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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [system.h] - Blame information for rev 841

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1 38 julius
/* Get common system includes and various definitions and declarations based
2
   on autoconf macros.
3
   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
4
   Free Software Foundation, Inc.
5
 
6
This file is part of GCC.
7
 
8
GCC is free software; you can redistribute it and/or modify it under
9
the terms of the GNU General Public License as published by the Free
10
Software Foundation; either version 3, or (at your option) any later
11
version.
12
 
13
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14
WARRANTY; without even the implied warranty of MERCHANTABILITY or
15
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16
for more details.
17
 
18
You should have received a copy of the GNU General Public License
19
along with GCC; see the file COPYING3.  If not see
20
<http://www.gnu.org/licenses/>.  */
21
 
22
 
23
#ifndef GCC_SYSTEM_H
24
#define GCC_SYSTEM_H
25
 
26
/* We must include stdarg.h before stdio.h.  */
27
#include <stdarg.h>
28
 
29
#ifndef va_copy
30
# ifdef __va_copy
31
#   define va_copy(d,s)  __va_copy((d),(s))
32
# else
33
#   define va_copy(d,s)  ((d) = (s))
34
# endif
35
#endif
36
 
37
#ifdef HAVE_STDDEF_H
38
# include <stddef.h>
39
#endif
40
 
41
#include <stdio.h>
42
 
43
/* Define a generic NULL if one hasn't already been defined.  */
44
#ifndef NULL
45
#define NULL 0
46
#endif
47
 
48
/* Use the unlocked open routines from libiberty.  */
49
#define fopen(PATH,MODE) fopen_unlocked(PATH,MODE)
50
#define fdopen(FILDES,MODE) fdopen_unlocked(FILDES,MODE)
51
#define freopen(PATH,MODE,STREAM) freopen_unlocked(PATH,MODE,STREAM)
52
 
53
/* The compiler is not a multi-threaded application and therefore we
54
   do not have to use the locking functions.  In fact, using the locking
55
   functions can cause the compiler to be significantly slower under
56
   I/O bound conditions (such as -g -O0 on very large source files).
57
 
58
   HAVE_DECL_PUTC_UNLOCKED actually indicates whether or not the stdio
59
   code is multi-thread safe by default.  If it is set to 0, then do
60
   not worry about using the _unlocked functions.
61
 
62
   fputs_unlocked, fwrite_unlocked, and fprintf_unlocked are
63
   extensions and need to be prototyped by hand (since we do not
64
   define _GNU_SOURCE).  */
65
 
66
#if defined HAVE_DECL_PUTC_UNLOCKED && HAVE_DECL_PUTC_UNLOCKED
67
 
68
# ifdef HAVE_PUTC_UNLOCKED
69
#  undef putc
70
#  define putc(C, Stream) putc_unlocked (C, Stream)
71
# endif
72
# ifdef HAVE_PUTCHAR_UNLOCKED
73
#  undef putchar
74
#  define putchar(C) putchar_unlocked (C)
75
# endif
76
# ifdef HAVE_GETC_UNLOCKED
77
#  undef getc
78
#  define getc(Stream) getc_unlocked (Stream)
79
# endif
80
# ifdef HAVE_GETCHAR_UNLOCKED
81
#  undef getchar
82
#  define getchar() getchar_unlocked ()
83
# endif
84
# ifdef HAVE_FPUTC_UNLOCKED
85
#  undef fputc
86
#  define fputc(C, Stream) fputc_unlocked (C, Stream)
87
# endif
88
 
