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-rw-r--r--rust/macros/lib.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/rust/macros/lib.rs b/rust/macros/lib.rs
index b4bc44c27bd4..c42105c2ff96 100644
--- a/rust/macros/lib.rs
+++ b/rust/macros/lib.rs
@@ -11,6 +11,7 @@ mod paste;
mod pin_data;
mod pinned_drop;
mod vtable;
+mod zeroable;
use proc_macro::TokenStream;
@@ -343,3 +344,22 @@ pub fn paste(input: TokenStream) -> TokenStream {
paste::expand(&mut tokens);
tokens.into_iter().collect()
}
+
+/// Derives the [`Zeroable`] trait for the given struct.
+///
+/// This can only be used for structs where every field implements the [`Zeroable`] trait.
+///
+/// # Examples
+///
+/// ```rust,ignore
+/// #[derive(Zeroable)]
+/// pub struct DriverData {
+/// id: i64,
+/// buf_ptr: *mut u8,
+/// len: usize,
+/// }
+/// ```
+#[proc_macro_derive(Zeroable)]
+pub fn derive_zeroable(input: TokenStream) -> TokenStream {
+ zeroable::derive(input)
+}