x86エミュレータチームが悪質すぎるコードを発見し、エミュレーション中に修正した話
かつてx86エミュレータの開発チームは、動作対象のアプリケーションに含まれるコードがあまりにも劣悪だったため、それをエミュレーション中に動的に修正するという異例の対応を行った。このコードは仕様違反や未定義動作に依存しており、本来なら正常に動作しないはずだったが、エミュレータ側で介入することで実行を可能にしたという。このエピソードは、現実のソフトウェアがいかに規格外の実装に依存しているかを物語っている。
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