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      1 /* Do-nothing debug hooks for GCC.
      2    Copyright (C) 2001-2022 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,	 /* set_ignored_loc */
     40   debug_nothing_int_int_charstar,	 /* begin_prologue */
     41   debug_nothing_int_charstar,	         /* end_prologue */
     42   debug_nothing_int_charstar,	         /* begin_epilogue */
     43   debug_nothing_int_charstar,	         /* end_epilogue */
     44   debug_nothing_tree,		         /* begin_function */
     45   debug_nothing_int,		         /* end_function */
     46   debug_nothing_tree,		         /* register_main_translation_unit */
     47   debug_nothing_tree,		         /* function_decl */
     48   debug_nothing_tree,	         	 /* early_global_decl */
     49   debug_nothing_tree,	         	 /* late_global_decl */
     50   debug_nothing_tree_int,		 /* type_decl */
     51   debug_nothing_tree_tree_tree_bool_bool,/* imported_module_or_decl */
     52   debug_false_tree_charstarstar_uhwistar,/* die_ref_for_decl */
     53   debug_nothing_tree_charstar_uhwi,      /* register_external_die */
     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_tree,	         	 /* inline_entry */
     60   debug_nothing_tree,			 /* size_function */
     61   debug_nothing_void,                    /* switch_text_section */
     62   debug_nothing_tree_tree,		 /* set_name */
     63   0,                                     /* start_end_main_source_file */
     64   TYPE_SYMTAB_IS_ADDRESS                 /* tree_type_symtab_field */
     65 };
     66 
     67 /* This file contains implementations of each debug hook that do
     68    nothing.  */
     69 
     70 void
     71 debug_nothing_void (void)
     72 {
     73 }
     74 
     75 void
     76 debug_nothing_tree (tree decl ATTRIBUTE_UNUSED)
     77 {
     78 }
     79 
     80 void
     81 debug_nothing_tree_tree (tree t1 ATTRIBUTE_UNUSED,
     82 			 tree t2 ATTRIBUTE_UNUSED)
     83 {
     84 }
     85 
     86 void
     87 debug_nothing_tree_tree_tree_bool_bool (tree t1 ATTRIBUTE_UNUSED,
     88 					tree t2 ATTRIBUTE_UNUSED,
     89 					tree t3 ATTRIBUTE_UNUSED,
     90 					bool b1 ATTRIBUTE_UNUSED,
     91 					bool b2 ATTRIBUTE_UNUSED)
     92 {
     93 }
     94 
     95 bool
     96 debug_true_const_tree (const_tree block ATTRIBUTE_UNUSED)
     97 {
     98   return true;
     99 }
    100 
    101 void
    102 debug_nothing_rtx_insn (rtx_insn *insn ATTRIBUTE_UNUSED)
    103 {
    104 }
    105 
    106 void
    107 debug_nothing_rtx_code_label (rtx_code_label *label ATTRIBUTE_UNUSED)
    108 {
    109 }
    110 
    111 void
    112 debug_nothing_charstar (const char *main_filename ATTRIBUTE_UNUSED)
    113 {
    114 }
    115 
    116 void
    117 debug_nothing_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
    118 			    const char *text ATTRIBUTE_UNUSED)
    119 {
    120 }
    121 
    122 void
    123 debug_nothing_int_int_charstar (unsigned int line ATTRIBUTE_UNUSED,
    124 				unsigned int column ATTRIBUTE_UNUSED,
    125 				const char *text ATTRIBUTE_UNUSED)
    126 {
    127 }
    128 
    129 void
    130 debug_nothing_int_int_charstar_int_bool (unsigned int line ATTRIBUTE_UNUSED,
    131 					 unsigned int column ATTRIBUTE_UNUSED,
    132 					 const char *text ATTRIBUTE_UNUSED,
    133 					 int discriminator ATTRIBUTE_UNUSED,
    134 					 bool is_stmt ATTRIBUTE_UNUSED)
    135 {
    136 }
    137 
    138 void
    139 debug_nothing_int (unsigned int line ATTRIBUTE_UNUSED)
    140 {
    141 }
    142 
    143 void
    144 debug_nothing_int_int (unsigned int line ATTRIBUTE_UNUSED,
    145 		       unsigned int n ATTRIBUTE_UNUSED)
    146 {
    147 }
    148 
    149 void
    150 debug_nothing_tree_int (tree decl ATTRIBUTE_UNUSED,
    151 			int local ATTRIBUTE_UNUSED)
    152 {
    153 }
    154 
    155 bool
    156 debug_false_tree_charstarstar_uhwistar (tree, const char **,
    157 					unsigned HOST_WIDE_INT *)
    158 {
    159   return false;
    160 }
    161 
    162 void
    163 debug_nothing_tree_charstar_uhwi (tree, const char *,
    164 				  unsigned HOST_WIDE_INT)
    165 {
    166 }
    167