89
# ifdef HAVE_CLEARERR_UNLOCKED
90
#  undef clearerr
91
#  define clearerr(Stream) clearerr_unlocked (Stream)
92
#  if defined (HAVE_DECL_CLEARERR_UNLOCKED) && !HAVE_DECL_CLEARERR_UNLOCKED
93
extern void clearerr_unlocked (FILE *);
94
#  endif
95
# endif
96
# ifdef HAVE_FEOF_UNLOCKED
97
#  undef feof
98
#  define feof(Stream) feof_unlocked (Stream)
99
#  if defined (HAVE_DECL_FEOF_UNLOCKED) && !HAVE_DECL_FEOF_UNLOCKED
100
extern int feof_unlocked (FILE *);
101
#  endif
102
# endif
103
# ifdef HAVE_FILENO_UNLOCKED
104
#  undef fileno
105
#  define fileno(Stream) fileno_unlocked (Stream)
106
#  if defined (HAVE_DECL_FILENO_UNLOCKED) && !HAVE_DECL_FILENO_UNLOCKED
107
extern int fileno_unlocked (FILE *);
108
#  endif
109
# endif
110
# ifdef HAVE_FFLUSH_UNLOCKED
111
#  undef fflush
112
#  define fflush(Stream) fflush_unlocked (Stream)
113
#  if defined (HAVE_DECL_FFLUSH_UNLOCKED) && !HAVE_DECL_FFLUSH_UNLOCKED
114
extern int fflush_unlocked (FILE *);
115
#  endif
116
# endif
117
# ifdef HAVE_FGETC_UNLOCKED
118
#  undef fgetc
119
#  define fgetc(Stream) fgetc_unlocked (Stream)
120
#  if defined (HAVE_DECL_FGETC_UNLOCKED) && !HAVE_DECL_FGETC_UNLOCKED
121
extern int fgetc_unlocked (FILE *);
122
#  endif
123
# endif
124
# ifdef HAVE_FGETS_UNLOCKED
125
#  undef fgets
126
#  define fgets(S, n, Stream) fgets_unlocked (S, n, Stream)
127
#  if defined (HAVE_DECL_FGETS_UNLOCKED) && !HAVE_DECL_FGETS_UNLOCKED
128
extern char *fgets_unlocked (char *, int, FILE *);
129
#  endif
130
# endif
131
# ifdef HAVE_FPUTS_UNLOCKED
132
#  undef fputs
133
#  define fputs(String, Stream) fputs_unlocked (String, Stream)
134
#  if defined (HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED
135
extern int fputs_unlocked (const char *, FILE *);
136
#  endif
137
# endif
138
# ifdef HAVE_FERROR_UNLOCKED
139
#  undef ferror
140
#  define ferror(Stream) ferror_unlocked (Stream)
141
#  if defined (HAVE_DECL_FERROR_UNLOCKED) && !HAVE_DECL_FERROR_UNLOCKED
142
extern int ferror_unlocked (FILE *);
143
#  endif
144
# endif
145
# ifdef HAVE_FREAD_UNLOCKED
146
#  undef fread
147
#  define fread(Ptr, Size, N, Stream) fread_unlocked (Ptr, Size, N, Stream)
148
#  if defined (HAVE_DECL_FREAD_UNLOCKED) && !HAVE_DECL_FREAD_UNLOCKED
149
extern size_t fread_unlocked (void *, size_t, size_t, FILE *);
150
#  endif
151
# endif
152
# ifdef HAVE_FWRITE_UNLOCKED
153
#  undef fwrite
154
#  define fwrite(Ptr, Size, N, Stream) fwrite_unlocked (Ptr, Size, N, Stream)
155
#  if defined (HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED
156
extern size_t fwrite_unlocked (const void *, size_t, size_t, FILE *);
157
#  endif
158
# endif
159
# ifdef HAVE_FPRINTF_UNLOCKED
160
#  undef fprintf
161
/* We can't use a function-like macro here because we don't know if
162
   we have varargs macros.  */
163
#  define fprintf fprintf_unlocked
164
#  if defined (HAVE_DECL_FPRINTF_UNLOCKED) && !HAVE_DECL_FPRINTF_UNLOCKED
165
extern int fprintf_unlocked (FILE *, const char *, ...);
166
#  endif
167
# endif
168
 
169
#endif
170
 
171
/* ??? Glibc's fwrite/fread_unlocked macros cause
172
   "warning: signed and unsigned type in conditional expression".  */
173
#undef fread_unlocked
174
#undef fwrite_unlocked
175
 
176
/* There are an extraordinary number of issues with <ctype.h>.
177
   The last straw is that it varies with the locale.  Use libiberty's
178
   replacement instead.  */
179
#include <safe-ctype.h>
180
 
181
#include <sys/types.h>
182
 
183
#include <errno.h>
184
 
185
#if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO
186
extern int errno;
187
#endif
188
 
