system.h revision 169690
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