syscall/
data.rs

1use core::{
2    mem,
3    ops::{Deref, DerefMut},
4    slice,
5};
6
7use crate::flag::{EventFlags, MapFlags, PtraceFlags, StdFsCallKind};
8
9#[derive(Copy, Clone, Debug, Default)]
10#[repr(C)]
11pub struct Event {
12    pub id: usize,
13    pub flags: EventFlags,
14    pub data: usize,
15}
16
17impl Deref for Event {
18    type Target = [u8];
19    fn deref(&self) -> &[u8] {
20        unsafe { slice::from_raw_parts(self as *const Event as *const u8, mem::size_of::<Event>()) }
21    }
22}
23
24impl DerefMut for Event {
25    fn deref_mut(&mut self) -> &mut [u8] {
26        unsafe { slice::from_raw_parts_mut(self as *mut Event as *mut u8, mem::size_of::<Event>()) }
27    }
28}
29
30#[derive(Copy, Clone, Debug, Default)]
31#[repr(C)]
32pub struct ITimerSpec {
33    pub it_interval: TimeSpec,
34    pub it_value: TimeSpec,
35}
36
37impl Deref for ITimerSpec {
38    type Target = [u8];
39    fn deref(&self) -> &[u8] {
40        unsafe {
41            slice::from_raw_parts(
42                self as *const ITimerSpec as *const u8,
43                mem::size_of::<ITimerSpec>(),
44            )
45        }
46    }
47}
48
49impl DerefMut for ITimerSpec {
50    fn deref_mut(&mut self) -> &mut [u8] {
51        unsafe {
52            slice::from_raw_parts_mut(
53                self as *mut ITimerSpec as *mut u8,
54                mem::size_of::<ITimerSpec>(),
55            )
56        }
57    }
58}
59
60#[derive(Copy, Clone, Debug, Default)]
61#[repr(C)]
62pub struct OldMap {
63    pub offset: usize,
64    pub size: usize,
65    pub flags: MapFlags,
66}
67
68impl Deref for OldMap {
69    type Target = [u8];
70    fn deref(&self) -> &[u8] {
71        unsafe {
72            slice::from_raw_parts(self as *const OldMap as *const u8, mem::size_of::<OldMap>())
73        }
74    }
75}
76
77impl DerefMut for OldMap {
78    fn deref_mut(&mut self) -> &mut [u8] {
79        unsafe {
80            slice::from_raw_parts_mut(self as *mut OldMap as *mut u8, mem::size_of::<OldMap>())
81        }
82    }
83}
84#[derive(Copy, Clone, Debug, Default)]
85#[repr(C)]
86pub struct Map {
87    /// The offset inside the file that is being mapped.
88    pub offset: usize,
89
90    /// The size of the memory map.
91    pub size: usize,
92
93    /// Contains both prot and map flags.
94    pub flags: MapFlags,
95
96    /// Functions as a hint to where in the virtual address space of the running process, to place
97    /// the memory map. If [`MapFlags::MAP_FIXED`] is set, then this address must be the address to
98    /// map to.