189
/* Some of glibc's string inlines cause warnings.  Plus we'd rather
190
   rely on (and therefore test) GCC's string builtins.  */
191
#define __NO_STRING_INLINES
192
 
193
#ifdef STRING_WITH_STRINGS
194
# include <string.h>
195
# include <strings.h>
196
#else
197
# ifdef HAVE_STRING_H
198
#  include <string.h>
199
# else
200
#  ifdef HAVE_STRINGS_H
201
#   include <strings.h>
202
#  endif
203
# endif
204
#endif
205
 
206
#ifdef HAVE_STDLIB_H
207
# include <stdlib.h>
208
#endif
209
 
210
/* If we don't have an overriding definition, set SUCCESS_EXIT_CODE and
211
   FATAL_EXIT_CODE to EXIT_SUCCESS and EXIT_FAILURE respectively,
212
   or 0 and 1 if those macros are not defined.  */
213
#ifndef SUCCESS_EXIT_CODE
214
# ifdef EXIT_SUCCESS
215
#  define SUCCESS_EXIT_CODE EXIT_SUCCESS
216
# else
217
#  define SUCCESS_EXIT_CODE 0
218
# endif
219
#endif
220
 
221
#ifndef FATAL_EXIT_CODE
222
# ifdef EXIT_FAILURE
223
#  define FATAL_EXIT_CODE EXIT_FAILURE
224
# else
225
#  define FATAL_EXIT_CODE 1
226
# endif
227
#endif
228
 
229
#define ICE_EXIT_CODE 4
230
 
231
#ifdef HAVE_UNISTD_H
232
# include <unistd.h>
233
#endif
234
 
235
#ifdef HAVE_SYS_PARAM_H
236
# include <sys/param.h>
237
/* We use this identifier later and it appears in some vendor param.h's.  */
238
# undef PREFETCH
239
#endif
240
 
241
#if HAVE_LIMITS_H
242
# include <limits.h>
243
#endif
244
 
245
/* Get definitions of HOST_WIDE_INT and HOST_WIDEST_INT.  */
246
#include "hwint.h"
247
 
248
/* A macro to determine whether a VALUE lies inclusively within a
249
   certain range without evaluating the VALUE more than once.  This
250
   macro won't warn if the VALUE is unsigned and the LOWER bound is
251
   zero, as it would e.g. with "VALUE >= 0 && ...".  Note the LOWER
252
   bound *is* evaluated twice, and LOWER must not be greater than
253
   UPPER.  However the bounds themselves can be either positive or
254
   negative.  */
255
#define IN_RANGE(VALUE, LOWER, UPPER) \
256
  ((unsigned HOST_WIDE_INT)((VALUE) - (LOWER)) <= ((UPPER) - (LOWER)))
257
 
258
/* Infrastructure for defining missing _MAX and _MIN macros.  Note that
259
   macros defined with these cannot be used in #if.  */
260
 
261
/* The extra casts work around common compiler bugs.  */
262
#define INTTYPE_SIGNED(t) (! ((t) 0 < (t) -1))
263
/* The outer cast is needed to work around a bug in Cray C 5.0.3.0.
264
   It is necessary at least when t == time_t.  */
265
#define INTTYPE_MINIMUM(t) ((t) (INTTYPE_SIGNED (t) \
266
                             ? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
267
#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
268
 
269
/* Use that infrastructure to provide a few constants.  */
270
#ifndef UCHAR_MAX
271
# define UCHAR_MAX INTTYPE_MAXIMUM (unsigned char)
272
#endif
273
 
274
#ifdef TIME_WITH_SYS_TIME
275
# include <sys/time.h>
276
# include <time.h>
277
#else
278
# if HAVE_SYS_TIME_H
279
#  include <sys/time.h>
280
# else
281
#  ifdef HAVE_TIME_H
282
#   include <time.h>
283
#  endif
284
# endif
285
#endif
286
 
287
#ifdef HAVE_FCNTL_H
288
# include <fcntl.h>
289
#else
290
# ifdef HAVE_SYS_FILE_H
291
#  include <sys/file.h>
292
# endif
293
#endif
294
 
