aron

An incomplete, x86_64 assembler

Usage

Usage: aron [options] filename
 Options:
   --help       Prints this message
   -f format    Set the output binary format
      elf           ELF (64-bit)
      macho         Mach-O
   -o filename  Set output filename

Performance

This is not empirical by any means, but the benchmarking on the test.macos.s, comparing with macOS' assembler as shows: