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// Copyright 2022 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: --experimental-wasm-gc --experimental-wasm-typed-funcref
// Flags: --experimental-wasm-type-reflection
utils.load('test/inspector/wasm-inspector-test.js');
let {session, contextGroup, Protocol} = InspectorTest.start(
'Test inspection of Wasm anyref objects');
session.setupScriptMap();
Protocol.Runtime.enable();
Protocol.Debugger.enable();
Protocol.Debugger.onPaused(printPauseLocationsAndContinue);
let breakpointLocation = -1;
InspectorTest.runAsyncTestSuite([
async function test() {
let wasm_promise = instantiateWasm();
let scriptIds = await waitForWasmScripts();
await wasm_promise; // Make sure the instantiation is finished.
// Set a breakpoint.
InspectorTest.log('Setting breakpoint');
let breakpoint = await Protocol.Debugger.setBreakpoint(
{'location': {'scriptId': scriptIds[0],
'lineNumber': 0,
'columnNumber': breakpointLocation}});
printIfFailure(breakpoint);
InspectorTest.logMessage(breakpoint.result.actualLocation);
// Now run the wasm code.
await WasmInspectorTest.evalWithUrl('instance.exports.main()', 'runWasm');
InspectorTest.log('exports.main returned. Test finished.');
}
]);
async function printPauseLocationsAndContinue(msg) {
let loc = msg.params.callFrames[0].location;
InspectorTest.log('Paused:');
await session.logSourceLocation(loc);
InspectorTest.log('Scope:');
for (var frame of msg.params.callFrames) {
var isWasmFrame = /^wasm/.test(frame.url);
var functionName = frame.functionName || '(anonymous)';
var lineNumber = frame.location.lineNumber;
var columnNumber = frame.location.columnNumber;
InspectorTest.log(`at ${functionName} (${lineNumber}:${columnNumber}):`);
for (var scope of frame.scopeChain) {
InspectorTest.logObject(' - scope (' + scope.type + '):');
if (!isWasmFrame && scope.type == 'global') {
// Skip global scope for non wasm-functions.
InspectorTest.logObject(' -- skipped globals');
continue;
}
var properties = await Protocol.Runtime.getProperties(
{'objectId': scope.object.objectId});
await WasmInspectorTest.dumpScopeProperties(properties);
}
}
InspectorTest.log();
Protocol.Debugger.resume();
}
async function instantiateWasm() {
var builder = new WasmModuleBuilder();
builder.startRecGroup();
let struct_type = builder.addStruct([makeField(kWasmI32, false)]);
let array_type = builder.addArray(kWasmI32);
let imported_ref_table =
builder.addImportedTable('import', 'any_table', 4, 4, kWasmAnyRef);
let imported_func_table =
builder.addImportedTable('import', 'func_table', 3, 3, kWasmFuncRef);
let ref_table = builder.addTable(kWasmAnyRef, 4)
.exportAs('exported_ref_table');
let func_table = builder.addTable(kWasmFuncRef, 3)
.exportAs('exported_func_table');
let i31ref_table = builder.addTable(kWasmI31Ref, 3)
.exportAs('exported_i31_table');
let func = builder.addFunction('my_func', kSig_v_v).addBody([kExprNop]);
// Make the function "declared".
builder.addGlobal(kWasmFuncRef, false, [kExprRefFunc, func.index]);
builder.addFunction('fill_tables', kSig_v_v)
.addBody([
...wasmI32Const(0), ...wasmI32Const(123),
kGCPrefix, kExprStructNew, struct_type, kExprTableSet, ref_table.index,
...wasmI32Const(1), ...wasmI32Const(20), ...wasmI32Const(21),
kGCPrefix, kExprArrayNewFixed, array_type, 2,
kExprTableSet, ref_table.index,
...wasmI32Const(2), ...wasmI32Const(30),
kGCPrefix, kExprI31New, kExprTableSet, ref_table.index,
// Fill imported any table.
...wasmI32Const(1),
...wasmI32Const(123), kGCPrefix, kExprStructNew, struct_type,
kExprTableSet, imported_ref_table,
...wasmI32Const(1),
...wasmI32Const(321), kGCPrefix, kExprI31New,
kExprTableSet, imported_ref_table,
// Fill imported func table.
...wasmI32Const(1),
kExprRefFunc, func.index,
kExprTableSet, imported_func_table,
// Fill func table.
...wasmI32Const(1),
kExprRefFunc, func.index,
kExprTableSet, func_table.index,
// Fill i31 table.
...wasmI32Const(0),
...wasmI32Const(123456), kGCPrefix, kExprI31New,
kExprTableSet, i31ref_table.index,
...wasmI32Const(1),
...wasmI32Const(-123), kGCPrefix, kExprI31New,
kExprTableSet, i31ref_table.index,
]).exportFunc();
let body = [
// Set local anyref_local to new struct.
...wasmI32Const(12),
kGCPrefix, kExprStructNew, struct_type,
kExprLocalSet, 0,
// Set local anyref_local2 to new array.
...wasmI32Const(21),
kGCPrefix, kExprArrayNewFixed, array_type, 1,
kExprLocalSet, 1,
...wasmI32Const(30),
kGCPrefix, kExprI31New,
kExprLocalSet, 2,
kExprNop,
];
let main = builder.addFunction('main', kSig_v_v)
.addLocals(kWasmAnyRef, 1, ['anyref_local'])
.addLocals(kWasmAnyRef, 1, ['anyref_local2'])
.addLocals(kWasmAnyRef, 1, ['anyref_local_i31'])
.addLocals(kWasmAnyRef, 1, ['anyref_local_null'])
.addBody(body)
.exportFunc();
builder.endRecGroup();
var module_bytes = builder.toArray();
breakpointLocation = main.body_offset + body.length - 1;
InspectorTest.log('Calling instantiate function.');
let imports = `{'import' : {
'any_table': (() => {
let js_table =
new WebAssembly.Table({element: 'anyref', initial: 4, maximum: 4});
js_table.set(0, ['JavaScript', 'value']);
return js_table;
})(),
'func_table': (() => {
let func_table =
new WebAssembly.Table({element: 'anyfunc', initial: 3, maximum: 3});
func_table.set(0, new WebAssembly.Function(
{parameters:['i32', 'i32'], results: ['i32']},
function /*anonymous*/ (a, b) { return a * b; }));
return func_table;
})(),
}}`;
await WasmInspectorTest.instantiate(module_bytes, 'instance', imports);
InspectorTest.log('Module instantiated.');
await WasmInspectorTest.evalWithUrl(
'instance.exports.fill_tables();', 'fill_tables');
await WasmInspectorTest.evalWithUrl(
`instance.exports.exported_func_table.set(0, new WebAssembly.Function(
{parameters:['i32', 'i32'], results: ['i32']},
function external_fct(a, b) { return a * b; }))`,
'add_func_to_table');
InspectorTest.log('Tables populated.');
}
async function waitForWasmScripts() {
InspectorTest.log('Waiting for wasm script to be parsed.');
let wasm_script_ids = [];
while (wasm_script_ids.length < 1) {
let script_msg = await Protocol.Debugger.onceScriptParsed();
let url = script_msg.params.url;
if (url.startsWith('wasm://')) {
InspectorTest.log('Got wasm script!');
wasm_script_ids.push(script_msg.params.scriptId);
}
}
return wasm_script_ids;
}
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