aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.8/gcc/tree-nomudflap.c
blob: 657c82dad532438ddae9c92a438213579922122f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
/* 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;
}

struct gimple_opt_pass pass_mudflap_1 =
{
 {
  GIMPLE_PASS,
  "mudflap1",				/* name */
  OPTGROUP_NONE,                        /* optinfo_flags */
  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 */
  0                                     /* todo_flags_finish */
 }
};

struct gimple_opt_pass pass_mudflap_2 =
{
 {
  GIMPLE_PASS,
  "mudflap2",				/* name */
  OPTGROUP_NONE,                        /* optinfo_flags */
  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 */
  0                                     /* todo_flags_finish */
 }
};

/* 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
};