438 	int sysnum = SYSTRACE_SYSNUM((uintptr_t)parg);  in systrace_destroy()  local
440 #pragma unused(sysnum)  /* __APPLE__ */  in systrace_destroy()
446 		ASSERT(systrace_sysent[sysnum].stsy_entry == DTRACE_IDNONE);  in systrace_destroy()
448 		ASSERT(systrace_sysent[sysnum].stsy_return == DTRACE_IDNONE);  in systrace_destroy()
458 	int sysnum = SYSTRACE_SYSNUM((uintptr_t)parg);  in systrace_enable()  local
459 	int enabled = (systrace_sysent[sysnum].stsy_entry != DTRACE_IDNONE ||  in systrace_enable()
460 	    systrace_sysent[sysnum].stsy_return != DTRACE_IDNONE);  in systrace_enable()
463 		systrace_sysent[sysnum].stsy_entry = id;  in systrace_enable()
465 		systrace_sysent[sysnum].stsy_return = id;  in systrace_enable()
469 		ASSERT(sysent[sysnum].sy_callc == dtrace_systrace_syscall);  in systrace_enable()
474 	if (sysent[sysnum].sy_callc == systrace_sysent[sysnum].stsy_underlying) {  in systrace_enable()
477 		ml_nofault_copy((vm_offset_t)&dss, (vm_offset_t)&sysent[sysnum].sy_callc, sizeof(vm_offset_t));  in systrace_enable()
490 	int sysnum = SYSTRACE_SYSNUM((uintptr_t)parg);  in systrace_disable()  local
491 	int disable = (systrace_sysent[sysnum].stsy_entry == DTRACE_IDNONE ||  in systrace_disable()
492 	    systrace_sysent[sysnum].stsy_return == DTRACE_IDNONE);  in systrace_disable()
503 		volatile const struct sysent *syscallent = &sysent[sysnum];  in systrace_disable()
507 			ml_nofault_copy((vm_offset_t)&systrace_sysent[sysnum].stsy_underlying,  in systrace_disable()
514 		systrace_sysent[sysnum].stsy_entry = DTRACE_IDNONE;  in systrace_disable()
516 		systrace_sysent[sysnum].stsy_return = DTRACE_IDNONE;  in systrace_disable()
806 	int sysnum = SYSTRACE_SYSNUM((uintptr_t)parg);  in machtrace_destroy()  local
808 #pragma unused(sysnum) /* __APPLE__ */  in machtrace_destroy()
815 		ASSERT(machtrace_sysent[sysnum].stsy_entry == DTRACE_IDNONE);  in machtrace_destroy()
817 		ASSERT(machtrace_sysent[sysnum].stsy_return == DTRACE_IDNONE);  in machtrace_destroy()
827 	int sysnum = SYSTRACE_SYSNUM((uintptr_t)parg);  in machtrace_enable()  local
828 	int enabled = (machtrace_sysent[sysnum].stsy_entry != DTRACE_IDNONE ||  in machtrace_enable()
829 	    machtrace_sysent[sysnum].stsy_return != DTRACE_IDNONE);  in machtrace_enable()
832 		machtrace_sysent[sysnum].stsy_entry = id;  in machtrace_enable()
834 		machtrace_sysent[sysnum].stsy_return = id;  in machtrace_enable()
838 		ASSERT(mach_trap_table[sysnum].mach_trap_function == (void *)dtrace_machtrace_syscall);  in machtrace_enable()
844 	if (mach_trap_table[sysnum].mach_trap_function == machtrace_sysent[sysnum].stsy_underlying) {  in machtrace_enable()
847 …ml_nofault_copy((vm_offset_t)&dss, (vm_offset_t)&mach_trap_table[sysnum].mach_trap_function, sizeo…  in machtrace_enable()
861 	int sysnum = SYSTRACE_SYSNUM((uintptr_t)parg);  in machtrace_disable()  local
862 	int disable = (machtrace_sysent[sysnum].stsy_entry == DTRACE_IDNONE ||  in machtrace_disable()
863 	    machtrace_sysent[sysnum].stsy_return == DTRACE_IDNONE);  in machtrace_disable()
874 		volatile const mach_trap_t *machtrap = &mach_trap_table[sysnum];  in machtrace_disable()
878 			ml_nofault_copy((vm_offset_t)&machtrace_sysent[sysnum].stsy_underlying,  in machtrace_disable()
885 		machtrace_sysent[sysnum].stsy_entry = DTRACE_IDNONE;  in machtrace_disable()
887 		machtrace_sysent[sysnum].stsy_return = DTRACE_IDNONE;  in machtrace_disable()
1008 	int sysnum = SYSTRACE_SYSNUM(parg);  in systrace_getargdesc()  local
1020 		systrace_entry_setargdesc(sysnum, desc->dtargd_ndx,  in systrace_getargdesc()
1023 		systrace_return_setargdesc(sysnum, desc->dtargd_ndx,  in systrace_getargdesc()