| use core::ops::{Deref, DerefMut}; |
| use core::{mem, slice}; |
| use crate::flag::{EventFlags, MapFlags, PtraceFlags, SigActionFlags}; |
| |
| #[derive(Copy, Clone, Debug, Default)] |
| #[repr(C)] |
| pub struct Event { |
| pub id: usize, |
| pub flags: EventFlags, |
| pub data: usize |
| } |
| |
| impl Deref for Event { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const Event as *const u8, mem::size_of::<Event>()) |
| } |
| } |
| } |
| |
| impl DerefMut for Event { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut Event as *mut u8, mem::size_of::<Event>()) |
| } |
| } |
| } |
| |
| #[derive(Copy, Clone, Debug, Default)] |
| #[repr(C)] |
| pub struct ITimerSpec { |
| pub it_interval: TimeSpec, |
| pub it_value: TimeSpec, |
| } |
| |
| impl Deref for ITimerSpec { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const ITimerSpec as *const u8, |
| mem::size_of::<ITimerSpec>()) |
| } |
| } |
| } |
| |
| impl DerefMut for ITimerSpec { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut ITimerSpec as *mut u8, |
| mem::size_of::<ITimerSpec>()) |
| } |
| } |
| } |
| |
| #[derive(Copy, Clone, Debug, Default)] |
| #[repr(C)] |
| pub struct OldMap { |
| pub offset: usize, |
| pub size: usize, |
| pub flags: MapFlags, |
| } |
| |
| impl Deref for OldMap { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const OldMap as *const u8, mem::size_of::<OldMap>()) |
| } |
| } |
| } |
| |
| impl DerefMut for OldMap { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut OldMap as *mut u8, mem::size_of::<OldMap>()) |
| } |
| } |
| } |
| #[derive(Copy, Clone, Debug, Default)] |
| #[repr(C)] |
| pub struct Map { |
| /// The offset inside the file that is being mapped. |
| pub offset: usize, |
| |
| /// The size of the memory map. |
| pub size: usize, |
| |
| /// Contains both prot and map flags. |
| pub flags: MapFlags, |
| |
| /// Functions as a hint to where in the virtual address space of the running process, to place |
| /// the memory map. If [`MapFlags::MAP_FIXED`] is set, then this address must be the address to |
| /// map to. |
| pub address: usize, |
| } |
| |
| impl Deref for Map { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const Map as *const u8, mem::size_of::<Map>()) |
| } |
| } |
| } |
| |
| impl DerefMut for Map { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut Map as *mut u8, mem::size_of::<Map>()) |
| } |
| } |
| } |
| |
| #[derive(Copy, Clone, Debug, Default)] |
| #[repr(C)] |
| pub struct Packet { |
| pub id: u64, |
| pub pid: usize, |
| pub uid: u32, |
| pub gid: u32, |
| pub a: usize, |
| pub b: usize, |
| pub c: usize, |
| pub d: usize |
| } |
| |
| impl Deref for Packet { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const Packet as *const u8, mem::size_of::<Packet>()) |
| } |
| } |
| } |
| |
| impl DerefMut for Packet { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut Packet as *mut u8, mem::size_of::<Packet>()) |
| } |
| } |
| } |
| |
| #[derive(Copy, Clone, Debug, Default, PartialEq)] |
| #[repr(C)] |
| pub struct SigAction { |
| pub sa_handler: Option<extern "C" fn(usize)>, |
| pub sa_mask: [u64; 2], |
| pub sa_flags: SigActionFlags, |
| } |
| impl Deref for SigAction { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const SigAction as *const u8, |
| mem::size_of::<SigAction>()) |
| } |
| } |
| } |
| |
| impl DerefMut for SigAction { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut SigAction as *mut u8, |
| mem::size_of::<SigAction>()) |
| } |
| } |
| } |
| |
| #[allow(dead_code)] |
| unsafe fn _assert_size_of_function_is_sane() { |
| // Transmuting will complain *at compile time* if sizes differ. |
| // Rust forbids a fn-pointer from being 0 so to allow SIG_DFL to |
