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fd4f80ce54
PR-URL: https://github.com/nodejs/node/pull/42657 Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
107 lines
4.0 KiB
JavaScript
107 lines
4.0 KiB
JavaScript
// Copyright 2020 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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const {session, contextGroup, Protocol} =
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InspectorTest.start('Tests stepping through wasm scripts.');
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session.setupScriptMap();
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const builder = new WasmModuleBuilder();
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const func_a =
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builder.addFunction('wasm_A', kSig_v_v).addBody([kExprNop, kExprNop]);
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// wasm_B calls wasm_A <param0> times.
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const func_b = builder.addFunction('wasm_B', kSig_v_i)
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.addBody([
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// clang-format off
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kExprLoop, kWasmVoid, // while
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kExprLocalGet, 0, // -
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kExprIf, kWasmVoid, // if <param0> != 0
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kExprLocalGet, 0, // -
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kExprI32Const, 1, // -
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kExprI32Sub, // -
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kExprLocalSet, 0, // decrease <param0>
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kExprCallFunction, func_a.index, // -
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kExprBr, 1, // continue
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kExprEnd, // -
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kExprEnd, // break
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// clang-format on
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])
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.exportAs('main');
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const module_bytes = builder.toArray();
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const getResult = msg => msg.result || InspectorTest.logMessage(msg);
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function setBreakpoint(offset, scriptId, scriptUrl) {
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InspectorTest.log(
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'Setting breakpoint at offset ' + offset + ' on script ' + scriptUrl);
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return Protocol.Debugger
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.setBreakpoint(
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{'location': {'scriptId': scriptId, 'lineNumber': 0, 'columnNumber': offset}})
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.then(getResult);
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}
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// Only set breakpoints during the first loop iteration.
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var first_iteration = true;
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Protocol.Debugger.onPaused(async msg => {
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let loc = msg.params.callFrames[0].location;
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InspectorTest.log('Paused:');
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await session.logSourceLocation(loc);
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InspectorTest.log('Scope:');
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for (var frame of msg.params.callFrames) {
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var functionName = frame.functionName || '(anonymous)';
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var lineNumber = frame.location.lineNumber;
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var columnNumber = frame.location.columnNumber;
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InspectorTest.log(`at ${functionName} (${lineNumber}:${columnNumber}):`);
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var url = session.getCallFrameUrl(frame);
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if (!/^wasm/.test(url)) {
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InspectorTest.log(' -- skipped');
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continue;
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}
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for (var scope of frame.scopeChain) {
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InspectorTest.logObject(' - scope (' + scope.type + '):');
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var properties = await Protocol.Runtime.getProperties(
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{'objectId': scope.object.objectId});
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await WasmInspectorTest.dumpScopeProperties(properties);
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}
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}
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if (first_iteration && loc.columnNumber == func_a.body_offset) {
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// Check that setting breakpoints on active instances of A and B takes
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// effect immediately.
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setBreakpoint(func_a.body_offset + 1, loc.scriptId, url);
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// All of the following breakpoints are in reachable code, except offset 17.
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for (offset of [18, 17, 11, 10, 8, 6, 2, 4]) {
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setBreakpoint(func_b.body_offset + offset, loc.scriptId, url);
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}
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first_iteration = false;
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}
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Protocol.Debugger.resume();
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});
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InspectorTest.runAsyncTestSuite([
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async function test() {
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await Protocol.Runtime.enable();
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await Protocol.Debugger.enable();
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InspectorTest.log('Instantiating.');
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// Spawn asynchronously:
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WasmInspectorTest.instantiate(module_bytes);
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InspectorTest.log(
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'Waiting for wasm script (ignoring first non-wasm script).');
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// Ignore javascript and full module wasm script, get scripts for functions.
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const [, {params: wasm_script}] = await Protocol.Debugger.onceScriptParsed(2);
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// Set a breakpoint in function A at offset 0. When the debugger hits this
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// breakpoint, new ones will be added.
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await setBreakpoint(func_a.body_offset, wasm_script.scriptId, wasm_script.url);
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InspectorTest.log('Calling main(4)');
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await WasmInspectorTest.evalWithUrl('instance.exports.main(4)', 'runWasm');
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InspectorTest.log('exports.main returned!');
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}
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]);
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