gcc/debug.c

   1 /* Do-nothing debug hooks for GCC.
   2    Copyright (C) 2001-2020 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_charstar,                       /* 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_int_charstar_int_bool, /* source_line */
  39   debug_nothing_int_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_bool,/* imported_module_or_decl */
  51   debug_false_tree_charstarstar_uhwistar,/* die_ref_for_decl */
  52   debug_nothing_tree_charstar_uhwi,      /* register_external_die */
  53   debug_nothing_tree,                    /* deferred_inline_function */
  54   debug_nothing_tree,                    /* outlining_inline_function */
  55   debug_nothing_rtx_code_label,          /* label */
  56   debug_nothing_int,                     /* handle_pch */
  57   debug_nothing_rtx_insn,                /* var_location */
  58   debug_nothing_tree,                    /* inline_entry */
  59   debug_nothing_tree,                    /* size_function */
  60   debug_nothing_void,                    /* switch_text_section */
  61   debug_nothing_tree_tree,               /* set_name */
  62   0,                                     /* start_end_main_source_file */
  63   TYPE_SYMTAB_IS_ADDRESS                 /* tree_type_symtab_field */
  64 };
  65
  66 /* This file contains implementations of each debug hook that do
  67    nothing.  */
  68
  69 void
  70 debug_nothing_void (void)
  71 {
  72 }
  73
  74 void
  75 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
  76 {
  77 }
  78
  79 void
  80 debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
  81                          tree t2 ATTRIBUTE_UNUSED)
  82 {
  83 }
  84
  85 void
  86 debug_nothing_tree_tree_tree_bool_bool (tree t1 ATTRIBUTE_UNUSED,
  87                                         tree t2 ATTRIBUTE_UNUSED,
  88                                         tree t3 ATTRIBUTE_UNUSED,
  89                                         bool b1 ATTRIBUTE_UNUSED,
  90                                         bool b2 ATTRIBUTE_UNUSED)
  91 {
  92 }
  93
  94 bool
  95 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  96 {
  97   return true;
  98 }
  99
 100 void
 101 debug_nothing_rtx_insn (rtx_insn *insn ATTRIBUTE_UNUSED)
 102 {
 103 }
 104
 105 void
 106 debug_nothing_rtx_code_label (rtx_code_label *label ATTRIBUTE_UNUSED)
 107 {
 108 }
 109
 110 void
 111 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
 112 {
 113 }
 114
 115 void
 116 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 117                             const char *text ATTRIBUTE_UNUSED)
 118 {
 119 }
 120
 121 void
 122 debug_nothing_int_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 123                                 unsigned int column ATTRIBUTE_UNUSED,
 124                                 const char *text ATTRIBUTE_UNUSED)
 125 {
 126 }
 127
 128 void
 129 debug_nothing_int_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
 130                                          unsigned int column ATTRIBUTE_UNUSED,
 131                                          const char *text ATTRIBUTE_UNUSED,
 132                                          int discriminator ATTRIBUTE_UNUSED,
 133                                          bool is_stmt ATTRIBUTE_UNUSED)
 134 {
 135 }
 136
 137 void
 138 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 139 {
 140 }
 141
 142 void
 143 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 144                        unsigned int n ATTRIBUTE_UNUSED)
 145 {
 146 }
 147
 148 void
 149 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 150                         int local ATTRIBUTE_UNUSED)
 151 {
 152 }
 153
 154 bool
 155 debug_false_tree_charstarstar_uhwistar (tree, const char **,
 156                                         unsigned HOST_WIDE_INT *)
 157 {
 158   return false;
 159 }
 160
 161 void
 162 debug_nothing_tree_charstar_uhwi (tree, const char *,
 163                                   unsigned HOST_WIDE_INT)
 164 {
 165 }