K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2016-08-28T00:26:06.339709Z
K 7
svn:log
V 247
Follow ABI when calling __error from the ptrace(2) wrapper.

In particular, preserve syscall arguments on stack, since callee is
not required to preserve arg-passing registers.  Align stack.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

END