RFR (M): 8024760: add more types, fields and constants to VMStructs

[Christian Thalinger]

http://cr.openjdk.java.net/~twisti/8024760/webrev/

8024760: add more types, fields and constants to VMStructs
Reviewed-by:

Some types, fields and constants we need to investigate bugs.

There is also a bug fix for intConstant and longConstant.  Both commands didn't print the value because the wrong name was passed.

agent/src/share/classes/sun/jvm/hotspot/CommandProcessor.java
src/share/vm/gc_implementation/g1/ptrQueue.hpp
src/share/vm/memory/universe.cpp
src/share/vm/memory/universe.hpp
src/share/vm/oops/klassVtable.hpp
src/share/vm/oops/methodData.hpp
src/share/vm/runtime/os.hpp
src/share/vm/runtime/vmStructs.cpp