dev/dtrace/dtrace_glue.c

117 uread(proc_t *p, void *buf, user_size_t len, user_addr_t a)
136 		ret = vm_map_read_user( map, (vm_map_address_t)a, buf, (vm_size_t)len);
147 uwrite(proc_t *p, void *buf, user_size_t len, user_addr_t a)
171 		mach_vm_size_t sizeOfRegion = (mach_vm_size_t)len;
185 				ret = mach_vm_protect (map, (mach_vm_offset_t)a, (mach_vm_size_t)len, 0, reprotect | VM_PROT_WRITE);
192 				ret = mach_vm_protect (map, (mach_vm_offset_t)a, (mach_vm_size_t)len, 0, VM_PROT_COPY | VM_PROT_READ | VM_PROT_WRITE);
206 					 (vm_size_t)len);
213 			ret = mach_vm_protect (map, (mach_vm_offset_t)a, (mach_vm_size_t)len, 0, reprotect);
1205 dtrace_copyin(user_addr_t src, uintptr_t dst, size_t len, volatile uint16_t *flags)
1209 	if (dtrace_copycheck( src, dst, len )) {
1210 		if (copyin((const user_addr_t)src, (char *)dst, (vm_size_t)len)) {
1219 dtrace_copyinstr(user_addr_t src, uintptr_t dst, size_t len, volatile uint16_t *flags)
1225 	if (dtrace_copycheck( src, dst, len )) {
1226 		/*  copyin as many as 'len' bytes. */
1227 		int error = copyinstr((const user_addr_t)src, (char *)dst, (vm_size_t)len, &actual);
1230 		 * ENAMETOOLONG is returned when 'len' bytes have been copied in but the NUL terminator was
1244 dtrace_copyout(uintptr_t src, user_addr_t dst, size_t len, volatile uint16_t *flags)
1248 	if (dtrace_copycheck( dst, src, len )) {
1249 		if (copyout((const void *)src, dst, (vm_size_t)len)) {
1258 dtrace_copyoutstr(uintptr_t src, user_addr_t dst, size_t len, volatile uint16_t *flags)
1264 	if (dtrace_copycheck( dst, src, len )) {
1267 		 * ENAMETOOLONG is returned when 'len' bytes have been copied out but the NUL terminator was
1272 		if (copyoutstr((const void *)src, dst, (size_t)len, &actual)) {
1513     size_t len;
1519     len = strlen(str);
1528     } while (strncmp(in, str, len) != 0);