X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fsystem.h;h=7a3c489e1d4c7a5e4a3d93ba1401d7a518d0bdf4;hb=dffd7249fc5bb52e772df9ae093165255e152b4b;hp=bad61c622aba7366409268d34bfd9d6a10004c56;hpb=399c0e6465c9cbc283b9684d67893370188bb7f9;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/system.h b/gcc/system.h index bad61c622ab..7a3c489e1d4 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -1,6 +1,7 @@ /* Get common system includes and various definitions and declarations based on autoconf macros. - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 + Free Software Foundation, Inc. This file is part of GCC. @@ -16,8 +17,8 @@ for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. */ +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ #ifndef GCC_SYSTEM_H @@ -45,6 +46,11 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #define NULL 0 #endif +/* Use the unlocked open routines from libiberty. */ +#define fopen(PATH,MODE) fopen_unlocked(PATH,MODE) +#define fdopen(FILDES,MODE) fdopen_unlocked(FILDES,MODE) +#define freopen(PATH,MODE,STREAM) freopen_unlocked(PATH,MODE,STREAM) + /* The compiler is not a multi-threaded application and therefore we do not have to use the locking functions. In fact, using the locking functions can cause the compiler to be significantly slower under @@ -64,11 +70,65 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA # undef putc # define putc(C, Stream) putc_unlocked (C, Stream) # endif +# ifdef HAVE_PUTCHAR_UNLOCKED +# undef putchar +# define putchar(C) putchar_unlocked (C) +# endif +# ifdef HAVE_GETC_UNLOCKED +# undef getc +# define getc(Stream) getc_unlocked (Stream) +# endif +# ifdef HAVE_GETCHAR_UNLOCKED +# undef getchar +# define getchar() getchar_unlocked () +# endif # ifdef HAVE_FPUTC_UNLOCKED # undef fputc # define fputc(C, Stream) fputc_unlocked (C, Stream) # endif +# ifdef HAVE_CLEARERR_UNLOCKED +# undef clearerr +# define clearerr(Stream) clearerr_unlocked (Stream) +# if defined (HAVE_DECL_CLEARERR_UNLOCKED) && !HAVE_DECL_CLEARERR_UNLOCKED +extern void clearerr_unlocked (FILE *); +# endif +# endif +# ifdef HAVE_FEOF_UNLOCKED +# undef feof +# define feof(Stream) feof_unlocked (Stream) +# if defined (HAVE_DECL_FEOF_UNLOCKED) && !HAVE_DECL_FEOF_UNLOCKED +extern int feof_unlocked (FILE *); +# endif +# endif +# ifdef HAVE_FILENO_UNLOCKED +# undef fileno +# define fileno(Stream) fileno_unlocked (Stream) +# if defined (HAVE_DECL_FILENO_UNLOCKED) && !HAVE_DECL_FILENO_UNLOCKED +extern int fileno_unlocked (FILE *); +# endif +# endif +# ifdef HAVE_FFLUSH_UNLOCKED +# undef fflush +# define fflush(Stream) fflush_unlocked (Stream) +# if defined (HAVE_DECL_FFLUSH_UNLOCKED) && !HAVE_DECL_FFLUSH_UNLOCKED +extern int fflush_unlocked (FILE *); +# endif +# endif +# ifdef HAVE_FGETC_UNLOCKED +# undef fgetc +# define fgetc(Stream) fgetc_unlocked (Stream) +# if defined (HAVE_DECL_FGETC_UNLOCKED) && !HAVE_DECL_FGETC_UNLOCKED +extern int fgetc_unlocked (FILE *); +# endif +# endif +# ifdef HAVE_FGETS_UNLOCKED +# undef fgets +# define fgets(S, n, Stream) fgets_unlocked (S, n, Stream) +# if defined (HAVE_DECL_FGETS_UNLOCKED) && !HAVE_DECL_FGETS_UNLOCKED +extern char *fgets_unlocked (char *, int, FILE *); +# endif +# endif # ifdef HAVE_FPUTS_UNLOCKED # undef fputs # define fputs(String, Stream) fputs_unlocked (String, Stream) @@ -76,11 +136,25 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA extern int fputs_unlocked (const char *, FILE *); # endif # endif +# ifdef HAVE_FERROR_UNLOCKED +# undef ferror +# define ferror(Stream) ferror_unlocked (Stream) +# if defined (HAVE_DECL_FERROR_UNLOCKED) && !HAVE_DECL_FERROR_UNLOCKED +extern int ferror_unlocked (FILE *); +# endif +# endif +# ifdef HAVE_FREAD_UNLOCKED +# undef fread +# define fread(Ptr, Size, N, Stream) fread_unlocked (Ptr, Size, N, Stream) +# if defined (HAVE_DECL_FREAD_UNLOCKED) && !HAVE_DECL_FREAD_UNLOCKED +extern size_t fread_unlocked (void *, size_t, size_t, FILE *); +# endif +# endif # ifdef HAVE_FWRITE_UNLOCKED # undef fwrite # define fwrite(Ptr, Size, N, Stream) fwrite_unlocked (Ptr, Size, N, Stream) # if defined (HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED -extern int fwrite_unlocked (const void *, size_t, size_t, FILE *); +extern size_t fwrite_unlocked (const void *, size_t, size_t, FILE *); # endif # endif # ifdef HAVE_FPRINTF_UNLOCKED @@ -153,6 +227,8 @@ extern int errno; # endif #endif +#define ICE_EXIT_CODE 4 + #ifdef HAVE_UNISTD_H # include #endif @@ -178,7 +254,7 @@ extern int errno; UPPER. However the bounds themselves can be either positive or negative. */ #define IN_RANGE(VALUE, LOWER, UPPER) \ - ((unsigned HOST_WIDE_INT) ((VALUE) - (LOWER)) <= ((UPPER) - (LOWER))) + ((unsigned HOST_WIDE_INT)((VALUE) - (LOWER)) <= ((UPPER) - (LOWER))) /* Infrastructure for defining missing _MAX and _MIN macros. Note that macros defined with these cannot be used in #if. */ @@ -302,6 +378,10 @@ extern char *getenv (const char *); extern int getopt (int, char * const *, const char *); #endif +#if defined (HAVE_DECL_GETPAGESIZE) && !HAVE_DECL_GETPAGESIZE +extern int getpagesize (void); +#endif + #if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD extern char *getwd (char *); #endif @@ -365,19 +445,16 @@ extern void abort (void); extern int snprintf (char *, size_t, const char *, ...); #endif +#if defined (HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF +extern int vsnprintf(char *, size_t, const char *, va_list); +#endif + /* 1 if we have C99 designated initializers. */ #if !defined(HAVE_DESIGNATED_INITIALIZERS) #define HAVE_DESIGNATED_INITIALIZERS \ ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) #endif -/* 1 if we have _Bool. */ -#ifndef HAVE__BOOL -# define HAVE__BOOL \ - ((GCC_VERSION >= 3000) || (__STDC_VERSION__ >= 199901L)) -#endif - - #if HAVE_SYS_STAT_H # include #endif @@ -420,16 +497,6 @@ extern int snprintf (char *, size_t, const char *, ...); # endif #endif -/* Approximate O_NONBLOCK. */ -#ifndef O_NONBLOCK -#define O_NONBLOCK O_NDELAY -#endif - -/* Approximate O_NOCTTY. */ -#ifndef O_NOCTTY -#define O_NOCTTY 0 -#endif - /* Define well known filenos if the system does not define them. */ #ifndef STDIN_FILENO # define STDIN_FILENO 0 @@ -446,19 +513,6 @@ extern int snprintf (char *, size_t, const char *, ...); # define mkdir(a,b) mkdir(a) #endif -/* Provide a way to print an address via printf. */ -#ifndef HOST_PTR_PRINTF -# ifdef HAVE_PRINTF_PTR -# define HOST_PTR_PRINTF "%p" -# elif SIZEOF_INT == SIZEOF_VOID_P -# define HOST_PTR_PRINTF "%x" -# elif SIZEOF_LONG == SIZEOF_VOID_P -# define HOST_PTR_PRINTF "%lx" -# else -# define HOST_PTR_PRINTF "%llx" -# endif -#endif /* ! HOST_PTR_PRINTF */ - /* By default, colon separates directories in a path. */ #ifndef PATH_SEPARATOR #define PATH_SEPARATOR ':' @@ -485,16 +539,13 @@ extern int snprintf (char *, size_t, const char *, ...); #define HOST_BIT_BUCKET "/dev/null" #endif -/* Be conservative and only use enum bitfields with GCC. Likewise for - char bitfields. +/* Be conservative and only use enum bitfields with GCC. FIXME: provide a complete autoconf test for buggy enum bitfields. */ #if (GCC_VERSION > 2000) #define ENUM_BITFIELD(TYPE) __extension__ enum TYPE -#define CHAR_BITFIELD __extension__ unsigned char #else #define ENUM_BITFIELD(TYPE) unsigned int -#define CHAR_BITFIELD unsigned int #endif #ifndef offsetof @@ -515,28 +566,56 @@ extern int snprintf (char *, size_t, const char *, ...); #define __builtin_expect(a, b) (a) #endif -/* Provide some sort of boolean type. We use stdbool.h if it's - available. This must be after all inclusion of system headers, - as some of them will mess us up. */ -#undef bool -#undef true -#undef false +/* Redefine abort to report an internal error w/o coredump, and + reporting the location of the error in the source file. */ +extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN; +#define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__) + +/* Use gcc_assert(EXPR) to test invariants. */ +#if ENABLE_ASSERT_CHECKING +#define gcc_assert(EXPR) \ + ((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0)) +#else +/* Include EXPR, so that unused variable warnings do not occur. */ +#define gcc_assert(EXPR) ((void)(0 && (EXPR))) +#endif + +/* Use gcc_unreachable() to mark unreachable locations (like an + unreachable default case of a switch. Do not use gcc_assert(0). */ +#define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__)) + +/* Provide a fake boolean type. We make no attempt to use the + C99 _Bool, as it may not be available in the bootstrap compiler, + and even if it is, it is liable to be buggy. + This must be after all inclusion of system headers, as some of + them will mess us up. */ + #undef TRUE #undef FALSE -#ifdef HAVE_STDBOOL_H -# include -#else -# if !HAVE__BOOL -typedef char _Bool; -# endif -# define bool _Bool +#ifdef __cplusplus + /* Obsolete. */ +# define TRUE true +# define FALSE false +#else /* !__cplusplus */ +# undef bool +# undef true +# undef false + +# define bool unsigned char # define true 1 # define false 0 -#endif -#define TRUE true -#define FALSE false + /* Obsolete. */ +# define TRUE true +# define FALSE false +#endif /* !__cplusplus */ + +/* Get definition of double_int. */ +#include "double-int.h" + +/* Some compilers do not allow the use of unsigned char in bitfields. */ +#define BOOL_BITFIELD unsigned int /* As the last action in this file, we poison the identifiers that shouldn't be used. Note, luckily gcc-3.0's token-based integrated @@ -595,7 +674,17 @@ typedef char _Bool; INIT_GOFAST_OPTABS MULSI3_LIBCALL MULDI3_LIBCALL DIVSI3_LIBCALL \ DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL \ MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \ - PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM + PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM \ + ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS \ + STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING \ + PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM \ + SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS \ + DEFAULT_SHORT_ENUMS SPLIT_COMPLEX_ARGS MD_ASM_CLOBBERS \ + HANDLE_PRAGMA_REDEFINE_EXTNAME