John Baldwin 2243365e29 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
2020-02-06 18:04:45 +00:00
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