use rustc_hir::attrs::Linkage; use rustc_hir::def_id::DefId; use rustc_middle::mir::mono::Visibility; use rustc_middle::ty::Instance; pub trait PreDefineCodegenMethods<'tcx> { fn predefine_static( &mut self, def_id: DefId, linkage: Linkage, visibility: Visibility, symbol_name: &str, ); fn predefine_fn( &mut self, instance: Instance<'tcx>, linkage: Linkage, visibility: Visibility, symbol_name: &str, ); }