tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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wasm-to-js-2.js (639B)

      1 // |jit-test| skip-if: !wasmIsSupported()
      2 // Ensure readGeckoProfilingStack finds at least 1 Wasm frame on the stack.
      3 function calledFromWasm() {
      4    let frames = readGeckoProfilingStack().flat();
      5    assertEq(frames.filter(f => f.kind === "wasm").length >= 1, true);
      6 }
      7 enableGeckoProfiling();
      8 const text = `(module
      9    (import "m" "f" (func $f))
     10    (func (export "test")
     11    (call $f)
     12 ))`;
     13 const bytes = wasmTextToBinary(text);
     14 const mod = new WebAssembly.Module(bytes);
     15 const imports = {"m": {"f": calledFromWasm}};
     16 const instance = new WebAssembly.Instance(mod, imports);
     17 for (let i = 0; i < 150; i++) {
     18    instance.exports.test();
     19 }