295
#ifndef SEEK_SET
296
# define SEEK_SET 0
297
# define SEEK_CUR 1
298
# define SEEK_END 2
299
#endif
300
#ifndef F_OK
301
# define F_OK 0
302
# define X_OK 1
303
# define W_OK 2
304
# define R_OK 4
305
#endif
306
#ifndef O_RDONLY
307
# define O_RDONLY 0
308
#endif
309
#ifndef O_WRONLY
310
# define O_WRONLY 1
311
#endif
312
 
313
/* Some systems define these in, e.g., param.h.  We undefine these names
314
   here to avoid the warnings.  We prefer to use our definitions since we
315
   know they are correct.  */
316
 
317
#undef MIN
318
#undef MAX
319
#define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
320
#define MAX(X,Y) ((X) > (Y) ? (X) : (Y))
321
 
322
/* Returns the least number N such that N * Y >= X.  */
323
#define CEIL(x,y) (((x) + (y) - 1) / (y))
324
 
325
#ifdef HAVE_SYS_WAIT_H
326
#include <sys/wait.h>
327
#endif
328
 
329
#ifndef WIFSIGNALED
330
#define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
331
#endif
332
#ifndef WTERMSIG
333
#define WTERMSIG(S) ((S) & 0x7f)
334
#endif
335
#ifndef WIFEXITED
336
#define WIFEXITED(S) (((S) & 0xff) == 0)
337
#endif
338
#ifndef WEXITSTATUS
339
#define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
340
#endif
341
#ifndef WSTOPSIG
342
#define WSTOPSIG WEXITSTATUS
343
#endif
344
#ifndef WCOREDUMP
345
#define WCOREDUMP(S) ((S) & WCOREFLG)
346
#endif
347
#ifndef WCOREFLG
348
#define WCOREFLG 0200
349
#endif
350
 
351
/* The HAVE_DECL_* macros are three-state, undefined, 0 or 1.  If they
352
   are defined to 0 then we must provide the relevant declaration
353
   here.  These checks will be in the undefined state while configure
354
   is running so be careful to test "defined (HAVE_DECL_*)".  */
355
 
356
#if defined (HAVE_DECL_ATOF) && !HAVE_DECL_ATOF
357
extern double atof (const char *);
358
#endif
359
 
360
#if defined (HAVE_DECL_ATOL) && !HAVE_DECL_ATOL
361
extern long atol (const char *);
362
#endif
363
 
364
#if defined (HAVE_DECL_FREE) && !HAVE_DECL_FREE
365
extern void free (void *);
366
#endif
367
 
368
#if defined (HAVE_DECL_GETCWD) && !HAVE_DECL_GETCWD
369
extern char *getcwd (char *, size_t);
370
#endif
371
 
372
#if defined (HAVE_DECL_GETENV) && !HAVE_DECL_GETENV
373
extern char *getenv (const char *);
374
#endif
375
 
376
#if defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT
377
extern int getopt (int, char * const *, const char *);
378
#endif
379
 
380
#if defined (HAVE_DECL_GETPAGESIZE) && !HAVE_DECL_GETPAGESIZE
381
extern int getpagesize (void);
382
#endif
383
 
384
#if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD
385
extern char *getwd (char *);
386
#endif
387
 
388
#if defined (HAVE_DECL_SBRK) && !HAVE_DECL_SBRK
389
extern void *sbrk (int);
390
#endif
391
 
392
#if defined (HAVE_DECL_STRSTR) && !HAVE_DECL_STRSTR
393
extern char *strstr (const char *, const char *);
394
#endif
395
 
396
#ifdef HAVE_MALLOC_H
397
#include <malloc.h>
398
#endif
399
 
400
#if defined (HAVE_DECL_MALLOC) && !HAVE_DECL_MALLOC
401
extern void *malloc (size_t);
402
#endif
403
 
404
#if defined (HAVE_DECL_CALLOC) && !HAVE_DECL_CALLOC
405
extern void *calloc (size_t, size_t);
406
#endif
407
 
408
#if defined (HAVE_DECL_REALLOC) && !HAVE_DECL_REALLOC
409
extern void *realloc (void *, size_t);
410
#endif
411
 
412
/* If the system doesn't provide strsignal, we get it defined in
413
   libiberty but no declaration is supplied.  */
414
#if !defined (HAVE_STRSIGNAL) \
415
    || (defined (HAVE_DECL_STRSIGNAL) && !HAVE_DECL_STRSIGNAL)
416
# ifndef strsignal
417
extern const char *strsignal (int);
418
# endif
419
#endif
420
 
