Add fine-grained LLVM CFI support to the Rust compiler

[rust.git] / compiler / rustc_codegen_gcc / src / type_.rs

diff --git a/compiler/rustc_codegen_gcc/src/type_.rs b/compiler/rustc_codegen_gcc/src/type_.rs
index 002b95db36deef85e6b2a145bfe1e1415d8c1eb5..68bdb8d4e55f4b1183bb479e406b48f7a065e656 100644 (file)
--- a/compiler/rustc_codegen_gcc/src/type_.rs
+++ b/compiler/rustc_codegen_gcc/src/type_.rs
@@ -1,7 +1,7 @@
 use std::convert::TryInto;
 
 use gccjit::{RValue, Struct, Type};
-use rustc_codegen_ssa::traits::{BaseTypeMethods, DerivedTypeMethods};
+use rustc_codegen_ssa::traits::{BaseTypeMethods, DerivedTypeMethods, TypeMembershipMethods};
 use rustc_codegen_ssa::common::TypeKind;
 use rustc_middle::{bug, ty};
 use rustc_middle::ty::layout::TyAndLayout;
@@ -290,3 +290,14 @@ pub fn struct_fields<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, layout: TyAndLayout
 
     (result, packed)
 }
+
+impl<'gcc, 'tcx> TypeMembershipMethods<'tcx> for CodegenCx<'gcc, 'tcx> {
+    fn set_type_metadata(&self, _function: RValue<'gcc>, _typeid: String) {
+        // Unsupported.
+    }
+
+    fn typeid_metadata(&self, _typeid: String) -> RValue<'gcc> {
+        // Unsupported.
+        self.context.new_rvalue_from_int(self.int_type, 0)
+    }
+}