dtrace_systrace_syscall
ASSERT(sysent[sysnum].sy_callc == dtrace_systrace_syscall);
(void *)dtrace_systrace_syscall);
(void *)dtrace_systrace_syscall,
if (a->sy_callc == dtrace_systrace_syscall)
extern int64_t dtrace_systrace_syscall(uintptr_t arg0, uintptr_t arg1,