c9a1b6b0573aa28b5cbdd7fde071d3de771a380e
1 /* Get common system includes and various definitions and declarations based
3 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
4 Free Software Foundation, Inc.
6 This file is part of GCC.
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
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
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/>. */
26 /* We must include stdarg.h before stdio.h. */
31 # define va_copy(d,s) __va_copy((d),(s))
33 # define va_copy(d,s) ((d) = (s))
43 /* Define a generic NULL if one hasn't already been defined. */
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)
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).
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.
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). */
66 #if defined HAVE_DECL_PUTC_UNLOCKED && HAVE_DECL_PUTC_UNLOCKED
68 # ifdef HAVE_PUTC_UNLOCKED
70 # define putc(C, Stream) putc_unlocked (C, Stream)
72 # ifdef HAVE_PUTCHAR_UNLOCKED
74 # define putchar(C) putchar_unlocked (C)
76 # ifdef HAVE_GETC_UNLOCKED
78 # define getc(Stream) getc_unlocked (Stream)
80 # ifdef HAVE_GETCHAR_UNLOCKED
82 # define getchar() getchar_unlocked ()
84 # ifdef HAVE_FPUTC_UNLOCKED
86 # define fputc(C, Stream) fputc_unlocked (C, Stream)
89 # ifdef HAVE_CLEARERR_UNLOCKED
91 # define clearerr(Stream) clearerr_unlocked (Stream)
92 # if defined (HAVE_DECL_CLEARERR_UNLOCKED) && !HAVE_DECL_CLEARERR_UNLOCKED
93 extern void clearerr_unlocked (FILE *);
96 # ifdef HAVE_FEOF_UNLOCKED
98 # define feof(Stream) feof_unlocked (Stream)
99 # if defined (HAVE_DECL_FEOF_UNLOCKED) && !HAVE_DECL_FEOF_UNLOCKED
100 extern int feof_unlocked (FILE *);
103 # ifdef HAVE_FILENO_UNLOCKED
105 # define fileno(Stream) fileno_unlocked (Stream)
106 # if defined (HAVE_DECL_FILENO_UNLOCKED) && !HAVE_DECL_FILENO_UNLOCKED
107 extern int fileno_unlocked (FILE *);
110 # ifdef HAVE_FFLUSH_UNLOCKED
112 # define fflush(Stream) fflush_unlocked (Stream)
113 # if defined (HAVE_DECL_FFLUSH_UNLOCKED) && !HAVE_DECL_FFLUSH_UNLOCKED
114 extern int fflush_unlocked (FILE *);
117 # ifdef HAVE_FGETC_UNLOCKED
119 # define fgetc(Stream) fgetc_unlocked (Stream)
120 # if defined (HAVE_DECL_FGETC_UNLOCKED) && !HAVE_DECL_FGETC_UNLOCKED
121 extern int fgetc_unlocked (FILE *);
124 # ifdef HAVE_FGETS_UNLOCKED
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 *);
131 # ifdef HAVE_FPUTS_UNLOCKED
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 *);
138 # ifdef HAVE_FERROR_UNLOCKED
140 # define ferror(Stream) ferror_unlocked (Stream)
141 # if defined (HAVE_DECL_FERROR_UNLOCKED) && !HAVE_DECL_FERROR_UNLOCKED
142 extern int ferror_unlocked (FILE *);
145 # ifdef HAVE_FREAD_UNLOCKED
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 *);
152 # ifdef HAVE_FWRITE_UNLOCKED
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 *);
159 # ifdef HAVE_FPRINTF_UNLOCKED
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 *, ...);
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
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>
181 #include <sys/types.h>
185 #if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO
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
193 #ifdef STRING_WITH_STRINGS
195 # include <strings.h>
197 # ifdef HAVE_STRING_H
200 # ifdef HAVE_STRINGS_H
201 # include <strings.h>
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
215 # define SUCCESS_EXIT_CODE EXIT_SUCCESS
217 # define SUCCESS_EXIT_CODE 0
221 #ifndef FATAL_EXIT_CODE
223 # define FATAL_EXIT_CODE EXIT_FAILURE
225 # define FATAL_EXIT_CODE 1
229 #define ICE_EXIT_CODE 4
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. */
245 /* Get definitions of HOST_WIDE_INT and HOST_WIDEST_INT. */
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
255 #define IN_RANGE(VALUE, LOWER, UPPER) \
256 ((unsigned HOST_WIDE_INT)((VALUE) - (LOWER)) <= ((UPPER) - (LOWER)))
258 /* Infrastructure for defining missing _MAX and _MIN macros. Note that
259 macros defined with these cannot be used in #if. */
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)))
269 /* Use that infrastructure to provide a few constants. */
271 # define UCHAR_MAX INTTYPE_MAXIMUM (unsigned char)
274 #ifdef TIME_WITH_SYS_TIME
275 # include <sys/time.h>
