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/>. */
30 /* Event names. Keep in sync with plugin_event_name[]. */
33 PLUGIN_PASS_MANAGER_SETUP
, /* To hook into pass manager. */
34 PLUGIN_FINISH_TYPE
, /* After finishing parsing a type. */
35 PLUGIN_FINISH_UNIT
, /* Useful for summary processing. */
36 PLUGIN_CXX_CP_PRE_GENERICIZE
, /* Allows to see low level AST in C++ FE. */
37 PLUGIN_FINISH
, /* Called before GCC exits. */
38 PLUGIN_INFO
, /* Information about the plugin. */
39 PLUGIN_GGC_START
, /* Called at start of GCC Garbage Collection. */
40 PLUGIN_GGC_MARKING
, /* Extend the GGC marking. */
41 PLUGIN_GGC_END
, /* Called at end of GGC. */
42 PLUGIN_REGISTER_GGC_ROOTS
, /* Register an extra GGC root table. */
43 PLUGIN_ATTRIBUTES
, /* Called during attribute registration. */
44 PLUGIN_EVENT_LAST
/* Dummy event used for indexing callback
48 extern const char *plugin_event_name
[];
50 struct plugin_argument
52 char *key
; /* key of the argument. */
53 char *value
; /* value is optional and can be NULL. */
56 enum pass_positioning_ops
58 PASS_POS_INSERT_AFTER
, /* Insert after the reference pass. */
59 PASS_POS_INSERT_BEFORE
, /* Insert before the reference pass. */
60 PASS_POS_REPLACE
/* Replace the reference pass. */
65 struct opt_pass
*pass
; /* New pass provided by the plugin. */
66 const char *reference_pass_name
; /* Name of the reference pass for hooking
68 int ref_pass_instance_number
; /* Insert the pass at the specified
69 instance number of the reference pass.
70 Do it for every instance if it is 0. */
71 enum pass_positioning_ops pos_op
; /* how to insert the new pass. */
74 /* Additional information about the plugin. Used by --help and --version. */
82 /* Represents the gcc version. Used to avoid using an incompatible plugin. */
84 struct plugin_gcc_version
87 const char *datestamp
;
90 const char *configuration_arguments
;
93 /* Object that keeps track of the plugin name and its arguments. */
94 struct plugin_name_args
96 char *base_name
; /* Short name of the plugin (filename without
98 const char *full_name
; /* Path to the plugin as specified with
100 int argc
; /* Number of arguments specified with
102 struct plugin_argument
*argv
; /* Array of ARGC key-value pairs. */
103 const char *version
; /* Version string provided by plugin. */
104 const char *help
; /* Help string provided by plugin. */
107 /* The default version check. Compares every field in VERSION. */
109 extern bool plugin_default_version_check (struct plugin_gcc_version
*,
110 struct plugin_gcc_version
*);
112 /* Function type for the plugin initialization routine. Each plugin module
113 should define this as an externally-visible function with name
116 PLUGIN_INFO - plugin invocation information.
117 VERSION - the plugin_gcc_version symbol of GCC.
119 Returns 0 if initialization finishes successfully. */
121 typedef int (*plugin_init_func
) (struct plugin_name_args
*plugin_info
,
122 struct plugin_gcc_version
*version
);
124 /* Declaration for "plugin_init" function so that it doesn't need to be
125 duplicated in every plugin. */
126 extern int plugin_init (struct plugin_name_args
*plugin_info
,
127 struct plugin_gcc_version
*version
);
129 /* Function type for a plugin callback routine.
131 GCC_DATA - event-specific data provided by GCC
132 USER_DATA - plugin-specific data provided by the plugin */
134 typedef void (*plugin_callback_func
) (void *gcc_data
, void *user_data
);
136 /* Called from the plugin's initialization code. Register a single callback.
137 This function can be called multiple times.
139 PLUGIN_NAME - display name for this plugin
140 EVENT - which event the callback is for
141 CALLBACK - the callback to be called at the event
142 USER_DATA - plugin-provided data.
145 /* This is also called without a callback routine for the
146 PLUGIN_PASS_MANAGER_SETUP, PLUGIN_INFO, PLUGIN_REGISTER_GGC_ROOTS
147 pseudo-events, with a specific user_data.
150 extern void register_callback (const char *plugin_name
,
151 enum plugin_event event
,
152 plugin_callback_func callback
,
155 #endif /* GCC_PLUGIN_H */