Add ShadowCallStack Support

Adds support for the LLVM ShadowCallStack sanitizer.
2022-06-17 14:14:58 -04:00
parent a289cfcfb3
commit adf61e3b2b
14 changed files with 57 additions and 4 deletions
--- a/compiler/rustc_codegen_llvm/src/attributes.rs
+++ b/compiler/rustc_codegen_llvm/src/attributes.rs
@@ -69,6 +69,9 @@ pub fn sanitize_attrs<'ll>(
    if enabled.contains(SanitizerSet::HWADDRESS) {
        attrs.push(llvm::AttributeKind::SanitizeHWAddress.create_attr(cx.llcx));
    }
+    if enabled.contains(SanitizerSet::SHADOWCALLSTACK) {
+        attrs.push(llvm::AttributeKind::ShadowCallStack.create_attr(cx.llcx));
+    }
    if enabled.contains(SanitizerSet::MEMTAG) {
        // Check to make sure the mte target feature is actually enabled.
        let features = cx.tcx.global_backend_features(());