279 # include <sys/time.h>
290 # ifdef HAVE_SYS_FILE_H
291 # include <sys/file.h>
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. */
319 #define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
320 #define MAX(X,Y) ((X) > (Y) ? (X) : (Y))
322 /* Returns the least number N such that N * Y >= X. */
323 #define CEIL(x,y) (((x) + (y) - 1) / (y))
325 #ifdef HAVE_SYS_WAIT_H
326 #include <sys/wait.h>
330 #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
333 #define WTERMSIG(S) ((S) & 0x7f)
336 #define WIFEXITED(S) (((S) & 0xff) == 0)
339 #define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
342 #define WSTOPSIG WEXITSTATUS
345 #define WCOREDUMP(S) ((S) & WCOREFLG)
348 #define WCOREFLG 0200
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_*)". */
356 #if defined (HAVE_DECL_ATOF) && !HAVE_DECL_ATOF
357 extern double atof (const char *);
360 #if defined (HAVE_DECL_ATOL) && !HAVE_DECL_ATOL
361 extern long atol (const char *);
364 #if defined (HAVE_DECL_FREE) && !HAVE_DECL_FREE
365 extern void free (void *);
368 #if defined (HAVE_DECL_GETCWD) && !HAVE_DECL_GETCWD
369 extern char *getcwd (char *, size_t);
372 #if defined (HAVE_DECL_GETENV) && !HAVE_DECL_GETENV
373 extern char *getenv (const char *);
376 #if defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT
377 extern int getopt (int, char * const *, const char *);
380 #if defined (HAVE_DECL_GETPAGESIZE) && !HAVE_DECL_GETPAGESIZE
381 extern int getpagesize (void);
384 #if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD
385 extern char *getwd (char *);
388 #if defined (HAVE_DECL_SBRK) && !HAVE_DECL_SBRK
389 extern void *sbrk (int);
392 #if defined (HAVE_DECL_STRSTR) && !HAVE_DECL_STRSTR
393 extern char *strstr (const char *, const char *);
400 #if defined (HAVE_DECL_MALLOC) && !HAVE_DECL_MALLOC
401 extern void *malloc (size_t);
404 #if defined (HAVE_DECL_CALLOC) && !HAVE_DECL_CALLOC
405 extern void *calloc (size_t, size_t);
408 #if defined (HAVE_DECL_REALLOC) && !HAVE_DECL_REALLOC
409 extern void *realloc (void *, size_t);
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)
417 extern const char *strsignal (int);
421 #ifdef HAVE_GETRLIMIT
422 # if defined (HAVE_DECL_GETRLIMIT) && !HAVE_DECL_GETRLIMIT
425 extern int getrlimit (int, struct rlimit
*);
430 #ifdef HAVE_SETRLIMIT
431 # if defined (HAVE_DECL_SETRLIMIT) && !HAVE_DECL_SETRLIMIT
434 extern int setrlimit (int, const struct rlimit
*);
439 #if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT
440 extern void abort (void);
443 #if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
444 extern int snprintf (char *, size_t, const char *, ...);
447 #if defined (HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF
448 extern int vsnprintf(char *, size_t, const char *, va_list);
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))
458 # include <sys/stat.h>
461 /* Test if something is a normal file. */
463 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
466 /* Test if something is a directory. */
468 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
471 /* Test if something is a character special file. */
473 #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
476 /* Test if something is a block special file. */
478 #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
481 /* Test if something is a socket. */
484 # define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
486 # define S_ISSOCK(m) 0
490 /* Test if something is a FIFO. */
493 # define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
495 # define S_ISFIFO(m) 0
499 /* Define well known filenos if the system does not define them. */
501 # define STDIN_FILENO 0
503 #ifndef STDOUT_FILENO
504 # define STDOUT_FILENO 1
506 #ifndef STDERR_FILENO
507 # define STDERR_FILENO 2
510 /* Some systems have mkdir that takes a single argument. */
511 #ifdef MKDIR_TAKES_ONE_ARG
512 # define mkdir(a,b) mkdir(a)
515 /* By default, colon separates directories in a path. */
516 #ifndef PATH_SEPARATOR
517 #define PATH_SEPARATOR ':'
520 /* Filename handling macros. */
521 #include "filenames.h"
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 '\\'
531 /* Get libiberty declarations. */
532 #include "libiberty.h"
534 /* Provide a default for the HOST_BIT_BUCKET.
