davidxu 9ec724bfc3 In syscall, always make a copy of parameters from trapframe, this
becauses some syscalls using set_mcontext can sneakily change
parameters and later when those syscalls references parameters,
they will wrongly use register values in mcontext_t.

Approved by: peter
2004-08-09 23:57:59 +00:00
..
2002-07-06 02:49:07 +00:00