v8/test/mjsunit/wasm/interpreter.js
Clemens Hammacher be1135132a [wasm] [cleanup] Avoid shouting WASM
This CL removes most occurences of "WASM" from outputs and comments in
the code. They are replaced either by "WebAssembly" or (especially in
comments) "wasm". These are the spellings officially proposed on
http://webassembly.org/.

R=ahaas@chromium.org
BUG=v8:6474

Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: Id39fa5e25591678263745a4eab266db546e65983
Reviewed-on: https://chromium-review.googlesource.com/529085
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45824}
2017-06-09 16:24:19 +00:00

401 lines
14 KiB
JavaScript

// Copyright 2016 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: --wasm-interpret-all --allow-natives-syntax --expose-gc
load('test/mjsunit/wasm/wasm-constants.js');
load('test/mjsunit/wasm/wasm-module-builder.js');
// The stack trace contains file path, only keep "interpreter.js".
let stripPath = s => s.replace(/[^ (]*interpreter\.js/g, 'interpreter.js');
function checkStack(stack, expected_lines) {
print('stack: ' + stack);
var lines = stack.split('\n');
assertEquals(expected_lines.length, lines.length);
for (var i = 0; i < lines.length; ++i) {
let test =
typeof expected_lines[i] == 'string' ? assertEquals : assertMatches;
test(expected_lines[i], lines[i], 'line ' + i);
}
}
(function testCallImported() {
var stack;
let func = () => stack = new Error('test imported stack').stack;
var builder = new WasmModuleBuilder();
builder.addImport('mod', 'func', kSig_v_v);
builder.addFunction('main', kSig_v_v)
.addBody([kExprCallFunction, 0])
.exportFunc();
var instance = builder.instantiate({mod: {func: func}});
// Test that this does not mess up internal state by executing it three times.
for (var i = 0; i < 3; ++i) {
var interpreted_before = %WasmNumInterpretedCalls(instance);
instance.exports.main();
assertEquals(interpreted_before + 1, %WasmNumInterpretedCalls(instance));
checkStack(stripPath(stack), [
'Error: test imported stack', // -
/^ at func \(interpreter.js:\d+:28\)$/, // -
' at main (wasm-function[1]:1)', // -
/^ at testCallImported \(interpreter.js:\d+:22\)$/, // -
/^ at interpreter.js:\d+:3$/
]);
}
})();
(function testCallImportedWithParameters() {
var stack;
var passed_args = [];
let func1 = (i, j) => (passed_args.push(i, j), 2 * i + j);
let func2 = (f) => (passed_args.push(f), 8 * f);
var builder = new WasmModuleBuilder();
builder.addImport('mod', 'func1', makeSig([kWasmI32, kWasmI32], [kWasmF32]));
builder.addImport('mod', 'func2', makeSig([kWasmF64], [kWasmI32]));
builder.addFunction('main', makeSig([kWasmI32, kWasmF64], [kWasmF32]))
.addBody([
// call #0 with arg 0 and arg 0 + 1
kExprGetLocal, 0, kExprGetLocal, 0, kExprI32Const, 1, kExprI32Add,
kExprCallFunction, 0,
// call #1 with arg 1
kExprGetLocal, 1, kExprCallFunction, 1,
// convert returned value to f32
kExprF32UConvertI32,
// add the two values
kExprF32Add
])
.exportFunc();
var instance = builder.instantiate({mod: {func1: func1, func2: func2}});
var interpreted_before = %WasmNumInterpretedCalls(instance);
var args = [11, 0.3];
var ret = instance.exports.main(...args);
assertEquals(interpreted_before + 1, %WasmNumInterpretedCalls(instance));
var passed_test_args = [...passed_args];
var expected = func1(args[0], args[0] + 1) + func2(args[1]) | 0;
assertEquals(expected, ret);
assertArrayEquals([args[0], args[0] + 1, args[1]], passed_test_args);
})();
(function testTrap() {
var builder = new WasmModuleBuilder();
var foo_idx = builder.addFunction('foo', kSig_v_v)
.addBody([kExprNop, kExprNop, kExprUnreachable])
.index;
builder.addFunction('main', kSig_v_v)
.addBody([kExprNop, kExprCallFunction, foo_idx])
.exportFunc();
var instance = builder.instantiate();
// Test that this does not mess up internal state by executing it three times.
for (var i = 0; i < 3; ++i) {
var interpreted_before = %WasmNumInterpretedCalls(instance);
var stack;
try {
instance.exports.main();
assertUnreachable();
} catch (e) {
stack = e.stack;
}
assertEquals(interpreted_before + 2, %WasmNumInterpretedCalls(instance));
checkStack(stripPath(stack), [
'RuntimeError: unreachable', // -
' at foo (wasm-function[0]:3)', // -
' at main (wasm-function[1]:2)', // -
/^ at testTrap \(interpreter.js:\d+:24\)$/, // -
/^ at interpreter.js:\d+:3$/
]);
}
})();
(function testThrowFromImport() {
function func() {
throw new Error('thrown from imported function');
}
var builder = new WasmModuleBuilder();
builder.addImport("mod", "func", kSig_v_v);
builder.addFunction('main', kSig_v_v)
.addBody([kExprCallFunction, 0])
.exportFunc();
var instance = builder.instantiate({mod: {func: func}});
// Test that this does not mess up internal state by executing it three times.
for (var i = 0; i < 3; ++i) {
var interpreted_before = %WasmNumInterpretedCalls(instance);
var stack;
try {
instance.exports.main();
assertUnreachable();
} catch (e) {
stack = e.stack;
}
assertEquals(interpreted_before + 1, %WasmNumInterpretedCalls(instance));
checkStack(stripPath(stack), [
'Error: thrown from imported function', // -
/^ at func \(interpreter.js:\d+:11\)$/, // -
' at main (wasm-function[1]:1)', // -
/^ at testThrowFromImport \(interpreter.js:\d+:24\)$/, // -
/^ at interpreter.js:\d+:3$/
]);
}
})();
(function testGlobals() {
var builder = new WasmModuleBuilder();
builder.addGlobal(kWasmI32, true); // 0
builder.addGlobal(kWasmI64, true); // 1
builder.addGlobal(kWasmF32, true); // 2
builder.addGlobal(kWasmF64, true); // 3
builder.addFunction('get_i32', kSig_i_v)
.addBody([kExprGetGlobal, 0])
.exportFunc();
builder.addFunction('get_i64', kSig_d_v)
.addBody([kExprGetGlobal, 1, kExprF64SConvertI64])
.exportFunc();
builder.addFunction('get_f32', kSig_d_v)
.addBody([kExprGetGlobal, 2, kExprF64ConvertF32])
.exportFunc();
builder.addFunction('get_f64', kSig_d_v)
.addBody([kExprGetGlobal, 3])
.exportFunc();
builder.addFunction('set_i32', kSig_v_i)
.addBody([kExprGetLocal, 0, kExprSetGlobal, 0])
.exportFunc();
builder.addFunction('set_i64', kSig_v_d)
.addBody([kExprGetLocal, 0, kExprI64SConvertF64, kExprSetGlobal, 1])
.exportFunc();
builder.addFunction('set_f32', kSig_v_d)
.addBody([kExprGetLocal, 0, kExprF32ConvertF64, kExprSetGlobal, 2])
.exportFunc();
builder.addFunction('set_f64', kSig_v_d)
.addBody([kExprGetLocal, 0, kExprSetGlobal, 3])
.exportFunc();
var instance = builder.instantiate();
// Initially, all should be zero.
assertEquals(0, instance.exports.get_i32());
assertEquals(0, instance.exports.get_i64());
assertEquals(0, instance.exports.get_f32());
assertEquals(0, instance.exports.get_f64());
// Assign values to all variables.
var values = [4711, 1<<40 + 1 << 33, 0.3, 12.34567];
instance.exports.set_i32(values[0]);
instance.exports.set_i64(values[1]);
instance.exports.set_f32(values[2]);
instance.exports.set_f64(values[3]);
// Now check the values.
