gcc/debug.c

   1 /* Do-nothing debug hooks for GCC.
   2    Copyright (C) 2001-2015 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 "tree.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_void,                   /* early_finish */
  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,            /* begin_epilogue */
  42   debug_nothing_int_charstar,            /* end_epilogue */
  43   debug_nothing_tree,                    /* begin_function */
  44   debug_nothing_int,                     /* end_function */
  45   debug_nothing_tree,                    /* register_main_translation_unit */
  46   debug_nothing_tree,                    /* function_decl */
  47   debug_nothing_tree,                    /* early_global_decl */
  48   debug_nothing_tree,                    /* late_global_decl */
  49   debug_nothing_tree_int,                /* type_decl */
  50   debug_nothing_tree_tree_tree_bool,     /* imported_module_or_decl */
  51   debug_nothing_tree,                    /* deferred_inline_function */
  52   debug_nothing_tree,                    /* outlining_inline_function */
  53   debug_nothing_rtx_code_label,          /* label */
  54   debug_nothing_int,                     /* handle_pch */
  55   debug_nothing_rtx_insn,                /* var_location */
  56   debug_nothing_void,                    /* switch_text_section */
  57   debug_nothing_tree_tree,               /* set_name */
  58   0,                                     /* start_end_main_source_file */
  59   TYPE_SYMTAB_IS_ADDRESS                 /* tree_type_symtab_field */
  60 };
  61
  62 /* This file contains implementations of each debug hook that do
  63    nothing.  */
  64
  65 void
  66 debug_nothing_void (void)
  67 {
  68 }
  69
  70 void
  71 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
  72 {
  73 }
  74
  75 void
  76 debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
  77                          tree t2 ATTRIBUTE_UNUSED)
  78 {
  79 }
  80
  81 void
  82 debug_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
  89 bool
  90 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  91 {
  92   return true;
  93 }
  94
  95 void
  96 debug_nothing_rtx_insn (rtx_insn *insn ATTRIBUTE_UNUSED)
  97 {
  98 }
  99
 100 void
 101 debug_nothing_rtx_code_label (rtx_code_label *label ATTRIBUTE_UNUSED)
 102 {
 103 }
 104
 105 void
 106 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
 107 {
 108 }
 109
 110 void
 111 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 112                             const char *text ATTRIBUTE_UNUSED)
 113 {
 114 }
 115
 116 void
 117 debug_nothing_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
 118                                      const char *text ATTRIBUTE_UNUSED,
 119                                      int discriminator ATTRIBUTE_UNUSED,
 120                                      bool is_stmt ATTRIBUTE_UNUSED)
 121 {
 122 }
 123
 124 void
 125 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 126 {
 127 }
 128
 129 void
 130 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 131                        unsigned int n ATTRIBUTE_UNUSED)
 132 {
 133 }
 134
 135 void
 136 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 137                         int local ATTRIBUTE_UNUSED)
 138 {
 139 }