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 : /* True if __builtin_* () is supported.
26 : This is done for optimizing GCC itself. */
27 : #ifdef __has_builtin
28 : # define STAGE0_CXX_HAS_BUILTIN(NAME) __has_builtin (__builtin_ ## NAME)
29 : #else
30 : # define STAGE0_CXX_HAS_BUILTIN(NAME) 0
31 : #endif
32 :
33 : /* Define this so that inttypes.h defines the PRI?64 macros even
34 : when compiling with a C++ compiler. Define it here so in the
35 : event inttypes.h gets pulled in by another header it is already
36 : defined. */
37 : #define __STDC_FORMAT_MACROS
38 :
39 : /* We must include stdarg.h before stdio.h. */
40 : #include <stdarg.h>
41 :
42 : #ifndef va_copy
43 : # ifdef __va_copy
44 : # define va_copy(d,s) __va_copy (d, s)
45 : # else
46 : # define va_copy(d,s) ((d) = (s))
47 : # endif
48 : #endif
49 :
50 : #ifdef HAVE_STDDEF_H
51 : # include <stddef.h>
52 : #endif
53 :
54 : #include <stdio.h>
55 :
56 : /* Define a generic NULL if one hasn't already been defined. */
57 : #ifndef NULL
58 : #define NULL 0
59 : #endif
60 :
61 : /* Use the unlocked open routines from libiberty. */
62 :
63 : /* Some of these are #define on some systems, e.g. on AIX to redirect
64 : the names to 64bit capable functions for LARGE_FILES support. These
65 : redefs are pointless here so we can override them. */
66 :
67 : #undef fopen
68 : #undef freopen
69 :
70 : #define fopen(PATH, MODE) fopen_unlocked (PATH, MODE)
71 : #define fdopen(FILDES, MODE) fdopen_unlocked (FILDES, MODE)
72 : #define freopen(PATH, MODE, STREAM) freopen_unlocked (PATH, MODE, STREAM)
73 :
74 : /* The compiler is not a multi-threaded application and therefore we
75 : do not have to use the locking functions. In fact, using the locking
76 : functions can cause the compiler to be significantly slower under
77 : I/O bound conditions (such as -g -O0 on very large source files).
78 :
79 : HAVE_DECL_PUTC_UNLOCKED actually indicates whether or not the stdio
80 : code is multi-thread safe by default. If it is set to 0, then do
81 : not worry about using the _unlocked functions.
82 :
83 : fputs_unlocked, fwrite_unlocked, and fprintf_unlocked are
84 : extensions and need to be prototyped by hand (since we do not
85 : define _GNU_SOURCE). */
86 :
87 : #if defined HAVE_DECL_PUTC_UNLOCKED && HAVE_DECL_PUTC_UNLOCKED
88 :
89 : # ifdef HAVE_PUTC_UNLOCKED
90 : # undef putc
91 : # define putc(C, Stream) putc_unlocked (C, Stream)
92 : # endif
93 : # ifdef HAVE_PUTCHAR_UNLOCKED
94 : # undef putchar
95 : # define putchar(C) putchar_unlocked (C)
96 : # endif
97 : # ifdef HAVE_GETC_UNLOCKED
98 : # undef getc
99 : # define getc(Stream) getc_unlocked (Stream)
100 : # endif
101 : # ifdef HAVE_GETCHAR_UNLOCKED
102 : # undef getchar
103 : # define getchar() getchar_unlocked ()
104 : # endif
105 : # ifdef HAVE_FPUTC_UNLOCKED
106 : # undef fputc
107 : # define fputc(C, Stream) fputc_unlocked (C, Stream)
108 : # endif
109 :
110 : #ifdef __cplusplus
111 : extern "C" {
112 : #endif
113 :
114 : # ifdef HAVE_CLEARERR_UNLOCKED
115 : # undef clearerr
116 : # define clearerr(Stream) clearerr_unlocked (Stream)
117 : # if defined (HAVE_DECL_CLEARERR_UNLOCKED) && !HAVE_DECL_CLEARERR_UNLOCKED
118 : extern void clearerr_unlocked (FILE *);
119 : # endif
120 : # endif
121 : # ifdef HAVE_FEOF_UNLOCKED
122 : # undef feof
123 : # define feof(Stream) feof_unlocked (Stream)
124 : # if defined (HAVE_DECL_FEOF_UNLOCKED) && !HAVE_DECL_FEOF_UNLOCKED
125 : extern int feof_unlocked (FILE *);
126 : # endif
127 : # endif
128 : # ifdef HAVE_FILENO_UNLOCKED
129 : # undef fileno
130 : # define fileno(Stream) fileno_unlocked (Stream)
131 : # if defined (HAVE_DECL_FILENO_UNLOCKED) && !HAVE_DECL_FILENO_UNLOCKED
132 : extern int fileno_unlocked (FILE *);
133 : # endif
134 : # endif
135 : # ifdef HAVE_FFLUSH_UNLOCKED
136 : # undef fflush
137 : # define fflush(Stream) fflush_unlocked (Stream)
138 : # if defined (HAVE_DECL_FFLUSH_UNLOCKED) && !HAVE_DECL_FFLUSH_UNLOCKED
139 : extern int fflush_unlocked (FILE *);
140 : # endif
141 : # endif
142 : # ifdef HAVE_FGETC_UNLOCKED
143 : # undef fgetc
144 : # define fgetc(Stream) fgetc_unlocked (Stream)
145 : # if defined (HAVE_DECL_FGETC_UNLOCKED) && !HAVE_DECL_FGETC_UNLOCKED
146 : extern int fgetc_unlocked (FILE *);
147 : # endif
148 : # endif
149 : # ifdef HAVE_FGETS_UNLOCKED
150 : # undef fgets
151 : # define fgets(S, n, Stream) fgets_unlocked (S, n, Stream)
152 : # if defined (HAVE_DECL_FGETS_UNLOCKED) && !HAVE_DECL_FGETS_UNLOCKED
153 : extern char *fgets_unlocked (char *, int, FILE *);
154 : # endif
155 : # endif
156 : # ifdef HAVE_FPUTS_UNLOCKED
157 : # undef fputs
158 : # define fputs(String, Stream) fputs_unlocked (String, Stream)
159 : # if defined (HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED
160 : extern int fputs_unlocked (const char *, FILE *);
161 : # endif
162 : # endif
163 : # ifdef HAVE_FERROR_UNLOCKED
164 : # undef ferror
165 : # define ferror(Stream) ferror_unlocked (Stream)
166 : # if defined (HAVE_DECL_FERROR_UNLOCKED) && !HAVE_DECL_FERROR_UNLOCKED
167 : extern int ferror_unlocked (FILE *);
168 : # endif
169 : # endif
170 : # ifdef HAVE_FREAD_UNLOCKED
171 : # undef fread
172 : # define fread(Ptr, Size, N, Stream) fread_unlocked (Ptr, Size, N, Stream)
173 : # if defined (HAVE_DECL_FREAD_UNLOCKED) && !HAVE_DECL_FREAD_UNLOCKED
174 : extern size_t fread_unlocked (void *, size_t, size_t, FILE *);
