trap.c: Why do we save tf_edx in sysmsg_fds[1]?

David P. Reese, Jr. daver at gomerbud.com
Mon Nov 10 01:34:16 PST 2003


In syscall2(), why do we save tf_edx in sysmsg_fds[1] before calling the
actual syscall?  sendsys2() doesn't look like it saves this register
value either.

Grep'ing sys/kern/* doesn't tell me much.

-- 
   David P. Reese, Jr.                                     daver at xxxxxxxxxxxx
                                               http://www.gomerbud.com/daver/





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