* tree-phinode.c (resize_phi_node): Abort when LEN is strictly

[pf3gnuchains/gcc-fork.git] / gcc / system.h

diff --git a/gcc/system.h b/gcc/system.h
index d51c328..05b5150 100644 (file)
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -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 +611,10 @@ 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
 
 /* 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
@@ -616,11 +651,21 @@ 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
 
 /* 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