175 : # endif
176 : # endif
177 : # ifdef HAVE_FWRITE_UNLOCKED
178 : # undef fwrite
179 : # define fwrite(Ptr, Size, N, Stream) fwrite_unlocked (Ptr, Size, N, Stream)
180 : # if defined (HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED
181 : extern size_t fwrite_unlocked (const void *, size_t, size_t, FILE *);
182 : # endif
183 : # endif
184 : # ifdef HAVE_FPRINTF_UNLOCKED
185 : # undef fprintf
186 : /* We can't use a function-like macro here because we don't know if
187 : we have varargs macros. */
188 : # define fprintf fprintf_unlocked
189 : # if defined (HAVE_DECL_FPRINTF_UNLOCKED) && !HAVE_DECL_FPRINTF_UNLOCKED
190 : extern int fprintf_unlocked (FILE *, const char *, ...);
191 : # endif
192 : # endif
193 :
194 : #ifdef __cplusplus
195 : }
196 : #endif
197 :
198 : #endif
199 :
200 : /* ??? Glibc's fwrite/fread_unlocked macros cause
201 : "warning: signed and unsigned type in conditional expression". */
202 : #undef fread_unlocked
203 : #undef fwrite_unlocked
204 :
205 : /* Include C++ standard headers before "safe-ctype.h" to avoid GCC
206 : poisoning the ctype macros through safe-ctype.h */
207 :
208 : #ifdef __cplusplus
209 : #if defined (INCLUDE_ALGORITHM) || !defined (HAVE_SWAP_IN_UTILITY)
210 : # include <algorithm>
211 : #endif
212 : #ifdef INCLUDE_DEQUE
213 : # include <deque>
214 : #endif
215 : #ifdef INCLUDE_LIST
216 : # include <list>
217 : #endif
218 : #ifdef INCLUDE_MAP
219 : # include <map>
220 : #endif
221 : #ifdef INCLUDE_SET
222 : # include <set>
223 : #endif
224 : #ifdef INCLUDE_STRING
225 : # include <string>
226 : #endif
227 : #ifdef INCLUDE_VECTOR
228 : # include <vector>
229 : #endif
230 : #ifdef INCLUDE_ARRAY
231 : # include <array>
232 : #endif
233 : #ifdef INCLUDE_FUNCTIONAL
234 : # include <functional>
235 : #endif
236 : #ifdef INCLUDE_SSTREAM
237 : # include <sstream>
238 : #endif
239 : #ifdef INCLUDE_ITERATOR
240 : # include <iterator>
241 : #endif
242 : # include <memory>
243 : # include <cstring>
244 : # include <initializer_list>
245 : # include <new>
246 : # include <utility>
247 : # include <type_traits>
248 : #endif
249 :
250 : /* There are an extraordinary number of issues with <ctype.h>.
251 : The last straw is that it varies with the locale. Use libiberty's
252 : replacement instead. */
253 : #include "safe-ctype.h"
254 :
255 : #include <sys/types.h>
256 :
257 : #include <errno.h>
258 :
259 : #if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO
260 : extern int errno;
261 : #endif
262 :
263 : /* Some of glibc's string inlines cause warnings. Plus we'd rather
264 : rely on (and therefore test) GCC's string builtins. */
265 : #define __NO_STRING_INLINES
266 :
267 : #ifdef STRING_WITH_STRINGS
268 : # include <string.h>
269 : # include <strings.h>
270 : #else
271 : # ifdef HAVE_STRING_H
272 : # include <string.h>
273 : # else
274 : # ifdef HAVE_STRINGS_H
275 : # include <strings.h>
276 : # endif
277 : # endif
278 : #endif
279 :
280 : #include <stdlib.h>
281 :
282 : /* When compiling C++ we need to include <cstdlib> as well as <stdlib.h> so
283 : that it is processed before we poison "malloc"; otherwise, if a source
284 : file uses a standard library header that includes <cstdlib>, we will get
285 : an error about 'using std::malloc'. */
286 : #ifdef __cplusplus
287 : #include <cstdlib>
288 : #endif
289 :
290 : /* Undef vec_free from AIX stdlib.h header which conflicts with vec.h. */
291 : #undef vec_free
292 :
293 : /* If we don't have an overriding definition, set SUCCESS_EXIT_CODE and
294 : FATAL_EXIT_CODE to EXIT_SUCCESS and EXIT_FAILURE respectively,
295 : or 0 and 1 if those macros are not defined. */
296 : #ifndef SUCCESS_EXIT_CODE
297 : # ifdef EXIT_SUCCESS
298 : # define SUCCESS_EXIT_CODE EXIT_SUCCESS
299 : # else
300 : # define SUCCESS_EXIT_CODE 0
301 : # endif
302 : #endif
303 :
304 : #ifndef FATAL_EXIT_CODE
305 : # ifdef EXIT_FAILURE
306 : # define FATAL_EXIT_CODE EXIT_FAILURE
307 : # else
308 : # define FATAL_EXIT_CODE 1
309 : # endif
310 : #endif
311 :
312 : #define ICE_EXIT_CODE 4
313 :
314 : #ifdef HAVE_UNISTD_H
315 : # include <unistd.h>
316 : #endif
317 :
318 : #ifdef HAVE_SYS_PARAM_H
319 : # include <sys/param.h>
320 : /* We use these identifiers later and they appear in some vendor param.h's. */
321 : # undef PREFETCH
322 : # undef m_slot
323 : #endif
324 :
325 : #include <limits.h>
326 :
327 : /* A macro to determine whether a VALUE lies inclusively within a
328 : certain range without evaluating the VALUE more than once. This
329 : macro won't warn if the VALUE is unsigned and the LOWER bound is
330 : zero, as it would e.g. with "VALUE >= 0 && ...". Note the LOWER
331 : bound *is* evaluated twice, and LOWER must not be greater than
332 : UPPER. However the bounds themselves can be either positive or
333 : negative. */
334 : #define IN_RANGE(VALUE, LOWER, UPPER) \
335 : ((unsigned HOST_WIDE_INT) (VALUE) - (unsigned HOST_WIDE_INT) (LOWER) \
336 : <= (unsigned HOST_WIDE_INT) (UPPER) - (unsigned HOST_WIDE_INT) (LOWER))
337 :
338 : /* Infrastructure for defining missing _MAX and _MIN macros. Note that
339 : macros defined with these cannot be used in #if. */
340 :
341 : /* The extra casts work around common compiler bugs. */
342 : #define INTTYPE_SIGNED(t) (! ((t) 0 < (t) -1))
343 : /* The outer cast is needed to work around a bug in Cray C 5.0.3.0.
