Imported gcc-4.4.3

[msp430-gcc.git] / gcc / tree-nomudflap.c

diff --git a/gcc/tree-nomudflap.c b/gcc/tree-nomudflap.c
new file mode 100644 (file)
index 0000000..3d1c7eb
--- /dev/null
+++ b/gcc/tree-nomudflap.c
@@ -0,0 +1,138 @@
+/* Mudflap: narrow-pointer bounds-checking by tree rewriting.
+   Copyright (C) 2001, 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
+   Contributed by Frank Ch. Eigler <fche@redhat.com>
+
+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.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "tree.h"
+#include "tree-inline.h"
+#include "c-tree.h"
+#include "c-common.h"
+#include "gimple.h"
+#include "diagnostic.h"
+#include "hashtab.h"
+#include "output.h"
+#include "varray.h"
+#include "langhooks.h"
+#include "tree-mudflap.h"
+#include "tree-pass.h"
+#include "ggc.h"
+#include "toplev.h"
+
+
+
+/* This file contains placeholder functions, to be used only for
+   language processors that cannot handle tree-mudflap.c directly.
+   (e.g. Fortran).  */
+
+static void
+nogo (void)
+{
+  internal_error ("mudflap: this language is not supported");
+}
+
+void
+mudflap_enqueue_decl (tree obj ATTRIBUTE_UNUSED)
+{
+  nogo ();
+}
+
+void
+mudflap_enqueue_constant (tree obj ATTRIBUTE_UNUSED)
+{
+  nogo ();
+}
+
+void
+mudflap_finish_file (void)
+{
+  nogo ();
+}
+
+int
+mf_marked_p (tree t ATTRIBUTE_UNUSED)
+{
+  nogo ();
+  return 0;
+}
+
+tree
+mf_mark (tree t ATTRIBUTE_UNUSED)
+{
+  nogo ();
+  return NULL;
+}
+
+/* The pass structures must exist, but need not do anything.  */
+
+static bool
+gate_mudflap (void)
+{
+  return flag_mudflap != 0;
+}
+
+struct gimple_opt_pass pass_mudflap_1 = 
+{
+ {
+  GIMPLE_PASS,
+  "mudflap1",                          /* name */
+  gate_mudflap,                         /* gate */
+  NULL,                                        /* execute */
+  NULL,                                        /* sub */
+  NULL,                                        /* next */
+  0,                                   /* static_pass_number */
+  0,                                   /* tv_id */
+  0,                                   /* properties_required */
+  0,                                   /* properties_provided */
+  0,                                   /* properties_destroyed */
+  0,                                   /* todo_flags_start */
+  0                                     /* todo_flags_finish */
+ }
+};
+
+struct gimple_opt_pass pass_mudflap_2 = 
+{
+ {
+  GIMPLE_PASS,
+  "mudflap2",                          /* name */
+  gate_mudflap,                         /* gate */
+  NULL,                                        /* execute */
+  NULL,                                        /* sub */
+  NULL,                                        /* next */
+  0,                                   /* static_pass_number */
+  0,                                   /* tv_id */
+  0,                                   /* properties_required */
+  0,                                   /* properties_provided */
+  0,                                   /* properties_destroyed */
+  0,                                   /* todo_flags_start */
+  0                                     /* todo_flags_finish */
+ }
+};
+
+/* Instead of:
+#include "gt-tree-mudflap.h"
+We prepare a little dummy struct here.
+*/
+
+const struct ggc_root_tab gt_ggc_r_gt_tree_mudflap_h[] = {
+  LAST_GGC_ROOT_TAB
+};