blob: fba01318f8a4f9879f522e7f188d7332493b1143 [file] [log] [blame]
import Builder from '../Builder.js';
import * as assert from '../assert.js';
{
const memoryDescription = {initial: 0, maximum: 2};
const builder = (new Builder())
.Type().End()
.Import()
.Memory("imp", "memory", memoryDescription)
.Function("imp", "func", {params: [], ret: "void"})
.End()
.Function().End()
.Export()
.Function("foo")
.End()
.Code()
.Function("foo", {params: ["i32"], ret: "i32"})
.Call(0)
.GetLocal(0)
.I32Load(0, 0)
.Return()
.End()
.End();
const bin = builder.WebAssembly().get();
const module = new WebAssembly.Module(bin);
const memory = new WebAssembly.Memory(memoryDescription);
const func = () => {
memory.grow(1);
(new Uint32Array(memory.buffer))[0] = 42;
};
const instance = new WebAssembly.Instance(module, {imp: {memory, func}});
assert.eq(instance.exports.foo(0), 42);
}
{
const memoryDescription = {initial: 0, maximum: 2};
const tableDescription = {initial: 1, maximum: 1, element: "anyfunc"};
const builder = (new Builder())
.Type()
.Func([], "void")
.End()
.Import()
.Memory("imp", "memory", memoryDescription)
.Function("imp", "func", {params: [], ret: "void"})
.Table("imp", "table", tableDescription)
.End()
.Function().End()
.Export()
.Function("foo")
.Function("bar")
.End()
.Code()
.Function("foo", {params: ["i32"], ret: "i32"})
.I32Const(0)
.CallIndirect(0, 0) // call [] => void
.GetLocal(0)
.I32Load(0, 0)
.Return()
.End()
.Function("bar", {params: [], ret: "void"})
.Call(0)
.Return()
.End()
.End();
const bin = builder.WebAssembly().get();
const module = new WebAssembly.Module(bin);
const memory = new WebAssembly.Memory(memoryDescription);
const table = new WebAssembly.Table(tableDescription);
const func = () => {
memory.grow(1);
(new Uint32Array(memory.buffer))[0] = 0xbadbeef;
};
const instance = new WebAssembly.Instance(module, {imp: {memory, func, table}});
table.set(0, instance.exports.bar);
assert.eq(instance.exports.foo(0), 0xbadbeef);
}