gcc/debug.c

   1 /* Do-nothing debug hooks for GCC.
   2    Copyright (C) 2001-2016 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_tree,                    /* size_function */
  57   debug_nothing_void,                    /* switch_text_section */
  58   debug_nothing_tree_tree,               /* set_name */
  59   0,                                     /* start_end_main_source_file */
  60   TYPE_SYMTAB_IS_ADDRESS                 /* tree_type_symtab_field */
  61 };
  62
  63 /* This file contains implementations of each debug hook that do
  64    nothing.  */
  65
  66 void
  67 debug_nothing_void (void)
  68 {
  69 }
  70
  71 void
  72 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
  73 {
  74 }
  75
  76 void
  77 debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
  78                          tree t2 ATTRIBUTE_UNUSED)
  79 {
  80 }
  81
  82 void
  83 debug_nothing_tree_tree_tree_bool (tree t1 ATTRIBUTE_UNUSED,
  84                                    tree t2 ATTRIBUTE_UNUSED,
  85                                    tree t3 ATTRIBUTE_UNUSED,
  86                                    bool b1 ATTRIBUTE_UNUSED)
  87 {
  88 }
  89
  90 bool
  91 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  92 {
  93   return true;
  94 }
  95
  96 void
  97 debug_nothing_rtx_insn (rtx_insn *insn ATTRIBUTE_UNUSED)
  98 {
  99 }
 100
 101 void
 102 debug_nothing_rtx_code_label (rtx_code_label *label ATTRIBUTE_UNUSED)
 103 {
 104 }
 105
 106 void
 107 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
 108 {
 109 }
 110
 111 void
 112 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 113                             const char *text ATTRIBUTE_UNUSED)
 114 {
 115 }
 116
 117 void
 118 debug_nothing_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
 119                                      const char *text ATTRIBUTE_UNUSED,
 120                                      int discriminator ATTRIBUTE_UNUSED,
 121                                      bool is_stmt ATTRIBUTE_UNUSED)
 122 {
 123 }
 124
 125 void
 126 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 127 {
 128 }
 129
 130 void
 131 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 132                        unsigned int n ATTRIBUTE_UNUSED)
 133 {
 134 }
 135
 136 void
 137 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 138                         int local ATTRIBUTE_UNUSED)
 139 {
 140 }