1/* 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
4   Free Software Foundation, Inc.
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 2, or (at your option) any later
11version.
12
13GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License
19along with GCC; see the file COPYING.  If not, write to the Free
20Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
2102110-1301, USA.  */
22
23
24#ifndef GCC_SYSTEM_H
25#define GCC_SYSTEM_H
26
27/* We must include stdarg.h before stdio.h.  */
28#include <stdarg.h>
29
30#ifndef va_copy
31# ifdef __va_copy
32#   define va_copy(d,s)  __va_copy((d),(s))
33# else
34#   define va_copy(d,s)  ((d) = (s))
35# endif
36#endif
37
38#ifdef HAVE_STDDEF_H
39# include <stddef.h>
40#endif
41
42#include <stdio.h>
43
44/* Define a generic NULL if one hasn't already been defined.  */
45#ifndef NULL
46#define NULL 0
47#endif
48
49/* Use the unlocked open routines from libiberty.  */
50#define fopen(PATH,MODE) fopen_unlocked(PATH,MODE)
51#define fdopen(FILDES,MODE) fdopen_unlocked(FILDES,MODE)
52#define freopen(PATH,MODE,STREAM) freopen_unlocked(PATH,MODE,STREAM)
53
54/* The compiler is not a multi-threaded application and therefore we
55   do not have to use the locking functions.  In fact, using the locking
56   functions can cause the compiler to be significantly slower under
57   I/O bound conditions (such as -g -O0 on very large source files).
58
59   HAVE_DECL_PUTC_UNLOCKED actually indicates whether or not the stdio
60   code is multi-thread safe by default.  If it is set to 0, then do
61   not worry about using the _unlocked functions.
62
63   fputs_unlocked, fwrite_unlocked, and fprintf_unlocked are
64   extensions and need to be prototyped by hand (since we do not
65   define _GNU_SOURCE).  */
66
67#if defined HAVE_DECL_PUTC_UNLOCKED && HAVE_DECL_PUTC_UNLOCKED
68
69# ifdef HAVE_PUTC_UNLOCKED
70#  undef putc
71#  define putc(C, Stream) putc_unlocked (C, Stream)
72# endif
73# ifdef HAVE_PUTCHAR_UNLOCKED
74#  undef putchar
75#  define putchar(C) putchar_unlocked (C)
76# endif
77# ifdef HAVE_GETC_UNLOCKED
78#  undef getc
79#  define getc(Stream) getc_unlocked (Stream)
80# endif
81# ifdef HAVE_GETCHAR_UNLOCKED
82#  undef getchar
83#  define getchar() getchar_unlocked ()
84# endif
85# ifdef HAVE_FPUTC_UNLOCKED
86#  undef fputc
87#  define fputc(C, Stream) fputc_unlocked (C, Stream)
88# endif
89
90# ifdef HAVE_CLEARERR_UNLOCKED
91#  undef clearerr
92#  define clearerr(Stream) clearerr_unlocked (Stream)
93#  if defined (HAVE_DECL_CLEARERR_UNLOCKED) && !HAVE_DECL_CLEARERR_UNLOCKED
94extern void clearerr_unlocked (FILE *);
95#  endif
96# endif
97# ifdef HAVE_FEOF_UNLOCKED
98#  undef feof
99#  define feof(Stream) feof_unlocked (Stream)
100#  if defined (HAVE_DECL_FEOF_UNLOCKED) && !HAVE_DECL_FEOF_UNLOCKED
101extern int feof_unlocked (FILE *);
102#  endif
103# endif
104# ifdef HAVE_FILENO_UNLOCKED
105#  undef fileno
106#  define fileno(Stream) fileno_unlocked (Stream)
107#  if defined (HAVE_DECL_FILENO_UNLOCKED) && !HAVE_DECL_FILENO_UNLOCKED
108extern int fileno_unlocked (FILE *);
109#  endif
110# endif
111# ifdef HAVE_FFLUSH_UNLOCKED
112#  undef fflush
113#  define fflush(Stream) fflush_unlocked (Stream)
114#  if defined (HAVE_DECL_FFLUSH_UNLOCKED) && !HAVE_DECL_FFLUSH_UNLOCKED
115extern int fflush_unlocked (FILE *);
116#  endif
117# endif
118# ifdef HAVE_FGETC_UNLOCKED
119#  undef fgetc
120#  define fgetc(Stream) fgetc_unlocked (Stream)
121#  if defined (HAVE_DECL_FGETC_UNLOCKED) && !HAVE_DECL_FGETC_UNLOCKED
122extern int fgetc_unlocked (FILE *);
123#  endif
124# endif
125# ifdef HAVE_FGETS_UNLOCKED
126#  undef fgets
127#  define fgets(S, n, Stream) fgets_unlocked (S, n, Stream)
128#  if defined (HAVE_DECL_FGETS_UNLOCKED) && !HAVE_DECL_FGETS_UNLOCKED
129extern char *fgets_unlocked (char *, int, FILE *);
130#  endif
131# endif
132# ifdef HAVE_FPUTS_UNLOCKED
133#  undef fputs
134#  define fputs(String, Stream) fputs_unlocked (String, Stream)
135#  if defined (HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED
136extern int fputs_unlocked (const char *, FILE *);
137#  endif
138# endif
139# ifdef HAVE_FERROR_UNLOCKED
140#  undef ferror
141#  define ferror(Stream) ferror_unlocked (Stream)
142#  if defined (HAVE_DECL_FERROR_UNLOCKED) && !HAVE_DECL_FERROR_UNLOCKED
143extern int ferror_unlocked (FILE *);
144#  endif
145# endif
146# ifdef HAVE_FREAD_UNLOCKED
147#  undef fread
148#  define fread(Ptr, Size, N, Stream) fread_unlocked (Ptr, Size, N, Stream)
149#  if defined (HAVE_DECL_FREAD_UNLOCKED) && !HAVE_DECL_FREAD_UNLOCKED
150extern size_t fread_unlocked (void *, size_t, size_t, FILE *);
151#  endif
152# endif
153# ifdef HAVE_FWRITE_UNLOCKED
154#  undef fwrite
155#  define fwrite(Ptr, Size, N, Stream) fwrite_unlocked (Ptr, Size, N, Stream)
156#  if defined (HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED
157extern size_t fwrite_unlocked (const void *, size_t, size_t, FILE *);
158#  endif
159# endif
160# ifdef HAVE_FPRINTF_UNLOCKED
161#  undef fprintf
162/* We can't use a function-like macro here because we don't know if
163   we have varargs macros.  */
164#  define fprintf fprintf_unlocked
165#  if defined (HAVE_DECL_FPRINTF_UNLOCKED) && !HAVE_DECL_FPRINTF_UNLOCKED
166extern int fprintf_unlocked (FILE *, const char *, ...);
167#  endif
168# endif
169
170#endif
171
172/* ??? Glibc's fwrite/fread_unlocked macros cause
173   "warning: signed and unsigned type in conditional expression".  */
174#undef fread_unlocked
175#undef fwrite_unlocked
176
177/* There are an extraordinary number of issues with <ctype.h>.
