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Show First 20 Lines • Show All 455 Lines • ▼ Show 20 Lines	case T_SEGNPFLT: /* segment not present fault */
* survive for too long. Switch to the normal		* survive for too long. Switch to the normal
* thread stack for the trap handling.		* thread stack for the trap handling.
*		*
* Magic '5' is the number of qwords occupied by		* Magic '5' is the number of qwords occupied by
* the hardware trap frame.		* the hardware trap frame.
*/		*/
if (frame->tf_rip == (long)doreti_iret) {		if (frame->tf_rip == (long)doreti_iret) {
frame->tf_rip = (long)doreti_iret_fault;		frame->tf_rip = (long)doreti_iret_fault;
if (pti && frame->tf_rsp == (uintptr_t)PCPU_PTR(		if ((PCPU_GET(curpmap)->pm_ucr3 !=
pti_stack) + (PC_PTI_STACK_SZ - 5) *		PMAP_NO_CR3) &&
sizeof(register_t))		(frame->tf_rsp == (uintptr_t)PCPU_GET(
		pti_rsp0) - 5 * sizeof(register_t))) {
frame->tf_rsp = PCPU_GET(rsp0) - 5 *		frame->tf_rsp = PCPU_GET(rsp0) - 5 *
sizeof(register_t);		sizeof(register_t);
		}
return;		return;
}		}
if (frame->tf_rip == (long)ld_ds) {		if (frame->tf_rip == (long)ld_ds) {
frame->tf_rip = (long)ds_load_fault;		frame->tf_rip = (long)ds_load_fault;
return;		return;
}		}
if (frame->tf_rip == (long)ld_es) {		if (frame->tf_rip == (long)ld_es) {
frame->tf_rip = (long)es_load_fault;		frame->tf_rip = (long)es_load_fault;
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