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[gcc.git] / libgcc / offloadstuff.c

diff --git a/libgcc/offloadstuff.c b/libgcc/offloadstuff.c
index 0d6ef2336b4880e2271e0ff1781d5691e8613a4d..0bbe1c240e2dbd97dda1061bc4d2bdc76853ce5c 100644 (file)
--- a/libgcc/offloadstuff.c
+++ b/libgcc/offloadstuff.c
@@ -1,5 +1,5 @@
 /* Specialized bits of code needed for the offloading tables.
-   Copyright (C) 2014-2015 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -40,41 +40,45 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tm.h"
 #include "libgcc_tm.h"
 
+#if defined(HAVE_GAS_HIDDEN) && ENABLE_OFFLOADING == 1
+
 #define OFFLOAD_FUNC_TABLE_SECTION_NAME ".gnu.offload_funcs"
 #define OFFLOAD_VAR_TABLE_SECTION_NAME ".gnu.offload_vars"
 
 #ifdef CRT_BEGIN
 
-#if defined(HAVE_GAS_HIDDEN) && defined(ENABLE_OFFLOADING)
-void *__offload_func_table[0]
+const void *const __offload_func_table[0]
   __attribute__ ((__used__, visibility ("hidden"),
                  section (OFFLOAD_FUNC_TABLE_SECTION_NAME))) = { };
-void *__offload_var_table[0]
+const void *const __offload_var_table[0]
   __attribute__ ((__used__, visibility ("hidden"),
                  section (OFFLOAD_VAR_TABLE_SECTION_NAME))) = { };
-#endif
 
 #elif defined CRT_END
 
-#if defined(HAVE_GAS_HIDDEN) && defined(ENABLE_OFFLOADING)
-void *__offload_funcs_end[0]
+const void *const __offload_funcs_end[0]
   __attribute__ ((__used__, visibility ("hidden"),
                  section (OFFLOAD_FUNC_TABLE_SECTION_NAME))) = { };
-void *__offload_vars_end[0]
+const void *const __offload_vars_end[0]
   __attribute__ ((__used__, visibility ("hidden"),
                  section (OFFLOAD_VAR_TABLE_SECTION_NAME))) = { };
 
-extern void *__offload_func_table[];
-extern void *__offload_var_table[];
+#elif defined CRT_TABLE
 
-void *__OFFLOAD_TABLE__[]
+extern const void *const __offload_func_table[];
+extern const void *const __offload_var_table[];
+extern const void *const __offload_funcs_end[];
+extern const void *const __offload_vars_end[];
+
+const void *const __OFFLOAD_TABLE__[]
   __attribute__ ((__visibility__ ("hidden"))) =
 {
   &__offload_func_table, &__offload_funcs_end,
   &__offload_var_table, &__offload_vars_end
 };
+
+#else /* ! CRT_BEGIN && ! CRT_END && ! CRT_TABLE  */
+#error "One of CRT_BEGIN, CRT_END or CRT_TABLE must be defined."
 #endif
 
-#else /* ! CRT_BEGIN && ! CRT_END */
-#error "One of CRT_BEGIN or CRT_END must be defined."
 #endif