mirror of
https://github.com/pezkuwichain/pezkuwi-common.git
synced 2026-04-25 16:27:57 +00:00
21 lines
757 B
JavaScript
21 lines
757 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.isRiscV = isRiscV;
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const eq_js_1 = require("../u8a/eq.js");
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const u8a_js_1 = require("./u8a.js");
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const ELF_MAGIC = new Uint8Array([0x7f, 0x45, 0x4c, 0x46]); // ELF magic bytes: 0x7f, 'E', 'L', 'F'
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const PVM_MAGIC = new Uint8Array([0x50, 0x56, 0x4d, 0x00]); // 'P', 'V', 'M', 0x00
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/**
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* @name isRiscV
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* @summary Tests if the input has a RISC-V header
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* @description
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* Checks to see if the input Uint8Array contains a valid RISC-V header
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*/
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function isRiscV(bytes) {
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if ((0, u8a_js_1.isU8a)(bytes)) {
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const start = bytes.subarray(0, 4);
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return (0, eq_js_1.u8aEq)(start, PVM_MAGIC) || (0, eq_js_1.u8aEq)(start, ELF_MAGIC);
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}
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return false;
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}
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