compiler/rustc_codegen_ssa/src/traits/misc.rs

   1 use super::BackendTypes;
   2 use rustc_data_structures::fx::FxHashMap;
   3 use rustc_middle::mir::mono::CodegenUnit;
   4 use rustc_middle::ty::{self, Instance, Ty};
   5 use rustc_session::Session;
   6 use std::cell::RefCell;
   7
   8 pub trait MiscMethods<'tcx>: BackendTypes {
   9     fn vtables(
  10         &self,
  11     ) -> &RefCell<FxHashMap<(Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>), Self::Value>>;
  12     fn check_overflow(&self) -> bool;
  13     fn get_fn(&self, instance: Instance<'tcx>) -> Self::Function;
  14     fn get_fn_addr(&self, instance: Instance<'tcx>) -> Self::Value;
  15     fn eh_personality(&self) -> Self::Value;
  16     fn sess(&self) -> &Session;
  17     fn codegen_unit(&self) -> &'tcx CodegenUnit<'tcx>;
  18     fn set_frame_pointer_type(&self, llfn: Self::Function);
  19     fn apply_target_cpu_attr(&self, llfn: Self::Function);
  20     /// Declares the extern "C" main function for the entry point. Returns None if the symbol already exists.
  21     fn declare_c_main(&self, fn_type: Self::Type) -> Option<Self::Function>;
  22 }