GCC Middle and Back End API Reference
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1/* strub (stack scrubbing) infrastructure.
2 Copyright (C) 2021-2024 Free Software Foundation, Inc.
3 Contributed by Alexandre Oliva <oliva@adacore.com>.
5This file is part of GCC.
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15for more details.
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
21/* Return TRUE if CALLEE can be inlined into CALLER, as far as stack scrubbing
22 constraints are concerned. CALLEE doesn't have to be called directly by
23 CALLER, but the returned value says nothing about intervening functions. */
24extern bool strub_inlinable_to_p (cgraph_node *callee, cgraph_node *caller);
26/* Return FALSE if NODE is a strub context, and TRUE otherwise. */
27extern bool strub_splittable_p (cgraph_node *node);
29/* Locate and return the watermark_ptr parameter for FNDECL. If FNDECL is not a
30 strub context, return NULL. */
31extern tree strub_watermark_parm (tree fndecl);
33/* Make a function type or declaration callable. */
34extern void strub_make_callable (tree fndecl);
36/* Return zero iff ID is NOT an acceptable parameter for a user-supplied strub
37 attribute for a function. Otherwise, return >0 if it enables strub, <0 if it
38 does not. Return +/-1 if the attribute-modified type is compatible with the
39 type without the attribute, or +/-2 if it is not compatible. */
40extern int strub_validate_fn_attr_parm (tree id);
42/* Like comptypes, return 0 if t1 and t2 are not compatible, 1 if they are
43 compatible, and 2 if they are nearly compatible. Same strub mode is
44 compatible, interface-compatible strub modes are nearly compatible. */
45extern int strub_comptypes (tree t1, tree t2);
union tree_node * tree
Definition coretypes.h:97
int strub_validate_fn_attr_parm(tree id)
Definition ipa-strub.cc:394
bool strub_splittable_p(cgraph_node *node)
Definition ipa-strub.cc:2293
int strub_comptypes(tree t1, tree t2)
Definition ipa-strub.cc:1534
tree strub_watermark_parm(tree fndecl)
Definition ipa-strub.cc:2319
bool strub_inlinable_to_p(cgraph_node *callee, cgraph_node *caller)
Definition ipa-strub.cc:1481
void strub_make_callable(tree fndecl)
Definition ipa-strub.cc:1298
Definition cgraph.h:875