtagConstants.ATTR_IP_ADDRESS, ""); //$NON-NLS-1$
	int portNumber = config.getAttribute(IGDBJtagConstants.ATTR_PORT_NUMBER, 0);
	gdbJtagDevice.doRemote(ipAddress, portNumber, commands);
	}
	} catch (URISyntaxException e) {
	throw new OperationCanceledException();
	}
	executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(10));
	if (submonitor.isCanceled()) {
	throw new OperationCanceledException();
	}
	}

	// execute init script
	submonitor.subTask(Messages.getString("GDBJtagDebugger.3")); //$NON-NLS-1$
	submonitor.setWorkRemaining(80); // compensate for optional work above

	// Run device-specific code to reset the board
	if (config.getAttribute(IGDBJtagConstants.ATTR_DO_RESET, IGDBJtagConstants.DEFAULT_DO_RESET)) {
	commands.clear();
	gdbJtagDevice.doReset(commands);
	int defaultDelay = gdbJtagDevice.getDefaultDelay();
	gdbJtagDevice.doDelay(config.getAttribute(IGDBJtagConstants.ATTR_DELAY, defaultDelay), commands);
	executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(15));
	}
	submonitor.setWorkRemaining(65); // compensate for optional work above

	// Run device-specific code to halt the board
	if (config.getAttribute(IGDBJtagConstants.ATTR_DO_HALT, IGDBJtagConstants.DEFAULT_DO_HALT)) {
	commands.clear();
	gdbJtagDevice.doHalt(commands);
	executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(15));
	}
	submonitor.setWorkRemaining(50); // compensate for optional work above
	// execute any user defined init command
	executeGDBScript(config, IGDBJtagConstants.ATTR_INIT_COMMANDS, miSession,
	submonitor.newChild(15));

	// execute load
	boolean doLoad = config.getAttribute(IGDBJtagConstants.ATTR_LOAD_IMAGE, IGDBJtagConstants.DEFAULT_LOAD_IMAGE);
	if (doLoad) {
	String imageFileName = null;

	// New setting in Helios. Default is true. Check for existence
	// in order to support older launch configs
	if (config.hasAttribute(IGDBJtagConstants.ATTR_USE_PROJ_BINARY_FOR_IMAGE) &&
	config.getAttribute(IGDBJtagConstants.ATTR_USE_PROJ_BINARY_FOR_IMAGE, IGDBJtagConstants.DEFAULT_USE_PROJ_BINARY_FOR_IMAGE)) {
	IPath programFile = CDebugUtils.verifyProgramPath(config);
	if (programFile != null) {
	imageFileName = programFile.toOSString();
	}
	}
	else {
	imageFileName = config.getAttribute(IGDBJtagConstants.ATTR_IMAGE_FILE_NAME, IGDBJtagConstants.DEFAULT_IMAGE_FILE_NAME);
	if (imageFileName.length() > 0) {
	imageFileName = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(imageFileName);
	}
	}
	if (imageFileName == null) {
	// The launch config GUI should prevent this from happening, but just in case
	throw new CoreException(new Status( IStatus.ERROR,
	Activator.getUniqueIdentifier(),
	-1, Messages.getString("GDBJtagDebugger.err_no_img_file"), null));
	}
	imageFileName = imageFileName.replace("\\", "\\\\");

	String imageOffset = config.getAttribute(IGDBJtagConstants.ATTR_IMAGE_OFFSET, IGDBJtagConstants.DEFAULT_IMAGE_OFFSET);
	if (imageOffset.length() > 0) {
	imageOffset = (imageFileName.endsWith(".elf")) ? "" : "0x" + config.getAttribute(IGDBJtagConstants.ATTR_IMAGE_OFFSET, IGDBJtagConstants.DEFAULT_IMAGE_OFFSET);
	}

	commands.clear();
	gdbJtagDevice.doLoadImage(imageFileName, imageOffset, commands);
	monitor.beginTask(Messages.getString("GDBJtagDebugger.loading_image"), 1); //$NON-NLS-1$
	executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(20));


	}
	submonitor.setWorkRemaining(15); // compensate for optional work above
	} catch (OperationCanceledException e) {
	if (launch != null && launch.canTerminate()) {
	launch.terminate();
	}
	}
	}

	public void doRunSession(ILaunch launch, ICDISession session, IProgressMonitor monitor) throws CoreException {
	SubMonitor submonitor = SubMonitor.convert(monitor, 100);

	try {
	ILaunchConfiguration config = launch.getLaunchConfiguration();
	ICDITarget[] targets = session.getTargets();
	if ( targets.length == 0 \|\| !(targets[0] instanceof Target) )
	return;
	MISession miSession = ((Target)targets[0]).getMISession();