344 : It is necessary at least when t == time_t. */
345 : #define INTTYPE_MINIMUM(t) ((t) (INTTYPE_SIGNED (t) \
346 : ? (t) 1 << (sizeof (t) * CHAR_BIT - 1) : (t) 0))
347 : #define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
348 :
349 : /* Use that infrastructure to provide a few constants. */
350 : #ifndef UCHAR_MAX
351 : # define UCHAR_MAX INTTYPE_MAXIMUM (unsigned char)
352 : #endif
353 :
354 : #ifdef TIME_WITH_SYS_TIME
355 : # include <sys/time.h>
356 : # include <time.h>
357 : #else
358 : # if HAVE_SYS_TIME_H
359 : # include <sys/time.h>
360 : # else
361 : # ifdef HAVE_TIME_H
362 : # include <time.h>
363 : # endif
364 : # endif
365 : #endif
366 :
367 : #ifdef HAVE_FCNTL_H
368 : # include <fcntl.h>
369 : #else
370 : # ifdef HAVE_SYS_FILE_H
371 : # include <sys/file.h>
372 : # endif
373 : #endif
374 :
375 : #ifdef HAVE_SYS_LOCKING_H
376 : # include <sys/locking.h>
377 : #endif
378 :
379 : #ifndef SEEK_SET
380 : # define SEEK_SET 0
381 : # define SEEK_CUR 1
382 : # define SEEK_END 2
383 : #endif
384 : #ifndef F_OK
385 : # define F_OK 0
386 : # define X_OK 1
387 : # define W_OK 2
388 : # define R_OK 4
389 : #endif
390 : #ifndef O_RDONLY
391 : # define O_RDONLY 0
392 : #endif
393 : #ifndef O_WRONLY
394 : # define O_WRONLY 1
395 : #endif
396 : #ifndef O_BINARY
397 : # define O_BINARY 0
398 : #endif
399 :
400 : /* Some systems define these in, e.g., param.h. We undefine these names
401 : here to avoid the warnings. We prefer to use our definitions since we
402 : know they are correct. */
403 :
404 : #undef MIN
405 : #undef MAX
406 : #define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
407 : #define MAX(X,Y) ((X) > (Y) ? (X) : (Y))
408 :
409 : /* Returns the least number N such that N * Y >= X. */
410 : #define CEIL(x,y) (((x) + (y) - 1) / (y))
411 :
412 : /* This macro rounds x up to the y boundary. */
413 : #define ROUND_UP(x,y) (((x) + (y) - 1) & ~((y) - 1))
414 :
415 : /* This macro rounds x down to the y boundary. */
416 : #define ROUND_DOWN(x,y) ((x) & ~((y) - 1))
417 :
418 : #ifdef HAVE_SYS_WAIT_H
419 : #include <sys/wait.h>
420 : #endif
421 :
422 : #ifndef WIFSIGNALED
423 : #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
424 : #endif
425 : #ifndef WTERMSIG
426 : #define WTERMSIG(S) ((S) & 0x7f)
427 : #endif
428 : #ifndef WIFEXITED
429 : #define WIFEXITED(S) (((S) & 0xff) == 0)
430 : #endif
431 : #ifndef WEXITSTATUS
432 : #define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
433 : #endif
434 : #ifndef WSTOPSIG
435 : #define WSTOPSIG WEXITSTATUS
436 : #endif
437 : #ifndef WCOREDUMP
438 : #define WCOREDUMP(S) ((S) & WCOREFLG)
439 : #endif
440 : #ifndef WCOREFLG
441 : #define WCOREFLG 0200
442 : #endif
443 :
444 : #include <signal.h>
445 : #if !defined (SIGCHLD) && defined (SIGCLD)
446 : # define SIGCHLD SIGCLD
447 : #endif
448 :
449 : #ifdef HAVE_SYS_MMAN_H
450 : # include <sys/mman.h>
451 : #endif
452 :
453 : #ifndef MAP_FAILED
454 : # define MAP_FAILED ((void *)-1)
455 : #endif
456 :
457 : #if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
458 : # define MAP_ANONYMOUS MAP_ANON
459 : #endif
460 :
461 : #ifdef HAVE_SYS_RESOURCE_H
462 : # include <sys/resource.h>
463 : #endif
464 :
465 : #ifdef HAVE_SYS_TIMES_H
466 : # include <sys/times.h>
467 : #endif
468 :
469 : /* The HAVE_DECL_* macros are three-state, undefined, 0 or 1. If they
470 : are defined to 0 then we must provide the relevant declaration
471 : here. These checks will be in the undefined state while configure
472 : is running so be careful to test "defined (HAVE_DECL_*)". */
473 :
474 : #ifdef __cplusplus
475 : extern "C" {
476 : #endif
477 :
478 : #if defined (HAVE_DECL_ATOF) && !HAVE_DECL_ATOF
479 : extern double atof (const char *);
480 : #endif
481 :
482 : #if defined (HAVE_DECL_ATOL) && !HAVE_DECL_ATOL
483 : extern long atol (const char *);
484 : #endif
485 :
486 : #if defined (HAVE_DECL_FREE) && !HAVE_DECL_FREE
487 : extern void free (void *);
488 : #endif
489 :
490 : #if defined (HAVE_DECL_GETCWD) && !HAVE_DECL_GETCWD
491 : extern char *getcwd (char *, size_t);
492 : #endif
493 :
494 : #if defined (HAVE_DECL_GETENV) && !HAVE_DECL_GETENV
495 : extern char *getenv (const char *);
496 : #endif
497 :
498 : #if defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT
499 : extern int getopt (int, char * const *, const char *);
500 : #endif
501 :
502 : #if defined (HAVE_DECL_GETPAGESIZE) && !HAVE_DECL_GETPAGESIZE
503 : extern int getpagesize (void);
504 : #endif
505 :
506 : #if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD
507 : extern char *getwd (char *);
508 : #endif
509 :
510 : #if defined (HAVE_DECL_SBRK) && !HAVE_DECL_SBRK
511 : extern void *sbrk (int);
512 : #endif
513 :
514 : #if defined (HAVE_DECL_SETENV) && !HAVE_DECL_SETENV
515 : int setenv(const char *, const char *, int);
516 : #endif
517 :
518 : #if defined (HAVE_DECL_STRSTR) && !HAVE_DECL_STRSTR
519 : extern char *strstr (const char *, const char *);
520 : #endif
521 :
522 : #if defined (HAVE_DECL_STPCPY) && !HAVE_DECL_STPCPY
523 : extern char *stpcpy (char *, const char *);
524 : #endif
525 :
526 : #if defined (HAVE_DECL_UNSETENV) && !HAVE_DECL_UNSETENV
527 : int unsetenv(const char *);
528 : #endif
529 :
530 : #if defined (HAVE_DECL_MALLOC) && !HAVE_DECL_MALLOC
531 : extern void *malloc (size_t);
532 : #endif
533 :
534 : #if defined (HAVE_DECL_CALLOC) && !HAVE_DECL_CALLOC
535 : extern void *calloc (size_t, size_t);
536 : #endif
537 :
538 : #if defined (HAVE_DECL_REALLOC) && !HAVE_DECL_REALLOC
539 : extern void *realloc (void *, size_t);
540 : #endif
541 :
542 : #ifdef __cplusplus
543 : }
544 : #endif
545 :
546 : #ifdef HAVE_STDINT_H
547 : #include <stdint.h>
548 : #endif
549 :
550 : #ifdef HAVE_INTTYPES_H
551 : #include <inttypes.h>
552 : #endif
553 :
554 : #ifndef SIZE_MAX
555 : # define SIZE_MAX INTTYPE_MAXIMUM (size_t)
556 : #endif
557 :
558 : #ifdef __cplusplus
559 : extern "C" {
560 : #endif
561 :
562 : /* If the system doesn't provide strsignal, we get it defined in
563 : libiberty but no declaration is supplied. */
564 : #if !defined (HAVE_STRSIGNAL) \
565 : || (defined (HAVE_DECL_STRSIGNAL) && !HAVE_DECL_STRSIGNAL)
566 : # ifndef strsignal
567 : extern const char *strsignal (int);
568 : # endif
569 : #endif
570 :
571 : #ifdef HAVE_GETRLIMIT
572 : # if defined (HAVE_DECL_GETRLIMIT) && !HAVE_DECL_GETRLIMIT
573 : # ifndef getrlimit
574 : struct rlimit;
575 : extern int getrlimit (int, struct rlimit *);
576 : # endif
577 : # endif
578 : #endif
