osfmk/vm/vm_map.c

136 	vm_prot_t		protection);
382  *	Virtual memory maps provide for the mapping, protection,
572 				     map_entry->protection,
1327 	new_entry->protection = VM_PROT_DEFAULT;
1387 	vm_prot_t		protection)
1419 		kr = vm_fault_enter(m, map->pmap, addr, protection, protection,
1887 				    entry->protection != cur_protection ||
1981 		   (entry->protection == cur_protection) &&
2026 		 * allocation into 4GB chunks if the max protection is NONE.  That
2143 				     new_entry->protection, TRUE);
2179 		 * the protection of each mapping) and calls
2367 			max_protection &= named_entry->protection;
2370 			cur_protection &= named_entry->protection;
2372 		if ((named_entry->protection & max_protection) !=
2375 		if ((named_entry->protection & cur_protection) !=
2440 			protections = named_entry->protection & VM_PROT_ALL;
2441 			access = GET_MAP_MEM(named_entry->protection);
2559 		 * the protection of each mapping) and calls
2713 	 * the protection of each mapping) and calls
3475  *	Sets the protection of the specified address
3477  *	specified, the maximum protection is to be set;
3478  *	otherwise, only the current protection is affected.
3528 	 *	Make a first pass to check for protection and address
3597 		old_prot = current->protection;
3601 			/* mapped data, this implies that max protection  */
3615 			current->protection =
3620 			current->protection = new_prot & ~VM_PROT_COPY;
3624 		 *	If the request is to turn off write protection,
3627 		 *	set, the new protection in the map, so if a
3631 		if (current->protection != old_prot) {
3638 			prot = current->protection & ~VM_PROT_WRITE;
3850  *	generate page faults.  This is checked against protection of
4205 		 * Check for holes and protection mismatch.
4209 		 *	wiring is by protection class
4218 		if ((entry->protection & access_type) != access_type) {
4219 			/* found a protection problem */
5506 		if ( ! (entry->protection & VM_PROT_WRITE)) {
5576  *		The attributes (protection and inheritance) of the
5754 		if ( ! (entry->protection & VM_PROT_WRITE)) {
5911 					 * the protection of the copy_entry.
5913 					entry->protection = VM_PROT_ALL;
6545 		    ((entry->protection & VM_PROT_WRITE) != 0))
6682  *	little details about getting protection and inheritance
6683  *	right.  Should add protection, inheritance, and sharing checks
6719 		 *	address map, and that the protection is
6732 		 *	Check protection again
6735 		if ( ! (entry->protection & VM_PROT_WRITE)) {
7422 		entry->protection = VM_PROT_DEFAULT;
7483 				prot = entry->protection;
7804 		if (((src_entry->protection & VM_PROT_READ) == VM_PROT_NONE &&
7872 				prot = src_entry->protection & ~VM_PROT_WRITE;
8001 		if ((((src_entry->protection & VM_PROT_READ) == VM_PROT_NONE) &&
8318 		    (old_entry->protection & VM_PROT_WRITE)) {
8321 			prot = old_entry->protection & ~VM_PROT_WRITE;
8575 				prot = old_entry->protection & ~VM_PROT_WRITE;
8651  *	protection for a given virtual address in the
8655  *	Returns the (object, offset, protection) for
8666  *	If a lookup is requested with "write protection"
8906 				prot = submap_entry->protection & ~VM_PROT_WRITE;
8992 			entry->protection |= submap_entry->protection;
9027 	prot = entry->protection;
9128 	 *	return the protection.
9508 		submap_info->protection = curr_entry->protection;
9518 		short_info->protection = curr_entry->protection;
9647 		basic->protection = entry->protection;
9692 		basic->protection = entry->protection;
9734 		extended->protection = entry->protection;
10202 	    (prev_entry->protection == this_entry->protection) &&
10627 		if ((entry->protection & VM_PROT_READ) == 0) {
10719 	    entry->protection != VM_PROT_DEFAULT ||
11043 	new_entry->protection = cur_protection;
11189 				    (src_entry->protection & VM_PROT_WRITE)) {
11192 				        prot = src_entry->protection & ~VM_PROT_WRITE;
11279 				prot = src_entry->protection & ~VM_PROT_WRITE;
11382 			*cur_protection &= src_entry->protection;
11834 			vm_map_offset_t end, vm_prot_t protection)
11870 		 * Check protection associated with entry.
11873 		if ((entry->protection & protection) != protection) {
11931 	if ((entry->protection & VM_PROT_WRITE) == 0) {
12580 				    (named_entry->protection
12639 				    (named_entry->protection