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.  */
26const 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
65void
66debug_nothing_void (void)
67{
68}
69
70void
71debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
72{
73}
74
75void
76debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
77			 tree t2 ATTRIBUTE_UNUSED)
78{
79}
80
81void
82debug_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
89bool
90debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
91{
92  return true;
93}
94
95void
96debug_nothing_rtx (rtx insn ATTRIBUTE_UNUSED)
97{
98}
99
100void
101debug_nothing_rtx_rtx (rtx insn ATTRIBUTE_UNUSED,
102		       rtx new_insn ATTRIBUTE_UNUSED)
103{
104}
105
106void
107debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
108{
109}
110
111void
112debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
113			    const char *text ATTRIBUTE_UNUSED)
114{
115}
116
117void
118debug_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
125void
126debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
127{
128}
129
130void
131debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
132		       unsigned int n ATTRIBUTE_UNUSED)
133{
134}
135
136void
137debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
138			int local ATTRIBUTE_UNUSED)
139{
140}
141
142void
143debug_nothing_uid (int uid ATTRIBUTE_UNUSED)
144{
145}
146