Line data Source code
1 : /* Get common system includes and various definitions and declarations based
2 : on autoconf macros.
3 : Copyright (C) 1998-2026 Free Software Foundation, Inc.
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 :
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 :
31 : /* We must include stdarg.h before stdio.h. */
32 : #include <stdarg.h>
33 :
34 : #ifndef va_copy
35 : # ifdef __va_copy
36 : # define va_copy(d,s) __va_copy (d, s)
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. */
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)
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 :
102 : #ifdef __cplusplus
103 : extern "C" {
104 : #endif
105 :
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 :
186 : #ifdef __cplusplus
187 : }
188 : #endif
189 :
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 :
197 : /* Include C++ standard headers before "safe-ctype.h" to avoid GCC
198 : poisoning the ctype macros through safe-ctype.h */
199 :
200 : #ifdef __cplusplus
201 : #if defined (INCLUDE_ALGORITHM) || !defined (HAVE_SWAP_IN_UTILITY)
202 : # include <algorithm>
203 : #endif
204 : #ifdef INCLUDE_DEQUE
205 : # include <deque>
206 : #endif
207 : #ifdef INCLUDE_LIST
208 : # include <list>
209 : #endif
210 : #ifdef INCLUDE_MAP
211 : # include <map>
212 : #endif
213 : #ifdef INCLUDE_SET
214 : # include <set>
215 : #endif
216 : #ifdef INCLUDE_STRING
217 : # include <string>
218 : #endif
219 : #ifdef INCLUDE_VECTOR
220 : # include <vector>
221 : #endif
222 : #ifdef INCLUDE_ARRAY
223 : # include <array>
224 : #endif
225 : #ifdef INCLUDE_FUNCTIONAL
226 : # include <functional>
227 : #endif
228 : #ifdef INCLUDE_SSTREAM
229 : # include <sstream>
230 : #endif
231 : # include <memory>
232 : # include <cstring>
233 : # include <initializer_list>
234 : # include <new>
235 : # include <utility>
236 : # include <type_traits>
237 : #endif
238 :
239 : /* There are an extraordinary number of issues with <ctype.h>.
240 : The last straw is that it varies with the locale. Use libiberty's
241 : replacement instead. */
242 : #include "safe-ctype.h"
243 :
244 : #include <sys/types.h>
245 :
246 : #include <errno.h>
247 :
248 : #if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO
249 : extern int errno;
250 : #endif
251 :
252 : /* Some of glibc's string inlines cause warnings. Plus we'd rather
253 : rely on (and therefore test) GCC's string builtins. */
254 : #define __NO_STRING_INLINES
255 :
256 : #ifdef STRING_WITH_STRINGS
257 : # include <string.h>
258 : # include <strings.h>
259 : #else
260 : # ifdef HAVE_STRING_H
261 : # include <string.h>
262 : # else
263 : # ifdef HAVE_STRINGS_H
264 : # include <strings.h>
265 : # endif
266 : # endif
267 : #endif
268 :
269 : #ifdef HAVE_STDLIB_H
270 : # include <stdlib.h>
271 : #endif
272 :
273 : /* When compiling C++ we need to include <cstdlib> as well as <stdlib.h> so
274 : that it is processed before we poison "malloc"; otherwise, if a source
275 : file uses a standard library header that includes <cstdlib>, we will get
276 : an error about 'using std::malloc'. */
277 : #ifdef __cplusplus
278 : #include <cstdlib>
279 : #endif
280 :
281 : /* Undef vec_free from AIX stdlib.h header which conflicts with vec.h. */
282 : #undef vec_free
283 :
284 : /* If we don't have an overriding definition, set SUCCESS_EXIT_CODE and
285 : FATAL_EXIT_CODE to EXIT_SUCCESS and EXIT_FAILURE respectively,
286 : or 0 and 1 if those macros are not defined. */
287 : #ifndef SUCCESS_EXIT_CODE
288 : # ifdef EXIT_SUCCESS
289 : # define SUCCESS_EXIT_CODE EXIT_SUCCESS
290 : # else
291 : # define SUCCESS_EXIT_CODE 0
292 : # endif
293 : #endif
294 :
295 : #ifndef FATAL_EXIT_CODE
296 : # ifdef EXIT_FAILURE
297 : # define FATAL_EXIT_CODE EXIT_FAILURE
298 : # else
299 : # define FATAL_EXIT_CODE 1
300 : # endif
301 : #endif
302 :
303 : #define ICE_EXIT_CODE 4
304 :
305 : #ifdef HAVE_UNISTD_H
306 : # include <unistd.h>
307 : #endif
308 :
309 : #ifdef HAVE_SYS_PARAM_H
310 : # include <sys/param.h>
311 : /* We use these identifiers later and they appear in some vendor param.h's. */
312 : # undef PREFETCH
313 : # undef m_slot
314 : #endif
315 :
316 : #if HAVE_LIMITS_H
317 : # include <limits.h>
318 : #endif
319 :
320 : /* A macro to determine whether a VALUE lies inclusively within a
321 : certain range without evaluating the VALUE more than once. This
322 : macro won't warn if the VALUE is unsigned and the LOWER bound is
323 : zero, as it would e.g. with "VALUE >= 0 && ...". Note the LOWER
324 : bound *is* evaluated twice, and LOWER must not be greater than
325 : UPPER. However the bounds themselves can be either positive or
326 : negative. */
327 : #define IN_RANGE(VALUE, LOWER, UPPER) \
328 : ((unsigned HOST_WIDE_INT) (VALUE) - (unsigned HOST_WIDE_INT) (LOWER) \
329 : <= (unsigned HOST_WIDE_INT) (UPPER) - (unsigned HOST_WIDE_INT) (LOWER))
330 :
331 : /* Infrastructure for defining missing _MAX and _MIN macros. Note that
332 : macros defined with these cannot be used in #if. */
333 :
334 : /* The extra casts work around common compiler bugs. */
335 : #define INTTYPE_SIGNED(t) (! ((t) 0 < (t) -1))
336 : /* The outer cast is needed to work around a bug in Cray C 5.0.3.0.
