K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2020-02-06T18:04:45.487638Z
K 7
svn:log
V 366
Use the context created in makectx() for stack traces.

Always use the kdb_thr_ctx() for db_trace_thread() as on other
architectures.  Initialize pcb_ra to be the sepc from the saved
trapframe rather than the saved ra to avoid skipping a frame.

Reviewed by:	mhorne, br
MFC after:	1 week
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D23513

END