gcc/debug.c

   1 /* Do-nothing debug hooks for GCC.
   2    Copyright (C) 2001-2021 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,        /* set_ignored_loc */
  40   debug_nothing_int_int_charstar,        /* begin_prologue */
  41   debug_nothing_int_charstar,            /* end_prologue */
  42   debug_nothing_int_charstar,            /* begin_epilogue */
  43   debug_nothing_int_charstar,            /* end_epilogue */
  44   debug_nothing_tree,                    /* begin_function */
  45   debug_nothing_int,                     /* end_function */
  46   debug_nothing_tree,                    /* register_main_translation_unit */
  47   debug_nothing_tree,                    /* function_decl */
  48   debug_nothing_tree,                    /* early_global_decl */
  49   debug_nothing_tree,                    /* late_global_decl */
  50   debug_nothing_tree_int,                /* type_decl */
  51   debug_nothing_tree_tree_tree_bool_bool,/* imported_module_or_decl */
  52   debug_false_tree_charstarstar_uhwistar,/* die_ref_for_decl */
  53   debug_nothing_tree_charstar_uhwi,      /* register_external_die */
  54   debug_nothing_tree,                    /* deferred_inline_function */
  55   debug_nothing_tree,                    /* outlining_inline_function */
  56   debug_nothing_rtx_code_label,          /* label */
  57   debug_nothing_int,                     /* handle_pch */
  58   debug_nothing_rtx_insn,                /* var_location */
  59   debug_nothing_tree,                    /* inline_entry */
  60   debug_nothing_tree,                    /* size_function */
  61   debug_nothing_void,                    /* switch_text_section */
  62   debug_nothing_tree_tree,               /* set_name */
  63   0,                                     /* start_end_main_source_file */
  64   TYPE_SYMTAB_IS_ADDRESS                 /* tree_type_symtab_field */
  65 };
  66
  67 /* This file contains implementations of each debug hook that do
  68    nothing.  */
  69
  70 void
  71 debug_nothing_void (void)
  72 {
  73 }
  74
  75 void
  76 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
  77 {
  78 }
  79
  80 void
  81 debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
  82                          tree t2 ATTRIBUTE_UNUSED)
  83 {
  84 }
  85
  86 void
  87 debug_nothing_tree_tree_tree_bool_bool (tree t1 ATTRIBUTE_UNUSED,
  88                                         tree t2 ATTRIBUTE_UNUSED,
  89                                         tree t3 ATTRIBUTE_UNUSED,
  90                                         bool b1 ATTRIBUTE_UNUSED,
  91                                         bool b2 ATTRIBUTE_UNUSED)
  92 {
  93 }
  94
  95 bool
  96 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  97 {
  98   return true;
  99 }
 100
 101 void
 102 debug_nothing_rtx_insn (rtx_insn *insn ATTRIBUTE_UNUSED)
 103 {
 104 }
 105
 106 void
 107 debug_nothing_rtx_code_label (rtx_code_label *label ATTRIBUTE_UNUSED)
 108 {
 109 }
 110
 111 void
 112 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
 113 {
 114 }
 115
 116 void
 117 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 118                             const char *text ATTRIBUTE_UNUSED)
 119 {
 120 }
 121
 122 void
 123 debug_nothing_int_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 124                                 unsigned int column ATTRIBUTE_UNUSED,
 125                                 const char *text ATTRIBUTE_UNUSED)
 126 {
 127 }
 128
 129 void
 130 debug_nothing_int_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
 131                                          unsigned int column ATTRIBUTE_UNUSED,
 132                                          const char *text ATTRIBUTE_UNUSED,
 133                                          int discriminator ATTRIBUTE_UNUSED,
 134                                          bool is_stmt ATTRIBUTE_UNUSED)
 135 {
 136 }
 137
 138 void
 139 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 140 {
 141 }
 142
 143 void
 144 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 145                        unsigned int n ATTRIBUTE_UNUSED)
 146 {
 147 }
 148
 149 void
 150 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 151                         int local ATTRIBUTE_UNUSED)
 152 {
 153 }
 154
 155 bool
 156 debug_false_tree_charstarstar_uhwistar (tree, const char **,
 157                                         unsigned HOST_WIDE_INT *)
 158 {
 159   return false;
 160 }
 161
 162 void
 163 debug_nothing_tree_charstar_uhwi (tree, const char *,
 164                                   unsigned HOST_WIDE_INT)
 165 {
 166 }