337 : It is necessary at least when t == time_t. */
338 : #define INTTYPE_MINIMUM(t) ((t) (INTTYPE_SIGNED (t) \
339 : ? (t) 1 << (sizeof (t) * CHAR_BIT - 1) : (t) 0))
340 : #define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
341 :
342 : /* Use that infrastructure to provide a few constants. */
343 : #ifndef UCHAR_MAX
344 : # define UCHAR_MAX INTTYPE_MAXIMUM (unsigned char)
345 : #endif
346 :
347 : #ifdef TIME_WITH_SYS_TIME
348 : # include <sys/time.h>
349 : # include <time.h>
350 : #else
351 : # if HAVE_SYS_TIME_H
352 : # include <sys/time.h>
353 : # else
354 : # ifdef HAVE_TIME_H
355 : # include <time.h>
356 : # endif
357 : # endif
358 : #endif
359 :
360 : #ifdef HAVE_FCNTL_H
361 : # include <fcntl.h>
362 : #else
363 : # ifdef HAVE_SYS_FILE_H
364 : # include <sys/file.h>
365 : # endif
366 : #endif
367 :
368 : #ifdef HAVE_SYS_LOCKING_H
369 : # include <sys/locking.h>
370 : #endif
371 :
372 : #ifndef SEEK_SET
373 : # define SEEK_SET 0
374 : # define SEEK_CUR 1
375 : # define SEEK_END 2
376 : #endif
377 : #ifndef F_OK
378 : # define F_OK 0
379 : # define X_OK 1
380 : # define W_OK 2
381 : # define R_OK 4
382 : #endif
383 : #ifndef O_RDONLY
384 : # define O_RDONLY 0
385 : #endif
386 : #ifndef O_WRONLY
387 : # define O_WRONLY 1
388 : #endif
389 : #ifndef O_BINARY
390 : # define O_BINARY 0
391 : #endif
392 :
393 : /* Some systems define these in, e.g., param.h. We undefine these names
394 : here to avoid the warnings. We prefer to use our definitions since we
395 : know they are correct. */
396 :
397 : #undef MIN
398 : #undef MAX
399 : #define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
400 : #define MAX(X,Y) ((X) > (Y) ? (X) : (Y))
401 :
402 : /* Returns the least number N such that N * Y >= X. */
403 : #define CEIL(x,y) (((x) + (y) - 1) / (y))
404 :
405 : /* This macro rounds x up to the y boundary. */
406 : #define ROUND_UP(x,y) (((x) + (y) - 1) & ~((y) - 1))
407 :
408 : /* This macro rounds x down to the y boundary. */
409 : #define ROUND_DOWN(x,y) ((x) & ~((y) - 1))
410 :
411 : #ifdef HAVE_SYS_WAIT_H
412 : #include <sys/wait.h>
413 : #endif
414 :
415 : #ifndef WIFSIGNALED
416 : #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
417 : #endif
418 : #ifndef WTERMSIG
419 : #define WTERMSIG(S) ((S) & 0x7f)
420 : #endif
421 : #ifndef WIFEXITED
422 : #define WIFEXITED(S) (((S) & 0xff) == 0)
423 : #endif
424 : #ifndef WEXITSTATUS
425 : #define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
426 : #endif
427 : #ifndef WSTOPSIG
428 : #define WSTOPSIG WEXITSTATUS
429 : #endif
430 : #ifndef WCOREDUMP
431 : #define WCOREDUMP(S) ((S) & WCOREFLG)
432 : #endif
433 : #ifndef WCOREFLG
434 : #define WCOREFLG 0200
435 : #endif
436 :
437 : #include <signal.h>
438 : #if !defined (SIGCHLD) && defined (SIGCLD)
439 : # define SIGCHLD SIGCLD
440 : #endif
441 :
442 : #ifdef HAVE_SYS_MMAN_H
443 : # include <sys/mman.h>
444 : #endif
445 :
446 : #ifndef MAP_FAILED
447 : # define MAP_FAILED ((void *)-1)
448 : #endif
449 :
450 : #if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
451 : # define MAP_ANONYMOUS MAP_ANON
452 : #endif
453 :
454 : #ifdef HAVE_SYS_RESOURCE_H
455 : # include <sys/resource.h>
456 : #endif
457 :
458 : #ifdef HAVE_SYS_TIMES_H
459 : # include <sys/times.h>
460 : #endif
461 :
462 : /* The HAVE_DECL_* macros are three-state, undefined, 0 or 1. If they
463 : are defined to 0 then we must provide the relevant declaration
464 : here. These checks will be in the undefined state while configure
465 : is running so be careful to test "defined (HAVE_DECL_*)". */
466 :
467 : #ifdef __cplusplus
468 : extern "C" {
469 : #endif
470 :
471 : #if defined (HAVE_DECL_ATOF) && !HAVE_DECL_ATOF
472 : extern double atof (const char *);
473 : #endif
474 :
475 : #if defined (HAVE_DECL_ATOL) && !HAVE_DECL_ATOL
476 : extern long atol (const char *);
477 : #endif
478 :
479 : #if defined (HAVE_DECL_FREE) && !HAVE_DECL_FREE
480 : extern void free (void *);
481 : #endif
482 :
483 : #if defined (HAVE_DECL_GETCWD) && !HAVE_DECL_GETCWD
484 : extern char *getcwd (char *, size_t);
485 : #endif
486 :
487 : #if defined (HAVE_DECL_GETENV) && !HAVE_DECL_GETENV
488 : extern char *getenv (const char *);
489 : #endif
490 :
491 : #if defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT
492 : extern int getopt (int, char * const *, const char *);
493 : #endif
494 :
495 : #if defined (HAVE_DECL_GETPAGESIZE) && !HAVE_DECL_GETPAGESIZE
496 : extern int getpagesize (void);
497 : #endif
498 :
499 : #if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD
500 : extern char *getwd (char *);
501 : #endif
502 :
503 : #if defined (HAVE_DECL_SBRK) && !HAVE_DECL_SBRK
504 : extern void *sbrk (int);
505 : #endif
506 :
507 : #if defined (HAVE_DECL_SETENV) && !HAVE_DECL_SETENV
508 : int setenv(const char *, const char *, int);
509 : #endif
510 :
511 : #if defined (HAVE_DECL_STRSTR) && !HAVE_DECL_STRSTR
512 : extern char *strstr (const char *, const char *);
513 : #endif
514 :
515 : #if defined (HAVE_DECL_STPCPY) && !HAVE_DECL_STPCPY
516 : extern char *stpcpy (char *, const char *);
517 : #endif
518 :
519 : #if defined (HAVE_DECL_UNSETENV) && !HAVE_DECL_UNSETENV
520 : int unsetenv(const char *);
521 : #endif
522 :
523 : #if defined (HAVE_DECL_MALLOC) && !HAVE_DECL_MALLOC
524 : extern void *malloc (size_t);
525 : #endif
526 :
527 : #if defined (HAVE_DECL_CALLOC) && !HAVE_DECL_CALLOC
528 : extern void *calloc (size_t, size_t);
529 : #endif
530 :
531 : #if defined (HAVE_DECL_REALLOC) && !HAVE_DECL_REALLOC
532 : extern void *realloc (void *, size_t);
533 : #endif
534 :
535 : #ifdef __cplusplus
536 : }
537 : #endif
538 :
539 : #ifdef HAVE_STDINT_H
540 : #include <stdint.h>
541 : #endif
542 :
543 : #ifdef HAVE_INTTYPES_H
