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https://github.com/lvntky/cvm

A toy JVM coded in C/C++
https://github.com/lvntky/cvm

c compiler java jvm jvm-renovate programming-language programming-languages system-programming virtual-machine

Last synced: 24 days ago
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A toy JVM coded in C/C++

Host: GitHub
URL: https://github.com/lvntky/cvm
Owner: lvntky
License: mit
Created: 2023-03-21T08:16:30.000Z (almost 2 years ago)
Default Branch: master
Last Pushed: 2024-06-24T11:32:46.000Z (7 months ago)
Last Synced: 2024-06-25T12:21:05.039Z (7 months ago)
Topics: c, compiler, java, jvm, jvm-renovate, programming-language, programming-languages, system-programming, virtual-machine
Language: C++
Homepage:
Size: 180 KB
Stars: 15
Watchers: 1
Forks: 0
Open Issues: 1
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE

Awesome Lists containing this project

README

# CVM
![GitHub commit activity](https://img.shields.io/github/commit-activity/m/lvntky/CVM)
![GitHub](https://img.shields.io/github/license/lvntky/cvm)
![GitHub issues](https://img.shields.io/github/issues/lvntky/cvm)

>**This is the second re-write of the CVM.**

>**The first implementation of the CVM has been made in C which can be reachable at [cvm/archive](https://github.com/lvntky/CVM/tree/archive) for archive purposes Since the first implementation does not work as intended**

>**The master branch is the current and active version of the CVM which is rewrite in C++**

A toy Java Virtual Machine coded in C(and C++). CVM is a simple and lightweight JVM that aims to provide a basic understanding of JVM internals and bytecode execution. This project serves as an educational and fun resource for those interested in learning about JVM implementation details.

## Features

- Implementation of a minimalistic JVM in C
- Support for executing Java bytecode
- Basic class loading and method execution
- Instruction set interpretation

## Getting Started

Follow these steps to get started with CVM:

1. **Clone the Repository:**

```bash
git clone https://github.com/lvntky/CVM.git
cd CVM
```
2. **Compile the Source Code:**

```bash
mkdir build
make install
```
3. **Run a Java Program:**

```bash
./cvm JavaProgram.class
```

## Usage

CVM accepts a Java class file as a command-line argument. It loads and executes the main method of the specified class.

Example:
```bash
./cvm HelloWorld.class
```

## Contributing

We welcome contributions to CVM. If you want to add new features, fix bugs, or improve documentation, please follow these steps:

1. Fork the repository.
2. Create a new branch for your feature or bug fix.
3. Make your changes and commit them.
4. Open a pull request explaining your changes.

## License

CVM is licensed under the MIT License. See the LICENSE file for details.

## Acknowledgments

CVM was inspired by a passion for JVM internals and bytecode execution. I would like to thank the Java community for providing valuable resources and documentation on JVM internals.

- [Oracle's JVM Specification](https://docs.oracle.com/javase/specs/jvms/se8/html/)

## Contact

If you have questions or need assistance with CVM, feel free to contact me at [email protected] .

Happy coding! 🚀