99    pub address: usize,
100}
101
102impl Deref for Map {
103    type Target = [u8];
104    fn deref(&self) -> &[u8] {
105        unsafe { slice::from_raw_parts(self as *const Map as *const u8, mem::size_of::<Map>()) }
106    }
107}
108
109impl DerefMut for Map {
110    fn deref_mut(&mut self) -> &mut [u8] {
111        unsafe { slice::from_raw_parts_mut(self as *mut Map as *mut u8, mem::size_of::<Map>()) }
112    }
113}
114
115#[derive(Copy, Clone, Debug, Default, PartialEq)]
116#[repr(C)]
117pub struct Stat {
118    pub st_dev: u64,
119    pub st_ino: u64,
120    pub st_mode: u16,
121    pub st_nlink: u32,
122    pub st_uid: u32,
123    pub st_gid: u32,
124    pub st_size: u64,
125    pub st_blksize: u32,
126    pub st_blocks: u64,
127    pub st_mtime: u64,
128    pub st_mtime_nsec: u32,
129    pub st_atime: u64,
130    pub st_atime_nsec: u32,
131    pub st_ctime: u64,
132    pub st_ctime_nsec: u32,
133}
134
135impl Deref for Stat {
136    type Target = [u8];
137    fn deref(&self) -> &[u8] {
138        unsafe { slice::from_raw_parts(self as *const Stat as *const u8, mem::size_of::<Stat>()) }
139    }
140}
141
142impl DerefMut for Stat {
143    fn deref_mut(&mut self) -> &mut [u8] {
144        unsafe { slice::from_raw_parts_mut(self as *mut Stat as *mut u8, mem::size_of::<Stat>()) }
145    }
146}
147
148#[derive(Copy, Clone, Debug, Default, PartialEq)]
149#[repr(C)]
150pub struct StatVfs {
151    pub f_bsize: u32,
152    pub f_blocks: u64,
153    pub f_bfree: u64,
154    pub f_bavail: u64,
155}
156
157impl Deref for StatVfs {
158    type Target = [u8];
159    fn deref(&self) -> &[u8] {
160        unsafe {
161            slice::from_raw_parts(
162                self as *const StatVfs as *const u8,
163                mem::size_of::<StatVfs>(),
164            )
165        }
166    }
167}
168
169impl DerefMut for StatVfs {
170    fn deref_mut(&mut self) -> &mut [u8] {
171        unsafe {
172            slice::from_raw_parts_mut(self as *mut StatVfs as *mut u8, mem::size_of::<StatVfs>())
173        }
174    }
175}
176
177#[derive(Copy, Clone, Debug, Default, PartialEq)]
178#[repr(C, packed)]
179pub struct StdFsCallMeta {
180    pub kind: u8, // enum StdFsCallKind
181    _rsvd: [u8; 7],
182    pub arg1: u64,
183    pub arg2: u64,
184}
185
186impl StdFsCallMeta {
187    pub fn new(kind: StdFsCallKind, arg1: u64, arg2: u64) -> Self {
188        Self {
189            kind: kind as u8,
190            _rsvd: [0; 7],
191            arg1,
192            arg2,
193        }
194    }
195}
196
197impl Deref for StdFsCallMeta {
198    type Target = [u64];
199    fn deref(&self) -> &[u64] {
200        unsafe {
201            slice::from_raw_parts(
202                self as *const StdFsCallMeta as *const u64,
203                mem::size_of::<StdFsCallMeta>() / mem::size_of::<u64>(),
204            )
205        }
206    }
207}
208
209impl DerefMut for StdFsCallMeta {
210    fn deref_mut(&mut self) -> &mut [u64] {
211        unsafe {
212            slice::from_raw_parts_mut(
213                self as *mut StdFsCallMeta as *mut u64,
214                mem::size_of::<StdFsCallMeta>() / mem::size_of::<u64>(),
215            )
216        }
217    }
218}
219
220#[derive(Copy, Clone, Debug, Default, PartialEq)]
221#[repr(C)]
222pub struct TimeSpec {
223    pub tv_sec: i64,
224    pub tv_nsec: i32,
225}
226
227impl Deref for TimeSpec {
228    type Target = [u8];
229    fn deref(&self) -> &[u8] {
230        unsafe {
231            slice::from_raw_parts(
232                self as *const TimeSpec as *const u8,
