1 /* Mudflap: narrow-pointer bounds-checking by tree rewriting.
2 Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING. If not, write to the Free
19 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
20 02110-1301, USA. */
21
22
23 #include "config.h"
24 #include "system.h"
25 #include "coretypes.h"
26 #include "tm.h"
27 #include "tree.h"
28 #include "tree-inline.h"
29 #include "c-tree.h"
30 #include "c-common.h"
31 #include "tree-gimple.h"
32 #include "diagnostic.h"
33 #include "hashtab.h"
34 #include "output.h"
35 #include "varray.h"
36 #include "langhooks.h"
37 #include "tree-mudflap.h"
38 #include "tree-pass.h"
39 #include "ggc.h"
40 #include "toplev.h"
41
42
43
44 /* This file contains placeholder functions, to be used only for
45 language processors that cannot handle tree-mudflap.c directly.
46 (e.g. Fortran). */
47
48 static void
nogo(void)49 nogo (void)
50 {
51 internal_error ("mudflap: this language is not supported");
52 }
53
54 void
mudflap_enqueue_decl(tree obj ATTRIBUTE_UNUSED)55 mudflap_enqueue_decl (tree obj ATTRIBUTE_UNUSED)
56 {
57 nogo ();
58 }
59
60 void
mudflap_enqueue_constant(tree obj ATTRIBUTE_UNUSED)61 mudflap_enqueue_constant (tree obj ATTRIBUTE_UNUSED)
62 {
63 nogo ();
64 }
65
66 void
mudflap_finish_file(void)67 mudflap_finish_file (void)
68 {
69 nogo ();
70 }
71
72 int
mf_marked_p(tree t ATTRIBUTE_UNUSED)73 mf_marked_p (tree t ATTRIBUTE_UNUSED)
74 {
75 nogo ();
76 return 0;
77 }
78
79 tree
mf_mark(tree t ATTRIBUTE_UNUSED)80 mf_mark (tree t ATTRIBUTE_UNUSED)
81 {
82 nogo ();
83 return NULL;
84 }
85
86 /* The pass structures must exist, but need not do anything. */
87
88 struct tree_opt_pass pass_mudflap_1 =
89 {
90 "mudflap1", /* name */
91 NULL, /* gate */
92 NULL, /* execute */
93 NULL, /* sub */
94 NULL, /* next */
95 0, /* static_pass_number */
96 0, /* tv_id */
97 0, /* properties_required */
98 0, /* properties_provided */
99 0, /* properties_destroyed */
100 0, /* todo_flags_start */
101 0, /* todo_flags_finish */
102 0 /* letter */
103 };
104
105 struct tree_opt_pass pass_mudflap_2 =
106 {
107 "mudflap2", /* name */
108 NULL, /* gate */
109 NULL, /* execute */
110 NULL, /* sub */
111 NULL, /* next */
112 0, /* static_pass_number */
113 0, /* tv_id */
114 0, /* properties_required */
115 0, /* properties_provided */
116 0, /* properties_destroyed */
117 0, /* todo_flags_start */
118 0, /* todo_flags_finish */
119 0 /* letter */
120 };
121
122 /* Instead of:
123 #include "gt-tree-mudflap.h"
124 We prepare a little dummy struct here.
125 */
126
127 const struct ggc_root_tab gt_ggc_r_gt_tree_mudflap_h[] = {
128 LAST_GGC_ROOT_TAB
129 };
130