HANDLE_PRAGMA_EXTERN_PREFIX \ + MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE \ + VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN \ + FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL \ + ALLOCATE_INITIAL_VALUE /* Other obsolete target macros, or macros that used to be in target headers and were not used, and may be obsolete or may never have @@ -611,8 +700,8 @@ typedef char _Bool; NO_BUILTIN_PTRDIFF_TYPE NO_BUILTIN_WCHAR_TYPE NO_BUILTIN_WINT_TYPE \ BLOCK_PROFILER BLOCK_PROFILER_CODE FUNCTION_BLOCK_PROFILER \ FUNCTION_BLOCK_PROFILER_EXIT MACHINE_STATE_SAVE \ - MACHINE_STATE_RESTORE SCCS_DIRECTIVE SECTION_ASM_OP \ - ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL ASM_OUTPUT_INTERNAL_LABEL \ + MACHINE_STATE_RESTORE SCCS_DIRECTIVE SECTION_ASM_OP BYTEORDER \ + ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL HOST_WORDS_BIG_ENDIAN \ OBJC_PROLOGUE ALLOCATE_TRAMPOLINE HANDLE_PRAGMA ROUND_TYPE_SIZE \ ROUND_TYPE_SIZE_UNIT CONST_SECTION_ASM_OP CRT_GET_RFIB_TEXT \ DBX_LBRAC_FIRST DBX_OUTPUT_ENUM DBX_OUTPUT_SOURCE_FILENAME \ @@ -623,11 +712,40 @@ typedef char _Bool; LOAD_ARGS_REVERSED MAX_INTEGER_COMPUTATION_MODE \ CONVERT_HARD_REGISTER_TO_SSA_P ASM_OUTPUT_MAIN_SOURCE_FILENAME \ FIRST_INSN_ADDRESS TEXT_SECTION SHARED_BSS_SECTION_ASM_OP \ - PROMOTED_MODE EXPAND_BUILTIN_VA_END + PROMOTED_MODE EXPAND_BUILTIN_VA_END \ + LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE \ + GIV_SORT_CRITERION MAX_LONG_TYPE_SIZE MAX_LONG_DOUBLE_TYPE_SIZE \ + MAX_WCHAR_TYPE_SIZE SHARED_SECTION_ASM_OP INTEGRATE_THRESHOLD \ + FINAL_REG_PARM_STACK_SPACE MAYBE_REG_PARM_STACK_SPACE \ + TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE \ + DBX_OUTPUT_STANDARD_TYPES BUILTIN_SETJMP_FRAME_VALUE \ + SUNOS4_SHARED_LIBRARIES PROMOTE_FOR_CALL_ONLY \ + SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE \ + DEFAULT_MAIN_RETURN TARGET_MEM_FUNCTIONS EXPAND_BUILTIN_VA_ARG \ + COLLECT_PARSE_FLAG DWARF2_GENERATE_TEXT_SECTION_LABEL WINNING_GDB \ + ASM_OUTPUT_FILENAME ASM_OUTPUT_SOURCE_LINE FILE_NAME_JOINER \ + GDB_INV_REF_REGPARM_STABS_LETTER DBX_MEMPARM_STABS_LETTER \ + PUT_SDB_SRC_FILE STABS_GCC_MARKER DBX_OUTPUT_FUNCTION_END \ + DBX_OUTPUT_GCC_MARKER DBX_FINISH_SYMBOL SDB_GENERATE_FAKE \ + NON_SAVING_SETJMP TARGET_LATE_RTL_PROLOGUE_EPILOGUE \ + CASE_DROPS_THROUGH TARGET_BELL TARGET_BS TARGET_CR TARGET_DIGIT0 \ + TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT \ + LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE \ + TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC \ + PREDICATE_CODES SPECIAL_MODE_PREDICATES HOST_PTR_PRINTF \ + EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION \ + TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION \ + SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON \ + ASM_OUTPUT_SHARED_LOCAL UNALIGNED_WORD_ASM_OP \ + ASM_MAKE_LABEL_LINKONCE /* Hooks that are no longer used. */ #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \ - LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES + LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES \ + LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \ + LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \ + LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \ + LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION /* Libiberty macros that are no longer used in GCC. */ #undef ANSI_PROTOTYPES