GCC Middle and Back End API Reference
attr-handlers.h
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1/* Language-independent attribute handlers shared across front ends.
2 Copyright (C) 2026 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3. If not see
18<http://www.gnu.org/licenses/>. */
19
20#ifndef GCC_ATTR_HANDLERS_H
21#define GCC_ATTR_HANDLERS_H
22
23/* Attribute exclusion tables used by `c-family` and `libgccjit`. */
24extern const struct attribute_spec::exclusions attr_noreturn_exclusions[];
25extern const struct attribute_spec::exclusions attr_returns_twice_exclusions[];
26extern const struct attribute_spec::exclusions attr_alloc_exclusions[];
27extern const struct attribute_spec::exclusions attr_const_pure_exclusions[];
28extern const struct attribute_spec::exclusions attr_always_inline_exclusions[];
29extern const struct attribute_spec::exclusions attr_cold_hot_exclusions[];
30extern const struct attribute_spec::exclusions attr_noinline_exclusions[];
31extern const struct attribute_spec::exclusions attr_target_exclusions[];
32extern const struct attribute_spec::exclusions attr_section_exclusions[];
33
34/* Shared helpers used by the handlers. */
35extern bool validate_attr_args (tree node[2], tree name, tree newargs[2]);
36extern bool validate_attr_arg (tree node[2], tree name, tree newarg);
37
38/* Attribute handlers. */
39extern tree handle_alias_ifunc_attribute (bool, tree *, tree, tree, bool *);
40extern tree handle_malloc_common (tree *, tree, tree, int, bool *);
41extern tree handle_alias_attribute (tree *, tree, tree, int, bool *);
42extern tree handle_always_inline_attribute (tree *, tree, tree, int, bool *);
43extern tree handle_const_attribute (tree *, tree, tree, int, bool *);
44extern tree handle_fnspec_attribute (tree *, tree, tree, int, bool *);
45extern tree handle_leaf_attribute (tree *, tree, tree, int, bool *);
46extern tree handle_noinline_attribute (tree *, tree, tree, int, bool *);
47extern tree handle_nothrow_attribute (tree *, tree, tree, int, bool *);
48extern tree handle_novops_attribute (tree *, tree, tree, int, bool *);
49extern tree handle_pure_attribute (tree *, tree, tree, int, bool *);
50extern tree handle_retain_attribute (tree *, tree, tree, int, bool *);
51extern tree handle_returns_twice_attribute (tree *, tree, tree, int, bool *);
52extern tree handle_section_attribute (tree *, tree, tree, int, bool *);
53extern tree handle_target_attribute (tree *, tree, tree, int, bool *);
54extern tree handle_type_generic_attribute (tree *, tree, tree, int, bool *);
55extern tree handle_used_attribute (tree *, tree, tree, int, bool *);
56extern tree handle_visibility_attribute (tree *, tree, tree, int, bool *);
57extern tree handle_weak_attribute (tree *, tree, tree, int, bool *);
58extern tree ignore_attribute (tree *, tree, tree, int, bool *);
59
60#endif // GCC_ATTR_HANDLERS_H
validate_attr_args
bool validate_attr_args(tree node[2], tree name, tree newargs[2])
Definition attr-handlers.cc:147
handle_alias_attribute
tree handle_alias_attribute(tree *node, tree name, tree args, int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:748
attr_section_exclusions
const struct attribute_spec::exclusions attr_section_exclusions[]
Definition attr-handlers.cc:109
handle_pure_attribute
tree handle_pure_attribute(tree *node, tree name, tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:413
handle_always_inline_attribute
tree handle_always_inline_attribute(tree *node, tree name, tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:617
attr_always_inline_exclusions
const struct attribute_spec::exclusions attr_always_inline_exclusions[]
Definition attr-handlers.cc:79
handle_nothrow_attribute
tree handle_nothrow_attribute(tree *node, tree name, tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:452
attr_target_exclusions
const struct attribute_spec::exclusions attr_target_exclusions[]
Definition attr-handlers.cc:100
handle_leaf_attribute
tree handle_leaf_attribute(tree *node, tree name, tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:353
validate_attr_arg
bool validate_attr_arg(tree node[2], tree name, tree newarg)
Definition attr-handlers.cc:242
handle_target_attribute
tree handle_target_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
Definition attr-handlers.cc:688
handle_weak_attribute
tree handle_weak_attribute(tree *node, tree name, tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *ARG_UNUSED(no_add_attrs))
Definition attr-handlers.cc:660
handle_type_generic_attribute
tree handle_type_generic_attribute(tree *node, tree ARG_UNUSED(name), tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *ARG_UNUSED(no_add_attrs))
Definition attr-handlers.cc:470
handle_used_attribute
tree handle_used_attribute(tree *pnode, tree name, tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:721
handle_retain_attribute
tree handle_retain_attribute(tree *pnode, tree name, tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:837
handle_const_attribute
tree handle_const_attribute(tree *node, tree name, tree ARG_UNUSED(args), int flags, bool *no_add_attrs)
Definition attr-handlers.cc:376
handle_fnspec_attribute
tree handle_fnspec_attribute(tree *node, tree ARG_UNUSED(name), tree args, int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:504
attr_returns_twice_exclusions
const struct attribute_spec::exclusions attr_returns_twice_exclusions[]
Definition attr-handlers.cc:53
attr_noreturn_exclusions
const struct attribute_spec::exclusions attr_noreturn_exclusions[]
Definition attr-handlers.cc:41
attr_alloc_exclusions
const struct attribute_spec::exclusions attr_alloc_exclusions[]
Definition attr-handlers.cc:60
handle_alias_ifunc_attribute
tree handle_alias_ifunc_attribute(bool is_alias, tree *node, tree name, tree args, bool *no_add_attrs)
Definition attr-handlers.cc:253
attr_const_pure_exclusions
const struct attribute_spec::exclusions attr_const_pure_exclusions[]
Definition attr-handlers.cc:68
handle_noinline_attribute
tree handle_noinline_attribute(tree *node, tree name, tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:641
ignore_attribute
tree ignore_attribute(tree *ARG_UNUSED(node), tree ARG_UNUSED(name), tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:341
handle_malloc_common
tree handle_malloc_common(tree *node, tree name, tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:859
handle_visibility_attribute
tree handle_visibility_attribute(tree *node, tree name, tree args, int ARG_UNUSED(flags), bool *ARG_UNUSED(no_add_attrs))
Definition attr-handlers.cc:518
attr_cold_hot_exclusions
const struct attribute_spec::exclusions attr_cold_hot_exclusions[]
Definition attr-handlers.cc:86
attr_noinline_exclusions
const struct attribute_spec::exclusions attr_noinline_exclusions[]
Definition attr-handlers.cc:93
handle_section_attribute
tree handle_section_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs)
Definition attr-handlers.cc:758
handle_novops_attribute
tree handle_novops_attribute(tree *node, tree ARG_UNUSED(name), tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *ARG_UNUSED(no_add_attrs))
Definition attr-handlers.cc:439
handle_returns_twice_attribute
tree handle_returns_twice_attribute(tree *node, tree name, tree ARG_UNUSED(args), int ARG_UNUSED(flags), bool *no_add_attrs)
Definition attr-handlers.cc:486
tree
union tree_node * tree
Definition coretypes.h:97
custom_sarif_properties::state_graphs::node
Definition custom-sarif-properties/state-graphs.h:33