mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-14 22:55:40 +00:00
56 lines
1.9 KiB
Rust
56 lines
1.9 KiB
Rust
use wabt::wat2wasm;
|
|
use wasmer_clif_backend::CraneliftCompiler;
|
|
use wasmer_runtime::{import::ImportObject, Instance};
|
|
|
|
fn main() {
|
|
let mut instance = create_module_1();
|
|
let result = instance.call("call-overwritten-element", &[]);
|
|
println!("result: {:?}", result);
|
|
}
|
|
|
|
fn create_module_1() -> Instance {
|
|
let module_str = r#"(module
|
|
(type (;0;) (func (result i32)))
|
|
(import "spectest" "table" (table (;0;) 10 anyfunc))
|
|
(func (;0;) (type 0) (result i32)
|
|
i32.const 65)
|
|
(func (;1;) (type 0) (result i32)
|
|
i32.const 66)
|
|
(func (;2;) (type 0) (result i32)
|
|
i32.const 9
|
|
call_indirect (type 0))
|
|
(export "call-overwritten-element" (func 2))
|
|
(elem (;0;) (i32.const 9) 0)
|
|
(elem (;1;) (i32.const 9) 1))
|
|
"#;
|
|
let wasm_binary = wat2wasm(module_str.as_bytes()).expect("WAST not valid or malformed");
|
|
let module = wasmer_runtime::compile(&wasm_binary[..], &CraneliftCompiler::new())
|
|
.expect("WASM can't be compiled");
|
|
module
|
|
.instantiate(generate_imports())
|
|
.expect("WASM can't be instantiated")
|
|
}
|
|
|
|
static IMPORT_MODULE: &str = r#"
|
|
(module
|
|
(type $t0 (func (param i32)))
|
|
(type $t1 (func))
|
|
(func $print_i32 (export "print_i32") (type $t0) (param $lhs i32))
|
|
(func $print (export "print") (type $t1))
|
|
(table $table (export "table") 10 20 anyfunc)
|
|
(memory $memory (export "memory") 1 2)
|
|
(global $global_i32 (export "global_i32") i32 (i32.const 666)))
|
|
"#;
|
|
|
|
pub fn generate_imports() -> ImportObject {
|
|
let wasm_binary = wat2wasm(IMPORT_MODULE.as_bytes()).expect("WAST not valid or malformed");
|
|
let module = wasmer_runtime::compile(&wasm_binary[..], &CraneliftCompiler::new())
|
|
.expect("WASM can't be compiled");
|
|
let instance = module
|
|
.instantiate(ImportObject::new())
|
|
.expect("WASM can't be instantiated");
|
|
let mut imports = ImportObject::new();
|
|
imports.register("spectest", instance);
|
|
imports
|
|
}
|