diff options
Diffstat (limited to 'gcc/c-family/c-common.c')
| -rw-r--r-- | gcc/c-family/c-common.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c index cf2fe17ee66..6ef3bf99542 100644 --- a/gcc/c-family/c-common.c +++ b/gcc/c-family/c-common.c @@ -308,6 +308,7 @@ static tree handle_hot_attribute (tree *, tree, tree, int, bool *); static tree handle_cold_attribute (tree *, tree, tree, int, bool *); static tree handle_noinline_attribute (tree *, tree, tree, int, bool *); static tree handle_noclone_attribute (tree *, tree, tree, int, bool *); +static tree handle_leaf_attribute (tree *, tree, tree, int, bool *); static tree handle_always_inline_attribute (tree *, tree, tree, int, bool *); static tree handle_gnu_inline_attribute (tree *, tree, tree, int, bool *); @@ -570,6 +571,8 @@ const struct attribute_spec c_common_attribute_table[] = handle_noinline_attribute }, { "noclone", 0, 0, true, false, false, handle_noclone_attribute }, + { "leaf", 0, 0, true, false, false, + handle_leaf_attribute }, { "always_inline", 0, 0, true, false, false, handle_always_inline_attribute }, { "gnu_inline", 0, 0, true, false, false, @@ -5873,6 +5876,28 @@ handle_gnu_inline_attribute (tree *node, tree name, return NULL_TREE; } +/* Handle a "leaf" attribute; arguments as in + struct attribute_spec.handler. */ + +static tree +handle_leaf_attribute (tree *node, tree name, + tree ARG_UNUSED (args), + int ARG_UNUSED (flags), bool *no_add_attrs) +{ + if (TREE_CODE (*node) != FUNCTION_DECL) + { + warning (OPT_Wattributes, "%qE attribute ignored", name); + *no_add_attrs = true; + } + if (!TREE_PUBLIC (*node)) + { + warning (OPT_Wattributes, "%qE attribute has no effect on unit local functions", name); + *no_add_attrs = true; + } + + return NULL_TREE; +} + /* Handle an "artificial" attribute; arguments as in struct attribute_spec.handler. */ |