K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2018-06-15T14:41:51.940330Z
K 7
svn:log
V 477
linuxulator: do not include legacy syscalls on arm64

Existing linuxulator platforms (i386, amd64) support legacy syscalls,
such as non-*at ones like open, but arm64 and other new platforms do
not.

Wrap these in #ifdef LINUX_LEGACY_SYSCALLS, #defined in the MD linux.h
files.  We may need finer grained control in the future but this is
sufficient for now.

Reviewed by:	andrew
Sponsored by:	Turing Robotic Industries
Differential Revision:	https://reviews.freebsd.org/D15237

END