Since May, 2007 Sun opens almost all of the JDK under the GPL. One of the vital part of it is HotSpot — Java Virtual Machine.
The HotSpot build system is complex and amount of sources is very large. Original sources don't contain any IDE projects and assumed to be built from command line. So we created a small tool which allows to work with HotSpot sources using NetBeans IDE with C/C++ Development Pack. You can browse, build and debug HotSpot like a regular NetBeans project.
You have to download next software: