diff --git a/gen/modules/general.h b/gen/modules/general.h
index 6535dcf..a669134 100644
--- a/gen/modules/general.h
+++ b/gen/modules/general.h
@@ -251,3 +251,18 @@ typedef __statfs_word __fsword_t;
 #define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK)
 #define TFD_CREATE_FLAGS TFD_SHARED_FCNTL_FLAGS
 #define TFD_SETTIME_FLAGS TFD_TIMER_ABSTIME
+
+struct user_desc {
+        unsigned int  entry_number;
+        unsigned int  base_addr;
+        unsigned int  limit;
+        unsigned int  seg_32bit:1;
+        unsigned int  contents:2;
+        unsigned int  read_exec_only:1;
+        unsigned int  limit_in_pages:1;
+        unsigned int  seg_not_present:1;
+        unsigned int  useable:1;
+#ifdef __x86_64__
+        unsigned int  lm:1;
+#endif
+};
diff --git a/src/v2_6_32/powerpc/general.rs b/src/v2_6_32/powerpc/general.rs
index 6e84159..e50cec0 100644
--- a/src/v2_6_32/powerpc/general.rs
+++ b/src/v2_6_32/powerpc/general.rs
@@ -2748,3 +2748,110 @@ pub f_frsize: __u32,
 pub f_spare: [__u32; 5usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v2_6_32/x86/general.rs b/src/v2_6_32/x86/general.rs
index 796b789..7e34831 100644
--- a/src/v2_6_32/x86/general.rs
+++ b/src/v2_6_32/x86/general.rs
@@ -2727,3 +2727,110 @@ pub f_frsize: __u32,
 pub f_spare: [__u32; 5usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v2_6_32/x86_64/general.rs b/src/v2_6_32/x86_64/general.rs
index 0cdd390..0bc59d7 100644
--- a/src/v2_6_32/x86_64/general.rs
+++ b/src/v2_6_32/x86_64/general.rs
@@ -2666,3 +2666,125 @@ pub f_frsize: __u32,
 pub f_spare: [__u32; 5usize],
 }
 pub type __fsword_t = crate::ctypes::c_long;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn lm(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(7usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_lm(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(7usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint, lm: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit.set(7usize, 1u8, {
+let lm: u32 = unsafe { ::core::mem::transmute(lm) };
+lm as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v3_10/powerpc64/general.rs b/src/v3_10/powerpc64/general.rs
index 3a0c0cb..c429b37 100644
--- a/src/v3_10/powerpc64/general.rs
+++ b/src/v3_10/powerpc64/general.rs
@@ -2859,3 +2859,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = crate::ctypes::c_long;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v3_2/arm/general.rs b/src/v3_2/arm/general.rs
index 7953def..a68fb14 100644
--- a/src/v3_2/arm/general.rs
+++ b/src/v3_2/arm/general.rs
@@ -2856,3 +2856,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v4_2/aarch64/general.rs b/src/v4_2/aarch64/general.rs
index ae763a9..933d094 100644
--- a/src/v4_2/aarch64/general.rs
+++ b/src/v4_2/aarch64/general.rs
@@ -2850,3 +2850,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v4_20/riscv64/general.rs b/src/v4_20/riscv64/general.rs
index bd68fcf..9e48dbd 100644
--- a/src/v4_20/riscv64/general.rs
+++ b/src/v4_20/riscv64/general.rs
@@ -3278,3 +3278,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v4_4/mips/general.rs b/src/v4_4/mips/general.rs
index 7edd87c..415322a 100644
--- a/src/v4_4/mips/general.rs
+++ b/src/v4_4/mips/general.rs
@@ -3134,3 +3134,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 5usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v4_4/mips64/general.rs b/src/v4_4/mips64/general.rs
index 30f642c..ddcfe8d 100644
--- a/src/v4_4/mips64/general.rs
+++ b/src/v4_4/mips64/general.rs
@@ -3084,3 +3084,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 5usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/aarch64/general.rs b/src/v5_11/aarch64/general.rs
index 23963d1..37198b4 100644
--- a/src/v5_11/aarch64/general.rs
+++ b/src/v5_11/aarch64/general.rs
@@ -3613,3 +3613,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/arm/general.rs b/src/v5_11/arm/general.rs
index 19874b2..04e30e1 100644
--- a/src/v5_11/arm/general.rs
+++ b/src/v5_11/arm/general.rs
@@ -3734,3 +3734,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/mips/general.rs b/src/v5_11/mips/general.rs
index 8c18705..b65b592 100644
--- a/src/v5_11/mips/general.rs
+++ b/src/v5_11/mips/general.rs
@@ -3878,3 +3878,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 5usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/mips64/general.rs b/src/v5_11/mips64/general.rs
index 2d1f398..4460a1c 100644
--- a/src/v5_11/mips64/general.rs
+++ b/src/v5_11/mips64/general.rs
