v8/tools/dumpcpp.mjs
Camillo Bruni a8eea87933 [tools] Port more tools to ES6 classes
Convert Profile, CodeMap and their helpers to ES6 classes.
Code cleanup will happen in a separate step.

Bug: v8:10667
Change-Id: Icfb28f6d9ef7f00efba93b347fdf210a9af36a49
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2509591
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70969}
2020-11-04 14:45:41 +00:00

69 lines
2.1 KiB
JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import { LogReader, parseString } from "./logreader.mjs";
import { CodeMap, CodeEntry } from "./codemap.mjs";
export {
ArgumentsProcessor, UnixCppEntriesProvider,
WindowsCppEntriesProvider, MacCppEntriesProvider,
} from "./tickprocessor.mjs";
import { inherits } from "./tickprocessor.mjs";
export class CppProcessor extends LogReader {
constructor(cppEntriesProvider, timedRange, pairwiseTimedRange) {
super({}, timedRange, pairwiseTimedRange);
this.dispatchTable_ = {
'shared-library': {
parsers: [parseString, parseInt, parseInt, parseInt],
processor: this.processSharedLibrary }
};
this.cppEntriesProvider_ = cppEntriesProvider;
this.codeMap_ = new CodeMap();
this.lastLogFileName_ = null;
}
/**
* @override
*/
printError(str) {
print(str);
};
processLogFile(fileName) {
this.lastLogFileName_ = fileName;
var line;
while (line = readline()) {
this.processLogLine(line);
}
};
processLogFileInTest(fileName) {
// Hack file name to avoid dealing with platform specifics.
this.lastLogFileName_ = 'v8.log';
var contents = readFile(fileName);
this.processLogChunk(contents);
};
processSharedLibrary(name, startAddr, endAddr, aslrSlide) {
var self = this;
var libFuncs = this.cppEntriesProvider_.parseVmSymbols(
name, startAddr, endAddr, aslrSlide, function(fName, fStart, fEnd) {
var entry = new CodeEntry(fEnd - fStart, fName, 'CPP');
self.codeMap_.addStaticCode(fStart, entry);
});
};
dumpCppSymbols() {
var staticEntries = this.codeMap_.getAllStaticEntriesWithAddresses();
var total = staticEntries.length;
for (var i = 0; i < total; ++i) {
var entry = staticEntries[i];
var printValues = ['cpp', '0x' + entry[0].toString(16), entry[1].size,
'"' + entry[1].name + '"'];
print(printValues.join(','));
}
}
}