Developer Tools●●●Banger
A virtual machine in the Rust type system
Rust type system executes a compile-time VM using trait resolution and associated types.
WizardryBig BrainRabbit Hole
Aurel300
203mo ago
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Minimalist, dependency-free virtual machine sandbox for microcontrollers and other resource-constrained devices. Single C file, no dynamic memory allocations, asynchronous design, pure C99
665 starsC
I've Added Gdbstub to UVM32
by hamid_rostami·Apr 16, 2026·1 point·0 comments
AI Analysis
●●SolidNiche GemWizardry
GDB stub on a 3KB embedded VM — debug bytecode on STM32 without leaving your workflow.
Strengths
- •Single C file with zero dynamic allocations fits microcontrollers under 3KB flash
- •GDB remote serial protocol enables standard debugging workflows on embedded targets
- •Safe FFI prevents misbehaving bytecode from crashing the host system
Weaknesses
- •Extremely niche audience — only matters if you're already embedding VMs in firmware
- •Compile-run cycle for VM code adds friction compared to interpreted scripting languages
Category
Target Audience
Embedded developers, firmware engineers, microcontroller programmers
Similar To
Lua · MicroPython · Duktape
Post Description
uvm32 is a risc-v small virtual machine. I've added gdbstub support to it. Using GDB remote serial protocol connection, a gdb instance can connect to the host and debug the code running on the emulated core.
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