Mercurial > hg > CbC > CbC_gcc
annotate gcc/system.h @ 158:494b0b89df80 default tip
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Get common system includes and various definitions and declarations based |
| 2 on autoconf macros. | |
| 145 | 3 Copyright (C) 1998-2020 Free Software Foundation, Inc. |
| 0 | 4 |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify it under | |
| 8 the terms of the GNU General Public License as published by the Free | |
| 9 Software Foundation; either version 3, or (at your option) any later | |
| 10 version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 | |
| 22 #ifndef GCC_SYSTEM_H | |
| 23 #define GCC_SYSTEM_H | |
| 24 | |
| 111 | 25 /* Define this so that inttypes.h defines the PRI?64 macros even |
| 26 when compiling with a C++ compiler. Define it here so in the | |
| 27 event inttypes.h gets pulled in by another header it is already | |
| 28 defined. */ | |
| 29 #define __STDC_FORMAT_MACROS | |
| 30 | |
| 0 | 31 /* We must include stdarg.h before stdio.h. */ |
| 32 #include <stdarg.h> | |
| 33 | |
| 34 #ifndef va_copy | |
| 35 # ifdef __va_copy | |
| 111 | 36 # define va_copy(d,s) __va_copy (d, s) |
| 0 | 37 # else |
| 38 # define va_copy(d,s) ((d) = (s)) | |
| 39 # endif | |
| 40 #endif | |
| 41 | |
| 42 #ifdef HAVE_STDDEF_H | |
| 43 # include <stddef.h> | |
| 44 #endif | |
| 45 | |
| 46 #include <stdio.h> | |
| 47 | |
| 48 /* Define a generic NULL if one hasn't already been defined. */ | |
| 49 #ifndef NULL | |
| 50 #define NULL 0 | |
| 51 #endif | |
| 52 | |
| 53 /* Use the unlocked open routines from libiberty. */ | |
| 111 | 54 |
| 55 /* Some of these are #define on some systems, e.g. on AIX to redirect | |
| 56 the names to 64bit capable functions for LARGE_FILES support. These | |
| 57 redefs are pointless here so we can override them. */ | |
| 58 | |
| 59 #undef fopen | |
| 60 #undef freopen | |
| 61 | |
| 62 #define fopen(PATH, MODE) fopen_unlocked (PATH, MODE) | |
| 63 #define fdopen(FILDES, MODE) fdopen_unlocked (FILDES, MODE) | |
| 64 #define freopen(PATH, MODE, STREAM) freopen_unlocked (PATH, MODE, STREAM) | |
| 0 | 65 |
| 66 /* The compiler is not a multi-threaded application and therefore we | |
| 67 do not have to use the locking functions. In fact, using the locking | |
| 68 functions can cause the compiler to be significantly slower under | |
| 69 I/O bound conditions (such as -g -O0 on very large source files). | |
| 70 | |
| 71 HAVE_DECL_PUTC_UNLOCKED actually indicates whether or not the stdio | |
| 72 code is multi-thread safe by default. If it is set to 0, then do | |
| 73 not worry about using the _unlocked functions. | |
| 74 | |
| 75 fputs_unlocked, fwrite_unlocked, and fprintf_unlocked are | |
| 76 extensions and need to be prototyped by hand (since we do not | |
| 77 define _GNU_SOURCE). */ | |
| 78 | |
| 79 #if defined HAVE_DECL_PUTC_UNLOCKED && HAVE_DECL_PUTC_UNLOCKED | |
| 80 | |
| 81 # ifdef HAVE_PUTC_UNLOCKED | |
| 82 # undef putc | |
| 83 # define putc(C, Stream) putc_unlocked (C, Stream) | |
| 84 # endif | |
| 85 # ifdef HAVE_PUTCHAR_UNLOCKED | |
| 86 # undef putchar | |
| 87 # define putchar(C) putchar_unlocked (C) | |
| 88 # endif | |
| 89 # ifdef HAVE_GETC_UNLOCKED | |
| 90 # undef getc | |
| 91 # define getc(Stream) getc_unlocked (Stream) | |
| 92 # endif | |
| 93 # ifdef HAVE_GETCHAR_UNLOCKED | |
| 94 # undef getchar | |
| 95 # define getchar() getchar_unlocked () | |
| 96 # endif | |
| 97 # ifdef HAVE_FPUTC_UNLOCKED | |
| 98 # undef fputc | |
| 99 # define fputc(C, Stream) fputc_unlocked (C, Stream) | |
| 100 # endif | |
| 101 | |
| 111 | 102 #ifdef __cplusplus |
| 103 extern "C" { | |
| 104 #endif | |
| 105 | |
| 0 | 106 # ifdef HAVE_CLEARERR_UNLOCKED |
| 107 # undef clearerr | |
| 108 # define clearerr(Stream) clearerr_unlocked (Stream) | |
| 109 # if defined (HAVE_DECL_CLEARERR_UNLOCKED) && !HAVE_DECL_CLEARERR_UNLOCKED | |
| 110 extern void clearerr_unlocked (FILE *); | |
| 111 # endif | |
| 112 # endif | |
| 113 # ifdef HAVE_FEOF_UNLOCKED | |
| 114 # undef feof | |
| 115 # define feof(Stream) feof_unlocked (Stream) | |
| 116 # if defined (HAVE_DECL_FEOF_UNLOCKED) && !HAVE_DECL_FEOF_UNLOCKED | |
| 117 extern int feof_unlocked (FILE *); | |
| 118 # endif | |
| 119 # endif | |
| 120 # ifdef HAVE_FILENO_UNLOCKED | |
| 121 # undef fileno | |
| 122 # define fileno(Stream) fileno_unlocked (Stream) | |
| 123 # if defined (HAVE_DECL_FILENO_UNLOCKED) && !HAVE_DECL_FILENO_UNLOCKED | |
| 124 extern int fileno_unlocked (FILE *); | |
| 125 # endif | |
| 126 # endif | |
| 127 # ifdef HAVE_FFLUSH_UNLOCKED | |
| 128 # undef fflush | |
| 129 # define fflush(Stream) fflush_unlocked (Stream) | |
| 130 # if defined (HAVE_DECL_FFLUSH_UNLOCKED) && !HAVE_DECL_FFLUSH_UNLOCKED | |
| 131 extern int fflush_unlocked (FILE *); | |
| 132 # endif | |
| 133 # endif | |
| 134 # ifdef HAVE_FGETC_UNLOCKED | |
| 135 # undef fgetc | |
| 136 # define fgetc(Stream) fgetc_unlocked (Stream) | |
| 137 # if defined (HAVE_DECL_FGETC_UNLOCKED) && !HAVE_DECL_FGETC_UNLOCKED | |
| 138 extern int fgetc_unlocked (FILE *); | |
| 139 # endif | |
| 140 # endif | |
| 141 # ifdef HAVE_FGETS_UNLOCKED | |
| 142 # undef fgets | |
| 143 # define fgets(S, n, Stream) fgets_unlocked (S, n, Stream) | |
| 144 # if defined (HAVE_DECL_FGETS_UNLOCKED) && !HAVE_DECL_FGETS_UNLOCKED | |
| 145 extern char *fgets_unlocked (char *, int, FILE *); | |
| 146 # endif | |
| 147 # endif | |
| 148 # ifdef HAVE_FPUTS_UNLOCKED | |
| 149 # undef fputs | |
| 150 # define fputs(String, Stream) fputs_unlocked (String, Stream) | |
| 151 # if defined (HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED | |
| 152 extern int fputs_unlocked (const char *, FILE *); | |
| 153 # endif | |
| 154 # endif | |
| 155 # ifdef HAVE_FERROR_UNLOCKED | |
| 156 # undef ferror | |
| 157 # define ferror(Stream) ferror_unlocked (Stream) | |
| 158 # if defined (HAVE_DECL_FERROR_UNLOCKED) && !HAVE_DECL_FERROR_UNLOCKED | |
| 159 extern int ferror_unlocked (FILE *); | |
| 160 # endif | |
| 161 # endif | |
| 162 # ifdef HAVE_FREAD_UNLOCKED | |
| 163 # undef fread | |
| 164 # define fread(Ptr, Size, N, Stream) fread_unlocked (Ptr, Size, N, Stream) | |
| 165 # if defined (HAVE_DECL_FREAD_UNLOCKED) && !HAVE_DECL_FREAD_UNLOCKED | |
| 166 extern size_t fread_unlocked (void *, size_t, size_t, FILE *); | |
| 167 # endif | |
| 168 # endif | |
| 169 # ifdef HAVE_FWRITE_UNLOCKED | |
| 170 # undef fwrite | |
| 171 # define fwrite(Ptr, Size, N, Stream) fwrite_unlocked (Ptr, Size, N, Stream) | |
| 172 # if defined (HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED | |
| 173 extern size_t fwrite_unlocked (const void *, size_t, size_t, FILE *); | |
| 174 # endif | |
| 175 # endif | |
| 176 # ifdef HAVE_FPRINTF_UNLOCKED | |
| 177 # undef fprintf | |
| 178 /* We can't use a function-like macro here because we don't know if | |
| 179 we have varargs macros. */ | |
| 180 # define fprintf fprintf_unlocked | |
| 181 # if defined (HAVE_DECL_FPRINTF_UNLOCKED) && !HAVE_DECL_FPRINTF_UNLOCKED | |
| 182 extern int fprintf_unlocked (FILE *, const char *, ...); | |
| 183 # endif | |
| 184 # endif | |
| 185 | |
| 111 | 186 #ifdef __cplusplus |
| 187 } | |
| 188 #endif | |
| 189 | |
| 0 | 190 #endif |
| 191 | |
| 192 /* ??? Glibc's fwrite/fread_unlocked macros cause | |
