Have a great goal is a very important thing, such as Moon Landing. What is the meaning of this plan? That's the process of achieving this goal, the produce of industry and technology.
Sun is a great company, in the era of C++, they created JVM & HotSpot.
Now, we have Rust, a better tool, let’s remake JVM!
Pay tribute to medical workers at the front! Thank you for your contribution to the fight against the epidemic.
- Pass test cases in JDK
- Pass TCK
- GC (crate)
- JIT / interp (crate)
- class verification (crate)
- After GC built, ready for optimize System.arraycopy (the key of performance)
- WebAssembly, make the JVM work in Browser
- java options (-version, -server...)
In summary, the roadmap is built on a 3-step progress.
- Pass TCK
- Refactor & Rewrite
- Divide into several crates, build a collection of modular and reusable vm technologies
Well, it's a long term plan, Sun spent 30 years to improve VM, Oracle continue doing it.
The journey of a thousand miles begins with one first step. Even the sage was once an ordinary human being.
Just Do It.
# setup JDK
# setup rust toolchain
# clone this project
# compile sample by javac
cd jvm/sample
javac HelloWorld.java
cd ..
# modify r.sh JAVA_HOME according to your env
# exec sample
cd jvm
bash r.sh