7074113d7e
Before adding another test for removing breakpoint, this CL modernizes the existing test for setting breakpoints. R=kozy@chromium.org CC=ahaas@chromium.org Bug: chromium:837572 Cq-Include-Trybots: luci.chromium.try:linux_chromium_headless_rel;master.tryserver.blink:linux_trusty_blink_rel Change-Id: I642f9673f327f4ec569a4f67a61b5e264cf25b8f Reviewed-on: https://chromium-review.googlesource.com/c/1264636 Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Cr-Commit-Position: refs/heads/master@{#56514}
98 lines
3.4 KiB
JavaScript
98 lines
3.4 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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const {session, contextGroup, Protocol} =
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InspectorTest.start('Tests stepping through wasm scripts.');
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utils.load('test/mjsunit/wasm/wasm-constants.js');
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utils.load('test/mjsunit/wasm/wasm-module-builder.js');
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const builder = new WasmModuleBuilder();
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const 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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kExprGetLocal, 0, // -
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kExprIf, kWasmStmt, // if <param0> != 0
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kExprGetLocal, 0, // -
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kExprI32Const, 1, // -
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kExprI32Sub, // -
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kExprSetLocal, 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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const module_bytes = builder.toArray();
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function instantiate(bytes) {
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let buffer = new ArrayBuffer(bytes.length);
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let view = new Uint8Array(buffer);
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for (let i = 0; i < bytes.length; ++i) {
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view[i] = bytes[i] | 0;
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}
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let module = new WebAssembly.Module(buffer);
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return new WebAssembly.Instance(module);
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}
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const getResult = msg => msg.result || InspectorTest.logMessage(msg);
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const evalWithUrl = (code, url) =>
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Protocol.Runtime
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.evaluate({'expression': code + '\n//# sourceURL=v8://test/' + url})
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.then(getResult);
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function setBreakpoint(line, script) {
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InspectorTest.log(
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'Setting breakpoint on line ' + line + ' on script ' + script.url);
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return Protocol.Debugger
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.setBreakpoint(
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{'location': {'scriptId': script.scriptId, 'lineNumber': line}})
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.then(getResult);
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}
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Protocol.Debugger.onPaused(pause_msg => {
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let loc = pause_msg.params.callFrames[0].location;
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InspectorTest.log('Breaking on line ' + loc.lineNumber);
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Protocol.Debugger.resume();
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});
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(async function test() {
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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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let instantiate_code = 'const instance = (' + instantiate + ')(' +
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JSON.stringify(module_bytes) + ');';
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evalWithUrl(instantiate_code, 'instantiate');
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InspectorTest.log(
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'Waiting for two wasm scripts (ignoring first non-wasm script).');
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const [, {params: wasm_script_a}, {params: wasm_script_b}] =
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await Protocol.Debugger.onceScriptParsed(3);
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for (script of [wasm_script_a, wasm_script_b]) {
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InspectorTest.log('Source of script ' + script.url + ':');
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let src_msg =
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await Protocol.Debugger.getScriptSource({scriptId: script.scriptId});
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let lines = getResult(src_msg).scriptSource.replace(/\s+$/, '').split('\n');
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InspectorTest.log(
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lines.map((line, nr) => (nr + 1) + ': ' + line).join('\n') + '\n');
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}
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for (line of [8, 7, 6, 5, 3, 4]) {
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await setBreakpoint(line, wasm_script_b);
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}
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InspectorTest.log('Calling main(4)');
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await evalWithUrl('instance.exports.main(4)', 'runWasm');
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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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