421
#ifdef HAVE_GETRLIMIT
422
# if defined (HAVE_DECL_GETRLIMIT) && !HAVE_DECL_GETRLIMIT
423
#  ifndef getrlimit
424
struct rlimit;
425
extern int getrlimit (int, struct rlimit *);
426
#  endif
427
# endif
428
#endif
429
 
430
#ifdef HAVE_SETRLIMIT
431
# if defined (HAVE_DECL_SETRLIMIT) && !HAVE_DECL_SETRLIMIT
432
#  ifndef setrlimit
433
struct rlimit;
434
extern int setrlimit (int, const struct rlimit *);
435
#  endif
436
# endif
437
#endif
438
 
439
#if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT
440
extern void abort (void);
441
#endif
442
 
443
#if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
444
extern int snprintf (char *, size_t, const char *, ...);
445
#endif
446
 
447
#if defined (HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF
448
extern int vsnprintf(char *, size_t, const char *, va_list);
449
#endif
450
 
451
/* 1 if we have C99 designated initializers.  */
452
#if !defined(HAVE_DESIGNATED_INITIALIZERS)
453
#define HAVE_DESIGNATED_INITIALIZERS \
454
  ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L))
455
#endif
456
 
457
#if HAVE_SYS_STAT_H
458
# include <sys/stat.h>
459
#endif
460
 
461
/* Test if something is a normal file.  */
462
#ifndef S_ISREG
463
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
464
#endif
465
 
466
/* Test if something is a directory.  */
467
#ifndef S_ISDIR
468
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
469
#endif
470
 
471
/* Test if something is a character special file.  */
472
#ifndef S_ISCHR
473
#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
474
#endif
475
 
476
/* Test if something is a block special file.  */
477
#ifndef S_ISBLK
478
#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
479
#endif
480
 
481
/* Test if something is a socket.  */
482
#ifndef S_ISSOCK
483
# ifdef S_IFSOCK
484
#   define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
485
# else
486
#   define S_ISSOCK(m) 0
487
# endif
488
#endif
489
 
490
/* Test if something is a FIFO.  */
491
#ifndef S_ISFIFO
492
# ifdef S_IFIFO
493
#  define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
494
# else
495
#  define S_ISFIFO(m) 0
496
# endif
497
#endif
498
 
499
/* Define well known filenos if the system does not define them.  */
500
#ifndef STDIN_FILENO
501
# define STDIN_FILENO   0
502
#endif
503
#ifndef STDOUT_FILENO
504
# define STDOUT_FILENO  1
505
#endif
506
#ifndef STDERR_FILENO
507
# define STDERR_FILENO  2
508
#endif
509
 
510
/* Some systems have mkdir that takes a single argument.  */
511
#ifdef MKDIR_TAKES_ONE_ARG
512
# define mkdir(a,b) mkdir(a)
513
#endif
514
 
515
/* By default, colon separates directories in a path.  */
516
#ifndef PATH_SEPARATOR
517
#define PATH_SEPARATOR ':'
518
#endif
519
 
520
/* Filename handling macros.  */
521
#include "filenames.h"
522
 
523
/* These should be phased out in favor of IS_DIR_SEPARATOR, where possible.  */
524
#ifndef DIR_SEPARATOR
525
# define DIR_SEPARATOR '/'
526
# ifdef HAVE_DOS_BASED_FILE_SYSTEM
527
#  define DIR_SEPARATOR_2 '\\'
528
# endif
529
#endif
530
 
531
/* Get libiberty declarations.  */
532
#include "libiberty.h"
533
 
534
/* Provide a default for the HOST_BIT_BUCKET.
535
   This suffices for POSIX-like hosts.  */
536
 
537
#ifndef HOST_BIT_BUCKET
538
#define HOST_BIT_BUCKET "/dev/null"
539
#endif
540
 
541
/* Be conservative and only use enum bitfields with GCC.
542
   FIXME: provide a complete autoconf test for buggy enum bitfields.  */
543
 
544
#if (GCC_VERSION > 2000)
545
#define ENUM_BITFIELD(TYPE) __extension__ enum TYPE
546
#else
547
#define ENUM_BITFIELD(TYPE) unsigned int
548
#endif
549
 
