Provide default MetadataLoader

2021-05-29 15:00:18 +02:00
parent 45c9775361
commit f04a2d308e
3 changed files with 9 additions and 10 deletions
--- a/compiler/rustc_codegen_ssa/src/traits/backend.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/backend.rs
@@ -63,7 +63,14 @@ pub trait CodegenBackend {
        None
    }

-    fn metadata_loader(&self) -> Box<MetadataLoaderDyn>;
+    /// The metadata loader used to load rlib and dylib metadata.
+    ///
+    /// Alternative codegen backends may want to use different rlib or dylib formats than the
+    /// default native static archives and dynamic libraries.
+    fn metadata_loader(&self) -> Box<MetadataLoaderDyn> {
+        Box::new(crate::back::metadata::DefaultMetadataLoader)
+    }
+
    fn provide(&self, _providers: &mut Providers) {}
    fn provide_extern(&self, _providers: &mut Providers) {}
    fn codegen_crate<'tcx>(