contrib/gcc-5.0/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 "hash-set.h"
  23 #include "machmode.h"
  24 #include "vec.h"
  25 #include "double-int.h"
  26 #include "input.h"
  27 #include "alias.h"
  28 #include "symtab.h"
  29 #include "wide-int.h"
  30 #include "inchash.h"
  31 #include "tree.h"
  32 #include "debug.h"
  33
  34 /* The do-nothing debug hooks.  */
  35 const struct gcc_debug_hooks do_nothing_debug_hooks =
  36 {
  37   debug_nothing_charstar,
  38   debug_nothing_charstar,
  39   debug_nothing_void,
  40   debug_nothing_int_charstar,
  41   debug_nothing_int_charstar,
  42   debug_nothing_int_charstar,
  43   debug_nothing_int,
  44   debug_nothing_int_int,                 /* begin_block */
  45   debug_nothing_int_int,                 /* end_block */
  46   debug_true_const_tree,                 /* ignore_block */
  47   debug_nothing_int_charstar_int_bool,   /* source_line */
  48   debug_nothing_int_charstar,            /* begin_prologue */
  49   debug_nothing_int_charstar,            /* end_prologue */
  50   debug_nothing_int_charstar,            /* begin_epilogue */
  51   debug_nothing_int_charstar,            /* end_epilogue */
  52   debug_nothing_tree,                    /* begin_function */
  53   debug_nothing_int,                     /* end_function */
  54   debug_nothing_tree,                    /* register_main_translation_unit */
  55   debug_nothing_tree,                    /* function_decl */
  56   debug_nothing_tree,                    /* global_decl */
  57   debug_nothing_tree_int,                /* type_decl */
  58   debug_nothing_tree_tree_tree_bool,     /* imported_module_or_decl */
  59   debug_nothing_tree,                    /* deferred_inline_function */
  60   debug_nothing_tree,                    /* outlining_inline_function */
  61   debug_nothing_rtx_code_label,          /* label */
  62   debug_nothing_int,                     /* handle_pch */
  63   debug_nothing_rtx_insn,                /* var_location */
  64   debug_nothing_void,                    /* switch_text_section */
  65   debug_nothing_tree_tree,               /* set_name */
  66   0,                                     /* start_end_main_source_file */
  67   TYPE_SYMTAB_IS_ADDRESS                 /* tree_type_symtab_field */
  68 };
  69
  70 /* This file contains implementations of each debug hook that do
  71    nothing.  */
  72
  73 void
  74 debug_nothing_void (void)
  75 {
  76 }
  77
  78 void
  79 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
  80 {
  81 }
  82
  83 void
  84 debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
  85                          tree t2 ATTRIBUTE_UNUSED)
  86 {
  87 }
  88
  89 void
  90 debug_nothing_tree_tree_tree_bool (tree t1 ATTRIBUTE_UNUSED,
  91                                    tree t2 ATTRIBUTE_UNUSED,
  92                                    tree t3 ATTRIBUTE_UNUSED,
  93                                    bool b1 ATTRIBUTE_UNUSED)
  94 {
  95 }
  96
  97 bool
  98 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  99 {
 100   return true;
 101 }
 102
 103 void
 104 debug_nothing_rtx_insn (rtx_insn *insn ATTRIBUTE_UNUSED)
 105 {
 106 }
 107
 108 void
 109 debug_nothing_rtx_code_label (rtx_code_label *label ATTRIBUTE_UNUSED)
 110 {
 111 }
 112
 113 void
 114 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
 115 {
 116 }
 117
 118 void
 119 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 120                             const char *text ATTRIBUTE_UNUSED)
 121 {
 122 }
 123
 124 void
 125 debug_nothing_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
 126                                      const char *text ATTRIBUTE_UNUSED,
 127                                      int discriminator ATTRIBUTE_UNUSED,
 128                                      bool is_stmt ATTRIBUTE_UNUSED)
 129 {
 130 }
 131
 132 void
 133 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 134 {
 135 }
 136
 137 void
 138 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 139                        unsigned int n ATTRIBUTE_UNUSED)
 140 {
 141 }
 142
 143 void
 144 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 145                         int local ATTRIBUTE_UNUSED)
 146 {
 147 }