Mercurial > hg > CbC > CbC_gcc
annotate gcc/hooks.c @ 64:d9bee9007a48
Added tag gcc-4.6-20100522 for changeset b7f97abdc517
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 24 May 2010 12:48:09 +0900 |
| parents | b7f97abdc517 |
| children | f6334be47118 |
| rev | line source |
|---|---|
| 0 | 1 /* General-purpose hooks. |
|
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2 Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009 |
| 0 | 3 Free Software Foundation, Inc. |
| 4 | |
| 5 This program is free software; you can redistribute it and/or modify it | |
| 6 under the terms of the GNU General Public License as published by the | |
| 7 Free Software Foundation; either version 3, or (at your option) any | |
| 8 later version. | |
| 9 | |
| 10 This program is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 GNU General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU General Public License | |
| 16 along with this program; see the file COPYING3. If not see | |
|
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17 <http://www.gnu.org/licenses/>. |
| 0 | 18 |
| 19 In other words, you are welcome to use, share and improve this program. | |
| 20 You are forbidden to forbid anyone else to use, share and improve | |
| 21 what you give them. Help stamp out software-hoarding! */ | |
| 22 | |
| 23 /* This file contains generic hooks that can be used as defaults for | |
| 24 target or language-dependent hook initializers. */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "system.h" | |
| 28 #include "coretypes.h" | |
| 29 #include "tm.h" | |
| 30 #include "hooks.h" | |
| 31 | |
| 32 /* Generic hook that does absolutely zappo. */ | |
| 33 void | |
| 34 hook_void_void (void) | |
| 35 { | |
| 36 } | |
| 37 | |
| 38 /* Generic hook that takes no arguments and returns false. */ | |
| 39 bool | |
| 40 hook_bool_void_false (void) | |
| 41 { | |
| 42 return false; | |
| 43 } | |
| 44 | |
| 45 /* Generic hook that takes no arguments and returns true. */ | |
| 46 bool | |
| 47 hook_bool_void_true (void) | |
| 48 { | |
| 49 return true; | |
| 50 } | |
| 51 | |
| 52 /* Generic hook that takes (bool) and returns false. */ | |
| 53 bool | |
| 54 hook_bool_bool_false (bool a ATTRIBUTE_UNUSED) | |
| 55 { | |
| 56 return false; | |
| 57 } | |
| 58 | |
|
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59 /* Generic hook that takes const int, const int) and returns true. */ |
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60 bool hook_bool_const_int_const_int_true (const int a ATTRIBUTE_UNUSED, |
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61 const int b ATTRIBUTE_UNUSED) |
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62 { |
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63 return true; |
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64 } |
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65 |
| 0 | 66 /* Generic hook that takes (enum machine_mode) and returns false. */ |
| 67 bool | |
| 68 hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED) | |
| 69 { | |
| 70 return false; | |
| 71 } | |
| 72 | |
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73 /* Generic hook that takes (enum machine_mode) and returns true. */ |
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74 bool |
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75 hook_bool_mode_true (enum machine_mode mode ATTRIBUTE_UNUSED) |
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76 { |
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77 return true; |
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78 } |
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79 |
| 0 | 80 /* Generic hook that takes (enum machine_mode, rtx) and returns false. */ |
| 81 bool | |
| 82 hook_bool_mode_const_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED, | |
| 83 const_rtx value ATTRIBUTE_UNUSED) | |
| 84 { | |
| 85 return false; | |
| 86 } | |
| 87 | |
| 88 /* Generic hook that takes (enum machine_mode, rtx) and returns true. */ | |
| 89 bool | |
| 90 hook_bool_mode_const_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED, | |
