X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fsystem.h;h=80bfe619c3d11ebb377fe8f60a1d02c8c8a692c8;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=9747fe0e8f52a5e8c0bbb2364e75e49e352ad281;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/system.h b/gcc/system.h index 9747fe0e..80bfe619 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -1,12 +1,13 @@ /* Get common system includes and various definitions and declarations based on autoconf macros. - Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008 + Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later +Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY @@ -15,25 +16,15 @@ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 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. */ +along with GCC; see the file COPYING3. If not see +. */ #ifndef GCC_SYSTEM_H #define GCC_SYSTEM_H -/* This is the location of the online document giving information how - to report bugs. If you change this string, also check for strings - not under control of the preprocessor. */ -#define GCCBUGURL "" - -/* We must include stdarg.h/varargs.h before stdio.h. */ -#ifdef ANSI_PROTOTYPES +/* We must include stdarg.h before stdio.h. */ #include -#else -#include -#endif #ifndef va_copy # ifdef __va_copy @@ -54,6 +45,11 @@ 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 @@ -62,7 +58,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA HAVE_DECL_PUTC_UNLOCKED actually indicates whether or not the stdio code is multi-thread safe by default. If it is set to 0, then do not worry about using the _unlocked functions. - + fputs_unlocked, fwrite_unlocked, and fprintf_unlocked are extensions and need to be prototyped by hand (since we do not define _GNU_SOURCE). */ @@ -73,23 +69,91 @@ 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) # if defined (HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED -extern int fputs_unlocked PARAMS ((const char *, FILE *)); +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 PARAMS ((const PTR, size_t, size_t, FILE *)); +extern size_t fwrite_unlocked (const void *, size_t, size_t, FILE *); # endif # endif # ifdef HAVE_FPRINTF_UNLOCKED @@ -98,12 +162,17 @@ extern int fwrite_unlocked PARAMS ((const PTR, size_t, size_t, FILE *)); we have varargs macros. */ # define fprintf fprintf_unlocked # if defined (HAVE_DECL_FPRINTF_UNLOCKED) && !HAVE_DECL_FPRINTF_UNLOCKED -extern int fprintf_unlocked PARAMS ((FILE *, const char *, ...)); +extern int fprintf_unlocked (FILE *, const char *, ...); # endif # endif #endif +/* ??? Glibc's fwrite/fread_unlocked macros cause + "warning: signed and unsigned type in conditional expression". */ +#undef fread_unlocked +#undef fwrite_unlocked + /* There are an extraordinary number of issues with . The last straw is that it varies with the locale. Use libiberty's replacement instead. */ @@ -117,6 +186,10 @@ extern int fprintf_unlocked PARAMS ((FILE *, const char *, ...)); extern int errno; #endif +/* Some of glibc's string inlines cause warnings. Plus we'd rather + rely on (and therefore test) GCC's string builtins. */ +#define __NO_STRING_INLINES + #ifdef STRING_WITH_STRINGS # include # include @@ -153,6 +226,8 @@ extern int errno; # endif #endif +#define ICE_EXIT_CODE 4 + #ifdef HAVE_UNISTD_H # include #endif @@ -178,7 +253,8 @@ 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) - (unsigned HOST_WIDE_INT) (LOWER) \ + <= (unsigned HOST_WIDE_INT) (UPPER) - (unsigned HOST_WIDE_INT) (LOWER)) /* Infrastructure for defining missing _MAX and _MIN macros. Note that macros defined with these cannot be used in #if. */ @@ -279,39 +355,43 @@ extern int errno; is running so be careful to test "defined (HAVE_DECL_*)". */ #if defined (HAVE_DECL_ATOF) && !HAVE_DECL_ATOF -extern double atof PARAMS ((const char *)); +extern double atof (const char *); #endif #if defined (HAVE_DECL_ATOL) && !HAVE_DECL_ATOL -extern long atol PARAMS ((const char *)); +extern long atol (const char *); #endif #if defined (HAVE_DECL_FREE) && !HAVE_DECL_FREE -extern void free PARAMS ((PTR)); +extern void