550
#ifndef offsetof
551
#define offsetof(TYPE, MEMBER)  ((size_t) &((TYPE *) 0)->MEMBER)
552
#endif
553
 
554
/* Various error reporting routines want to use __FUNCTION__.  */
555
#if (GCC_VERSION < 2007)
556
#ifndef __FUNCTION__
557
#define __FUNCTION__ "?"
558
#endif /* ! __FUNCTION__ */
559
#endif
560
 
561
/* __builtin_expect(A, B) evaluates to A, but notifies the compiler that
562
   the most likely value of A is B.  This feature was added at some point
563
   between 2.95 and 3.0.  Let's use 3.0 as the lower bound for now.  */
564
#if (GCC_VERSION < 3000)
565
#define __builtin_expect(a, b) (a)
566
#endif
567
 
568
/* Redefine abort to report an internal error w/o coredump, and
569
   reporting the location of the error in the source file.  */
570
extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
571
#define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
572
 
573
/* Use gcc_assert(EXPR) to test invariants.  */
574
#if ENABLE_ASSERT_CHECKING
575
#define gcc_assert(EXPR)                                                \
576
   ((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0))
577
#else
578
/* Include EXPR, so that unused variable warnings do not occur.  */
579
#define gcc_assert(EXPR) ((void)(0 && (EXPR)))
580
#endif
581
 
582
/* Use gcc_unreachable() to mark unreachable locations (like an
583
   unreachable default case of a switch.  Do not use gcc_assert(0).  */
584
#define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))
585
 
586
/* Provide a fake boolean type.  We make no attempt to use the
587
   C99 _Bool, as it may not be available in the bootstrap compiler,
588
   and even if it is, it is liable to be buggy.
589
   This must be after all inclusion of system headers, as some of
590
   them will mess us up.  */
591
 
592
#undef TRUE
593
#undef FALSE
594
 
595
#ifdef __cplusplus
596
  /* Obsolete.  */
597
# define TRUE true
598
# define FALSE false
599
#else /* !__cplusplus */
600
# undef bool
601
# undef true
602
# undef false
603
 
604
# define bool unsigned char
605
# define true 1
606
# define false 0
607
 
608
  /* Obsolete.  */
609
# define TRUE true
610
# define FALSE false
611
#endif /* !__cplusplus */
612
 
613
/* Get definition of double_int.  */
614
#include "double-int.h"
615
 
616
/* Some compilers do not allow the use of unsigned char in bitfields.  */
617
#define BOOL_BITFIELD unsigned int
618
 
619
/* As the last action in this file, we poison the identifiers that
620
   shouldn't be used.  Note, luckily gcc-3.0's token-based integrated
621
   preprocessor won't trip on poisoned identifiers that arrive from
622
   the expansion of macros.  E.g. #define strrchr rindex, won't error
623
   if rindex is poisoned after this directive is issued and later on
624
   strrchr is called.
625
 
626
   Note: We define bypass macros for the few cases where we really
627
   want to use the libc memory allocation routines.  Otherwise we
628
   insist you use the "x" versions from libiberty.  */
629
 
630
#define really_call_malloc malloc
631
#define really_call_calloc calloc
632
#define really_call_realloc realloc
633
 
634
#if defined(FLEX_SCANNER) || defined(YYBISON) || defined(YYBYACC)
635
/* Flex and bison use malloc and realloc.  Yuk.  Note that this means
636
   really_call_* cannot be used in a .l or .y file.  */
637
#define malloc xmalloc
638
#define realloc xrealloc
639
#endif
640
 
641
#if (GCC_VERSION >= 3000)
642
 
643
/* Note autoconf checks for prototype declarations and includes
644
   system.h while doing so.  Only poison these tokens if actually
645
   compiling gcc, so that the autoconf declaration tests for malloc
646
   etc don't spuriously fail.  */
647
#ifdef IN_GCC
648
#undef calloc
649
#undef strdup
650
 #pragma GCC poison calloc strdup
651
 
652
#if !defined(FLEX_SCANNER) && !defined(YYBISON)
653
#undef malloc
654
#undef realloc
655
 #pragma GCC poison malloc realloc
656
#endif
657
 