233                mem::size_of::<TimeSpec>(),
234            )
235        }
236    }
237}
238
239impl DerefMut for TimeSpec {
240    fn deref_mut(&mut self) -> &mut [u8] {
241        unsafe {
242            slice::from_raw_parts_mut(self as *mut TimeSpec as *mut u8, mem::size_of::<TimeSpec>())
243        }
244    }
245}
246
247#[derive(Clone, Copy, Debug, Default)]
248#[repr(C)]
249pub struct PtraceEvent {
250    pub cause: PtraceFlags,
251    pub a: usize,
252    pub b: usize,
253    pub c: usize,
254    pub d: usize,
255    pub e: usize,
256    pub f: usize,
257}
258
259impl Deref for PtraceEvent {
260    type Target = [u8];
261    fn deref(&self) -> &[u8] {
262        unsafe {
263            slice::from_raw_parts(
264                self as *const PtraceEvent as *const u8,
265                mem::size_of::<PtraceEvent>(),
266            )
267        }
268    }
269}
270
271impl DerefMut for PtraceEvent {
272    fn deref_mut(&mut self) -> &mut [u8] {
273        unsafe {
274            slice::from_raw_parts_mut(
275                self as *mut PtraceEvent as *mut u8,
276                mem::size_of::<PtraceEvent>(),
277            )
278        }
279    }
280}
281
282#[macro_export]
283macro_rules! ptrace_event {
284    ($cause:expr $(, $a:expr $(, $b:expr $(, $c:expr)?)?)?) => {
285        $crate::data::PtraceEvent {
286            cause: $cause,
287            $(a: $a,
288              $(b: $b,
289                $(c: $c,)?
290              )?
291            )?
292            ..Default::default()
293        }
294    }
295}
296
297bitflags::bitflags! {
298    #[derive(PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Clone, Copy, Default)]
299    pub struct GrantFlags: usize {
300        const GRANT_READ = 0x0000_0001;
301        const GRANT_WRITE = 0x0000_0002;
302        const GRANT_EXEC = 0x0000_0004;
303
304        const GRANT_SHARED = 0x0000_0008;
305        const GRANT_LAZY = 0x0000_0010;
306        const GRANT_SCHEME = 0x0000_0020;
307        const GRANT_PHYS = 0x0000_0040;
308        const GRANT_PINNED = 0x0000_0080;
309        const GRANT_PHYS_CONTIGUOUS = 0x0000_0100;
310    }
311}
312
313impl GrantFlags {
314    #[deprecated = "use the safe `from_bits_retain` method instead"]
315    pub unsafe fn from_bits_unchecked(bits: usize) -> Self {
316        Self::from_bits_retain(bits)
317    }
318}
319
320#[derive(Clone, Copy, Debug, Default)]
321#[repr(C)]
322pub struct GrantDesc {
323    pub base: usize,
324    pub size: usize,
325    pub flags: GrantFlags,
326    pub offset: u64,
327}
328
329impl Deref for GrantDesc {
330    type Target = [u8];
331    fn deref(&self) -> &[u8] {
332        unsafe {
333            slice::from_raw_parts(
334                self as *const GrantDesc as *const u8,
335                mem::size_of::<GrantDesc>(),
336            )
337        }
338    }
339}
340
341impl DerefMut for GrantDesc {
342    fn deref_mut(&mut self) -> &mut [u8] {
343        unsafe {
344            slice::from_raw_parts_mut(
345                self as *mut GrantDesc as *mut u8,
346                mem::size_of::<GrantDesc>(),
347            )
348        }
349    }
350}
351
352#[derive(Clone, Copy, Debug, Default)]
353#[repr(C)]
354pub struct SetSighandlerData {
355    pub user_handler: usize,
356    pub excp_handler: usize,
357    pub thread_control_addr: usize,
358    pub proc_control_addr: usize,
359}
360
361impl Deref for SetSighandlerData {
362    type Target = [u8];
363    fn deref(&self) -> &[u8] {
