honey-potion
oberon-risc-emu
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| honey-potion | oberon-risc-emu | |
|---|---|---|
| 6 | 2 | |
| 234 | 254 | |
| 2.1% | - | |
| 6.4 | 0.0 | |
| 2 months ago | about 2 years ago | |
| C | C | |
| GNU General Public License v3.0 only | - |
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honey-potion
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Honey Potion: an eBPF backend for Elixir
Hi all! We are working on an eBPF backend for Elixir. It's called Honey Potion. The project is under development, but it is possible to write some useful programs at this point. For instance, in this video, one of the guys involved explains how to write a program to count system calls.
We have been working on an eBPF backend for the Elixir programming language. The current implementation is on this branch. EBPF is a bit like a virtual machine that runs on the Linux kernel. EBPF programs are typically used to implement network applications. The most interesting aspect of the backend is that Linux uses a verifier to ensure that eBPF programs always terminate and only access memory within allocated bounds.
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Targetting C
Hi! We have been translating Elixir to C (which we translate to eBPF) in HoneyPotion. We used mostly Chapter 15 of Appel's Modern Compiler Implementation in Java to implement the code generator (that's "15. Functional Programming Languages"). I think the choice of C has been good thus far. The implementation of Elixir's pattern matching took much work, but if we had chosen a higher level target, we would still have to translate that to eBPF. Here's the entry point for the translator.
- Writing eBPF Programs with Elixir
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Suggestion for a backend?
We have been working on a tool that translates Elixir to eBPF. We actually translate eBPF to C. Now that we have more stuff working, I really wonder if generating C was a good choice.
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Intersection of PLs with the OS
That's exactly what Honey Potion does, when we translate Elixir into Linux' eBPF!
oberon-risc-emu
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Intersection of PLs with the OS
Do you mean something like Project Oberon? The garbage collector runs at the OS level and invoking commands is just calling a procedure from a module which is then compiled and executed. There's a working emulator that can run on a few platforms.
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Catalog of resources related with Oberon programming language
FWIW there are a few emulators for the Oberon RISC chip:
In C: https://github.com/pdewacht/oberon-risc-emu
In JavaScript and Java: https://schierlm.github.io/OberonEmulator/
(The JS one runs in the browser so you can launch an emulated Oberon OS from the little web form there. It has the compiler included!)
In Python: https://pythonoberon.readthedocs.io/en/latest/ (My own project.)
What are some alternatives?
pl0c - Self-hosting PL/0 to C compiler to teach basic compiler construction from a practical, hands-on perspective.
site - Код главной страницы сайта oberon.org
fping - High performance ping tool
Oberon - Oberon parser, code model & browser, compiler and IDE with debugger
TripleCross - A Linux eBPF rootkit with a backdoor, C2, library injection, execution hijacking, persistence and stealth capabilities.
linux-nitrous - Mirror of https://gitlab.com/xdevs23/linux-nitrous
libfirm - graph based intermediate representation and backend for optimising compilers
amacc - Small C Compiler generating ELF executable Arm architecture, supporting JIT execution
libbpf - Automated upstream mirror for libbpf stand-alone build.
wasmtime - A fast and secure runtime for WebAssembly
mir - A lightweight JIT compiler based on MIR (Medium Internal Representation) and C11 JIT compiler and interpreter based on MIR
pwru - Packet, where are you? -- eBPF-based Linux kernel networking debugger