gdbstub
prusti-dev
gdbstub | prusti-dev | |
---|---|---|
8 | 23 | |
277 | 1,466 | |
- | 1.0% | |
6.1 | 8.5 | |
4 months ago | 12 days ago | |
Rust | Rust | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
gdbstub
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A fast STM32 embedded system emulator implemented in Rust
now integrate gdbstub to support debugging code inside the emulator :)
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Noctane: a highly WIP original PlayStation emulator
Shameless plug, but have you considered integrating gdbstub rather than rolling your own debugger? I know a couple folks out there have successfully integrated it into their PS1 emulators with great success.
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Things I hate about Rust, redux
I've worked really hard to keep gdbstub panic free in its minimal configuration, going so far as to write some informal scripts that parse rustc's asm output to scan for the presence of panicking code paths.
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gdbstub 0.6: An ergonomic, #![no_std] implementation of the GDB Remote Serial Protocol in Rust - now with async support!
crates.io | docs | repo
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Announcing Loadstone, a secure bare-metal Rust bootloader
As a totally shameless plug, I'm the maintainer of gdbstub, a bare-metal, no_std, no_alloc, and size-optimized implementation of the GDB Remote Serial Protocol. One of the major changes slated for the upcoming release 0.6 is support for a new state-machine based API, which makes it possible to drive gdbstub directly via bare metal interrupt handlers (i.e: send/recv data over UART, handling breakpoints via the undefined instruction trap interrupt, etc...).
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What's everyone working on this week (23/2021)?
Continue working on a new API in gdbstub that'll make it easier to use directly from an interrupt handler when debugging code in a no_std, bare-metal OS environment.
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Designing a new architecture for Rspotify based on trait inheritance, need opinions
I ran into almost this exact same problem while working on gdbstub, whereby I an API that allowed users to mix/match protocol features however they wanted, while also preventing users from accidentally implementing mutually-exclusive features. Moreover, I wanted to have a "zero cost" way to enable/disable API features without relying on cargo features. The solution I came up with is something I've been calling "Inlineable Dyn Extension Traits", or IDETs.
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Static check optimization question
For a concrete example of how smart the Rust compiler is, I have a small writeup + test-repo that benchmarks a technique I came up with while working on gdbstub that [ab]uses the compiler's devirtualization and inlining optimizations to create runtime feature flags that are entirely compiled out if hard-coded to false at runtime.
prusti-dev
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Using_Prolog_as_the_AST
> The overall goal would be to figure out classical error conditions like nill pointers deference.
> If I can figure out if a pointer will be nil in some execution branch, there is no reason why a computer cannot do the same.
Note, this is called flow-sensitive typing (also called type narrowing) and I think that typescript does it.
https://en.wikipedia.org/wiki/Flow-sensitive_typing
> I personally would see this as an human race level upgrades. Imagine feeding your code to a CI that spit back something like: "you will have a panic at line 156 when your input is > 4"
A model checker can do that!
See this
https://model-checking.github.io/kani/tutorial-kinds-of-fail...
Other techniques are also possible
https://github.com/viperproject/prusti-dev#quick-example
(Here I could link a lot of things, I just selected two Rust projects to illustrate)
This works better if you are able to provide contracts in your API that says which guarantees you provide. Alternatively, asserts are useful too.
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Programming Languages Going Above and Beyond
You might be interested in the Prusti project, which statically checks for absence of reachable panics, overflows etc. It also allows user-defined specifications such as pre and post-conditions, loop body invariants, termination checking and so on.
https://github.com/viperproject/prusti-dev
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Trying to find a crate that allows you to constrain the value of arguments in various ways via a proc macro
This is called refinement types and prusti might be the project you saw.
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rustc-plugin: A framework for writing plugins that integrate with the Rust compiler
But there's also a lot of exciting work around formal verification like Prusti.
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Is there something like "super-safe" rust?
prusti
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A plan for cybersecurity and grid safety
Efforts: seL4, Project Everest, the Prossimo project of the ISRG, Let's Encrypt, and Prusti for the Rust language
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Prop v0.42 released! Don't panic! The answer is... support for dependent types :)
Wow that sounds really cool! I'm not an expert but does that mean that one day you could implement dependend types or refinement types in Rust as a crate ? I currently only know of tools like: Flux Creusot Kani Prusti
- Prusti: Static Analyzer for Rust
What are some alternatives?
emuiibo - Virtual amiibo (amiibo emulation) system for Nintendo Switch
MIRAI - Rust mid-level IR Abstract Interpreter
artillery - Fire-forged cluster management & Distributed data protocol
kani - Kani Rust Verifier
Rudra - Rust Memory Safety & Undefined Behavior Detection
synth - The Declarative Data Generator
automem - C++-style automatic memory management smart pointers for D
rustig - A tool to detect code paths leading to Rust's panic handler
tectonic - A modernized, complete, self-contained TeX/LaTeX engine, powered by XeTeX and TeXLive.
retina - High-level RTSP multimedia streaming library, in Rust
rust - Empowering everyone to build reliable and efficient software.