| 193 "warning: signed and unsigned type in conditional expression". */ | |
| 194 #undef fread_unlocked | |
| 195 #undef fwrite_unlocked | |
| 196 | |
| 111 | 197 /* Include <string> before "safe-ctype.h" to avoid GCC poisoning |
| 198 the ctype macros through safe-ctype.h */ | |
| 199 | |
| 200 #ifdef __cplusplus | |
| 201 #ifdef INCLUDE_STRING | |
| 202 # include <string> | |
| 203 #endif | |
| 204 #endif | |
| 205 | |
| 0 | 206 /* There are an extraordinary number of issues with <ctype.h>. |
| 207 The last straw is that it varies with the locale. Use libiberty's | |
| 208 replacement instead. */ | |
|
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parents:
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209 #include "safe-ctype.h" |
| 0 | 210 |
| 211 #include <sys/types.h> | |
| 212 | |
| 213 #include <errno.h> | |
| 214 | |
| 215 #if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO | |
| 216 extern int errno; | |
| 217 #endif | |
| 218 | |
|
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219 #ifdef __cplusplus |
| 111 | 220 #if defined (INCLUDE_ALGORITHM) || !defined (HAVE_SWAP_IN_UTILITY) |
| 221 # include <algorithm> | |
| 222 #endif | |
| 223 #ifdef INCLUDE_LIST | |
| 224 # include <list> | |
| 225 #endif | |
| 226 #ifdef INCLUDE_MAP | |
| 227 # include <map> | |
| 228 #endif | |
| 229 #ifdef INCLUDE_SET | |
| 230 # include <set> | |
| 231 #endif | |
| 232 #ifdef INCLUDE_VECTOR | |
| 233 # include <vector> | |
| 234 #endif | |
|
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235 # include <cstring> |
| 111 | 236 # include <new> |
| 237 # include <utility> | |
|
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238 #endif |
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239 |
| 0 | 240 /* Some of glibc's string inlines cause warnings. Plus we'd rather |
| 241 rely on (and therefore test) GCC's string builtins. */ | |
| 242 #define __NO_STRING_INLINES | |
| 243 | |
| 244 #ifdef STRING_WITH_STRINGS | |
| 245 # include <string.h> | |
| 246 # include <strings.h> | |
| 247 #else | |
| 248 # ifdef HAVE_STRING_H | |
| 249 # include <string.h> | |
| 250 # else | |
| 251 # ifdef HAVE_STRINGS_H | |
| 252 # include <strings.h> | |
| 253 # endif | |
| 254 # endif | |
| 255 #endif | |
| 256 | |
| 257 #ifdef HAVE_STDLIB_H | |
| 258 # include <stdlib.h> | |
| 259 #endif | |
| 260 | |
| 111 | 261 /* When compiling C++ we need to include <cstdlib> as well as <stdlib.h> so |
| 262 that it is processed before we poison "malloc"; otherwise, if a source | |
| 263 file uses a standard library header that includes <cstdlib>, we will get | |
| 264 an error about 'using std::malloc'. */ | |
| 265 #ifdef __cplusplus | |
| 266 #include <cstdlib> | |
| 267 #endif | |
| 268 | |
| 269 /* Undef vec_free from AIX stdlib.h header which conflicts with vec.h. */ | |
| 270 #undef vec_free | |
| 271 | |
| 0 | 272 /* If we don't have an overriding definition, set SUCCESS_EXIT_CODE and |
| 273 FATAL_EXIT_CODE to EXIT_SUCCESS and EXIT_FAILURE respectively, | |
| 274 or 0 and 1 if those macros are not defined. */ | |
| 275 #ifndef SUCCESS_EXIT_CODE | |
| 276 # ifdef EXIT_SUCCESS | |
| 277 # define SUCCESS_EXIT_CODE EXIT_SUCCESS | |
| 278 # else | |
| 279 # define SUCCESS_EXIT_CODE 0 | |
| 280 # endif | |
| 281 #endif | |
| 282 | |
| 283 #ifndef FATAL_EXIT_CODE | |
| 284 # ifdef EXIT_FAILURE | |
| 285 # define FATAL_EXIT_CODE EXIT_FAILURE | |
| 286 # else | |
| 287 # define FATAL_EXIT_CODE 1 | |
| 288 # endif | |
| 289 #endif | |
| 290 | |
| 291 #define ICE_EXIT_CODE 4 | |
| 292 | |
| 293 #ifdef HAVE_UNISTD_H | |
| 294 # include <unistd.h> | |
| 295 #endif | |
| 296 | |
| 297 #ifdef HAVE_SYS_PARAM_H | |
| 298 # include <sys/param.h> | |
| 111 | 299 /* We use these identifiers later and they appear in some vendor param.h's. */ |
| 0 | 300 # undef PREFETCH |
| 111 | 301 # undef m_slot |
| 0 | 302 #endif |
| 303 | |
| 304 #if HAVE_LIMITS_H | |
| 305 # include <limits.h> | |
| 306 #endif | |
| 307 | |
| 308 /* A macro to determine whether a VALUE lies inclusively within a | |
| 309 certain range without evaluating the VALUE more than once. This | |
| 310 macro won't warn if the VALUE is unsigned and the LOWER bound is | |
| 311 zero, as it would e.g. with "VALUE >= 0 && ...". Note the LOWER | |
| 312 bound *is* evaluated twice, and LOWER must not be greater than | |
| 313 UPPER. However the bounds themselves can be either positive or | |
| 314 negative. */ | |
| 315 #define IN_RANGE(VALUE, LOWER, UPPER) \ | |
| 316 ((unsigned HOST_WIDE_INT) (VALUE) - (unsigned HOST_WIDE_INT) (LOWER) \ | |
| 317 <= (unsigned HOST_WIDE_INT) (UPPER) - (unsigned HOST_WIDE_INT) (LOWER)) | |
| 318 | |
| 319 /* Infrastructure for defining missing _MAX and _MIN macros. Note that | |
| 320 macros defined with these cannot be used in #if. */ | |
| 321 | |
| 322 /* The extra casts work around common compiler bugs. */ | |
| 323 #define INTTYPE_SIGNED(t) (! ((t) 0 < (t) -1)) | |
| 324 /* The outer cast is needed to work around a bug in Cray C 5.0.3.0. | |
| 325 It is necessary at least when t == time_t. */ | |
| 326 #define INTTYPE_MINIMUM(t) ((t) (INTTYPE_SIGNED (t) \ | |
| 111 | 327 ? (t) 1 << (sizeof (t) * CHAR_BIT - 1) : (t) 0)) |
| 0 | 328 #define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t))) |
| 329 | |
| 330 /* Use that infrastructure to provide a few constants. */ | |
| 331 #ifndef UCHAR_MAX | |
| 332 # define UCHAR_MAX INTTYPE_MAXIMUM (unsigned char) | |
| 333 #endif | |
| 334 | |
| 335 #ifdef TIME_WITH_SYS_TIME | |
| 336 # include <sys/time.h> | |
| 337 # include <time.h> | |
| 338 #else | |
| 339 # if HAVE_SYS_TIME_H | |
| 340 # include <sys/time.h> | |
| 341 # else | |
| 342 # ifdef HAVE_TIME_H | |
| 343 # include <time.h> | |
| 344 # endif | |
| 345 # endif | |
| 346 #endif | |
| 347 | |
| 348 #ifdef HAVE_FCNTL_H | |
| 349 # include <fcntl.h> | |
| 350 #else | |
| 351 # ifdef HAVE_SYS_FILE_H | |
| 352 # include <sys/file.h> | |
| 353 # endif | |
| 354 #endif | |
| 355 | |
| 356 #ifndef SEEK_SET | |
| 357 # define SEEK_SET 0 | |
| 358 # define SEEK_CUR 1 | |
| 359 # define SEEK_END 2 | |
| 360 #endif | |
| 361 #ifndef F_OK | |
| 362 # define F_OK 0 | |
| 363 # define X_OK 1 | |
| 364 # define W_OK 2 | |
| 365 # define R_OK 4 | |
| 366 #endif | |
| 367 #ifndef O_RDONLY | |
| 368 # define O_RDONLY 0 | |
| 369 #endif | |
| 370 #ifndef O_WRONLY | |
| 371 # define O_WRONLY 1 | |
| 372 #endif | |
|
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
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373 #ifndef O_BINARY |
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parents:
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374 # define O_BINARY 0 |
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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375 #endif |
| 0 | 376 |
| 377 /* Some systems define these in, e.g., param.h. We undefine these names | |
| 378 here to avoid the warnings. We prefer to use our definitions since we | |
| 379 know they are correct. */ | |
| 380 | |
| 381 #undef MIN | |
| 382 #undef MAX | |
| 383 #define MIN(X,Y) ((X) < (Y) ? (X) : (Y)) | |
| 384 #define MAX(X,Y) ((X) > (Y) ? (X) : (Y)) | |
| 385 | |
| 386 /* Returns the least number N such that N * Y >= X. */ | |