579 :
580 : #ifdef HAVE_SETRLIMIT
581 : # if defined (HAVE_DECL_SETRLIMIT) && !HAVE_DECL_SETRLIMIT
582 : # ifndef setrlimit
583 : struct rlimit;
584 : extern int setrlimit (int, const struct rlimit *);
585 : # endif
586 : # endif
587 : #endif
588 :
589 : #if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT
590 : extern void abort (void);
591 : #endif
592 :
593 : #if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
594 : extern int snprintf (char *, size_t, const char *, ...);
595 : #endif
596 :
597 : #if defined (HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF
598 : extern int vsnprintf (char *, size_t, const char *, va_list);
599 : #endif
600 :
601 : #ifdef __cplusplus
602 : }
603 : #endif
604 :
605 : /* 1 if we have C99 designated initializers. */
606 : #if !defined(HAVE_DESIGNATED_INITIALIZERS)
607 : #ifdef __cplusplus
608 : #define HAVE_DESIGNATED_INITIALIZERS 0
609 : #else
610 : #define HAVE_DESIGNATED_INITIALIZERS \
611 : ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L))
612 : #endif
613 : #endif
614 :
615 : #if HAVE_SYS_STAT_H
616 : # include <sys/stat.h>
617 : #endif
618 :
619 : /* Test if something is a normal file. */
620 : #ifndef S_ISREG
621 : #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
622 : #endif
623 :
624 : /* Test if something is a directory. */
625 : #ifndef S_ISDIR
626 : #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
627 : #endif
628 :
629 : /* Test if something is a character special file. */
630 : #ifndef S_ISCHR
631 : #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
632 : #endif
633 :
634 : /* Test if something is a block special file. */
635 : #ifndef S_ISBLK
636 : #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
637 : #endif
638 :
639 : /* Test if something is a socket. */
640 : #ifndef S_ISSOCK
641 : # ifdef S_IFSOCK
642 : # define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
643 : # else
644 : # define S_ISSOCK(m) 0
645 : # endif
646 : #endif
647 :
648 : /* Test if something is a FIFO. */
649 : #ifndef S_ISFIFO
650 : # ifdef S_IFIFO
651 : # define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
652 : # else
653 : # define S_ISFIFO(m) 0
654 : # endif
655 : #endif
656 :
657 : /* Define well known filenos if the system does not define them. */
658 : #ifndef STDIN_FILENO
659 : # define STDIN_FILENO 0
660 : #endif
661 : #ifndef STDOUT_FILENO
662 : # define STDOUT_FILENO 1
663 : #endif
664 : #ifndef STDERR_FILENO
665 : # define STDERR_FILENO 2
666 : #endif
667 :
668 : /* Some systems have mkdir that takes a single argument. */
669 : #ifdef MKDIR_TAKES_ONE_ARG
670 : # define mkdir(a,b) mkdir (a)
671 : #endif
672 :
673 : #ifndef HAVE_KILL
674 : # define kill(p,s) raise (s)
675 : #endif
676 :
677 : /* Provide a way to print an address via printf. */
678 : #ifndef HOST_PTR_PRINTF
679 : #define HOST_PTR_PRINTF "%p"
680 : #endif /* ! HOST_PTR_PRINTF */
681 :
682 : /* By default, colon separates directories in a path. */
683 : #ifndef PATH_SEPARATOR
684 : #define PATH_SEPARATOR ':'
685 : #endif
686 :
687 : /* Filename handling macros. */
688 : #include "filenames.h"
689 :
690 : /* These should be phased out in favor of IS_DIR_SEPARATOR, where possible. */
691 : #ifndef DIR_SEPARATOR
692 : # define DIR_SEPARATOR '/'
693 : # ifdef HAVE_DOS_BASED_FILE_SYSTEM
694 : # define DIR_SEPARATOR_2 '\\'
695 : # endif
696 : #endif
697 :
698 : #if defined (INCLUDE_DLFCN_H) && defined (HAVE_DLFCN_H)
699 : /* If plugin support is enabled, we could use libdl. */
700 : #include <dlfcn.h>
701 : #endif
702 :
703 : /* Do not introduce a gmp.h dependency on the build system. */
704 : #ifndef GENERATOR_FILE
705 : #include <gmp.h>
706 :
707 : class auto_mpz
708 : {
709 : public:
710 20833197 : auto_mpz () { mpz_init (m_mpz); }
711 20833197 : ~auto_mpz () { mpz_clear (m_mpz); }
712 :
713 29154129 : operator mpz_t& () { return m_mpz; }
714 : mpz_ptr operator-> () { return m_mpz; }
715 :
716 : auto_mpz (const auto_mpz &) = delete;
717 : auto_mpz &operator= (const auto_mpz &) = delete;
718 :
719 : #if GCC_VERSION < 4008 || GCC_VERSION >= 5000
720 : /* GCC 4.8 and 4.9 don't support this, only fixed in PR62101 for 5.0. */
721 : friend void mpz_clear (auto_mpz&) = delete;
722 : friend void mpz_init (auto_mpz&) = delete;
723 : #endif
724 :
725 : private:
726 : mpz_t m_mpz;
727 : };
728 : #endif
729 :
730 : /* Get libiberty declarations. */
731 : #include "libiberty.h"
732 :
733 : #undef FFS /* Some systems predefine this symbol; don't let it interfere. */
734 : #undef FLOAT /* Likewise. */
735 : #undef ABS /* Likewise. */
736 : #undef PC /* Likewise. */
737 :
738 : /* Provide a default for the HOST_BIT_BUCKET.
739 : This suffices for POSIX-like hosts. */
740 :
741 : #ifndef HOST_BIT_BUCKET
742 : #define HOST_BIT_BUCKET "/dev/null"
743 : #endif
744 :
745 : #ifndef offsetof
746 : #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
747 : #endif
748 :
749 : /* Various error reporting routines want to use __FUNCTION__. */
750 : #if (GCC_VERSION < 2007)
751 : #ifndef __FUNCTION__
752 : #define __FUNCTION__ "?"
753 : #endif /* ! __FUNCTION__ */
754 : #endif
755 :
756 : /* __builtin_expect(A, B) evaluates to A, but notifies the compiler that
757 : the most likely value of A is B. This feature was added at some point
758 : between 2.95 and 3.0. Let's use 3.0 as the lower bound for now. */
759 : #if (GCC_VERSION < 3000)
760 : #define __builtin_expect(a, b) (a)
761 : #endif
762 :
763 : #define LIKELY(x) (__builtin_expect ((x), 1))
764 : #define UNLIKELY(x) (__builtin_expect ((x), 0))
765 :
766 :
767 : #ifdef INCLUDE_MUTEX
768 : # include <mutex>
769 : #endif
770 :
771 : #ifdef INCLUDE_MALLOC_H
772 : #if defined(HAVE_MALLINFO) || defined(HAVE_MALLINFO2)
773 : #include <malloc.h>
774 : #endif
775 : #endif
776 :
777 : #ifdef INCLUDE_ISL
778 : #ifdef HAVE_isl
779 : #include <isl/options.h>
780 : #include <isl/ctx.h>
781 : #include <isl/val.h>
782 : #include <isl/set.h>
783 : #include <isl/union_set.h>
784 : #include <isl/map.h>
785 : #include <isl/union_map.h>
786 : #include <isl/aff.h>
787 : #include <isl/constraint.h>
788 : #include <isl/flow.h>
789 : #include <isl/ilp.h>
790 : #include <isl/schedule.h>
791 : #include <isl/ast_build.h>
792 : #include <isl/schedule_node.h>
793 : #include <isl/id.h>
794 : #include <isl/space.h>
795 : #endif
796 : #endif
797 :
798 : /* Redefine 'abort' to report an internal error w/o coredump, and
799 : reporting the location of the error in the source file.
