fuchsia: clean up module

src/fuchsia/aarch64.rs

@@ -1,10 +1,12 @@
 use crate::off_t;
 use crate::prelude::*;
 
+#[deprecated(
+    since = "0.2.189",
+    note = "This type does not exist upstream and will eventually be removed."
+)]
 pub type __u64 = c_ulonglong;
 pub type wchar_t = u32;
-pub type nlink_t = c_ulong;
-pub type blksize_t = c_long;
 
 s! {
     pub struct stat {
@@ -15,10 +17,10 @@ s! {
         pub st_uid: crate::uid_t,
         pub st_gid: crate::gid_t,
         pub st_rdev: crate::dev_t,
-        __pad0: Padding<c_ulong>,
+        __pad: Padding<c_ulong>,
         pub st_size: off_t,
         pub st_blksize: crate::blksize_t,
-        __pad1: Padding<c_int>,
+        __pad2: Padding<c_int>,
         pub st_blocks: crate::blkcnt_t,
         pub st_atime: crate::time_t,
         pub st_atime_nsec: c_long,
@@ -29,6 +31,11 @@ s! {
         __unused: Padding<[c_uint; 2]>,
     }
 
+    #[deprecated(
+        since = "0.2.189",
+        note = "This type does not exist upstream and will eventually be \
+                removed."
+    )]
     pub struct stat64 {
         pub st_dev: crate::dev_t,
         pub st_ino: crate::ino_t,
@@ -51,6 +58,11 @@ s! {
         __unused: Padding<[c_uint; 2]>,
     }
 
+    #[deprecated(
+        since = "0.2.189",
+        note = "This type does not exist upstream and will eventually be \
+                removed."
+    )]
     pub struct ipc_perm {
         pub __ipc_perm_key: crate::key_t,
         pub uid: crate::uid_t,
@@ -62,6 +74,25 @@ s! {
         __unused1: Padding<c_ulong>,
         __unused2: Padding<c_ulong>,
     }
+
+    // FIXME(f128): __reserved is meant to be an array of `long double`s. That
+    // requires native support for `f128`. This is currently missing.
+    pub struct mcontext_t {
+        pub fault_address: c_ulong,
+        pub regs: [c_ulong; 31],
+        pub sp: c_ulong,
+        pub pc: c_ulong,
+        pub pstate: c_ulong,
+        __reserved: Padding<[i128; 256]>,
+    }
+
+    pub struct ucontext_t {
+        pub uc_flags: c_ulong,
+        pub uc_link: *mut crate::ucontext_t,
+        pub uc_stack: crate::stack_t,
+        pub uc_sigmask: crate::sigset_t,
+        pub uc_mcontext: crate::mcontext_t,
+    }
 }
 
 // From https://cs.opensource.google/fuchsia/fuchsia/+/main:zircon/third_party/ulib/musl/include/bits/signal.h;l=20-21;drc=0827b18ab9540c46f8037f407d17ea15a79e9ba7