assertEquals(values[0], instance.exports.get_i32());
assertEquals(values[1], instance.exports.get_i64());
assertEqualsDelta(values[2], instance.exports.get_f32(), 2**-23);
assertEquals(values[3], instance.exports.get_f64());
})();
(function testReentrantInterpreter() {
var stacks;
var instance;
function func(i) {
stacks.push(new Error('reentrant interpreter test #' + i).stack);
if (i < 2) instance.exports.main(i + 1);
}
var builder = new WasmModuleBuilder();
builder.addImport('mod', 'func', kSig_v_i);
builder.addFunction('main', kSig_v_i)
.addBody([kExprGetLocal, 0, kExprCallFunction, 0])
.exportFunc();
instance = builder.instantiate({mod: {func: func}});
// Test that this does not mess up internal state by executing it three times.
for (var i = 0; i < 3; ++i) {
var interpreted_before = %WasmNumInterpretedCalls(instance);
stacks = [];
instance.exports.main(0);
assertEquals(interpreted_before + 3, %WasmNumInterpretedCalls(instance));
assertEquals(3, stacks.length);
for (var e = 0; e < stacks.length; ++e) {
expected = ['Error: reentrant interpreter test #' + e];
expected.push(/^ at func \(interpreter.js:\d+:17\)$/);
expected.push(' at main (wasm-function[1]:3)');
for (var k = e; k > 0; --k) {
expected.push(/^ at func \(interpreter.js:\d+:33\)$/);
expected.push(' at main (wasm-function[1]:3)');
}
expected.push(
/^ at testReentrantInterpreter \(interpreter.js:\d+:22\)$/);
expected.push(/ at interpreter.js:\d+:3$/);
checkStack(stripPath(stacks[e]), expected);
}
}
})();
(function testIndirectImports() {
var builder = new WasmModuleBuilder();
var sig_i_ii = builder.addType(kSig_i_ii);
var sig_i_i = builder.addType(kSig_i_i);
var mul = builder.addImport('q', 'mul', sig_i_ii);
var add = builder.addFunction('add', sig_i_ii).addBody([
kExprGetLocal, 0, kExprGetLocal, 1, kExprI32Add
]);
var mismatch =
builder.addFunction('sig_mismatch', sig_i_i).addBody([kExprGetLocal, 0]);
var main = builder.addFunction('main', kSig_i_iii)
.addBody([
// Call indirect #0 with args <#1, #2>.
kExprGetLocal, 1, kExprGetLocal, 2, kExprGetLocal, 0,
kExprCallIndirect, sig_i_ii, kTableZero
])
.exportFunc();
builder.appendToTable([mul, add.index, mismatch.index, main.index]);
var instance = builder.instantiate({q: {mul: (a, b) => a * b}});
// Call mul.
assertEquals(-6, instance.exports.main(0, -2, 3));
// Call add.
assertEquals(99, instance.exports.main(1, 22, 77));
// main and sig_mismatch have another signature.
assertTraps(kTrapFuncSigMismatch, () => instance.exports.main(2, 12, 33));
assertTraps(kTrapFuncSigMismatch, () => instance.exports.main(3, 12, 33));
// Function index 4 does not exist.
assertTraps(kTrapFuncInvalid, () => instance.exports.main(4, 12, 33));
})();
(function testIllegalImports() {
var builder = new WasmModuleBuilder();
var sig_l_v = builder.addType(kSig_l_v);
var imp = builder.addImport('q', 'imp', sig_l_v);
var direct = builder.addFunction('direct', kSig_l_v)
.addBody([kExprCallFunction, imp])
.exportFunc();
var indirect = builder.addFunction('indirect', kSig_l_v).addBody([
kExprI32Const, 0, kExprCallIndirect, sig_l_v, kTableZero
]);
var main =
builder.addFunction('main', kSig_v_i)
.addBody([
// Call indirect #0 with arg #0, drop result.
