msg_first = 0x0
msg_last  = 0x0
msg_pad1  = 0x0000000000000000
msg_pad2  = 0x0000000000000000
msg_pad3  = 0x0000000000000000
msg_pad4[0] = 0x0000000000000000
msg_pad4[1] = 0x0000000000000000
msg_pad4[2] = 0x0000000000000000
msg_pad4[3] = 0x0000000000000000
RUN_EXIT=0