sys/vm/vm_mmap.c

167 	int prot;
179 	return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, uap->prot,
184 kern_mmap(struct thread *td, uintptr_t addr0, size_t size, int prot, int flags,
188 	return (kern_mmap_fpcheck(td, addr0, size, prot, flags, fd, pos, NULL));
196 kern_mmap_fpcheck(struct thread *td, uintptr_t addr0, size_t size, int prot,
237 		    ((prot & (PROT_READ | PROT_WRITE)) != (PROT_READ | PROT_WRITE)))
254 	if (prot != PROT_NONE &&
255 	    (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC)) != 0)
257 	if ((flags & MAP_GUARD) != 0 && (prot != PROT_NONE || fd != -1 ||
345 		error = vm_mmap_object(&vms->vm_map, &addr, size, prot,
355 		if (prot & PROT_READ)
358 			if (prot & PROT_WRITE)
361 		if (prot & PROT_EXEC)
372 			error = check_fp_fn(fp, prot, cap_maxprot, flags);
377 		error = fo_mmap(fp, &vms->vm_map, &addr, size, prot,
395 	return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, uap->prot,
405 	int prot;
424 	int flags, prot;
431 	prot = cvtbsdprot[uap->prot & 0x7];
435 	    prot != 0)
436 		prot |= PROT_EXEC;
450 	return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, flags,
596 	int prot;
603 	return (kern_mprotect(td, (uintptr_t)uap->addr, uap->len, uap->prot));
607 kern_mprotect(struct thread *td, uintptr_t addr0, size_t size, int prot)
613 	prot = (prot & VM_PROT_ALL);
628 	    addr + size, prot, FALSE)) {
1222     vm_prot_t prot, vm_prot_t *maxprotp, int *flagsp,
1274 	error = mac_vnode_check_mmap(cred, vp, (int)prot, flags);
1280 			if (prot & VM_PROT_WRITE) {
1296 		obj = vm_pager_allocate(OBJT_VNODE, vp, objsize, prot, foff,
1333 vm_mmap_cdev(struct thread *td, vm_size_t objsize, vm_prot_t prot,
1353 	    (prot & VM_PROT_WRITE) != 0)
1362 	error = mac_cdev_check_mmap(td->td_ucred, cdev, (int)prot);
1375 	error = dsw->d_mmap_single(cdev, foff, objsize, objp, (int)prot);
1378 	obj = vm_pager_allocate(OBJT_DEVICE, cdev, objsize, prot, *foff,
1395 vm_mmap(vm_map_t map, vm_offset_t *addr, vm_size_t size, vm_prot_t prot,
1425 		error = vm_mmap_cdev(td, size, prot, &maxprot, &flags, cdev,
1431 		error = vm_mmap_vnode(td, size, prot, &maxprot, &flags,
1447 	error = vm_mmap_object(map, addr, size, prot, maxprot, flags, object,
1466 vm_mmap_object(vm_map_t map, vm_offset_t *addr, vm_size_t size, vm_prot_t prot,
1572 			    findspace, prot, maxprot, docow);
1575 			    max_addr, findspace, prot, maxprot, docow);
1579 		    prot, maxprot, docow);