v8/test/mjsunit/wasm/externref-globals.js
Manos Koukoutos 7c74a9caea [wasm][test] Represent constant expressions with bytes
Maintaining an AST class just for testing constant exressions does not
seem justified. This CL changes constant expressions in mjsunit tests
to be represented with bytes, like regular expressions.

Change-Id: If5ec5f4d863176952442b1a7e2fec8a61e385971
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3714237
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81266}
2022-06-21 09:03:18 +00:00

620 lines
20 KiB
JavaScript

// Copyright 2018 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-gc
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
(function TestDefaultValue() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
const g_null = builder.addGlobal(kWasmExternRef, true).index;
const g_nullfunc = builder.addGlobal(kWasmAnyFunc, true).index;
builder.addFunction("get_externref_global", kSig_r_v)
.addBody([kExprGlobalGet, g_null])
.exportAs("get_externref_global");
builder.addFunction("get_anyfunc_global", kSig_a_v)
.addBody([kExprGlobalGet, g_nullfunc])
.exportAs("get_anyfunc_global");
const instance = builder.instantiate();
assertEquals(null, instance.exports.get_externref_global());
assertEquals(null, instance.exports.get_anyfunc_global());
})();
(function TestDefaultValueSecondGlobal() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
const g_setref = builder.addGlobal(kWasmExternRef, true);
const g_setfunc = builder.addGlobal(kWasmAnyFunc, true);
const g_null = builder.addGlobal(kWasmExternRef, true);
const g_nullfunc = builder.addGlobal(kWasmAnyFunc, true);
builder.addFunction("get_externref_global", kSig_r_r)
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, g_setref.index,
kExprGlobalGet, g_null.index
])
.exportAs("get_externref_global");
builder.addFunction("get_anyfunc_global", kSig_a_a)
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, g_setfunc.index,
kExprGlobalGet, g_nullfunc.index
])
.exportAs("get_anyfunc_global");
const instance = builder.instantiate();
assertEquals(null, instance.exports.get_externref_global({}));
assertEquals(null, instance.exports.get_anyfunc_global(
instance.exports.get_externref_global));
})();
(function TestExternRefGlobalChangeValue() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
// Dummy global for offset.
builder.addGlobal(kWasmExternRef, true);
const g = builder.addGlobal(kWasmExternRef, true);
builder.addFunction("main", kSig_r_r)
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, g.index,
kExprGlobalGet, g.index
])
.exportAs("main");
const instance = builder.instantiate();
const test_value = { hello: 'world' };
assertSame(test_value, instance.exports.main(test_value));
})();
(function TestAnyFuncGlobalChangeValue() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
// Dummy global for offset.
builder.addGlobal(kWasmAnyFunc, true);
const g = builder.addGlobal(kWasmAnyFunc, true);
builder.addFunction("main", kSig_a_a)
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, g.index,
kExprGlobalGet, g.index
])
.exportAs("main");
const instance = builder.instantiate();
const test_value = instance.exports.main;
assertSame(test_value, instance.exports.main(test_value));
})();
(function TestGlobalChangeValueWithGC() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
const gc_index = builder.addImport("q", "gc", kSig_v_v);
// Dummy global for offset.