544 : #include <inttypes.h>
545 : #endif
546 :
547 : #ifndef SIZE_MAX
548 : # define SIZE_MAX INTTYPE_MAXIMUM (size_t)
549 : #endif
550 :
551 : #ifdef __cplusplus
552 : extern "C" {
553 : #endif
554 :
555 : /* If the system doesn't provide strsignal, we get it defined in
556 : libiberty but no declaration is supplied. */
557 : #if !defined (HAVE_STRSIGNAL) \
558 : || (defined (HAVE_DECL_STRSIGNAL) && !HAVE_DECL_STRSIGNAL)
559 : # ifndef strsignal
560 : extern const char *strsignal (int);
561 : # endif
562 : #endif
563 :
564 : #ifdef HAVE_GETRLIMIT
565 : # if defined (HAVE_DECL_GETRLIMIT) && !HAVE_DECL_GETRLIMIT
566 : # ifndef getrlimit
567 : struct rlimit;
568 : extern int getrlimit (int, struct rlimit *);
569 : # endif
570 : # endif
571 : #endif
572 :
573 : #ifdef HAVE_SETRLIMIT
574 : # if defined (HAVE_DECL_SETRLIMIT) && !HAVE_DECL_SETRLIMIT
575 : # ifndef setrlimit
576 : struct rlimit;
577 : extern int setrlimit (int, const struct rlimit *);
578 : # endif
579 : # endif
580 : #endif
581 :
582 : #if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT
583 : extern void abort (void);
584 : #endif
585 :
586 : #if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
587 : extern int snprintf (char *, size_t, const char *, ...);
588 : #endif
589 :
590 : #if defined (HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF
591 : extern int vsnprintf (char *, size_t, const char *, va_list);
592 : #endif
593 :
594 : #ifdef __cplusplus
595 : }
596 : #endif
597 :
598 : /* 1 if we have C99 designated initializers. */
599 : #if !defined(HAVE_DESIGNATED_INITIALIZERS)
600 : #ifdef __cplusplus
601 : #define HAVE_DESIGNATED_INITIALIZERS 0
602 : #else
603 : #define HAVE_DESIGNATED_INITIALIZERS \
604 : ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L))
605 : #endif
606 : #endif
607 :
608 : #if !defined(HAVE_DESIGNATED_UNION_INITIALIZERS)
609 : #ifdef __cplusplus
610 : #define HAVE_DESIGNATED_UNION_INITIALIZERS (GCC_VERSION >= 4007)
611 : #else
612 : #define HAVE_DESIGNATED_UNION_INITIALIZERS \
613 : ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L))
614 : #endif
615 : #endif
616 :
617 : #if HAVE_SYS_STAT_H
618 : # include <sys/stat.h>
619 : #endif
620 :
621 : /* Test if something is a normal file. */
622 : #ifndef S_ISREG
623 : #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
624 : #endif
625 :
626 : /* Test if something is a directory. */
627 : #ifndef S_ISDIR
628 : #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
629 : #endif
630 :
631 : /* Test if something is a character special file. */
632 : #ifndef S_ISCHR
633 : #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
634 : #endif
635 :
636 : /* Test if something is a block special file. */
637 : #ifndef S_ISBLK
638 : #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
639 : #endif
640 :
641 : /* Test if something is a socket. */
642 : #ifndef S_ISSOCK
643 : # ifdef S_IFSOCK
644 : # define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
645 : # else
646 : # define S_ISSOCK(m) 0
647 : # endif
648 : #endif
649 :
650 : /* Test if something is a FIFO. */
651 : #ifndef S_ISFIFO
652 : # ifdef S_IFIFO
653 : # define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
654 : # else
655 : # define S_ISFIFO(m) 0
656 : # endif
657 : #endif
658 :
659 : /* Define well known filenos if the system does not define them. */
660 : #ifndef STDIN_FILENO
661 : # define STDIN_FILENO 0
662 : #endif
663 : #ifndef STDOUT_FILENO
664 : # define STDOUT_FILENO 1
665 : #endif
666 : #ifndef STDERR_FILENO
667 : # define STDERR_FILENO 2
668 : #endif
669 :
670 : /* Some systems have mkdir that takes a single argument. */
671 : #ifdef MKDIR_TAKES_ONE_ARG
672 : # define mkdir(a,b) mkdir (a)
673 : #endif
674 :
675 : #ifndef HAVE_KILL
676 : # define kill(p,s) raise (s)
677 : #endif
678 :
679 : /* Provide a way to print an address via printf. */
680 : #ifndef HOST_PTR_PRINTF
681 : #define HOST_PTR_PRINTF "%p"
682 : #endif /* ! HOST_PTR_PRINTF */
683 :
684 : /* By default, colon separates directories in a path. */
685 : #ifndef PATH_SEPARATOR
686 : #define PATH_SEPARATOR ':'
687 : #endif
688 :
689 : /* Filename handling macros. */
690 : #include "filenames.h"
691 :
692 : /* These should be phased out in favor of IS_DIR_SEPARATOR, where possible. */
693 : #ifndef DIR_SEPARATOR
694 : # define DIR_SEPARATOR '/'
695 : # ifdef HAVE_DOS_BASED_FILE_SYSTEM
696 : # define DIR_SEPARATOR_2 '\\'
697 : # endif
698 : #endif
699 :
700 : #if defined (INCLUDE_DLFCN_H) && defined (HAVE_DLFCN_H)
701 : /* If plugin support is enabled, we could use libdl. */
702 : #include <dlfcn.h>
703 : #endif
704 :
705 : /* Do not introduce a gmp.h dependency on the build system. */
706 : #ifndef GENERATOR_FILE
707 : #include <gmp.h>
708 :
709 : class auto_mpz
710 : {
711 : public:
712 19897591 : auto_mpz () { mpz_init (m_mpz); }
713 19897591 : ~auto_mpz () { mpz_clear (m_mpz); }
714 :
715 27830098 : operator mpz_t& () { return m_mpz; }
716 : mpz_ptr operator-> () { return m_mpz; }
717 :
718 : auto_mpz (const auto_mpz &) = delete;
719 : auto_mpz &operator= (const auto_mpz &) = delete;
720 :
721 : #if GCC_VERSION < 4008 || GCC_VERSION >= 5000
722 : /* GCC 4.8 and 4.9 don't support this, only fixed in PR62101 for 5.0. */
723 : friend void mpz_clear (auto_mpz&) = delete;
724 : friend void mpz_init (auto_mpz&) = delete;
725 : #endif
726 :
727 : private:
728 : mpz_t m_mpz;
729 : };
730 : #endif
731 :
732 : /* Get libiberty declarations. */
733 : #include "libiberty.h"
734 :
735 : #undef FFS /* Some systems predefine this symbol; don't let it interfere. */
736 : #undef FLOAT /* Likewise. */
737 : #undef ABS /* Likewise. */
738 : #undef PC /* Likewise. */
739 :
740 : /* Provide a default for the HOST_BIT_BUCKET.
