merge from gcc

include/ChangeLog

@@ -1,3 +1,7 @@
+2013-08-02  Caroline Tice  <cmtice@google.com>
+
+	* vtv-change-permission.h: New file.
+
 2013-08-05  Eric Botcazou  <ebotcazou@adacore.com>
             Konrad Eisele  <konrad@gaisler.com>
 

include/vtv-change-permission.h

@@ -0,0 +1,55 @@
+/* Copyright (C) 2013
+   Free Software Foundation
+  
+   This file is part of GCC.
+  
+   modify it under the terms of the GNU Library General Public License
+   as published by the Free Software Foundation; either version 2, or
+   (at your option) any later version.
+
+   In addition to the permissions in the GNU Library General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file into
+   combinations with other programs, and to distribute those
+   combinations without any restriction coming from the use of this
+   file.  (The Library Public License restrictions do apply in other
+   respects; for example, they cover modification of the file, and
+   distribution when not linked into a combined executable.)
+
+   This program 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+
+#ifndef __VTV_H__
+#define __VTV_H__
+
+/* We could have used an enumeration here but it just makes it more
+   difficult for the compiler to generate a call to this.  These are
+   used as arguments to the function __VLTChangePermission, declared
+   below.  */
+#define __VLTP_READ_ONLY  0
+#define __VLTP_READ_WRITE 1
+
+#ifdef __cplusplus
+extern "C" void __VLTChangePermission (int);
+#else
+extern void __VLTChangePermission (int);
+#endif
+
+#ifdef BIG_PAGE_SIZE
+/* TODO - Replace '4096' below with correct big page size.  */
+#define VTV_PAGE_SIZE 4096
+#else 
+#define VTV_PAGE_SIZE 4096
+#endif
+
+
+
+#endif /* __VTV_H__ */