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Get Wasi working

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This commit is contained in:
Isaac Clayton 2022-06-06 08:40:56 +02:00
parent b84948711c
commit 17d15b2f08
9 changed files with 597 additions and 21 deletions
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17
crates/plugin_runtime/src/wasm.rs
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@ -6,21 +6,20 @@ use wasmtime::{Engine, Func, Instance, Memory, MemoryType, Module, Store, TypedF
use crate::*;
pub struct Wasm<T> {
pub struct Wasm {
engine: Engine,
module: Module,
store: Store<T>,
store: Store<()>,
instance: Instance,
alloc_buffer: TypedFunc<i32, i32>,
// free_buffer: TypedFunc<(i32, i32), ()>,
}
pub struct WasmPlugin<T> {
pub struct WasmPlugin {
pub source_bytes: Vec<u8>,
pub store_data: T,
}
impl<T> Wasm<T> {
impl Wasm {
pub fn dump_memory(data: &[u8]) {
for (i, byte) in data.iter().enumerate() {
if i % 32 == 0 {
@ -39,14 +38,14 @@ impl<T> Wasm<T> {
}
}
impl<S> Runtime for Wasm<S> {
type Plugin = WasmPlugin<S>;
impl Runtime for Wasm {
type Plugin = WasmPlugin;
type Error = anyhow::Error;
fn init(plugin: WasmPlugin<S>) -> Result<Self, Self::Error> {
fn init(plugin: WasmPlugin) -> Result<Self, Self::Error> {
let engine = Engine::default();
let module = Module::new(&engine, plugin.source_bytes)?;
let mut store: Store<S> = Store::new(&engine, plugin.store_data);
let mut store: Store<()> = Store::new(&engine, ());
let instance = Instance::new(&mut store, &module, &[])?;
let alloc_buffer = instance.get_typed_func(&mut store, "__alloc_buffer")?;