535 This suffices for POSIX-like hosts. */
537 #ifndef HOST_BIT_BUCKET
538 #define HOST_BIT_BUCKET "/dev/null"
541 /* Be conservative and only use enum bitfields with GCC.
542 FIXME: provide a complete autoconf test for buggy enum bitfields. */
544 #if (GCC_VERSION > 2000)
545 #define ENUM_BITFIELD(TYPE) __extension__ enum TYPE
547 #define ENUM_BITFIELD(TYPE) unsigned int
551 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
554 /* Various error reporting routines want to use __FUNCTION__. */
555 #if (GCC_VERSION < 2007)
557 #define __FUNCTION__ "?"
558 #endif /* ! __FUNCTION__ */
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)
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__)
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))
578 /* Include EXPR, so that unused variable warnings do not occur. */
579 #define gcc_assert(EXPR) ((void)(0 && (EXPR)))
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__))
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. */
599 #else /* !__cplusplus */
604 # define bool unsigned char
611 #endif /* !__cplusplus */
613 /* Some compilers do not allow the use of unsigned char in bitfields. */
614 #define BOOL_BITFIELD unsigned int
616 /* As the last action in this file, we poison the identifiers that
617 shouldn't be used. Note, luckily gcc-3.0's token-based integrated
618 preprocessor won't trip on poisoned identifiers that arrive from
619 the expansion of macros. E.g. #define strrchr rindex, won't error
620 if rindex is poisoned after this directive is issued and later on
623 Note: We define bypass macros for the few cases where we really
624 want to use the libc memory allocation routines. Otherwise we
625 insist you use the "x" versions from libiberty. */
627 #define really_call_malloc malloc
628 #define really_call_calloc calloc
629 #define really_call_realloc realloc
631 #if defined(FLEX_SCANNER) || defined(YYBISON) || defined(YYBYACC)
632 /* Flex and bison use malloc and realloc. Yuk. Note that this means
633 really_call_* cannot be used in a .l or .y file. */
634 #define malloc xmalloc
635 #define realloc xrealloc
638 #if (GCC_VERSION >= 3000)
640 /* Note autoconf checks for prototype declarations and includes
641 system.h while doing so. Only poison these tokens if actually
642 compiling gcc, so that the autoconf declaration tests for malloc
643 etc don't spuriously fail. */
647 #pragma GCC poison calloc strdup
649 #if !defined(FLEX_SCANNER) && !defined(YYBISON)
652 #pragma GCC poison malloc realloc
655 /* Old target macros that have moved to the target hooks structure. */
656 #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN \
657 FUNCTION_PROLOGUE FUNCTION_EPILOGUE \
658 FUNCTION_END_PROLOGUE FUNCTION_BEGIN_EPILOGUE \
659 DECL_MACHINE_ATTRIBUTES COMP_TYPE_ATTRIBUTES INSERT_ATTRIBUTES \
660 VALID_MACHINE_DECL_ATTRIBUTE VALID_MACHINE_TYPE_ATTRIBUTE \
661 SET_DEFAULT_TYPE_ATTRIBUTES SET_DEFAULT_DECL_ATTRIBUTES \
662 MERGE_MACHINE_TYPE_ATTRIBUTES MERGE_MACHINE_DECL_ATTRIBUTES \
663 MD_INIT_BUILTINS MD_EXPAND_BUILTIN ASM_OUTPUT_CONSTRUCTOR \