free (void *); #endif #if defined (HAVE_DECL_GETCWD) && !HAVE_DECL_GETCWD -extern char *getcwd PARAMS ((char *, size_t)); +extern char *getcwd (char *, size_t); #endif #if defined (HAVE_DECL_GETENV) && !HAVE_DECL_GETENV -extern char *getenv PARAMS ((const char *)); +extern char *getenv (const char *); #endif #if defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT -extern int getopt PARAMS ((int, char * const *, 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 PARAMS ((char *)); +extern char *getwd (char *); #endif #if defined (HAVE_DECL_SBRK) && !HAVE_DECL_SBRK -extern PTR sbrk PARAMS ((int)); +extern void *sbrk (int); #endif #if defined (HAVE_DECL_STRSTR) && !HAVE_DECL_STRSTR -extern char *strstr PARAMS ((const char *, const char *)); +extern char *strstr (const char *, const char *); #endif #ifdef HAVE_MALLOC_H @@ -319,32 +399,31 @@ extern char *strstr PARAMS ((const char *, const char *)); #endif #if defined (HAVE_DECL_MALLOC) && !HAVE_DECL_MALLOC -extern PTR malloc PARAMS ((size_t)); +extern void *malloc (size_t); #endif #if defined (HAVE_DECL_CALLOC) && !HAVE_DECL_CALLOC -extern PTR calloc PARAMS ((size_t, size_t)); +extern void *calloc (size_t, size_t); #endif #if defined (HAVE_DECL_REALLOC) && !HAVE_DECL_REALLOC -extern PTR realloc PARAMS ((PTR, size_t)); +extern void *realloc (void *, size_t); #endif /* If the system doesn't provide strsignal, we get it defined in libiberty but no declaration is supplied. */ -#ifndef HAVE_STRSIGNAL +#if !defined (HAVE_STRSIGNAL) \ + || (defined (HAVE_DECL_STRSIGNAL) && !HAVE_DECL_STRSIGNAL) # ifndef strsignal -extern const char *strsignal PARAMS ((int)); +extern const char *strsignal (int); # endif #endif #ifdef HAVE_GETRLIMIT # if defined (HAVE_DECL_GETRLIMIT) && !HAVE_DECL_GETRLIMIT # ifndef getrlimit -# ifdef ANSI_PROTOTYPES struct rlimit; -# endif -extern int getrlimit PARAMS ((int, struct rlimit *)); +extern int getrlimit (int, struct rlimit *); # endif # endif #endif @@ -352,22 +431,22 @@ extern int getrlimit PARAMS ((int, struct rlimit *)); #ifdef HAVE_SETRLIMIT # if defined (HAVE_DECL_SETRLIMIT) && !HAVE_DECL_SETRLIMIT # ifndef setrlimit -# ifdef ANSI_PROTOTYPES struct rlimit; -# endif -extern int setrlimit PARAMS ((int, const struct rlimit *)); +extern int setrlimit (int, const struct rlimit *); # endif # endif #endif -/* HAVE_VOLATILE only refers to the stage1 compiler. We also check - __STDC__ and assume gcc sets it and has volatile in stage >=2. */ -#if !defined(HAVE_VOLATILE) && !defined(__STDC__) && !defined(volatile) -#define volatile +#if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT +extern void abort (void); #endif -#if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT -extern void abort PARAMS ((void)); +#if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF +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. */ @@ -376,13 +455,6 @@ extern void abort PARAMS ((void)); ((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 @@ -425,16 +497,6 @@ extern void abort PARAMS ((void)); # 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 @@ -451,50 +513,24 @@ extern void abort PARAMS ((void)); # 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" -# else -# define HOST_PTR_PRINTF \ - (sizeof (int) == sizeof (char *) ? "%x" \ - : sizeof (long) == sizeof (char *) ? "%lx" : "%llx") -# endif -#endif /* ! HOST_PTR_PRINTF */ - /* By default, colon separates directories in a path. */ #ifndef PATH_SEPARATOR #define PATH_SEPARATOR ':' #endif +/* Filename handling macros. */ +#include "filenames.h" + +/* These should be phased out in favor of IS_DIR_SEPARATOR, where possible. */ #ifndef DIR_SEPARATOR -#define DIR_SEPARATOR '/' -#endif - -/* Define IS_DIR_SEPARATOR. */ -#ifndef DIR_SEPARATOR_2 -# define IS_DIR_SEPARATOR(CH) ((CH) == DIR_SEPARATOR) -#else /* DIR_SEPARATOR_2 */ -# define IS_DIR_SEPARATOR(CH) \ - (((CH) == DIR_SEPARATOR) || ((CH) == DIR_SEPARATOR_2)) -#endif /* DIR_SEPARATOR_2 */ - -/* Say how to test for an absolute pathname. On Unix systems, this is if - it starts with a leading slash or a '$', the