diff --git a/cpukit/include/rtems/rtl/rtl-sym.h b/cpukit/include/rtems/rtl/rtl-sym.h
index 3502b303b8..26f4f578de 100644
--- a/cpukit/include/rtems/rtl/rtl-sym.h
+++ b/cpukit/include/rtems/rtl/rtl-sym.h
@@ -120,11 +120,11 @@ void rtems_rtl_symbol_table_close (rtems_rtl_symbols* symbols);
  * @param tls_offsets The TLS offsets table. If NULL none provided.
  * @param tls_size The number TLS offset entries in the table.
  */
-bool rtems_rtl_symbol_global_add (rtems_rtl_obj*        obj,
-                                  const unsigned char*  esyms,
-                                  unsigned int          size,
-                                  rtems_rtl_tls_offset* tls_offsets,
-                                  unsigned int          tls_size);
+bool rtems_rtl_symbol_global_add (rtems_rtl_obj*              obj,
+                                  const unsigned char*        esyms,
+                                  unsigned int                size,
+                                  const rtems_rtl_tls_offset* tls_offsets,
+                                  unsigned int                tls_size);
 
 /**
  * Find a symbol given the symbol label in the global symbol table.
diff --git a/cpukit/include/rtems/rtl/rtl.h b/cpukit/include/rtems/rtl/rtl.h
index bd3dce588a..eeec10d4c8 100644
--- a/cpukit/include/rtems/rtl/rtl.h
+++ b/cpukit/include/rtems/rtl/rtl.h
@@ -396,10 +396,10 @@ bool rtems_rtl_path_prepend (const char* path);
  * @param tls_offsets The TLS offsets table. If NULL none provided.
  * @param tls_size The number TLS offset entries in the table.
  */
-void rtems_rtl_base_sym_global_add (const unsigned char*  esyms,
-                                    unsigned int          count,
-                                    rtems_rtl_tls_offset* tls_offsets,
-                                    unsigned int          tls_size);
+void rtems_rtl_base_sym_global_add (const unsigned char*        esyms,
+                                    unsigned int                count,
+                                    const rtems_rtl_tls_offset* tls_offsets,
+                                    unsigned int                tls_size);
 
 /**
  * Return the object file descriptor for the base image. The object file
diff --git a/cpukit/libdl/rtl-sym.c b/cpukit/libdl/rtl-sym.c
index bd203fd158..df3c614974 100644
--- a/cpukit/libdl/rtl-sym.c
+++ b/cpukit/libdl/rtl-sym.c
@@ -77,10 +77,10 @@ rtems_rtl_symbol_global_insert (rtems_rtl_symbols* symbols,
                       &symbol->node);
 }
 
-static rtems_rtl_tls_offset*
-rtems_rtl_symbol_find_tls_offset (size_t                index,
-                                  rtems_rtl_tls_offset* tls_offsets,
-                                  size_t                tls_size)
+static const rtems_rtl_tls_offset*
+rtems_rtl_symbol_find_tls_offset (size_t                      index,
+                                  const rtems_rtl_tls_offset* tls_offsets,
+                                  size_t                      tls_size)
 {
   size_t entry;
   for (entry = 0; entry < tls_size; ++entry)
@@ -119,11 +119,11 @@ rtems_rtl_symbol_table_close (rtems_rtl_symbols* symbols)
 }
 
 bool
-rtems_rtl_symbol_global_add (rtems_rtl_obj*        obj,
-                             const unsigned char*  esyms,
-                             unsigned int          size,
-                             rtems_rtl_tls_offset* tls_offsets,
-                             unsigned int          tls_size)
+rtems_rtl_symbol_global_add (rtems_rtl_obj*              obj,
+                             const unsigned char*        esyms,
+                             unsigned int                size,
+                             const rtems_rtl_tls_offset* tls_offsets,
+                             unsigned int                tls_size)
 {
   rtems_rtl_symbols* symbols;
   rtems_rtl_obj_sym* sym;
@@ -194,7 +194,7 @@ rtems_rtl_symbol_global_add (rtems_rtl_obj*        obj,
       uint8_t data[sizeof (void*)];
       void*   voidp;
     } copy_voidp;
-    rtems_rtl_tls_offset* tls_off;
+    const rtems_rtl_tls_offset* tls_off;
     int b;
 
     sym->name = (const char*) &esyms[s];
diff --git a/cpukit/libdl/rtl.c b/cpukit/libdl/rtl.c
index 8250af24c9..132a58c694 100644
--- a/cpukit/libdl/rtl.c
+++ b/cpukit/libdl/rtl.c
@@ -857,10 +857,10 @@ rtems_rtl_path_prepend (const char* path)
 }
 
 void
-rtems_rtl_base_sym_global_add (const unsigned char*  esyms,
-                               unsigned int          size,
-                               rtems_rtl_tls_offset* tls_offsets,
-                               unsigned int          tls_size)
+rtems_rtl_base_sym_global_add (const unsigned char*        esyms,
+                               unsigned int                size,
+                               const rtems_rtl_tls_offset* tls_offsets,
+                               unsigned int                tls_size)
 {
   if (rtems_rtl_trace (RTEMS_RTL_TRACE_GLOBAL_SYM))
     printf ("rtl: adding global symbols, table size %u\n", size);