800 : Instead of directly calling 'abort' or 'fancy_abort', GCC code
801 : should normally call 'internal_error' with a specific message. */
802 : extern void fancy_abort (const char *, int, const char *)
803 : ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
804 : #define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
805 :
806 : /* Use gcc_assert(EXPR) to test invariants. */
807 : #if ENABLE_ASSERT_CHECKING
808 : #define gcc_assert(EXPR) \
809 : ((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0))
810 : #elif (GCC_VERSION >= 4005)
811 : #define gcc_assert(EXPR) \
812 : ((void)(UNLIKELY (!(EXPR)) ? __builtin_unreachable (), 0 : 0))
813 : #else
814 : /* Include EXPR, so that unused variable warnings do not occur. */
815 : #define gcc_assert(EXPR) ((void)(0 && (EXPR)))
816 : #endif
817 :
818 : #if CHECKING_P
819 : #define gcc_checking_assert(EXPR) gcc_assert (EXPR)
820 : #else
821 : /* N.B.: in release build EXPR is not evaluated. */
822 : #define gcc_checking_assert(EXPR) ((void)(0 && (EXPR)))
823 : #endif
824 :
825 : #if GCC_VERSION >= 4000
826 : #define ALWAYS_INLINE inline __attribute__ ((always_inline))
827 : #else
828 : #define ALWAYS_INLINE inline
829 : #endif
830 :
831 : #if GCC_VERSION >= 3004
832 : #define WARN_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
833 : #else
834 : #define WARN_UNUSED_RESULT
835 : #endif
836 :
837 : /* Use gcc_unreachable() to mark unreachable locations (like an
838 : unreachable default case of a switch. Do not use gcc_assert(0). */
839 : #if (GCC_VERSION >= 4005) && !ENABLE_ASSERT_CHECKING
840 : #define gcc_unreachable() __builtin_unreachable ()
841 : #else
842 : #define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))
843 : #endif
844 :
845 : #if GCC_VERSION >= 7000 && defined(__has_attribute)
846 : # if __has_attribute(fallthrough)
847 : # define gcc_fallthrough() __attribute__((fallthrough))
848 : # else
849 : # define gcc_fallthrough()
850 : # endif
851 : #else
852 : # define gcc_fallthrough()
853 : #endif
854 :
855 : #if GCC_VERSION >= 3001
856 : #define STATIC_CONSTANT_P(X) (__builtin_constant_p (X) && (X))
857 : #else
858 : #define STATIC_CONSTANT_P(X) (false && (X))
859 : #endif
860 :
861 : #ifdef __cplusplus
862 : #define STATIC_ASSERT(X) \
863 : static_assert ((X), #X)
864 : #else
865 : #define STATIC_ASSERT(X) \
866 : typedef int assertion1[(X) ? 1 : -1] ATTRIBUTE_UNUSED
867 : #endif
868 :
869 : /* Provide a fake boolean type. We make no attempt to use the
870 : C99 _Bool, as it may not be available in the bootstrap compiler,
871 : and even if it is, it is liable to be buggy.
872 : This must be after all inclusion of system headers, as some of
873 : them will mess us up. */
874 :
875 : #undef TRUE
876 : #undef FALSE
877 :
878 : #ifdef __cplusplus
879 : /* Obsolete. */
880 : # define TRUE true
881 : # define FALSE false
882 : #else /* !__cplusplus */
883 : # undef bool
884 : # undef true
885 : # undef false
886 :
887 : # define bool unsigned char
888 : # define true 1
889 : # define false 0
890 :
891 : /* Obsolete. */
892 : # define TRUE true
893 : # define FALSE false
894 : #endif /* !__cplusplus */
895 :
896 : /* As the last action in this file, we poison the identifiers that
897 : shouldn't be used. Note, luckily gcc-3.0's token-based integrated
898 : preprocessor won't trip on poisoned identifiers that arrive from
899 : the expansion of macros. E.g. #define strrchr rindex, won't error
900 : if rindex is poisoned after this directive is issued and later on
901 : strrchr is called.
902 :
903 : Note: We define bypass macros for the few cases where we really
904 : want to use the libc memory allocation routines. Otherwise we
905 : insist you use the "x" versions from libiberty. */
906 :
907 : #define really_call_malloc malloc
908 : #define really_call_calloc calloc
909 : #define really_call_realloc realloc
910 :
911 : #if defined(FLEX_SCANNER) || defined(YYBISON) || defined(YYBYACC)
912 : /* Flex and bison use malloc and realloc. Yuk. Note that this means
913 : really_call_* cannot be used in a .l or .y file. */
914 : #define malloc xmalloc
915 : #define realloc xrealloc
916 : #endif
917 :
918 : #if (GCC_VERSION >= 3000)
919 :
920 : /* Note autoconf checks for prototype declarations and includes
921 : system.h while doing so. Only poison these tokens if actually
922 : compiling gcc, so that the autoconf declaration tests for malloc
923 : etc don't spuriously fail. */
924 : #ifdef IN_GCC
925 :
926 : #undef calloc
927 : #undef strdup
928 : #undef strndup
929 : #pragma GCC poison calloc strdup strndup
930 :
931 : #if !defined(FLEX_SCANNER) && !defined(YYBISON)
932 : #undef malloc
933 : #undef realloc
934 : #pragma GCC poison malloc realloc
935 : #endif
936 :
937 : /* The %m format should be used when GCC's main diagnostic functions
938 : supporting %m are available, and xstrerror from libiberty
939 : otherwise. */
940 : #undef strerror
941 : #pragma GCC poison strerror
942 :
943 : /* loc_t is defined on some systems and too inviting for some
944 : programmers to avoid. */
945 : #undef loc_t
946 : #pragma GCC poison loc_t
947 :
948 : /* Old target macros that have moved to the target hooks structure. */
949 : #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN \
950 : FUNCTION_PROLOGUE FUNCTION_EPILOGUE \
951 : FUNCTION_END_PROLOGUE FUNCTION_BEGIN_EPILOGUE \
952 : DECL_MACHINE_ATTRIBUTES COMP_TYPE_ATTRIBUTES INSERT_ATTRIBUTES \
953 : VALID_MACHINE_DECL_ATTRIBUTE VALID_MACHINE_TYPE_ATTRIBUTE \
