DTRACE_ACCESS_ARGS
mstate->dtms_access &= ~DTRACE_ACCESS_ARGS;
~(DTRACE_ACCESS_PROC | DTRACE_ACCESS_ARGS);
mstate->dtms_access &= ~DTRACE_ACCESS_ARGS;
if (!(mstate->dtms_access & DTRACE_ACCESS_ARGS)) {
mstate.dtms_access = DTRACE_ACCESS_ARGS | DTRACE_ACCESS_PROC;