664 ASM_OUTPUT_DESTRUCTOR SIGNED_CHAR_SPEC MAX_CHAR_TYPE_SIZE \
665 WCHAR_UNSIGNED UNIQUE_SECTION SELECT_SECTION SELECT_RTX_SECTION \
666 ENCODE_SECTION_INFO STRIP_NAME_ENCODING ASM_GLOBALIZE_LABEL \
667 ASM_OUTPUT_MI_THUNK CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS \
668 ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END \
669 ASM_SIMPLIFY_DWARF_ADDR INIT_TARGET_OPTABS INIT_SUBTARGET_OPTABS \
670 INIT_GOFAST_OPTABS MULSI3_LIBCALL MULDI3_LIBCALL DIVSI3_LIBCALL \
671 DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL \
672 MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \
673 PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM \
674 ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS \
675 STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING \
676 PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM \
677 SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS \
678 DEFAULT_SHORT_ENUMS SPLIT_COMPLEX_ARGS MD_ASM_CLOBBERS \
679 HANDLE_PRAGMA_REDEFINE_EXTNAME HANDLE_PRAGMA_EXTERN_PREFIX \
680 MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE \
681 VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN \
682 FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL \
683 ALLOCATE_INITIAL_VALUE
685 /* Other obsolete target macros, or macros that used to be in target
686 headers and were not used, and may be obsolete or may never have
688 #pragma GCC poison INT_ASM_OP ASM_OUTPUT_EH_REGION_BEG CPP_PREDEFINES \
689 ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT SMALL_STACK \
690 DOESNT_NEED_UNWINDER EH_TABLE_LOOKUP OBJC_SELECTORS_WITHOUT_LABELS \
691 OMIT_EH_TABLE EASY_DIV_EXPR IMPLICIT_FIX_EXPR \
692 LONGJMP_RESTORE_FROM_STACK MAX_INT_TYPE_SIZE ASM_IDENTIFY_GCC \
693 STDC_VALUE TRAMPOLINE_ALIGN ASM_IDENTIFY_GCC_AFTER_SOURCE \
694 SLOW_ZERO_EXTEND SUBREG_REGNO_OFFSET DWARF_LINE_MIN_INSTR_LENGTH \
695 TRADITIONAL_RETURN_FLOAT NO_BUILTIN_SIZE_TYPE \
696 NO_BUILTIN_PTRDIFF_TYPE NO_BUILTIN_WCHAR_TYPE NO_BUILTIN_WINT_TYPE \
697 BLOCK_PROFILER BLOCK_PROFILER_CODE FUNCTION_BLOCK_PROFILER \
698 FUNCTION_BLOCK_PROFILER_EXIT MACHINE_STATE_SAVE \
699 MACHINE_STATE_RESTORE SCCS_DIRECTIVE SECTION_ASM_OP BYTEORDER \
700 ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL HOST_WORDS_BIG_ENDIAN \
701 OBJC_PROLOGUE ALLOCATE_TRAMPOLINE HANDLE_PRAGMA ROUND_TYPE_SIZE \
702 ROUND_TYPE_SIZE_UNIT CONST_SECTION_ASM_OP CRT_GET_RFIB_TEXT \
703 DBX_LBRAC_FIRST DBX_OUTPUT_ENUM DBX_OUTPUT_SOURCE_FILENAME \
704 DBX_WORKING_DIRECTORY INSN_CACHE_DEPTH INSN_CACHE_SIZE \
705 INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT \
706 EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER \
707 LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES \
708 LOAD_ARGS_REVERSED MAX_INTEGER_COMPUTATION_MODE \
709 CONVERT_HARD_REGISTER_TO_SSA_P ASM_OUTPUT_MAIN_SOURCE_FILENAME \
710 FIRST_INSN_ADDRESS TEXT_SECTION SHARED_BSS_SECTION_ASM_OP \
711 PROMOTED_MODE EXPAND_BUILTIN_VA_END \
712 LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE \
713 GIV_SORT_CRITERION MAX_LONG_TYPE_SIZE MAX_LONG_DOUBLE_TYPE_SIZE \
714 MAX_WCHAR_TYPE_SIZE SHARED_SECTION_ASM_OP INTEGRATE_THRESHOLD \
715 FINAL_REG_PARM_STACK_SPACE MAYBE_REG_PARM_STACK_SPACE \
716 TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE \
717 DBX_OUTPUT_STANDARD_TYPES BUILTIN_SETJMP_FRAME_VALUE \
718 SUNOS4_SHARED_LIBRARIES PROMOTE_FOR_CALL_ONLY \
719 SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE \
720 DEFAULT_MAIN_RETURN TARGET_MEM_FUNCTIONS EXPAND_BUILTIN_VA_ARG \
721 COLLECT_PARSE_FLAG DWARF2_GENERATE_TEXT_SECTION_LABEL WINNING_GDB \
722 ASM_OUTPUT_FILENAME ASM_OUTPUT_SOURCE_LINE FILE_NAME_JOINER \
723 GDB_INV_REF_REGPARM_STABS_LETTER DBX_MEMPARM_STABS_LETTER \
724 PUT_SDB_SRC_FILE STABS_GCC_MARKER DBX_OUTPUT_FUNCTION_END \
725 DBX_OUTPUT_GCC_MARKER DBX_FINISH_SYMBOL SDB_GENERATE_FAKE \
726 NON_SAVING_SETJMP TARGET_LATE_RTL_PROLOGUE_EPILOGUE \
727 CASE_DROPS_THROUGH TARGET_BELL TARGET_BS TARGET_CR TARGET_DIGIT0 \
728 TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT \
729 LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE \
730 TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC \
731 PREDICATE_CODES SPECIAL_MODE_PREDICATES HOST_PTR_PRINTF \
732 EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION \
733 TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION \
734 SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON \
735 ASM_OUTPUT_SHARED_LOCAL UNALIGNED_WORD_ASM_OP \
736 ASM_MAKE_LABEL_LINKONCE
738 /* Hooks that are no longer used. */
739 #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
740 LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES \
741 LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \
742 LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \
743 LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \
744 LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION
746 /* Libiberty macros that are no longer used in GCC. */
747 #undef ANSI_PROTOTYPES
755 #pragma GCC poison ANSI_PROTOTYPES PTR_CONST LONG_DOUBLE VPARAMS VA_OPEN \
756 VA_FIXEDARG VA_CLOSE VA_START
759 /* Note: not all uses of the `index' token (e.g. variable names and
760 structure members) have been eliminated. */
765 #pragma GCC poison bcopy bzero bcmp rindex
767 #endif /* GCC >= 3.0 */
769 /* This macro allows casting away const-ness to pass -Wcast-qual
770 warnings. DO NOT USE THIS UNLESS YOU REALLY HAVE TO! It should
771 only be used in certain specific cases. One valid case is where
772 the C standard definitions or prototypes force you to. E.g. if you
773 need to free a const object, or if you pass a const string to
774 execv, et al. Another valid use would be in an allocation function
775 that creates const objects that need to be initialized. Most other
776 cases should be viewed with extreme caution. */
778 #if defined(__GNUC__) && GCC_VERSION != 4000
779 /* GCC 4.0.x has a bug where it may ICE on this expression. */
780 #define CONST_CAST(X) ((__extension__(union {__typeof(X)_q; void *_v;})(X))._v)
782 #define CONST_CAST(X) ((void*)(X))
785 #endif /* ! GCC_SYSTEM_H */