[Midnightbsd-cvs] src: sparc64/include: add stack(9) for sparc64

[laffer1 at midnightbsd.org]

Log Message:
-----------
add stack(9) for sparc64

Added Files:
-----------
    src/sys/sparc64/include:
        stack.h (r1.1)
        (http://cvsweb.midnightbsd.org/src/sys/sparc64/include/stack.h?rev=1.1&content-type=text/x-cvsweb-markup)
    src/sys/sparc64/sparc64:
        stack_machdep.c (r1.1)
        (http://cvsweb.midnightbsd.org/src/sys/sparc64/sparc64/stack_machdep.c?rev=1.1&content-type=text/x-cvsweb-markup)