gcc/debug.c

   1 /* Do-nothing debug hooks for GCC.
   2    Copyright (C) 2001-2017 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,                    /* size_function */
  59   debug_nothing_void,                    /* switch_text_section */
  60   debug_nothing_tree_tree,               /* set_name */
  61   0,                                     /* start_end_main_source_file */
  62   TYPE_SYMTAB_IS_ADDRESS                 /* tree_type_symtab_field */
  63 };
  64
  65 /* This file contains implementations of each debug hook that do
  66    nothing.  */
  67
  68 void
  69 debug_nothing_void (void)
  70 {
  71 }
  72
  73 void
  74 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
  75 {
  76 }
  77
  78 void
  79 debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
  80                          tree t2 ATTRIBUTE_UNUSED)
  81 {
  82 }
  83
  84 void
  85 debug_nothing_tree_tree_tree_bool_bool (tree t1 ATTRIBUTE_UNUSED,
  86                                         tree t2 ATTRIBUTE_UNUSED,
  87                                         tree t3 ATTRIBUTE_UNUSED,
  88                                         bool b1 ATTRIBUTE_UNUSED,
  89                                         bool b2 ATTRIBUTE_UNUSED)
  90 {
  91 }
  92
  93 bool
  94 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  95 {
  96   return true;
  97 }
  98
  99 void
 100 debug_nothing_rtx_insn (rtx_insn *insn ATTRIBUTE_UNUSED)
 101 {
 102 }
 103
 104 void
 105 debug_nothing_rtx_code_label (rtx_code_label *label ATTRIBUTE_UNUSED)
 106 {
 107 }
 108
 109 void
 110 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
 111 {
 112 }
 113
 114 void
 115 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 116                             const char *text ATTRIBUTE_UNUSED)
 117 {
 118 }
 119
 120 void
 121 debug_nothing_int_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 122                                 unsigned int column ATTRIBUTE_UNUSED,
 123                                 const char *text ATTRIBUTE_UNUSED)
 124 {
 125 }
 126
 127 void
 128 debug_nothing_int_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
 129                                          unsigned int column ATTRIBUTE_UNUSED,
 130                                          const char *text ATTRIBUTE_UNUSED,
 131                                          int discriminator ATTRIBUTE_UNUSED,
 132                                          bool is_stmt ATTRIBUTE_UNUSED)
 133 {
 134 }
 135
 136 void
 137 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 138 {
 139 }
 140
 141 void
 142 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 143                        unsigned int n ATTRIBUTE_UNUSED)
 144 {
 145 }
 146
 147 void
 148 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 149                         int local ATTRIBUTE_UNUSED)
 150 {
 151 }
 152
 153 bool
 154 debug_false_tree_charstarstar_uhwistar (tree, const char **,
 155                                         unsigned HOST_WIDE_INT *)
 156 {
 157   return false;
 158 }
 159
 160 void
 161 debug_nothing_tree_charstar_uhwi (tree, const char *,
 162                                   unsigned HOST_WIDE_INT)
 163 {
 164 }