Mark word in openJDK

[Krystal Mok]

Hi Xin,

The HotSpot VM is derived from a Smalltalk Vm, called Strongtalk. You could probably get a better grasp of what oop means if you know the history: http://code.google.com/p/strongtalk/wiki/VMTypesForSmalltalkObjects

- Kris

On 2012-5-4, at 3:46, Xin Tong <xerox.time.tech at gmail.com> wrote:

> On Thu, May 3, 2012 at 3:16 PM, Keith McGuigan
> <keith.mcguigan at oracle.com> wrote:
>> 
>> Take a look at src/share/vm/oops/markOop.hpp
>> 
>> 
>> On 5/3/2012 2:49 PM, Xin Tong wrote:
>>> 
>>> I am new to hotspot JVM. I am wondering where  ( which hpp file ?) is
>>> the data structure of the mark word used in each object declared ?
>>> 
>>> Thanks
>>> 
>>> Xin
> 
> By the way, what does Oop stand for in hotspot ?
> 
> Thanks
> 
> Xin