Subject: Re: __sigreturn14
To: ITOH Yasufumi <yasufu-i@is.aist-nara.ac.jp>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-m68k
Date: 11/21/1998 02:21:03
On Sat, 21 Nov 1998 14:08:55 +0900 (JST) 
 yasufu-i@is.aist-nara.ac.jp (ITOH Yasufumi) wrote:

 > In article <199811202204.OAA04825@lestat.nas.nasa.gov>
 > thorpej@nas.nasa.gov writes:
 > 
 > [ use d0 to pass syscall # ]
 > 
 > > That can't work... it clobbers the value of d0 (which breaks
 > > longjmp).
 > 
 > Alas....  I see.
 > 
 > Well, then, we waste a trap every time we change signal interface.
 > I don't think this is a good way.
 > 
 > How about using d1/a0/a1/stack ?

We (Charles and I) hope to have a getcontext/setcontext system call to
deal with this issue after 1.4.

Jason R. Thorpe                                       thorpej@nas.nasa.gov
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