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 "tm.h"
  22 #include "tree.h"
  23 #include "alias.h"
  24 #include "debug.h"
  25
  26 /* The do-nothing debug hooks.  */
  27 const struct gcc_debug_hooks do_nothing_debug_hooks =
  28 {
  29   debug_nothing_charstar,
  30   debug_nothing_charstar,
  31   debug_nothing_void,                   /* early_finish */
  32   debug_nothing_void,
  33   debug_nothing_int_charstar,
  34   debug_nothing_int_charstar,
  35   debug_nothing_int_charstar,
  36   debug_nothing_int,
  37   debug_nothing_int_int,                 /* begin_block */
  38   debug_nothing_int_int,                 /* end_block */
  39   debug_true_const_tree,                 /* ignore_block */
  40   debug_nothing_int_charstar_int_bool,   /* source_line */
  41   debug_nothing_int_charstar,            /* begin_prologue */
  42   debug_nothing_int_charstar,            /* end_prologue */
  43   debug_nothing_int_charstar,            /* begin_epilogue */
  44   debug_nothing_int_charstar,            /* end_epilogue */
  45   debug_nothing_tree,                    /* begin_function */
  46   debug_nothing_int,                     /* end_function */
  47   debug_nothing_tree,                    /* register_main_translation_unit */
  48   debug_nothing_tree,                    /* function_decl */
  49   debug_nothing_tree,                    /* early_global_decl */
  50   debug_nothing_tree,                    /* late_global_decl */
  51   debug_nothing_tree_int,                /* type_decl */
  52   debug_nothing_tree_tree_tree_bool,     /* imported_module_or_decl */
  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_void,                    /* switch_text_section */
  59   debug_nothing_tree_tree,               /* set_name */
  60   0,                                     /* start_end_main_source_file */
  61   TYPE_SYMTAB_IS_ADDRESS                 /* tree_type_symtab_field */
  62 };
  63
  64 /* This file contains implementations of each debug hook that do
  65    nothing.  */
  66
  67 void
  68 debug_nothing_void (void)
  69 {
  70 }
  71
  72 void
  73 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
  74 {
  75 }
  76
  77 void
  78 debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
  79                          tree t2 ATTRIBUTE_UNUSED)
  80 {
  81 }
  82
  83 void
  84 debug_nothing_tree_tree_tree_bool (tree t1 ATTRIBUTE_UNUSED,
  85                                    tree t2 ATTRIBUTE_UNUSED,
  86                                    tree t3 ATTRIBUTE_UNUSED,
  87                                    bool b1 ATTRIBUTE_UNUSED)
  88 {
  89 }
  90
  91 bool
  92 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  93 {
  94   return true;
  95 }
  96
  97 void
  98 debug_nothing_rtx_insn (rtx_insn *insn ATTRIBUTE_UNUSED)
  99 {
 100 }
 101
 102 void
 103 debug_nothing_rtx_code_label (rtx_code_label *label ATTRIBUTE_UNUSED)
 104 {
 105 }
 106
 107 void
 108 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
 109 {
 110 }
 111
 112 void
 113 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 114                             const char *text ATTRIBUTE_UNUSED)
 115 {
 116 }
 117
 118 void
 119 debug_nothing_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
 120                                      const char *text ATTRIBUTE_UNUSED,
 121                                      int discriminator ATTRIBUTE_UNUSED,
 122                                      bool is_stmt ATTRIBUTE_UNUSED)
 123 {
 124 }
 125
 126 void
 127 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 128 {
 129 }
 130
 131 void
 132 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 133                        unsigned int n ATTRIBUTE_UNUSED)
 134 {
 135 }
 136
 137 void
 138 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 139                         int local ATTRIBUTE_UNUSED)
 140 {
 141 }