annotate gcc/gcc-plugin.h @ 67:f6334be47118

update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents b7f97abdc517
children 04ced10e8804
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1 /* Public header file for plugins to include.
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2 Copyright (C) 2009, 2010 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GCC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #ifndef GCC_PLUGIN_H
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21 #define GCC_PLUGIN_H
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22
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23 #ifndef IN_GCC
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24 #define IN_GCC
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25 #endif
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26
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27 #include "config.h"
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28 #include "system.h"
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29 #include "coretypes.h"
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30 #include "highlev-plugin-common.h"
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31 #include "hashtab.h"
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32
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33 /* Event names. */
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34 enum plugin_event
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35 {
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36 # define DEFEVENT(NAME) NAME,
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37 # include "plugin.def"
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38 # undef DEFEVENT
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39 PLUGIN_EVENT_FIRST_DYNAMIC
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40 };
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41
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42 /* All globals declared here have C linkage to reduce link compatibility
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43 issues with implementation language choice and mangling. */
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44 #ifdef __cplusplus
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45 extern "C" {
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46 #endif
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47
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48 extern const char **plugin_event_name;
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49
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50 struct plugin_argument
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51 {
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52 char *key; /* key of the argument. */
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53 char *value; /* value is optional and can be NULL. */
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54 };
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55
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56 /* Additional information about the plugin. Used by --help and --version. */
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57
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58 struct plugin_info
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59 {
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60 const char *version;
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61 const char *help;
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62 };
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63
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64 /* Represents the gcc version. Used to avoid using an incompatible plugin. */
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65
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66 struct plugin_gcc_version
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67 {
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68 const char *basever;
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69 const char *datestamp;
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70 const char *devphase;
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71 const char *revision;
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72 const char *configuration_arguments;
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73 };
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74
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75 /* Object that keeps track of the plugin name and its arguments. */
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76 struct plugin_name_args
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77 {
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78 char *base_name; /* Short name of the plugin (filename without
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79 .so suffix). */
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80 const char *full_name; /* Path to the plugin as specified with
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81 -fplugin=. */
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82 int argc; /* Number of arguments specified with
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83 -fplugin-arg-... */
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84 struct plugin_argument *argv; /* Array of ARGC key-value pairs. */
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85 const char *version; /* Version string provided by plugin. */
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86 const char *help; /* Help string provided by plugin. */
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87 };
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88
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89 /* The default version check. Compares every field in VERSION. */
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90
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91 extern bool plugin_default_version_check (struct plugin_gcc_version *,
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92 struct plugin_gcc_version *);
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93
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94 /* Function type for the plugin initialization routine. Each plugin module
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95 should define this as an externally-visible function with name
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96 "plugin_init."
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97
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98 PLUGIN_INFO - plugin invocation information.
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99 VERSION - the plugin_gcc_version symbol of GCC.
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100
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101 Returns 0 if initialization finishes successfully. */
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102
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103 typedef int (*plugin_init_func) (struct plugin_name_args *plugin_info,
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104 struct plugin_gcc_version *version);
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105
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106 /* Declaration for "plugin_init" function so that it doesn't need to be
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107 duplicated in every plugin. */
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108 extern int plugin_init (struct plugin_name_args *plugin_info,
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109 struct plugin_gcc_version *version);
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110
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111 /* Function type for a plugin callback routine.
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112
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113 GCC_DATA - event-specific data provided by GCC
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114 USER_DATA - plugin-specific data provided by the plugin */
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115
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116 typedef void (*plugin_callback_func) (void *gcc_data, void *user_data);
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117
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118 /* Called from the plugin's initialization code. Register a single callback.
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119 This function can be called multiple times.
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120
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121 PLUGIN_NAME - display name for this plugin
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122 EVENT - which event the callback is for
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123 CALLBACK - the callback to be called at the event
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124 USER_DATA - plugin-provided data.
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125 */
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126
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127 /* Number of event ids / names registered so far. */
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128
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129 extern int get_event_last (void);
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130
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131 int get_named_event_id (const char *name, enum insert_option insert);
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132
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133 /* This is also called without a callback routine for the
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134 PLUGIN_PASS_MANAGER_SETUP, PLUGIN_INFO, PLUGIN_REGISTER_GGC_ROOTS and
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135 PLUGIN_REGISTER_GGC_CACHES pseudo-events, with a specific user_data.
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136 */
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137
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138 extern void register_callback (const char *plugin_name,
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139 int event,
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140 plugin_callback_func callback,
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141 void *user_data);
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142
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143 extern int unregister_callback (const char *plugin_name, int event);
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144
63
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145
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146 /* Retrieve the plugin directory name, as returned by the
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147 -fprint-file-name=plugin argument to the gcc program, which is the
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148 -iplugindir program argument to cc1. */
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149 extern const char* default_plugin_dir_name (void);
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150
67
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151 #ifdef __cplusplus
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152 }
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153 #endif
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154
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155 /* In case the C++ compiler does name mangling for globals, declare
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156 plugin_is_GPL_compatible extern "C" so that a later definition
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157 in a plugin file will have this linkage. */
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158 #ifdef __cplusplus
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159 extern "C" {
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160 #endif
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161 extern int plugin_is_GPL_compatible;
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162 #ifdef __cplusplus
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163 }
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164 #endif
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165
55
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166 #endif /* GCC_PLUGIN_H */