X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Ftsystem.h;h=cbd21dc1ed8020e05e4dfafcdc955f3885bcd31d;hb=afb8cabf7ff84281c94922e3d2a7e6eb73e6b157;hp=4c21f810f1b2c39c94e75e4349a4cf733a7498e2;hpb=597183a713c90c46dc9c299d1a53660733e5ffc1;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/tsystem.h b/gcc/tsystem.h
index 4c21f810f1b..cbd21dc1ed8 100644
--- a/gcc/tsystem.h
+++ b/gcc/tsystem.h
@@ -1,26 +1,33 @@
 /* Get common system includes and various definitions and declarations
    based on target macros.
-   Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC 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 version.
+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
+version.
 
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+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 GNU CC; 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 COPYING.  If not, write to the Free
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
 
-#ifndef __GCC_TSYSTEM_H__
-#define __GCC_TSYSTEM_H__
+/* As a special exception, if you link this library with other files,
+   some of which are compiled with GCC, to produce an executable,
+   this library does not by itself cause the resulting executable
+   to be covered by the GNU General Public License.
+   This exception does not however invalidate any other reasons why
+   the executable file might be covered by the GNU General Public License.  */
+
+#ifndef GCC_TSYSTEM_H
+#define GCC_TSYSTEM_H
 
 /* System headers (e.g. stdio.h, stdlib.h, unistd.h) sometimes
    indirectly include getopt.h.  Our -I flags will cause gcc's gnu
@@ -33,8 +40,12 @@ Boston, MA 02111-1307, USA.  */
 #define HAVE_DECL_GETOPT 1
 #endif
 
-/* GCC supplies this header. */
+/* We want everything from the glibc headers.  */
+#define _GNU_SOURCE 1
+
+/* GCC supplies these headers.  */
 #include <stddef.h>
+#include <float.h>
 
 #ifdef inhibit_libc
 
@@ -50,42 +61,54 @@ extern void free (void *);
 extern int atexit (void (*)(void));
 #endif
 
+#ifndef abort
+extern void abort (void) __attribute__ ((__noreturn__));
+#endif
+
+#ifndef strlen
+extern size_t strlen (const char *);
+#endif
+
+#ifndef memcpy
+extern void *memcpy (void *, const void *, size_t);
+#endif
+
+#ifndef memset
+extern void *memset (void *, int, size_t);
+#endif
+
 #else /* ! inhibit_libc */
 /* We disable this when inhibit_libc, so that gcc can still be built without
    needing header files first.  */
 /* ??? This is not a good solution, since prototypes may be required in
    some cases for correct code.  */
 
-/* GCC supplies this header. */
+/* GCC supplies this header.  */
 #include <stdarg.h>
 
-/* All systems have this header. */
+/* All systems have this header.  */
 #include <stdio.h>
 
-/* All systems have this header. */
+/* All systems have this header.  */
 #include <sys/types.h>
 
-/* All systems have this header. */
+/* All systems have this header.  */
 #include <errno.h>
 
 #ifndef errno
 extern int errno;
 #endif
 
-#ifdef POSIX
+/* GCC (fixproto) guarantees these system headers exist.  */
 #include <string.h>
-#endif
-
-/* GCC (fixproto) guarantees these system headers exist. */
 #include <stdlib.h>
 #include <unistd.h>
 
-/* GCC supplies this header. */
+/* GCC supplies this header.  */
 #include <limits.h>
 
-#ifdef POSIX
+/* GCC (fixproto) guarantees this system headers exists.  */
 #include <time.h>
-#endif
 
 #endif /* inhibit_libc */
 
@@ -94,4 +117,21 @@ extern int errno;
 #define NULL 0
 #endif
 
-#endif /* __GCC_TSYSTEM_H__ */
+/* GCC always provides __builtin_alloca(x).  */
+#undef alloca
+#define alloca(x) __builtin_alloca(x)
+
+#ifdef ENABLE_RUNTIME_CHECKING
+#define gcc_assert(EXPR) ((void)(!(EXPR) ? abort (), 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() (abort ())
+
+/* Filename handling macros.  */
+#include "filenames.h"
+
+#endif /* ! GCC_TSYSTEM_H */