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// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --expose-wasm
load("test/mjsunit/wasm/wasm-module-builder.js");
const kTableSize = 3;
var m_i_v;
var m_i_i;
var m_i_ii;
(function BuildExportedMethods() {
print("BuildingExportedMethods...");
let builder = new WasmModuleBuilder();
let sig_v_v = builder.addType(kSig_v_v);
let sig_i_ii = builder.addType(kSig_i_ii);
let sig_i_i = builder.addType(kSig_i_i);
let sig_i_v = builder.addType(kSig_i_v);
print("exported[i_v] = " + sig_i_v);
print("exported[i_i] = " + sig_i_i);
print("exported[i_ii] = " + sig_i_ii);
builder.addFunction("", sig_i_v)
.addBody([
kExprI32Const, 41]) // --
.exportAs("m_i_v");
builder.addFunction("m_i_i", sig_i_i)
.addBody([
kExprI32Const, 42]) // --
.exportAs("m_i_i");
builder.addFunction("m_i_ii", sig_i_ii)
.addBody([
kExprI32Const, 43]) // --
.exportAs("m_i_ii");
let module = new WebAssembly.Module(builder.toBuffer());
let instance = new WebAssembly.Instance(module);
m_i_v = instance.exports.m_i_v;
m_i_i = instance.exports.m_i_i;
m_i_ii = instance.exports.m_i_ii;
m_i_v.sig = kSig_i_v;
m_i_i.sig = kSig_i_i;
m_i_ii.sig = kSig_i_ii;
})();
function caller_module() {
let builder = new WasmModuleBuilder();
let sig_i_v = builder.addType(kSig_i_v);
let sig_i_ii = builder.addType(kSig_i_ii);
let sig_i_i = builder.addType(kSig_i_i);
print("imported[i_v] = " + sig_i_v);
print("imported[i_i] = " + sig_i_i);
print("imported[i_ii] = " + sig_i_ii);
builder.addFunction("call1", sig_i_i)
.addBody([
kExprGetLocal, 0, // --
kExprCallIndirect, sig_i_v, kTableZero]) // --
.exportAs("call1");
builder.addFunction("call2", sig_i_i)
.addBody([
kExprI32Const, 11, // --
kExprGetLocal, 0,
kExprCallIndirect, sig_i_i, kTableZero]) // --
.exportAs("call2");
builder.addFunction("call3", sig_i_i)
.addBody([
kExprI32Const, 21,
kExprI32Const, 22,
kExprGetLocal, 0,
kExprCallIndirect, sig_i_ii, kTableZero]) // --
.exportAs("call3");
builder.addImportedTable("imp", "table", kTableSize, kTableSize);
return builder.toModule();
}
function call(func, ...args) {
try {
return "" + func.apply(undefined, args);
} catch (e) {
return "!" + e;
}
}
function DoCalls(table, calls) {
for (func of calls) {
print("func = " + func);
for (var i = 0; i < 4; i++) {
print(" i = " + i);
var expectThrow = true;
var exp = null;
if (i < table.length) {
exported = table.get(i);
expectThrow = (exported.sig != func.sig);
print(" exp=" + exported);
print(" throw=" + expectThrow);
} else {
print(" exp=<oob>");
}
print(" result=" + call(func, i));
if (expectThrow) {
assertThrows(() => func(i), WebAssembly.RuntimeError);
} else {
assertEquals(exported(0), func(i));
}
}
}
}
(function TestExecute() {
print("TestExecute");
let module = caller_module();
let table = new WebAssembly.Table({element: "anyfunc",
initial: kTableSize, maximum: kTableSize});
let instance = new WebAssembly.Instance(module, {imp: {table: table}});
instance.exports.call1.sig = kSig_i_v;
instance.exports.call2.sig = kSig_i_i;
instance.exports.call3.sig = kSig_i_ii;
let exports = [m_i_v, m_i_i, m_i_ii];
let calls = [instance.exports.call1,
instance.exports.call2,
instance.exports.call3];
for (f0 of exports) {
for (f1 of exports) {
for (f2 of exports) {
table.set(0, f0);
table.set(1, f1);
table.set(2, f2);
DoCalls(table, calls);
}
}
}
})();