1/* Do-nothing debug hooks for GCC.
2   Copyright (C) 2001-2015 Free Software Foundation, Inc.
3
4   This program is free software; you can redistribute it and/or modify it
5   under the terms of the GNU General Public License as published by the
6   Free Software Foundation; either version 3, or (at your option) any
7   later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program; see the file COPYING3.  If not see
16   <http://www.gnu.org/licenses/>.  */
17
18#include "config.h"
19#include "system.h"
20#include "coretypes.h"
21#include "tm.h"
22#include "hash-set.h"
23#include "machmode.h"
24#include "vec.h"
25#include "double-int.h"
26#include "input.h"
27#include "alias.h"
28#include "symtab.h"
29#include "wide-int.h"
30#include "inchash.h"
31#include "tree.h"
32#include "debug.h"
33
34/* The do-nothing debug hooks.  */
35const struct gcc_debug_hooks do_nothing_debug_hooks =
36{
37  debug_nothing_charstar,
38  debug_nothing_charstar,
39  debug_nothing_void,
40  debug_nothing_int_charstar,
41  debug_nothing_int_charstar,
42  debug_nothing_int_charstar,
43  debug_nothing_int,
44  debug_nothing_int_int,	         /* begin_block */
45  debug_nothing_int_int,	         /* end_block */
46  debug_true_const_tree,	         /* ignore_block */
47  debug_nothing_int_charstar_int_bool,	 /* source_line */
48  debug_nothing_int_charstar,	         /* begin_prologue */
49  debug_nothing_int_charstar,	         /* end_prologue */
50  debug_nothing_int_charstar,	         /* begin_epilogue */
51  debug_nothing_int_charstar,	         /* end_epilogue */
52  debug_nothing_tree,		         /* begin_function */
53  debug_nothing_int,		         /* end_function */
54  debug_nothing_tree,		         /* register_main_translation_unit */
55  debug_nothing_tree,		         /* function_decl */
56  debug_nothing_tree,		         /* global_decl */
57  debug_nothing_tree_int,		 /* type_decl */
58  debug_nothing_tree_tree_tree_bool,	 /* imported_module_or_decl */
59  debug_nothing_tree,		         /* deferred_inline_function */
60  debug_nothing_tree,		         /* outlining_inline_function */
61  debug_nothing_rtx_code_label,	         /* label */
62  debug_nothing_int,		         /* handle_pch */
63  debug_nothing_rtx_insn,	         /* var_location */
64  debug_nothing_void,                    /* switch_text_section */
65  debug_nothing_tree_tree,		 /* set_name */
66  0,                                     /* start_end_main_source_file */
67  TYPE_SYMTAB_IS_ADDRESS                 /* tree_type_symtab_field */
68};
69
70/* This file contains implementations of each debug hook that do
71   nothing.  */
72
73void
74debug_nothing_void (void)
75{
76}
77
78void
79debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
80{
81}
82
83void
84debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
85			 tree t2 ATTRIBUTE_UNUSED)
86{
87}
88
89void
90debug_nothing_tree_tree_tree_bool (tree t1 ATTRIBUTE_UNUSED,
91				   tree t2 ATTRIBUTE_UNUSED,
92				   tree t3 ATTRIBUTE_UNUSED,
93				   bool b1 ATTRIBUTE_UNUSED)
94{
95}
96
97bool
98debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
99{
100  return true;
101}
102
103void
104debug_nothing_rtx_insn (rtx_insn *insn ATTRIBUTE_UNUSED)
105{
106}
107
108void
109debug_nothing_rtx_code_label (rtx_code_label *label ATTRIBUTE_UNUSED)
110{
111}
112
113void
114debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
115{
116}
117
118void
119debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
120			    const char *text ATTRIBUTE_UNUSED)
121{
122}
123
124void
125debug_nothing_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
126			             const char *text ATTRIBUTE_UNUSED,
127			             int discriminator ATTRIBUTE_UNUSED,
128			             bool is_stmt ATTRIBUTE_UNUSED)
129{
130}
131
132void
133debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
134{
135}
136
137void
138debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
139		       unsigned int n ATTRIBUTE_UNUSED)
140{
141}
142
143void
144debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
145			int local ATTRIBUTE_UNUSED)
146{
147}
148