org.mmtk.policy.immix

Class Line

java.lang.Object

org.mmtk.policy.immix.Line

public class Line
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static int	BYTES_IN_LINE_STATUS
(package private) static int	LINE_MARK_BYTES_PER_BLOCK
(package private) static int	LINE_MARK_TABLE_BYTES
(package private) static int	LOG_BYTES_IN_LINE_STATUS
(package private) static int	LOG_LINE_MARK_BYTES_PER_BLOCK

Constructor Summary

Constructors

Constructor and Description
Line()

Method Summary

Modifier and Type	Method and Description
static Address	align(Address ptr)
static Address	getBlockMarkTable(Address block)
(package private) static int	getChunkIndex(Address line)
static Address	getChunkMarkTable(Address chunk)
private static Address	getMarkAddress(Address address)
private static Address	getMetaAddress(Address address, int tableOffset)
static int	getNextAvailable(Address baseLineAvailAddress, int line, byte unavailableState)
static int	getNextUnavailable(Address baseLineAvailAddress, int line, byte unavailableState)
static boolean	isAligned(Address address)
(package private) static void	mark(Address address, byte markValue) Marks a line.
(package private) static void	markMultiLine(Address start, ObjectReference object, byte markValue)

Methods inherited from class java.lang.Object

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

Field Detail

LOG_BYTES_IN_LINE_STATUS

static final int LOG_BYTES_IN_LINE_STATUS

See Also:

Constant Field Values

BYTES_IN_LINE_STATUS

static final int BYTES_IN_LINE_STATUS

See Also:

Constant Field Values

LINE_MARK_TABLE_BYTES

static final int LINE_MARK_TABLE_BYTES

See Also:

Constant Field Values

LOG_LINE_MARK_BYTES_PER_BLOCK

static final int LOG_LINE_MARK_BYTES_PER_BLOCK

LINE_MARK_BYTES_PER_BLOCK

static final int LINE_MARK_BYTES_PER_BLOCK

Constructor Detail

Line

public Line()

Method Detail

align

public static Address align(Address ptr)

isAligned

public static boolean isAligned(Address address)

getChunkIndex

static int getChunkIndex(Address line)

mark

static void mark(Address address,
                 byte markValue)

Marks a line.

Parameters:

address - the line's address

markValue - the value to use for marking

markMultiLine

static void markMultiLine(Address start,
                          ObjectReference object,
                          byte markValue)

getChunkMarkTable

public static Address getChunkMarkTable(Address chunk)

Parameters:

chunk - the chunk's address

Returns:

the address of the chunk mark table

getBlockMarkTable

public static Address getBlockMarkTable(Address block)

getNextUnavailable

public static int getNextUnavailable(Address baseLineAvailAddress,
                                     int line,
                                     byte unavailableState)

getNextAvailable

public static int getNextAvailable(Address baseLineAvailAddress,
                                   int line,
                                   byte unavailableState)

getMetaAddress

private static Address getMetaAddress(Address address,
                                      int tableOffset)

getMarkAddress

private static Address getMarkAddress(Address address)