954 : SET_DEFAULT_TYPE_ATTRIBUTES SET_DEFAULT_DECL_ATTRIBUTES \
955 : MERGE_MACHINE_TYPE_ATTRIBUTES MERGE_MACHINE_DECL_ATTRIBUTES \
956 : MD_INIT_BUILTINS MD_EXPAND_BUILTIN ASM_OUTPUT_CONSTRUCTOR \
957 : ASM_OUTPUT_DESTRUCTOR SIGNED_CHAR_SPEC MAX_CHAR_TYPE_SIZE \
958 : WCHAR_UNSIGNED UNIQUE_SECTION SELECT_SECTION SELECT_RTX_SECTION \
959 : ENCODE_SECTION_INFO STRIP_NAME_ENCODING ASM_GLOBALIZE_LABEL \
960 : ASM_OUTPUT_MI_THUNK CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS \
961 : ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END \
962 : ASM_SIMPLIFY_DWARF_ADDR INIT_TARGET_OPTABS INIT_SUBTARGET_OPTABS \
963 : INIT_GOFAST_OPTABS MULSI3_LIBCALL MULDI3_LIBCALL DIVSI3_LIBCALL \
964 : DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL \
965 : MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \
966 : PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM \
967 : ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS PROMOTE_FUNCTION_MODE \
968 : STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING \
969 : PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM \
970 : SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS \
971 : DEFAULT_SHORT_ENUMS SPLIT_COMPLEX_ARGS MD_ASM_CLOBBERS \
972 : HANDLE_PRAGMA_REDEFINE_EXTNAME HANDLE_PRAGMA_EXTERN_PREFIX \
973 : MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE \
974 : VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN \
975 : FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL \
976 : ALLOCATE_INITIAL_VALUE LEGITIMIZE_ADDRESS FRAME_POINTER_REQUIRED \
977 : CAN_ELIMINATE TRAMPOLINE_TEMPLATE INITIALIZE_TRAMPOLINE \
978 : TRAMPOLINE_ADJUST_ADDRESS STATIC_CHAIN STATIC_CHAIN_INCOMING \
979 : RETURN_POPS_ARGS UNITS_PER_SIMD_WORD OVERRIDE_OPTIONS \
980 : OPTIMIZATION_OPTIONS CLASS_LIKELY_SPILLED_P \
981 : USING_SJLJ_EXCEPTIONS TARGET_UNWIND_INFO \
982 : CAN_DEBUG_WITHOUT_FP UNLIKELY_EXECUTED_TEXT_SECTION_NAME \
983 : HOT_TEXT_SECTION_NAME LEGITIMATE_CONSTANT_P ALWAYS_STRIP_DOTDOT \
984 : OUTPUT_ADDR_CONST_EXTRA SMALL_REGISTER_CLASSES ASM_OUTPUT_IDENT \
985 : ASM_BYTE_OP MEMBER_TYPE_FORCES_BLK LIBGCC2_HAS_SF_MODE \
986 : LIBGCC2_HAS_DF_MODE LIBGCC2_HAS_XF_MODE LIBGCC2_HAS_TF_MODE \
987 : CLEAR_BY_PIECES_P MOVE_BY_PIECES_P SET_BY_PIECES_P \
988 : STORE_BY_PIECES_P TARGET_FLT_EVAL_METHOD \
989 : HARD_REGNO_CALL_PART_CLOBBERED HARD_REGNO_MODE_OK \
990 : MODES_TIEABLE_P FUNCTION_ARG_PADDING SLOW_UNALIGNED_ACCESS \
991 : HARD_REGNO_NREGS SECONDARY_MEMORY_NEEDED_MODE \
992 : SECONDARY_MEMORY_NEEDED CANNOT_CHANGE_MODE_CLASS \
993 : TRULY_NOOP_TRUNCATION FUNCTION_ARG_OFFSET CONSTANT_ALIGNMENT \
994 : STARTING_FRAME_OFFSET FLOAT_TYPE_SIZE DOUBLE_TYPE_SIZE \
995 : LONG_DOUBLE_TYPE_SIZE
996 :
997 : /* Target macros only used for code built for the target, that have
998 : moved to libgcc-tm.h or have never been present elsewhere. */
999 : #pragma GCC poison DECLARE_LIBRARY_RENAMES LIBGCC2_GNU_PREFIX \
1000 : MD_UNWIND_SUPPORT MD_FROB_UPDATE_CONTEXT ENABLE_EXECUTE_STACK \
1001 : REG_VALUE_IN_UNWIND_CONTEXT ASSUME_EXTENDED_UNWIND_CONTEXT
1002 :
1003 : /* Other obsolete target macros, or macros that used to be in target
1004 : headers and were not used, and may be obsolete or may never have
1005 : been used. */
1006 : #pragma GCC poison INT_ASM_OP ASM_OUTPUT_EH_REGION_BEG CPP_PREDEFINES \
1007 : ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT SMALL_STACK \
1008 : DOESNT_NEED_UNWINDER EH_TABLE_LOOKUP OBJC_SELECTORS_WITHOUT_LABELS \
1009 : OMIT_EH_TABLE EASY_DIV_EXPR IMPLICIT_FIX_EXPR \
1010 : LONGJMP_RESTORE_FROM_STACK MAX_INT_TYPE_SIZE ASM_IDENTIFY_GCC \
1011 : STDC_VALUE TRAMPOLINE_ALIGN ASM_IDENTIFY_GCC_AFTER_SOURCE \
1012 : SLOW_ZERO_EXTEND SUBREG_REGNO_OFFSET DWARF_LINE_MIN_INSTR_LENGTH \
1013 : TRADITIONAL_RETURN_FLOAT NO_BUILTIN_SIZE_TYPE \
1014 : NO_BUILTIN_PTRDIFF_TYPE NO_BUILTIN_WCHAR_TYPE NO_BUILTIN_WINT_TYPE \
1015 : BLOCK_PROFILER BLOCK_PROFILER_CODE FUNCTION_BLOCK_PROFILER \
1016 : FUNCTION_BLOCK_PROFILER_EXIT MACHINE_STATE_SAVE \
1017 : MACHINE_STATE_RESTORE SCCS_DIRECTIVE SECTION_ASM_OP BYTEORDER \
1018 : ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL HOST_WORDS_BIG_ENDIAN \
1019 : OBJC_PROLOGUE ALLOCATE_TRAMPOLINE HANDLE_PRAGMA ROUND_TYPE_SIZE \
1020 : ROUND_TYPE_SIZE_UNIT CONST_SECTION_ASM_OP CRT_GET_RFIB_TEXT \
1021 : INSN_CACHE_DEPTH INSN_CACHE_SIZE \
1022 : INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT \
1023 : EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER \
1024 : LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES \
1025 : LOAD_ARGS_REVERSED MAX_INTEGER_COMPUTATION_MODE \
1026 : CONVERT_HARD_REGISTER_TO_SSA_P ASM_OUTPUT_MAIN_SOURCE_FILENAME \
1027 : FIRST_INSN_ADDRESS TEXT_SECTION SHARED_BSS_SECTION_ASM_OP \
1028 : PROMOTED_MODE EXPAND_BUILTIN_VA_END \
1029 : LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE \
1030 : GIV_SORT_CRITERION MAX_LONG_TYPE_SIZE MAX_LONG_DOUBLE_TYPE_SIZE \
1031 : MAX_WCHAR_TYPE_SIZE SHARED_SECTION_ASM_OP INTEGRATE_THRESHOLD \
1032 : FINAL_REG_PARM_STACK_SPACE MAYBE_REG_PARM_STACK_SPACE \
1033 : TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE \
1034 : BUILTIN_SETJMP_FRAME_VALUE \
1035 : SUNOS4_SHARED_LIBRARIES PROMOTE_FOR_CALL_ONLY \
1036 : SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE \
1037 : DEFAULT_MAIN_RETURN TARGET_MEM_FUNCTIONS EXPAND_BUILTIN_VA_ARG \
1038 : COLLECT_PARSE_FLAG DWARF2_GENERATE_TEXT_SECTION_LABEL WINNING_GDB \
1039 : ASM_OUTPUT_FILENAME ASM_OUTPUT_SOURCE_LINE FILE_NAME_JOINER \
