Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 137 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/tsystem.h b/gcc-4.9/gcc/tsystem.h
new file mode 100644
index 000000000..a46ead51f
--- /dev/null
+++ b/gcc-4.9/gcc/tsystem.h
@@ -0,0 +1,137 @@
+/* Get common system includes and various definitions and declarations
+   based on target macros.
+   Copyright (C) 2000-2014 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 3, or (at your option) any later
+version.
+
+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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#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
+   getopt.h to be included, not the platform's copy.  In the default
+   case, gnu getopt.h will provide us with a no-argument prototype
+   which will generate -Wstrict-prototypes warnings.  None of the
+   target files actually use getopt, so it is safe to tell gnu
+   getopt.h we never need this prototype.  */
+#ifndef HAVE_DECL_GETOPT
+#define HAVE_DECL_GETOPT 1
+#endif
+
+/* We want everything from the glibc headers.  */
+#define _GNU_SOURCE 1
+
+/* GCC supplies these headers.  */
+#include <stddef.h>
+#include <float.h>
+
+#ifdef inhibit_libc
+
+#ifndef malloc
+extern void *malloc (size_t);
+#endif
+
+#ifndef free
+extern void free (void *);
+#endif
+
+#ifndef atexit
+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.  */
+#include <stdarg.h>
+
+/* All systems have this header.  */
+#include <stdio.h>
+
+/* All systems have this header.  */
+#include <sys/types.h>
+
+/* All systems have this header.  */
+#include <errno.h>
+
+#ifndef errno
+extern int errno;
+#endif
+
+/* If these system headers do not exist, fixincludes must create them.  */
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+/* GCC supplies this header.  */
+#include <limits.h>
+
+/* If these system headers do not exist, fixincludes must create them.  */
+#include <time.h>
+
+#endif /* inhibit_libc */
+
+/* Define a generic NULL if one hasn't already been defined.  */
+#ifndef NULL
+#define NULL 0
+#endif
+
+/* 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 ())
+
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q; TOTYPE _nq;})(X))._nq)
+#define CONST_CAST(TYPE,X) CONST_CAST2 (TYPE, const TYPE, (X))
+
+/* Filename handling macros.  */
+#include "filenames.h"
+
+#endif /* ! GCC_TSYSTEM_H */