/* 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, 2007, 2008,
+ 2009, 2010
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
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
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_SYSTEM_H
#define NULL 0
#endif
+/* Use the unlocked open routines from libiberty. */
+#ifdef fopen /* fopen is a #define on VMS. */
+#undef fopen
+#endif
+#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
# 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)
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
# endif
#endif
+#define ICE_EXIT_CODE 4
+
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
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. */
extern void *realloc (void *, size_t);
#endif
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+
/* If the system doesn't provide strsignal, we get it defined in
libiberty but no declaration is supplied. */
#if !defined (HAVE_STRSIGNAL) \
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))
+ (((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) \
+ && !defined(__cplusplus))
#endif
#if HAVE_SYS_STAT_H
/* 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
+#define HOST_PTR_PRINTF "%p"
#endif /* ! HOST_PTR_PRINTF */
/* By default, colon separates directories in a path. */
#if ENABLE_ASSERT_CHECKING
#define gcc_assert(EXPR) \
((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0))
+#elif (GCC_VERSION >= 4005)
+#define gcc_assert(EXPR) \
+ ((void)(__builtin_expect(!(EXPR), 0) ? __builtin_unreachable(), 0 : 0))
#else
/* Include EXPR, so that unused variable warnings do not occur. */
#define gcc_assert(EXPR) ((void)(0 && (EXPR)))
#endif
+#ifdef ENABLE_CHECKING
+#define gcc_checking_assert(EXPR) gcc_assert (EXPR)
+#else
+#define gcc_checking_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). */
+#if (GCC_VERSION >= 4005) && !ENABLE_ASSERT_CHECKING
+#define gcc_unreachable() __builtin_unreachable()
+#else
#define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))
+#endif
/* Provide a fake boolean type. We make no attempt to use the
C99 _Bool, as it may not be available in the bootstrap compiler,
# define FALSE false
#endif /* !__cplusplus */
-
/* Some compilers do not allow the use of unsigned char in bitfields. */
#define BOOL_BITFIELD unsigned int
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 \
+ ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS PROMOTE_FUNCTION_MODE \
STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING \
PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM \
SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS \
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
+ FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL \
+ ALLOCATE_INITIAL_VALUE LEGITIMIZE_ADDRESS FRAME_POINTER_REQUIRED \
+ CAN_ELIMINATE TRAMPOLINE_TEMPLATE INITIALIZE_TRAMPOLINE \
+ TRAMPOLINE_ADJUST_ADDRESS STATIC_CHAIN STATIC_CHAIN_INCOMING \
+ RETURN_POPS_ARGS UNITS_PER_SIMD_WORD OVERRIDE_OPTIONS \
+ OPTIMIZATION_OPTIONS CLASS_LIKELY_SPILLED_P \
+ USING_SJLJ_EXCEPTIONS TARGET_UNWIND_INFO \
+ LABEL_ALIGN_MAX_SKIP LOOP_ALIGN_MAX_SKIP \
+ LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP JUMP_ALIGN_MAX_SKIP \
+ CAN_DEBUG_WITHOUT_FP
/* 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
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 \
+ 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 \
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 \
+ 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 \
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
+ 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 UNALIGNED_WORD_ASM_OP \
+ 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 ASM_MAKE_LABEL_LINKONCE \
+ STACK_CHECK_PROBE_INTERVAL STACK_CHECK_PROBE_LOAD \
+ ORDER_REGS_FOR_LOCAL_ALLOC FUNCTION_OUTGOING_VALUE \
+ ASM_DECLARE_CONSTANT_NAME MODIFY_TARGET_NAME SWITCHES_NEED_SPACES \
+ SWITCH_CURTAILS_COMPILATION
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
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_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION \
+ TARGET_PROMOTE_FUNCTION_ARGS TARGET_PROMOTE_FUNCTION_RETURN \
+ LANG_HOOKS_MISSING_ARGUMENT LANG_HOOKS_HASH_TYPES \
+ TARGET_HANDLE_OFAST TARGET_OPTION_OPTIMIZATION
+
+/* Hooks into libgcc2. */
+ #pragma GCC poison LIBGCC2_DOUBLE_TYPE_SIZE LIBGCC2_WORDS_BIG_ENDIAN
+
+/* 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
VA_FIXEDARG VA_CLOSE VA_START
#endif /* IN_GCC */
+/* Front ends should never have to include middle-end headers. Enforce
+ this by poisoning the header double-include protection defines. */
+#ifdef IN_GCC_FRONTEND
+#pragma GCC poison GCC_RTL_H GCC_EXCEPT_H GCC_EXPR_H
+#endif
+
/* Note: not all uses of the `index' token (e.g. variable names and
structure members) have been eliminated. */
#undef bcopy
#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. */
+
+#ifdef __cplusplus
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) (const_cast<TOTYPE> (X))
+#else
+#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)
+#elif defined(__GNUC__)
+static inline char *
+helper_const_non_const_cast (const char *p)
+{
+ union {
+ const char *const_c;
+ char *c;
+ } val;
+ val.const_c = p;
+ return val.c;
+}
+
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) \
+ ((TOTYPE) helper_const_non_const_cast ((const char *) (FROMTYPE) (X)))
+#else
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((TOTYPE)(FROMTYPE)(X))
+#endif
+#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 <valgrind/memcheck.h>
+# elif defined HAVE_MEMCHECK_H
+# include <memcheck.h>
+# else
+# include <valgrind.h>
+# 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
+
+/* In LTO -fwhole-program build we still want to keep the debug functions available
+ for debugger. Mark them as used to prevent removal. */
+#if (GCC_VERSION > 4000)
+#define DEBUG_FUNCTION __attribute__ ((__used__))
+#define DEBUG_VARIABLE __attribute__ ((__used__))
+#else
+#define DEBUG_FUNCTION
+#define DEBUG_VARIABLE
+#endif
+
#endif /* ! GCC_SYSTEM_H */
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