	IGDBJtagDevice gdbJtagDevice;
	try {
	gdbJtagDevice = getGDBJtagDevice(config);
	} catch (NullPointerException e) {
	return;
	}

	if (submonitor.isCanceled()) {
	throw new OperationCanceledException();
	}
	submonitor.worked(20);
	List<String> commands = new ArrayList<String>();
	// Set program counter
	boolean setPc = config.getAttribute(IGDBJtagConstants.ATTR_SET_PC_REGISTER, IGDBJtagConstants.DEFAULT_SET_PC_REGISTER);
	if (setPc) {
	String pcRegister = config.getAttribute(IGDBJtagConstants.ATTR_PC_REGISTER, config.getAttribute(IGDBJtagConstants.ATTR_IMAGE_OFFSET, IGDBJtagConstants.DEFAULT_PC_REGISTER));
	gdbJtagDevice.doSetPC(pcRegister, commands);
	executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(20));
	}
	submonitor.setWorkRemaining(60); // compensate for optional work above

	// execute run script
	monitor.beginTask(Messages.getString("GDBJtagDebugger.18"), 1); //$NON-NLS-1$
	boolean setStopAt = config.getAttribute(IGDBJtagConstants.ATTR_SET_STOP_AT, IGDBJtagConstants.DEFAULT_SET_STOP_AT);
	if (setStopAt) {
	String stopAt = config.getAttribute(IGDBJtagConstants.ATTR_STOP_AT, IGDBJtagConstants.DEFAULT_STOP_AT);
	commands.clear();
	gdbJtagDevice.doStopAt(stopAt, commands);
	executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(20));
	}
	submonitor.setWorkRemaining(40); // compensate for optional work above

	boolean setResume = config.getAttribute(IGDBJtagConstants.ATTR_SET_RESUME, IGDBJtagConstants.DEFAULT_SET_RESUME);
	if (setResume) {
	commands.clear();
	gdbJtagDevice.doContinue(commands);
	executeGDBScript(getGDBScript(commands), miSession, submonitor.newChild(20));
	}
	submonitor.setWorkRemaining(20); // compensate for optional work above
	// Run any user defined command
	executeGDBScript(config, IGDBJtagConstants.ATTR_RUN_COMMANDS, miSession,
	submonitor.newChild(20));
	} catch (OperationCanceledException e) {
	if (launch != null && launch.canTerminate()) {
	launch.terminate();
	}
	}
	}

	private void executeGDBScript(String script, MISession miSession,
	IProgressMonitor monitor) throws CoreException {
	// Try to execute any extra command
	if (script == null \|\| script.length() == 0)
	return;
	script = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(script);
	String[] commands = script.split("\\r?\\n");
	SubMonitor submonitor = SubMonitor.convert(monitor, commands.length);
	for (int j = 0; j < commands.length; ++j) {
	try {
	submonitor.subTask(Messages.getString("GDBJtagDebugger.21") + commands[j]); //$NON-NLS-1$
	Command cmd = null;
	if (commands[j].startsWith("-")) {
	cmd = new MICommand(miVersion, commands[j]);
	} else {
	cmd = new CLICommand(commands[j]);
	}
	miSession.postCommand(cmd, MISession.FOREVER);
	submonitor.worked(1);
	if (submonitor.isCanceled()) {
	throw new OperationCanceledException();
	}
	MIInfo info = cmd.getMIInfo();
	if (info == null) {
	throw new MIException("Timeout"); //$NON-NLS-1$
	}
	} catch (MIException e) {
	MultiStatus status = new MultiStatus(
	Activator.PLUGIN_ID,
	ICDTLaunchConfigurationConstants.ERR_INTERNAL_ERROR,
	Messages.getString("GDBJtagDebugger.22"), e); //$NON-NLS-1$
	status
	.add(new Status(
	IStatus.ERROR,
	Activator.PLUGIN_ID,
	ICDTLaunchConfigurationConstants.ERR_INTERNAL_ERROR,
	e == null ? "" : e.getLocalizedMessage(), //$NON-NLS-1$
	e));
	CDebugCorePlugin.log(status);
	}
	}
	}

	private void executeGDBScript(ILaunchConfiguration configuration, String attribute,
	MISession miSession, IProgressMonitor monitor) throws CoreException {
	executeGDBScript(configuration.getAttribute(attribute, ""), miSession, monitor); //$NON-NLS-1$
	}

	private IGDBJtagDevice getGDBJtagDevice (ILaunchConfiguration config)
	throws CoreException, NullPointerException {
	IGDBJtagDevice gdbJtagDevice = null;
	String jtagDeviceName = config.getAttribute(IGDBJtagConstants.ATTR_JTAG_DEVICE, IGDBJtagConstants.DEFAULT_JTAG_DEVICE);
	GDBJtagDeviceContribution[] availableDevices = GDBJtagDeviceContributionFactory.
	getInstance().getGDBJtagDeviceContribution();
	for (int i = 0; i < availableDevices.length; i++) {
	if (jtagDeviceName.equals(availableDevices[i].getDeviceName())) {
	gdbJtagDevice = availableDevices[i].getDevice();
	break;
	}
	}
	return gdbJtagDevice;
	}

	private String getGDBScript(List<String> commands) {
	if (commands.isEmpty())
	return null;
	StringBuffer sb = new StringBuffer();
	for (String cmd : commands) {
	sb.append(cmd);
	}
	return sb.toString();
	}
	}