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07e30160 | 1 | /* Support for plugin-supplied behaviors of known functions. |
83ffe9cd | 2 | Copyright (C) 2022-2023 Free Software Foundation, Inc. |
07e30160 DM |
3 | Contributed by David Malcolm <dmalcolm@redhat.com>. |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | General Public License 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 | #ifndef GCC_ANALYZER_KNOWN_FUNCTION_MANAGER_H | |
22 | #define GCC_ANALYZER_KNOWN_FUNCTION_MANAGER_H | |
23 | ||
bfca9505 DM |
24 | #include "analyzer/analyzer-logging.h" |
25 | ||
07e30160 DM |
26 | namespace ana { |
27 | ||
63a42ffc DM |
28 | /* Instances of known_function are registered with the known_function_manager |
29 | when the analyzer starts. | |
30 | ||
31 | The known_function_manager has responsibility for determining which | |
32 | known_function instance (if any) is relevant at a call site, by checking | |
33 | name or id, and by calling known_function::matches_call_types_p to ensure | |
34 | that the known_function's preconditions hold (typically assumptions about | |
35 | types e.g. that "has 3 args, and that arg 0 is of pointer type"). | |
36 | ||
37 | The known_function subclasses themselves have responsibility for | |
38 | determining the outcome(s) of the call. */ | |
39 | ||
07e30160 DM |
40 | class known_function_manager : public log_user |
41 | { | |
42 | public: | |
43 | known_function_manager (logger *logger); | |
44 | ~known_function_manager (); | |
6bd31b33 | 45 | |
76dd2c4f | 46 | void add (const char *name, std::unique_ptr<known_function> kf); |
6bd31b33 DM |
47 | void add (enum built_in_function name, std::unique_ptr<known_function> kf); |
48 | void add (enum internal_fn ifn, std::unique_ptr<known_function> kf); | |
49 | ||
50 | const known_function *get_match (tree fndecl, const call_details &cd) const; | |
51 | const known_function *get_internal_fn (enum internal_fn) const; | |
07e30160 DM |
52 | |
53 | private: | |
54 | DISABLE_COPY_AND_ASSIGN (known_function_manager); | |
55 | ||
6bd31b33 DM |
56 | const known_function *get_normal_builtin (enum built_in_function name) const; |
57 | const known_function *get_by_identifier (tree identifier) const; | |
58 | ||
07e30160 DM |
59 | /* Map from identifier to known_function instance. |
60 | Has ownership of the latter. */ | |
61 | hash_map<tree, known_function *> m_map_id_to_kf; | |
6bd31b33 DM |
62 | |
63 | /* Array of known builtins. */ | |
64 | known_function *m_combined_fns_arr[CFN_LAST]; | |
07e30160 DM |
65 | }; |
66 | ||
67 | } // namespace ana | |
68 | ||
69 | #endif /* GCC_ANALYZER_KNOWN_FUNCTION_MANAGER_H */ |