@@ -3806,3 +3806,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 5usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/powerpc/general.rs b/src/v5_11/powerpc/general.rs
index ea7a34d..ec823e4 100644
--- a/src/v5_11/powerpc/general.rs
+++ b/src/v5_11/powerpc/general.rs
@@ -3792,3 +3792,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/powerpc64/general.rs b/src/v5_11/powerpc64/general.rs
index 883e89c..41c5524 100644
--- a/src/v5_11/powerpc64/general.rs
+++ b/src/v5_11/powerpc64/general.rs
@@ -3750,3 +3750,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/riscv32/general.rs b/src/v5_11/riscv32/general.rs
index 9b0fd2e..c80b8fa 100644
--- a/src/v5_11/riscv32/general.rs
+++ b/src/v5_11/riscv32/general.rs
@@ -3614,3 +3614,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/riscv64/general.rs b/src/v5_11/riscv64/general.rs
index 671ac50..ead970d 100644
--- a/src/v5_11/riscv64/general.rs
+++ b/src/v5_11/riscv64/general.rs
@@ -3611,3 +3611,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/s390x/general.rs b/src/v5_11/s390x/general.rs
index dfc6ef3..9b2ed01 100644
--- a/src/v5_11/s390x/general.rs
+++ b/src/v5_11/s390x/general.rs
@@ -3654,3 +3654,110 @@ pub f_flags: crate::ctypes::c_uint,
 pub f_spare: [crate::ctypes::c_uint; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/sparc/general.rs b/src/v5_11/sparc/general.rs
index 21b5a88..a57aa15 100644
--- a/src/v5_11/sparc/general.rs
+++ b/src/v5_11/sparc/general.rs
@@ -3949,3 +3949,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/sparc64/general.rs b/src/v5_11/sparc64/general.rs
index 758dfed..1e105a2 100644
--- a/src/v5_11/sparc64/general.rs
+++ b/src/v5_11/sparc64/general.rs
@@ -3914,3 +3914,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/x86/general.rs b/src/v5_11/x86/general.rs
index ba16c9d..1618fd8 100644
--- a/src/v5_11/x86/general.rs
+++ b/src/v5_11/x86/general.rs
@@ -3762,3 +3762,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_11/x86_64/general.rs b/src/v5_11/x86_64/general.rs
index a352b6f..90f4b75 100644
--- a/src/v5_11/x86_64/general.rs
+++ b/src/v5_11/x86_64/general.rs
@@ -3661,3 +3661,125 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn lm(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(7usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_lm(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(7usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint, lm: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit.set(7usize, 1u8, {
+let lm: u32 = unsafe { ::core::mem::transmute(lm) };
+lm as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/aarch64/general.rs b/src/v5_4/aarch64/general.rs
index d3667e0..cbe5e32 100644
--- a/src/v5_4/aarch64/general.rs
+++ b/src/v5_4/aarch64/general.rs
@@ -3482,3 +3482,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/arm/general.rs b/src/v5_4/arm/general.rs
index 963c7f1..de8ae8b 100644
--- a/src/v5_4/arm/general.rs
+++ b/src/v5_4/arm/general.rs
@@ -3606,3 +3606,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/mips/general.rs b/src/v5_4/mips/general.rs
index 626d13d..d3745d8 100644
--- a/src/v5_4/mips/general.rs
+++ b/src/v5_4/mips/general.rs
@@ -3750,3 +3750,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 5usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/mips64/general.rs b/src/v5_4/mips64/general.rs
index 1b99ff7..976a54b 100644
--- a/src/v5_4/mips64/general.rs
+++ b/src/v5_4/mips64/general.rs
@@ -3678,3 +3678,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 5usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/powerpc/general.rs b/src/v5_4/powerpc/general.rs
index 13f49ea..59fc4d9 100644
--- a/src/v5_4/powerpc/general.rs
+++ b/src/v5_4/powerpc/general.rs
@@ -3664,3 +3664,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/powerpc64/general.rs b/src/v5_4/powerpc64/general.rs
index 0fab734..e531abe 100644
--- a/src/v5_4/powerpc64/general.rs
+++ b/src/v5_4/powerpc64/general.rs
@@ -3622,3 +3622,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/riscv32/general.rs b/src/v5_4/riscv32/general.rs
index 4c95d2f..8704657 100644
--- a/src/v5_4/riscv32/general.rs
+++ b/src/v5_4/riscv32/general.rs
@@ -3479,3 +3479,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/riscv64/general.rs b/src/v5_4/riscv64/general.rs
index 798081c..252226e 100644
--- a/src/v5_4/riscv64/general.rs
+++ b/src/v5_4/riscv64/general.rs
@@ -3476,3 +3476,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/s390x/general.rs b/src/v5_4/s390x/general.rs
index a65a3bc..aeb0790 100644
--- a/src/v5_4/s390x/general.rs
+++ b/src/v5_4/s390x/general.rs
@@ -3526,3 +3526,110 @@ pub f_flags: crate::ctypes::c_uint,
