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Hccake/ObjectHeader32.txt

Forked from arturmkrtchyan/ObjectHeader32.txt
Created September 19, 2023 17:19
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Java Object Header
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ObjectHeader32.txt
|-------------------------------------------------------|--------------------------------|------------------|
| Object Header (64 bits) | State |
|-------------------------------------------------------|--------------------------------|------------------|
| Mark Word (32 bits) | Klass Word (32 bits) | |
|-------------------------------------------------------|--------------------------------|------------------|
| identity_hashcode:25 | age:4 | biased_lock:1 | lock:2 | OOP to metadata object | Normal Object |
|-------------------------------------------------------|--------------------------------|------------------|
| thread:23 | epoch:2 | age:4 | biased_lock:1 | lock:2 | OOP to metadata object | Biased Object |
|-------------------------------------------------------|--------------------------------|------------------|
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