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Both NestedVM (http://nestedvm.ibex.org/ http://nestedvm.ibex.org/) and Javum (http://sourceforge.net/projects/javum/ http://sourceforge.net/projects/javum/) do
by sedachv 16y ago
Both NestedVM (http://nestedvm.ibex.org/ http://nestedvm.ibex.org/) and Javum (http://sourceforge.net/projects/javum/ http://sourceforge.net/projects/javum/) do this for the JVM.