java.lang.Object
com.ibm.j9ddr.vm29.j9.ObjectAccessBarrier
-
Field Summary
-
Method Summary
Modifier and TypeMethodDescriptionstatic com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer
convertPointerFromToken
(long token) Converts token (e.g. compressed pointer value) into real heap pointer.static long
convertTokenFromPointer
(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer pointer) Converts real heap pointer into token (e.g. compressed pointer value).static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer
getFinalizeLink
(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) Fetch the finalize link field of object.static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectMonitorPointer
getLockword
(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) Return the lockword for the given object, or NULL if it does not have a lockword.static ObjectMonitor
getMonitor
(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) Return an object representing the monitor for the given object, or NULL if it does not have a lockword/monitor.static I32
getObjectHashCode
(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) Determine the basic hash code for the specified object.static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer
getOwnableSynchronizerLink
(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) Fetch the ownableSynchronizer link field of object.static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer
getReferenceLink
(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) Fetch the reference link field of the specified reference object.static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer
isObjectInOwnableSynchronizerList
(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object)
-
Field Details
-
mmObjectAccessBarrier
-
-
Method Details
-
getObjectHashCode
public static I32 getObjectHashCode(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) throws CorruptDataException Determine the basic hash code for the specified object.- Parameters:
object
- [in] the object to be hashed- Returns:
- the persistent, basic hash code for the object
- Throws:
CorruptDataException
-
getFinalizeLink
public static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer getFinalizeLink(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) throws CorruptDataException Fetch the finalize link field of object.- Parameters:
object
- [in] the object to read- Returns:
- the value stored in the object's finalizeLink field
- Throws:
CorruptDataException
-
getOwnableSynchronizerLink
public static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer getOwnableSynchronizerLink(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) throws CorruptDataException Fetch the ownableSynchronizer link field of object.- Parameters:
object
- [in] the object to read- Returns:
- the value stored in the object's ownableSynchronizer field
- Throws:
CorruptDataException
-
isObjectInOwnableSynchronizerList
public static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer isObjectInOwnableSynchronizerList(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) throws CorruptDataException - Throws:
CorruptDataException
-
getReferenceLink
public static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer getReferenceLink(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) throws CorruptDataException Fetch the reference link field of the specified reference object.- Parameters:
object
- the object to read- Returns:
- the value stored in the object's reference link field
- Throws:
CorruptDataException
-
getLockword
public static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectMonitorPointer getLockword(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) throws CorruptDataException Return the lockword for the given object, or NULL if it does not have a lockword.- Parameters:
object
- the object who's lockword we are after- Returns:
- An J9ObjectMonitorPointer representing NULL, a flatlock, or an inflated monitor.
- Throws:
CorruptDataException
-
getMonitor
public static ObjectMonitor getMonitor(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer object) throws CorruptDataException Return an object representing the monitor for the given object, or NULL if it does not have a lockword/monitor.- Throws:
CorruptDataException
-
convertPointerFromToken
public static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer convertPointerFromToken(long token) Converts token (e.g. compressed pointer value) into real heap pointer.- Returns:
- the heap pointer value.
-
convertTokenFromPointer
public static long convertTokenFromPointer(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer pointer) Converts real heap pointer into token (e.g. compressed pointer value).- Returns:
- the compressed pointer value.
-