| 387 #define CEIL(x,y) (((x) + (y) - 1) / (y)) | |
| 388 | |
| 111 | 389 /* This macro rounds x up to the y boundary. */ |
| 390 #define ROUND_UP(x,y) (((x) + (y) - 1) & ~((y) - 1)) | |
| 391 | |
| 392 /* This macro rounds x down to the y boundary. */ | |
| 393 #define ROUND_DOWN(x,y) ((x) & ~((y) - 1)) | |
| 394 | |
| 0 | 395 #ifdef HAVE_SYS_WAIT_H |
| 396 #include <sys/wait.h> | |
| 397 #endif | |
| 398 | |
| 399 #ifndef WIFSIGNALED | |
| 400 #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f) | |
| 401 #endif | |
| 402 #ifndef WTERMSIG | |
| 403 #define WTERMSIG(S) ((S) & 0x7f) | |
| 404 #endif | |
| 405 #ifndef WIFEXITED | |
| 406 #define WIFEXITED(S) (((S) & 0xff) == 0) | |
| 407 #endif | |
| 408 #ifndef WEXITSTATUS | |
| 409 #define WEXITSTATUS(S) (((S) & 0xff00) >> 8) | |
| 410 #endif | |
| 411 #ifndef WSTOPSIG | |
| 412 #define WSTOPSIG WEXITSTATUS | |
| 413 #endif | |
| 414 #ifndef WCOREDUMP | |
| 415 #define WCOREDUMP(S) ((S) & WCOREFLG) | |
| 416 #endif | |
| 417 #ifndef WCOREFLG | |
| 418 #define WCOREFLG 0200 | |
| 419 #endif | |
| 420 | |
|
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421 #include <signal.h> |
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422 #if !defined (SIGCHLD) && defined (SIGCLD) |
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423 # define SIGCHLD SIGCLD |
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424 #endif |
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425 |
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426 #ifdef HAVE_SYS_MMAN_H |
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427 # include <sys/mman.h> |
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428 #endif |
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429 |
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430 #ifndef MAP_FAILED |
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431 # define MAP_FAILED ((void *)-1) |
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432 #endif |
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433 |
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434 #if !defined (MAP_ANONYMOUS) && defined (MAP_ANON) |
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435 # define MAP_ANONYMOUS MAP_ANON |
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436 #endif |
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437 |
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438 #ifdef HAVE_SYS_RESOURCE_H |
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439 # include <sys/resource.h> |
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440 #endif |
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441 |
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442 #ifdef HAVE_SYS_TIMES_H |
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443 # include <sys/times.h> |
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444 #endif |
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445 |
| 0 | 446 /* The HAVE_DECL_* macros are three-state, undefined, 0 or 1. If they |
| 447 are defined to 0 then we must provide the relevant declaration | |
| 448 here. These checks will be in the undefined state while configure | |
| 449 is running so be careful to test "defined (HAVE_DECL_*)". */ | |
| 450 | |
| 111 | 451 #ifdef __cplusplus |
| 452 extern "C" { | |
| 453 #endif | |
| 454 | |
| 0 | 455 #if defined (HAVE_DECL_ATOF) && !HAVE_DECL_ATOF |
| 456 extern double atof (const char *); | |
| 457 #endif | |
| 458 | |
| 459 #if defined (HAVE_DECL_ATOL) && !HAVE_DECL_ATOL | |
| 460 extern long atol (const char *); | |
| 461 #endif | |
| 462 | |
| 463 #if defined (HAVE_DECL_FREE) && !HAVE_DECL_FREE | |
| 464 extern void free (void *); | |
| 465 #endif | |
| 466 | |
| 467 #if defined (HAVE_DECL_GETCWD) && !HAVE_DECL_GETCWD | |
| 468 extern char *getcwd (char *, size_t); | |
| 469 #endif | |
| 470 | |
| 471 #if defined (HAVE_DECL_GETENV) && !HAVE_DECL_GETENV | |
| 472 extern char *getenv (const char *); | |
| 473 #endif | |
| 474 | |
| 475 #if defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT | |
| 476 extern int getopt (int, char * const *, const char *); | |
| 477 #endif | |
| 478 | |
| 479 #if defined (HAVE_DECL_GETPAGESIZE) && !HAVE_DECL_GETPAGESIZE | |
| 480 extern int getpagesize (void); | |
| 481 #endif | |
| 482 | |
| 483 #if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD | |
| 484 extern char *getwd (char *); | |
| 485 #endif | |
| 486 | |
| 487 #if defined (HAVE_DECL_SBRK) && !HAVE_DECL_SBRK | |
| 488 extern void *sbrk (int); | |
| 489 #endif | |
| 490 | |
| 111 | 491 #if defined (HAVE_DECL_SETENV) && !HAVE_DECL_SETENV |
| 492 int setenv(const char *, const char *, int); | |
| 493 #endif | |
| 494 | |
| 0 | 495 #if defined (HAVE_DECL_STRSTR) && !HAVE_DECL_STRSTR |
| 496 extern char *strstr (const char *, const char *); | |
| 497 #endif | |
| 498 | |
| 111 | 499 #if defined (HAVE_DECL_STPCPY) && !HAVE_DECL_STPCPY |
| 500 extern char *stpcpy (char *, const char *); | |
| 501 #endif | |
| 502 | |
| 503 #if defined (HAVE_DECL_UNSETENV) && !HAVE_DECL_UNSETENV | |
| 504 int unsetenv(const char *); | |
| 0 | 505 #endif |
| 506 | |
| 507 #if defined (HAVE_DECL_MALLOC) && !HAVE_DECL_MALLOC | |
| 508 extern void *malloc (size_t); | |
| 509 #endif | |
| 510 | |
| 511 #if defined (HAVE_DECL_CALLOC) && !HAVE_DECL_CALLOC | |
| 512 extern void *calloc (size_t, size_t); | |
| 513 #endif | |
| 514 | |
| 515 #if defined (HAVE_DECL_REALLOC) && !HAVE_DECL_REALLOC | |
| 516 extern void *realloc (void *, size_t); | |
| 517 #endif | |
| 518 | |
| 111 | 519 #ifdef __cplusplus |
| 520 } | |
| 521 #endif | |
| 522 | |
|
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523 #ifdef HAVE_STDINT_H |
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524 #include <stdint.h> |
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525 #endif |
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526 |
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527 #ifdef HAVE_INTTYPES_H |
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528 #include <inttypes.h> |
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529 #endif |
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530 |
| 111 | 531 #ifdef __cplusplus |
| 532 extern "C" { | |
| 533 #endif | |
| 534 | |
| 0 | 535 /* If the system doesn't provide strsignal, we get it defined in |
| 536 libiberty but no declaration is supplied. */ | |
| 537 #if !defined (HAVE_STRSIGNAL) \ | |
| 538 || (defined (HAVE_DECL_STRSIGNAL) && !HAVE_DECL_STRSIGNAL) | |
| 539 # ifndef strsignal | |
| 540 extern const char *strsignal (int); | |
| 541 # endif | |
| 542 #endif | |
| 543 | |
| 544 #ifdef HAVE_GETRLIMIT | |
| 545 # if defined (HAVE_DECL_GETRLIMIT) && !HAVE_DECL_GETRLIMIT | |
| 546 # ifndef getrlimit | |
| 547 struct rlimit; | |
| 548 extern int getrlimit (int, struct rlimit *); | |
| 549 # endif | |
| 550 # endif | |
| 551 #endif | |
| 552 | |
| 553 #ifdef HAVE_SETRLIMIT | |
| 554 # if defined (HAVE_DECL_SETRLIMIT) && !HAVE_DECL_SETRLIMIT | |
| 555 # ifndef setrlimit | |
| 556 struct rlimit; | |
| 557 extern int setrlimit (int, const struct rlimit *); | |
| 558 # endif | |
| 559 # endif | |
| 560 #endif | |
| 561 | |
| 562 #if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT | |
| 563 extern void abort (void); | |
| 564 #endif | |
| 565 | |
| 566 #if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF | |
| 567 extern int snprintf (char *, size_t, const char *, ...); | |
| 568 #endif | |
| 569 | |
| 570 #if defined (HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF | |
| 111 | 571 extern int vsnprintf (char *, size_t, const char *, va_list); |
| 572 #endif | |
| 573 | |
| 574 #ifdef __cplusplus | |
| 575 } | |
| 0 | 576 #endif |
| 577 | |
| 578 /* 1 if we have C99 designated initializers. */ | |
| 579 #if !defined(HAVE_DESIGNATED_INITIALIZERS) | |
| 111 | 580 #ifdef __cplusplus |
| 581 #define HAVE_DESIGNATED_INITIALIZERS 0 | |
| 582 #else | |
| 0 | 583 #define HAVE_DESIGNATED_INITIALIZERS \ |
| 111 | 584 ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) |
| 585 #endif | |
| 586 #endif | |
| 587 | |
| 588 #if !defined(HAVE_DESIGNATED_UNION_INITIALIZERS) | |
| 589 #ifdef __cplusplus | |
| 590 #define HAVE_DESIGNATED_UNION_INITIALIZERS (GCC_VERSION >= 4007) | |
| 591 #else | |
| 592 #define HAVE_DESIGNATED_UNION_INITIALIZERS \ | |
| 593 ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) | |
| 594 #endif | |
| 0 | 595 #endif |
| 596 | |
| 597 #if HAVE_SYS_STAT_H | |
| 598 # include <sys/stat.h> | |
| 599 #endif | |
| 600 | |
| 601 /* Test if something is a normal file. */ | |
| 602 #ifndef S_ISREG | |
| 603 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) | |
| 604 #endif | |
| 605 | |
| 606 /* Test if something is a directory. */ | |
| 607 #ifndef S_ISDIR | |
| 608 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) | |
| 609 #endif | |
| 610 | |
| 611 /* Test if something is a character special file. */ | |
| 612 #ifndef S_ISCHR | |
| 613 #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR) | |
| 614 #endif | |
| 615 | |
| 616 /* Test if something is a block special file. */ | |
| 617 #ifndef S_ISBLK | |
| 618 #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK) | |
| 619 #endif | |
| 620 | |
| 621 /* Test if something is a socket. */ | |
| 622 #ifndef S_ISSOCK | |
| 623 # ifdef S_IFSOCK | |
| 624 # define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) | |
| 625 # else | |
| 626 # define S_ISSOCK(m) 0 | |
| 627 # endif | |
| 628 #endif | |
| 629 | |
| 630 /* Test if something is a FIFO. */ | |
| 631 #ifndef S_ISFIFO | |
| 632 # ifdef S_IFIFO | |
| 633 # define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO) | |
| 634 # else | |
| 635 # define S_ISFIFO(m) 0 | |
| 636 # endif | |
| 637 #endif | |
| 638 | |
| 639 /* Define well known filenos if the system does not define them. */ | |
| 640 #ifndef STDIN_FILENO | |
| 641 # define STDIN_FILENO 0 | |
| 642 #endif | |
| 643 #ifndef STDOUT_FILENO | |
| 644 # define STDOUT_FILENO 1 | |
| 645 #endif | |
| 646 #ifndef STDERR_FILENO | |
| 647 # define STDERR_FILENO 2 | |
| 648 #endif | |
| 649 | |
| 650 /* Some systems have mkdir that takes a single argument. */ | |
| 651 #ifdef MKDIR_TAKES_ONE_ARG | |
| 111 | 652 # define mkdir(a,b) mkdir (a) |
| 0 | 653 #endif |
| 654 | |
|
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655 #ifndef HAVE_KILL |
| 111 | 656 # define kill(p,s) raise (s) |
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657 #endif |
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658 |
|
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659 /* Provide a way to print an address via printf. */ |
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660 #ifndef HOST_PTR_PRINTF |
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661 #define HOST_PTR_PRINTF "%p" |
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662 #endif /* ! HOST_PTR_PRINTF */ |
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663 |
| 0 | 664 /* By default, colon separates directories in a path. */ |
| 665 #ifndef PATH_SEPARATOR | |
| 666 #define PATH_SEPARATOR ':' | |
| 667 #endif | |
| 668 | |
| 669 /* Filename handling macros. */ | |
| 670 #include "filenames.h" | |
| 671 | |
| 672 /* These should be phased out in favor of IS_DIR_SEPARATOR, where possible. */ | |
| 673 #ifndef DIR_SEPARATOR | |
| 674 # define DIR_SEPARATOR '/' | |
| 675 # ifdef HAVE_DOS_BASED_FILE_SYSTEM | |
| 676 # define DIR_SEPARATOR_2 '\\' | |
| 677 # endif | |
| 678 #endif | |
| 679 | |
|
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680 #if defined (ENABLE_PLUGIN) && defined (HAVE_DLFCN_H) |
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681 /* If plugin support is enabled, we could use libdl. */ |
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682 #include <dlfcn.h> |
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683 #endif |
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684 |
| 111 | 685 /* Do not introduce a gmp.h dependency on the build system. */ |
| 686 #ifndef GENERATOR_FILE | |
| 687 #include <gmp.h> | |
| 688 #endif | |
| 689 | |
| 0 | 690 /* Get libiberty declarations. */ |
| 691 #include "libiberty.h" | |
| 692 | |
| 111 | 693 #undef FFS /* Some systems predefine this symbol; don't let it interfere. */ |
| 694 #undef FLOAT /* Likewise. */ | |
| 695 #undef ABS /* Likewise. */ | |
| 696 #undef PC /* Likewise. */ | |
| 697 | |
| 0 | 698 /* Provide a default for the HOST_BIT_BUCKET. |
| 699 This suffices for POSIX-like hosts. */ | |
| 700 | |
| 701 #ifndef HOST_BIT_BUCKET | |
| 702 #define HOST_BIT_BUCKET "/dev/null" | |
| 703 #endif | |
| 704 | |
| 705 #ifndef offsetof | |
| 706 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER) | |
| 707 #endif | |
| 708 | |
| 709 /* Various error reporting routines want to use __FUNCTION__. */ | |
| 710 #if (GCC_VERSION < 2007) | |
| 711 #ifndef __FUNCTION__ | |
| 712 #define __FUNCTION__ "?" | |
| 713 #endif /* ! __FUNCTION__ */ | |
| 714 #endif | |
| 715 | |
| 716 /* __builtin_expect(A, B) evaluates to A, but notifies the compiler that | |
| 717 the most likely value of A is B. This feature was added at some point | |
| 718 between 2.95 and 3.0. Let's use 3.0 as the lower bound for now. */ | |
| 719 #if (GCC_VERSION < 3000) | |
| 720 #define __builtin_expect(a, b) (a) | |
| 721 #endif | |
| 722 | |
| 111 | 723 /* Some of the headers included by <memory> can use "abort" within a |
| 724 namespace, e.g. "_VSTD::abort();", which fails after we use the | |
| 725 preprocessor to redefine "abort" as "fancy_abort" below. | |
| 726 Given that unique-ptr.h can use "free", we need to do this after "free" | |
| 727 is declared but before "abort" is overridden. */ | |
| 728 | |
| 729 #ifdef INCLUDE_UNIQUE_PTR | |
| 730 # include "unique-ptr.h" | |
| 731 #endif | |
| 732 | |
| 145 | 733 #ifdef INCLUDE_MALLOC_H |
| 734 #ifdef HAVE_MALLINFO | |
| 735 #include <malloc.h> | |
| 736 #endif | |
| 737 #endif | |
| 738 | |
| 0 | 739 /* Redefine abort to report an internal error w/o coredump, and |
| 740 reporting the location of the error in the source file. */ | |
| 111 | 741 extern void fancy_abort (const char *, int, const char *) |
| 742 ATTRIBUTE_NORETURN ATTRIBUTE_COLD; | |
| 0 | 743 #define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__) |
| 744 | |
| 745 /* Use gcc_assert(EXPR) to test invariants. */ | |
| 746 #if ENABLE_ASSERT_CHECKING | |
| 747 #define gcc_assert(EXPR) \ | |
| 748 ((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0)) | |
