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f0a90c7d | 1 | /* strub (stack scrubbing) infrastructure. |
a945c346 | 2 | Copyright (C) 2021-2024 Free Software Foundation, Inc. |
f0a90c7d AO |
3 | Contributed by Alexandre Oliva <oliva@adacore.com>. |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it under | |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 3, or (at your option) any later | |
10 | version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
20 | ||
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. */ | |
24 | extern bool strub_inlinable_to_p (cgraph_node *callee, cgraph_node *caller); | |
25 | ||
26 | /* Return FALSE if NODE is a strub context, and TRUE otherwise. */ | |
27 | extern bool strub_splittable_p (cgraph_node *node); | |
28 | ||
29 | /* Locate and return the watermark_ptr parameter for FNDECL. If FNDECL is not a | |
30 | strub context, return NULL. */ | |
31 | extern tree strub_watermark_parm (tree fndecl); | |
32 | ||
33 | /* Make a function type or declaration callable. */ | |
34 | extern void strub_make_callable (tree fndecl); | |
35 | ||
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. */ | |
40 | extern int strub_validate_fn_attr_parm (tree id); | |
41 | ||
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. */ | |
45 | extern int strub_comptypes (tree t1, tree t2); |