momo5502

momo5502 / vmtrace

Public

🔬 Guest execution and tracing using the Windows Hypervisor Platform

32
1
100% credibility
Found Mar 17, 2026 at 32 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
C++
AI Summary

A Windows library for building simple virtual environments to run and monitor guest code by catching memory accesses, processor identification calls, and system calls.

How It Works

1
🔍 Discover vmtrace

You stumble upon vmtrace, a neat Windows tool for safely running tiny programs inside a pretend computer.

2
⚙️ Ready your Windows PC

You head to your computer settings, switch on the hidden power features for virtual spaces, and restart to unlock them.

3
📦 Build the sample

You grab the ready-made example and use your Windows tools to put it together into a runnable program.

4
▶️ Start the demo

With one click, you launch the example, setting up a cozy virtual playground for code to run.

5
🕵️ Watch it catch events

You see the tool grab special moments like memory peeks, processor questions, and system requests, displaying what happens.

✅ Your virtual lab works!

Everything runs smoothly, and now you can experiment with low-level code in a safe, controlled space feeling empowered.

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AI-Generated Review

What is vmtrace?

vmtrace is a C++ library for trap-driven guest execution on Windows using the Hypervisor Platform. It lets developers start emulation from a custom CPU state, map host-backed guest memory pages, and handle exits for memory faults (read/write/execute), CPUID queries, and syscalls—all in user mode without full VM setup. Fire up "start vmtrace" via the demo to run guest code like custom CPUID leaves or syscalls, capturing results in guest memory for controlled experiments.

Why is it gaining traction?

Unlike heavier tools like VMware guest integrations or Arista VMTracer, vmtrace offers a lightweight static library with a tiny public API for precise guest mode execution traps and gmet trap support. Developers dig the page-level trap handling and syscall interception for quick prototyping without kernel drivers. Its CMake export and asmjit-powered demo make onboarding fast, standing out for Windows-specific guest operation program execution.

Who should use this?

Windows reverse engineers debugging guest program broke execution in emulators like Ryujinx. Hypervisor tinkerers needing guest mode execution trap for memory/CPUID/syscall hooks. Security researchers simulating controlled guest environments without full VMs.

Verdict

Solid niche library with clean docs, CI builds, and a runnable demo, but at 32 stars and 1.0% credibility score, it's early-stage—expect rough edges for production. Try it for prototypes if you're on Windows Hyper-V; skip for cross-platform needs.

(198 words)

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