|
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749 #elif (GCC_VERSION >= 4005) |
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750 #define gcc_assert(EXPR) \ |
| 111 | 751 ((void)(__builtin_expect (!(EXPR), 0) ? __builtin_unreachable (), 0 : 0)) |
| 0 | 752 #else |
| 753 /* Include EXPR, so that unused variable warnings do not occur. */ | |
| 754 #define gcc_assert(EXPR) ((void)(0 && (EXPR))) | |
| 755 #endif | |
| 756 | |
| 111 | 757 #if CHECKING_P |
|
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758 #define gcc_checking_assert(EXPR) gcc_assert (EXPR) |
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759 #else |
| 111 | 760 /* N.B.: in release build EXPR is not evaluated. */ |
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761 #define gcc_checking_assert(EXPR) ((void)(0 && (EXPR))) |
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762 #endif |
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763 |
| 111 | 764 #if GCC_VERSION >= 4000 |
| 765 #define ALWAYS_INLINE inline __attribute__ ((always_inline)) | |
| 766 #else | |
| 767 #define ALWAYS_INLINE inline | |
| 768 #endif | |
| 769 | |
| 0 | 770 /* Use gcc_unreachable() to mark unreachable locations (like an |
| 771 unreachable default case of a switch. Do not use gcc_assert(0). */ | |
|
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772 #if (GCC_VERSION >= 4005) && !ENABLE_ASSERT_CHECKING |
| 111 | 773 #define gcc_unreachable() __builtin_unreachable () |
|
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774 #else |
| 0 | 775 #define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__)) |
|
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776 #endif |
| 0 | 777 |
| 111 | 778 #if GCC_VERSION >= 7000 && defined(__has_attribute) |
| 779 # if __has_attribute(fallthrough) | |
| 780 # define gcc_fallthrough() __attribute__((fallthrough)) | |
| 781 # else | |
| 782 # define gcc_fallthrough() | |
| 783 # endif | |
| 784 #else | |
| 785 # define gcc_fallthrough() | |
| 786 #endif | |
| 787 | |
| 788 #if GCC_VERSION >= 3001 | |
| 789 #define STATIC_CONSTANT_P(X) (__builtin_constant_p (X) && (X)) | |
| 790 #else | |
| 791 #define STATIC_CONSTANT_P(X) (false && (X)) | |
| 792 #endif | |
| 793 | |
| 794 /* static_assert (COND, MESSAGE) is available in C++11 onwards. */ | |
| 795 #if __cplusplus >= 201103L | |
| 796 #define STATIC_ASSERT(X) \ | |
| 797 static_assert ((X), #X) | |
| 798 #else | |
| 799 #define STATIC_ASSERT(X) \ | |
| 800 typedef int assertion1[(X) ? 1 : -1] ATTRIBUTE_UNUSED | |
| 801 #endif | |
| 802 | |
| 0 | 803 /* Provide a fake boolean type. We make no attempt to use the |
| 804 C99 _Bool, as it may not be available in the bootstrap compiler, | |
| 805 and even if it is, it is liable to be buggy. | |
| 806 This must be after all inclusion of system headers, as some of | |
| 807 them will mess us up. */ | |
| 808 | |
| 809 #undef TRUE | |
| 810 #undef FALSE | |
| 811 | |
| 812 #ifdef __cplusplus | |
| 813 /* Obsolete. */ | |
| 814 # define TRUE true | |
| 815 # define FALSE false | |
| 816 #else /* !__cplusplus */ | |
| 817 # undef bool | |
| 818 # undef true | |
| 819 # undef false | |
| 820 | |
| 821 # define bool unsigned char | |
| 822 # define true 1 | |
| 823 # define false 0 | |
| 824 | |
| 825 /* Obsolete. */ | |
| 826 # define TRUE true | |
| 827 # define FALSE false | |
| 828 #endif /* !__cplusplus */ | |
| 829 | |
| 830 /* Some compilers do not allow the use of unsigned char in bitfields. */ | |
| 831 #define BOOL_BITFIELD unsigned int | |
| 832 | |
| 131 | 833 /* GCC older than 4.4 have broken C++ value initialization handling, see |
| 834 PR11309, PR30111, PR33916, PR82939 and PR84405 for more details. */ | |
| 835 #if GCC_VERSION > 0 && GCC_VERSION < 4004 && !defined(__clang__) | |
| 836 # define BROKEN_VALUE_INITIALIZATION | |
| 837 #endif | |
| 838 | |
| 0 | 839 /* As the last action in this file, we poison the identifiers that |
| 840 shouldn't be used. Note, luckily gcc-3.0's token-based integrated | |
| 841 preprocessor won't trip on poisoned identifiers that arrive from | |
| 842 the expansion of macros. E.g. #define strrchr rindex, won't error | |
| 843 if rindex is poisoned after this directive is issued and later on | |
| 844 strrchr is called. | |
| 845 | |
| 846 Note: We define bypass macros for the few cases where we really | |
| 847 want to use the libc memory allocation routines. Otherwise we | |
| 848 insist you use the "x" versions from libiberty. */ | |
| 849 | |
| 850 #define really_call_malloc malloc | |
| 851 #define really_call_calloc calloc | |
| 852 #define really_call_realloc realloc | |
| 853 | |
| 854 #if defined(FLEX_SCANNER) || defined(YYBISON) || defined(YYBYACC) | |
| 855 /* Flex and bison use malloc and realloc. Yuk. Note that this means | |
| 856 really_call_* cannot be used in a .l or .y file. */ | |
| 857 #define malloc xmalloc | |
| 858 #define realloc xrealloc | |
| 859 #endif | |
| 860 | |
| 861 #if (GCC_VERSION >= 3000) | |
| 862 | |
| 863 /* Note autoconf checks for prototype declarations and includes | |
| 864 system.h while doing so. Only poison these tokens if actually | |
| 865 compiling gcc, so that the autoconf declaration tests for malloc | |
| 866 etc don't spuriously fail. */ | |
| 867 #ifdef IN_GCC | |
| 111 | 868 |
| 869 #ifndef USES_ISL | |
| 0 | 870 #undef calloc |
| 871 #undef strdup | |
| 111 | 872 #undef strndup |
| 873 #pragma GCC poison calloc strdup strndup | |
| 874 #endif | |
| 0 | 875 |
| 876 #if !defined(FLEX_SCANNER) && !defined(YYBISON) | |
| 877 #undef malloc | |
| 878 #undef realloc | |
| 879 #pragma GCC poison malloc realloc | |
| 880 #endif | |
| 881 | |
|
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882 /* The %m format should be used when GCC's main diagnostic functions |
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883 supporting %m are available, and xstrerror from libiberty |
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884 otherwise. */ |
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885 #undef strerror |
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886 #pragma GCC poison strerror |
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887 |
| 111 | 888 /* loc_t is defined on some systems and too inviting for some |
| 889 programmers to avoid. */ | |
| 890 #undef loc_t | |
| 891 #pragma GCC poison loc_t | |
| 892 | |
| 0 | 893 /* Old target macros that have moved to the target hooks structure. */ |
| 894 #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN \ | |
| 895 FUNCTION_PROLOGUE FUNCTION_EPILOGUE \ | |
| 896 FUNCTION_END_PROLOGUE FUNCTION_BEGIN_EPILOGUE \ | |
| 897 DECL_MACHINE_ATTRIBUTES COMP_TYPE_ATTRIBUTES INSERT_ATTRIBUTES \ | |
| 898 VALID_MACHINE_DECL_ATTRIBUTE VALID_MACHINE_TYPE_ATTRIBUTE \ | |
| 899 SET_DEFAULT_TYPE_ATTRIBUTES SET_DEFAULT_DECL_ATTRIBUTES \ | |
| 900 MERGE_MACHINE_TYPE_ATTRIBUTES MERGE_MACHINE_DECL_ATTRIBUTES \ | |
| 901 MD_INIT_BUILTINS MD_EXPAND_BUILTIN ASM_OUTPUT_CONSTRUCTOR \ | |
| 902 ASM_OUTPUT_DESTRUCTOR SIGNED_CHAR_SPEC MAX_CHAR_TYPE_SIZE \ | |
| 903 WCHAR_UNSIGNED UNIQUE_SECTION SELECT_SECTION SELECT_RTX_SECTION \ | |
| 904 ENCODE_SECTION_INFO STRIP_NAME_ENCODING ASM_GLOBALIZE_LABEL \ | |
