Fixes for mmix-knuth-mmixware

[J. Johnston]

Hans-Peter Nilsson wrote:
> 
> Hi.  A few patches (attached) for:
> - Framework bugs, needs _link and should define _times, not times (a bug
>   in common with other targets, it seems).
> - Trying to handle file append completely wrong (there's actually no
>   support for it in the simulator).
> - Missing __volatile__ on the value-returning asms for simulator calls
>   made them disappear if the values weren't used.  Bad if you expect some
>   side-effect from them. :-)
> 
> Can I please commit this?  (Else please consider doing it for me.)

Done.

> Can I commit changes to the mmixware files in the future, without explicit
> approval?
> 

Yes, assuming you already have write access.  

> 2002-02-12  Hans-Peter Nilsson  <hp@bitrange.com>
> 
>         * libc/sys/mmixware/link.c: New.
>         * libc/sys/mmixware/sys/syscall.h (TRAP1i, I3f): Make asm
>         volatile.
>         * libc/sys/mmixware/times.c (_times): Renamed from times.
>         * libc/sys/mmixware/open.c (_open): Attempt to handle O_APPEND
>         properly by reading previous contents, not through BinaryReadWrite.
>         * libc/sys/mmixware/Makefile.am (lib_a_SOURCES): Add link.c
>         * libc/sys/mmixware/Makefile.in: Regenerate.
> 
> (Nag: don't forget to regenerate libc/sys/mmixware/Makefile.in. ;-)
> 

Done.

-- Jeff J.