X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fsystem.h;h=f285e87674c899bdc284c22c9682a62b9c21e964;hb=83359e4a90c8101738ad8145d3392db62c8b7e7f;hp=d51c3286711a546fda12757bb47e9a8d0bd6d8a9;hpb=151899c537d746a9a9256b24370056707d6ec494;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/system.h b/gcc/system.h index d51c3286711..f285e87674c 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -1,6 +1,6 @@ /* Get common system includes and various definitions and declarations based on autoconf macros. - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of GCC. @@ -179,7 +179,7 @@ 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. */ @@ -303,6 +303,10 @@ 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 @@ -496,23 +500,51 @@ extern int snprintf (char *, size_t, const char *, ...); #define __builtin_expect(a, b) (a) #endif +/* 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. + 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 bool -#undef true -#undef false + #undef TRUE #undef FALSE -#define bool unsigned char -#define true 1 -#define false 0 +#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 + + /* Obsolete. */ +# define TRUE true +# define FALSE false +#endif /* !__cplusplus */ -#define TRUE true -#define FALSE false /* Some compilers do not allow the use of unsigned char in bitfields. */ #define BOOL_BITFIELD unsigned int @@ -579,7 +611,11 @@ extern int snprintf (char *, size_t, const char *, ...); 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 + 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 /* 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 @@ -596,7 +632,7 @@ extern int snprintf (char *, size_t, const char *, ...); 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 \ + ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL \ 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 \ @@ -616,11 +652,25 @@ extern int snprintf (char *, size_t, const char *, ...); 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 + 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 /* 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