diff options
Diffstat (limited to 'gcc/c-family/c-common.c')
-rw-r--r-- | gcc/c-family/c-common.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c index 818c32d..a9e0191 100644 --- a/gcc/c-family/c-common.c +++ b/gcc/c-family/c-common.c @@ -328,6 +328,8 @@ static tree handle_used_attribute (tree *, tree, tree, int, bool *); static tree handle_unused_attribute (tree *, tree, tree, int, bool *); static tree handle_externally_visible_attribute (tree *, tree, tree, int, bool *); +static tree handle_no_reorder_attribute (tree *, tree, tree, int, + bool *); static tree handle_const_attribute (tree *, tree, tree, int, bool *); static tree handle_transparent_union_attribute (tree *, tree, tree, int, bool *); @@ -652,6 +654,8 @@ const struct attribute_spec c_common_attribute_table[] = handle_unused_attribute, false }, { "externally_visible", 0, 0, true, false, false, handle_externally_visible_attribute, false }, + { "no_reorder", 0, 0, true, false, false, + handle_no_reorder_attribute, false }, /* The same comments as for noreturn attributes apply to const ones. */ { "const", 0, 0, true, false, false, handle_const_attribute, false }, @@ -6953,6 +6957,30 @@ handle_externally_visible_attribute (tree *pnode, tree name, return NULL_TREE; } +/* Handle the "no_reorder" attribute. Arguments as in + struct attribute_spec.handler. */ + +static tree +handle_no_reorder_attribute (tree *pnode, + tree name, + tree, + int, + bool *no_add_attrs) +{ + tree node = *pnode; + + if ((TREE_CODE (node) != FUNCTION_DECL && TREE_CODE (node) != VAR_DECL) + && !(TREE_STATIC (node) || DECL_EXTERNAL (node))) + { + warning (OPT_Wattributes, + "%qE attribute only affects top level objects", + name); + *no_add_attrs = true; + } + + return NULL_TREE; +} + /* Handle a "const" attribute; arguments as in struct attribute_spec.handler. */ |