zephyr: Create export type alias

Although the user is not intended to actually create these static thread
stack objects, make an alias for the type in `_export` so that the macro
is a little easier to read.  This will become more important as this
type picks up some constructors.

Signed-off-by: David Brown <[email protected]>

Author: d3zd3z

zephyr/src/lib.rs

@@ -75,6 +75,11 @@ pub mod raw {
 #[doc(hidden)]
 pub mod _export {
     pub use core::format_args;
+
+    use crate::{object::StaticKernelObject, sys::thread::StaticThreadStack};
+
+    /// Type alias for the thread stack kernel object.
+    pub type KStaticThreadStack = StaticKernelObject<StaticThreadStack>;
 }
 
 // Mark this as `pub` so the docs can be read.

zephyr/src/object.rs

@@ -289,7 +289,7 @@ macro_rules! _kobj_stack {
                 unsafe { ::core::mem::zeroed() };
 
             // The proxy object used to ensure initialization is placed in initialized memory.
-            $v static $name: $crate::object::StaticKernelObject<$crate::sys::thread::StaticThreadStack> = $crate::object::StaticKernelObject {
+            $v static $name: $crate::_export::KStaticThreadStack = $crate::object::StaticKernelObject {
                 value: ::core::cell::UnsafeCell::new($crate::sys::thread::StaticThreadStack {
                     base: [< $name _REAL >].data.get() as *mut $crate::raw::z_thread_stack_element,
                     size: $size,