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fix(UserString): register should be marked inout

We actually modified the given register. So we need to mark it as
clobbered to inform the compiler of that.
greatbridf 10 months ago
parent
commit
d873af30d8
1 changed files with 1 additions and 1 deletions
  1. 1 1
      src/kernel/user/dataflow.rs

+ 1 - 1
src/kernel/user/dataflow.rs

@@ -275,7 +275,7 @@ impl<'lt> UserString<'lt> {
                 ".quad 3b",  // fix jump address
                 ".quad 0x2", // type: string
                 ".popsection",
-                in("rdx") ptr.get_const::<u8>(),
+                inout("rdx") ptr.get_const::<u8>() => _,
                 inout("rcx") MAX_LEN => result,
             )
         };