Files
wasmer/tests/compilers/issues.rs
2021-07-28 17:05:46 -07:00

79 lines
2.3 KiB
Rust

//! This file is mainly to assure specific issues are working well
use anyhow::Result;
use wasmer::*;
/// Corruption of WasmerEnv when using call indirect.
///
/// Note: this one is specific to Singlepass, but we want to test in all
/// available compilers.
///
/// https://github.com/wasmerio/wasmer/issues/2329
#[compiler_test(issues)]
fn issue_2329(mut config: crate::Config) -> Result<()> {
let store = config.store();
#[derive(Clone, Default, WasmerEnv)]
pub struct Env {
#[wasmer(export)]
memory: LazyInit<Memory>,
}
impl Env {
pub fn new() -> Self {
Self {
memory: LazyInit::new(),
}
}
}
pub fn read_memory(env: &Env, guest_ptr: u32) -> u32 {
dbg!(env.memory_ref());
dbg!(guest_ptr);
0
}
let wat = r#"
(module
(type (;0;) (func (param i32) (result i32)))
(type (;1;) (func))
(type (;2;) (func (param i32 i32) (result i32)))
(import "env" "__read_memory" (func $__read_memory (type 0)))
(func $read_memory (type 1)
(drop
(call $_ZN5other8dispatch17h053cb34ef5d0d7b0E
(i32.const 1)
(i32.const 2)))
(drop
(call $__read_memory
(i32.const 1))))
(func $_ZN5other8dispatch17h053cb34ef5d0d7b0E (type 2) (param i32 i32) (result i32)
(call_indirect (type 0)
(local.get 1)
(local.get 0)))
(table (;0;) 2 2 funcref)
(memory (;0;) 16)
(global (;0;) (mut i32) (i32.const 1048576))
(global (;1;) i32 (i32.const 1048576))
(global (;2;) i32 (i32.const 1048576))
(export "memory" (memory 0))
(export "read_memory" (func $read_memory))
(export "__data_end" (global 1))
(export "__heap_base" (global 2))
(elem (;0;) (i32.const 1) func $__read_memory))
"#;
let module = Module::new(&store, wat)?;
let env = Env::new();
let imports: ImportObject = imports! {
"env" => {
"__read_memory" => Function::new_native_with_env(
&store,
env.clone(),
read_memory
),
}
};
let instance = Instance::new(&module, &imports)?;
instance.exports.get_function("read_memory")?.call(&[])?;
Ok(())
}