| 1 | /* Integration of the analyzer with GCC's pass manager. |
|---|
| 2 | Copyright (C) 2019-2024 Free Software Foundation, Inc. |
|---|
| 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 | #include "config.h" |
|---|
| 22 | #define INCLUDE_MEMORY |
|---|
| 23 | #include "system.h" |
|---|
| 24 | #include "coretypes.h" |
|---|
| 25 | #include "context.h" |
|---|
| 26 | #include "tree-pass.h" |
|---|
| 27 | #include "diagnostic.h" |
|---|
| 28 | #include "options.h" |
|---|
| 29 | #include "tree.h" |
|---|
| 30 | #include "analyzer/analyzer.h" |
|---|
| 31 | #include "analyzer/engine.h" |
|---|
| 32 | |
|---|
| 33 | namespace { |
|---|
| 34 | |
|---|
| 35 | /* Data for the analyzer pass. */ |
|---|
| 36 | |
|---|
| 37 | const pass_data pass_data_analyzer = |
|---|
| 38 | { |
|---|
| 39 | .type: IPA_PASS, /* type */ |
|---|
| 40 | .name: "analyzer" , /* name */ |
|---|
| 41 | .optinfo_flags: OPTGROUP_NONE, /* optinfo_flags */ |
|---|
| 42 | .tv_id: TV_ANALYZER, /* tv_id */ |
|---|
| 43 | PROP_ssa, /* properties_required */ |
|---|
| 44 | .properties_provided: 0, /* properties_provided */ |
|---|
| 45 | .properties_destroyed: 0, /* properties_destroyed */ |
|---|
| 46 | .todo_flags_start: 0, /* todo_flags_start */ |
|---|
| 47 | .todo_flags_finish: 0, /* todo_flags_finish */ |
|---|
| 48 | }; |
|---|
| 49 | |
|---|
| 50 | /* The analyzer pass. */ |
|---|
| 51 | |
|---|
| 52 | class pass_analyzer : public ipa_opt_pass_d |
|---|
| 53 | { |
|---|
| 54 | public: |
|---|
| 55 | pass_analyzer(gcc::context *ctxt) |
|---|
| 56 | : ipa_opt_pass_d (pass_data_analyzer, ctxt, |
|---|
| 57 | NULL, /* generate_summary */ |
|---|
| 58 | NULL, /* write_summary */ |
|---|
| 59 | NULL, /* read_summary */ |
|---|
| 60 | NULL, /* write_optimization_summary */ |
|---|
| 61 | NULL, /* read_optimization_summary */ |
|---|
| 62 | NULL, /* stmt_fixup */ |
|---|
| 63 | 0, /* function_transform_todo_flags_start */ |
|---|
| 64 | NULL, /* function_transform */ |
|---|
| 65 | NULL) /* variable_transform */ |
|---|
| 66 | {} |
|---|
| 67 | |
|---|
| 68 | /* opt_pass methods: */ |
|---|
| 69 | bool gate (function *) final override; |
|---|
| 70 | unsigned int execute (function *) final override; |
|---|
| 71 | }; // class pass_analyzer |
|---|
| 72 | |
|---|
| 73 | /* Only run the analyzer if -fanalyzer. */ |
|---|
| 74 | |
|---|
| 75 | bool |
|---|
| 76 | pass_analyzer::gate (function *) |
|---|
| 77 | { |
|---|
| 78 | return flag_analyzer != 0; |
|---|
| 79 | } |
|---|
| 80 | |
|---|
| 81 | /* Entrypoint for the analyzer pass. */ |
|---|
| 82 | |
|---|
| 83 | unsigned int |
|---|
| 84 | pass_analyzer::execute (function *) |
|---|
| 85 | { |
|---|
| 86 | #if ENABLE_ANALYZER |
|---|
| 87 | ana::run_checkers (); |
|---|
| 88 | #else |
|---|
| 89 | sorry_no_analyzer (); |
|---|
| 90 | #endif |
|---|
| 91 | |
|---|
| 92 | return 0; |
|---|
| 93 | } |
|---|
| 94 | |
|---|
| 95 | } // anon namespace |
|---|
| 96 | |
|---|
| 97 | /* Make an instance of the analyzer pass. */ |
|---|
| 98 | |
|---|
| 99 | ipa_opt_pass_d * |
|---|
| 100 | make_pass_analyzer (gcc::context *ctxt) |
|---|
| 101 | { |
|---|
| 102 | return new pass_analyzer (ctxt); |
|---|
| 103 | } |
|---|
| 104 | |
|---|
| 105 | #if !ENABLE_ANALYZER |
|---|
| 106 | |
|---|
| 107 | /* Issue a "sorry" diagnostic that the analyzer was not enabled. */ |
|---|
| 108 | |
|---|
| 109 | void |
|---|
| 110 | sorry_no_analyzer () |
|---|
| 111 | { |
|---|
| 112 | sorry ("%qs was not enabled in this build of GCC" |
|---|
| 113 | " (missing configure-time option %qs)" , |
|---|
| 114 | "-fanalyzer" , "--enable-analyzer" ); |
|---|
| 115 | } |
|---|
| 116 | |
|---|
| 117 | #endif /* #if !ENABLE_ANALYZER */ |
|---|
| 118 | |
|---|
