/* 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
+ Free Software Foundation, Inc.
This file is part of GCC.
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
# 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
-#endif
-
#if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT
extern void abort (void);
#endif
+#if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
+extern int snprintf (char *, size_t, const char *, ...);
+#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 <sys/stat.h>
#endif
# 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
#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 \
- (sizeof (int) == sizeof (char *) ? "%x" \
- : sizeof (long) == sizeof (char *) ? "%lx" : "%llx")
+# define HOST_PTR_PRINTF "%llx"
# endif
#endif /* ! HOST_PTR_PRINTF */
#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 '$', the latter meaning the value of
- an environment variable is to be used. On machine with DOS-based
- file systems, it is also absolute if it starts with a drive identifier. */
-#ifdef HAVE_DOS_BASED_FILE_SYSTEM
-#define IS_ABSOLUTE_PATHNAME(STR) \
- (IS_DIR_SEPARATOR ((STR)[0]) || (STR)[0] == '$' \
- || ((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. */
#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) enum TYPE
-#define CHAR_BITFIELD unsigned char
+#define ENUM_BITFIELD(TYPE) __extension__ enum TYPE
#else
#define ENUM_BITFIELD(TYPE) unsigned int
-#define CHAR_BITFIELD unsigned int
#endif
#ifndef offsetof
#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 <stdbool.h>
-#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
#define really_call_calloc calloc
#define really_call_realloc realloc
-#if defined(FLEX_SCANNER) || defined(YYBISON)
+#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
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_END
+ 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
/* 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 CPP_PREDEFINES \
- ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT \
+ 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 \
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
+ 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 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
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
- LANG_HOOKS_MARK_TREE
-
+ 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
+#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