| 905 ASM_OUTPUT_MI_THUNK CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS \ | |
| 906 ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END \ | |
| 907 ASM_SIMPLIFY_DWARF_ADDR INIT_TARGET_OPTABS INIT_SUBTARGET_OPTABS \ | |
| 908 INIT_GOFAST_OPTABS MULSI3_LIBCALL MULDI3_LIBCALL DIVSI3_LIBCALL \ | |
| 909 DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL \ | |
| 910 MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \ | |
| 911 PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM \ | |
|
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912 ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS PROMOTE_FUNCTION_MODE \ |
| 0 | 913 STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING \ |
| 914 PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM \ | |
| 915 SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS \ | |
| 916 DEFAULT_SHORT_ENUMS SPLIT_COMPLEX_ARGS MD_ASM_CLOBBERS \ | |
| 917 HANDLE_PRAGMA_REDEFINE_EXTNAME HANDLE_PRAGMA_EXTERN_PREFIX \ | |
| 918 MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE \ | |
| 919 VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN \ | |
| 920 FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL \ | |
|
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921 ALLOCATE_INITIAL_VALUE LEGITIMIZE_ADDRESS FRAME_POINTER_REQUIRED \ |
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922 CAN_ELIMINATE TRAMPOLINE_TEMPLATE INITIALIZE_TRAMPOLINE \ |
|
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923 TRAMPOLINE_ADJUST_ADDRESS STATIC_CHAIN STATIC_CHAIN_INCOMING \ |
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924 RETURN_POPS_ARGS UNITS_PER_SIMD_WORD OVERRIDE_OPTIONS \ |
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925 OPTIMIZATION_OPTIONS CLASS_LIKELY_SPILLED_P \ |
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926 USING_SJLJ_EXCEPTIONS TARGET_UNWIND_INFO \ |
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927 CAN_DEBUG_WITHOUT_FP UNLIKELY_EXECUTED_TEXT_SECTION_NAME \ |
| 111 | 928 HOT_TEXT_SECTION_NAME LEGITIMATE_CONSTANT_P ALWAYS_STRIP_DOTDOT \ |
| 929 OUTPUT_ADDR_CONST_EXTRA SMALL_REGISTER_CLASSES ASM_OUTPUT_IDENT \ | |
| 930 ASM_BYTE_OP MEMBER_TYPE_FORCES_BLK LIBGCC2_HAS_SF_MODE \ | |
| 931 LIBGCC2_HAS_DF_MODE LIBGCC2_HAS_XF_MODE LIBGCC2_HAS_TF_MODE \ | |
| 932 CLEAR_BY_PIECES_P MOVE_BY_PIECES_P SET_BY_PIECES_P \ | |
| 933 STORE_BY_PIECES_P TARGET_FLT_EVAL_METHOD \ | |
| 934 HARD_REGNO_CALL_PART_CLOBBERED HARD_REGNO_MODE_OK \ | |
| 935 MODES_TIEABLE_P FUNCTION_ARG_PADDING SLOW_UNALIGNED_ACCESS \ | |
| 936 HARD_REGNO_NREGS SECONDARY_MEMORY_NEEDED_MODE \ | |
| 937 SECONDARY_MEMORY_NEEDED CANNOT_CHANGE_MODE_CLASS \ | |
| 938 TRULY_NOOP_TRUNCATION FUNCTION_ARG_OFFSET CONSTANT_ALIGNMENT \ | |
| 939 STARTING_FRAME_OFFSET | |
| 940 | |
| 941 /* Target macros only used for code built for the target, that have | |
| 942 moved to libgcc-tm.h or have never been present elsewhere. */ | |
| 943 #pragma GCC poison DECLARE_LIBRARY_RENAMES LIBGCC2_GNU_PREFIX \ | |
| 944 MD_UNWIND_SUPPORT MD_FROB_UPDATE_CONTEXT ENABLE_EXECUTE_STACK \ | |
| 945 REG_VALUE_IN_UNWIND_CONTEXT ASSUME_EXTENDED_UNWIND_CONTEXT | |
| 0 | 946 |
| 947 /* Other obsolete target macros, or macros that used to be in target | |
| 948 headers and were not used, and may be obsolete or may never have | |
| 949 been used. */ | |
| 950 #pragma GCC poison INT_ASM_OP ASM_OUTPUT_EH_REGION_BEG CPP_PREDEFINES \ | |
| 951 ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT SMALL_STACK \ | |
| 952 DOESNT_NEED_UNWINDER EH_TABLE_LOOKUP OBJC_SELECTORS_WITHOUT_LABELS \ | |
| 953 OMIT_EH_TABLE EASY_DIV_EXPR IMPLICIT_FIX_EXPR \ | |
| 954 LONGJMP_RESTORE_FROM_STACK MAX_INT_TYPE_SIZE ASM_IDENTIFY_GCC \ | |
| 955 STDC_VALUE TRAMPOLINE_ALIGN ASM_IDENTIFY_GCC_AFTER_SOURCE \ | |
| 956 SLOW_ZERO_EXTEND SUBREG_REGNO_OFFSET DWARF_LINE_MIN_INSTR_LENGTH \ | |
| 957 TRADITIONAL_RETURN_FLOAT NO_BUILTIN_SIZE_TYPE \ | |
| 958 NO_BUILTIN_PTRDIFF_TYPE NO_BUILTIN_WCHAR_TYPE NO_BUILTIN_WINT_TYPE \ | |
| 959 BLOCK_PROFILER BLOCK_PROFILER_CODE FUNCTION_BLOCK_PROFILER \ | |
| 960 FUNCTION_BLOCK_PROFILER_EXIT MACHINE_STATE_SAVE \ | |
| 961 MACHINE_STATE_RESTORE SCCS_DIRECTIVE SECTION_ASM_OP BYTEORDER \ | |
| 962 ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL HOST_WORDS_BIG_ENDIAN \ | |
| 963 OBJC_PROLOGUE ALLOCATE_TRAMPOLINE HANDLE_PRAGMA ROUND_TYPE_SIZE \ | |
| 964 ROUND_TYPE_SIZE_UNIT CONST_SECTION_ASM_OP CRT_GET_RFIB_TEXT \ | |
| 965 DBX_LBRAC_FIRST DBX_OUTPUT_ENUM DBX_OUTPUT_SOURCE_FILENAME \ | |
| 966 DBX_WORKING_DIRECTORY INSN_CACHE_DEPTH INSN_CACHE_SIZE \ | |
| 967 INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT \ | |
| 968 EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER \ | |
| 969 LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES \ | |
| 970 LOAD_ARGS_REVERSED MAX_INTEGER_COMPUTATION_MODE \ | |
| 971 CONVERT_HARD_REGISTER_TO_SSA_P ASM_OUTPUT_MAIN_SOURCE_FILENAME \ | |
| 972 FIRST_INSN_ADDRESS TEXT_SECTION SHARED_BSS_SECTION_ASM_OP \ | |
| 973 PROMOTED_MODE EXPAND_BUILTIN_VA_END \ | |
| 974 LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE \ | |
| 975 GIV_SORT_CRITERION MAX_LONG_TYPE_SIZE MAX_LONG_DOUBLE_TYPE_SIZE \ | |
| 976 MAX_WCHAR_TYPE_SIZE SHARED_SECTION_ASM_OP INTEGRATE_THRESHOLD \ | |
| 977 FINAL_REG_PARM_STACK_SPACE MAYBE_REG_PARM_STACK_SPACE \ | |
| 978 TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE \ | |
| 979 DBX_OUTPUT_STANDARD_TYPES BUILTIN_SETJMP_FRAME_VALUE \ | |
| 980 SUNOS4_SHARED_LIBRARIES PROMOTE_FOR_CALL_ONLY \ | |
| 981 SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE \ | |
| 982 DEFAULT_MAIN_RETURN TARGET_MEM_FUNCTIONS EXPAND_BUILTIN_VA_ARG \ | |
| 983 COLLECT_PARSE_FLAG DWARF2_GENERATE_TEXT_SECTION_LABEL WINNING_GDB \ | |
| 984 ASM_OUTPUT_FILENAME ASM_OUTPUT_SOURCE_LINE FILE_NAME_JOINER \ | |
| 985 GDB_INV_REF_REGPARM_STABS_LETTER DBX_MEMPARM_STABS_LETTER \ | |
| 986 PUT_SDB_SRC_FILE STABS_GCC_MARKER DBX_OUTPUT_FUNCTION_END \ | |
| 987 DBX_OUTPUT_GCC_MARKER DBX_FINISH_SYMBOL SDB_GENERATE_FAKE \ | |
| 988 NON_SAVING_SETJMP TARGET_LATE_RTL_PROLOGUE_EPILOGUE \ | |
| 989 CASE_DROPS_THROUGH TARGET_BELL TARGET_BS TARGET_CR TARGET_DIGIT0 \ | |
| 990 TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT \ | |
| 991 LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE \ | |
| 992 TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC \ | |
|
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993 PREDICATE_CODES SPECIAL_MODE_PREDICATES UNALIGNED_WORD_ASM_OP \ |
| 0 | 994 EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION \ |
| 995 TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION \ | |
| 996 SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON \ | |
|
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997 ASM_OUTPUT_SHARED_LOCAL ASM_MAKE_LABEL_LINKONCE \ |
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998 STACK_CHECK_PROBE_INTERVAL STACK_CHECK_PROBE_LOAD \ |
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999 ORDER_REGS_FOR_LOCAL_ALLOC FUNCTION_OUTGOING_VALUE \ |
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1000 ASM_DECLARE_CONSTANT_NAME MODIFY_TARGET_NAME SWITCHES_NEED_SPACES \ |
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1001 SWITCH_CURTAILS_COMPILATION SWITCH_TAKES_ARG WORD_SWITCH_TAKES_ARG \ |
