org.jikesrvm.mm.mmtk.gcspy
Class ServerSpace

java.lang.Object
  org.mmtk.vm.gcspy.ServerSpace
      org.jikesrvm.mm.mmtk.gcspy.ServerSpace

public class ServerSpace
extends ServerSpace

ServerSpace.java This class implements the GCspy Space abstraction. Here, it largely to forward calls to the gcspy C library.

ServerSpace

public ServerSpace(ServerInterpreter serverInterpreter,
                   String serverName,
                   String driverName,
                   String title,
                   String blockInfo,
                   int tileNum,
                   String unused,
                   boolean mainSpace)

Create a new GCspy Space

Parameters:

serverInterpreter - The server that owns this space

serverName - The server's name

driverName - The space driver's name

title - Title for the space

blockInfo - A label for each block

tileNum - Max number of tiles in this space

unused - A label for unused blocks

mainSpace - Whether this space is the main space

setTilename

public void setTilename(int i,
                        Address start,
                        Address end)

Tell the native driver the tile name.

Specified by:

setTilename in class ServerSpace

Parameters:

i - the number of the tile

start - the starting address of the tile

end - the end address

setTilename

public void setTilename(int i,
                        Address format,
                        long value)

Tell the native driver the tile name.

Specified by:

setTilename in class ServerSpace

Parameters:

i - the number of the tile

format - the name of the tile, a format string

value - The value for the format string

setTilename

public void setTilename(int i,
                        String format,
                        long value)

Tell the native driver the tile names.

Specified by:

setTilename in class ServerSpace

Parameters:

i - the number of the tile

format - The name, including format tags

value - The value for the format string

resize

public void resize(int size)

Tell the C driver to resize

Specified by:

resize in class ServerSpace

Parameters:

size - the new driver size

startCommunication

public void startCommunication()

Start a transmission

Specified by:

startCommunication in class ServerSpace

addStream

public Address addStream(int streamId)

Add a stream to the native driver

Specified by:

addStream in class ServerSpace

Parameters:

streamId - the stream's ID

Returns:

the address of the C gcspy_gc_stream_t

stream

public void stream(int streamId,
                   int len)

Start transmitting a stream.

Specified by:

stream in class ServerSpace

Parameters:

streamId - The stream's ID

len - The number of items in the stream

streamByteValue

public void streamByteValue(byte value)

Send a byte

Specified by:

streamByteValue in class ServerSpace

Parameters:

value - The byte

streamShortValue

public void streamShortValue(short value)

Send a short

Specified by:

streamShortValue in class ServerSpace

Parameters:

value - The short

streamIntValue

public void streamIntValue(int value)

Send an int

Specified by:

streamIntValue in class ServerSpace

Parameters:

value - The int

streamEnd

public void streamEnd()

End of this stream

Specified by:

streamEnd in class ServerSpace

summary

public void summary(int streamId,
                    int len)

Start to send a summary

Specified by:

summary in class ServerSpace

Parameters:

streamId - The stream's ID

len - The number of items to be sent

summaryValue

public void summaryValue(int val)

Send a summary value

Specified by:

summaryValue in class ServerSpace

Parameters:

val - The value

summaryEnd

public void summaryEnd()

End the summary

Specified by:

summaryEnd in class ServerSpace

sendControls

public void sendControls(AbstractDriver space,
                         int tileNum)

Send all the control info for the space

Specified by:

sendControls in class ServerSpace

Parameters:

space - The GCspy driver for this space

tileNum - The number of tiles

spaceInfo

public void spaceInfo(Address info)

Send info for this space

Specified by:

spaceInfo in class ServerSpace

Parameters:

info - A pointer to the information (held as C string)