658
/* Old target macros that have moved to the target hooks structure.  */
659
 #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN                      \
660
        FUNCTION_PROLOGUE FUNCTION_EPILOGUE                             \
661
        FUNCTION_END_PROLOGUE FUNCTION_BEGIN_EPILOGUE                   \
662
        DECL_MACHINE_ATTRIBUTES COMP_TYPE_ATTRIBUTES INSERT_ATTRIBUTES  \
663
        VALID_MACHINE_DECL_ATTRIBUTE VALID_MACHINE_TYPE_ATTRIBUTE       \
664
        SET_DEFAULT_TYPE_ATTRIBUTES SET_DEFAULT_DECL_ATTRIBUTES         \
665
        MERGE_MACHINE_TYPE_ATTRIBUTES MERGE_MACHINE_DECL_ATTRIBUTES     \
666
        MD_INIT_BUILTINS MD_EXPAND_BUILTIN ASM_OUTPUT_CONSTRUCTOR       \
667
        ASM_OUTPUT_DESTRUCTOR SIGNED_CHAR_SPEC MAX_CHAR_TYPE_SIZE       \
668
        WCHAR_UNSIGNED UNIQUE_SECTION SELECT_SECTION SELECT_RTX_SECTION \
669
        ENCODE_SECTION_INFO STRIP_NAME_ENCODING ASM_GLOBALIZE_LABEL     \
670
        ASM_OUTPUT_MI_THUNK CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS     \
671
        ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END \
672
        ASM_SIMPLIFY_DWARF_ADDR INIT_TARGET_OPTABS INIT_SUBTARGET_OPTABS \
673
        INIT_GOFAST_OPTABS MULSI3_LIBCALL MULDI3_LIBCALL DIVSI3_LIBCALL \
674
        DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL   \
675
        MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \
676
        PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM     \
677
        ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS                   \
678
        STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING                    \
679
        PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM  \
680
        SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS                  \
681
        DEFAULT_SHORT_ENUMS SPLIT_COMPLEX_ARGS MD_ASM_CLOBBERS          \
682
        HANDLE_PRAGMA_REDEFINE_EXTNAME HANDLE_PRAGMA_EXTERN_PREFIX      \
683
        MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE               \
684
        VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN                  \
685
        FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL              \
686
        ALLOCATE_INITIAL_VALUE
687
 
