It now runs hello world binary.

It now runs hello world binary.

Fixed the exec context proxy class to have a getMemPort function.

arch/alpha/linux/process.cc:
arch/alpha/tru64/process.cc:
kern/tru64/tru64.hh:
sim/syscall_emul.cc:
sim/syscall_emul.hh:
    Fix to use new exec context proxy

--HG--
extra : convert_revision : eaa05dfab3fdb77627f6cf404a2569a44232f604