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 "alias.h"
  23 #include "symtab.h"
  24 #include "tree.h"
  25 #include "debug.h"
  26
  27 /* The do-nothing debug hooks.  */
  28 const struct gcc_debug_hooks do_nothing_debug_hooks =
  29 {
  30   debug_nothing_charstar,
  31   debug_nothing_charstar,
  32   debug_nothing_void,                   /* early_finish */
  33   debug_nothing_void,
  34   debug_nothing_int_charstar,
  35   debug_nothing_int_charstar,
  36   debug_nothing_int_charstar,
  37   debug_nothing_int,
  38   debug_nothing_int_int,                 /* begin_block */
  39   debug_nothing_int_int,                 /* end_block */
  40   debug_true_const_tree,                 /* ignore_block */
  41   debug_nothing_int_charstar_int_bool,   /* source_line */
  42   debug_nothing_int_charstar,            /* begin_prologue */
  43   debug_nothing_int_charstar,            /* end_prologue */
  44   debug_nothing_int_charstar,            /* begin_epilogue */
  45   debug_nothing_int_charstar,            /* end_epilogue */
  46   debug_nothing_tree,                    /* begin_function */
  47   debug_nothing_int,                     /* end_function */
  48   debug_nothing_tree,                    /* register_main_translation_unit */
  49   debug_nothing_tree,                    /* function_decl */
  50   debug_nothing_tree,                    /* early_global_decl */
  51   debug_nothing_tree,                    /* late_global_decl */
  52   debug_nothing_tree_int,                /* type_decl */
  53   debug_nothing_tree_tree_tree_bool,     /* imported_module_or_decl */
  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_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 (tree t1 ATTRIBUTE_UNUSED,
  86                                    tree t2 ATTRIBUTE_UNUSED,
  87                                    tree t3 ATTRIBUTE_UNUSED,
  88                                    bool b1 ATTRIBUTE_UNUSED)
  89 {
  90 }
  91
  92 bool
  93 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
  94 {
  95   return true;
  96 }
  97
  98 void
  99 debug_nothing_rtx_insn (rtx_insn *insn ATTRIBUTE_UNUSED)
 100 {
 101 }
 102
 103 void
 104 debug_nothing_rtx_code_label (rtx_code_label *label ATTRIBUTE_UNUSED)
 105 {
 106 }
 107
 108 void
 109 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
 110 {
 111 }
 112
 113 void
 114 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
 115                             const char *text ATTRIBUTE_UNUSED)
 116 {
 117 }
 118
 119 void
 120 debug_nothing_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
 121                                      const char *text ATTRIBUTE_UNUSED,
 122                                      int discriminator ATTRIBUTE_UNUSED,
 123                                      bool is_stmt ATTRIBUTE_UNUSED)
 124 {
 125 }
 126
 127 void
 128 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
 129 {
 130 }
 131
 132 void
 133 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
 134                        unsigned int n ATTRIBUTE_UNUSED)
 135 {
 136 }
 137
 138 void
 139 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
 140                         int local ATTRIBUTE_UNUSED)
 141 {
 142 }