Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / spu / mfc_tag_table.c

diff --git a/gcc/config/spu/mfc_tag_table.c b/gcc/config/spu/mfc_tag_table.c
new file mode 100644 (file)
index 0000000..bd08c58
--- /dev/null
+++ b/gcc/config/spu/mfc_tag_table.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 2007, 2009 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/>.  */
+
+/* The free tag table used by the MFC tag manager, with tag0
+   reserved for the overlay manager.  */
+__vector unsigned int
+__mfc_tag_table = (__vector unsigned int) { 0x7FFFFFFF, -1, -1, -1 };
+
+/* Arrange to release tag0 if overlays are not present.  */
+static void __mfc_tag_init (void) __attribute__ ((constructor));
+
+static void
+__mfc_tag_init (void)
+{
+  extern void _ovly_table __attribute__ ((weak));
+
+  if (&_ovly_table == 0)
+    __mfc_tag_table = (__vector unsigned int) { -1, -1, -1, -1 };
+}