1 /* Public header file for plugins to include.
2 Copyright (C) 2009 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 GCC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
23 /* Event names. Keep in sync with plugin_event_name[]. */
26 PLUGIN_PASS_MANAGER_SETUP, /* To hook into pass manager. */
27 PLUGIN_FINISH_TYPE, /* After finishing parsing a type. */
28 PLUGIN_FINISH_UNIT, /* Useful for summary processing. */
29 PLUGIN_CXX_CP_PRE_GENERICIZE, /* Allows to see low level AST in C++ FE. */
30 PLUGIN_FINISH, /* Called before GCC exits. */
31 PLUGIN_EVENT_LAST /* Dummy event used for indexing callback
35 extern const char *plugin_event_name[];
37 struct plugin_argument
39 char *key; /* key of the argument. */
40 char *value; /* value is optional and can be NULL. */
43 enum pass_positioning_ops
45 PASS_POS_INSERT_AFTER, /* Insert after the reference pass. */
46 PASS_POS_INSERT_BEFORE, /* Insert before the reference pass. */
47 PASS_POS_REPLACE /* Replace the reference pass. */
52 struct opt_pass *pass; /* New pass provided by the plugin. */
53 const char *reference_pass_name; /* Name of the reference pass for hooking
55 int ref_pass_instance_number; /* Insert the pass at the specified
56 instance number of the reference pass.
57 Do it for every instance if it is 0. */
58 enum pass_positioning_ops pos_op; /* how to insert the new pass. */
61 /* Function type for the plugin initialization routine. Each plugin module
62 should define this as an externally-visible function with name
65 PLUGIN_NAME - name of the plugin (useful for error reporting)
66 ARGC - the size of the ARGV array
67 ARGV - an array of key-value argument pair
69 Returns 0 if initialization finishes successfully. */
71 typedef int (*plugin_init_func) (const char *plugin_name,
72 int argc, struct plugin_argument *argv);
74 /* Declaration for "plugin_init" function so that it doesn't need to be
75 duplicated in every plugin. */
76 extern int plugin_init (const char *, int, struct plugin_argument *);
78 /* Function type for a plugin callback routine.
80 GCC_DATA - event-specific data provided by GCC
81 USER_DATA - plugin-specific data provided by the plugin */
83 typedef void (*plugin_callback_func) (void *gcc_data, void *user_data);
85 /* Called from the plugin's initialization code. Register a single callback.
86 This function can be called multiple times.
88 PLUGIN_NAME - display name for this plugin
89 EVENT - which event the callback is for
90 CALLBACK - the callback to be called at the event
91 USER_DATA - plugin-provided data */
93 extern void register_callback (const char *plugin_name,
94 enum plugin_event event,
95 plugin_callback_func callback,
98 #endif /* GCC_PLUGIN_H */