Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Dump C++ symbols of shared library if possible |
| 6 | |
| 7 | function processArguments(args) { |
| 8 | var processor = new ArgumentsProcessor(args); |
| 9 | if (processor.parse()) { |
| 10 | return processor.result(); |
| 11 | } else { |
| 12 | processor.printUsageAndExit(); |
| 13 | } |
| 14 | } |
| 15 | |
| 16 | function initSourceMapSupport() { |
| 17 | // Pull dev tools source maps into our name space. |
| 18 | SourceMap = WebInspector.SourceMap; |
| 19 | |
| 20 | // Overwrite the load function to load scripts synchronously. |
| 21 | SourceMap.load = function(sourceMapURL) { |
| 22 | var content = readFile(sourceMapURL); |
| 23 | var sourceMapObject = (JSON.parse(content)); |
| 24 | return new SourceMap(sourceMapURL, sourceMapObject); |
| 25 | }; |
| 26 | } |
| 27 | |
| 28 | var entriesProviders = { |
| 29 | 'unix': UnixCppEntriesProvider, |
| 30 | 'windows': WindowsCppEntriesProvider, |
| 31 | 'mac': MacCppEntriesProvider |
| 32 | }; |
| 33 | |
| 34 | var params = processArguments(arguments); |
| 35 | var sourceMap = null; |
| 36 | if (params.sourceMap) { |
| 37 | initSourceMapSupport(); |
| 38 | sourceMap = SourceMap.load(params.sourceMap); |
| 39 | } |
| 40 | |
| 41 | function CppProcessor(cppEntriesProvider, timedRange, pairwiseTimedRange) { |
| 42 | LogReader.call(this, { |
| 43 | 'shared-library': { parsers: [null, parseInt, parseInt], |
| 44 | processor: this.processSharedLibrary } |
| 45 | }, timedRange, pairwiseTimedRange); |
| 46 | |
| 47 | this.cppEntriesProvider_ = cppEntriesProvider; |
| 48 | this.codeMap_ = new CodeMap(); |
| 49 | this.lastLogFileName_ = null; |
| 50 | } |
| 51 | inherits(CppProcessor, LogReader); |
| 52 | |
| 53 | /** |
| 54 | * @override |
| 55 | */ |
| 56 | CppProcessor.prototype.printError = function(str) { |
| 57 | print(str); |
| 58 | }; |
| 59 | |
| 60 | CppProcessor.prototype.processLogFile = function(fileName) { |
| 61 | this.lastLogFileName_ = fileName; |
| 62 | var line; |
| 63 | while (line = readline()) { |
| 64 | this.processLogLine(line); |
| 65 | } |
| 66 | }; |
| 67 | |
| 68 | CppProcessor.prototype.processLogFileInTest = function(fileName) { |
| 69 | // Hack file name to avoid dealing with platform specifics. |
| 70 | this.lastLogFileName_ = 'v8.log'; |
| 71 | var contents = readFile(fileName); |
| 72 | this.processLogChunk(contents); |
| 73 | }; |
| 74 | |
| 75 | CppProcessor.prototype.processSharedLibrary = function( |
| 76 | name, startAddr, endAddr) { |
| 77 | var self = this; |
| 78 | var libFuncs = this.cppEntriesProvider_.parseVmSymbols( |
| 79 | name, startAddr, endAddr, function(fName, fStart, fEnd) { |
| 80 | var entry = new CodeMap.CodeEntry(fEnd - fStart, fName, 'CPP'); |
| 81 | self.codeMap_.addStaticCode(fStart, entry); |
| 82 | }); |
| 83 | }; |
| 84 | |
| 85 | CppProcessor.prototype.dumpCppSymbols = function() { |
| 86 | var staticEntries = this.codeMap_.getAllStaticEntriesWithAddresses(); |
| 87 | var total = staticEntries.length; |
| 88 | for (var i = 0; i < total; ++i) { |
| 89 | var entry = staticEntries[i]; |
| 90 | var printValues = ['cpp', '0x' + entry[0].toString(16), entry[1].size, |
| 91 | '"' + entry[1].name + '"']; |
| 92 | print(printValues.join(',')); |
| 93 | } |
| 94 | }; |
| 95 | |
| 96 | var cppProcessor = new CppProcessor( |
| 97 | new (entriesProviders[params.platform])(params.nm, params.targetRootFS), |
| 98 | params.timedRange, params.pairwiseTimedRange); |
| 99 | cppProcessor.processLogFile(params.logFileName); |
| 100 | cppProcessor.dumpCppSymbols(); |