Mercurial > hg > CbC > CbC_gcc
annotate gcc/plugin.c @ 55:77e2b8dfacca gcc-4.4.5
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author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Fri, 12 Feb 2010 23:39:51 +0900 |
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children | b7f97abdc517 |
rev | line source |
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55
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1 /* Support for GCC plugin mechanism. |
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2 Copyright (C) 2009 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 /* This file contains the support for GCC plugin mechanism based on the |
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21 APIs described in doc/plugin.texi. */ |
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22 |
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23 #include "config.h" |
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24 #include "system.h" |
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25 |
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26 /* If plugin support is not enabled, do not try to execute any code |
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27 that may reference libdl. The generic code is still compiled in to |
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28 avoid including too many conditional compilation paths in the rest |
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29 of the compiler. */ |
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30 #ifdef ENABLE_PLUGIN |
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31 #include <dlfcn.h> |
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32 #endif |
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33 |
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34 #include "coretypes.h" |
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35 #include "toplev.h" |
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36 #include "tree.h" |
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37 #include "tree-pass.h" |
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38 #include "intl.h" |
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39 #include "plugin.h" |
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40 #include "timevar.h" |
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41 #include "ggc.h" |
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42 |
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43 #ifdef ENABLE_PLUGIN |
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44 #include "plugin-version.h" |
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45 #endif |
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46 |
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47 #define GCC_PLUGIN_STRINGIFY0(X) #X |
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48 #define GCC_PLUGIN_STRINGIFY1(X) GCC_PLUGIN_STRINGIFY0 (X) |
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49 |
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50 /* Event names as strings. Keep in sync with enum plugin_event. */ |
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51 static const char *plugin_event_name_init[] = |
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52 { |
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53 # define DEFEVENT(NAME) GCC_PLUGIN_STRINGIFY1 (NAME), |
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54 # include "plugin.def" |
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55 # undef DEFEVENT |
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56 }; |
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57 |
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58 /* A printf format large enough for the largest event above. */ |
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59 #define FMT_FOR_PLUGIN_EVENT "%-32s" |
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60 |
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61 const char **plugin_event_name = plugin_event_name_init; |
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62 |
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63 /* A hash table to map event names to the position of the names in the |
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64 plugin_event_name table. */ |
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65 static htab_t event_tab; |
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66 |
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67 /* Keep track of the limit of allocated events and space ready for |
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68 allocating events. */ |
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69 static int event_last = PLUGIN_EVENT_FIRST_DYNAMIC; |
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70 static int event_horizon = PLUGIN_EVENT_FIRST_DYNAMIC; |
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71 |
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72 /* Hash table for the plugin_name_args objects created during command-line |
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73 parsing. */ |
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74 static htab_t plugin_name_args_tab = NULL; |
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75 |
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76 /* List node for keeping track of plugin-registered callback. */ |
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77 struct callback_info |
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78 { |
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79 const char *plugin_name; /* Name of plugin that registers the callback. */ |
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80 plugin_callback_func func; /* Callback to be called. */ |
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81 void *user_data; /* plugin-specified data. */ |
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82 struct callback_info *next; |
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83 }; |
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84 |
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85 /* An array of lists of 'callback_info' objects indexed by the event id. */ |
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86 static struct callback_info *plugin_callbacks_init[PLUGIN_EVENT_FIRST_DYNAMIC]; |
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87 static struct callback_info **plugin_callbacks = plugin_callbacks_init; |
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88 |
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89 |
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90 #ifdef ENABLE_PLUGIN |
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91 /* Each plugin should define an initialization function with exactly |
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92 this name. */ |
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93 static const char *str_plugin_init_func_name = "plugin_init"; |
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94 |
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95 /* Each plugin should define this symbol to assert that it is |
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96 distributed under a GPL-compatible license. */ |
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97 static const char *str_license = "plugin_is_GPL_compatible"; |
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98 #endif |
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99 |
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100 /* Helper function for the hash table that compares the base_name of the |
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101 existing entry (S1) with the given string (S2). */ |
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102 |
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103 static int |
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104 htab_str_eq (const void *s1, const void *s2) |
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105 { |
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106 const struct plugin_name_args *plugin = (const struct plugin_name_args *) s1; |
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107 return !strcmp (plugin->base_name, (const char *) s2); |
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108 } |
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109 |
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110 |
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111 /* Given a plugin's full-path name FULL_NAME, e.g. /pass/to/NAME.so, |
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112 return NAME. */ |
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113 |
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114 static char * |
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115 get_plugin_base_name (const char *full_name) |
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116 { |
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117 /* First get the base name part of the full-path name, i.e. NAME.so. */ |
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118 char *base_name = xstrdup (lbasename (full_name)); |