741 : This suffices for POSIX-like hosts. */
742 :
743 : #ifndef HOST_BIT_BUCKET
744 : #define HOST_BIT_BUCKET "/dev/null"
745 : #endif
746 :
747 : #ifndef offsetof
748 : #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
749 : #endif
750 :
751 : /* Various error reporting routines want to use __FUNCTION__. */
752 : #if (GCC_VERSION < 2007)
753 : #ifndef __FUNCTION__
754 : #define __FUNCTION__ "?"
755 : #endif /* ! __FUNCTION__ */
756 : #endif
757 :
758 : /* __builtin_expect(A, B) evaluates to A, but notifies the compiler that
759 : the most likely value of A is B. This feature was added at some point
760 : between 2.95 and 3.0. Let's use 3.0 as the lower bound for now. */
761 : #if (GCC_VERSION < 3000)
762 : #define __builtin_expect(a, b) (a)
763 : #endif
764 :
765 : #define LIKELY(x) (__builtin_expect ((x), 1))
766 : #define UNLIKELY(x) (__builtin_expect ((x), 0))
767 :
768 :
769 : #ifdef INCLUDE_MUTEX
770 : # include <mutex>
771 : #endif
772 :
773 : #ifdef INCLUDE_MALLOC_H
774 : #if defined(HAVE_MALLINFO) || defined(HAVE_MALLINFO2)
775 : #include <malloc.h>
776 : #endif
777 : #endif
778 :
779 : #ifdef INCLUDE_ISL
780 : #ifdef HAVE_isl
781 : #include <isl/options.h>
782 : #include <isl/ctx.h>
783 : #include <isl/val.h>
784 : #include <isl/set.h>
785 : #include <isl/union_set.h>
786 : #include <isl/map.h>
787 : #include <isl/union_map.h>
788 : #include <isl/aff.h>
789 : #include <isl/constraint.h>
790 : #include <isl/flow.h>
791 : #include <isl/ilp.h>
792 : #include <isl/schedule.h>
793 : #include <isl/ast_build.h>
794 : #include <isl/schedule_node.h>
795 : #include <isl/id.h>
796 : #include <isl/space.h>
797 : #endif
798 : #endif
799 :
800 : /* Redefine 'abort' to report an internal error w/o coredump, and
801 : reporting the location of the error in the source file.
802 : Instead of directly calling 'abort' or 'fancy_abort', GCC code
803 : should normally call 'internal_error' with a specific message. */
804 : extern void fancy_abort (const char *, int, const char *)
805 : ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
806 : #define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
807 :
808 : /* Use gcc_assert(EXPR) to test invariants. */
809 : #if ENABLE_ASSERT_CHECKING
810 : #define gcc_assert(EXPR) \
811 : ((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0))
812 : #elif (GCC_VERSION >= 4005)
813 : #define gcc_assert(EXPR) \
814 : ((void)(UNLIKELY (!(EXPR)) ? __builtin_unreachable (), 0 : 0))
815 : #else
816 : /* Include EXPR, so that unused variable warnings do not occur. */
817 : #define gcc_assert(EXPR) ((void)(0 && (EXPR)))
818 : #endif
819 :
820 : #if CHECKING_P
821 : #define gcc_checking_assert(EXPR) gcc_assert (EXPR)
822 : #else
823 : /* N.B.: in release build EXPR is not evaluated. */
824 : #define gcc_checking_assert(EXPR) ((void)(0 && (EXPR)))
825 : #endif
826 :
827 : #if GCC_VERSION >= 4000
828 : #define ALWAYS_INLINE inline __attribute__ ((always_inline))
829 : #else
830 : #define ALWAYS_INLINE inline
831 : #endif
832 :
833 : #if GCC_VERSION >= 3004
834 : #define WARN_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
835 : #else
836 : #define WARN_UNUSED_RESULT
837 : #endif
838 :
839 : /* Use gcc_unreachable() to mark unreachable locations (like an
840 : unreachable default case of a switch. Do not use gcc_assert(0). */
841 : #if (GCC_VERSION >= 4005) && !ENABLE_ASSERT_CHECKING
842 : #define gcc_unreachable() __builtin_unreachable ()
843 : #else
844 : #define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))
845 : #endif
846 :
847 : #if GCC_VERSION >= 7000 && defined(__has_attribute)
848 : # if __has_attribute(fallthrough)
849 : # define gcc_fallthrough() __attribute__((fallthrough))
850 : # else
851 : # define gcc_fallthrough()
852 : # endif
853 : #else
854 : # define gcc_fallthrough()
855 : #endif
856 :
857 : #if GCC_VERSION >= 3001
858 : #define STATIC_CONSTANT_P(X) (__builtin_constant_p (X) && (X))
859 : #else
860 : #define STATIC_CONSTANT_P(X) (false && (X))
861 : #endif
862 :
863 : #ifdef __cplusplus
864 : #define STATIC_ASSERT(X) \
865 : static_assert ((X), #X)
866 : #else
867 : #define STATIC_ASSERT(X) \
868 : typedef int assertion1[(X) ? 1 : -1] ATTRIBUTE_UNUSED
869 : #endif
870 :
871 : /* Provide a fake boolean type. We make no attempt to use the
872 : C99 _Bool, as it may not be available in the bootstrap compiler,
873 : and even if it is, it is liable to be buggy.