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1002 TARGET_OPTION_TRANSLATE_TABLE HANDLE_PRAGMA_PACK_PUSH_POP \ |
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1003 HANDLE_SYSV_PRAGMA HANDLE_PRAGMA_WEAK CONDITIONAL_REGISTER_USAGE \ |
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1004 FUNCTION_ARG_BOUNDARY MUST_USE_SJLJ_EXCEPTIONS US_SOFTWARE_GOFAST \ |
| 111 | 1005 USING_SVR4_H SVR4_ASM_SPEC FUNCTION_ARG FUNCTION_ARG_ADVANCE \ |
| 1006 FUNCTION_INCOMING_ARG IRA_COVER_CLASSES TARGET_VERSION \ | |
| 1007 MACHINE_TYPE TARGET_HAS_TARGETCM ASM_OUTPUT_BSS \ | |
| 1008 SETJMP_VIA_SAVE_AREA FORBIDDEN_INC_DEC_CLASSES \ | |
| 1009 PREFERRED_OUTPUT_RELOAD_CLASS SYSTEM_INCLUDE_DIR \ | |
| 1010 STANDARD_INCLUDE_DIR STANDARD_INCLUDE_COMPONENT \ | |
| 1011 LINK_ELIMINATE_DUPLICATE_LDIRECTORIES MIPS_DEBUGGING_INFO \ | |
| 1012 IDENT_ASM_OP ALL_COP_ADDITIONAL_REGISTER_NAMES DBX_OUTPUT_LBRAC \ | |
| 1013 DBX_OUTPUT_NFUN DBX_OUTPUT_RBRAC RANGE_TEST_NON_SHORT_CIRCUIT \ | |
| 1014 REAL_VALUE_TRUNCATE REVERSE_CONDEXEC_PREDICATES_P \ | |
| 1015 TARGET_ALIGN_ANON_BITFIELDS TARGET_NARROW_VOLATILE_BITFIELDS \ | |
| 1016 IDENT_ASM_OP UNALIGNED_SHORT_ASM_OP UNALIGNED_INT_ASM_OP \ | |
| 1017 UNALIGNED_LONG_ASM_OP UNALIGNED_DOUBLE_INT_ASM_OP \ | |
| 1018 USE_COMMON_FOR_ONE_ONLY IFCVT_EXTRA_FIELDS IFCVT_INIT_EXTRA_FIELDS \ | |
| 1019 CASE_USE_BIT_TESTS FIXUNS_TRUNC_LIKE_FIX_TRUNC \ | |
| 1020 GO_IF_MODE_DEPENDENT_ADDRESS DELAY_SLOTS_FOR_EPILOGUE \ | |
| 1021 ELIGIBLE_FOR_EPILOGUE_DELAY TARGET_C99_FUNCTIONS TARGET_HAS_SINCOS \ | |
| 1022 REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \ | |
| 1023 CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT \ | |
| 1024 REG_CLASS_FROM_CONSTRAINT REG_CLASS_FOR_CONSTRAINT \ | |
| 1025 EXTRA_CONSTRAINT_STR EXTRA_MEMORY_CONSTRAINT \ | |
| 1026 EXTRA_ADDRESS_CONSTRAINT CONST_DOUBLE_OK_FOR_CONSTRAINT_P \ | |
| 1027 CALLER_SAVE_PROFITABLE LARGEST_EXPONENT_IS_NORMAL \ | |
| 1028 ROUND_TOWARDS_ZERO SF_SIZE DF_SIZE XF_SIZE TF_SIZE LIBGCC2_TF_CEXT \ | |
| 1029 LIBGCC2_LONG_DOUBLE_TYPE_SIZE STRUCT_VALUE \ | |
| 1030 EH_FRAME_IN_DATA_SECTION TARGET_FLT_EVAL_METHOD_NON_DEFAULT \ | |
| 131 | 1031 JCR_SECTION_NAME TARGET_USE_JCR_SECTION SDB_DEBUGGING_INFO \ |
| 1032 SDB_DEBUG NO_IMPLICIT_EXTERN_C | |
| 0 | 1033 |
| 1034 /* Hooks that are no longer used. */ | |
| 1035 #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \ | |
| 1036 LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES \ | |
| 1037 LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \ | |
| 1038 LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \ | |
| 1039 LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \ | |
|
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1040 LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION \ |
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1041 TARGET_PROMOTE_FUNCTION_ARGS TARGET_PROMOTE_FUNCTION_RETURN \ |
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1042 LANG_HOOKS_MISSING_ARGUMENT LANG_HOOKS_HASH_TYPES \ |
| 111 | 1043 TARGET_HANDLE_OFAST TARGET_OPTION_OPTIMIZATION \ |
| 1044 TARGET_IRA_COVER_CLASSES TARGET_HELP \ | |
| 1045 TARGET_HANDLE_PRAGMA_EXTERN_PREFIX \ | |
| 1046 TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN \ | |
| 1047 TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD \ | |
| 1048 TARGET_MD_ASM_CLOBBERS TARGET_RELAXED_ORDERING \ | |
| 1049 EXTENDED_SDB_BASIC_TYPES TARGET_INVALID_PARAMETER_TYPE \ | |
| 1050 TARGET_INVALID_RETURN_TYPE | |
| 1051 | |
| 1052 /* Arrays that were deleted in favor of a functional interface. */ | |
| 1053 #pragma GCC poison built_in_decls implicit_built_in_decls | |
|
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1054 |
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1055 /* Hooks into libgcc2. */ |
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1056 #pragma GCC poison LIBGCC2_DOUBLE_TYPE_SIZE LIBGCC2_WORDS_BIG_ENDIAN \ |
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1057 LIBGCC2_FLOAT_WORDS_BIG_ENDIAN |
| 0 | 1058 |
| 1059 /* Miscellaneous macros that are no longer used. */ | |
|
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1060 #pragma GCC poison USE_MAPPED_LOCATION GET_ENVIRONMENT |
| 0 | 1061 |
| 1062 /* Libiberty macros that are no longer used in GCC. */ | |
| 1063 #undef ANSI_PROTOTYPES | |
| 1064 #undef PTR_CONST | |
| 1065 #undef LONG_DOUBLE | |
| 1066 #undef VPARAMS | |
| 1067 #undef VA_OPEN | |
| 1068 #undef VA_FIXEDARG | |
| 1069 #undef VA_CLOSE | |
| 1070 #undef VA_START | |
| 1071 #pragma GCC poison ANSI_PROTOTYPES PTR_CONST LONG_DOUBLE VPARAMS VA_OPEN \ | |
| 1072 VA_FIXEDARG VA_CLOSE VA_START | |
| 1073 #endif /* IN_GCC */ | |
| 1074 | |
|
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1075 /* Front ends should never have to include middle-end headers. Enforce |
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1076 this by poisoning the header double-include protection defines. */ |
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1077 #ifdef IN_GCC_FRONTEND |
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1078 #pragma GCC poison GCC_RTL_H GCC_EXCEPT_H GCC_EXPR_H |
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1079 #endif |
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1080 |
| 0 | 1081 /* Note: not all uses of the `index' token (e.g. variable names and |
| 1082 structure members) have been eliminated. */ | |
| 1083 #undef bcopy | |
| 1084 #undef bzero | |
| 1085 #undef bcmp | |
| 1086 #undef rindex | |
| 1087 #pragma GCC poison bcopy bzero bcmp rindex | |
| 1088 | |
| 111 | 1089 /* Poison ENABLE_CHECKING macro that should be replaced with |
| 1090 'if (flag_checking)', or with CHECKING_P macro. */ | |
| 1091 #pragma GCC poison ENABLE_CHECKING | |
| 1092 | |
| 0 | 1093 #endif /* GCC >= 3.0 */ |
| 1094 | |
| 1095 /* This macro allows casting away const-ness to pass -Wcast-qual | |
| 1096 warnings. DO NOT USE THIS UNLESS YOU REALLY HAVE TO! It should | |
| 1097 only be used in certain specific cases. One valid case is where | |
| 1098 the C standard definitions or prototypes force you to. E.g. if you | |
| 1099 need to free a const object, or if you pass a const string to | |
| 1100 execv, et al. Another valid use would be in an allocation function | |
| 1101 that creates const objects that need to be initialized. In some | |
| 1102 cases we have non-const functions that return the argument | |
| 1103 (e.g. next_nonnote_insn). Rather than create const shadow | |
| 1104 functions, we can cast away const-ness in calling these interfaces | |
| 1105 if we're careful to verify that the called function does indeed not | |
| 1106 modify its argument and the return value is only used in a const | |
| 1107 context. (This can be somewhat dangerous as these assumptions can | |
| 1108 change after the fact). Beyond these uses, most other cases of | |
| 1109 using this macro should be viewed with extreme caution. */ | |
| 1110 | |
|
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1111 #ifdef __cplusplus |
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1112 #define CONST_CAST2(TOTYPE,FROMTYPE,X) (const_cast<TOTYPE> (X)) |
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1113 #else |