| 91 const_rtx value ATTRIBUTE_UNUSED) | |
| 92 { | |
| 93 return true; | |
| 94 } | |
| 95 | |
| 96 /* Generic hook that takes (FILE *, const char *) and does nothing. */ | |
| 97 void | |
| 98 hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED, const char *b ATTRIBUTE_UNUSED) | |
| 99 { | |
| 100 } | |
| 101 | |
| 102 /* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */ | |
| 103 bool | |
| 104 hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree a ATTRIBUTE_UNUSED, | |
| 105 HOST_WIDE_INT b ATTRIBUTE_UNUSED, | |
| 106 HOST_WIDE_INT c ATTRIBUTE_UNUSED, | |
| 107 const_tree d ATTRIBUTE_UNUSED) | |
| 108 { | |
| 109 return false; | |
| 110 } | |
| 111 | |
| 112 bool | |
| 113 hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree a ATTRIBUTE_UNUSED, | |
| 114 HOST_WIDE_INT b ATTRIBUTE_UNUSED, | |
| 115 HOST_WIDE_INT c ATTRIBUTE_UNUSED, | |
| 116 const_tree d ATTRIBUTE_UNUSED) | |
| 117 { | |
| 118 return true; | |
| 119 } | |
| 120 | |
| 121 bool | |
| 122 hook_bool_constcharptr_size_t_false (const char *a ATTRIBUTE_UNUSED, | |
| 123 size_t b ATTRIBUTE_UNUSED) | |
| 124 { | |
| 125 return false; | |
| 126 } | |
| 127 | |
| 128 bool | |
| 129 hook_bool_size_t_constcharptr_int_true (size_t a ATTRIBUTE_UNUSED, | |
| 130 const char *b ATTRIBUTE_UNUSED, | |
| 131 int c ATTRIBUTE_UNUSED) | |
| 132 { | |
| 133 return true; | |
| 134 } | |
| 135 | |
| 136 bool | |
| 137 default_can_output_mi_thunk_no_vcall (const_tree a ATTRIBUTE_UNUSED, | |
| 138 HOST_WIDE_INT b ATTRIBUTE_UNUSED, | |
| 139 HOST_WIDE_INT c, | |
| 140 const_tree d ATTRIBUTE_UNUSED) | |
| 141 { | |
| 142 return c == 0; | |
| 143 } | |
| 144 | |
| 145 int | |
| 146 hook_int_const_tree_0 (const_tree a ATTRIBUTE_UNUSED) | |
| 147 { | |
| 148 return 0; | |
| 149 } | |
| 150 | |
| 151 /* ??? Used for comp_type_attributes, which ought to return bool. */ | |
| 152 int | |
| 153 hook_int_const_tree_const_tree_1 (const_tree a ATTRIBUTE_UNUSED, const_tree b ATTRIBUTE_UNUSED) | |
| 154 { | |
| 155 return 1; | |
| 156 } | |
| 157 | |
| 158 int | |
| 159 hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED) | |
| 160 { | |
| 161 return 0; | |
| 162 } | |
| 163 | |
| 164 int | |
| 165 hook_int_rtx_bool_0 (rtx a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED) | |
| 166 { | |
| 167 return 0; | |
| 168 } | |
| 169 | |
| 170 int | |
| 171 hook_int_size_t_constcharptr_int_0 (size_t a ATTRIBUTE_UNUSED, | |
| 172 const char *b ATTRIBUTE_UNUSED, | |
| 173 int c ATTRIBUTE_UNUSED) | |
| 174 { | |
| 175 return 0; | |
| 176 } | |
| 177 | |
| 178 unsigned int | |
| 179 hook_uint_uint_constcharptrptr_0 (unsigned int a ATTRIBUTE_UNUSED, | |
| 180 const char **b ATTRIBUTE_UNUSED) | |
| 181 { | |
| 182 return 0; | |
| 183 } | |
| 184 | |
| 185 void | |
| 186 hook_void_tree (tree a ATTRIBUTE_UNUSED) | |
| 187 { | |
| 188 } | |
| 189 | |
| 190 void | |
| 191 hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED) | |
| 192 { | |
| 193 } | |
| 194 | |
| 195 void | |
| 196 hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED) | |
| 197 { | |
| 198 } | |
| 199 | |
| 200 bool | |
| 201 hook_bool_tree_false (tree a ATTRIBUTE_UNUSED) | |
| 202 { | |
| 203 return false; | |
| 204 } | |
| 205 | |
| 206 bool | |
| 207 hook_bool_const_tree_false (const_tree a ATTRIBUTE_UNUSED) | |
| 208 { | |
| 209 return false; | |
| 210 } | |
| 211 | |
| 212 bool | |
| 213 hook_bool_tree_true (tree a ATTRIBUTE_UNUSED) | |
| 214 { | |
| 215 return true; | |
| 216 } | |
| 217 | |
| 218 bool | |
| 219 hook_bool_const_tree_true (const_tree a ATTRIBUTE_UNUSED) | |
| 220 { | |
| 221 return true; | |
| 222 } | |
| 223 | |
| 224 bool | |
| 225 hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED) | |
| 226 { | |
| 227 return false; | |
| 228 } | |
| 229 | |
| 230 bool | |
|
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231 hook_bool_tree_tree_true (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED) |
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232 { |
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233 return true; |
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234 } |
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235 |
