K 10
svn:author
V 6
andrew
K 8
svn:date
V 27
2018-06-25T22:36:25.873558Z
K 7
svn:log
V 391
Make cpu_set_syscall_retval common between the existing FreeBSD ABI and
the Linuxulator. We need to translate error values onto Linux errno values
and return them to userspace when a syscall fails. We also need to preserve
x1 as all registers are preserved other than the return value.

Reviewed by:	emaste
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D16008

END