fix(arm): add .note.GNU-stack to ARM assembly to prevent writable-stack warnings

Add .section .note.GNU-stack in ARM assembly epilogue on Linux/ELF targets to
avoid warnings about a writable/executable stack and ensure shared objects do
not require an executable stack.

Signed-off-by: minicx <minicx@disroot.org>

Author: loss-and-quick

common_arm.h

@@ -114,7 +114,15 @@ static inline int blas_quickdivide(blasint x, blasint y){
 	OPENBLAS_ARM_TYPE_FUNCTION \
 REALNAME:
 
-#define EPILOGUE
+#if defined(__ELF__) && defined(__linux__)
+# define GNUSTACK .section        .note.GNU-stack,"",%progbits
+#else
+# define GNUSTACK
+#endif
+
+#define EPILOGUE \
+        GNUSTACK
+
 
 #define PROFCODE