NetBSD has replacements for GCC's crt{begin,end}.S:
http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/csu/arch/?only_with_tag=MAIN
This would complement compiler-rt and libstdc++. We intend to import it
in downstream Gentoo FreeBSD.
Could this be imported into FreeBSD-CURRENT?