| 0 | 1114 #if defined(__GNUC__) && GCC_VERSION > 4000 |
| 1115 /* GCC 4.0.x has a bug where it may ICE on this expression, | |
| 1116 so does GCC 3.4.x (PR17436). */ | |
| 1117 #define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q; TOTYPE _nq;})(X))._nq) | |
|
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1118 #elif defined(__GNUC__) |
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1119 static inline char * |
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1120 helper_const_non_const_cast (const char *p) |
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1121 { |
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1122 union { |
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1123 const char *const_c; |
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1124 char *c; |
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1125 } val; |
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1126 val.const_c = p; |
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1127 return val.c; |
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1128 } |
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1129 |
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1130 #define CONST_CAST2(TOTYPE,FROMTYPE,X) \ |
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1131 ((TOTYPE) helper_const_non_const_cast ((const char *) (FROMTYPE) (X))) |
| 0 | 1132 #else |
| 1133 #define CONST_CAST2(TOTYPE,FROMTYPE,X) ((TOTYPE)(FROMTYPE)(X)) | |
| 1134 #endif | |
|
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1135 #endif |
| 111 | 1136 #define CONST_CAST(TYPE,X) CONST_CAST2 (TYPE, const TYPE, (X)) |
| 1137 #define CONST_CAST_TREE(X) CONST_CAST (union tree_node *, (X)) | |
| 1138 #define CONST_CAST_RTX(X) CONST_CAST (struct rtx_def *, (X)) | |
| 1139 #define CONST_CAST_RTX_INSN(X) CONST_CAST (struct rtx_insn *, (X)) | |
| 1140 #define CONST_CAST_BB(X) CONST_CAST (struct basic_block_def *, (X)) | |
| 1141 #define CONST_CAST_GIMPLE(X) CONST_CAST (gimple *, (X)) | |
| 0 | 1142 |
| 1143 /* Activate certain diagnostics as warnings (not errors via the | |
| 1144 -Werror flag). */ | |
| 1145 #if GCC_VERSION >= 4003 | |
| 1146 /* If asserts are disabled, activate -Wuninitialized as a warning (not | |
| 1147 an error/-Werror). */ | |
| 1148 #ifndef ENABLE_ASSERT_CHECKING | |
| 1149 #pragma GCC diagnostic warning "-Wuninitialized" | |
| 1150 #endif | |
| 1151 #endif | |
| 1152 | |
| 111 | 1153 #ifdef ENABLE_VALGRIND_ANNOTATIONS |
| 0 | 1154 # ifdef HAVE_VALGRIND_MEMCHECK_H |
| 1155 # include <valgrind/memcheck.h> | |
| 1156 # elif defined HAVE_MEMCHECK_H | |
| 1157 # include <memcheck.h> | |
| 1158 # else | |
| 1159 # include <valgrind.h> | |
| 1160 # endif | |
| 1161 /* Compatibility macros to let valgrind 3.1 work. */ | |
| 1162 # ifndef VALGRIND_MAKE_MEM_NOACCESS | |
| 1163 # define VALGRIND_MAKE_MEM_NOACCESS VALGRIND_MAKE_NOACCESS | |
| 1164 # endif | |
| 1165 # ifndef VALGRIND_MAKE_MEM_DEFINED | |
| 1166 # define VALGRIND_MAKE_MEM_DEFINED VALGRIND_MAKE_READABLE | |
| 1167 # endif | |
| 1168 # ifndef VALGRIND_MAKE_MEM_UNDEFINED | |
| 1169 # define VALGRIND_MAKE_MEM_UNDEFINED VALGRIND_MAKE_WRITABLE | |
| 1170 # endif | |
| 1171 #else | |
| 1172 /* Avoid #ifdef:s when we can help it. */ | |
| 1173 #define VALGRIND_DISCARD(x) | |
| 1174 #define VALGRIND_MALLOCLIKE_BLOCK(w,x,y,z) | |
| 1175 #define VALGRIND_FREELIKE_BLOCK(x,y) | |
| 1176 #endif | |
| 1177 | |
| 111 | 1178 /* Macros to temporarily ignore some warnings. */ |
| 1179 #if GCC_VERSION >= 6000 | |
| 1180 #define GCC_DIAGNOSTIC_STRINGIFY(x) #x | |
| 1181 #define GCC_DIAGNOSTIC_PUSH_IGNORED(x) \ | |
| 1182 _Pragma ("GCC diagnostic push") \ | |
| 1183 _Pragma (GCC_DIAGNOSTIC_STRINGIFY (GCC diagnostic ignored #x)) | |
| 1184 #define GCC_DIAGNOSTIC_POP _Pragma ("GCC diagnostic pop") | |
| 1185 #else | |
| 1186 #define GCC_DIAGNOSTIC_PUSH_IGNORED(x) | |
| 1187 #define GCC_DIAGNOSTIC_POP | |
| 1188 #endif | |
| 1189 | |
|
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1190 /* In LTO -fwhole-program build we still want to keep the debug functions available |
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1191 for debugger. Mark them as used to prevent removal. */ |
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1192 #if (GCC_VERSION > 4000) |
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1193 #define DEBUG_FUNCTION __attribute__ ((__used__)) |
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1194 #define DEBUG_VARIABLE __attribute__ ((__used__)) |
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1195 #else |
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1196 #define DEBUG_FUNCTION |
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1197 #define DEBUG_VARIABLE |
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1198 #endif |
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1199 |
| 111 | 1200 /* General macro to extract bit Y of X. */ |
| 1201 #define TEST_BIT(X, Y) (((X) >> (Y)) & 1) | |
| 1202 | |
| 1203 /* Get definitions of HOST_WIDE_INT. */ | |
| 1204 #include "hwint.h" | |
| 1205 | |
| 145 | 1206 typedef int sort_r_cmp_fn (const void *, const void *, void *); |
| 1207 void qsort_chk (void *, size_t, size_t, sort_r_cmp_fn *, void *); | |
| 1208 void gcc_sort_r (void *, size_t, size_t, sort_r_cmp_fn *, void *); | |
| 131 | 1209 void gcc_qsort (void *, size_t, size_t, int (*)(const void *, const void *)); |
| 1210 void gcc_stablesort (void *, size_t, size_t, | |
| 1211 int (*)(const void *, const void *)); | |
| 145 | 1212 /* Redirect four-argument qsort calls to gcc_qsort; one-argument invocations |
| 1213 correspond to vec::qsort, and use C qsort internally. */ | |
| 111 | 1214 #define PP_5th(a1, a2, a3, a4, a5, ...) a5 |
| 1215 #undef qsort | |
| 131 | 1216 #define qsort(...) PP_5th (__VA_ARGS__, gcc_qsort, 3, 2, qsort, 0) (__VA_ARGS__) |
| 111 | 1217 |
| 145 | 1218 #define ONE_K 1024 |
| 1219 #define ONE_M (ONE_K * ONE_K) | |
| 1220 | |
| 1221 /* Display a number as an integer multiple of either: | |
| 1222 - 1024, if said integer is >= to 10 K (in base 2) | |
| 1223 - 1024 * 1024, if said integer is >= 10 M in (base 2) | |
| 1224 */ | |
| 1225 #define SIZE_SCALE(x) (((x) < 10 * ONE_K \ | |
| 1226 ? (x) \ | |
| 1227 : ((x) < 10 * ONE_M \ | |
| 1228 ? (x) / ONE_K \ | |
| 1229 : (x) / ONE_M))) | |
| 1230 | |
| 1231 /* For a given integer, display either: | |
| 1232 - the character 'k', if the number is higher than 10 K (in base 2) | |
| 1233 but strictly lower than 10 M (in base 2) | |
| 1234 - the character 'M' if the number is higher than 10 M (in base2) | |
| 1235 - the charcter ' ' if the number is strictly lower than 10 K */ | |
| 1236 #define SIZE_LABEL(x) ((x) < 10 * ONE_K ? ' ' : ((x) < 10 * ONE_M ? 'k' : 'M')) | |
| 1237 | |
| 1238 /* Display an integer amount as multiple of 1K or 1M (in base 2). | |
| 1239 Display the correct unit (either k, M, or ' ') after the amount, as | |
| 1240 well. */ | |
| 1241 #define SIZE_AMOUNT(size) (uint64_t)SIZE_SCALE (size), SIZE_LABEL (size) | |
| 1242 | |
| 1243 /* Format string particle for printing a SIZE_AMOUNT with N being the width | |
| 1244 of the number. */ | |
| 1245 #define PRsa(n) "%" #n PRIu64 "%c" | |
| 1246 | |
| 0 | 1247 #endif /* ! GCC_SYSTEM_H */ |