explaingit

quininer/mydbg

Analysis updated 2026-07-09 · repo last pushed 2025-05-08

6RustAudience · developerComplexity · 4/5StaleSetup · moderate

TLDR

An early-stage, experimental debugger built in Rust with a C++ plugin layer. It lets developers inspect running programs, but has minimal documentation and reads like a personal proof-of-concept.

Mindmap

mindmap
  root((repo))
    What it does
      Experimental debugger
      Inspect running programs
      Pause and step code
    Tech stack
      Rust core engine
      C++ plugin layer
      Static library build
    Use cases
      Learn debugger internals
      Build specialized tools
      Rust C++ interop experiments
    Audience
      Rust developers
      Security researchers
      Systems tooling builders
    Maturity
      Early stage project
      Minimal documentation
      Personal proof of concept
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Code map

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filefunction / class

What do people build with it?

USE CASE 1

Explore how debuggers work internally by reading the source code

USE CASE 2

Use as a starting point to build a specialized debugging tool

USE CASE 3

Experiment with Rust-to-C++ interoperability for system-level tooling

What is it built with?

RustC++

How does it compare?

quininer/mydbgfemboyisp/emryj0rdiun/cosmic-ext-app-switcher
Stars666
LanguageRustRustRust
Last pushed2025-05-08
MaintenanceStale
Setup difficultymoderateeasymoderate
Complexity4/52/52/5
Audiencedeveloperdatageneral

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 1h+

Requires both Rust and C++ toolchains configured to build the static library and shared plugin together.

No license information is provided, so it is unclear what you are allowed to do with this code.

In plain English

mydbg is a very early-stage debugging tool written in Rust. A debugger is a program that helps software developers inspect other programs while they're running, letting them pause execution, look at memory, step through code line by line, and figure out why something isn't working. Based on the project's name, this appears to be a custom or experimental debugger rather than a polished product. The README is extremely sparse, it only contains build instructions and nothing else. There's no description of features, no usage guide, and no explanation of what sets it apart from existing debuggers. What we can gather is that the project combines Rust code (compiled into a static library) with a C++ plugin layer, suggesting some kind of extensibility system where additional functionality can be layered on top of the core debugging engine. Who would use this? Likely Rust developers or security researchers interested in building or experimenting with debugging tools. Since the project has only a handful of stars and minimal documentation, it reads more like a personal project or proof-of-concept than something ready for production use. Someone might use it as a starting point for understanding how debuggers work internally or as a foundation for building a specialized debugging tool for a specific use case. The notable technical choice here is the combination of Rust and C++. Rust handles the core debugging logic (compiled to a static library), while C++ is used to build a shared plugin that wraps around the Rust code. This hybrid approach likely exists because Rust provides memory safety and performance for the core engine, while C++ offers easier interoperability with existing debugging tooling or system APIs. Beyond that, the README doesn't go into detail about the project's goals, capabilities, or intended workflow.

Copy-paste prompts

Prompt 1
Help me understand the Rust and C++ plugin architecture in this debugger project, how does the Rust static library expose functionality to the C++ plugin layer?
Prompt 2
Walk me through how a basic debugger pauses a running program and inspects memory, using this mydbg project as a concrete example
Prompt 3
I want to build on top of this experimental Rust debugger. Help me add a new C++ plugin that calls into the Rust core library to read process memory

Frequently asked questions

What is mydbg?

An early-stage, experimental debugger built in Rust with a C++ plugin layer. It lets developers inspect running programs, but has minimal documentation and reads like a personal proof-of-concept.

What language is mydbg written in?

Mainly Rust. The stack also includes Rust, C++.

Is mydbg actively maintained?

Stale — no commits in 1-2 years (last push 2025-05-08).

What license does mydbg use?

No license information is provided, so it is unclear what you are allowed to do with this code.

How hard is mydbg to set up?

Setup difficulty is rated moderate, with roughly 1h+ to a first successful run.

Who is mydbg for?

Mainly developer.

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