874 : This must be after all inclusion of system headers, as some of
875 : them will mess us up. */
876 :
877 : #undef TRUE
878 : #undef FALSE
879 :
880 : #ifdef __cplusplus
881 : /* Obsolete. */
882 : # define TRUE true
883 : # define FALSE false
884 : #else /* !__cplusplus */
885 : # undef bool
886 : # undef true
887 : # undef false
888 :
889 : # define bool unsigned char
890 : # define true 1
891 : # define false 0
892 :
893 : /* Obsolete. */
894 : # define TRUE true
895 : # define FALSE false
896 : #endif /* !__cplusplus */
897 :
898 : /* Some compilers do not allow the use of unsigned char in bitfields. */
899 : #define BOOL_BITFIELD unsigned int
900 :
901 : /* As the last action in this file, we poison the identifiers that
902 : shouldn't be used. Note, luckily gcc-3.0's token-based integrated
903 : preprocessor won't trip on poisoned identifiers that arrive from
904 : the expansion of macros. E.g. #define strrchr rindex, won't error
905 : if rindex is poisoned after this directive is issued and later on
906 : strrchr is called.
907 :
908 : Note: We define bypass macros for the few cases where we really
909 : want to use the libc memory allocation routines. Otherwise we
910 : insist you use the "x" versions from libiberty. */
911 :
912 : #define really_call_malloc malloc
913 : #define really_call_calloc calloc
914 : #define really_call_realloc realloc
915 :
916 : #if defined(FLEX_SCANNER) || defined(YYBISON) || defined(YYBYACC)
917 : /* Flex and bison use malloc and realloc. Yuk. Note that this means
918 : really_call_* cannot be used in a .l or .y file. */
919 : #define malloc xmalloc
920 : #define realloc xrealloc
921 : #endif
922 :
923 : #if (GCC_VERSION >= 3000)
924 :
925 : /* Note autoconf checks for prototype declarations and includes
926 : system.h while doing so. Only poison these tokens if actually
927 : compiling gcc, so that the autoconf declaration tests for malloc
928 : etc don't spuriously fail. */
929 : #ifdef IN_GCC
930 :
931 : #undef calloc
932 : #undef strdup
933 : #undef strndup
934 : #pragma GCC poison calloc strdup strndup
935 :
936 : #if !defined(FLEX_SCANNER) && !defined(YYBISON)
937 : #undef malloc
938 : #undef realloc
939 : #pragma GCC poison malloc realloc
940 : #endif
941 :
942 : /* The %m format should be used when GCC's main diagnostic functions
943 : supporting %m are available, and xstrerror from libiberty
944 : otherwise. */
945 : #undef strerror
946 : #pragma GCC poison strerror
947 :
948 : /* loc_t is defined on some systems and too inviting for some
949 : programmers to avoid. */
950 : #undef loc_t
951 : #pragma GCC poison loc_t
952 :
953 : /* Old target macros that have moved to the target hooks structure. */
954 : #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN \
955 : FUNCTION_PROLOGUE FUNCTION_EPILOGUE \
956 : FUNCTION_END_PROLOGUE FUNCTION_BEGIN_EPILOGUE \
957 : DECL_MACHINE_ATTRIBUTES COMP_TYPE_ATTRIBUTES INSERT_ATTRIBUTES \
958 : VALID_MACHINE_DECL_ATTRIBUTE VALID_MACHINE_TYPE_ATTRIBUTE \
959 : SET_DEFAULT_TYPE_ATTRIBUTES SET_DEFAULT_DECL_ATTRIBUTES \
960 : MERGE_MACHINE_TYPE_ATTRIBUTES MERGE_MACHINE_DECL_ATTRIBUTES \
961 : MD_INIT_BUILTINS MD_EXPAND_BUILTIN ASM_OUTPUT_CONSTRUCTOR \
962 : ASM_OUTPUT_DESTRUCTOR SIGNED_CHAR_SPEC MAX_CHAR_TYPE_SIZE \
963 : WCHAR_UNSIGNED UNIQUE_SECTION SELECT_SECTION SELECT_RTX_SECTION \
964 : ENCODE_SECTION_INFO STRIP_NAME_ENCODING ASM_GLOBALIZE_LABEL \
965 : ASM_OUTPUT_MI_THUNK CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS \
966 : ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END \
967 : ASM_SIMPLIFY_DWARF_ADDR INIT_TARGET_OPTABS INIT_SUBTARGET_OPTABS \
968 : INIT_GOFAST_OPTABS MULSI3_LIBCALL MULDI3_LIBCALL DIVSI3_LIBCALL \
969 : DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL \
970 : MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \
971 : PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM \
972 : ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS PROMOTE_FUNCTION_MODE \
973 : STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING \
974 : PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM \
975 : SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS \
976 : DEFAULT_SHORT_ENUMS SPLIT_COMPLEX_ARGS MD_ASM_CLOBBERS \
977 : HANDLE_PRAGMA_REDEFINE_EXTNAME HANDLE_PRAGMA_EXTERN_PREFIX \
978 : MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE \
979 : VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN \
980 : FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL \
981 : ALLOCATE_INITIAL_VALUE LEGITIMIZE_ADDRESS FRAME_POINTER_REQUIRED \
982 : CAN_ELIMINATE TRAMPOLINE_TEMPLATE INITIALIZE_TRAMPOLINE \
983 : TRAMPOLINE_ADJUST_ADDRESS STATIC_CHAIN STATIC_CHAIN_INCOMING \
984 : RETURN_POPS_ARGS UNITS_PER_SIMD_WORD OVERRIDE_OPTIONS \
985 : OPTIMIZATION_OPTIONS CLASS_LIKELY_SPILLED_P \
