Merge pull request hermit-os#45 from hermit-os/unsafe-naked

mkroening · web-flow · commit d8572c5d78af · 2025-04-22T08:12:36.000Z
use #[naked] as an unsafe attribute
diff --git a/rftrace/src/backend.rs b/rftrace/src/backend.rs
@@ -72,7 +72,7 @@ impl RetStack {
     }
 }
 
-#[naked]
+#[unsafe(naked)]
 #[no_mangle]
 pub unsafe extern "C" fn mcount() {
     // We need to be careful with hooked naked functions!
@@ -362,7 +362,7 @@ macro_rules! epilogue {
     };
 }
 
-#[naked]
+#[unsafe(naked)]
 pub unsafe extern "C" fn mcount_return_trampoline() {
     // does 'nothing', except calling mcount_return. Takes care to not clobber any return registers.
     // based on https://github.com/namhyung/uftrace/blob/master/arch/x86_64/mcount.S

Original file line number	Diff line number	Diff line change
`@@ -72,7 +72,7 @@ impl RetStack {`
`72`	`72`	`}`
`73`	`73`	`}`
`74`	`74`
`75`		`-#[naked]`
	`75`	`+#[unsafe(naked)]`
`76`	`76`	`#[no_mangle]`
`77`	`77`	`pub unsafe extern "C" fn mcount() {`
`78`	`78`	`// We need to be careful with hooked naked functions!`
`@@ -362,7 +362,7 @@ macro_rules! epilogue {`
`362`	`362`	`};`
`363`	`363`	`}`
`364`	`364`
`365`		`-#[naked]`
	`365`	`+#[unsafe(naked)]`
`366`	`366`	`pub unsafe extern "C" fn mcount_return_trampoline() {`
`367`	`367`	`// does 'nothing', except calling mcount_return. Takes care to not clobber any return registers.`
`368`	`368`	`// based on https://github.com/namhyung/uftrace/blob/master/arch/x86_64/mcount.S`