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119 |
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120 /* Then get rid of '.so' part of the name. */ |
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121 strip_off_ending (base_name, strlen (base_name)); |
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122 |
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123 return base_name; |
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124 } |
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125 |
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126 |
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127 /* Create a plugin_name_args object for the give plugin and insert it to |
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128 the hash table. This function is called when -fplugin=/path/to/NAME.so |
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129 option is processed. */ |
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130 |
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131 void |
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132 add_new_plugin (const char* plugin_name) |
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133 { |
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134 struct plugin_name_args *plugin; |
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135 void **slot; |
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136 char *base_name = get_plugin_base_name (plugin_name); |
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137 |
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138 /* If this is the first -fplugin= option we encounter, create |
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139 'plugin_name_args_tab' hash table. */ |
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140 if (!plugin_name_args_tab) |
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141 plugin_name_args_tab = htab_create (10, htab_hash_string, htab_str_eq, |
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142 NULL); |
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143 |
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144 slot = htab_find_slot (plugin_name_args_tab, base_name, INSERT); |
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145 |
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146 /* If the same plugin (name) has been specified earlier, either emit an |
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147 error or a warning message depending on if they have identical full |
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148 (path) names. */ |
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149 if (*slot) |
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150 { |
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151 plugin = (struct plugin_name_args *) *slot; |
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152 if (strcmp (plugin->full_name, plugin_name)) |
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153 error ("Plugin %s was specified with different paths:\n%s\n%s", |
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154 plugin->base_name, plugin->full_name, plugin_name); |
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155 return; |
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156 } |
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157 |
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158 plugin = XCNEW (struct plugin_name_args); |
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159 plugin->base_name = base_name; |
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160 plugin->full_name = plugin_name; |
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161 |
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162 *slot = plugin; |
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163 } |
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164 |
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165 |
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166 /* Parse the -fplugin-arg-<name>-<key>[=<value>] option and create a |
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167 'plugin_argument' object for the parsed key-value pair. ARG is |
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168 the <name>-<key>[=<value>] part of the option. */ |
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169 |
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170 void |
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171 parse_plugin_arg_opt (const char *arg) |
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172 { |
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173 size_t len = 0, name_len = 0, key_len = 0, value_len = 0; |
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174 const char *ptr, *name_start = arg, *key_start = NULL, *value_start = NULL; |
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175 char *name, *key, *value; |
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176 void **slot; |
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177 bool name_parsed = false, key_parsed = false; |
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178 |
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179 /* Iterate over the ARG string and identify the starting character position |
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180 of 'name', 'key', and 'value' and their lengths. */ |
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181 for (ptr = arg; *ptr; ++ptr) |
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182 { |
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183 /* Only the first '-' encountered is considered a separator between |
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184 'name' and 'key'. All the subsequent '-'s are considered part of |
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185 'key'. For example, given -fplugin-arg-foo-bar-primary-key=value, |
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186 the plugin name is 'foo' and the key is 'bar-primary-key'. */ |
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187 if (*ptr == '-' && !name_parsed) |
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188 { |
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189 name_len = len; |
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190 len = 0; |
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191 key_start = ptr + 1; |
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192 name_parsed = true; |
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193 continue; |
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194 } |
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195 else if (*ptr == '=') |
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196 { |
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197 if (key_parsed) |
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198 { |
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199 error ("Malformed option -fplugin-arg-%s (multiple '=' signs)", |
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200 arg); |
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201 return; |
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202 } |
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203 key_len = len; |
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204 len = 0; |
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205 value_start = ptr + 1; |
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206 key_parsed = true; |
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207 continue; |
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208 } |
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209 else |
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210 ++len; |
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211 } |
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212 |
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213 if (!key_start) |
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214 { |
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215 error ("Malformed option -fplugin-arg-%s (missing -<key>[=<value>])", |
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216 arg); |
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217 return; |
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218 } |
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219 |
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220 /* If the option doesn't contain the 'value' part, LEN is the KEY_LEN. |
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221 Otherwise, it is the VALUE_LEN. */ |
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222 if (!value_start) |
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223 key_len = len; |
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224 else |
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225 value_len = len; |
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226 |
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227 name = XNEWVEC (char, name_len + 1); |
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228 strncpy (name, name_start, name_len); |
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229 name[name_len] = '\0'; |
