K 10
svn:author
V 2
bz
K 8
svn:date
V 27
2015-03-27T08:47:16.474111Z
K 7
svn:log
V 277
Rather than defining our own magic checks here use INKERNEL() for
the PMC_IN_KERNEL() macro definition.

Add missing macros to extract the return address (LR) from the trapframe.

Discussed with:	andrew
Obtained from:	Cambridge/L41
Sponsored by:	DARPA, AFRL
MFC after:	2 weeks

END