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4ee9c684 1/* Mudflap: narrow-pointer bounds-checking by tree rewriting.
92468061 2 Copyright (C) 2001, 2002, 2003, 2007, 2008, 2009, 2010
63fb44ba 3 Free Software Foundation, Inc.
4ee9c684 4 Contributed by Frank Ch. Eigler <fche@redhat.com>
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
8c4c00c1 10Software Foundation; either version 3, or (at your option) any later
4ee9c684 11version.
12
13GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License
8c4c00c1 19along with GCC; see the file COPYING3. If not see
20<http://www.gnu.org/licenses/>. */
4ee9c684 21
22
23#include "config.h"
4ee9c684 24#include "system.h"
25#include "coretypes.h"
26#include "tm.h"
27#include "tree.h"
28#include "tree-inline.h"
75a70cf9 29#include "gimple.h"
4ee9c684 30#include "hashtab.h"
31#include "output.h"
4ee9c684 32#include "langhooks.h"
33#include "tree-mudflap.h"
34#include "tree-pass.h"
35#include "ggc.h"
0b205f4c 36#include "diagnostic-core.h"
4ee9c684 37
38
39
40/* This file contains placeholder functions, to be used only for
41 language processors that cannot handle tree-mudflap.c directly.
42 (e.g. Fortran). */
43
44static void
45nogo (void)
46{
47 internal_error ("mudflap: this language is not supported");
48}
49
50void
51mudflap_enqueue_decl (tree obj ATTRIBUTE_UNUSED)
52{
53 nogo ();
54}
55
56void
57mudflap_enqueue_constant (tree obj ATTRIBUTE_UNUSED)
58{
59 nogo ();
60}
61
62void
63mudflap_finish_file (void)
64{
65 nogo ();
66}
67
68int
69mf_marked_p (tree t ATTRIBUTE_UNUSED)
70{
71 nogo ();
72 return 0;
73}
74
75tree
76mf_mark (tree t ATTRIBUTE_UNUSED)
77{
78 nogo ();
79 return NULL;
80}
81
82/* The pass structures must exist, but need not do anything. */
83
34d1dd5d 84static bool
85gate_mudflap (void)
86{
87 return flag_mudflap != 0;
88}
89
48e1416a 90struct gimple_opt_pass pass_mudflap_1 =
4ee9c684 91{
20099e35 92 {
93 GIMPLE_PASS,
4ee9c684 94 "mudflap1", /* name */
34d1dd5d 95 gate_mudflap, /* gate */
4ee9c684 96 NULL, /* execute */
97 NULL, /* sub */
98 NULL, /* next */
99 0, /* static_pass_number */
0b1615c1 100 TV_NONE, /* tv_id */
4ee9c684 101 0, /* properties_required */
102 0, /* properties_provided */
103 0, /* properties_destroyed */
104 0, /* todo_flags_start */
20099e35 105 0 /* todo_flags_finish */
106 }
4ee9c684 107};
108
48e1416a 109struct gimple_opt_pass pass_mudflap_2 =
4ee9c684 110{
20099e35 111 {
112 GIMPLE_PASS,
4ee9c684 113 "mudflap2", /* name */
34d1dd5d 114 gate_mudflap, /* gate */
4ee9c684 115 NULL, /* execute */
116 NULL, /* sub */
117 NULL, /* next */
118 0, /* static_pass_number */
0b1615c1 119 TV_NONE, /* tv_id */
4ee9c684 120 0, /* properties_required */
121 0, /* properties_provided */
122 0, /* properties_destroyed */
123 0, /* todo_flags_start */
20099e35 124 0 /* todo_flags_finish */
125 }
4ee9c684 126};
127
128/* Instead of:
129#include "gt-tree-mudflap.h"
130We prepare a little dummy struct here.
131*/
132
cd819d2f 133EXPORTED_CONST struct ggc_root_tab gt_ggc_r_gt_tree_mudflap_h[] = {
4ee9c684 134 LAST_GGC_ROOT_TAB
135};