gcc/debug.c

   1 /* Do-nothing debug hooks for GCC.
   2    Copyright (C) 2001, 2002, 2003, 2004, 2005 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 2, 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; if not, write to the Free Software
  16 Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  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_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,               /* 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 t1 ATTRIBUTE_UNUSED,
  70                          tree t2 ATTRIBUTE_UNUSED)
  71 {
  72 }
  73
  74 bool
  75 debug_true_tree (tree block ATTRIBUTE_UNUSED)
  76 {
  77   return true;
  78 }
  79
  80 void
  81 debug_nothing_rtx (rtx insn ATTRIBUTE_UNUSED)
  82 {
  83 }
  84
  85 void
  86 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
  87 {
  88 }
  89
  90 void
  91 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
  92                             const char *text ATTRIBUTE_UNUSED)
  93 {
  94 }
  95
  96 void
  97 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
  98 {
  99 }
 100
 101 void
 102 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 103                        unsigned int n ATTRIBUTE_UNUSED)
 104 {
 105 }
 106
 107 void
 108 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 109                         int local ATTRIBUTE_UNUSED)
 110 {
 111 }