kExprGetLocal, 0, kExprCallIndirect, sig_l_v, kTableZero, kExprDrop
])
.exportFunc();
builder.appendToTable([imp, direct.index, indirect.index]);
var instance = builder.instantiate({q: {imp: () => 1}});
// Calling imported functions with i64 in signature should fail.
try {
// Via direct call.
instance.exports.main(1);
} catch (e) {
if (!(e instanceof TypeError)) throw e;
checkStack(stripPath(e.stack), [
'TypeError: invalid type', // -
' at direct (wasm-function[1]:1)', // -
' at main (wasm-function[3]:3)', // -
/^ at testIllegalImports \(interpreter.js:\d+:22\)$/, // -
/^ at interpreter.js:\d+:3$/
]);
}
try {
// Via indirect call.
instance.exports.main(2);
} catch (e) {
if (!(e instanceof TypeError)) throw e;
checkStack(stripPath(e.stack), [
'TypeError: invalid type', // -
' at indirect (wasm-function[2]:1)', // -
' at main (wasm-function[3]:3)', // -
/^ at testIllegalImports \(interpreter.js:\d+:22\)$/, // -
/^ at interpreter.js:\d+:3$/
]);
}
})();
(function testInfiniteRecursion() {
var builder = new WasmModuleBuilder();
var direct = builder.addFunction('main', kSig_v_v)
.addBody([kExprNop, kExprCallFunction, 0])
.exportFunc();
var instance = builder.instantiate();
try {
instance.exports.main();
assertUnreachable("should throw");
} catch (e) {
if (!(e instanceof RangeError)) throw e;
checkStack(stripPath(e.stack), [
'RangeError: Maximum call stack size exceeded',
' at main (wasm-function[0]:0)'
].concat(Array(9).fill(' at main (wasm-function[0]:2)')));
}
})();
(function testUnwindSingleActivation() {
// Create two activations and unwind just the top one.
var builder = new WasmModuleBuilder();
function MyError(i) {
this.i = i;
}
// We call wasm -> func 1 -> wasm -> func2.
// func2 throws, func 1 catches.
function func1() {
try {
return instance.exports.foo();
} catch (e) {
if (!(e instanceof MyError)) throw e;
return e.i + 2;
}
}
function func2() {
throw new MyError(11);
}
var imp1 = builder.addImport('mod', 'func1', kSig_i_v);
var imp2 = builder.addImport('mod', 'func2', kSig_v_v);
builder.addFunction('main', kSig_i_v)
.addBody([kExprCallFunction, imp1, kExprI32Const, 2, kExprI32Mul])
.exportFunc();
builder.addFunction('foo', kSig_v_v)
.addBody([kExprCallFunction, imp2])
.exportFunc();
var instance = builder.instantiate({mod: {func1: func1, func2: func2}});
var interpreted_before = %WasmNumInterpretedCalls(instance);
assertEquals(2 * (11 + 2), instance.exports.main());
assertEquals(interpreted_before + 2, %WasmNumInterpretedCalls(instance));
})();
(function testInterpreterGC() {
function run(f) {
// wrap the creation in a closure so that the only thing returned is
// the module (i.e. the underlying array buffer of wasm wire bytes dies).
var module = (() => {
var builder = new WasmModuleBuilder();
var imp = builder.addImport('mod', 'the_name_of_my_import', kSig_i_i);
builder.addFunction('main', kSig_i_i)
.addBody([kExprGetLocal, 0, kExprCallFunction, imp])
.exportAs('main');
print('module');
return new WebAssembly.Module(builder.toBuffer());
})();
gc();
for (var i = 0; i < 10; i++) {
print(' instance ' + i);
var instance =
new WebAssembly.Instance(module, {'mod': {the_name_of_my_import: f}});
var g = instance.exports.main;
assertEquals('function', typeof g);
for (var j = 0; j < 10; j++) {
assertEquals(f(j), g(j));
}
}
}
for (var i = 0; i < 3; i++) {
run(x => (x + 19));
run(x => (x - 18));
}
})();