1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/hooks.c b/gcc/hooks.c
index cb6efd4bb6a..4ceef674913 100644
--- a/gcc/hooks.c
+++ b/gcc/hooks.c
@@ -226,3 +226,37 @@ hook_tree_tree_identity (tree a)
 {
   return a;
 }
+
+/* Generic hook that takes a tree and returns a NULL string.  */
+const char *
+hook_constcharptr_tree_null (tree t ATTRIBUTE_UNUSED)
+{
+  return NULL;
+}
+
+/* APPLE LOCAL begin AltiVec */
+/* Generic hook that takes a cpp_token pointer and returns false.  */
+bool
+hook_bool_constcpp_tokenp_false (const struct cpp_token * tok ATTRIBUTE_UNUSED)
+{
+  return false;
+}
+/* APPLE LOCAL end AltiVec */
+
+/* APPLE LOCAL begin constant cfstrings */
+/* Generic hook that takes a tree and returns NULL.  */
+tree
+hook_tree_tree_null (tree a ATTRIBUTE_UNUSED)
+{
+  return NULL;
+}
+
+/* Generic hook that takes three trees and returns NULL.  */
+tree
+hook_tree_tree_tree_tree_null (tree a ATTRIBUTE_UNUSED,
+			       tree b ATTRIBUTE_UNUSED,
+			       tree c ATTRIBUTE_UNUSED)
+{
+  return NULL;
+}
+/* APPLE LOCAL end constant cfstrings */