| // exist, we use Option<extern "C" fn(usize)> which will mean 0 |
| // becomes None |
| let _ = mem::transmute::<Option<extern "C" fn(usize)>, usize>(None); |
| } |
| |
| #[derive(Copy, Clone, Debug, Default, PartialEq)] |
| #[repr(C)] |
| pub struct Stat { |
| pub st_dev: u64, |
| pub st_ino: u64, |
| pub st_mode: u16, |
| pub st_nlink: u32, |
| pub st_uid: u32, |
| pub st_gid: u32, |
| pub st_size: u64, |
| pub st_blksize: u32, |
| pub st_blocks: u64, |
| pub st_mtime: u64, |
| pub st_mtime_nsec: u32, |
| pub st_atime: u64, |
| pub st_atime_nsec: u32, |
| pub st_ctime: u64, |
| pub st_ctime_nsec: u32, |
| } |
| |
| impl Deref for Stat { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const Stat as *const u8, |
| mem::size_of::<Stat>()) |
| } |
| } |
| } |
| |
| impl DerefMut for Stat { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut Stat as *mut u8, |
| mem::size_of::<Stat>()) |
| } |
| } |
| } |
| |
| #[derive(Copy, Clone, Debug, Default, PartialEq)] |
| #[repr(C)] |
| pub struct StatVfs { |
| pub f_bsize: u32, |
| pub f_blocks: u64, |
| pub f_bfree: u64, |
| pub f_bavail: u64, |
| } |
| |
| impl Deref for StatVfs { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const StatVfs as *const u8, |
| mem::size_of::<StatVfs>()) |
| } |
| } |
| } |
| |
| impl DerefMut for StatVfs { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut StatVfs as *mut u8, |
| mem::size_of::<StatVfs>()) |
| } |
| } |
| } |
| |
| #[derive(Copy, Clone, Debug, Default, PartialEq)] |
| #[repr(C)] |
| pub struct TimeSpec { |
| pub tv_sec: i64, |
| pub tv_nsec: i32, |
| } |
| |
| impl Deref for TimeSpec { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const TimeSpec as *const u8, |
| mem::size_of::<TimeSpec>()) |
| } |
| } |
| } |
| |
| impl DerefMut for TimeSpec { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut TimeSpec as *mut u8, |
| mem::size_of::<TimeSpec>()) |
| } |
| } |
| } |
| |
| #[derive(Clone, Copy, Debug, Default)] |
| #[repr(C)] |
| pub struct PtraceEvent { |
| pub cause: PtraceFlags, |
| pub a: usize, |
| pub b: usize, |
| pub c: usize, |
| pub d: usize, |
| pub e: usize, |
| pub f: usize |
| } |
| |
| impl Deref for PtraceEvent { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const PtraceEvent as *const u8, mem::size_of::<PtraceEvent>()) |
| } |
| } |
| } |
| |
| impl DerefMut for PtraceEvent { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut PtraceEvent as *mut u8, mem::size_of::<PtraceEvent>()) |
| } |
| } |
| } |
| |
| #[macro_export] |
| macro_rules! ptrace_event { |
| ($cause:expr $(, $a:expr $(, $b:expr $(, $c:expr)?)?)?) => { |
| $crate::data::PtraceEvent { |
| cause: $cause, |
| $(a: $a, |
| $(b: $b, |
| $(c: $c,)? |
| )? |
| )? |
| ..Default::default() |
| } |
| } |
| } |
| |
| bitflags::bitflags! { |
| #[derive(Default)] |
| pub struct GrantFlags: usize { |
| const GRANT_READ = 0x0000_0001; |
| const GRANT_WRITE = 0x0000_0002; |
| const GRANT_EXEC = 0x0000_0004; |
| |
| const GRANT_SHARED = 0x0000_0008; |
| const GRANT_LAZY = 0x0000_0010; |
| const GRANT_SCHEME = 0x0000_0020; |
| const GRANT_PHYS = 0x0000_0040; |
| const GRANT_PINNED = 0x0000_0080; |
| } |
| } |
| |
| #[derive(Clone, Copy, Debug, Default)] |
| #[repr(C)] |
| pub struct GrantDesc { |
| pub base: usize, |
| pub size: usize, |
| pub flags: GrantFlags, |
| pub offset: u64, |
| } |
| |
| impl Deref for GrantDesc { |
| type Target = [u8]; |
| fn deref(&self) -> &[u8] { |
| unsafe { |
| slice::from_raw_parts(self as *const GrantDesc as *const u8, mem::size_of::<GrantDesc>()) |
| } |
| } |
| } |
| |
| impl DerefMut for GrantDesc { |
| fn deref_mut(&mut self) -> &mut [u8] { |
| unsafe { |
| slice::from_raw_parts_mut(self as *mut GrantDesc as *mut u8, mem::size_of::<GrantDesc>()) |
| } |
| } |
| } |