178   The last straw is that it varies with the locale.  Use libiberty's
179   replacement instead.  */
180#include <safe-ctype.h>
181
182#include <sys/types.h>
183
184#include <errno.h>
185
186#if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO
187extern int errno;
188#endif
189
190/* Some of glibc's string inlines cause warnings.  Plus we'd rather
191   rely on (and therefore test) GCC's string builtins.  */
192#define __NO_STRING_INLINES
193
194#ifdef STRING_WITH_STRINGS
195# include <string.h>
196# include <strings.h>
197#else
198# ifdef HAVE_STRING_H
199#  include <string.h>
200# else
201#  ifdef HAVE_STRINGS_H
202#   include <strings.h>
203#  endif
204# endif
205#endif
206
207#ifdef HAVE_STDLIB_H
208# include <stdlib.h>
209#endif
210
211/* If we don't have an overriding definition, set SUCCESS_EXIT_CODE and
212   FATAL_EXIT_CODE to EXIT_SUCCESS and EXIT_FAILURE respectively,
213   or 0 and 1 if those macros are not defined.  */
214#ifndef SUCCESS_EXIT_CODE
215# ifdef EXIT_SUCCESS
216#  define SUCCESS_EXIT_CODE EXIT_SUCCESS
217# else
218#  define SUCCESS_EXIT_CODE 0
219# endif
220#endif
221
222#ifndef FATAL_EXIT_CODE
223# ifdef EXIT_FAILURE
224#  define FATAL_EXIT_CODE EXIT_FAILURE
225# else
226#  define FATAL_EXIT_CODE 1
227# endif
228#endif
229
230#define ICE_EXIT_CODE 4
231
232#ifdef HAVE_UNISTD_H
233# include <unistd.h>
234#endif
235
236#ifdef HAVE_SYS_PARAM_H
237# include <sys/param.h>
238/* We use this identifier later and it appears in some vendor param.h's.  */
239# undef PREFETCH
240#endif
241
242#if HAVE_LIMITS_H
243# include <limits.h>
244#endif
245
246/* Get definitions of HOST_WIDE_INT and HOST_WIDEST_INT.  */
247#include "hwint.h"
248
249/* A macro to determine whether a VALUE lies inclusively within a
250   certain range without evaluating the VALUE more than once.  This
251   macro won't warn if the VALUE is unsigned and the LOWER bound is
252   zero, as it would e.g. with "VALUE >= 0 && ...".  Note the LOWER
253   bound *is* evaluated twice, and LOWER must not be greater than
254   UPPER.  However the bounds themselves can be either positive or
255   negative.  */
256#define IN_RANGE(VALUE, LOWER, UPPER) \
257  ((unsigned HOST_WIDE_INT)((VALUE) - (LOWER)) <= ((UPPER) - (LOWER)))
258
259/* Infrastructure for defining missing _MAX and _MIN macros.  Note that
260   macros defined with these cannot be used in #if.  */
261
262/* The extra casts work around common compiler bugs.  */
263#define INTTYPE_SIGNED(t) (! ((t) 0 < (t) -1))
264/* The outer cast is needed to work around a bug in Cray C 5.0.3.0.
265   It is necessary at least when t == time_t.  */
266#define INTTYPE_MINIMUM(t) ((t) (INTTYPE_SIGNED (t) \
267                             ? ~ (t) 0 << (sizeof(t) * CHAR_BIT - 1) : (t) 0))
268#define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
269
270/* Use that infrastructure to provide a few constants.  */
271#ifndef UCHAR_MAX
272# define UCHAR_MAX INTTYPE_MAXIMUM (unsigned char)
273#endif
274
275#ifdef TIME_WITH_SYS_TIME
276# include <sys/time.h>
277# include <time.h>
278#else
279# if HAVE_SYS_TIME_H
280#  include <sys/time.h>
281# else
282#  ifdef HAVE_TIME_H
283#   include <time.h>
284#  endif
285# endif
286#endif
287
288#ifdef HAVE_FCNTL_H
289# include <fcntl.h>
290#else
291# ifdef HAVE_SYS_FILE_H
292#  include <sys/file.h>
293# endif
294#endif
295
296#ifndef SEEK_SET
297# define SEEK_SET 0
298# define SEEK_CUR 1
299# define SEEK_END 2
300#endif
301#ifndef F_OK
302# define F_OK 0