688
/* Other obsolete target macros, or macros that used to be in target
689
   headers and were not used, and may be obsolete or may never have
690
   been used.  */
691
 #pragma GCC poison INT_ASM_OP ASM_OUTPUT_EH_REGION_BEG CPP_PREDEFINES     \
692
        ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT SMALL_STACK    \
693
        DOESNT_NEED_UNWINDER EH_TABLE_LOOKUP OBJC_SELECTORS_WITHOUT_LABELS \
694
        OMIT_EH_TABLE EASY_DIV_EXPR IMPLICIT_FIX_EXPR                      \
695
        LONGJMP_RESTORE_FROM_STACK MAX_INT_TYPE_SIZE ASM_IDENTIFY_GCC      \
696
        STDC_VALUE TRAMPOLINE_ALIGN ASM_IDENTIFY_GCC_AFTER_SOURCE          \
697
        SLOW_ZERO_EXTEND SUBREG_REGNO_OFFSET DWARF_LINE_MIN_INSTR_LENGTH   \
698
        TRADITIONAL_RETURN_FLOAT NO_BUILTIN_SIZE_TYPE                      \
699
        NO_BUILTIN_PTRDIFF_TYPE NO_BUILTIN_WCHAR_TYPE NO_BUILTIN_WINT_TYPE \
700
        BLOCK_PROFILER BLOCK_PROFILER_CODE FUNCTION_BLOCK_PROFILER         \
701
        FUNCTION_BLOCK_PROFILER_EXIT MACHINE_STATE_SAVE                    \
702
        MACHINE_STATE_RESTORE SCCS_DIRECTIVE SECTION_ASM_OP BYTEORDER      \
703
        ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL HOST_WORDS_BIG_ENDIAN    \
704
        OBJC_PROLOGUE ALLOCATE_TRAMPOLINE HANDLE_PRAGMA ROUND_TYPE_SIZE    \
705
        ROUND_TYPE_SIZE_UNIT CONST_SECTION_ASM_OP CRT_GET_RFIB_TEXT        \
706
        DBX_LBRAC_FIRST DBX_OUTPUT_ENUM DBX_OUTPUT_SOURCE_FILENAME         \
707
        DBX_WORKING_DIRECTORY INSN_CACHE_DEPTH INSN_CACHE_SIZE             \
708
        INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT    \
709
        EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER         \
710
        LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES       \
711
        LOAD_ARGS_REVERSED MAX_INTEGER_COMPUTATION_MODE                    \
712
        CONVERT_HARD_REGISTER_TO_SSA_P ASM_OUTPUT_MAIN_SOURCE_FILENAME     \
713
        FIRST_INSN_ADDRESS TEXT_SECTION SHARED_BSS_SECTION_ASM_OP          \
714
        PROMOTED_MODE EXPAND_BUILTIN_VA_END                                \
715
        LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE    \
716
        GIV_SORT_CRITERION MAX_LONG_TYPE_SIZE MAX_LONG_DOUBLE_TYPE_SIZE    \
717
        MAX_WCHAR_TYPE_SIZE SHARED_SECTION_ASM_OP INTEGRATE_THRESHOLD      \
718
        FINAL_REG_PARM_STACK_SPACE MAYBE_REG_PARM_STACK_SPACE              \
719
        TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE              \
720
        DBX_OUTPUT_STANDARD_TYPES BUILTIN_SETJMP_FRAME_VALUE               \
721
        SUNOS4_SHARED_LIBRARIES PROMOTE_FOR_CALL_ONLY                      \
722
        SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE                     \
723
        DEFAULT_MAIN_RETURN TARGET_MEM_FUNCTIONS EXPAND_BUILTIN_VA_ARG     \
724
        COLLECT_PARSE_FLAG DWARF2_GENERATE_TEXT_SECTION_LABEL WINNING_GDB  \
725
        ASM_OUTPUT_FILENAME ASM_OUTPUT_SOURCE_LINE FILE_NAME_JOINER        \
726
        GDB_INV_REF_REGPARM_STABS_LETTER DBX_MEMPARM_STABS_LETTER          \
727
        PUT_SDB_SRC_FILE STABS_GCC_MARKER DBX_OUTPUT_FUNCTION_END          \
728
        DBX_OUTPUT_GCC_MARKER DBX_FINISH_SYMBOL SDB_GENERATE_FAKE          \
729
        NON_SAVING_SETJMP TARGET_LATE_RTL_PROLOGUE_EPILOGUE                \
730
        CASE_DROPS_THROUGH TARGET_BELL TARGET_BS TARGET_CR TARGET_DIGIT0   \
731
        TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT           \
732
        LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE                \
733
        TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC         \
734
        PREDICATE_CODES SPECIAL_MODE_PREDICATES HOST_PTR_PRINTF            \
735
        EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION       \
736
        TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION           \
737
        SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON       \
738
        ASM_OUTPUT_SHARED_LOCAL UNALIGNED_WORD_ASM_OP
739
 
740
/* Hooks that are no longer used.  */
741
 #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE   \
742
        LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES \
743
        LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \
744
        LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \
745
        LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \
746
        LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION
747
 
748
/* Libiberty macros that are no longer used in GCC.  */
749
#undef ANSI_PROTOTYPES
750
#undef PTR_CONST
751
#undef LONG_DOUBLE
752
#undef VPARAMS
753
#undef VA_OPEN
754
#undef VA_FIXEDARG
755
#undef VA_CLOSE
756
#undef VA_START
757
 #pragma GCC poison ANSI_PROTOTYPES PTR_CONST LONG_DOUBLE VPARAMS VA_OPEN \
758
  VA_FIXEDARG VA_CLOSE VA_START
759
#endif /* IN_GCC */
760
 
761
/* Note: not all uses of the `index' token (e.g. variable names and
762
   structure members) have been eliminated.  */
763
#undef bcopy
764
#undef bzero
765
#undef bcmp
766
#undef rindex
767
 #pragma GCC poison bcopy bzero bcmp rindex
768
 
769
#endif /* GCC >= 3.0 */
770
 
771
#endif /* ! GCC_SYSTEM_H */

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