101 lines
2.9 KiB
JavaScript
101 lines
2.9 KiB
JavaScript
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// Copyright 2016 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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// Dump C++ symbols of shared library if possible
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function processArguments(args) {
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var processor = new ArgumentsProcessor(args);
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if (processor.parse()) {
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return processor.result();
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} else {
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processor.printUsageAndExit();
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}
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}
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function initSourceMapSupport() {
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// Pull dev tools source maps into our name space.
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SourceMap = WebInspector.SourceMap;
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// Overwrite the load function to load scripts synchronously.
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SourceMap.load = function(sourceMapURL) {
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var content = readFile(sourceMapURL);
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var sourceMapObject = (JSON.parse(content));
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return new SourceMap(sourceMapURL, sourceMapObject);
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};
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}
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var entriesProviders = {
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'unix': UnixCppEntriesProvider,
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'windows': WindowsCppEntriesProvider,
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'mac': MacCppEntriesProvider
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};
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var params = processArguments(arguments);
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var sourceMap = null;
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if (params.sourceMap) {
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initSourceMapSupport();
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sourceMap = SourceMap.load(params.sourceMap);
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}
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function CppProcessor(cppEntriesProvider, timedRange, pairwiseTimedRange) {
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LogReader.call(this, {
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'shared-library': { parsers: [null, parseInt, parseInt],
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processor: this.processSharedLibrary }
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}, timedRange, pairwiseTimedRange);
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this.cppEntriesProvider_ = cppEntriesProvider;
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this.codeMap_ = new CodeMap();
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this.lastLogFileName_ = null;
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}
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inherits(CppProcessor, LogReader);
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/**
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* @override
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*/
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CppProcessor.prototype.printError = function(str) {
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print(str);
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};
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CppProcessor.prototype.processLogFile = function(fileName) {
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this.lastLogFileName_ = fileName;
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var line;
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while (line = readline()) {
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this.processLogLine(line);
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}
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};
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CppProcessor.prototype.processLogFileInTest = function(fileName) {
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// Hack file name to avoid dealing with platform specifics.
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this.lastLogFileName_ = 'v8.log';
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var contents = readFile(fileName);
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this.processLogChunk(contents);
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};
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CppProcessor.prototype.processSharedLibrary = function(
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name, startAddr, endAddr) {
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var self = this;
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var libFuncs = this.cppEntriesProvider_.parseVmSymbols(
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name, startAddr, endAddr, function(fName, fStart, fEnd) {
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var entry = new CodeMap.CodeEntry(fEnd - fStart, fName, 'CPP');
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self.codeMap_.addStaticCode(fStart, entry);
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});
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};
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CppProcessor.prototype.dumpCppSymbols = function() {
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var staticEntries = this.codeMap_.getAllStaticEntriesWithAddresses();
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var total = staticEntries.length;
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for (var i = 0; i < total; ++i) {
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var entry = staticEntries[i];
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var printValues = ['cpp', '0x' + entry[0].toString(16), entry[1].size,
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'"' + entry[1].name + '"'];
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print(printValues.join(','));
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}
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};
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var cppProcessor = new CppProcessor(
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new (entriesProviders[params.platform])(params.nm, params.targetRootFS),
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params.timedRange, params.pairwiseTimedRange);
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cppProcessor.processLogFile(params.logFileName);
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cppProcessor.dumpCppSymbols();
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