From 909af97ad0cd2a216d6cfd3cb0e8f9e5bcb466a7 Mon Sep 17 00:00:00 2001
From: Nicolas Kruse <nicolas@nonan.net>
Date: Tue, 14 Oct 2025 23:15:26 +0200
Subject: [PATCH] added alloca stack allocation in entry_function_shell

---
 tools/generate_stencils.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/generate_stencils.py b/tools/generate_stencils.py
index 0d4a6bf..458de34 100644
--- a/tools/generate_stencils.py
+++ b/tools/generate_stencils.py
@@ -10,6 +10,7 @@ stencil_func_prefix = '__attribute__((naked)) '  # Remove callee prolog
 def get_aux_funcs() -> str:
     return f"""
     {entry_func_prefix}int entry_function_shell(){{
+        void *p = alloca(64);
         result_int(0);
         return 1;
     }}
@@ -123,7 +124,7 @@ if __name__ == "__main__":
     // Auto-generated stencils for copapy
     // Do not edit manually
 
-    #define bool int
+    include <alloca.h>
 
     volatile int dummy_int = 1337;
     volatile float dummy_float = 1337;