Wrap getting a &mut from a static mut in an unsafe block

jannic · jannic · commit 616391e7fa87 · 2024-09-17T07:55:38.000Z
Fixes #537
diff --git a/cortex-m-rt/macros/src/lib.rs b/cortex-m-rt/macros/src/lib.rs
@@ -85,7 +85,7 @@ pub fn entry(args: TokenStream, input: TokenStream) -> TokenStream {
                 {
                     #(#attrs)*
                     static mut #ident: #ty = #expr;
-                    &mut #ident
+                    unsafe { &mut #ident }
                 }
             }
         })
@@ -486,7 +486,7 @@ pub fn exception(args: TokenStream, input: TokenStream) -> TokenStream {
                         {
                             #(#attrs)*
                             static mut #ident: #ty = #expr;
-                            &mut #ident
+                            unsafe { &mut #ident }
                         }
                     }
                 })
@@ -596,7 +596,7 @@ pub fn interrupt(args: TokenStream, input: TokenStream) -> TokenStream {
                 {
                     #(#attrs)*
                     static mut #ident: #ty = #expr;
-                    &mut #ident
+                    unsafe { &mut #ident }
                 }
             }
         })

Original file line number	Diff line number	Diff line change
`@@ -85,7 +85,7 @@ pub fn entry(args: TokenStream, input: TokenStream) -> TokenStream {`
`85`	`85`	`{`
`86`	`86`	`#(#attrs)*`
`87`	`87`	`static mut #ident: #ty = #expr;`
`88`		`- &mut #ident`
	`88`	`+ unsafe { &mut #ident }`
`89`	`89`	`}`
`90`	`90`	`}`
`91`	`91`	`})`
`@@ -486,7 +486,7 @@ pub fn exception(args: TokenStream, input: TokenStream) -> TokenStream {`
`486`	`486`	`{`
`487`	`487`	`#(#attrs)*`
`488`	`488`	`static mut #ident: #ty = #expr;`
`489`		`- &mut #ident`
	`489`	`+ unsafe { &mut #ident }`
`490`	`490`	`}`
`491`	`491`	`}`
`492`	`492`	`})`
`@@ -596,7 +596,7 @@ pub fn interrupt(args: TokenStream, input: TokenStream) -> TokenStream {`
`596`	`596`	`{`
`597`	`597`	`#(#attrs)*`
`598`	`598`	`static mut #ident: #ty = #expr;`
`599`		`- &mut #ident`
	`599`	`+ unsafe { &mut #ident }`
`600`	`600`	`}`
`601`	`601`	`}`
`602`	`602`	`})`