Remove write_data_funcaddr and write_data_dataaddr

They are unimplemented by all backends

cranelift/module/src/backend.rs

@@ -103,25 +103,6 @@ where
         contents: &ModuleContents<Self>,
     ) -> ModuleResult<Self::CompiledData>;
 
-    /// Write the address of `what` into the data for `data` at `offset`. `data` must refer to a
-    /// defined data object.
-    fn write_data_funcaddr(
-        &mut self,
-        data: &mut Self::CompiledData,
-        offset: usize,
-        what: ir::FuncRef,
-    );
-
-    /// Write the address of `what` plus `addend` into the data for `data` at `offset`. `data` must
-    /// refer to a defined data object.
-    fn write_data_dataaddr(
-        &mut self,
-        data: &mut Self::CompiledData,
-        offset: usize,
-        what: ir::GlobalValue,
-        addend: binemit::Addend,
-    );
-
     /// Perform all outstanding relocations on the given function. This requires all `Local`
     /// and `Export` entities referenced to be defined.
     ///

cranelift/module/src/module.rs

@@ -639,49 +639,6 @@ where
         Ok(())
     }
 
-    /// Write the address of `what` into the data for `data` at `offset`. `data` must refer to a
-    /// defined data object.
-    pub fn write_data_funcaddr(&mut self, data: DataId, offset: usize, what: ir::FuncRef) {
-        let info = &mut self.contents.data_objects[data];
-        debug_assert!(
-            info.decl.linkage.is_definable(),
-            "imported data cannot contain references"
-        );
-        self.backend.write_data_funcaddr(
-            &mut info
-                .compiled
-                .as_mut()
-                .expect("`data` must refer to a defined data object"),
-            offset,
-            what,
-        );
-    }
-
-    /// Write the address of `what` plus `addend` into the data for `data` at `offset`. `data` must
-    /// refer to a defined data object.
-    pub fn write_data_dataaddr(
-        &mut self,
-        data: DataId,
-        offset: usize,
-        what: ir::GlobalValue,
-        addend: binemit::Addend,
-    ) {
-        let info = &mut self.contents.data_objects[data];
-        debug_assert!(
-            info.decl.linkage.is_definable(),
-            "imported data cannot contain references"
-        );
-        self.backend.write_data_dataaddr(
-            &mut info
-                .compiled
-                .as_mut()
-                .expect("`data` must refer to a defined data object"),
-            offset,
-            what,
-            addend,
-        );
-    }
-
     /// Return the target isa
     pub fn isa(&self) -> &dyn isa::TargetIsa {
         self.backend.isa()

cranelift/object/src/backend.rs

@@ -6,7 +6,7 @@ use cranelift_codegen::binemit::{
 };
 use cranelift_codegen::entity::SecondaryMap;
 use cranelift_codegen::isa::TargetIsa;
-use cranelift_codegen::{self, binemit, ir};
+use cranelift_codegen::{self, ir};
 use cranelift_module::{
     Backend, DataContext, DataDescription, DataId, FuncId, FuncOrDataId, Init, Linkage,
     ModuleContents, ModuleError, ModuleResult,
@@ -400,25 +400,6 @@ impl Backend for ObjectBackend {
         Ok(ObjectCompiledData)
     }
 
-    fn write_data_funcaddr(
-        &mut self,
-        _data: &mut ObjectCompiledData,
-        _offset: usize,
-        _what: ir::FuncRef,
-    ) {
-        unimplemented!()
-    }
-
-    fn write_data_dataaddr(
-        &mut self,
-        _data: &mut ObjectCompiledData,
-        _offset: usize,
-        _what: ir::GlobalValue,
-        _usize: binemit::Addend,
-    ) {
-        unimplemented!()
-    }
-
     fn finalize_function(
         &mut self,
         _id: FuncId,

cranelift/simplejit/src/backend.rs

@@ -460,25 +460,6 @@ impl<'simple_jit_backend> Backend for SimpleJITBackend {
         })
     }
 
-    fn write_data_funcaddr(
-        &mut self,
-        _data: &mut Self::CompiledData,
-        _offset: usize,
-        _what: ir::FuncRef,
-    ) {
-        unimplemented!();
-    }
-
-    fn write_data_dataaddr(
-        &mut self,
-        _data: &mut Self::CompiledData,
-        _offset: usize,
-        _what: ir::GlobalValue,
-        _usize: Addend,
-    ) {
-        unimplemented!();
-    }
-
     fn finalize_function(
         &mut self,
         _id: FuncId,