builder.addGlobal(kWasmExternRef, true);
const g = builder.addGlobal(kWasmExternRef, true);
builder.addFunction("main", kSig_r_r)
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, g.index,
kExprCallFunction, gc_index, // call gc
kExprGlobalGet, g.index
])
.exportAs("main");
const instance = builder.instantiate({ q: { gc: gc } });
const test_value = { hello: 'world' };
assertSame(test_value, instance.exports.main(test_value));
assertSame(5, instance.exports.main(5));
assertSame("Hello", instance.exports.main("Hello"));
})();
(function TestGlobalAsRoot() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
const g = builder.addGlobal(kWasmExternRef, true);
builder.addFunction("get_global", kSig_r_v)
.addBody([
kExprGlobalGet, g.index
])
.exportAs("get_global");
builder.addFunction("set_global", kSig_v_r)
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, g.index
])
.exportAs("set_global");
const instance = builder.instantiate();
let test_value = { hello: 'world' };
instance.exports.set_global(test_value);
test_value = null;
gc();
const result = instance.exports.get_global();
assertEquals('world', result.hello);
})();
(function TestImportedExternRef() {
print(arguments.callee.name);
function Test(obj) {
let builder = new WasmModuleBuilder();
const g = builder.addImportedGlobal('m', 'val', kWasmExternRef);
builder.addFunction('main', kSig_r_v)
.addBody([kExprGlobalGet, g])
.exportAs('main');
const instance = builder.instantiate({ m: { val: obj } });
assertSame(obj, instance.exports.main());
}
Test(null);
Test(undefined);
Test(1653);
Test("mystring");
Test({ q: 14 });
Test(print);
})();
function dummy_func() {
let builder = new WasmModuleBuilder();
builder.addFunction("dummy", kSig_i_v)
.addBody([kExprI32Const, 12])
.exportAs("dummy");
return builder.instantiate().exports.dummy;
}
(function TestImportedAnyFunc() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
const g = builder.addImportedGlobal('m', 'val', kWasmAnyFunc);
builder.addFunction('main', kSig_a_v)
.addBody([kExprGlobalGet, g])
.exportAs('main');
const module = builder.toModule();
const instance = new WebAssembly.Instance(module, { m: { val: null } });
assertSame(null, instance.exports.main());
const instance2 = new WebAssembly.Instance(
module, { m: { val: instance.exports.main } });
assertSame(instance.exports.main, instance2.exports.main());
assertThrows(() => new WebAssembly.Instance(module, { m: { val: {} } }),
WebAssembly.LinkError);
})();
(function TestExternRefGlobalObjectDefaultValue() {
print(arguments.callee.name);
let default_init = new WebAssembly.Global({ value: 'externref', mutable: true });
assertSame(null, default_init.value);
assertSame(null, default_init.valueOf());
})();
(function TestAnyFuncGlobalObjectDefaultValue() {
print(arguments.callee.name);
let default_init = new WebAssembly.Global({ value: 'anyfunc', mutable: true });
assertSame(null, default_init.value);
assertSame(null, default_init.valueOf());
})();
(function TestExternRefGlobalObject() {
print(arguments.callee.name);
function TestGlobal(obj) {
const global = new WebAssembly.Global({ value: 'externref' }, obj);
assertSame(obj, global.value);
assertSame(obj, global.valueOf());
}
TestGlobal(null);
TestGlobal(undefined);
TestGlobal(1663);
TestGlobal("testmyglobal");
TestGlobal({ a: 11 });
TestGlobal(print);
})();
(function TestAnyFuncGlobalObject() {
print(arguments.callee.name);
const dummy = dummy_func();
const global = new WebAssembly.Global({ value: 'anyfunc' }, dummy);
assertSame(dummy, global.value);
assertSame(dummy, global.valueOf());
const global_null = new WebAssembly.Global({ value: 'anyfunc' }, null);
assertSame(null, global_null.value);
assertSame(null, global_null.valueOf());
assertThrows(() => new WebAssembly.Global({ value: 'anyfunc' }, {}), TypeError);
})();
(function TestExternRefGlobalObjectSetValue() {
print(arguments.callee.name);
let global = new WebAssembly.Global({ value: 'externref', mutable: true });
function TestGlobal(obj) {
global.value = obj;
assertSame(obj, global.value);
assertSame(obj, global.valueOf());
}
TestGlobal(null);
TestGlobal(undefined);
TestGlobal(1663);
TestGlobal("testmyglobal");
TestGlobal({ a: 11 });
TestGlobal(print);
})();
(function TestAnyFuncGlobalObjectSetValue() {
print(arguments.callee.name);
let global = new WebAssembly.Global({ value: 'anyfunc', mutable: true });
const dummy = dummy_func();
global.value = dummy;
assertSame(dummy, global.value);
assertSame(dummy, global.valueOf());
global.value = null;
assertSame(null, global.value);
assertSame(null, global.valueOf());
assertThrows(() => global.value = {}, TypeError);
})();
(function TestExportMutableRefGlobal() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
const g1 = builder.addGlobal(kWasmExternRef, true).exportAs("global1");
const g2 = builder.addGlobal(kWasmAnyFunc, true).exportAs("global2");
builder.addGlobal(kWasmI32, true); // Dummy.
builder.addGlobal(kWasmExternRef, true); // Dummy.