303# define X_OK 1
304# define W_OK 2
305# define R_OK 4
306#endif
307#ifndef O_RDONLY
308# define O_RDONLY 0
309#endif
310#ifndef O_WRONLY
311# define O_WRONLY 1
312#endif
313
314/* Some systems define these in, e.g., param.h.  We undefine these names
315   here to avoid the warnings.  We prefer to use our definitions since we
316   know they are correct.  */
317
318#undef MIN
319#undef MAX
320#define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
321#define MAX(X,Y) ((X) > (Y) ? (X) : (Y))
322
323/* Returns the least number N such that N * Y >= X.  */
324#define CEIL(x,y) (((x) + (y) - 1) / (y))
325
326#ifdef HAVE_SYS_WAIT_H
327#include <sys/wait.h>
328#endif
329
330#ifndef WIFSIGNALED
331#define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
332#endif
333#ifndef WTERMSIG
334#define WTERMSIG(S) ((S) & 0x7f)
335#endif
336#ifndef WIFEXITED
337#define WIFEXITED(S) (((S) & 0xff) == 0)
338#endif
339#ifndef WEXITSTATUS
340#define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
341#endif
342#ifndef WSTOPSIG
343#define WSTOPSIG WEXITSTATUS
344#endif
345#ifndef WCOREDUMP
346#define WCOREDUMP(S) ((S) & WCOREFLG)
347#endif
348#ifndef WCOREFLG
349#define WCOREFLG 0200
350#endif
351
352/* The HAVE_DECL_* macros are three-state, undefined, 0 or 1.  If they
353   are defined to 0 then we must provide the relevant declaration
354   here.  These checks will be in the undefined state while configure
355   is running so be careful to test "defined (HAVE_DECL_*)".  */
356
357#if defined (HAVE_DECL_ATOF) && !HAVE_DECL_ATOF
358extern double atof (const char *);
359#endif
360
361#if defined (HAVE_DECL_ATOL) && !HAVE_DECL_ATOL
362extern long atol (const char *);
363#endif
364
365#if defined (HAVE_DECL_FREE) && !HAVE_DECL_FREE
366extern void free (void *);
367#endif
368
369#if defined (HAVE_DECL_GETCWD) && !HAVE_DECL_GETCWD
370extern char *getcwd (char *, size_t);
371#endif
372
373#if defined (HAVE_DECL_GETENV) && !HAVE_DECL_GETENV
374extern char *getenv (const char *);
375#endif
376
377#if defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT
378extern int getopt (int, char * const *, const char *);
379#endif
380
381#if defined (HAVE_DECL_GETPAGESIZE) && !HAVE_DECL_GETPAGESIZE
382extern int getpagesize (void);
383#endif
384
385#if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD
386extern char *getwd (char *);
387#endif
388
389#if defined (HAVE_DECL_SBRK) && !HAVE_DECL_SBRK
390extern void *sbrk (int);
391#endif
392
393#if defined (HAVE_DECL_STRSTR) && !HAVE_DECL_STRSTR
394extern char *strstr (const char *, const char *);
395#endif
396
397#ifdef HAVE_MALLOC_H
398#include <malloc.h>
399#endif
400
401#if defined (HAVE_DECL_MALLOC) && !HAVE_DECL_MALLOC
402extern void *malloc (size_t);
403#endif
404
405#if defined (HAVE_DECL_CALLOC) && !HAVE_DECL_CALLOC
406extern void *calloc (size_t, size_t);
407#endif
408
409#if defined (HAVE_DECL_REALLOC) && !HAVE_DECL_REALLOC
410extern void *realloc (void *, size_t);
411#endif
412
413/* If the system doesn't provide strsignal, we get it defined in
414   libiberty but no declaration is supplied.  */
415#if !defined (HAVE_STRSIGNAL) \
416    || (defined (HAVE_DECL_STRSIGNAL) && !HAVE_DECL_STRSIGNAL)
417# ifndef strsignal
418extern const char *strsignal (int);
419# endif
420#endif
421
422#ifdef HAVE_GETRLIMIT
423# if defined (HAVE_DECL_GETRLIMIT) && !HAVE_DECL_GETRLIMIT
424#  ifndef getrlimit
425struct rlimit;
426extern int getrlimit (int, struct rlimit *);
427#  endif
428# endif
429#endif
430
