Wasmer

Does Wasmer support NaN standardization?

Differences between debug and release configuration

What are the differences between debug and release modes in building Wasmer? I'm finding that they have unexpectedly large differences... I have a WASM module that gets an out of bounds memory access error with release-mode Wasmer, but works with debug-Wasmer. I reproduced this…

How to store functions in a vector(Rust)

I want to keep all the Func<> that I have created in a vector, but I don't know how to. It only works if I specify the arguments and returns like this : Vec<Func<'a, (u64, u64), u64>> But I want to store Func of different arguments and returns.

Looking for generalizing Ctx.data and WasiState

I have the following requirements: 1. Provide my custom implementation of some WASI functions. Ideally through a trait that the functions passed as imports delegate to. My trait implementation would delegate to the built in implementation when appropriate. Such trait would…

read_string_from_wasm (emscripten's internal utils)

Hi! I find myself wanting to copy that read_string_from_wasm function into my sources, interacting with an instance's memory. I'm not too familiar with Rust yet, am I missing something? There's CStr, and I wonder if I should rather somehow combine that with WasmPtr...? The WASM…

Failure running plugin sample on mac

wasmer maxim$ cargo run --example plugin Finished dev [unoptimized + debuginfo] target(s) in 0.17s Running target/debug/examples/plugin …

Gas Metering in WASMER

On what basis gas cost is estimated? I mean is if based on any specific processor? What is the cost for each opcodes? Where can I found the list?

Run untrusted code

Hey, I would like to embed wasmer in C application to run untrusted code. I saw that this feature is still not available (https://wasmer.io/coming-soon). Any chance its planned to be available soon? Thanks, …

What's the best way to overload stdin/stdout for wasi module in Rust

Hi All, I use wasmer-rust-api to run WASI code from Rust app and it works great. Now I want to sandbox stdin and stdout for WASI code, rather redirect it to stream. Is there a good way or good example of how to best achieve that? Thanks

link errors

Wasmer is amazing ! With the Python wasmer API, i'm loading some WASM files and i can list the 'exports', this works with the most basic WASM files that have no deps/links, however with anything else loading a WASM files with '17 link errors: (1 of 17) Import not found ' etc ...…