jhb 80d99cf13b Clear all of the VFP state in fill_fpregs().
Zero the entire FP register set structure returned for ptrace() if a
thread hasn't used FP registers rather than leaking garbage in the
fp_sr and fp_cr fields.

Reviewed by:	emaste, andrew
Approved by:	re (rgrimes)
MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D17140
2018-09-19 22:53:52 +00:00
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