364        unsafe { slice::from_raw_parts(self as *const Self as *const u8, mem::size_of::<Self>()) }
365    }
366}
367
368impl DerefMut for SetSighandlerData {
369    fn deref_mut(&mut self) -> &mut [u8] {
370        unsafe { slice::from_raw_parts_mut(self as *mut Self as *mut u8, mem::size_of::<Self>()) }
371    }
372}
373pub use crate::sigabi::*;
374
375/// UNSTABLE
376#[derive(Copy, Clone, Debug, Default, PartialEq)]
377#[repr(C)]
378pub struct ProcSchemeAttrs {
379    pub pid: u32,
380    pub euid: u32,
381    pub egid: u32,
382    pub ens: u32,
383    pub debug_name: [u8; 32],
384}
385impl Deref for ProcSchemeAttrs {
386    type Target = [u8];
387    fn deref(&self) -> &[u8] {
388        unsafe { slice::from_raw_parts(self as *const Self as *const u8, mem::size_of::<Self>()) }
389    }
390}
391impl DerefMut for ProcSchemeAttrs {
392    fn deref_mut(&mut self) -> &mut [u8] {
393        unsafe {
394            slice::from_raw_parts_mut(
395                self as *mut ProcSchemeAttrs as *mut u8,
396                mem::size_of::<ProcSchemeAttrs>(),
397            )
398        }
399    }
400}
401#[derive(Copy, Clone, Debug, Default)]
402#[repr(C)]
403pub struct CtxtStsBuf {
404    pub status: usize,
405    pub excp: crate::Exception,
406}
407impl Deref for CtxtStsBuf {
408    type Target = [u8];
409    fn deref(&self) -> &[u8] {
410        unsafe { slice::from_raw_parts(self as *const Self as *const u8, mem::size_of::<Self>()) }
411    }
412}
413impl DerefMut for CtxtStsBuf {
414    fn deref_mut(&mut self) -> &mut [u8] {
415        unsafe {
416            slice::from_raw_parts_mut(
417                self as *mut CtxtStsBuf as *mut u8,
418                mem::size_of::<CtxtStsBuf>(),
419            )
420        }
421    }
422}
423
424#[derive(Copy, Clone, Debug, Default)]
425#[repr(C)]
426pub struct NewFdParams {
427    pub offset: u64,
428    pub number: usize,
429    pub flags: usize,
430    pub internal_flags: u8,
431}
432
433#[repr(u8)]
434#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
435pub enum GlobalSchemes {
436    Debug = 1,
437    Event = 2,
438    Memory = 3,
439    Pipe = 4,
440    Serio = 5,
441    Irq = 6,
442    Time = 7,
443    Sys = 8,
444    Proc = 9,
445    Acpi = 10,
446    Dtb = 11,
447}
448impl GlobalSchemes {
449    pub fn try_from_raw(raw: u8) -> Option<Self> {
450        match raw {
451            1 => Some(Self::Debug),
452            2 => Some(Self::Event),
453            3 => Some(Self::Memory),
454            4 => Some(Self::Pipe),
455            5 => Some(Self::Serio),
456            6 => Some(Self::Irq),
457            7 => Some(Self::Time),
458            8 => Some(Self::Sys),
459            9 => Some(Self::Proc),
460            10 => Some(Self::Acpi),
461            11 => Some(Self::Dtb),
462            _ => None,
463        }
464    }
465    pub fn as_str(&self) -> &'static str {
466        match self {
467            Self::Debug => "debug",
468            Self::Event => "event",
469            Self::Memory => "memory",
470            Self::Pipe => "pipe",
471            Self::Serio => "serio",
472            Self::Irq => "irq",
473            Self::Time => "time",
474            Self::Sys => "sys",
475            Self::Proc => "kernel.proc",
476            Self::Acpi => "kernel.acpi",
477            Self::Dtb => "kernel.dtb",
478        }
479    }
480}
481
482#[repr(C)]
483#[derive(Debug, Clone, Copy, Default)]
484pub struct KernelSchemeInfo {
485    pub scheme_id: u8,
486    pub fd: usize,
487}
syscall/data.rs

syscall/
data.rs
