include/

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

diff --git a/gcc/system.h b/gcc/system.h
index 42332b3..147801b 100644 (file)
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -1,7 +1,7 @@
 /* Get common system includes and various definitions and declarations based
    on autoconf macros.
    Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
-   2009, 2010
+   2009, 2010, 2011
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -180,7 +180,7 @@ extern int fprintf_unlocked (FILE *, const char *, ...);
 /* There are an extraordinary number of issues with <ctype.h>.
    The last straw is that it varies with the locale.  Use libiberty's
    replacement instead.  */
-#include <safe-ctype.h>
+#include "safe-ctype.h"
 
 #include <sys/types.h>
 
@@ -190,6 +190,10 @@ extern int fprintf_unlocked (FILE *, const char *, ...);
 extern int errno;
 #endif
 
+#ifdef __cplusplus
+# include <cstring>
+#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
@@ -314,6 +318,9 @@ extern int errno;
 #ifndef O_WRONLY
 # define O_WRONLY 1
 #endif
+#ifndef O_BINARY
+# define O_BINARY 0
+#endif
 
 /* Some systems define these in, e.g., param.h.  We undefine these names
    here to avoid the warnings.  We prefer to use our definitions since we
@@ -353,6 +360,31 @@ extern int errno;
 #define WCOREFLG 0200
 #endif
 
+#include <signal.h>
+#if !defined (SIGCHLD) && defined (SIGCLD)
+# define SIGCHLD SIGCLD
+#endif
+
+#ifdef HAVE_SYS_MMAN_H
+# include <sys/mman.h>
+#endif
+
+#ifndef MAP_FAILED
+# define MAP_FAILED ((void *)-1)
+#endif
+
+#if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
+# define MAP_ANONYMOUS MAP_ANON
+#endif
+
+#ifdef HAVE_SYS_RESOURCE_H
+# include <sys/resource.h>
+#endif
+
+#ifdef HAVE_SYS_TIMES_H
+# include <sys/times.h>
+#endif
+
 /* The HAVE_DECL_* macros are three-state, undefined, 0 or 1.  If they
    are defined to 0 then we must provide the relevant declaration
    here.  These checks will be in the undefined state while configure
@@ -526,6 +558,10 @@ extern int vsnprintf(char *, size_t, const char *, va_list);
 # define mkdir(a,b) mkdir(a)
 #endif
 
+#ifndef HAVE_KILL
+# define kill(p,s) raise(s)
+#endif
+
 /* Provide a way to print an address via printf.  */
 #ifndef HOST_PTR_PRINTF
 #define HOST_PTR_PRINTF "%p"
@@ -547,6 +583,11 @@ extern int vsnprintf(char *, size_t, const char *, va_list);
 # endif
 #endif
 
+#if defined (ENABLE_PLUGIN) && defined (HAVE_DLFCN_H)
+/* If plugin support is enabled, we could use libdl.  */
+#include <dlfcn.h>
+#endif
+
 /* Get libiberty declarations.  */
 #include "libiberty.h"
 
@@ -557,15 +598,6 @@ extern int vsnprintf(char *, size_t, const char *, va_list);
 #define HOST_BIT_BUCKET "/dev/null"
 #endif
 
-/* 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) __extension__ enum TYPE
-#else
-#define ENUM_BITFIELD(TYPE) unsigned int
-#endif
-
 #ifndef offsetof
 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
 #endif
@@ -684,6 +716,12 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
  #pragma GCC poison malloc realloc
 #endif
 
+/* The %m format should be used when GCC's main diagnostic functions
+   supporting %m are available, and xstrerror from libiberty
+   otherwise.  */
+#undef strerror
+ #pragma GCC poison strerror
+
 /* Old target macros that have moved to the target hooks structure.  */
  #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN                     \
        FUNCTION_PROLOGUE FUNCTION_EPILOGUE                             \
@@ -719,8 +757,9 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
        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
+       LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP JUMP_ALIGN_MAX_SKIP          \
+       CAN_DEBUG_WITHOUT_FP UNLIKELY_EXECUTED_TEXT_SECTION_NAME        \
+       HOT_TEXT_SECTION_NAME LEGITIMATE_CONSTANT_P
 
 /* 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
@@ -778,7 +817,11 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
        ASM_DECLARE_CONSTANT_NAME MODIFY_TARGET_NAME SWITCHES_NEED_SPACES  \
        SWITCH_CURTAILS_COMPILATION SWITCH_TAKES_ARG WORD_SWITCH_TAKES_ARG \
        TARGET_OPTION_TRANSLATE_TABLE HANDLE_PRAGMA_PACK_PUSH_POP          \
-       HANDLE_SYSV_PRAGMA HANDLE_PRAGMA_WEAK
+       HANDLE_SYSV_PRAGMA HANDLE_PRAGMA_WEAK CONDITIONAL_REGISTER_USAGE   \
+       FUNCTION_ARG_BOUNDARY MUST_USE_SJLJ_EXCEPTIONS US_SOFTWARE_GOFAST  \
+       USING_SVR4_H SVR4_ASM_SPEC FUNCTION_ARG FUNCTION_ARG_ADVANCE       \
+       FUNCTION_INCOMING_ARG IRA_COVER_CLASSES TARGET_VERSION             \
+       MACHINE_TYPE TARGET_HAS_TARGETCM ASM_OUTPUT_BSS
 
 /* Hooks that are no longer used.  */
  #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE  \
@@ -789,13 +832,15 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
        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
+       TARGET_HANDLE_OFAST TARGET_OPTION_OPTIMIZATION \
+        TARGET_IRA_COVER_CLASSES
 
 /* Hooks into libgcc2.  */
- #pragma GCC poison LIBGCC2_DOUBLE_TYPE_SIZE LIBGCC2_WORDS_BIG_ENDIAN
+ #pragma GCC poison LIBGCC2_DOUBLE_TYPE_SIZE LIBGCC2_WORDS_BIG_ENDIAN \
+   LIBGCC2_FLOAT_WORDS_BIG_ENDIAN
 
 /* Miscellaneous macros that are no longer used.  */
- #pragma GCC poison USE_MAPPED_LOCATION
+ #pragma GCC poison USE_MAPPED_LOCATION GET_ENVIRONMENT
 
 /* Libiberty macros that are no longer used in GCC.  */
 #undef ANSI_PROTOTYPES