51 lines
1.4 KiB
JavaScript
51 lines
1.4 KiB
JavaScript
// <reference types="node" />
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const readline = require('readline');
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const childProcess = require('child_process');
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const rl = readline.createInterface({
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input: process.stdin,
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terminal: false
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});
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let textStart = 0;
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const textStartRegex = /__text_start = 0x([0-9a-f]+)/i;
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let symbolize = false;
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if (process.argv.length <= 2) {
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console.error('Usage: node symbolize.js <path to ELF file>');
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process.exit(1);
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}
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const elfPath = process.argv[2];
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rl.on('line', (line) => {
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if (textStart === 0) {
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const match = textStartRegex.exec(line);
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if (match) {
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textStart = parseInt(match[1], 16);
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}
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}
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if (line.includes("stack backtrace:")) {
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symbolize = true;
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}
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if (symbolize) {
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const match = /0x([0-9a-f]+) - \<unknown\>/.exec(line);
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if (match) {
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const addr = parseInt(match[1], 16);
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const relative = addr - textStart;
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// run addr2line on the address
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const addr2line = childProcess.spawnSync('addr2line', ['-e', elfPath, '-j', '.text', '-f', '-C', '0x' + relative.toString(16)]);
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if (addr2line.status === 0) {
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const output = addr2line.stdout.toString();
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const lines = output.split('\n');
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const [func, file] = lines;
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line = line.replace(match[0], `0x${addr.toString(16)} - ${func} (${file})`);
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}
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}
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}
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console.log(line);
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}); |