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_INFO
, /* Information about the plugin */
32 PLUGIN_ATTRIBUTES
, /* Called during attribute registration. */
33 PLUGIN_EVENT_LAST
/* Dummy event used for indexing callback
37 extern const char *plugin_event_name
[];
39 struct plugin_argument
41 char *key
; /* key of the argument. */
42 char *value
; /* value is optional and can be NULL. */
45 enum pass_positioning_ops
47 PASS_POS_INSERT_AFTER
, /* Insert after the reference pass. */
48 PASS_POS_INSERT_BEFORE
, /* Insert before the reference pass. */
49 PASS_POS_REPLACE
/* Replace the reference pass. */
54 struct opt_pass
*pass
; /* New pass provided by the plugin. */
55 const char *reference_pass_name
; /* Name of the reference pass for hooking
57 int ref_pass_instance_number
; /* Insert the pass at the specified
58 instance number of the reference pass.
59 Do it for every instance if it is 0. */
60 enum pass_positioning_ops pos_op
; /* how to insert the new pass. */
63 /* Additional information about the plugin. Used by --help and --version. */
71 /* Represents the gcc version. Used to avoid using an incompatible plugin. */
73 struct plugin_gcc_version
76 const char *datestamp
;
79 const char *configuration_arguments
;
82 /* The default version check. Compares every field in VERSION. */
84 extern bool plugin_default_version_check (struct plugin_gcc_version
*,
85 struct plugin_gcc_version
*);
87 /* Function type for the plugin initialization routine. Each plugin module
88 should define this as an externally-visible function with name
91 PLUGIN_NAME - name of the plugin (useful for error reporting)
92 VERSION - the plugin_gcc_version symbol of the plugin itself.
93 ARGC - the size of the ARGV array
94 ARGV - an array of key-value argument pair
96 Returns 0 if initialization finishes successfully. */
98 typedef int (*plugin_init_func
) (const char *plugin_name
,
99 struct plugin_gcc_version
*version
,
100 int argc
, struct plugin_argument
*argv
);
102 /* Declaration for "plugin_init" function so that it doesn't need to be
103 duplicated in every plugin. */
104 extern int plugin_init (const char *, struct plugin_gcc_version
*version
,
105 int, struct plugin_argument
*);
107 /* Function type for a plugin callback routine.
109 GCC_DATA - event-specific data provided by GCC
110 USER_DATA - plugin-specific data provided by the plugin */
112 typedef void (*plugin_callback_func
) (void *gcc_data
, void *user_data
);
114 /* Called from the plugin's initialization code. Register a single callback.
115 This function can be called multiple times.
117 PLUGIN_NAME - display name for this plugin
118 EVENT - which event the callback is for
119 CALLBACK - the callback to be called at the event
120 USER_DATA - plugin-provided data */
122 extern void register_callback (const char *plugin_name
,
123 enum plugin_event event
,
124 plugin_callback_func callback
,
127 #endif /* GCC_PLUGIN_H */