431#ifdef HAVE_SETRLIMIT
432# if defined (HAVE_DECL_SETRLIMIT) && !HAVE_DECL_SETRLIMIT
433#  ifndef setrlimit
434struct rlimit;
435extern int setrlimit (int, const struct rlimit *);
436#  endif
437# endif
438#endif
439
440#if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT
441extern void abort (void);
442#endif
443
444#if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
445extern int snprintf (char *, size_t, const char *, ...);
446#endif
447
448#if defined (HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF
449extern int vsnprintf(char *, size_t, const char *, va_list);
450#endif
451
452/* 1 if we have C99 designated initializers.  */
453#if !defined(HAVE_DESIGNATED_INITIALIZERS)
454#define HAVE_DESIGNATED_INITIALIZERS \
455  ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L))
456#endif
457
458#if HAVE_SYS_STAT_H
459# include <sys/stat.h>
460#endif
461
462/* Test if something is a normal file.  */
463#ifndef S_ISREG
464#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
465#endif
466
467/* Test if something is a directory.  */
468#ifndef S_ISDIR
469#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
470#endif
471
472/* Test if something is a character special file.  */
473#ifndef S_ISCHR
474#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
475#endif
476
477/* Test if something is a block special file.  */
478#ifndef S_ISBLK
479#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
480#endif
481
482/* Test if something is a socket.  */
483#ifndef S_ISSOCK
484# ifdef S_IFSOCK
485#   define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
486# else
487#   define S_ISSOCK(m) 0
488# endif
489#endif
490
491/* Test if something is a FIFO.  */
492#ifndef S_ISFIFO
493# ifdef S_IFIFO
494#  define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
495# else
496#  define S_ISFIFO(m) 0
497# endif
498#endif
499
500/* Define well known filenos if the system does not define them.  */
501#ifndef STDIN_FILENO
502# define STDIN_FILENO   0
503#endif
504#ifndef STDOUT_FILENO
505# define STDOUT_FILENO  1
506#endif
507#ifndef STDERR_FILENO
508# define STDERR_FILENO  2
509#endif
510
511/* Some systems have mkdir that takes a single argument.  */
512#ifdef MKDIR_TAKES_ONE_ARG
513# define mkdir(a,b) mkdir(a)
514#endif
515
516/* By default, colon separates directories in a path.  */
517#ifndef PATH_SEPARATOR
518#define PATH_SEPARATOR ':'
519#endif
520
521/* Filename handling macros.  */
522#include "filenames.h"
523
524/* These should be phased out in favor of IS_DIR_SEPARATOR, where possible.  */
525#ifndef DIR_SEPARATOR
526# define DIR_SEPARATOR '/'
527# ifdef HAVE_DOS_BASED_FILE_SYSTEM
528#  define DIR_SEPARATOR_2 '\\'
529# endif
530#endif
531
532/* Get libiberty declarations.  */
533#include "libiberty.h"
534
535/* Provide a default for the HOST_BIT_BUCKET.
536   This suffices for POSIX-like hosts.  */
537
538#ifndef HOST_BIT_BUCKET
539#define HOST_BIT_BUCKET "/dev/null"
540#endif
541
542/* Be conservative and only use enum bitfields with GCC.
543   FIXME: provide a complete autoconf test for buggy enum bitfields.  */
544
545#if (GCC_VERSION > 2000)
546#define ENUM_BITFIELD(TYPE) __extension__ enum TYPE
547#else
548#define ENUM_BITFIELD(TYPE) unsigned int
549#endif
550
551#ifndef offsetof
552#define offsetof(TYPE, MEMBER)	((size_t) &((TYPE *) 0)->MEMBER)
553#endif
554
555/* Various error reporting routines want to use __FUNCTION__.  */
556#if (GCC_VERSION < 2007)
557#ifndef __FUNCTION__
558#define __FUNCTION__ "?"
