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/* Mudflap: narrow-pointer bounds-checking by tree rewriting.

   Copyright (C) 2001, 2002, 2003, 2007, 2008, 2009, 2010

   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 "gimple.h"

#include "hashtab.h"

#include "output.h"

#include "langhooks.h"

#include "tree-mudflap.h"

#include "tree-pass.h"

#include "ggc.h"

#include "diagnostic-core.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)

{

  sorry ("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 */

  TV_NONE,                              /* tv_id */

  0,                                     /* properties_required */

  0,                                     /* properties_provided */

  0,                                     /* properties_destroyed */

  0,                                     /* todo_flags_start */

 }

};

struct gimple_opt_pass pass_mudflap_2 =

{

 {

  GIMPLE_PASS,

  "mudflap2",                           /* name */

  gate_mudflap,                         /* gate */

  NULL,                                 /* execute */

  NULL,                                 /* sub */

  NULL,                                 /* next */

  0,                                     /* static_pass_number */

  TV_NONE,                              /* tv_id */

  0,                                     /* properties_required */

  0,                                     /* properties_provided */

  0,                                     /* properties_destroyed */

  0,                                     /* todo_flags_start */

 }

};

/* Instead of:

#include "gt-tree-mudflap.h"

We prepare a little dummy struct here.

*/

EXPORTED_CONST struct ggc_root_tab gt_ggc_r_gt_tree_mudflap_h[] = {

  LAST_GGC_ROOT_TAB

};