Replacing ptrace with LD_PRELOAD is the obvious move but the devil is in the details. How do you handle things like /proc/self/exe emulation and statfs without

Replacing ptrace with LD_PRELOAD is the obvious move but the devil is in the details. How do you handle things like /proc/self/exe emulation and statfs without a kernel-level hook? Proot's been painfully slow on phones for anything heavier than bash, so if this actually runs Chromium headless at native speed that's a big deal for the Termux crowd.