986 : USING_SJLJ_EXCEPTIONS TARGET_UNWIND_INFO \
987 : CAN_DEBUG_WITHOUT_FP UNLIKELY_EXECUTED_TEXT_SECTION_NAME \
988 : HOT_TEXT_SECTION_NAME LEGITIMATE_CONSTANT_P ALWAYS_STRIP_DOTDOT \
989 : OUTPUT_ADDR_CONST_EXTRA SMALL_REGISTER_CLASSES ASM_OUTPUT_IDENT \
990 : ASM_BYTE_OP MEMBER_TYPE_FORCES_BLK LIBGCC2_HAS_SF_MODE \
991 : LIBGCC2_HAS_DF_MODE LIBGCC2_HAS_XF_MODE LIBGCC2_HAS_TF_MODE \
992 : CLEAR_BY_PIECES_P MOVE_BY_PIECES_P SET_BY_PIECES_P \
993 : STORE_BY_PIECES_P TARGET_FLT_EVAL_METHOD \
994 : HARD_REGNO_CALL_PART_CLOBBERED HARD_REGNO_MODE_OK \
995 : MODES_TIEABLE_P FUNCTION_ARG_PADDING SLOW_UNALIGNED_ACCESS \
996 : HARD_REGNO_NREGS SECONDARY_MEMORY_NEEDED_MODE \
997 : SECONDARY_MEMORY_NEEDED CANNOT_CHANGE_MODE_CLASS \
998 : TRULY_NOOP_TRUNCATION FUNCTION_ARG_OFFSET CONSTANT_ALIGNMENT \
999 : STARTING_FRAME_OFFSET FLOAT_TYPE_SIZE DOUBLE_TYPE_SIZE \
1000 : LONG_DOUBLE_TYPE_SIZE
1001 :
1002 : /* Target macros only used for code built for the target, that have
1003 : moved to libgcc-tm.h or have never been present elsewhere. */
1004 : #pragma GCC poison DECLARE_LIBRARY_RENAMES LIBGCC2_GNU_PREFIX \
1005 : MD_UNWIND_SUPPORT MD_FROB_UPDATE_CONTEXT ENABLE_EXECUTE_STACK \
1006 : REG_VALUE_IN_UNWIND_CONTEXT ASSUME_EXTENDED_UNWIND_CONTEXT
1007 :
1008 : /* Other obsolete target macros, or macros that used to be in target
1009 : headers and were not used, and may be obsolete or may never have
1010 : been used. */
1011 : #pragma GCC poison INT_ASM_OP ASM_OUTPUT_EH_REGION_BEG CPP_PREDEFINES \
1012 : ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT SMALL_STACK \
1013 : DOESNT_NEED_UNWINDER EH_TABLE_LOOKUP OBJC_SELECTORS_WITHOUT_LABELS \
1014 : OMIT_EH_TABLE EASY_DIV_EXPR IMPLICIT_FIX_EXPR \
1015 : LONGJMP_RESTORE_FROM_STACK MAX_INT_TYPE_SIZE ASM_IDENTIFY_GCC \
1016 : STDC_VALUE TRAMPOLINE_ALIGN ASM_IDENTIFY_GCC_AFTER_SOURCE \
1017 : SLOW_ZERO_EXTEND SUBREG_REGNO_OFFSET DWARF_LINE_MIN_INSTR_LENGTH \
1018 : TRADITIONAL_RETURN_FLOAT NO_BUILTIN_SIZE_TYPE \
1019 : NO_BUILTIN_PTRDIFF_TYPE NO_BUILTIN_WCHAR_TYPE NO_BUILTIN_WINT_TYPE \
1020 : BLOCK_PROFILER BLOCK_PROFILER_CODE FUNCTION_BLOCK_PROFILER \
1021 : FUNCTION_BLOCK_PROFILER_EXIT MACHINE_STATE_SAVE \
1022 : MACHINE_STATE_RESTORE SCCS_DIRECTIVE SECTION_ASM_OP BYTEORDER \
1023 : ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL HOST_WORDS_BIG_ENDIAN \
1024 : OBJC_PROLOGUE ALLOCATE_TRAMPOLINE HANDLE_PRAGMA ROUND_TYPE_SIZE \
1025 : ROUND_TYPE_SIZE_UNIT CONST_SECTION_ASM_OP CRT_GET_RFIB_TEXT \
1026 : INSN_CACHE_DEPTH INSN_CACHE_SIZE \
1027 : INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT \
1028 : EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER \
1029 : LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES \
1030 : LOAD_ARGS_REVERSED MAX_INTEGER_COMPUTATION_MODE \
1031 : CONVERT_HARD_REGISTER_TO_SSA_P ASM_OUTPUT_MAIN_SOURCE_FILENAME \
1032 : FIRST_INSN_ADDRESS TEXT_SECTION SHARED_BSS_SECTION_ASM_OP \
1033 : PROMOTED_MODE EXPAND_BUILTIN_VA_END \
1034 : LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE \
1035 : GIV_SORT_CRITERION MAX_LONG_TYPE_SIZE MAX_LONG_DOUBLE_TYPE_SIZE \
1036 : MAX_WCHAR_TYPE_SIZE SHARED_SECTION_ASM_OP INTEGRATE_THRESHOLD \
1037 : FINAL_REG_PARM_STACK_SPACE MAYBE_REG_PARM_STACK_SPACE \
1038 : TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE \
1039 : BUILTIN_SETJMP_FRAME_VALUE \
1040 : SUNOS4_SHARED_LIBRARIES PROMOTE_FOR_CALL_ONLY \
1041 : SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE \
1042 : DEFAULT_MAIN_RETURN TARGET_MEM_FUNCTIONS EXPAND_BUILTIN_VA_ARG \
1043 : COLLECT_PARSE_FLAG DWARF2_GENERATE_TEXT_SECTION_LABEL WINNING_GDB \
1044 : ASM_OUTPUT_FILENAME ASM_OUTPUT_SOURCE_LINE FILE_NAME_JOINER \
1045 : GDB_INV_REF_REGPARM_STABS_LETTER \
1046 : PUT_SDB_SRC_FILE STABS_GCC_MARKER SDB_GENERATE_FAKE \
1047 : NON_SAVING_SETJMP TARGET_LATE_RTL_PROLOGUE_EPILOGUE \
1048 : CASE_DROPS_THROUGH TARGET_BELL TARGET_BS TARGET_CR TARGET_DIGIT0 \
1049 : TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT \
1050 : LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE \
1051 : TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC \
1052 : PREDICATE_CODES SPECIAL_MODE_PREDICATES UNALIGNED_WORD_ASM_OP \
1053 : EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION \
1054 : TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION \
1055 : SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON \
1056 : ASM_OUTPUT_SHARED_LOCAL ASM_MAKE_LABEL_LINKONCE \
1057 : STACK_CHECK_PROBE_INTERVAL STACK_CHECK_PROBE_LOAD \
1058 : ORDER_REGS_FOR_LOCAL_ALLOC FUNCTION_OUTGOING_VALUE \
1059 : ASM_DECLARE_CONSTANT_NAME MODIFY_TARGET_NAME SWITCHES_NEED_SPACES \
1060 : SWITCH_CURTAILS_COMPILATION SWITCH_TAKES_ARG WORD_SWITCH_TAKES_ARG \
1061 : TARGET_OPTION_TRANSLATE_TABLE HANDLE_PRAGMA_PACK_PUSH_POP \
1062 : HANDLE_SYSV_PRAGMA HANDLE_PRAGMA_WEAK CONDITIONAL_REGISTER_USAGE \
