gcc/debug.c

   1 /* Do-nothing debug hooks for GCC.
   2    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2007 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 "debug.h"
  23
  24 /* The do-nothing debug hooks.  */
  25 const struct gcc_debug_hooks do_nothing_debug_hooks =
  26 {
  27   debug_nothing_charstar,
  28   debug_nothing_charstar,
  29   debug_nothing_int_charstar,
  30   debug_nothing_int_charstar,
  31   debug_nothing_int_charstar,
  32   debug_nothing_int,
  33   debug_nothing_int_int,                 /* begin_block */
  34   debug_nothing_int_int,                 /* end_block */
  35   debug_true_const_tree,                 /* ignore_block */
  36   debug_nothing_int_charstar,            /* source_line */
  37   debug_nothing_int_charstar,            /* begin_prologue */
  38   debug_nothing_int_charstar,            /* end_prologue */
  39   debug_nothing_int_charstar,            /* end_epilogue */
  40   debug_nothing_tree,                    /* begin_function */
  41   debug_nothing_int,                     /* end_function */
  42   debug_nothing_tree,                    /* function_decl */
  43   debug_nothing_tree,                    /* global_decl */
  44   debug_nothing_tree_int,                /* type_decl */
  45   debug_nothing_tree_tree_tree_bool,     /* imported_module_or_decl */
  46   debug_nothing_tree,                    /* deferred_inline_function */
  47   debug_nothing_tree,                    /* outlining_inline_function */
  48   debug_nothing_rtx,                     /* label */
  49   debug_nothing_int,                     /* handle_pch */
  50   debug_nothing_rtx,                     /* var_location */
  51   debug_nothing_void,                    /* switch_text_section */
  52   0                                      /* start_end_main_source_file */
  53 };
  54
  55 /* This file contains implementations of each debug hook that do
  56    nothing.  */
  57
  58 void
  59 debug_nothing_void (void)
  60 {
  61 }
  62
  63 void
  64 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
  65 {
  66 }
  67
  68 void
  69 debug_nothing_tree_tree_tree_bool (tree t1 ATTRIBUTE_UNUSED,
  70                                    tree t2 ATTRIBUTE_UNUSED,
  71                                    tree t3 ATTRIBUTE_UNUSED,
  72                                    bool b1 ATTRIBUTE_UNUSED)
  73 {
  74 }
  75
  76 bool
  77 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  78 {
  79   return true;
  80 }
  81
  82 void
  83 debug_nothing_rtx (rtx insn ATTRIBUTE_UNUSED)
  84 {
  85 }
  86
  87 void
  88 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
  89 {
  90 }
  91
  92 void
  93 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
  94                             const char *text ATTRIBUTE_UNUSED)
  95 {
  96 }
  97
  98 void
  99 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 100 {
 101 }
 102
 103 void
 104 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 105                        unsigned int n ATTRIBUTE_UNUSED)
 106 {
 107 }
 108
 109 void
 110 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 111                         int local ATTRIBUTE_UNUSED)
 112 {
 113 }