manbytesgnu_site

Source files for manbytesgnu.org
git clone git://holbrook.no/manbytesgnu_site.git
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bare.js (677B)


      1 const fs = require('fs');
      2 
      3 const memory = new WebAssembly.Memory({initial: 2});
      4 const table = new WebAssembly.Table({initial: 3, element: 'anyfunc'});
      5 const importsObj = {
      6 	env: {
      7 		memory: memory,
      8 		__linear_memory: memory,
      9 		__indirect_function_table: table,
     10 		call_me_sometime: (n) => {
     11 			let a = new Uint8Array(memory.buffer, n, 9)
     12 			a.set([0x66, 0x6f, 0x6f], 0);
     13 			console.debug('heap is at: ' + n);
     14 			console.log('heap contains: ' + new TextDecoder().decode(a));
     15 		},
     16 	},
     17 }
     18 
     19 async function init() {
     20 	const code = fs.readFileSync('./bare.wasm');
     21 	const m = new WebAssembly.Module(code);
     22 	const i = new WebAssembly.Instance(m, importsObj);
     23 	i.exports.foo();
     24 }
     25 init();