Add two.
Capstone is a disassembly framework with the target
of becoming the ultimate disasm engine for binary
analysis and reversing in the security community.

Capstone supports multiple hardware architectures,
including ARM, ARM64 (ARMv8), Mips, PPC, Sparc,
SystemZ, XCore and X86 (including X86_64).
Use external capstone (provided by pkgsrc)