Make -fdata-sections work for AVR port.

[pf3gnuchains/gcc-fork.git] / gcc / langhooks.c

diff --git a/gcc/langhooks.c b/gcc/langhooks.c
index aa8dc3a..9f0a236 100644 (file)
--- a/gcc/langhooks.c
+++ b/gcc/langhooks.c
@@ -46,23 +46,23 @@ lhd_do_nothing (void)
 /* Do nothing (tree).  */
 
 void
-lhd_do_nothing_t (tree t ATTRIBUTE_UNUSED)
+lhd_do_nothing_t (tree ARG_UNUSED (t))
 {
 }
 
 /* Do nothing (int).  */
 
 void
-lhd_do_nothing_i (int i ATTRIBUTE_UNUSED)
+lhd_do_nothing_i (int ARG_UNUSED (i))
 {
 }
 
 /* Do nothing (int, int, int).  Return NULL_TREE.  */
 
 tree
-lhd_do_nothing_iii_return_null_tree (int i ATTRIBUTE_UNUSED, 
-                                    int j ATTRIBUTE_UNUSED,
-                                    int k ATTRIBUTE_UNUSED)
+lhd_do_nothing_iii_return_null_tree (int ARG_UNUSED (i),
+                                    int ARG_UNUSED (j),
+                                    int ARG_UNUSED (k))
 {
   return NULL_TREE;
 }
@@ -70,7 +70,7 @@ lhd_do_nothing_iii_return_null_tree (int i ATTRIBUTE_UNUSED,
 /* Do nothing (function).  */
 
 void
-lhd_do_nothing_f (struct function *f ATTRIBUTE_UNUSED)
+lhd_do_nothing_f (struct function * ARG_UNUSED (f))
 {
 }
 
@@ -93,7 +93,7 @@ lhd_return_null_tree_v (void)
 /* Do nothing (return NULL_TREE).  */
 
 tree
-lhd_return_null_tree (tree t ATTRIBUTE_UNUSED)
+lhd_return_null_tree (tree ARG_UNUSED (t))
 {
   return NULL_TREE;
 }
@@ -101,7 +101,7 @@ lhd_return_null_tree (tree t ATTRIBUTE_UNUSED)
 /* The default post options hook.  */
 
 bool
-lhd_post_options (const char **pfilename ATTRIBUTE_UNUSED)
+lhd_post_options (const char ** ARG_UNUSED (pfilename))
 {
   return false;
 }
@@ -109,34 +109,26 @@ lhd_post_options (const char **pfilename ATTRIBUTE_UNUSED)
 /* Called from by print-tree.c.  */
 
 void
-lhd_print_tree_nothing (FILE *file ATTRIBUTE_UNUSED,
-                       tree node ATTRIBUTE_UNUSED,
-                       int indent ATTRIBUTE_UNUSED)
+lhd_print_tree_nothing (FILE * ARG_UNUSED (file),
+                       tree ARG_UNUSED (node),
+                       int ARG_UNUSED (indent))
 {
 }
 
 /* Called from safe_from_p.  */
 
 int
-lhd_safe_from_p (rtx x ATTRIBUTE_UNUSED, tree exp ATTRIBUTE_UNUSED)
+lhd_safe_from_p (rtx ARG_UNUSED (x), tree ARG_UNUSED (exp))
 {
   return 1;
 }
 
-/* Called from unsafe_for_reeval.  */
-
-int
-lhd_unsafe_for_reeval (tree t ATTRIBUTE_UNUSED)
-{
-  return -1;
-}
-
 /* Called from staticp.  */
 
-int
-lhd_staticp (tree exp ATTRIBUTE_UNUSED)
+tree
+lhd_staticp (tree ARG_UNUSED (exp))
 {
-  return 0;
+  return NULL;
 }
 
 /* Called from check_global_declarations.  */
@@ -175,7 +167,7 @@ lhd_set_decl_assembler_name (tree decl)
         same as that used in the source language.  (That's correct
         for C, and GCC used to set DECL_ASSEMBLER_NAME to the same
         value as DECL_NAME in build_decl, so this choice provides
-        backwards compatibility with existing front-ends.  
+        backwards compatibility with existing front-ends.
 
          Can't use just the variable's own name for a variable whose
         scope is less than the whole compilation.  Concatenate a
@@ -207,21 +199,21 @@ lhd_can_use_bit_fields_p (void)
 
 /* Type promotion for variable arguments.  */
 tree
-lhd_type_promotes_to (tree type ATTRIBUTE_UNUSED)
+lhd_type_promotes_to (tree ARG_UNUSED (type))
 {
   abort ();
 }
 
 /* Registration of machine- or os-specific builtin types.  */
 void
-lhd_register_builtin_type (tree type ATTRIBUTE_UNUSED, 
-                          const char* name ATTRIBUTE_UNUSED)
+lhd_register_builtin_type (tree ARG_UNUSED (type),
+                          const char * ARG_UNUSED (name))
 {
 }
 
 /* Invalid use of an incomplete type.  */
 void
-lhd_incomplete_type_error (tree value ATTRIBUTE_UNUSED, tree type)
+lhd_incomplete_type_error (tree ARG_UNUSED (value), tree type)
 {
   if (TREE_CODE (type) == ERROR_MARK)
     return;
@@ -233,7 +225,7 @@ lhd_incomplete_type_error (tree value ATTRIBUTE_UNUSED, tree type)
    is used by languages that don't need to do anything special.  */
 
 HOST_WIDE_INT
-lhd_get_alias_set (tree t ATTRIBUTE_UNUSED)
+lhd_get_alias_set (tree ARG_UNUSED (t))
 {
   return -1;
 }
@@ -242,7 +234,7 @@ lhd_get_alias_set (tree t ATTRIBUTE_UNUSED)
    used by languages that haven't deal with alias sets yet.  */
 
 HOST_WIDE_INT
-hook_get_alias_set_0 (tree t ATTRIBUTE_UNUSED)
+hook_get_alias_set_0 (tree ARG_UNUSED (t))
 {
   return 0;
 }
@@ -250,10 +242,10 @@ hook_get_alias_set_0 (tree t ATTRIBUTE_UNUSED)
 /* This is the default expand_expr function.  */
 
 rtx
-lhd_expand_expr (tree t ATTRIBUTE_UNUSED, rtx r ATTRIBUTE_UNUSED,
-                enum machine_mode mm ATTRIBUTE_UNUSED,
-                int em ATTRIBUTE_UNUSED,
-                rtx *a ATTRIBUTE_UNUSED)
+lhd_expand_expr (tree ARG_UNUSED (t), rtx ARG_UNUSED (r),
+                enum machine_mode ARG_UNUSED (mm),
+                int ARG_UNUSED (em),
+                rtx * ARG_UNUSED (a))
 {
   abort ();
 }
@@ -265,7 +257,7 @@ lhd_expand_expr (tree t ATTRIBUTE_UNUSED, rtx r ATTRIBUTE_UNUSED,
    any RTL generation.  */
 
 int
-lhd_expand_decl (tree t ATTRIBUTE_UNUSED)
+lhd_expand_decl (tree ARG_UNUSED (t))
 {
   return 0;
 }
@@ -273,7 +265,7 @@ lhd_expand_decl (tree t ATTRIBUTE_UNUSED)
 /* This is the default decl_printable_name function.  */
 
 const char *
-lhd_decl_printable_name (tree decl, int verbosity ATTRIBUTE_UNUSED)
+lhd_decl_printable_name (tree decl, int ARG_UNUSED (verbosity))
 {
   return IDENTIFIER_POINTER (DECL_NAME (decl));
 }