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236 bool |
| 0 | 237 hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED) |
| 238 { | |
| 239 return false; | |
| 240 } | |
| 241 | |
| 242 bool | |
| 243 hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED) | |
| 244 { | |
| 245 return false; | |
| 246 } | |
| 247 | |
| 248 bool | |
| 249 hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED, | |
| 250 unsigned int *b ATTRIBUTE_UNUSED) | |
| 251 { | |
| 252 return false; | |
| 253 } | |
| 254 | |
| 255 bool | |
| 256 hook_bool_rtx_int_int_intp_bool_false (rtx a ATTRIBUTE_UNUSED, | |
| 257 int b ATTRIBUTE_UNUSED, | |
| 258 int c ATTRIBUTE_UNUSED, | |
| 259 int *d ATTRIBUTE_UNUSED, | |
| 260 bool speed_p ATTRIBUTE_UNUSED) | |
| 261 { | |
| 262 return false; | |
| 263 } | |
| 264 | |
| 265 /* Generic hook that takes an rtx and returns it. */ | |
| 266 rtx | |
| 267 hook_rtx_rtx_identity (rtx x) | |
| 268 { | |
| 269 return x; | |
| 270 } | |
| 271 | |
| 272 /* Generic hook that takes an rtx and returns NULL_RTX. */ | |
| 273 rtx | |
| 274 hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED) | |
| 275 { | |
| 276 return NULL; | |
| 277 } | |
| 278 | |
| 279 /* Generic hook that takes a tree and an int and returns NULL_RTX. */ | |
| 280 rtx | |
| 281 hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED) | |
| 282 { | |
| 283 return NULL; | |
| 284 } | |
| 285 | |
| 286 /* Generic hook that takes three trees and returns the last one as is. */ | |
| 287 tree | |
| 288 hook_tree_tree_tree_tree_3rd_identity (tree a ATTRIBUTE_UNUSED, | |
| 289 tree b ATTRIBUTE_UNUSED, tree c) | |
| 290 { | |
| 291 return c; | |
| 292 } | |
| 293 | |
| 294 /* Generic hook that takes a tree and returns a NULL string. */ | |
| 295 const char * | |
| 296 hook_constcharptr_const_tree_null (const_tree t ATTRIBUTE_UNUSED) | |
| 297 { | |
| 298 return NULL; | |
| 299 } | |
| 300 | |
| 301 tree | |
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302 hook_tree_tree_int_treep_bool_null (tree t0 ATTRIBUTE_UNUSED, |
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303 int i ATTRIBUTE_UNUSED, |
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304 tree *p ATTRIBUTE_UNUSED, |
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305 bool ignore ATTRIBUTE_UNUSED) |
| 0 | 306 { |
| 307 return NULL; | |
| 308 } | |
| 309 | |
| 310 tree | |
| 311 hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED) | |
| 312 { | |
| 313 return NULL; | |
| 314 } | |
| 315 | |
| 316 tree | |
| 317 hook_tree_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, | |
| 318 tree t1 ATTRIBUTE_UNUSED, | |
| 319 tree t2 ATTRIBUTE_UNUSED) | |
| 320 { | |
| 321 return NULL; | |
| 322 } | |
| 323 | |
| 324 /* Generic hook that takes a rtx and returns a NULL string. */ | |
| 325 const char * | |
| 326 hook_constcharptr_const_rtx_null (const_rtx r ATTRIBUTE_UNUSED) | |
| 327 { | |
| 328 return NULL; | |
| 329 } | |
| 330 | |
| 331 const char * | |
| 332 hook_constcharptr_const_tree_const_tree_null (const_tree t0 ATTRIBUTE_UNUSED, | |
| 333 const_tree t1 ATTRIBUTE_UNUSED) | |
| 334 { | |
| 335 return NULL; | |
| 336 } | |
| 337 | |
| 338 const char * | |
| 339 hook_constcharptr_int_const_tree_null (int i ATTRIBUTE_UNUSED, | |
| 340 const_tree t0 ATTRIBUTE_UNUSED) | |
| 341 { | |
| 342 return NULL; | |
| 343 } | |
| 344 | |
| 345 const char * | |
| 346 hook_constcharptr_int_const_tree_const_tree_null (int i ATTRIBUTE_UNUSED, | |
| 347 const_tree t0 ATTRIBUTE_UNUSED, | |
| 348 const_tree t1 ATTRIBUTE_UNUSED) | |
| 349 { | |
| 350 return NULL; | |
| 351 } | |
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352 |
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353 /* Generic hook that takes a const_tree and returns NULL_TREE. */ |
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354 tree |
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355 hook_tree_const_tree_null (const_tree t ATTRIBUTE_UNUSED) |
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356 { |
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357 return NULL; |
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358 } |