559#endif /* ! __FUNCTION__ */
560#endif
561
562/* __builtin_expect(A, B) evaluates to A, but notifies the compiler that
563   the most likely value of A is B.  This feature was added at some point
564   between 2.95 and 3.0.  Let's use 3.0 as the lower bound for now.  */
565#if (GCC_VERSION < 3000)
566#define __builtin_expect(a, b) (a)
567#endif
568
569/* Redefine abort to report an internal error w/o coredump, and
570   reporting the location of the error in the source file.  */
571extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
572#define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
573
574/* Use gcc_assert(EXPR) to test invariants.  */
575#if ENABLE_ASSERT_CHECKING
576#define gcc_assert(EXPR) 						\
577   ((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0))
578#else
579/* Include EXPR, so that unused variable warnings do not occur.  */
580#define gcc_assert(EXPR) ((void)(0 && (EXPR)))
581#endif
582
583/* Use gcc_unreachable() to mark unreachable locations (like an
584   unreachable default case of a switch.  Do not use gcc_assert(0).  */
585#define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))
586
587/* Provide a fake boolean type.  We make no attempt to use the
588   C99 _Bool, as it may not be available in the bootstrap compiler,
589   and even if it is, it is liable to be buggy.
590   This must be after all inclusion of system headers, as some of
591   them will mess us up.  */
592
593#undef TRUE
594#undef FALSE
595
596#ifdef __cplusplus
597  /* Obsolete.  */
598# define TRUE true
599# define FALSE false
600#else /* !__cplusplus */
601# undef bool
602# undef true
603# undef false
604
605# define bool unsigned char
606# define true 1
607# define false 0
608
609  /* Obsolete.  */
610# define TRUE true
611# define FALSE false
612#endif /* !__cplusplus */
613
614/* Get definition of double_int.  */
615#include "double-int.h"
616
617/* Some compilers do not allow the use of unsigned char in bitfields.  */
618#define BOOL_BITFIELD unsigned int
619
620/* As the last action in this file, we poison the identifiers that
621   shouldn't be used.  Note, luckily gcc-3.0's token-based integrated
622   preprocessor won't trip on poisoned identifiers that arrive from
623   the expansion of macros.  E.g. #define strrchr rindex, won't error
624   if rindex is poisoned after this directive is issued and later on
625   strrchr is called.
626
627   Note: We define bypass macros for the few cases where we really
628   want to use the libc memory allocation routines.  Otherwise we
629   insist you use the "x" versions from libiberty.  */
630
631#define really_call_malloc malloc
632#define really_call_calloc calloc
633#define really_call_realloc realloc
634
635#if defined(FLEX_SCANNER) || defined(YYBISON) || defined(YYBYACC)
636/* Flex and bison use malloc and realloc.  Yuk.  Note that this means
637   really_call_* cannot be used in a .l or .y file.  */
638#define malloc xmalloc
639#define realloc xrealloc
640#endif
641
642#if (GCC_VERSION >= 3000)
643
644/* Note autoconf checks for prototype declarations and includes
645   system.h while doing so.  Only poison these tokens if actually
646   compiling gcc, so that the autoconf declaration tests for malloc
647   etc don't spuriously fail.  */
648#ifdef IN_GCC