const g3 = builder.addGlobal(kWasmExternRef, true).exportAs("global3");
const g4 = builder.addGlobal(kWasmAnyFunc, true).exportAs("global4");
builder.addFunction("main",
makeSig([kWasmExternRef, kWasmAnyFunc, kWasmExternRef, kWasmAnyFunc], []))
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, g1.index,
kExprLocalGet, 1,
kExprGlobalSet, g2.index,
kExprLocalGet, 2,
kExprGlobalSet, g3.index,
kExprLocalGet, 3,
kExprGlobalSet, g4.index
])
.exportAs("main");
const instance = builder.instantiate();
const obj1 = { x: 221 };
const func2 = instance.exports.main;
const obj3 = print;
const func4 = dummy_func();
instance.exports.main(obj1, func2, obj3, func4);
assertSame(obj1, instance.exports.global1.value);
assertSame(func2, instance.exports.global2.value);
assertSame(obj3, instance.exports.global3.value);
assertSame(func4, instance.exports.global4.value);
})();
(function TestImportMutableExternRefGlobal() {
print(arguments.callee.name);
function Test(obj) {
let builder = new WasmModuleBuilder();
const g = builder.addImportedGlobal('m', 'val', kWasmExternRef, true);
builder.addFunction('main', kSig_r_v)
.addBody([kExprGlobalGet, g])
.exportAs('main');
const global = new WebAssembly.Global({ value: 'externref', mutable: 'true' }, obj);
const instance = builder.instantiate({ m: { val: global } });
assertSame(obj, instance.exports.main());
}
Test(null);
Test(undefined);
Test(1653);
Test("mystring");
Test({ q: 14 });
Test(print);
})();
(function TestImportMutableAnyFuncGlobal() {
print(arguments.callee.name);
function Test(obj) {
let builder = new WasmModuleBuilder();
const g = builder.addImportedGlobal('m', 'val', kWasmAnyFunc, true);
builder.addFunction('main', kSig_a_v)
.addBody([kExprGlobalGet, g])
.exportAs('main');
const global = new WebAssembly.Global({ value: 'anyfunc', mutable: 'true' }, obj);
const instance = builder.instantiate({ m: { val: global } });
assertSame(obj, instance.exports.main());
}
Test(dummy_func());
Test(null);
})();
(function TestImportMutableExternRefGlobalFromOtherInstance() {
print(arguments.callee.name);
// Create an instance which exports globals.
let builder1 = new WasmModuleBuilder();
const g3 = builder1.addGlobal(kWasmExternRef, true).exportAs("e3");
builder1.addGlobal(kWasmI32, true).exportAs("e1"); // Dummy.
builder1.addGlobal(kWasmExternRef, true).exportAs("e4"); // Dummy.
const g2 = builder1.addGlobal(kWasmExternRef, true).exportAs("e2");
builder1.addFunction("set_globals", kSig_v_rr)
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, g2.index,
kExprLocalGet, 1,
kExprGlobalSet, g3.index,
])
.exportAs("set_globals");
builder1.addFunction('get_global2', kSig_r_v)
.addBody([kExprGlobalGet, g2.index])
.exportAs('get_global2');
builder1.addFunction('get_global3', kSig_r_v)
.addBody([kExprGlobalGet, g3.index])
.exportAs('get_global3');
const instance1 = builder1.instantiate();
const obj2 = { x: 221 };
const obj3 = print;
instance1.exports.set_globals(obj2, obj3);
// Create an instance which imports the globals of the other instance.
let builder2 = new WasmModuleBuilder();
const i1 = builder2.addImportedGlobal('exports', 'e1', kWasmI32, true);
const i2 = builder2.addImportedGlobal('exports', 'e2', kWasmExternRef, true);
const i3 = builder2.addImportedGlobal('exports', 'e3', kWasmExternRef, true);
const i4 = builder2.addImportedGlobal('exports', 'e4', kWasmExternRef, true);
builder2.addExportOfKind("reexport1", kExternalGlobal, i1);
builder2.addExportOfKind("reexport2", kExternalGlobal, i2);
builder2.addExportOfKind("reexport3", kExternalGlobal, i3);
builder2.addExportOfKind("reexport4", kExternalGlobal, i4);
builder2.addFunction("set_globals", kSig_v_rr)
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, i2,
kExprLocalGet, 1,
kExprGlobalSet, i3,
])
.exportAs("set_globals");
builder2.addFunction('get_global2', kSig_r_v)
.addBody([kExprGlobalGet, i2])
.exportAs('get_global2');
builder2.addFunction('get_global3', kSig_r_v)
.addBody([kExprGlobalGet, i3])
.exportAs('get_global3');
const instance2 = builder2.instantiate(instance1);
// Check if the globals were imported correctly.
