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comparison gcc/tree-nomudflap.c @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 77e2b8dfacca
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-1:000000000000 0:a06113de4d67
1 /* Mudflap: narrow-pointer bounds-checking by tree rewriting.
2 Copyright (C) 2001, 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
3 Contributed by Frank Ch. Eigler <fche@redhat.com>
4
5 This file is part of GCC.
6
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
10 version.
11
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
20
21
22 #include "config.h"
23 #include "system.h"
24 #include "coretypes.h"
25 #include "tm.h"
26 #include "tree.h"
27 #include "tree-inline.h"
28 #include "c-tree.h"
29 #include "c-common.h"
30 #include "gimple.h"
31 #include "diagnostic.h"
32 #include "hashtab.h"
33 #include "output.h"
34 #include "varray.h"
35 #include "langhooks.h"
36 #include "tree-mudflap.h"
37 #include "tree-pass.h"
38 #include "ggc.h"
39 #include "toplev.h"
40
41
42
43 /* This file contains placeholder functions, to be used only for
44 language processors that cannot handle tree-mudflap.c directly.
45 (e.g. Fortran). */
46
47 static void
48 nogo (void)
49 {
50 internal_error ("mudflap: this language is not supported");
51 }
52
53 void
54 mudflap_enqueue_decl (tree obj ATTRIBUTE_UNUSED)
55 {
56 nogo ();
57 }
58
59 void
60 mudflap_enqueue_constant (tree obj ATTRIBUTE_UNUSED)
61 {
62 nogo ();
63 }
64
65 void
66 mudflap_finish_file (void)
67 {
68 nogo ();
69 }
70
71 int
72 mf_marked_p (tree t ATTRIBUTE_UNUSED)
73 {
74 nogo ();
75 return 0;
76 }
77
78 tree
79 mf_mark (tree t ATTRIBUTE_UNUSED)
80 {
81 nogo ();
82 return NULL;
83 }
84
85 /* The pass structures must exist, but need not do anything. */
86
87 static bool
88 gate_mudflap (void)
89 {
90 return flag_mudflap != 0;
91 }
92
93 struct gimple_opt_pass pass_mudflap_1 =
94 {
95 {
96 GIMPLE_PASS,
97 "mudflap1", /* name */
98 gate_mudflap, /* gate */
99 NULL, /* execute */
100 NULL, /* sub */
101 NULL, /* next */
102 0, /* static_pass_number */
103 0, /* tv_id */
104 0, /* properties_required */
105 0, /* properties_provided */
106 0, /* properties_destroyed */
107 0, /* todo_flags_start */
108 0 /* todo_flags_finish */
109 }
110 };
111
112 struct gimple_opt_pass pass_mudflap_2 =
113 {
114 {
115 GIMPLE_PASS,
116 "mudflap2", /* name */
117 gate_mudflap, /* gate */
118 NULL, /* execute */
119 NULL, /* sub */
120 NULL, /* next */
121 0, /* static_pass_number */
122 0, /* tv_id */
123 0, /* properties_required */
124 0, /* properties_provided */
125 0, /* properties_destroyed */
126 0, /* todo_flags_start */
127 0 /* todo_flags_finish */
128 }
129 };
130
131 /* Instead of:
132 #include "gt-tree-mudflap.h"
133 We prepare a little dummy struct here.
134 */
135
136 const struct ggc_root_tab gt_ggc_r_gt_tree_mudflap_h[] = {
137 LAST_GGC_ROOT_TAB
138 };