Question about the mapping of oopDesc and KlassOop

[Colin(Du Li)]

Hello,

I have a question about the java object layout in Hotspot.
In hotspot, a oopDesc respesents a java object, oopDesc contains a pointer
to a klassOop instance. Is the relation  between the instance of oopDesc and
the instance of klassOop one to one mapping ? Or multiple oopDesc  instances
can share one klassOop?
Thanks a lot!

Du Li
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