Mercurial > hg > CbC > CbC_gcc
annotate gcc/hooks.c @ 108:7ad14f446135
add CbC-example/rectypeTest/
| author | Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 14 Jun 2012 20:30:24 +0900 |
| parents | f6334be47118 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* General-purpose hooks. |
|
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2 Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010 |
| 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 (bool, struct gcc_options *) and returns false. */ |
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60 bool |
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61 hook_bool_bool_gcc_optionsp_false (bool a ATTRIBUTE_UNUSED, |
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62 struct gcc_options *opts ATTRIBUTE_UNUSED) |
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63 { |
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64 return false; |
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65 } |
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66 |
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67 /* Generic hook that takes const int, const int) and returns true. */ |
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68 bool hook_bool_const_int_const_int_true (const int a ATTRIBUTE_UNUSED, |
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69 const int b ATTRIBUTE_UNUSED) |
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70 { |
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71 return true; |
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72 } |
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73 |
| 0 | 74 /* Generic hook that takes (enum machine_mode) and returns false. */ |
| 75 bool | |
| 76 hook_bool_mode_false (enum machine_mode mode ATTRIBUTE_UNUSED) | |
| 77 { | |
| 78 return false; | |
| 79 } | |
| 80 | |
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81 /* Generic hook that takes (enum machine_mode) and returns true. */ |
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82 bool |
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83 hook_bool_mode_true (enum machine_mode mode ATTRIBUTE_UNUSED) |
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84 { |
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85 return true; |
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86 } |
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87 |
| 0 | 88 /* Generic hook that takes (enum machine_mode, rtx) and returns false. */ |
| 89 bool | |
| 90 hook_bool_mode_const_rtx_false (enum machine_mode mode ATTRIBUTE_UNUSED, | |
| 91 const_rtx value ATTRIBUTE_UNUSED) | |
| 92 { | |
| 93 return false; | |
| 94 } | |
| 95 | |
| 96 /* Generic hook that takes (enum machine_mode, rtx) and returns true. */ | |
| 97 bool | |
| 98 hook_bool_mode_const_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED, | |
| 99 const_rtx value ATTRIBUTE_UNUSED) | |
| 100 { | |
| 101 return true; | |
| 102 } | |
| 103 | |
| 104 /* Generic hook that takes (FILE *, const char *) and does nothing. */ | |
| 105 void | |
| 106 hook_void_FILEptr_constcharptr (FILE *a ATTRIBUTE_UNUSED, const char *b ATTRIBUTE_UNUSED) | |
| 107 { | |
| 108 } | |
| 109 | |
| 110 /* Used for the TARGET_ASM_CAN_OUTPUT_MI_THUNK hook. */ | |
| 111 bool | |
| 112 hook_bool_const_tree_hwi_hwi_const_tree_false (const_tree a ATTRIBUTE_UNUSED, | |
| 113 HOST_WIDE_INT b ATTRIBUTE_UNUSED, | |
| 114 HOST_WIDE_INT c ATTRIBUTE_UNUSED, | |
| 115 const_tree d ATTRIBUTE_UNUSED) | |
| 116 { | |
| 117 return false; | |
| 118 } | |
| 119 | |
| 120 bool | |
| 121 hook_bool_const_tree_hwi_hwi_const_tree_true (const_tree a ATTRIBUTE_UNUSED, | |
| 122 HOST_WIDE_INT b ATTRIBUTE_UNUSED, | |
| 123 HOST_WIDE_INT c ATTRIBUTE_UNUSED, | |
| 124 const_tree d ATTRIBUTE_UNUSED) | |
| 125 { | |
| 126 return true; | |
| 127 } | |
| 128 | |
| 129 bool | |
| 130 hook_bool_size_t_constcharptr_int_true (size_t a ATTRIBUTE_UNUSED, | |
| 131 const char *b ATTRIBUTE_UNUSED, | |
| 132 int c ATTRIBUTE_UNUSED) | |
| 133 { | |
| 134 return true; | |
| 135 } | |
| 136 | |
| 137 bool | |
| 138 default_can_output_mi_thunk_no_vcall (const_tree a ATTRIBUTE_UNUSED, | |
| 139 HOST_WIDE_INT b ATTRIBUTE_UNUSED, | |
| 140 HOST_WIDE_INT c, | |
| 141 const_tree d ATTRIBUTE_UNUSED) | |
| 142 { | |
| 143 return c == 0; | |
| 144 } | |
| 145 | |
| 146 int | |
| 147 hook_int_const_tree_0 (const_tree a ATTRIBUTE_UNUSED) | |
| 148 { | |
| 149 return 0; | |
| 150 } | |
| 151 | |
| 152 /* ??? Used for comp_type_attributes, which ought to return bool. */ | |
| 153 int | |
| 154 hook_int_const_tree_const_tree_1 (const_tree a ATTRIBUTE_UNUSED, const_tree b ATTRIBUTE_UNUSED) | |
| 155 { | |
| 156 return 1; | |
| 157 } | |
| 158 | |
| 159 int | |
| 160 hook_int_rtx_0 (rtx a ATTRIBUTE_UNUSED) | |
| 161 { | |
| 162 return 0; | |
| 163 } | |
| 164 | |
| 165 int | |
| 166 hook_int_rtx_bool_0 (rtx a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED) | |
| 167 { | |
| 168 return 0; | |
| 169 } | |
| 170 | |
| 171 unsigned int | |
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172 hook_uint_void_0 (void) |
| 0 | 173 { |
| 174 return 0; | |
| 175 } | |
| 176 | |
| 177 void | |
| 178 hook_void_tree (tree a ATTRIBUTE_UNUSED) | |
| 179 { | |
| 180 } | |
| 181 | |
| 182 void | |
| 183 hook_void_constcharptr (const char *a ATTRIBUTE_UNUSED) | |
| 184 { | |
| 185 } | |
| 186 | |
| 187 void | |
| 188 hook_void_tree_treeptr (tree a ATTRIBUTE_UNUSED, tree *b ATTRIBUTE_UNUSED) | |
| 189 { | |
| 190 } | |
| 191 | |
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192 void |
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193 hook_void_int_int (int a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED) |
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194 { |
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195 } |
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196 |
| 0 | 197 bool |
| 198 hook_bool_tree_false (tree a ATTRIBUTE_UNUSED) | |
| 199 { | |
| 200 return false; | |
| 201 } | |
| 202 | |
| 203 bool | |
| 204 hook_bool_const_tree_false (const_tree a ATTRIBUTE_UNUSED) | |
| 205 { | |
| 206 return false; | |
| 207 } | |
| 208 | |
| 209 bool | |
| 210 hook_bool_tree_true (tree a ATTRIBUTE_UNUSED) | |
| 211 { | |
| 212 return true; | |
| 213 } | |
| 214 | |
| 215 bool | |
| 216 hook_bool_const_tree_true (const_tree a ATTRIBUTE_UNUSED) | |
| 217 { | |
| 218 return true; | |
| 219 } | |
| 220 | |
| 221 bool | |
| 222 hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED) | |
| 223 { | |
| 224 return false; | |
| 225 } | |
| 226 | |
| 227 bool | |
|
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228 hook_bool_tree_tree_true (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED) |
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229 { |
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230 return true; |
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231 } |
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232 |
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233 bool |
| 0 | 234 hook_bool_tree_bool_false (tree a ATTRIBUTE_UNUSED, bool b ATTRIBUTE_UNUSED) |
| 235 { | |
| 236 return false; | |
| 237 } | |
| 238 | |
| 239 bool | |
| 240 hook_bool_rtx_false (rtx a ATTRIBUTE_UNUSED) | |
| 241 { | |
| 242 return false; | |
| 243 } | |
| 244 | |
| 245 bool | |
| 246 hook_bool_uintp_uintp_false (unsigned int *a ATTRIBUTE_UNUSED, | |
| 247 unsigned int *b ATTRIBUTE_UNUSED) | |
| 248 { | |
| 249 return false; | |
| 250 } | |
| 251 | |
| 252 bool | |
| 253 hook_bool_rtx_int_int_intp_bool_false (rtx a ATTRIBUTE_UNUSED, | |
| 254 int b ATTRIBUTE_UNUSED, | |
| 255 int c ATTRIBUTE_UNUSED, | |
| 256 int *d ATTRIBUTE_UNUSED, | |
| 257 bool speed_p ATTRIBUTE_UNUSED) | |
| 258 { | |
| 259 return false; | |
| 260 } | |
| 261 | |
| 262 /* Generic hook that takes an rtx and returns it. */ | |
| 263 rtx | |
| 264 hook_rtx_rtx_identity (rtx x) | |
| 265 { | |
| 266 return x; | |
| 267 } | |
| 268 | |
| 269 /* Generic hook that takes an rtx and returns NULL_RTX. */ | |
| 270 rtx | |
| 271 hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED) | |
| 272 { | |
| 273 return NULL; | |
| 274 } | |
| 275 | |
| 276 /* Generic hook that takes a tree and an int and returns NULL_RTX. */ | |
| 277 rtx | |
| 278 hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED) | |
| 279 { | |
| 280 return NULL; | |
| 281 } | |
| 282 | |
| 283 /* Generic hook that takes three trees and returns the last one as is. */ | |
| 284 tree | |
| 285 hook_tree_tree_tree_tree_3rd_identity (tree a ATTRIBUTE_UNUSED, | |
| 286 tree b ATTRIBUTE_UNUSED, tree c) | |
| 287 { | |
| 288 return c; | |
| 289 } | |
| 290 | |
| 291 /* Generic hook that takes a tree and returns a NULL string. */ | |
| 292 const char * | |
| 293 hook_constcharptr_const_tree_null (const_tree t ATTRIBUTE_UNUSED) | |
| 294 { | |
| 295 return NULL; | |
| 296 } | |
| 297 | |
| 298 tree | |
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299 hook_tree_tree_int_treep_bool_null (tree t0 ATTRIBUTE_UNUSED, |
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300 int i ATTRIBUTE_UNUSED, |
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301 tree *p ATTRIBUTE_UNUSED, |
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302 bool ignore ATTRIBUTE_UNUSED) |
| 0 | 303 { |
| 304 return NULL; | |
| 305 } | |
| 306 | |
| 307 tree | |
| 308 hook_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, tree t1 ATTRIBUTE_UNUSED) | |
| 309 { | |
| 310 return NULL; | |
| 311 } | |
| 312 | |
| 313 tree | |
| 314 hook_tree_tree_tree_tree_null (tree t0 ATTRIBUTE_UNUSED, | |
| 315 tree t1 ATTRIBUTE_UNUSED, | |
| 316 tree t2 ATTRIBUTE_UNUSED) | |
| 317 { | |
| 318 return NULL; | |
| 319 } | |
| 320 | |
| 321 /* Generic hook that takes a rtx and returns a NULL string. */ | |
| 322 const char * | |
| 323 hook_constcharptr_const_rtx_null (const_rtx r ATTRIBUTE_UNUSED) | |
| 324 { | |
| 325 return NULL; | |
| 326 } | |
| 327 | |
| 328 const char * | |
| 329 hook_constcharptr_const_tree_const_tree_null (const_tree t0 ATTRIBUTE_UNUSED, | |
| 330 const_tree t1 ATTRIBUTE_UNUSED) | |
| 331 { | |
| 332 return NULL; | |
| 333 } | |
| 334 | |
| 335 const char * | |
| 336 hook_constcharptr_int_const_tree_null (int i ATTRIBUTE_UNUSED, | |
| 337 const_tree t0 ATTRIBUTE_UNUSED) | |
| 338 { | |
| 339 return NULL; | |
| 340 } | |
| 341 | |
| 342 const char * | |
| 343 hook_constcharptr_int_const_tree_const_tree_null (int i ATTRIBUTE_UNUSED, | |
| 344 const_tree t0 ATTRIBUTE_UNUSED, | |
| 345 const_tree t1 ATTRIBUTE_UNUSED) | |
| 346 { | |
| 347 return NULL; | |
| 348 } | |
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349 |
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350 /* Generic hook that takes a const_tree and returns NULL_TREE. */ |
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351 tree |
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352 hook_tree_const_tree_null (const_tree t ATTRIBUTE_UNUSED) |
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353 { |
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354 return NULL; |
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355 } |
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356 |
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357 /* Generic hook that takes a rtx and an int and returns a bool. */ |
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358 |
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359 bool |
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360 hook_bool_rtx_int_false (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED) |
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361 { |
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362 return false; |
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363 } |
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364 |
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365 /* Generic hook that takes a rtx and an int and returns void. */ |
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366 |
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367 void |
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368 hook_void_rtx_int (rtx insn ATTRIBUTE_UNUSED, int mode ATTRIBUTE_UNUSED) |
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369 { |
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370 } |
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371 |
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372 /* Generic hook that takes a struct gcc_options * and returns void. */ |
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373 |
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374 void |
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375 hook_void_gcc_optionsp (struct gcc_options *opts ATTRIBUTE_UNUSED) |
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376 { |
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377 } |