X86_64 on Ethan-ZYFhttps://ethanzyf.com/tags/x86_64/Recent content in X86_64 on Ethan-ZYFHugoen-usMon, 11 May 2026 00:30:00 -0700Day 1: Linux Syscall Internalshttps://ethanzyf.com/blog/day1-syscalls/Mon, 11 May 2026 00:30:00 -0700https://ethanzyf.com/blog/day1-syscalls/<p>A deep dive into how Linux system calls actually work on x86_64: the ABI, the <code>syscall</code> instruction&rsquo;s hardware side effects, the full user→kernel path, and a categorized cheat sheet of the syscalls worth knowing.</p>