1063 : FUNCTION_ARG_BOUNDARY MUST_USE_SJLJ_EXCEPTIONS US_SOFTWARE_GOFAST \
1064 : USING_SVR4_H SVR4_ASM_SPEC FUNCTION_ARG FUNCTION_ARG_ADVANCE \
1065 : FUNCTION_INCOMING_ARG IRA_COVER_CLASSES TARGET_VERSION \
1066 : MACHINE_TYPE TARGET_HAS_TARGETCM ASM_OUTPUT_BSS \
1067 : SETJMP_VIA_SAVE_AREA FORBIDDEN_INC_DEC_CLASSES \
1068 : PREFERRED_OUTPUT_RELOAD_CLASS SYSTEM_INCLUDE_DIR \
1069 : STANDARD_INCLUDE_DIR STANDARD_INCLUDE_COMPONENT \
1070 : LINK_ELIMINATE_DUPLICATE_LDIRECTORIES MIPS_DEBUGGING_INFO \
1071 : IDENT_ASM_OP ALL_COP_ADDITIONAL_REGISTER_NAMES \
1072 : RANGE_TEST_NON_SHORT_CIRCUIT \
1073 : REAL_VALUE_TRUNCATE REVERSE_CONDEXEC_PREDICATES_P \
1074 : TARGET_ALIGN_ANON_BITFIELDS TARGET_NARROW_VOLATILE_BITFIELDS \
1075 : IDENT_ASM_OP UNALIGNED_SHORT_ASM_OP UNALIGNED_INT_ASM_OP \
1076 : UNALIGNED_LONG_ASM_OP UNALIGNED_DOUBLE_INT_ASM_OP \
1077 : USE_COMMON_FOR_ONE_ONLY IFCVT_EXTRA_FIELDS IFCVT_INIT_EXTRA_FIELDS \
1078 : CASE_USE_BIT_TESTS FIXUNS_TRUNC_LIKE_FIX_TRUNC \
1079 : GO_IF_MODE_DEPENDENT_ADDRESS DELAY_SLOTS_FOR_EPILOGUE \
1080 : ELIGIBLE_FOR_EPILOGUE_DELAY TARGET_C99_FUNCTIONS TARGET_HAS_SINCOS \
1081 : REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \
1082 : CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT \
1083 : REG_CLASS_FROM_CONSTRAINT REG_CLASS_FOR_CONSTRAINT \
1084 : EXTRA_CONSTRAINT_STR EXTRA_MEMORY_CONSTRAINT \
1085 : EXTRA_ADDRESS_CONSTRAINT CONST_DOUBLE_OK_FOR_CONSTRAINT_P \
1086 : CALLER_SAVE_PROFITABLE LARGEST_EXPONENT_IS_NORMAL \
1087 : ROUND_TOWARDS_ZERO SF_SIZE DF_SIZE XF_SIZE TF_SIZE LIBGCC2_TF_CEXT \
1088 : LIBGCC2_LONG_DOUBLE_TYPE_SIZE STRUCT_VALUE \
1089 : EH_FRAME_IN_DATA_SECTION TARGET_FLT_EVAL_METHOD_NON_DEFAULT \
1090 : JCR_SECTION_NAME TARGET_USE_JCR_SECTION SDB_DEBUGGING_INFO \
1091 : SDB_DEBUG NO_IMPLICIT_EXTERN_C NOTICE_UPDATE_CC \
1092 : CC_STATUS_MDEP_INIT CC_STATUS_MDEP CC_STATUS SLOW_SHORT_ACCESS
1093 :
1094 : /* Hooks that are no longer used. */
1095 : #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
1096 : LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES \
1097 : LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \
1098 : LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \
1099 : LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \
1100 : LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION \
1101 : TARGET_PROMOTE_FUNCTION_ARGS TARGET_PROMOTE_FUNCTION_RETURN \
1102 : LANG_HOOKS_MISSING_ARGUMENT LANG_HOOKS_HASH_TYPES \
1103 : TARGET_HANDLE_OFAST TARGET_OPTION_OPTIMIZATION \
1104 : TARGET_IRA_COVER_CLASSES TARGET_HELP \
1105 : TARGET_HANDLE_PRAGMA_EXTERN_PREFIX \
1106 : TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN \
1107 : TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD \
1108 : TARGET_MD_ASM_CLOBBERS TARGET_RELAXED_ORDERING \
1109 : EXTENDED_SDB_BASIC_TYPES TARGET_INVALID_PARAMETER_TYPE \
1110 : TARGET_INVALID_RETURN_TYPE
1111 :
1112 : /* Arrays that were deleted in favor of a functional interface. */
1113 : #pragma GCC poison built_in_decls implicit_built_in_decls
1114 :
1115 : /* Hooks into libgcc2. */
1116 : #pragma GCC poison LIBGCC2_DOUBLE_TYPE_SIZE LIBGCC2_WORDS_BIG_ENDIAN \
1117 : LIBGCC2_FLOAT_WORDS_BIG_ENDIAN
1118 :
1119 : /* Miscellaneous macros that are no longer used. */
1120 : #pragma GCC poison USE_MAPPED_LOCATION GET_ENVIRONMENT
1121 :
1122 : /* Libiberty macros that are no longer used in GCC. */
1123 : #undef ANSI_PROTOTYPES
1124 : #undef PTR_CONST
1125 : #undef LONG_DOUBLE
1126 : #undef VPARAMS
1127 : #undef VA_OPEN
1128 : #undef VA_FIXEDARG
1129 : #undef VA_CLOSE
1130 : #undef VA_START
1131 : #pragma GCC poison ANSI_PROTOTYPES PTR_CONST LONG_DOUBLE VPARAMS VA_OPEN \
1132 : VA_FIXEDARG VA_CLOSE VA_START
1133 : #endif /* IN_GCC */
1134 :
1135 : /* Front ends should never have to include middle-end headers. Enforce
1136 : this by poisoning the header double-include protection defines. */
1137 : #ifdef IN_GCC_FRONTEND
1138 : #pragma GCC poison GCC_RTL_H GCC_EXCEPT_H GCC_EXPR_H
1139 : #endif
1140 :
1141 : /* Note: not all uses of the `index' token (e.g. variable names and
1142 : structure members) have been eliminated. */
1143 : #undef bcopy
1144 : #undef bzero
1145 : #undef bcmp
1146 : #undef rindex
1147 : #pragma GCC poison bcopy bzero bcmp rindex
1148 :
1149 : /* Poison ENABLE_CHECKING macro that should be replaced with
1150 : 'if (flag_checking)', or with CHECKING_P macro. */
1151 : #pragma GCC poison ENABLE_CHECKING
1152 :
1153 : #endif /* GCC >= 3.0 */
1154 :
1155 : /* Activate certain diagnostics as warnings (not errors via the
1156 : -Werror flag). */
1157 : #if GCC_VERSION >= 4003
1158 : /* If asserts are disabled, activate -Wuninitialized as a warning (not
1159 : an error/-Werror). */
1160 : #ifndef ENABLE_ASSERT_CHECKING
1161 : #pragma GCC diagnostic warning "-Wuninitialized"
1162 : #endif
1163 : #endif
