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/* Mudflap: narrow-pointer bounds-checking by tree rewriting.
Copyright (C) 2001-2013 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 "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;
}
namespace {
const pass_data pass_data_mudflap_1 =
{
GIMPLE_PASS, /* type */
"mudflap1", /* name */
OPTGROUP_NONE, /* optinfo_flags */
true, /* has_gate */
false, /* has_execute */
TV_NONE, /* tv_id */
0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
0, /* todo_flags_finish */
};
class pass_mudflap_1 : public gimple_opt_pass
{
public:
pass_mudflap_1(gcc::context *ctxt)
: gimple_opt_pass(pass_data_mudflap_1, ctxt)
{}
/* opt_pass methods: */
bool gate () { return gate_mudflap (); }
}; // class pass_mudflap_1
} // anon namespace
gimple_opt_pass *
make_pass_mudflap_1 (gcc::context *ctxt)
{
return new pass_mudflap_1 (ctxt);
}
namespace {
const pass_data pass_data_mudflap_2 =
{
GIMPLE_PASS, /* type */
"mudflap2", /* name */
OPTGROUP_NONE, /* optinfo_flags */
true, /* has_gate */
false, /* has_execute */
TV_NONE, /* tv_id */
0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
0, /* todo_flags_finish */
};
class pass_mudflap_2 : public gimple_opt_pass
{
public:
pass_mudflap_2(gcc::context *ctxt)
: gimple_opt_pass(pass_data_mudflap_2, ctxt)
{}
/* opt_pass methods: */
bool gate () { return gate_mudflap (); }
}; // class pass_mudflap_2
} // anon namespace
gimple_opt_pass *
make_pass_mudflap_2 (gcc::context *ctxt)
{
return new pass_mudflap_2 (ctxt);
}
/* 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
};
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