| #![allow( |
| dead_code, |
| non_snake_case, |
| non_camel_case_types, |
| non_upper_case_globals |
| )] |
| |
| #[repr(C)] |
| #[derive(Copy, Clone, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)] |
| pub struct __BindgenBitfieldUnit<Storage> { |
| storage: Storage, |
| } |
| impl<Storage> __BindgenBitfieldUnit<Storage> { |
| #[inline] |
| pub const fn new(storage: Storage) -> Self { |
| Self { storage } |
| } |
| } |
| impl<Storage> __BindgenBitfieldUnit<Storage> |
| where |
| Storage: AsRef<[u8]> + AsMut<[u8]>, |
| { |
| #[inline] |
| pub fn get_bit(&self, index: usize) -> bool { |
| debug_assert!(index / 8 < self.storage.as_ref().len()); |
| let byte_index = index / 8; |
| let byte = self.storage.as_ref()[byte_index]; |
| let bit_index = if cfg!(target_endian = "big") { |
| 7 - (index % 8) |
| } else { |
| index % 8 |
| }; |
| let mask = 1 << bit_index; |
| byte & mask == mask |
| } |
| #[inline] |
| pub fn set_bit(&mut self, index: usize, val: bool) { |
| debug_assert!(index / 8 < self.storage.as_ref().len()); |
| let byte_index = index / 8; |
| let byte = &mut self.storage.as_mut()[byte_index]; |
| let bit_index = if cfg!(target_endian = "big") { |
| 7 - (index % 8) |
| } else { |
| index % 8 |
| }; |
| let mask = 1 << bit_index; |
| if val { |
| *byte |= mask; |
| } else { |
| *byte &= !mask; |
| } |
| } |
| #[inline] |
| pub fn get(&self, bit_offset: usize, bit_width: u8) -> u64 { |
| debug_assert!(bit_width <= 64); |
| debug_assert!(bit_offset / 8 < self.storage.as_ref().len()); |
| debug_assert!( |
| (bit_offset + (bit_width as usize)) / 8 <= |
| self.storage.as_ref().len() |
| ); |
| let mut val = 0; |
| for i in 0..(bit_width as usize) { |
| if self.get_bit(i + bit_offset) { |
| let index = if cfg!(target_endian = "big") { |
| bit_width as usize - 1 - i |
| } else { |
| i |
| }; |
| val |= 1 << index; |
| } |
| } |
| val |
| } |
| #[inline] |
| pub fn set(&mut self, bit_offset: usize, bit_width: u8, val: u64) { |
| debug_assert!(bit_width <= 64); |
| debug_assert!(bit_offset / 8 < self.storage.as_ref().len()); |
| debug_assert!( |
| (bit_offset + (bit_width as usize)) / 8 <= |
| self.storage.as_ref().len() |
| ); |
| for i in 0..(bit_width as usize) { |
| let mask = 1 << i; |
| let val_bit_is_set = val & mask == mask; |
| let index = if cfg!(target_endian = "big") { |
| bit_width as usize - 1 - i |
| } else { |
| i |
| }; |
| self.set_bit(index + bit_offset, val_bit_is_set); |
| } |
| } |
| } |
| #[repr(C, packed(4))] |
| #[derive(Debug, Default, Copy, Clone)] |
| pub struct Test { |
| pub foo: u64, |
| pub _bitfield_align_1: [u64; 0], |
| pub _bitfield_1: __BindgenBitfieldUnit<[u8; 8usize]>, |
| } |
| #[test] |
| fn bindgen_test_layout_Test() { |
| assert_eq!( |
| ::std::mem::size_of::<Test>(), |
| 16usize, |
| concat!("Size of: ", stringify!(Test)) |
| ); |
| assert_eq!( |
| ::std::mem::align_of::<Test>(), |
| 4usize, |
| concat!("Alignment of ", stringify!(Test)) |
| ); |
| assert_eq!( |
| unsafe { &(*(::std::ptr::null::<Test>())).foo as *const _ as usize }, |
| 0usize, |
| concat!("Offset of field: ", stringify!(Test), "::", stringify!(foo)) |
| ); |
| } |
| impl Test { |
| #[inline] |
| pub fn x(&self) -> u64 { |
| unsafe { |
| ::std::mem::transmute(self._bitfield_1.get(0usize, 56u8) as u64) |
| } |
| } |
| #[inline] |
| pub fn set_x(&mut self, val: u64) { |
| unsafe { |
| let val: u64 = ::std::mem::transmute(val); |
| self._bitfield_1.set(0usize, 56u8, val as u64) |
| } |
| } |
| #[inline] |
| pub fn y(&self) -> u64 { |
| unsafe { |
| ::std::mem::transmute(self._bitfield_1.get(56usize, 8u8) as u64) |
| } |
| } |
| #[inline] |
| pub fn set_y(&mut self, val: u64) { |
| unsafe { |
| let val: u64 = ::std::mem::transmute(val); |
| self._bitfield_1.set(56usize, 8u8, val as u64) |
| } |
| } |
| #[inline] |
| pub fn new_bitfield_1( |
| x: u64, |
| y: u64, |
| ) -> __BindgenBitfieldUnit<[u8; 8usize]> { |
| let mut __bindgen_bitfield_unit: __BindgenBitfieldUnit<[u8; 8usize]> = |
| Default::default(); |
| __bindgen_bitfield_unit.set(0usize, 56u8, { |
| let x: u64 = unsafe { ::std::mem::transmute(x) }; |
| x as u64 |
| }); |
| __bindgen_bitfield_unit.set(56usize, 8u8, { |
| let y: u64 = unsafe { ::std::mem::transmute(y) }; |
| y as u64 |
| }); |
| __bindgen_bitfield_unit |
| } |
| } |