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6bd756d7c6
PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
85 lines
3.0 KiB
JavaScript
85 lines
3.0 KiB
JavaScript
// Copyright 2022 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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utils.load('test/inspector/wasm-inspector-test.js');
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InspectorTest.log("Tests disassembling wasm scripts");
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let contextGroup = new InspectorTest.ContextGroup();
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let { id: sessionId, Protocol } = contextGroup.connect();
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Protocol.Debugger.enable();
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const scriptPromise = new Promise(resolve => {
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Protocol.Debugger.onScriptParsed(event => {
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if (event.params.url.startsWith('wasm://')) {
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resolve(event.params);
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}
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});
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}).then(params => loadScript(params));
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async function loadScript({url, scriptId}) {
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InspectorTest.log(`Session #${sessionId}: Script parsed. URL: ${url}.`);
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({result: {scriptSource, bytecode}} =
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await Protocol.Debugger.getScriptSource({scriptId}));
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({result: {
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streamId,
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totalNumberOfLines,
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functionBodyOffsets,
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chunk: {lines, bytecodeOffsets}
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}} = await Protocol.Debugger.disassembleWasmModule({scriptId}));
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InspectorTest.log(`Session #${sessionId}: Source for ${url}:`);
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bytecode = InspectorTest.decodeBase64(bytecode);
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const bytes = [];
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for (let i = 0; i < bytecode.length; i++) {
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let byte = bytecode[i];
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bytes.push((byte < 0x10 ? '0x0' : '0x') + byte.toString(16) + " ");
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if ((i & 7) == 7) bytes.push(` ;; offset ${i-7}..${i}\n`);
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}
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InspectorTest.log(`bytecode:\n${bytes.join("")}`);
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InspectorTest.log(`streamid: ${streamId}`);
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InspectorTest.log(`functionBodyOffsets: ${functionBodyOffsets}`);
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InspectorTest.log(`totalNumberOfLines: ${totalNumberOfLines}`);
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InspectorTest.log(`lines: \n${lines.join("\n")}`);
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InspectorTest.log(`bytecodeOffsets: ${bytecodeOffsets}`);
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if (streamId) {
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({result: {chunk: {lines, bytecodeOffsets}}} =
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await Protocol.Debugger.nextWasmDissassemblyChunk({streamId}));
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InspectorTest.log(`chunk #2:`);
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InspectorTest.log(`lines: \n${lines.join("\n")}`);
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InspectorTest.log(`bytecodeOffsets: ${bytecodeOffsets}`);
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}
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}
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const builder = new WasmModuleBuilder();
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builder.addFunction('f1', kSig_i_r)
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.addLocals(kWasmI32, 1, ["xyz"])
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.addLocals(kWasmF64, 1)
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.addBody([
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kExprLocalGet, 1, kExprDrop, kExprI32Const, 42
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]);
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builder.addFunction('f2', kSig_v_v).addBody([kExprNop, kExprNop]);
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builder.setName('moduleName');
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const module_bytes = builder.toArray();
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function testFunction(bytes) {
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// Compilation triggers registration of wasm scripts.
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new WebAssembly.Module(new Uint8Array(bytes));
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}
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contextGroup.addScript(testFunction.toString(), 0, 0, 'v8://test/testFunction');
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contextGroup.addScript('const module_bytes = ' + JSON.stringify(module_bytes));
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Protocol.Runtime
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.evaluate({
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'expression': '//# sourceURL=v8://test/runTestFunction\n' +
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'testFunction(module_bytes);'
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})
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.then(() => scriptPromise)
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.catch(err => {
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InspectorTest.log(err.stack);
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})
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.then(() => InspectorTest.completeTest());
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