I started doing some work on a free JDWP
implementation yesterday, but today on a whim I looked, and it turns
out there is a complete
implementation of it in Eclipse already, complete with
com.sun.jdi and a test suite, rewritten from scratch by
IBM. That’s great news since it means debugging gcj-built programs
with Eclipse is one big step closer — basically just hooking this
code up to the gdb/MI wrapper that is also in Eclipse.