Auto merge of #2221 - InfRandomness:freebsd-target-support, r=RalfJung

[rust.git] / src / shims / unix / linux / foreign_items.rs

diff --git a/src/shims/unix/linux/foreign_items.rs b/src/shims/unix/linux/foreign_items.rs
index 7a9c687fcd764856edee30839bacbf9e8f8f67a6..48abe9bf08c33d1658cfa05d706521ace2bca5d7 100644 (file)
--- a/src/shims/unix/linux/foreign_items.rs
+++ b/src/shims/unix/linux/foreign_items.rs
@@ -21,7 +21,7 @@ fn emulate_foreign_item_by_name(
     ) -> InterpResult<'tcx, EmulateByNameResult<'mir, 'tcx>> {
         let this = self.eval_context_mut();
 
-        match &*link_name.as_str() {
+        match link_name.as_str() {
             // errno
             "__errno_location" => {
                 let [] = this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?;
@@ -80,28 +80,6 @@ fn emulate_foreign_item_by_name(
                 this.write_scalar(Scalar::from_i32(result), dest)?;
             }
 
-            // Querying system information
-            "pthread_attr_getstack" => {
-                // We don't support "pthread_attr_setstack", so we just pretend all stacks have the same values here.
-                let [attr_place, addr_place, size_place] =
-                    this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?;
-                this.deref_operand(attr_place)?;
-                let addr_place = this.deref_operand(addr_place)?;
-                let size_place = this.deref_operand(size_place)?;
-
-                this.write_scalar(
-                    Scalar::from_uint(STACK_ADDR, this.pointer_size()),
-                    &addr_place.into(),
-                )?;
-                this.write_scalar(
-                    Scalar::from_uint(STACK_SIZE, this.pointer_size()),
-                    &size_place.into(),
-                )?;
-
-                // Return success (`0`).
-                this.write_null(dest)?;
-            }
-
             // Threading
             "prctl" => {
                 // prctl is variadic. (It is not documented like that in the manpage, but defined like that in the libc crate.)