latter meaning the value of - an environment variable is to be used. On machien with DOS-based - file systems, it is also absolute if it starts with a drive identifier. */ -#ifdef HAVE_DOS_BASED_FILE_SYSTEM -#define IS_ABSOLUTE_PATHNAME(STR) \ - (IS_DIR_SEPARATOR ((STR)[0]) || (STR)[0] == '$' \ - || ((STR)[0] != '\0' && (STR)[1] == ':' && IS_DIR_SEPARATOR ((STR)[2]))) -#else -#define IS_ABSOLUTE_PATHNAME(STR) \ - (IS_DIR_SEPARATOR ((STR)[0]) || (STR)[0] == '$') +# define DIR_SEPARATOR '/' +# ifdef HAVE_DOS_BASED_FILE_SYSTEM +# define DIR_SEPARATOR_2 '\\' +# endif #endif /* Get libiberty declarations. */ #include "libiberty.h" -#include "symcat.h" /* Provide a default for the HOST_BIT_BUCKET. This suffices for POSIX-like hosts. */ @@ -507,7 +543,7 @@ extern void abort PARAMS ((void)); FIXME: provide a complete autoconf test for buggy enum bitfields. */ #if (GCC_VERSION > 2000) -#define ENUM_BITFIELD(TYPE) enum TYPE +#define ENUM_BITFIELD(TYPE) __extension__ enum TYPE #else #define ENUM_BITFIELD(TYPE) unsigned int #endif @@ -516,16 +552,6 @@ extern void abort PARAMS ((void)); #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER) #endif -/* Traditional C cannot initialize union members of structs. Provide - a macro which expands appropriately to handle it. This only works - if you intend to initialize the union member to zero since it relies - on default initialization to zero in the traditional C case. */ -#ifdef __STDC__ -#define UNION_INIT_ZERO , {0} -#else -#define UNION_INIT_ZERO -#endif - /* Various error reporting routines want to use __FUNCTION__. */ #if (GCC_VERSION < 2007) #ifndef __FUNCTION__ @@ -540,28 +566,53 @@ extern void abort PARAMS ((void)); #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 @@ -578,6 +629,13 @@ typedef char _Bool; #define really_call_calloc calloc #define really_call_realloc realloc +#if defined(FLEX_SCANNER) || defined(YYBISON) || defined(YYBYACC) +/* Flex and bison use malloc and realloc. Yuk. Note that this means + really_call_* cannot be used in a .l or .y file. */ +#define malloc xmalloc +#define realloc xrealloc +#endif + #if (GCC_VERSION >= 3000) /* Note autoconf checks for prototype declarations and includes @@ -585,11 +643,15 @@ typedef char _Bool; compiling gcc, so that the autoconf declaration tests for malloc etc don't spuriously fail. */ #ifdef IN_GCC -#undef malloc -#undef realloc #undef calloc #undef strdup - #pragma GCC poison malloc realloc calloc strdup + #pragma GCC poison calloc strdup + +#if !defined(FLEX_SCANNER) && !defined(YYBISON) +#undef malloc +#undef realloc + #pragma GCC poison malloc realloc +#endif /* Old target macros that have moved to the target hooks structure. */ #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN \ @@ -600,22 +662,102 @@ typedef char _Bool; SET_DEFAULT_TYPE_ATTRIBUTES SET_DEFAULT_DECL_ATTRIBUTES \ MERGE_MACHINE_TYPE_ATTRIBUTES MERGE_MACHINE_DECL_ATTRIBUTES \ MD_INIT_BUILTINS MD_EXPAND_BUILTIN ASM_OUTPUT_CONSTRUCTOR \ - ASM_OUTPUT_DESTRUCTOR SIGNED_CHAR_SPEC - -/* And other obsolete target macros, or macros that used to be in target + ASM_OUTPUT_DESTRUCTOR SIGNED_CHAR_SPEC MAX_CHAR_TYPE_SIZE \ + WCHAR_UNSIGNED UNIQUE_SECTION SELECT_SECTION SELECT_RTX_SECTION \ + ENCODE_SECTION_INFO STRIP_NAME_ENCODING ASM_GLOBALIZE_LABEL \ + ASM_OUTPUT_MI_THUNK CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS \ + ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END \ + ASM_SIMPLIFY_DWARF_ADDR INIT_TARGET_OPTABS INIT_SUBTARGET_OPTABS \ + 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 \ + 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 been used. */ - #pragma GCC poison INT_ASM_OP ASM_OUTPUT_EH_REGION_BEG \ - ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT \ + #pragma GCC poison INT_ASM_OP ASM_OUTPUT_EH_REGION_BEG CPP_PREDEFINES \ + ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT SMALL_STACK \ DOESNT_NEED_UNWINDER EH_TABLE_LOOKUP OBJC_SELECTORS_WITHOUT_LABELS \ OMIT_EH_TABLE EASY_DIV_EXPR IMPLICIT_FIX_EXPR \ LONGJMP_RESTORE_FROM_STACK MAX_INT_TYPE_SIZE ASM_IDENTIFY_GCC \ STDC_VALUE TRAMPOLINE_ALIGN ASM_IDENTIFY_GCC_AFTER_SOURCE \ SLOW_ZERO_EXTEND SUBREG_REGNO_OFFSET DWARF_LINE_MIN_INSTR_LENGTH \ - BLOCK_PROFILER BLOCK_PROFILER_CODE FUNCTION_BLOCK_PROFILER \ - FUNCTION_BLOCK_PROFILER_EXIT MACHINE_STATE_SAVE \ - MACHINE_STATE_RESTORE - + TRADITIONAL_RETURN_FLOAT NO_BUILTIN_SIZE_TYPE \ + 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 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 \ + DBX_WORKING_DIRECTORY INSN_CACHE_DEPTH INSN_CACHE_SIZE \ + INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT \ + EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER \ + LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES \ + 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 \ + 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_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 + +/* Miscellaneous macros that are no longer used. */ + #pragma GCC poison USE_MAPPED_LOCATION + +/* Libiberty macros that are no longer used in GCC. */ +#undef ANSI_PROTOTYPES +#undef PTR_CONST +#undef LONG_DOUBLE +#undef VPARAMS +#undef VA_OPEN +#undef VA_FIXEDARG +#undef VA_CLOSE +#undef VA_START + #pragma GCC poison ANSI_PROTOTYPES PTR_CONST LONG_DOUBLE VPARAMS VA_OPEN \ + VA_FIXEDARG VA_CLOSE VA_START #endif /* IN_GCC */ /* Note: not all uses of the `index' token (e.g. variable names and @@ -628,4 +770,68 @@ typedef char _Bool; #endif /* GCC >= 3.0 */ +/* This macro allows casting away const-ness to pass -Wcast-qual + warnings. DO NOT USE THIS UNLESS YOU REALLY HAVE TO! It should + only be used in certain specific cases. One valid case is where + the C standard definitions or prototypes force you to. E.g. if you + need to free a const object, or if you pass a const string to + execv, et al. Another valid use would be in an allocation function + that creates const objects that need to be initialized. In some + cases we have non-const functions that return the argument + (e.g. next_nonnote_insn). Rather than create const shadow + functions, we can cast away const-ness in calling these interfaces + if we're careful to verify that the called function does indeed not + modify its argument and the return value is only used in a const + context. (This can be somewhat dangerous as these assumptions can + change after the fact). Beyond these uses, most other cases of + using this macro should be viewed with extreme caution. */ + +#if defined(__GNUC__) && GCC_VERSION > 4000 +/* GCC 4.0.x has a bug where it may ICE on this expression, + so does GCC 3.4.x (PR17436). */ +#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q; TOTYPE _nq;})(X))._nq) +#else +#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((TOTYPE)(FROMTYPE)(X)) +#endif +#define CONST_CAST(TYPE,X) CONST_CAST2(TYPE, const TYPE, (X)) +#define CONST_CAST_TREE(X) CONST_CAST(union tree_node *, (X)) +#define CONST_CAST_RTX(X) CONST_CAST(struct rtx_def *, (X)) +#define CONST_CAST_BB(X) CONST_CAST(struct basic_block_def *, (X)) +#define CONST_CAST_GIMPLE(X) CONST_CAST(union gimple_statement_d *, (X)) + +/* Activate certain diagnostics as warnings (not errors via the + -Werror flag). */ +#if GCC_VERSION >= 4003 +/* If asserts are disabled, activate -Wuninitialized as a warning (not + an error/-Werror). */ +#ifndef ENABLE_ASSERT_CHECKING +#pragma GCC diagnostic warning "-Wuninitialized" +#endif +#endif + +#ifdef ENABLE_VALGRIND_CHECKING +# ifdef HAVE_VALGRIND_MEMCHECK_H +# include +# elif defined HAVE_MEMCHECK_H +# include +# else +# include +# endif +/* Compatibility macros to let valgrind 3.1 work. */ +# ifndef VALGRIND_MAKE_MEM_NOACCESS +# define VALGRIND_MAKE_MEM_NOACCESS VALGRIND_MAKE_NOACCESS +# endif +# ifndef VALGRIND_MAKE_MEM_DEFINED +# define VALGRIND_MAKE_MEM_DEFINED VALGRIND_MAKE_READABLE +# endif +# ifndef VALGRIND_MAKE_MEM_UNDEFINED +# define VALGRIND_MAKE_MEM_UNDEFINED VALGRIND_MAKE_WRITABLE +# endif +#else +/* Avoid #ifdef:s when we can help it. */ +#define VALGRIND_DISCARD(x) +#define VALGRIND_MALLOCLIKE_BLOCK(w,x,y,z) +#define VALGRIND_FREELIKE_BLOCK(x,y) +#endif + #endif /* ! GCC_SYSTEM_H */