|--------------------------------------------------------------------------------------------------------------|--------------------|
|                                            Object Header (96 bits)                                           |        State       |
|--------------------------------------------------------------------------------|-----------------------------|--------------------|
|                                  Mark Word (64 bits)                           |    Klass Word (32 bits)     |                    |
|--------------------------------------------------------------------------------|-----------------------------|--------------------|
| unused:25 | identity_hashcode:31 | cms_free:1 | age:4 | biased_lock:1 | lock:2 |    OOP to metadata object   |       Normal       |
|--------------------------------------------------------------------------------|-----------------------------|--------------------|
| thread:54 |       epoch:2        | cms_free:1 | age:4 | biased_lock:1 | lock:2 |    OOP to metadata object   |       Biased       |
|--------------------------------------------------------------------------------|-----------------------------|--------------------|
|                         ptr_to_lock_record                            | lock:2 |    OOP to metadata object   | Lightweight Locked |
|--------------------------------------------------------------------------------|-----------------------------|--------------------|
|                     ptr_to_heavyweight_monitor                        | lock:2 |    OOP to metadata object   | Heavyweight Locked |
|--------------------------------------------------------------------------------|-----------------------------|--------------------|
|                                                                       | lock:2 |    OOP to metadata object   |    Marked for GC   |
|--------------------------------------------------------------------------------|-----------------------------|--------------------|