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   0                                      /* start_end_main_source_file */
  54 };
  55
  56 /* This file contains implementations of each debug hook that do
  57    nothing.  */
  58
  59 void
  60 debug_nothing_void (void)
  61 {
  62 }
  63
  64 void
  65 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
  66 {
  67 }
  68
  69 void
  70 debug_nothing_tree_tree_tree_bool (tree t1 ATTRIBUTE_UNUSED,
  71                                    tree t2 ATTRIBUTE_UNUSED,
  72                                    tree t3 ATTRIBUTE_UNUSED,
  73                                    bool b1 ATTRIBUTE_UNUSED)
  74 {
  75 }
  76
  77 bool
  78 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  79 {
  80   return true;
  81 }
  82
  83 void
  84 debug_nothing_rtx (rtx insn ATTRIBUTE_UNUSED)
  85 {
  86 }
  87
  88 void
  89 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
  90 {
  91 }
  92
  93 void
  94 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
  95                             const char *text ATTRIBUTE_UNUSED)
  96 {
  97 }
  98
  99 void
 100 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 101 {
 102 }
 103
 104 void
 105 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 106                        unsigned int n ATTRIBUTE_UNUSED)
 107 {
 108 }
 109
 110 void
 111 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 112                         int local ATTRIBUTE_UNUSED)
 113 {
 114 }