649#undef calloc
650#undef strdup
651 #pragma GCC poison calloc strdup
652
653#if !defined(FLEX_SCANNER) && !defined(YYBISON)
654#undef malloc
655#undef realloc
656 #pragma GCC poison malloc realloc
657#endif
658
659/* Old target macros that have moved to the target hooks structure.  */
660 #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN			\
661	FUNCTION_PROLOGUE FUNCTION_EPILOGUE				\
662	FUNCTION_END_PROLOGUE FUNCTION_BEGIN_EPILOGUE			\
663	DECL_MACHINE_ATTRIBUTES COMP_TYPE_ATTRIBUTES INSERT_ATTRIBUTES	\
664	VALID_MACHINE_DECL_ATTRIBUTE VALID_MACHINE_TYPE_ATTRIBUTE	\
665	SET_DEFAULT_TYPE_ATTRIBUTES SET_DEFAULT_DECL_ATTRIBUTES		\
666	MERGE_MACHINE_TYPE_ATTRIBUTES MERGE_MACHINE_DECL_ATTRIBUTES	\
667	MD_INIT_BUILTINS MD_EXPAND_BUILTIN ASM_OUTPUT_CONSTRUCTOR	\
668	ASM_OUTPUT_DESTRUCTOR SIGNED_CHAR_SPEC MAX_CHAR_TYPE_SIZE	\
669	WCHAR_UNSIGNED UNIQUE_SECTION SELECT_SECTION SELECT_RTX_SECTION	\
670	ENCODE_SECTION_INFO STRIP_NAME_ENCODING ASM_GLOBALIZE_LABEL	\
671	ASM_OUTPUT_MI_THUNK CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS	\
672	ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END \
673	ASM_SIMPLIFY_DWARF_ADDR INIT_TARGET_OPTABS INIT_SUBTARGET_OPTABS \
674	INIT_GOFAST_OPTABS MULSI3_LIBCALL MULDI3_LIBCALL DIVSI3_LIBCALL \
675	DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL	\
676	MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \
677	PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM	\
678	ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS			\
679	STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING			\
680	PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM	\
681	SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS			\
682	DEFAULT_SHORT_ENUMS SPLIT_COMPLEX_ARGS MD_ASM_CLOBBERS		\
683	HANDLE_PRAGMA_REDEFINE_EXTNAME HANDLE_PRAGMA_EXTERN_PREFIX	\
684	MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE               \
685        VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN 			\
686	FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL		\
687	ALLOCATE_INITIAL_VALUE
688
689/* Other obsolete target macros, or macros that used to be in target
690   headers and were not used, and may be obsolete or may never have
691   been used.  */
692 #pragma GCC poison INT_ASM_OP ASM_OUTPUT_EH_REGION_BEG CPP_PREDEFINES	   \
693	ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT SMALL_STACK    \
694	DOESNT_NEED_UNWINDER EH_TABLE_LOOKUP OBJC_SELECTORS_WITHOUT_LABELS \
695	OMIT_EH_TABLE EASY_DIV_EXPR IMPLICIT_FIX_EXPR			   \
696	LONGJMP_RESTORE_FROM_STACK MAX_INT_TYPE_SIZE ASM_IDENTIFY_GCC	   \
697	STDC_VALUE TRAMPOLINE_ALIGN ASM_IDENTIFY_GCC_AFTER_SOURCE	   \
698	SLOW_ZERO_EXTEND SUBREG_REGNO_OFFSET DWARF_LINE_MIN_INSTR_LENGTH   \
699	TRADITIONAL_RETURN_FLOAT NO_BUILTIN_SIZE_TYPE			   \
700	NO_BUILTIN_PTRDIFF_TYPE NO_BUILTIN_WCHAR_TYPE NO_BUILTIN_WINT_TYPE \
701	BLOCK_PROFILER BLOCK_PROFILER_CODE FUNCTION_BLOCK_PROFILER	   \
702	FUNCTION_BLOCK_PROFILER_EXIT MACHINE_STATE_SAVE			   \
703	MACHINE_STATE_RESTORE SCCS_DIRECTIVE SECTION_ASM_OP BYTEORDER	   \
704	ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL HOST_WORDS_BIG_ENDIAN	   \
705	OBJC_PROLOGUE ALLOCATE_TRAMPOLINE HANDLE_PRAGMA ROUND_TYPE_SIZE	   \
706	ROUND_TYPE_SIZE_UNIT CONST_SECTION_ASM_OP CRT_GET_RFIB_TEXT	   \
