I started a project similar to the fictional "skip instructions that cause segmentation violations" for SIGILL (illegal instruction) which tried to implement SS

I started a project similar to the fictional "skip instructions that cause segmentation violations" for SIGILL (illegal instruction) which tried to implement SSE3 replacements on hosts without SSE3. It had two modes: replace the illegal instruction in memory, or handle it in the signal handler: https://github.com/rkeene/sse3-emu https://github.com/rkeene/sse3-emu