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-rw-r--r--gcc/c-family/c-common.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
index 9bc02fcf85c..57265c54c97 100644
--- a/gcc/c-family/c-common.c
+++ b/gcc/c-family/c-common.c
@@ -393,6 +393,7 @@ static tree handle_designated_init_attribute (tree *, tree, tree, int, bool *);
static tree handle_bnd_variable_size_attribute (tree *, tree, tree, int, bool *);
static tree handle_bnd_legacy (tree *, tree, tree, int, bool *);
static tree handle_bnd_instrument (tree *, tree, tree, int, bool *);
+static tree handle_prolog_pad_attribute (tree *, tree, tree, int, bool *);
static void check_function_nonnull (tree, int, tree *);
static void check_nonnull_arg (void *, tree, unsigned HOST_WIDE_INT);
@@ -833,6 +834,8 @@ const struct attribute_spec c_common_attribute_table[] =
handle_bnd_legacy, false },
{ "bnd_instrument", 0, 0, true, false, false,
handle_bnd_instrument, false },
+ { "prolog_pad", 1, 1, false, true, true,
+ handle_prolog_pad_attribute, false },
{ NULL, 0, 0, false, false, false, NULL, false }
};
@@ -9663,6 +9666,16 @@ handle_designated_init_attribute (tree *node, tree name, tree, int,
return NULL_TREE;
}
+static tree
+handle_prolog_pad_attribute (tree *, tree name, tree, int,
+ bool *)
+{
+ warning (OPT_Wattributes,
+ "%qE attribute is used", name);
+
+ return NULL_TREE;
+}
+
/* Check for valid arguments being passed to a function with FNTYPE.
There are NARGS arguments in the array ARGARRAY. */