re PR tree-optimization/43833 (false warning: array subscript is above array bounds...
[gcc.git] / gcc / debug.c
1 /* Do-nothing debug hooks for GCC.
2 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007, 2008
3 Free Software Foundation, Inc.
4
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 3, or (at your option) any
8 later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; see the file COPYING3. If not see
17 <http://www.gnu.org/licenses/>. */
18
19 #include "config.h"
20 #include "system.h"
21 #include "coretypes.h"
22 #include "tm.h"
23 #include "debug.h"
24
25 /* The do-nothing debug hooks. */
26 const struct gcc_debug_hooks do_nothing_debug_hooks =
27 {
28 debug_nothing_charstar,
29 debug_nothing_charstar,
30 debug_nothing_void,
31 debug_nothing_int_charstar,
32 debug_nothing_int_charstar,
33 debug_nothing_int_charstar,
34 debug_nothing_int,
35 debug_nothing_int_int, /* begin_block */
36 debug_nothing_int_int, /* end_block */
37 debug_true_const_tree, /* ignore_block */
38 debug_nothing_int_charstar_int_bool, /* source_line */
39 debug_nothing_int_charstar, /* begin_prologue */
40 debug_nothing_int_charstar, /* end_prologue */
41 debug_nothing_int_charstar, /* end_epilogue */
42 debug_nothing_tree, /* begin_function */
43 debug_nothing_int, /* end_function */
44 debug_nothing_tree, /* function_decl */
45 debug_nothing_tree, /* global_decl */
46 debug_nothing_tree_int, /* type_decl */
47 debug_nothing_tree_tree_tree_bool, /* imported_module_or_decl */
48 debug_nothing_tree, /* deferred_inline_function */
49 debug_nothing_tree, /* outlining_inline_function */
50 debug_nothing_rtx, /* label */
51 debug_nothing_int, /* handle_pch */
52 debug_nothing_rtx, /* var_location */
53 debug_nothing_void, /* switch_text_section */
54 debug_nothing_tree, /* direct_call */
55 debug_nothing_tree_int, /* virtual_call_token */
56 debug_nothing_rtx_rtx, /* copy_call_info */
57 debug_nothing_uid, /* virtual_call */
58 debug_nothing_tree_tree, /* set_name */
59 0 /* start_end_main_source_file */
60 };
61
62 /* This file contains implementations of each debug hook that do
63 nothing. */
64
65 void
66 debug_nothing_void (void)
67 {
68 }
69
70 void
71 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
72 {
73 }
74
75 void
76 debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
77 tree t2 ATTRIBUTE_UNUSED)
78 {
79 }
80
81 void
82 debug_nothing_tree_tree_tree_bool (tree t1 ATTRIBUTE_UNUSED,
83 tree t2 ATTRIBUTE_UNUSED,
84 tree t3 ATTRIBUTE_UNUSED,
85 bool b1 ATTRIBUTE_UNUSED)
86 {
87 }
88
89 bool
90 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
91 {
92 return true;
93 }
94
95 void
96 debug_nothing_rtx (rtx insn ATTRIBUTE_UNUSED)
97 {
98 }
99
100 void
101 debug_nothing_rtx_rtx (rtx insn ATTRIBUTE_UNUSED,
102 rtx new_insn ATTRIBUTE_UNUSED)
103 {
104 }
105
106 void
107 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
108 {
109 }
110
111 void
112 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
113 const char *text ATTRIBUTE_UNUSED)
114 {
115 }
116
117 void
118 debug_nothing_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
119 const char *text ATTRIBUTE_UNUSED,
120 int discriminator ATTRIBUTE_UNUSED,
121 bool is_stmt ATTRIBUTE_UNUSED)
122 {
123 }
124
125 void
126 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
127 {
128 }
129
130 void
131 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
132 unsigned int n ATTRIBUTE_UNUSED)
133 {
134 }
135
136 void
137 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
138 int local ATTRIBUTE_UNUSED)
139 {
140 }
141
142 void
143 debug_nothing_uid (int uid ATTRIBUTE_UNUSED)
144 {
145 }