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230 |
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231 /* Check if the named plugin has already been specified earlier in the |
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232 command-line. */ |
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233 if (plugin_name_args_tab |
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234 && ((slot = htab_find_slot (plugin_name_args_tab, name, NO_INSERT)) |
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235 != NULL)) |
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236 { |
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237 struct plugin_name_args *plugin = (struct plugin_name_args *) *slot; |
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238 |
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239 key = XNEWVEC (char, key_len + 1); |
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240 strncpy (key, key_start, key_len); |
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241 key[key_len] = '\0'; |
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242 if (value_start) |
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243 { |
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244 value = XNEWVEC (char, value_len + 1); |
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245 strncpy (value, value_start, value_len); |
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246 value[value_len] = '\0'; |
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247 } |
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248 else |
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249 value = NULL; |
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250 |
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251 /* Create a plugin_argument object for the parsed key-value pair. |
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252 If there are already arguments for this plugin, we will need to |
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253 adjust the argument array size by creating a new array and deleting |
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254 the old one. If the performance ever becomes an issue, we can |
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255 change the code by pre-allocating a larger array first. */ |
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256 if (plugin->argc > 0) |
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257 { |
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258 struct plugin_argument *args = XNEWVEC (struct plugin_argument, |
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259 plugin->argc + 1); |
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260 memcpy (args, plugin->argv, |
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261 sizeof (struct plugin_argument) * plugin->argc); |
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262 XDELETEVEC (plugin->argv); |
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263 plugin->argv = args; |
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264 ++plugin->argc; |
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265 } |
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266 else |
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267 { |
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268 gcc_assert (plugin->argv == NULL); |
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269 plugin->argv = XNEWVEC (struct plugin_argument, 1); |
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270 plugin->argc = 1; |
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271 } |
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272 |
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273 plugin->argv[plugin->argc - 1].key = key; |
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274 plugin->argv[plugin->argc - 1].value = value; |
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275 } |
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276 else |
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277 error ("Plugin %s should be specified before -fplugin-arg-%s " |
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278 "in the command line", name, arg); |
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279 |
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280 /* We don't need the plugin's name anymore. Just release it. */ |
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281 XDELETEVEC (name); |
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282 } |
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283 |
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284 /* Register additional plugin information. NAME is the name passed to |
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285 plugin_init. INFO is the information that should be registered. */ |
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286 |
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287 static void |
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288 register_plugin_info (const char* name, struct plugin_info *info) |
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289 { |
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290 void **slot = htab_find_slot (plugin_name_args_tab, name, NO_INSERT); |
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291 struct plugin_name_args *plugin = (struct plugin_name_args *) *slot; |
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292 plugin->version = info->version; |
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293 plugin->help = info->help; |
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294 } |
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295 |
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296 /* Helper function for the event hash table that compares the name of an |
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297 existing entry (E1) with the given string (S2). */ |
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298 |
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299 static int |
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300 htab_event_eq (const void *e1, const void *s2) |
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301 { |
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302 const char *s1= *(const char * const *) e1; |
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303 return !strcmp (s1, (const char *) s2); |
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304 } |
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305 |
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306 /* Look up the event id for NAME. If the name is not found, return -1 |
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307 if INSERT is NO_INSERT. */ |
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308 |
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309 int |
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|
310 get_named_event_id (const char *name, enum insert_option insert) |
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311 { |
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312 void **slot; |
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313 |
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314 if (!event_tab) |
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315 { |
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316 int i; |
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317 |
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318 event_tab = htab_create (150, htab_hash_string, htab_event_eq, NULL); |
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319 for (i = 0; i < event_last; i++) |
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320 { |
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321 slot = htab_find_slot (event_tab, plugin_event_name[i], INSERT); |
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322 gcc_assert (*slot == HTAB_EMPTY_ENTRY); |
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323 *slot = &plugin_event_name[i]; |
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324 } |
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325 } |
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326 slot = htab_find_slot (event_tab, name, insert); |
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327 if (slot == NULL) |
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328 return -1; |
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329 if (*slot != HTAB_EMPTY_ENTRY) |
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330 return (const char **) *slot - &plugin_event_name[0]; |
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331 |
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332 if (event_last >= event_horizon) |
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|
333 { |
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parents:
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334 event_horizon = event_last * 2; |
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parents:
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|
335 if (plugin_event_name == plugin_event_name_init) |
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|
336 { |