707	DBX_LBRAC_FIRST DBX_OUTPUT_ENUM DBX_OUTPUT_SOURCE_FILENAME	   \
708	DBX_WORKING_DIRECTORY INSN_CACHE_DEPTH INSN_CACHE_SIZE		   \
709	INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT	   \
710	EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER	   \
711	LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES	   \
712	LOAD_ARGS_REVERSED MAX_INTEGER_COMPUTATION_MODE			   \
713	CONVERT_HARD_REGISTER_TO_SSA_P ASM_OUTPUT_MAIN_SOURCE_FILENAME	   \
714	FIRST_INSN_ADDRESS TEXT_SECTION SHARED_BSS_SECTION_ASM_OP	   \
715	PROMOTED_MODE EXPAND_BUILTIN_VA_END				   \
716	LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE	   \
717	GIV_SORT_CRITERION MAX_LONG_TYPE_SIZE MAX_LONG_DOUBLE_TYPE_SIZE	   \
718	MAX_WCHAR_TYPE_SIZE SHARED_SECTION_ASM_OP INTEGRATE_THRESHOLD      \
719	FINAL_REG_PARM_STACK_SPACE MAYBE_REG_PARM_STACK_SPACE		   \
720	TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE		   \
721	DBX_OUTPUT_STANDARD_TYPES BUILTIN_SETJMP_FRAME_VALUE		   \
722	SUNOS4_SHARED_LIBRARIES PROMOTE_FOR_CALL_ONLY			   \
723	SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE			   \
724	DEFAULT_MAIN_RETURN TARGET_MEM_FUNCTIONS EXPAND_BUILTIN_VA_ARG	   \
725	COLLECT_PARSE_FLAG DWARF2_GENERATE_TEXT_SECTION_LABEL WINNING_GDB  \
726	ASM_OUTPUT_FILENAME ASM_OUTPUT_SOURCE_LINE FILE_NAME_JOINER	   \
727	GDB_INV_REF_REGPARM_STABS_LETTER DBX_MEMPARM_STABS_LETTER	   \
728	PUT_SDB_SRC_FILE STABS_GCC_MARKER DBX_OUTPUT_FUNCTION_END	   \
729	DBX_OUTPUT_GCC_MARKER DBX_FINISH_SYMBOL SDB_GENERATE_FAKE	   \
730	NON_SAVING_SETJMP TARGET_LATE_RTL_PROLOGUE_EPILOGUE		   \
731	CASE_DROPS_THROUGH TARGET_BELL TARGET_BS TARGET_CR TARGET_DIGIT0   \
732        TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT	   \
733        LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE		   \
734	TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC	   \
735	PREDICATE_CODES SPECIAL_MODE_PREDICATES HOST_PTR_PRINTF		   \
736	EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION	   \
737	TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION	   \
738	SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON	   \
739	ASM_OUTPUT_SHARED_LOCAL UNALIGNED_WORD_ASM_OP
740
741/* Hooks that are no longer used.  */
742 #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE	\
743	LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES \
744	LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \
745	LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \
746	LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \
747	LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION
748
749/* Libiberty macros that are no longer used in GCC.  */
750#undef ANSI_PROTOTYPES
751#undef PTR_CONST
752#undef LONG_DOUBLE
753#undef VPARAMS
754#undef VA_OPEN
755#undef VA_FIXEDARG
756#undef VA_CLOSE
757#undef VA_START
758 #pragma GCC poison ANSI_PROTOTYPES PTR_CONST LONG_DOUBLE VPARAMS VA_OPEN \
759  VA_FIXEDARG VA_CLOSE VA_START
760#endif /* IN_GCC */
761
762/* Note: not all uses of the `index' token (e.g. variable names and
763   structure members) have been eliminated.  */
764#undef bcopy
765#undef bzero
766#undef bcmp
767#undef rindex
768 #pragma GCC poison bcopy bzero bcmp rindex
769
770#endif /* GCC >= 3.0 */
771
772#endif /* ! GCC_SYSTEM_H */
773