1040 : GDB_INV_REF_REGPARM_STABS_LETTER \
1041 : PUT_SDB_SRC_FILE STABS_GCC_MARKER SDB_GENERATE_FAKE \
1042 : NON_SAVING_SETJMP TARGET_LATE_RTL_PROLOGUE_EPILOGUE \
1043 : CASE_DROPS_THROUGH TARGET_BELL TARGET_BS TARGET_CR TARGET_DIGIT0 \
1044 : TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT \
1045 : LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE \
1046 : TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC \
1047 : PREDICATE_CODES SPECIAL_MODE_PREDICATES UNALIGNED_WORD_ASM_OP \
1048 : EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION \
1049 : TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION \
1050 : SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON \
1051 : ASM_OUTPUT_SHARED_LOCAL ASM_MAKE_LABEL_LINKONCE \
1052 : STACK_CHECK_PROBE_INTERVAL STACK_CHECK_PROBE_LOAD \
1053 : ORDER_REGS_FOR_LOCAL_ALLOC FUNCTION_OUTGOING_VALUE \
1054 : ASM_DECLARE_CONSTANT_NAME MODIFY_TARGET_NAME SWITCHES_NEED_SPACES \
1055 : SWITCH_CURTAILS_COMPILATION SWITCH_TAKES_ARG WORD_SWITCH_TAKES_ARG \
1056 : TARGET_OPTION_TRANSLATE_TABLE HANDLE_PRAGMA_PACK_PUSH_POP \
1057 : HANDLE_SYSV_PRAGMA HANDLE_PRAGMA_WEAK CONDITIONAL_REGISTER_USAGE \
1058 : FUNCTION_ARG_BOUNDARY MUST_USE_SJLJ_EXCEPTIONS US_SOFTWARE_GOFAST \
1059 : USING_SVR4_H SVR4_ASM_SPEC FUNCTION_ARG FUNCTION_ARG_ADVANCE \
1060 : FUNCTION_INCOMING_ARG IRA_COVER_CLASSES TARGET_VERSION \
1061 : MACHINE_TYPE TARGET_HAS_TARGETCM ASM_OUTPUT_BSS \
1062 : SETJMP_VIA_SAVE_AREA FORBIDDEN_INC_DEC_CLASSES \
1063 : PREFERRED_OUTPUT_RELOAD_CLASS SYSTEM_INCLUDE_DIR \
1064 : STANDARD_INCLUDE_DIR STANDARD_INCLUDE_COMPONENT \
1065 : LINK_ELIMINATE_DUPLICATE_LDIRECTORIES MIPS_DEBUGGING_INFO \
1066 : IDENT_ASM_OP ALL_COP_ADDITIONAL_REGISTER_NAMES \
1067 : RANGE_TEST_NON_SHORT_CIRCUIT EXTENDED_SDB_BASIC_TYPES \
1068 : REAL_VALUE_TRUNCATE REVERSE_CONDEXEC_PREDICATES_P \
1069 : TARGET_ALIGN_ANON_BITFIELDS TARGET_NARROW_VOLATILE_BITFIELDS \
1070 : IDENT_ASM_OP UNALIGNED_SHORT_ASM_OP UNALIGNED_INT_ASM_OP \
1071 : UNALIGNED_LONG_ASM_OP UNALIGNED_DOUBLE_INT_ASM_OP \
1072 : USE_COMMON_FOR_ONE_ONLY IFCVT_EXTRA_FIELDS IFCVT_INIT_EXTRA_FIELDS \
1073 : CASE_USE_BIT_TESTS FIXUNS_TRUNC_LIKE_FIX_TRUNC \
1074 : GO_IF_MODE_DEPENDENT_ADDRESS DELAY_SLOTS_FOR_EPILOGUE \
1075 : ELIGIBLE_FOR_EPILOGUE_DELAY TARGET_C99_FUNCTIONS TARGET_HAS_SINCOS \
1076 : REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \
1077 : CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT \
1078 : REG_CLASS_FROM_CONSTRAINT REG_CLASS_FOR_CONSTRAINT \
1079 : EXTRA_CONSTRAINT_STR EXTRA_MEMORY_CONSTRAINT \
1080 : EXTRA_ADDRESS_CONSTRAINT CONST_DOUBLE_OK_FOR_CONSTRAINT_P \
1081 : CALLER_SAVE_PROFITABLE LARGEST_EXPONENT_IS_NORMAL \
1082 : ROUND_TOWARDS_ZERO SF_SIZE DF_SIZE XF_SIZE TF_SIZE LIBGCC2_TF_CEXT \
1083 : LIBGCC2_LONG_DOUBLE_TYPE_SIZE STRUCT_VALUE \
1084 : EH_FRAME_IN_DATA_SECTION TARGET_FLT_EVAL_METHOD_NON_DEFAULT \
1085 : JCR_SECTION_NAME TARGET_USE_JCR_SECTION SDB_DEBUGGING_INFO \
1086 : SDB_DEBUG NO_IMPLICIT_EXTERN_C NOTICE_UPDATE_CC \
1087 : CC_STATUS_MDEP_INIT CC_STATUS_MDEP CC_STATUS SLOW_SHORT_ACCESS \
1088 : WIDEST_HARDWARE_FP_SIZE ADA_LONG_TYPE_SIZE
1089 :
1090 : /* Hooks that are no longer used. */
1091 : #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
1092 : LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES \
1093 : LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \
1094 : LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \
1095 : LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \
1096 : LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION \
1097 : TARGET_PROMOTE_FUNCTION_ARGS TARGET_PROMOTE_FUNCTION_RETURN \
1098 : LANG_HOOKS_MISSING_ARGUMENT LANG_HOOKS_HASH_TYPES \
1099 : TARGET_HANDLE_OFAST TARGET_OPTION_OPTIMIZATION \
1100 : TARGET_IRA_COVER_CLASSES TARGET_HELP \
1101 : TARGET_HANDLE_PRAGMA_EXTERN_PREFIX \
1102 : TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN \
1103 : TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD \
1104 : TARGET_MD_ASM_CLOBBERS TARGET_RELAXED_ORDERING \
1105 : TARGET_INVALID_PARAMETER_TYPE \
1106 : TARGET_INVALID_RETURN_TYPE
1107 :
1108 : /* Arrays that were deleted in favor of a functional interface. */
1109 : #pragma GCC poison built_in_decls implicit_built_in_decls
1110 :
1111 : /* Hooks into libgcc2. */
1112 : #pragma GCC poison LIBGCC2_DOUBLE_TYPE_SIZE LIBGCC2_WORDS_BIG_ENDIAN \
1113 : LIBGCC2_FLOAT_WORDS_BIG_ENDIAN
1114 :
1115 : /* Miscellaneous macros that are no longer used. */
1116 : #pragma GCC poison USE_MAPPED_LOCATION GET_ENVIRONMENT \
1117 : HAVE_DESIGNATED_UNION_INITIALIZERS
1118 :
1119 : /* Libiberty macros that are no longer used in GCC. */
1120 : #undef ANSI_PROTOTYPES
1121 : #undef PTR_CONST
1122 : #undef LONG_DOUBLE
1123 : #undef VPARAMS
1124 : #undef VA_OPEN
1125 : #undef VA_FIXEDARG
1126 : #undef VA_CLOSE
1127 : #undef VA_START
1128 : #pragma GCC poison ANSI_PROTOTYPES PTR_CONST LONG_DOUBLE VPARAMS VA_OPEN \
1129 : VA_FIXEDARG VA_CLOSE VA_START
1130 : #endif /* IN_GCC */
1131 :
1132 : /* Front ends should never have to include middle-end headers. Enforce
1133 : this by poisoning the header double-include protection defines. */
1134 : #ifdef IN_GCC_FRONTEND
1135 : #pragma GCC poison GCC_RTL_H GCC_EXCEPT_H GCC_EXPR_H
1136 : #endif
1137 :
1138 : /* Note: not all uses of the `index' token (e.g. variable names and
1139 : structure members) have been eliminated. */
1140 : #undef bcopy
1141 : #undef bzero
1142 : #undef bcmp