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337 plugin_event_name = XNEWVEC (const char *, event_horizon); |
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|
338 memcpy (plugin_event_name, plugin_event_name_init, |
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|
339 sizeof plugin_event_name_init); |
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|
340 plugin_callbacks = XNEWVEC (struct callback_info *, event_horizon); |
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|
341 memcpy (plugin_callbacks, plugin_callbacks_init, |
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|
342 sizeof plugin_callbacks_init); |
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343 } |
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344 else |
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|
345 { |
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346 plugin_event_name |
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347 = XRESIZEVEC (const char *, plugin_event_name, event_horizon); |
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348 plugin_callbacks = XRESIZEVEC (struct callback_info *, |
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|
349 plugin_callbacks, event_horizon); |
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|
350 } |
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|
351 /* All the pointers in the hash table will need to be updated. */ |
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|
352 htab_delete (event_tab); |
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353 event_tab = NULL; |
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|
354 } |
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|
355 else |
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356 *slot = &plugin_event_name[event_last]; |
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357 plugin_event_name[event_last] = name; |
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358 return event_last++; |
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changeset
|
359 } |
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|
360 |
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|
361 /* Called from the plugin's initialization code. Register a single callback. |
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362 This function can be called multiple times. |
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|
363 |
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|
364 PLUGIN_NAME - display name for this plugin |
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|
365 EVENT - which event the callback is for |
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366 CALLBACK - the callback to be called at the event |
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367 USER_DATA - plugin-provided data */ |
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368 |
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369 void |
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370 register_callback (const char *plugin_name, |
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371 int event, |
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372 plugin_callback_func callback, |
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373 void *user_data) |
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374 { |
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|
375 switch (event) |
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|
376 { |
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|
377 case PLUGIN_PASS_MANAGER_SETUP: |
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378 gcc_assert (!callback); |
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379 register_pass ((struct register_pass_info *) user_data); |
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|
380 break; |
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381 case PLUGIN_INFO: |
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382 gcc_assert (!callback); |
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383 register_plugin_info (plugin_name, (struct plugin_info *) user_data); |
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|
384 break; |
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385 case PLUGIN_REGISTER_GGC_ROOTS: |
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386 gcc_assert (!callback); |
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387 ggc_register_root_tab ((const struct ggc_root_tab*) user_data); |
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|
388 break; |
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|
389 case PLUGIN_REGISTER_GGC_CACHES: |
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390 gcc_assert (!callback); |
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391 ggc_register_cache_tab ((const struct ggc_cache_tab*) user_data); |
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changeset
|
392 break; |
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|
393 case PLUGIN_EVENT_FIRST_DYNAMIC: |
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|
394 default: |
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395 if (event < PLUGIN_EVENT_FIRST_DYNAMIC || event >= event_last) |
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|
396 { |
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changeset
|
397 error ("Unknown callback event registered by plugin %s", |
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|
398 plugin_name); |
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|
399 return; |
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|
400 } |
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|
401 /* Fall through. */ |
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|
402 case PLUGIN_FINISH_TYPE: |
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|
403 case PLUGIN_START_UNIT: |
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|
404 case PLUGIN_FINISH_UNIT: |
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|
405 case PLUGIN_PRE_GENERICIZE: |
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406 case PLUGIN_GGC_START: |
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|
407 case PLUGIN_GGC_MARKING: |
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|
408 case PLUGIN_GGC_END: |
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409 case PLUGIN_ATTRIBUTES: |
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|
410 case PLUGIN_PRAGMAS: |
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|
411 case PLUGIN_FINISH: |
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412 case PLUGIN_ALL_PASSES_START: |
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413 case PLUGIN_ALL_PASSES_END: |
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414 case PLUGIN_ALL_IPA_PASSES_START: |
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|
415 case PLUGIN_ALL_IPA_PASSES_END: |
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|
416 case PLUGIN_OVERRIDE_GATE: |
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|
417 case PLUGIN_PASS_EXECUTION: |
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418 case PLUGIN_EARLY_GIMPLE_PASSES_START: |
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|
419 case PLUGIN_EARLY_GIMPLE_PASSES_END: |
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|
420 case PLUGIN_NEW_PASS: |
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changeset
|
421 { |
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changeset
|
422 struct callback_info *new_callback; |
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changeset
|
423 if (!callback) |
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changeset
|
424 { |
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parents:
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changeset
|
425 error ("Plugin %s registered a null callback function " |
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changeset
|
426 "for event %s", plugin_name, plugin_event_name[event]); |
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parents:
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changeset
|
427 return; |
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parents:
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changeset
|
428 } |
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parents:
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|
429 new_callback = XNEW (struct callback_info); |
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|
430 new_callback->plugin_name = plugin_name; |
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parents:
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changeset
|
431 new_callback->func = callback; |
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|
432 new_callback->user_data = user_data; |
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changeset
|
433 new_callback->next = plugin_callbacks[event]; |
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parents:
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changeset
|
434 plugin_callbacks[event] = new_callback; |
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parents:
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changeset
|
435 } |
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parents:
diff
changeset
|
436 break; |
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parents:
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changeset
|
437 } |
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parents:
diff
changeset
|
438 } |
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parents:
diff
changeset
|
439 |
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parents:
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changeset
|
440 /* Remove a callback for EVENT which has been registered with for a plugin |
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parents:
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|
441 PLUGIN_NAME. Return PLUGEVT_SUCCESS if a matching callback was |
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parents:
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changeset
|
442 found & removed, PLUGEVT_NO_CALLBACK if the event does not have a matching |
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parents:
diff
changeset
|
443 callback, and PLUGEVT_NO_SUCH_EVENT if EVENT is invalid. */ |
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parents:
diff
changeset
|
444 int |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
445 unregister_callback (const char *plugin_name, int event) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
446 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
447 struct callback_info *callback, **cbp; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
448 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
449 if (event >= event_last) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
450 return PLUGEVT_NO_SUCH_EVENT; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
451 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
452 for (cbp = &plugin_callbacks[event]; (callback = *cbp); cbp = &callback->next) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
453 if (strcmp (callback->plugin_name, plugin_name) == 0) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
454 { |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
455 *cbp = callback->next; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
456 return PLUGEVT_SUCCESS; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
457 } |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
458 return PLUGEVT_NO_CALLBACK; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
459 } |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
460 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
461 /* Called from inside GCC. Invoke all plug-in callbacks registered with |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
462 the specified event. |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
463 Return PLUGEVT_SUCCESS if at least one callback was called, |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
464 PLUGEVT_NO_CALLBACK if there was no callback. |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
465 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
466 EVENT - the event identifier |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
467 GCC_DATA - event-specific data provided by the compiler */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
468 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
469 int |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
470 invoke_plugin_callbacks (int event, void *gcc_data) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
471 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
472 int retval = PLUGEVT_SUCCESS; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
473 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
474 timevar_push (TV_PLUGIN_RUN); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
475 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
476 switch (event) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
477 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
478 case PLUGIN_EVENT_FIRST_DYNAMIC: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
479 default: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
480 gcc_assert (event >= PLUGIN_EVENT_FIRST_DYNAMIC); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
481 gcc_assert (event < event_last); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
482 /* Fall through. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
483 case PLUGIN_FINISH_TYPE: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
484 case PLUGIN_START_UNIT: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
485 case PLUGIN_FINISH_UNIT: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
486 case PLUGIN_PRE_GENERICIZE: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
487 case PLUGIN_ATTRIBUTES: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
488 case PLUGIN_PRAGMAS: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
489 case PLUGIN_FINISH: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
490 case PLUGIN_GGC_START: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
491 case PLUGIN_GGC_MARKING: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
492 case PLUGIN_GGC_END: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
493 case PLUGIN_ALL_PASSES_START: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
494 case PLUGIN_ALL_PASSES_END: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
495 case PLUGIN_ALL_IPA_PASSES_START: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
496 case PLUGIN_ALL_IPA_PASSES_END: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
497 case PLUGIN_OVERRIDE_GATE: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
498 case PLUGIN_PASS_EXECUTION: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
499 case PLUGIN_EARLY_GIMPLE_PASSES_START: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
500 case PLUGIN_EARLY_GIMPLE_PASSES_END: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
501 case PLUGIN_NEW_PASS: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
502 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
503 /* Iterate over every callback registered with this event and |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
504 call it. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
505 struct callback_info *callback = plugin_callbacks[event]; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
506 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
507 if (!callback) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
508 retval = PLUGEVT_NO_CALLBACK; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
509 for ( ; callback; callback = callback->next) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
510 (*callback->func) (gcc_data, callback->user_data); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
511 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
512 break; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
513 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
514 case PLUGIN_PASS_MANAGER_SETUP: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
515 case PLUGIN_REGISTER_GGC_ROOTS: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
516 case PLUGIN_REGISTER_GGC_CACHES: |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
517 gcc_assert (false); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
518 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
519 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
520 timevar_pop (TV_PLUGIN_RUN); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
521 return retval; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
522 } |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
523 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
524 #ifdef ENABLE_PLUGIN |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
525 /* We need a union to cast dlsym return value to a function pointer |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
526 as ISO C forbids assignment between function pointer and 'void *'. |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
527 Use explicit union instead of __extension__(<union_cast>) for |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
528 portability. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
529 #define PTR_UNION_TYPE(TOTYPE) union { void *_q; TOTYPE _nq; } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
530 #define PTR_UNION_AS_VOID_PTR(NAME) (NAME._q) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
531 #define PTR_UNION_AS_CAST_PTR(NAME) (NAME._nq) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
532 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
533 /* Try to initialize PLUGIN. Return true if successful. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
534 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
535 static bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
536 try_init_one_plugin (struct plugin_name_args *plugin) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
537 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
538 void *dl_handle; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
539 plugin_init_func plugin_init; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
540 const char *err; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
541 PTR_UNION_TYPE (plugin_init_func) plugin_init_union; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