 pub f_spare: [crate::ctypes::c_uint; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/sparc/general.rs b/src/v5_4/sparc/general.rs
index eae62df..444f9a3 100644
--- a/src/v5_4/sparc/general.rs
+++ b/src/v5_4/sparc/general.rs
@@ -3820,3 +3820,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/sparc64/general.rs b/src/v5_4/sparc64/general.rs
index 4b9fbf3..070ff0d 100644
--- a/src/v5_4/sparc64/general.rs
+++ b/src/v5_4/sparc64/general.rs
@@ -3785,3 +3785,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/x86/general.rs b/src/v5_4/x86/general.rs
index 4c3cdc3..ba8642e 100644
--- a/src/v5_4/x86/general.rs
+++ b/src/v5_4/x86/general.rs
@@ -3634,3 +3634,110 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __u32;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit
+}
+}
diff --git a/src/v5_4/x86_64/general.rs b/src/v5_4/x86_64/general.rs
index 671ab65..d5372ab 100644
--- a/src/v5_4/x86_64/general.rs
+++ b/src/v5_4/x86_64/general.rs
@@ -3533,3 +3533,125 @@ pub f_flags: __u32,
 pub f_spare: [__u32; 4usize],
 }
 pub type __fsword_t = __kernel_long_t;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct user_desc {
+pub entry_number: crate::ctypes::c_uint,
+pub base_addr: crate::ctypes::c_uint,
+pub limit: crate::ctypes::c_uint,
+pub _bitfield_align_1: [u8; 0],
+pub _bitfield_1: __BindgenBitfieldUnit<[u8; 1usize]>,
+pub __bindgen_padding_0: [u8; 3usize],
+}
+impl user_desc {
+#[inline]
+pub fn seg_32bit(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_32bit(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(0usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn contents(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(1usize, 2u8) as u32) }
+}
+#[inline]
+pub fn set_contents(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(1usize, 2u8, val as u64)
+}
+}
+#[inline]
+pub fn read_exec_only(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(3usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_read_exec_only(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(3usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn limit_in_pages(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(4usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_limit_in_pages(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(4usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn seg_not_present(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(5usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_seg_not_present(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(5usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn useable(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(6usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_useable(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(6usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn lm(&self) -> crate::ctypes::c_uint {
+unsafe { ::core::mem::transmute(self._bitfield_1.get(7usize, 1u8) as u32) }
+}
+#[inline]
+pub fn set_lm(&mut self, val: crate::ctypes::c_uint) {
+unsafe {
+let val: u32 = ::core::mem::transmute(val);
+self._bitfield_1.set(7usize, 1u8, val as u64)
+}
+}
+#[inline]
+pub fn new_bitfield_1(seg_32bit: crate::ctypes::c_uint, contents: crate::ctypes::c_uint, read_exec_only: crate::ctypes::c_uint, limit_in_pages: crate::ctypes::c_uint, seg_not_present: crate::ctypes::c_uint, useable: crate::ctypes::c_uint, lm: crate::ctypes::c_uint) -> __BindgenBitfieldUnit<[u8; 1usize]> {
+let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 1usize]> = Default::default();
+__bindgen_bitfield_unit.set(0usize, 1u8, {
+let seg_32bit: u32 = unsafe { ::core::mem::transmute(seg_32bit) };
+seg_32bit as u64
+});
+__bindgen_bitfield_unit.set(1usize, 2u8, {
+let contents: u32 = unsafe { ::core::mem::transmute(contents) };
+contents as u64
+});
+__bindgen_bitfield_unit.set(3usize, 1u8, {
+let read_exec_only: u32 = unsafe { ::core::mem::transmute(read_exec_only) };
+read_exec_only as u64
+});
+__bindgen_bitfield_unit.set(4usize, 1u8, {
+let limit_in_pages: u32 = unsafe { ::core::mem::transmute(limit_in_pages) };
+limit_in_pages as u64
+});
+__bindgen_bitfield_unit.set(5usize, 1u8, {
+let seg_not_present: u32 = unsafe { ::core::mem::transmute(seg_not_present) };
+seg_not_present as u64
+});
+__bindgen_bitfield_unit.set(6usize, 1u8, {
+let useable: u32 = unsafe { ::core::mem::transmute(useable) };
+useable as u64
+});
+__bindgen_bitfield_unit.set(7usize, 1u8, {
+let lm: u32 = unsafe { ::core::mem::transmute(lm) };
+lm as u64
+});
+__bindgen_bitfield_unit
+}
+}