Implement stack protector

Author: antoyo

src/gcc_util.rs

@@ -7,7 +7,7 @@ use gccjit::Version;
 use rustc_codegen_ssa::target_features;
 use rustc_data_structures::smallvec::{SmallVec, smallvec};
 use rustc_session::Session;
-use rustc_target::spec::{Arch, RelocModel};
+use rustc_target::spec::{Arch, RelocModel, StackProtector};
 
 fn gcc_features_by_flags(sess: &Session, features: &mut Vec<String>) {
     target_features::retpoline_features_by_flags(sess, features);
@@ -204,6 +204,13 @@ pub fn new_context<'gcc>(sess: &Session) -> Context<'gcc> {
         });
     }
 
+    match sess.stack_protector() {
+        StackProtector::All => context.add_command_line_option("-fstack-protector-all"),
+        StackProtector::Strong => context.add_command_line_option("-fstack-protector-strong"),
+        StackProtector::Basic => context.add_command_line_option("-fstack-protector"),
+        StackProtector::None => (),
+    }
+
     add_pic_option(&context, sess.relocation_model());
 
     let target_cpu = target_cpu(sess);

tests/failing-ui-tests.txt

@@ -106,6 +106,5 @@ tests/ui/eii/static/default_cross_crate_explicit.rs
 tests/ui/explicit-tail-calls/tailcc-no-signature-restriction.rs
 tests/ui/abi/rust-tail-cc.rs
 tests/ui/abi/rust-preserve-none-cc.rs
-tests/ui/abi/stack-protector.rs
 tests/ui/extern/extern-types-field-offset.rs
 tests/ui/abi/stack-probes-lto.rs