assertSame(obj2, instance2.exports.get_global2());
assertSame(obj3, instance2.exports.get_global3());
assertSame(obj2, instance2.exports.reexport2.value);
assertSame(obj3, instance2.exports.reexport3.value);
// Check if instance2 can make changes visible for instance1.
instance2.exports.set_globals(null, undefined);
assertEquals(null, instance1.exports.get_global2());
assertEquals(undefined, instance1.exports.get_global3());
assertEquals(null, instance2.exports.reexport2.value);
assertEquals(undefined, instance2.exports.reexport3.value);
// Check if instance1 can make changes visible for instance2.
instance1.exports.set_globals("foo", 66343);
assertEquals("foo", instance2.exports.get_global2());
assertEquals(66343, instance2.exports.get_global3());
assertEquals("foo", instance2.exports.reexport2.value);
assertEquals(66343, instance2.exports.reexport3.value);
const bar2 = { f: "oo" };
const bar3 = { b: "ar" };
instance2.exports.reexport2.value = bar2;
instance2.exports.reexport3.value = bar3;
assertSame(bar2, instance1.exports.get_global2());
assertSame(bar3, instance1.exports.get_global3());
assertSame(bar2, instance2.exports.get_global2());
assertSame(bar3, instance2.exports.get_global3());
})();
(function TestImportMutableAnyFuncGlobalFromOtherInstance() {
print(arguments.callee.name);
// Create an instance which exports globals.
let builder1 = new WasmModuleBuilder();
const g3 = builder1.addGlobal(kWasmAnyFunc, true).exportAs("e3");
builder1.addGlobal(kWasmI32, true).exportAs("e1"); // Dummy.
builder1.addGlobal(kWasmAnyFunc, true).exportAs("e4"); // Dummy.
const g2 = builder1.addGlobal(kWasmAnyFunc, true).exportAs("e2");
builder1.addFunction("set_globals", kSig_v_aa)
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, g2.index,
kExprLocalGet, 1,
kExprGlobalSet, g3.index,
])
.exportAs("set_globals");
builder1.addFunction('get_global2', kSig_a_v)
.addBody([kExprGlobalGet, g2.index])
.exportAs('get_global2');
builder1.addFunction('get_global3', kSig_a_v)
.addBody([kExprGlobalGet, g3.index])
.exportAs('get_global3');
const instance1 = builder1.instantiate();
const obj2 = dummy_func();
const obj3 = instance1.exports.set_globals;
const obj4 = instance1.exports.get_global3;
instance1.exports.set_globals(obj2, obj3);
// Create an instance which imports the globals of the other instance.
let builder2 = new WasmModuleBuilder();
const i1 = builder2.addImportedGlobal('exports', 'e1', kWasmI32, true);
const i2 = builder2.addImportedGlobal('exports', 'e2', kWasmAnyFunc, true);
const i3 = builder2.addImportedGlobal('exports', 'e3', kWasmAnyFunc, true);
const i4 = builder2.addImportedGlobal('exports', 'e4', kWasmAnyFunc, true);
builder2.addExportOfKind("reexport1", kExternalGlobal, i1);
builder2.addExportOfKind("reexport2", kExternalGlobal, i2);
builder2.addExportOfKind("reexport3", kExternalGlobal, i3);
builder2.addExportOfKind("reexport4", kExternalGlobal, i4);
builder2.addFunction("set_globals", kSig_v_aa)
.addBody([
kExprLocalGet, 0,
kExprGlobalSet, i2,
kExprLocalGet, 1,
kExprGlobalSet, i3,
])
.exportAs("set_globals");
builder2.addFunction('get_global2', kSig_a_v)
.addBody([kExprGlobalGet, i2])
.exportAs('get_global2');
builder2.addFunction('get_global3', kSig_a_v)
.addBody([kExprGlobalGet, i3])
.exportAs('get_global3');
const instance2 = builder2.instantiate(instance1);
// Check if the globals were imported correctly.
