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_int_charstar,
  31   debug_nothing_int_charstar,
  32   debug_nothing_int_charstar,
  33   debug_nothing_int,
  34   debug_nothing_int_int,                 /* begin_block */
  35   debug_nothing_int_int,                 /* end_block */
  36   debug_true_const_tree,                 /* ignore_block */
  37   debug_nothing_int_charstar,            /* source_line */
  38   debug_nothing_int_charstar,            /* begin_prologue */
  39   debug_nothing_int_charstar,            /* end_prologue */
  40   debug_nothing_int_charstar,            /* end_epilogue */
  41   debug_nothing_tree,                    /* begin_function */
  42   debug_nothing_int,                     /* end_function */
  43   debug_nothing_tree,                    /* function_decl */
  44   debug_nothing_tree,                    /* global_decl */
  45   debug_nothing_tree_int,                /* type_decl */
  46   debug_nothing_tree_tree_tree_bool,     /* imported_module_or_decl */
  47   debug_nothing_tree,                    /* deferred_inline_function */
  48   debug_nothing_tree,                    /* outlining_inline_function */
  49   debug_nothing_rtx,                     /* label */
  50   debug_nothing_int,                     /* handle_pch */
  51   debug_nothing_rtx,                     /* var_location */
  52   debug_nothing_void,                    /* switch_text_section */
  53   debug_nothing_tree_tree,               /* set_name */
  54   0                                      /* start_end_main_source_file */
  55 };
  56
  57 /* This file contains implementations of each debug hook that do
  58    nothing.  */
  59
  60 void
  61 debug_nothing_void (void)
  62 {
  63 }
  64
  65 void
  66 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
  67 {
  68 }
  69
  70 void
  71 debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
  72                          tree t2 ATTRIBUTE_UNUSED)
  73 {
  74 }
  75
  76 void
  77 debug_nothing_tree_tree_tree_bool (tree t1 ATTRIBUTE_UNUSED,
  78                                    tree t2 ATTRIBUTE_UNUSED,
  79                                    tree t3 ATTRIBUTE_UNUSED,
  80                                    bool b1 ATTRIBUTE_UNUSED)
  81 {
  82 }
  83
  84 bool
  85 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  86 {
  87   return true;
  88 }
  89
  90 void
  91 debug_nothing_rtx (rtx insn ATTRIBUTE_UNUSED)
  92 {
  93 }
  94
  95 void
  96 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
  97 {
  98 }
  99
 100 void
 101 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 102                             const char *text ATTRIBUTE_UNUSED)
 103 {
 104 }
 105
 106 void
 107 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 108 {
 109 }
 110
 111 void
 112 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 113                        unsigned int n ATTRIBUTE_UNUSED)
 114 {
 115 }
 116
 117 void
 118 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 119                         int local ATTRIBUTE_UNUSED)
 120 {
 121 }