1164 :
1165 : #ifdef ENABLE_VALGRIND_ANNOTATIONS
1166 : #include <valgrind/memcheck.h>
1167 : #else
1168 : /* VALGRIND_DISCARD unregisters the given block handle,
1169 : but our code misuses it for discarding annotations. */
1170 : #define VALGRIND_DISCARD(x)
1171 : #endif
1172 :
1173 : /* Macros to temporarily ignore some warnings. */
1174 : #if GCC_VERSION >= 6000
1175 : #define GCC_DIAGNOSTIC_STRINGIFY(x) #x
1176 : #define GCC_DIAGNOSTIC_PUSH_IGNORED(x) \
1177 : _Pragma ("GCC diagnostic push") \
1178 : _Pragma (GCC_DIAGNOSTIC_STRINGIFY (GCC diagnostic ignored #x))
1179 : #define GCC_DIAGNOSTIC_POP _Pragma ("GCC diagnostic pop")
1180 : #else
1181 : #define GCC_DIAGNOSTIC_PUSH_IGNORED(x)
1182 : #define GCC_DIAGNOSTIC_POP
1183 : #endif
1184 :
1185 : /* In LTO -fwhole-program build we still want to keep the debug functions available
1186 : for debugger. Mark them as used to prevent removal. */
1187 : #if (GCC_VERSION > 4000)
1188 : #define DEBUG_FUNCTION __attribute__ ((__used__))
1189 : #define DEBUG_VARIABLE __attribute__ ((__used__))
1190 : #else
1191 : #define DEBUG_FUNCTION
1192 : #define DEBUG_VARIABLE
1193 : #endif
1194 :
1195 : /* General macro to extract bit Y of X. */
1196 : #define TEST_BIT(X, Y) (((X) >> (Y)) & 1)
1197 :
1198 : /* Get definitions of HOST_WIDE_INT. */
1199 : #include "hwint.h"
1200 :
1201 : typedef int sort_r_cmp_fn (const void *, const void *, void *);
1202 : void qsort_chk (void *, size_t, size_t, sort_r_cmp_fn *, void *);
1203 : void gcc_sort_r (void *, size_t, size_t, sort_r_cmp_fn *, void *);
1204 : void gcc_qsort (void *, size_t, size_t, int (*)(const void *, const void *));
1205 : void gcc_stablesort (void *, size_t, size_t,
1206 : int (*)(const void *, const void *));
1207 : void gcc_stablesort_r (void *, size_t, size_t, sort_r_cmp_fn *, void *data);
1208 : /* Redirect four-argument qsort calls to gcc_qsort; one-argument invocations
1209 : correspond to vec::qsort, and use C qsort internally. */
1210 : #define PP_5th(a1, a2, a3, a4, a5, ...) a5
1211 : #undef qsort
1212 : #define qsort(...) PP_5th (__VA_ARGS__, gcc_qsort, 3, 2, qsort, 0) (__VA_ARGS__)
1213 :
1214 : #define ONE_K 1024
1215 : #define ONE_M (ONE_K * ONE_K)
1216 : #define ONE_G (ONE_K * ONE_M)
1217 :
1218 : /* Display a number as an integer multiple of either:
1219 : - 1024, if said integer is >= to 10 K (in base 2)
1220 : - 1024 * 1024, if said integer is >= 10 M in (base 2)
1221 : */
1222 : #define SIZE_SCALE(x) (((x) < 10 * ONE_K \
1223 : ? (x) \
1224 : : ((x) < 10 * ONE_M \
1225 : ? (x) / ONE_K \
1226 : : (x) / ONE_M)))
1227 :
1228 : /* For a given integer, display either:
1229 : - the character 'k', if the number is higher than 10 K (in base 2)
1230 : but strictly lower than 10 M (in base 2)
1231 : - the character 'M' if the number is higher than 10 M (in base2)
1232 : - the charcter ' ' if the number is strictly lower than 10 K */
1233 : #define SIZE_LABEL(x) ((x) < 10 * ONE_K ? ' ' : ((x) < 10 * ONE_M ? 'k' : 'M'))
1234 :
1235 : /* Display an integer amount as multiple of 1K or 1M (in base 2).
1236 : Display the correct unit (either k, M, or ' ') after the amount, as
1237 : well. */
1238 : #define SIZE_AMOUNT(size) (uint64_t)SIZE_SCALE (size), SIZE_LABEL (size)
1239 :
1240 : /* Format string particle for printing a SIZE_AMOUNT with N being the width
1241 : of the number. */
1242 : #define PRsa(n) "%" #n PRIu64 "%c"
1243 :
1244 : /* System headers may define NULL to be an integer (e.g. 0L), which cannot be
1245 : used safely in certain contexts (e.g. as sentinels). Redefine NULL to
1246 : nullptr in order to make it safer. Note that this might confuse system
1247 : headers, however, by convention they must not be included after this point.
1248 : */
1249 : #ifdef __cplusplus
1250 : #undef NULL
1251 : #define NULL nullptr
1252 : #endif
1253 :
1254 : /* Workaround clang on PowerPC which has vec_step as reserved keyword
1255 : rather than function-like macro defined in <altivec.h>. See PR114369. */
1256 : #if defined(__clang__) && defined(__powerpc__)
1257 : #define vec_step vec_step_
1258 : #endif
1259 :
1260 : /* Return true if STR string starts with PREFIX. */
1261 :
1262 : inline bool
1263 1598820240 : startswith (const char *str, const char *prefix)
1264 : {
1265 1598820240 : return strncmp (str, prefix, strlen (prefix)) == 0;
1266 : }
1267 :
1268 : /* Return true if STR string ends with SUFFIX. */
1269 :
1270 : inline bool
1271 270 : endswith (const char *str, const char *suffix)
1272 : {
1273 270 : size_t str_len = strlen (str);
1274 270 : size_t suffix_len = strlen (suffix);
1275 270 : if (str_len < suffix_len)
1276 : return false;
1277 :
1278 270 : return memcmp (str + str_len - suffix_len, suffix, suffix_len) == 0;
1279 : }
1280 :
1281 : #endif /* ! GCC_SYSTEM_H */
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