542 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
543 /* We use RTLD_NOW to accelerate binding and detect any mismatch |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
544 between the API expected by the plugin and the GCC API; we use |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
545 RTLD_GLOBAL which is useful to plugins which themselves call |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
546 dlopen. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
547 dl_handle = dlopen (plugin->full_name, RTLD_NOW | RTLD_GLOBAL); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
548 if (!dl_handle) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
549 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
550 error ("Cannot load plugin %s\n%s", plugin->full_name, dlerror ()); |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
551 return false; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
552 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
553 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
554 /* Clear any existing error. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
555 dlerror (); |
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parents:
diff
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|
556 |
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parents:
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|
557 /* Check the plugin license. */ |
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parents:
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|
558 if (dlsym (dl_handle, str_license) == NULL) |
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parents:
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|
559 fatal_error ("plugin %s is not licensed under a GPL-compatible license\n" |
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parents:
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|
560 "%s", plugin->full_name, dlerror ()); |
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parents:
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|
561 |
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parents:
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|
562 PTR_UNION_AS_VOID_PTR (plugin_init_union) = |
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parents:
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changeset
|
563 dlsym (dl_handle, str_plugin_init_func_name); |
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parents:
diff
changeset
|
564 plugin_init = PTR_UNION_AS_CAST_PTR (plugin_init_union); |
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parents:
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changeset
|
565 |
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parents:
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changeset
|
566 if ((err = dlerror ()) != NULL) |
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parents:
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changeset
|
567 { |
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parents:
diff
changeset
|
568 error ("Cannot find %s in plugin %s\n%s", str_plugin_init_func_name, |
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parents:
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changeset
|
569 plugin->full_name, err); |
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parents:
diff
changeset
|
570 return false; |
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parents:
diff
changeset
|
571 } |
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parents:
diff
changeset
|
572 |
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parents:
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|
573 /* Call the plugin-provided initialization routine with the arguments. */ |
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574 if ((*plugin_init) (plugin, &gcc_version)) |
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parents:
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changeset
|
575 { |
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parents:
diff
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|
576 error ("Fail to initialize plugin %s", plugin->full_name); |
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parents:
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577 return false; |
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|
578 } |
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|
579 |
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580 return true; |
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|
581 } |
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|
582 |
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parents:
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|
583 |
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|
584 /* Routine to dlopen and initialize one plugin. This function is passed to |
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|
585 (and called by) the hash table traverse routine. Return 1 for the |
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parents:
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|
586 htab_traverse to continue scan, 0 to stop. |
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parents:
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|
587 |
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parents:
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588 SLOT - slot of the hash table element |
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parents:
diff
changeset
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589 INFO - auxiliary pointer handed to hash table traverse routine |
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parents:
diff
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|
590 (unused in this function) */ |
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parents:
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|
591 |
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parents:
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|
592 static int |
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parents:
diff
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|
593 init_one_plugin (void **slot, void * ARG_UNUSED (info)) |
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parents:
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|
594 { |
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parents:
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|
595 struct plugin_name_args *plugin = (struct plugin_name_args *) *slot; |
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parents:
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596 bool ok = try_init_one_plugin (plugin); |
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parents:
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|
597 if (!ok) |
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parents:
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changeset
|
598 { |
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parents:
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changeset
|
599 htab_remove_elt (plugin_name_args_tab, plugin->base_name); |
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parents:
diff
changeset
|
600 XDELETE (plugin); |
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changeset
|
601 } |
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update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
602 return 1; |
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parents:
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changeset
|
603 } |
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update it from 4.4.3 to 4.5.0
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parents:
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changeset
|
604 |
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parents:
diff
changeset
|
605 #endif /* ENABLE_PLUGIN */ |
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parents:
diff
changeset
|
606 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
607 /* Main plugin initialization function. Called from compile_file() in |
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parents:
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changeset
|
608 toplev.c. */ |
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update it from 4.4.3 to 4.5.0
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parents:
diff
changeset
|
609 |
77e2b8dfacca
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parents:
diff
changeset
|
610 void |
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parents:
diff
changeset
|
611 initialize_plugins (void) |
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parents:
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changeset
|
612 { |
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parents:
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changeset
|
613 /* If no plugin was specified in the command-line, simply return. */ |
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parents:
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changeset
|
614 if (!plugin_name_args_tab) |
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parents:
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changeset
|
615 return; |
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parents:
diff
changeset
|
616 |
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parents:
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changeset
|
617 timevar_push (TV_PLUGIN_INIT); |
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parents:
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changeset
|
618 |
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parents:
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changeset
|
619 #ifdef ENABLE_PLUGIN |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
620 /* Traverse and initialize each plugin specified in the command-line. */ |
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parents:
diff
changeset
|
621 htab_traverse_noresize (plugin_name_args_tab, init_one_plugin, NULL); |
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parents:
diff
changeset
|
622 #endif |
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parents:
diff
changeset
|
623 |
77e2b8dfacca
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parents:
diff
changeset
|
624 timevar_pop (TV_PLUGIN_INIT); |
77e2b8dfacca
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parents:
diff
changeset
|
625 } |
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parents:
diff
changeset
|
626 |
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parents:
diff
changeset
|
627 /* Release memory used by one plugin. */ |
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parents:
diff
changeset
|
628 |
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parents:
diff
changeset
|
629 static int |
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parents:
diff
changeset
|
630 finalize_one_plugin (void **slot, void * ARG_UNUSED (info)) |
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parents:
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changeset
|
631 { |
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parents:
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changeset
|
632 struct plugin_name_args *plugin = (struct plugin_name_args *) *slot; |
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parents:
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changeset
|
633 XDELETE (plugin); |
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parents:
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changeset
|
634 return 1; |
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parents:
diff
changeset
|
635 } |
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parents:
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changeset
|
636 |
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parents:
diff
changeset
|
637 /* Free memory allocated by the plugin system. */ |
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parents:
diff
changeset
|
638 |
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parents:
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changeset
|
639 void |
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parents:
diff
changeset
|
640 finalize_plugins (void) |
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parents:
diff
changeset
|
641 { |
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parents:
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changeset
|
642 if (!plugin_name_args_tab) |
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parents:
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changeset
|
643 return; |
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parents:
diff
changeset
|
644 |
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parents:
diff
changeset
|
645 /* We can now delete the plugin_name_args object as it will no longer |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
646 be used. Note that base_name and argv fields (both of which were also |
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parents:
diff
changeset
|
647 dynamically allocated) are not freed as they could still be used by |
77e2b8dfacca
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parents:
diff
changeset
|
648 the plugin code. */ |
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parents:
diff
changeset
|
649 |
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parents:
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changeset
|
650 htab_traverse_noresize (plugin_name_args_tab, finalize_one_plugin, NULL); |
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parents:
diff
changeset
|
651 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
652 /* PLUGIN_NAME_ARGS_TAB is no longer needed, just delete it. */ |
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parents:
diff
changeset
|
653 htab_delete (plugin_name_args_tab); |
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parents:
diff
changeset
|
654 plugin_name_args_tab = NULL; |
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parents:
diff
changeset
|
655 } |
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parents:
diff
changeset
|
656 |
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parents:
diff
changeset
|
657 /* Used to pass options to htab_traverse callbacks. */ |
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parents:
diff
changeset
|
658 |
77e2b8dfacca
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parents:
diff
changeset
|
659 struct print_options |
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parents:
diff
changeset
|
660 { |
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parents:
diff
changeset
|
661 FILE *file; |
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parents:
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changeset
|
662 const char *indent; |
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parents:
diff
changeset
|
663 }; |
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parents:
diff
changeset
|
664 |
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parents:
diff
changeset
|
665 /* Print the version of one plugin. */ |
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parents:
diff
changeset
|
666 |
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parents:
diff
changeset
|
667 static int |
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parents:
diff
changeset
|
668 print_version_one_plugin (void **slot, void *data) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
669 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
670 struct print_options *opt = (struct print_options *) data; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
671 struct plugin_name_args *plugin = (struct plugin_name_args *) *slot; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
672 const char *version = plugin->version ? plugin->version : "Unknown version."; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
673 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
674 fprintf (opt->file, " %s%s: %s\n", opt->indent, plugin->base_name, version); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
675 return 1; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
676 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
677 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
678 /* Print the version of each plugin. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
679 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
680 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
681 print_plugins_versions (FILE *file, const char *indent) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
682 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
683 struct print_options opt; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
684 opt.file = file; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
685 opt.indent = indent; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
686 if (!plugin_name_args_tab || htab_elements (plugin_name_args_tab) == 0) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
687 return; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
688 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
689 fprintf (file, "%sVersions of loaded plugins:\n", indent); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
690 htab_traverse_noresize (plugin_name_args_tab, print_version_one_plugin, &opt); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
691 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
692 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
693 /* Print help for one plugin. SLOT is the hash table slot. DATA is the |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
694 argument to htab_traverse_noresize. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
695 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
696 static int |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
697 print_help_one_plugin (void **slot, void *data) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
698 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
699 struct print_options *opt = (struct print_options *) data; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
700 struct plugin_name_args *plugin = (struct plugin_name_args *) *slot; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
701 const char *help = plugin->help ? plugin->help : "No help available ."; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
