Just coming off of a read about a java PC emulator, we are asked this week to read about metacircular virtual machines. A metacircular virtual machine is a VM where the runtime environment is coded in the same language as that being hosted. In the case of Jikes, Jikes is coded in Java and acts as a Java runtime environment.
The obvious question for such systems is how are they bootstrapped? A good portion of the chapter is spent talking about how this feat is accomplished and the overall design of the system. I personally liked the portion of the chapter that talked about some of the virtual machine myths.
While Jikes is interesting, my overall question as with the JPC case study is the applicability of the system and how/where it would be used. I think it the case of both systems there are some definite academic uses.
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