From f2b30c8b07959bf92b161157ba200b7ec301271f Mon Sep 17 00:00:00 2001
From: Liran Ringel <liranringel@gmail.com>
Date: Sat, 7 Oct 2017 12:12:19 +0200
Subject: Tell LLVM to not mangle names if they're already mangled through
 link_name attribute

---
 src/codegen/helpers.rs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/codegen/helpers.rs')

diff --git a/src/codegen/helpers.rs b/src/codegen/helpers.rs
index 5136d787..9a8b0576 100644
--- a/src/codegen/helpers.rs
+++ b/src/codegen/helpers.rs
@@ -45,6 +45,9 @@ pub mod attributes {
     }
 
     pub fn link_name(name: &str) -> quote::Tokens {
+        // LLVM mangles the name by default but it's already mangled.
+        // Prefixing the name with \u{1} should tell LLVM to not mangle it.
+        let name = format!("\u{1}{}", name);
         quote! {
             #[link_name = #name]
         }
-- 
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