forked from mirrors/gecko-dev
47dfb09977
MozReview-Commit-ID: 6c2hWCtZ0UH --HG-- extra : rebase_source : 36870f7f33172b0b3e0584604d8556eeb36cfa35
48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set sts=2 sw=2 et tw=80: */
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/* eslint-env worker */
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"use strict";
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importScripts("resource://gre/modules/osfile.jsm");
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importScripts("resource:///modules/ParseSymbols.jsm");
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function parse(text) {
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const syms = new Map();
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// Lines look like this:
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//
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// PUBLIC 3fc74 0 test_public_symbol
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//
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// FUNC 40330 8e 0 test_func_symbol
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const symbolRegex = /\nPUBLIC ([0-9a-f]+) [0-9a-f]+ (.*)|\nFUNC ([0-9a-f]+) [0-9a-f]+ [0-9a-f]+ (.*)/g;
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let match;
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let approximateLength = 0;
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while ((match = symbolRegex.exec(text))) {
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const [address0, symbol0, address1, symbol1] = match.slice(1);
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const address = parseInt(address0 || address1, 16);
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const sym = (symbol0 || symbol1).trimRight();
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syms.set(address, sym);
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approximateLength += sym.length;
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}
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return ParseSymbols.convertSymsMapToExpectedSymFormat(syms, approximateLength);
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}
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onmessage = async e => {
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try {
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let text;
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if (e.data.filepath) {
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text = await OS.File.read(e.data.filepath, {encoding: "utf-8"});
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} else if (e.data.textBuffer) {
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text = (new TextDecoder()).decode(e.data.textBuffer);
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}
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const result = parse(text);
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postMessage({result}, result.map(r => r.buffer));
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} catch (error) {
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postMessage({error: error.toString()});
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}
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close();
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};
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