Class MarkMapCommand

java.lang.Object

com.ibm.j9ddr.tools.ddrinteractive.Command

com.ibm.j9ddr.vm29.tools.ddrinteractive.commands.MarkMapCommand

All Implemented Interfaces:

ICommand

public class MarkMapCommand
extends Command

Nested Class Summary

Nested classes/interfaces declared in class Command

Command.CommandDescription

Modifier and Type	Class	Description
protected class	Command.CommandDescription

Field Summary

Fields

Modifier and Type	Field	Description
protected static GCHeapMap	markMap

Fields declared in class Command

nl

Modifier and Type	Field	Description
protected static final String	nl

Constructor Summary

Constructors

Constructor	Description
MarkMapCommand()

Method Summary

Modifier and Type	Method	Description
protected void	findSource(String[] args, Context context, PrintStream out)
protected void	fromBits(String[] args, Context context, PrintStream out)
protected void	isMarked(String[] args, Context context, PrintStream out)
protected void	markBits(String[] args, Context context, PrintStream out)
protected void	near(String[] args, Context context, PrintStream out)
protected void	reportResults(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer base, com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer top, GCHeapMap.MarkedObject[] results, PrintStream out)
void	run(String command, String[] args, Context context, PrintStream out)	Executes the command
protected void	scanRange(String[] args, Context context, PrintStream out)
protected void	setMarkMap(String[] args, Context context, PrintStream out)
protected void	showActiveMarkMap(PrintStream out)
protected void	showMarkMap(String[] args, Context context, PrintStream out)

Methods declared in class Command

addCommand, addSubCommand, dbgFindPatternInRange, getCommandDescriptions, getCommandNames, printDetailedHelp, recognises

Modifier and Type	Method	Description
Command.CommandDescription	addCommand(String name, String argDescription, String helpDescription)
void	addSubCommand(Command.CommandDescription command, String name, String argDescription, String helpDescription)
protected long	dbgFindPatternInRange(Context context, byte[] pattern, int patternAlignment, long startSearchFrom, BigInteger bytesToSearch)
Collection<String>	getCommandDescriptions()
Set<String>	getCommandNames()
void	printDetailedHelp(PrintStream out)	This prints the detailed help for the command by listing all the names that this command can be invoked by and also any sub commands that have been defined.
boolean	recognises(String command, Context context)	Method used by the DDR Interactive engine to decide whether this command matches the command passed in by the user

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

markMap

protected static GCHeapMap markMap

Constructor Details

MarkMapCommand

public MarkMapCommand()

Method Details

run

public void run(String command,
 String[] args,
 Context context,
 PrintStream out)
         throws DDRInteractiveCommandException

Description copied from interface: ICommand

Executes the command

Parameters:

command - Command string e.g. !j9x

args - Arguments for command

context - Context to work in

out - PrintStream to write command output on

Throws:

DDRInteractiveCommandException - If there is any problem running the command (incorrect usage, CorruptData etc.)

isMarked

protected void isMarked(String[] args,
 Context context,
 PrintStream out)
                 throws DDRInteractiveCommandException

Throws:

DDRInteractiveCommandException

near

protected void near(String[] args,
 Context context,
 PrintStream out)
             throws DDRInteractiveCommandException

Throws:

DDRInteractiveCommandException

scanRange

protected void scanRange(String[] args,
 Context context,
 PrintStream out)
                  throws DDRInteractiveCommandException

Throws:

DDRInteractiveCommandException

reportResults

protected void reportResults(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer base,
 com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer top,
 GCHeapMap.MarkedObject[] results,
 PrintStream out)

markBits

protected void markBits(String[] args,
 Context context,
 PrintStream out)
                 throws DDRInteractiveCommandException

Throws:

DDRInteractiveCommandException

fromBits

protected void fromBits(String[] args,
 Context context,
 PrintStream out)
                 throws DDRInteractiveCommandException

Throws:

DDRInteractiveCommandException

findSource

protected void findSource(String[] args,
 Context context,
 PrintStream out)
                   throws DDRInteractiveCommandException

Throws:

DDRInteractiveCommandException

showMarkMap

protected void showMarkMap(String[] args,
 Context context,
 PrintStream out)
                    throws DDRInteractiveCommandException

Throws:

DDRInteractiveCommandException

showActiveMarkMap

protected void showActiveMarkMap(PrintStream out)

setMarkMap

protected void setMarkMap(String[] args,
 Context context,
 PrintStream out)
                   throws DDRInteractiveCommandException

Throws:

DDRInteractiveCommandException