assertSame(obj2, instance2.exports.get_global2());
assertSame(obj3, instance2.exports.get_global3());
assertSame(obj2, instance2.exports.reexport2.value);
assertSame(obj3, instance2.exports.reexport3.value);
// Check if instance2 can make changes visible for instance1.
instance2.exports.set_globals(null, obj4);
assertEquals(null, instance1.exports.get_global2());
assertEquals(obj4, instance1.exports.get_global3());
assertEquals(null, instance2.exports.reexport2.value);
assertEquals(obj4, instance2.exports.reexport3.value);
// Check if instance1 can make changes visible for instance2.
instance1.exports.set_globals(obj2, obj3);
assertEquals(obj2, instance2.exports.get_global2());
assertEquals(obj3, instance2.exports.get_global3());
assertEquals(obj2, instance2.exports.reexport2.value);
assertEquals(obj3, instance2.exports.reexport3.value);
})();
(function TestImportMutableAnyFuncGlobalAsExternRefFails() {
print(arguments.callee.name);
let builder1 = new WasmModuleBuilder();
const g3 = builder1.addGlobal(kWasmAnyFunc, true).exportAs("e3");
builder1.addGlobal(kWasmExternRef, true).exportAs("e1"); // Dummy.
builder1.addGlobal(kWasmAnyFunc, true).exportAs("e2"); // Dummy.
const instance1 = builder1.instantiate();
let builder2 = new WasmModuleBuilder();
const i1 = builder2.addImportedGlobal('exports', 'e1', kWasmExternRef, true);
const i2 = builder2.addImportedGlobal('exports', 'e2', kWasmExternRef, true);
assertThrows(() => builder2.instantiate(instance1), WebAssembly.LinkError);
})();
(function TestRefFuncGlobalInit() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
const f_func = builder.addFunction('get_anyfunc_global', kSig_a_v)
builder.addDeclarativeElementSegment([f_func.index]);
const g_func = builder.addGlobal(kWasmAnyFunc, true,
[kExprRefFunc, f_func.index]);
// Doing this here to break the cyclic dependency with g_func.
f_func.addBody([kExprGlobalGet, g_func.index])
.exportAs('get_anyfunc_global');
const instance = builder.instantiate();
assertEquals(
instance.exports.get_anyfunc_global,
instance.exports.get_anyfunc_global());
})();
(function TestRefFuncGlobalInitWithImport() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
const sig_index = builder.addType(kSig_i_v);
const import_wasm = builder.addImport('m', 'wasm', sig_index);
const import_js = builder.addImport('m', 'js', sig_index);
const g_wasm = builder.addGlobal(kWasmAnyFunc, true,
[kExprRefFunc, import_wasm]);
const g_js = builder.addGlobal(kWasmAnyFunc, true,
[kExprRefFunc, import_js]);
builder.addDeclarativeElementSegment([import_wasm, import_js]);
builder.addFunction('get_global_wasm', kSig_a_v)
.addBody([kExprGlobalGet, g_wasm.index])
.exportFunc();
builder.addFunction('get_global_js', kSig_a_v)
.addBody([kExprGlobalGet, g_js.index])
.exportFunc();
const expected_wasm = dummy_func();
const expected_val = 27;
// I want to test here that imported JS functions get wrapped by wasm-to-js
// and js-to-wasm wrappers. That's why {expected_js} does not return an
// integer directly but an object with a {valueOf} function.
function expected_js() {
const result = {};
result.valueOf = () => expected_val;
return result;
};
const instance =
builder.instantiate({m: {wasm: expected_wasm, js: expected_js}});
assertSame(expected_wasm, instance.exports.get_global_wasm());
assertSame(expected_val, instance.exports.get_global_js()());
})();
(function TestSetGlobalWriteBarrier() {
print(arguments.callee.name);
let builder = new WasmModuleBuilder();
const global = builder.addGlobal(kWasmExternRef, true).index;
builder.addFunction("set_global", kSig_v_r)
.addBody([kExprLocalGet, 0, kExprGlobalSet, global])
.exportFunc();
builder.addFunction("get_global", kSig_r_v)
.addBody([kExprGlobalGet, global])
.exportFunc();
const instance = builder.instantiate();
// Trigger GC twice to make sure the instance is moved to mature space.
gc();
gc();
const test_value = { hello: 'world' };
instance.exports.set_global(test_value);
// Run another GC to test if the writebarrier existed.
gc();
assertSame(test_value, instance.exports.get_global());
})();