mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-14 14:45:40 +00:00
75 lines
2.0 KiB
Rust
75 lines
2.0 KiB
Rust
use wabt::wat2wasm;
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use wasmer_runtime::{Instance, Imports, Import, FuncRef, table::TableBacking, types::{Value, Type, Table, FuncSig, ElementType}, module::Module};
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use std::sync::Arc;
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use wasmer_clif_backend::CraneliftCompiler;
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fn main() {
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let mut instance = create_module_1();
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let result = instance.call("signature-implicit-reused", &[]);
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println!("result: {:?}", result);
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}
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fn create_module_1() -> Box<Instance> {
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let module_str = "(module
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(import \"spectest\" \"memory\" (memory (;0;) 0))
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(data (;0;) (i32.const 0) \"\"))
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";
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let wasm_binary = wat2wasm(module_str.as_bytes()).expect("WAST not valid or malformed");
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let module = wasmer_runtime::compile(&wasm_binary[..], &CraneliftCompiler::new()).expect("WASM can't be compiled");
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module.instantiate(&spectest_importobject()).expect("WASM can't be instantiated")
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}
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extern "C" fn print_i32(num: i32) {
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println!("{}", num);
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}
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extern "C" fn print() {}
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static GLOBAL_I32: i32 = 666;
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pub fn spectest_importobject() -> Imports {
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let mut import_object = Imports::new();
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import_object.add(
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"spectest",
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"print_i32",
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Import::Func(
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unsafe { FuncRef::new(print_i32 as _) },
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FuncSig {
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params: vec![Type::I32],
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returns: vec![],
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},
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),
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);
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import_object.add(
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"spectest",
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"print",
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Import::Func(
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unsafe { FuncRef::new(print as _) },
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FuncSig {
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params: vec![],
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returns: vec![],
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},
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),
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);
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import_object.add(
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"spectest".to_string(),
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"global_i32".to_string(),
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Import::Global(Value::I64(GLOBAL_I32 as _)),
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);
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let table = Table {
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ty: ElementType::Anyfunc,
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min: 0,
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max: Some(30),
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};
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import_object.add(
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"spectest".to_string(),
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"table".to_string(),
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Import::Table(Arc::new(TableBacking::new(&table)), table),
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);
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return import_object;
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} |