702 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
703 char *dup = xstrdup (help); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
704 char *p, *nl; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
705 fprintf (opt->file, " %s%s:\n", opt->indent, plugin->base_name); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
706 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
707 for (p = nl = dup; nl; p = nl) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
708 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
709 nl = strchr (nl, '\n'); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
710 if (nl) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
711 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
712 *nl = '\0'; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
713 nl++; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
714 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
715 fprintf (opt->file, " %s %s\n", opt->indent, p); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
716 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
717 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
718 free (dup); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
719 return 1; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
720 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
721 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
722 /* Print help for each plugin. The output goes to FILE and every line starts |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
723 with INDENT. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
724 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
725 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
726 print_plugins_help (FILE *file, const char *indent) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
727 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
728 struct print_options opt; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
729 opt.file = file; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
730 opt.indent = indent; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
731 if (!plugin_name_args_tab || htab_elements (plugin_name_args_tab) == 0) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
732 return; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
733 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
734 fprintf (file, "%sHelp for the loaded plugins:\n", indent); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
735 htab_traverse_noresize (plugin_name_args_tab, print_help_one_plugin, &opt); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
736 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
737 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
738 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
739 /* Return true if plugins have been loaded. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
740 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
741 bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
742 plugins_active_p (void) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
743 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
744 int event; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
745 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
746 for (event = PLUGIN_PASS_MANAGER_SETUP; event < event_last; event++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
747 if (plugin_callbacks[event]) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
748 return true; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
749 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
750 return false; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
751 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
752 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
753 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
754 /* Dump to FILE the names and associated events for all the active |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
755 plugins. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
756 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
757 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
758 dump_active_plugins (FILE *file) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
759 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
760 int event; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
761 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
762 if (!plugins_active_p ()) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
763 return; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
764 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
765 fprintf (file, FMT_FOR_PLUGIN_EVENT " | %s\n", _("Event"), _("Plugins")); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
766 for (event = PLUGIN_PASS_MANAGER_SETUP; event < event_last; event++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
767 if (plugin_callbacks[event]) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
768 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
769 struct callback_info *ci; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
770 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
771 fprintf (file, FMT_FOR_PLUGIN_EVENT " |", plugin_event_name[event]); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
772 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
773 for (ci = plugin_callbacks[event]; ci; ci = ci->next) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
774 fprintf (file, " %s", ci->plugin_name); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
775 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
776 putc('\n', file); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
777 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
778 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
779 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
780 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
781 /* Dump active plugins to stderr. */ |
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782 |
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783 void |
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784 debug_active_plugins (void) |
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785 { |
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786 dump_active_plugins (stderr); |
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787 } |
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788 |
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789 /* The default version check. Compares every field in VERSION. */ |
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790 |
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791 bool |
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792 plugin_default_version_check (struct plugin_gcc_version *gcc_version, |
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793 struct plugin_gcc_version *plugin_version) |
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794 { |
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795 if (!gcc_version || !plugin_version) |
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796 return false; |
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797 |
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798 if (strcmp (gcc_version->basever, plugin_version->basever)) |
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799 return false; |
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800 if (strcmp (gcc_version->datestamp, plugin_version->datestamp)) |
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801 return false; |
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802 if (strcmp (gcc_version->devphase, plugin_version->devphase)) |
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803 return false; |
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804 if (strcmp (gcc_version->revision, plugin_version->revision)) |
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805 return false; |
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806 if (strcmp (gcc_version->configuration_arguments, |
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807 plugin_version->configuration_arguments)) |
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808 return false; |
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809 return true; |
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810 } |
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811 |
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812 /* Return the current value of event_last, so that plugins which provide |
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813 additional functionality for events for the benefit of high-level plugins |
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814 know how many valid entries plugin_event_name holds. */ |
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815 |
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816 int |
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817 get_event_last (void) |
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818 { |
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819 return event_last; |
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820 } |