unsafe no-mangle

rust-embedded · Dec 11, 2024 · cd6efea · cd6efea
1 parent b6ef0b0
commit cd6efea
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Showing 3 changed files with 12 additions and 10 deletions.
diff --git a/README.md b/README.md
@@ -17,9 +17,9 @@ This project is developed and maintained by the [Tools team][team].
 
 ## Minimum Supported Rust Version (MSRV)
 
-The **generated code** is guaranteed to compile on stable Rust 1.76.0 and up.
+The **generated code** is guaranteed to compile on stable Rust 1.82.0 and up.
 
-If you encounter compilation errors on any stable version newer than 1.76.0, please open an issue.
+If you encounter compilation errors on any stable version newer than 1.82.0, please open an issue.
 
 # Testing Locally
 

diff --git a/src/generate/device.rs b/src/generate/device.rs
@@ -273,7 +273,7 @@ pub fn render(d: &Device, config: &Config, device_x: &mut String) -> Result<Toke
                     #feature_attribute
                     pub #p_singleton: #p_ty,
                 });
-                exprs.extend(quote!(#feature_attribute #p_singleton: #p_ty::steal(),));
+                exprs.extend(quote!(#feature_attribute #p_singleton: unsafe { #p_ty::steal() },));
             }
             Peripheral::Array(p, dim_element) => {
                 for p_name in names(p, dim_element) {
@@ -288,7 +288,9 @@ pub fn render(d: &Device, config: &Config, device_x: &mut String) -> Result<Toke
                         #feature_attribute
                         pub #p_singleton: #p_ty,
                     });
-                    exprs.extend(quote!(#feature_attribute #p_singleton: #p_ty::steal(),));
+                    exprs.extend(
+                        quote!(#feature_attribute #p_singleton: unsafe { #p_ty::steal() },),
+                    );
                 }
             }
         }
@@ -298,7 +300,7 @@ pub fn render(d: &Device, config: &Config, device_x: &mut String) -> Result<Toke
         // NOTE `no_mangle` is used here to prevent linking different minor versions of the device
         // crate as that would let you `take` the device peripherals more than once (one per minor
         // version)
-        #[no_mangle]
+        #[unsafe(no_mangle)]
         static mut DEVICE_PERIPHERALS: bool = false;
 
         /// All the peripherals.

diff --git a/src/generate/interrupt.rs b/src/generate/interrupt.rs
@@ -144,7 +144,7 @@ pub fn render(
                 #[cfg(feature = "rt")]
                 #[doc(hidden)]
                 #link_section_attr
-                #[no_mangle]
+                #[unsafe(no_mangle)]
                 pub static __INTERRUPTS: [Vector; #n] = [
                     #elements
                 ];
@@ -179,7 +179,7 @@ pub fn render(
                 #[cfg(feature = "rt")]
                 #[doc(hidden)]
                 #link_section_attr
-                #[no_mangle]
+                #[unsafe(no_mangle)]
                 #[used]
                 pub static __INTERRUPTS:
                     [Vector; #n] = [
@@ -214,7 +214,7 @@ pub fn render(
                 #[cfg(feature = "rt")]
                 #[doc(hidden)]
                 #link_section_attr
-                #[no_mangle]
+                #[unsafe(no_mangle)]
                 pub static __EXTERNAL_INTERRUPTS: [Vector; #n] = [
                     #elements
                 ];
@@ -414,7 +414,7 @@ pub fn render(
                         }
 
                         #[allow(non_snake_case)]
-                        #[no_mangle]
+                        #[unsafe(no_mangle)]
                         pub extern #abi fn $NAME() {
                             // check that the handler exists
                             let _ = $crate::interrupt::Interrupt::$NAME;
@@ -433,7 +433,7 @@ pub fn render(
                     };
                     ($NAME:ident, $path:path) => {
                         #[allow(non_snake_case)]
-                        #[no_mangle]
+                        #[unsafe(no_mangle)]
                         pub extern #abi fn $NAME() {
                             // check that the handler exists
                             let _ = $crate::interrupt::Interrupt::$NAME;