X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fsystem.h;h=d45e56afb337c4ccbfd2504a93dafbf80068cae7;hb=782858b8cb5960a958ff47f1fe62fd9896596002;hp=2631de178df911373c5feebd2e78ab934e1038f5;hpb=bfb835d327b6e6be128fc7e8a7fa43c5ae8ea9c1;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/system.h b/gcc/system.h index 2631de178df..d45e56afb33 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 @@ -372,13 +376,6 @@ extern int snprintf (char *, size_t, const char *, ...); ((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 @@ -421,16 +418,6 @@ 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 @@ -495,14 +482,6 @@ extern int snprintf (char *, size_t, const char *, ...); #define ENUM_BITFIELD(TYPE) unsigned int #endif -/* We only use bool bitfields with gcc3. Some supposedly C99 - compilers don't handle them correctly. */ -#if (GCC_VERSION >= 3000) -#define BOOL_BITFIELD _Bool -#else -#define BOOL_BITFIELD unsigned int -#endif - #ifndef offsetof #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER) #endif @@ -521,28 +500,54 @@ 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 */ + + +/* 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 @@ -606,7 +611,11 @@ typedef char _Bool; STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING \ PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM \ SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS \ - DEFAULT_SHORT_ENUMS + 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 @@ -623,7 +632,7 @@ typedef char _Bool; 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 \ @@ -637,11 +646,31 @@ typedef char _Bool; 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 GCOV_TYPE_SIZE SHARED_SECTION_ASM_OP + MAX_WCHAR_TYPE_SIZE GCOV_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 /* 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 /* Libiberty macros that are no longer used in GCC. */ #undef ANSI_PROTOTYPES