f21291bc41
Extract commonly used instantiate() and evalWithUrl() functions. Bug: chromium:1093165 Change-Id: I14f8b49d556bc70d2092a80b41c5bbf678efd1a9 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2245599 Commit-Queue: Kim-Anh Tran <kimanh@chromium.org> Reviewed-by: Clemens Backes <clemensb@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#68356}
107 lines
4.5 KiB
JavaScript
107 lines
4.5 KiB
JavaScript
// Copyright 2018 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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let {session, contextGroup, Protocol} =
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InspectorTest.start('Tests stepping through wasm scripts with source maps');
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session.setupScriptMap();
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var builder = new WasmModuleBuilder();
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var func_a_idx =
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builder.addFunction('wasm_A', kSig_v_v).addBody([kExprNop, kExprNop]).index;
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// wasm_B calls wasm_A <param0> times.
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builder.addFunction('wasm_B', kSig_v_i)
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.addBody([
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// clang-format off
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kExprLoop, kWasmStmt, // while
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kExprLocalGet, 0, // -
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kExprIf, kWasmStmt, // 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_idx, // -
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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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builder.addCustomSection('sourceMappingURL', [3, 97, 98, 99]);
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var module_bytes = builder.toArray();
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(async function test() {
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for (const action of ['stepInto', 'stepOver', 'stepOut', 'resume'])
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InspectorTest.logProtocolCommandCalls('Debugger.' + action);
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await Protocol.Debugger.enable();
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WasmInspectorTest.instantiate(module_bytes);
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const [, {params: wasmScript}] = await Protocol.Debugger.onceScriptParsed(2);
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InspectorTest.log('Got wasm script: ' + wasmScript.url);
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InspectorTest.log('Script sourceMapURL: ' + wasmScript.sourceMapURL);
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InspectorTest.log('Requesting source for ' + wasmScript.url + '...');
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const msg =
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await Protocol.Debugger.getScriptSource({scriptId: wasmScript.scriptId});
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InspectorTest.log(`Source retrieved without error: ${!msg.error}`);
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InspectorTest.log(
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`Setting breakpoint on offset 54 (on the setlocal before the call), url ${wasmScript.url}`);
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const {result: {actualLocation}} = await Protocol.Debugger.setBreakpoint({
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location:{scriptId: wasmScript.scriptId, lineNumber: 0, columnNumber: 54}});
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InspectorTest.logMessage(actualLocation);
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Protocol.Runtime.evaluate({expression: 'instance.exports.main(4)'});
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await waitForPauseAndStep('stepInto'); // == stepOver, to call instruction
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await waitForPauseAndStep('stepInto'); // into call to wasm_A
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await waitForPauseAndStep('stepOver'); // over first nop
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await waitForPauseAndStep('stepOut'); // out of wasm_A
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await waitForPauseAndStep('stepOut'); // out of wasm_B, stop on breakpoint again
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await waitForPauseAndStep('stepOver'); // to call
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await waitForPauseAndStep('stepOver'); // over call
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await waitForPauseAndStep('resume'); // to next breakpoint (third iteration)
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await waitForPauseAndStep('stepInto'); // to call
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await waitForPauseAndStep('stepInto'); // into wasm_A
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await waitForPauseAndStep('stepOut'); // out to wasm_B
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// Now step 8 times, until we are in wasm_A again.
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for (let i = 0; i < 8; ++i) await waitForPauseAndStep('stepInto');
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// 3 more times, back to wasm_B.
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for (let i = 0; i < 3; ++i) await waitForPauseAndStep('stepInto');
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// then just resume.
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await waitForPauseAndStep('resume');
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InspectorTest.log('exports.main returned!');
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InspectorTest.log('Finished!');
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InspectorTest.completeTest();
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})();
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async function waitForPauseAndStep(stepAction) {
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const {params: {callFrames}} = await Protocol.Debugger.oncePaused();
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await session.logSourceLocation(callFrames[0].location);
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for (var frame of callFrames) {
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const functionName = frame.functionName || '(anonymous)';
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const lineNumber = frame.location.lineNumber;
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const columnNumber = frame.location.columnNumber;
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InspectorTest.log(`at ${functionName} (${lineNumber}:${columnNumber}):`);
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for (var scope of frame.scopeChain) {
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InspectorTest.logObject(' - scope (' + scope.type + '):');
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if (scope.type === 'global' || scope.type === 'module') {
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InspectorTest.logObject(' -- skipped');
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} else {
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const {result: {result: {value}}} =
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await Protocol.Runtime.callFunctionOn({
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objectId: scope.object.objectId,
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functionDeclaration: 'function() { return this; }',
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returnByValue: true
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});
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InspectorTest.log(` ${JSON.stringify(value)}`);
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}
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}
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}
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Protocol.Debugger[stepAction]();
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}
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