From 8cc075c6a736fdde56ca2da03a868821695765f4 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Sun, 13 Sep 2026 23:33:14 +0200
Subject: Add threadvar section for thread-local variables

---
 gcc/gcc/elna-builtins.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'gcc')

diff --git a/gcc/gcc/elna-builtins.cc b/gcc/gcc/elna-builtins.cc
index a8e54c8..365ddb9 100644
--- a/gcc/gcc/elna-builtins.cc
+++ b/gcc/gcc/elna-builtins.cc
@@ -20,6 +20,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "elna/gcc/elna1.h"
 #include "stor-layout.h"
 #include "stringpool.h"
+#include "varasm.h"
 
 #include "elna/boot/evaluator.h"
 #include "elna/gcc/elna-tree.h"
@@ -413,6 +414,13 @@ namespace elna::gcc
 
                 DECL_EXTERNAL(declaration_tree) =
                     static_cast<unsigned>(imported || variable_info->is_extern);
+
+                // The model depends on the linkage, so it is chosen after
+                // DECL_EXTERNAL is final.
+                if (variable_info->is_thread_local)
+                {
+                    set_decl_tls_model(declaration_tree, decl_default_tls_model(declaration_tree));
+                }
             }
             else if (auto procedure_info = symbol_info->is_procedure())
             {
-- 
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