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Subject[PATCH] rust: add this_module macro
Date
Adds a Rust equivalent to the handy THIS_MODULE macro from C.

Signed-off-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
---
rust/kernel/lib.rs | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs
index e0b0e953907d..afb6b0390426 100644
--- a/rust/kernel/lib.rs
+++ b/rust/kernel/lib.rs
@@ -80,6 +80,18 @@ impl ThisModule {
}
}

+/// Returns the current module.
+#[macro_export]
+macro_rules! this_module {
+ () => {
+ if cfg!(MODULE) {
+ Some(unsafe { $crate::ThisModule::from_ptr(&mut $crate::bindings::__this_module) })
+ } else {
+ None
+ }
+ };
+}
+
#[cfg(not(any(testlib, test)))]
#[panic_handler]
fn panic(info: &core::panic::PanicInfo<'_>) -> ! {
--
2.39.1
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