1143 : #undef rindex
1144 : #pragma GCC poison bcopy bzero bcmp rindex
1145 :
1146 : /* Poison ENABLE_CHECKING macro that should be replaced with
1147 : 'if (flag_checking)', or with CHECKING_P macro. */
1148 : #pragma GCC poison ENABLE_CHECKING
1149 :
1150 : #endif /* GCC >= 3.0 */
1151 :
1152 : /* Activate certain diagnostics as warnings (not errors via the
1153 : -Werror flag). */
1154 : #if GCC_VERSION >= 4003
1155 : /* If asserts are disabled, activate -Wuninitialized as a warning (not
1156 : an error/-Werror). */
1157 : #ifndef ENABLE_ASSERT_CHECKING
1158 : #pragma GCC diagnostic warning "-Wuninitialized"
1159 : #endif
1160 : #endif
1161 :
1162 : #ifdef ENABLE_VALGRIND_ANNOTATIONS
1163 : #include <valgrind/memcheck.h>
1164 : #else
1165 : /* VALGRIND_DISCARD unregisters the given block handle,
1166 : but our code misuses it for discarding annotations. */
1167 : #define VALGRIND_DISCARD(x)
1168 : #endif
1169 :
1170 : /* Macros to temporarily ignore some warnings. */
1171 : #if GCC_VERSION >= 6000
1172 : #define GCC_DIAGNOSTIC_STRINGIFY(x) #x
1173 : #define GCC_DIAGNOSTIC_PUSH_IGNORED(x) \
1174 : _Pragma ("GCC diagnostic push") \
1175 : _Pragma (GCC_DIAGNOSTIC_STRINGIFY (GCC diagnostic ignored #x))
1176 : #define GCC_DIAGNOSTIC_POP _Pragma ("GCC diagnostic pop")
1177 : #else
1178 : #define GCC_DIAGNOSTIC_PUSH_IGNORED(x)
1179 : #define GCC_DIAGNOSTIC_POP
1180 : #endif
1181 :
1182 : /* In LTO -fwhole-program build we still want to keep the debug functions available
1183 : for debugger. Mark them as used to prevent removal. */
1184 : #if (GCC_VERSION > 4000)
1185 : #define DEBUG_FUNCTION __attribute__ ((__used__))
1186 : #define DEBUG_VARIABLE __attribute__ ((__used__))
1187 : #else
1188 : #define DEBUG_FUNCTION
1189 : #define DEBUG_VARIABLE
1190 : #endif
1191 :
1192 : /* General macro to extract bit Y of X. */
1193 : #define TEST_BIT(X, Y) (((X) >> (Y)) & 1)
1194 :
1195 : /* Get definitions of HOST_WIDE_INT. */
1196 : #include "hwint.h"
1197 :
1198 : typedef int sort_r_cmp_fn (const void *, const void *, void *);
1199 : void qsort_chk (void *, size_t, size_t, sort_r_cmp_fn *, void *);
1200 : void gcc_sort_r (void *, size_t, size_t, sort_r_cmp_fn *, void *);
1201 : void gcc_qsort (void *, size_t, size_t, int (*)(const void *, const void *));
1202 : void gcc_stablesort (void *, size_t, size_t,
1203 : int (*)(const void *, const void *));
1204 : void gcc_stablesort_r (void *, size_t, size_t, sort_r_cmp_fn *, void *data);
1205 : /* Redirect four-argument qsort calls to gcc_qsort; one-argument invocations
1206 : correspond to vec::qsort, and use C qsort internally. */
1207 : #define PP_5th(a1, a2, a3, a4, a5, ...) a5
1208 : #undef qsort
1209 : #define qsort(...) PP_5th (__VA_ARGS__, gcc_qsort, 3, 2, qsort, 0) (__VA_ARGS__)
1210 :
1211 : #define ONE_K 1024
1212 : #define ONE_M (ONE_K * ONE_K)
1213 : #define ONE_G (ONE_K * ONE_M)
1214 :
1215 : /* Display a number as an integer multiple of either:
1216 : - 1024, if said integer is >= to 10 K (in base 2)
1217 : - 1024 * 1024, if said integer is >= 10 M in (base 2)
1218 : */
1219 : #define SIZE_SCALE(x) (((x) < 10 * ONE_K \
1220 : ? (x) \
1221 : : ((x) < 10 * ONE_M \
1222 : ? (x) / ONE_K \
1223 : : (x) / ONE_M)))
1224 :
1225 : /* For a given integer, display either:
1226 : - the character 'k', if the number is higher than 10 K (in base 2)
1227 : but strictly lower than 10 M (in base 2)
1228 : - the character 'M' if the number is higher than 10 M (in base2)
1229 : - the character ' ' if the number is strictly lower than 10 K */
1230 : #define SIZE_LABEL(x) ((x) < 10 * ONE_K ? ' ' : ((x) < 10 * ONE_M ? 'k' : 'M'))
1231 :
1232 : /* Display an integer amount as multiple of 1K or 1M (in base 2).
1233 : Display the correct unit (either k, M, or ' ') after the amount, as
1234 : well. */
1235 : #define SIZE_AMOUNT(size) (uint64_t)SIZE_SCALE (size), SIZE_LABEL (size)
1236 :
1237 : /* Format string particle for printing a SIZE_AMOUNT with N being the width
1238 : of the number. */
1239 : #define PRsa(n) "%" #n PRIu64 "%c"
1240 :
1241 : /* System headers may define NULL to be an integer (e.g. 0L), which cannot be
1242 : used safely in certain contexts (e.g. as sentinels). Redefine NULL to
1243 : nullptr in order to make it safer. Note that this might confuse system
1244 : headers, however, by convention they must not be included after this point.
1245 : */
1246 : #ifdef __cplusplus
1247 : #undef NULL
1248 : #define NULL nullptr
1249 : #endif
1250 :
1251 : /* Workaround clang on PowerPC which has vec_step as reserved keyword
1252 : rather than function-like macro defined in <altivec.h>. See PR114369. */
1253 : #if defined(__clang__) && defined(__powerpc__)
1254 : #define vec_step vec_step_
1255 : #endif
1256 :
1257 : /* Return true if STR string starts with PREFIX. */
1258 :
1259 : inline bool
1260 1957252166 : startswith (const char *str, const char *prefix)
1261 : {
1262 1957252166 : return strncmp (str, prefix, strlen (prefix)) == 0;
1263 : }
1264 :
1265 : /* Return true if STR string ends with SUFFIX. */
1266 :
1267 : inline bool
1268 297 : endswith (const char *str, const char *suffix)
1269 : {
1270 297 : size_t str_len = strlen (str);
1271 297 : size_t suffix_len = strlen (suffix);
1272 297 : if (str_len < suffix_len)
1273 : return false;
1274 :
1275 297 : return memcmp (str + str_len - suffix_len, suffix, suffix_len) == 0;
1276 : }
1277 :
1278 : #endif /* ! GCC_SYSTEM_H */
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