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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/redox_syscall/src/data.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/redox_syscall/src/data.rs')
-rw-r--r--vendor/redox_syscall/src/data.rs297
1 files changed, 297 insertions, 0 deletions
diff --git a/vendor/redox_syscall/src/data.rs b/vendor/redox_syscall/src/data.rs
new file mode 100644
index 000000000..45d2dd862
--- /dev/null
+++ b/vendor/redox_syscall/src/data.rs
@@ -0,0 +1,297 @@
+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,
+}
+
+#[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()
+ }
+ }
+}