* do_ri and EPC adjustment
@ 2002-10-04 22:06 Kip Walker
2002-10-05 12:51 ` Ralf Baechle
0 siblings, 1 reply; 2+ messages in thread
From: Kip Walker @ 2002-10-04 22:06 UTC (permalink / raw)
To: linux-mips
Sorry if this has already been discussed, but why does do_ri() adjust
the EPC in compute_return_epc() before delivering the SIGILL to a user
process?
Kip
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: do_ri and EPC adjustment
2002-10-04 22:06 do_ri and EPC adjustment Kip Walker
@ 2002-10-05 12:51 ` Ralf Baechle
0 siblings, 0 replies; 2+ messages in thread
From: Ralf Baechle @ 2002-10-05 12:51 UTC (permalink / raw)
To: Kip Walker; +Cc: linux-mips
On Fri, Oct 04, 2002 at 03:06:23PM -0700, Kip Walker wrote:
> Sorry if this has already been discussed, but why does do_ri() adjust
> the EPC in compute_return_epc() before delivering the SIGILL to a user
> process?
The original reason was to avoid having knowledge weather to skip over an
instruction or not from the signal return path. For various reasons this
seems a wrong decission.
Ralf
^ permalink raw reply [flat|nested] 2+ messages in thread
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