gdb/solib-null.c

   1 /* Definitions for targets without shared libraries for GDB, the GNU Debugger.
   2
   3    Copyright (C) 2004
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21    Boston, MA 02110-1301, USA.  */
  22
  23 #include "defs.h"
  24 #include "solist.h"
  25
  26 static struct so_list *
  27 null_current_sos (void)
  28 {
  29   return NULL;
  30 }
  31
  32 static void
  33 null_special_symbol_handling (void)
  34 {
  35 }
  36
  37 static void
  38 null_solib_create_inferior_hook (void)
  39 {
  40 }
  41
  42 static void
  43 null_clear_solib (void)
  44 {
  45 }
  46
  47 static void
  48 null_free_so (struct so_list *so)
  49 {
  50   xfree (so->lm_info);
  51 }
  52
  53
  54 static void
  55 null_relocate_section_addresses (struct so_list *so,
  56                                  struct section_table *sec)
  57 {
  58 }
  59
  60 static int
  61 null_open_symbol_file_object (void *from_ttyp)
  62 {
  63   return 0;
  64 }
  65
  66 static int
  67 null_in_dynsym_resolve_code (CORE_ADDR pc)
  68 {
  69   return 0;
  70 }
  71
  72 static struct target_so_ops null_so_ops;
  73
  74 extern initialize_file_ftype _initialize_null_solib; /* -Wmissing-prototypes */
  75
  76 void
  77 _initialize_null_solib (void)
  78 {
  79   null_so_ops.relocate_section_addresses = null_relocate_section_addresses;
  80   null_so_ops.free_so = null_free_so;
  81   null_so_ops.clear_solib = null_clear_solib;
  82   null_so_ops.solib_create_inferior_hook = null_solib_create_inferior_hook;
  83   null_so_ops.special_symbol_handling = null_special_symbol_handling;
  84   null_so_ops.current_sos = null_current_sos;
  85   null_so_ops.open_symbol_file_object = null_open_symbol_file_object;
  86   null_so_ops.in_dynsym_resolve_code = null_in_dynsym_resolve_code;
  87
  88   /* Set current_target_so_ops to null_so_ops if not already set.  */
  89   if (current_target_so_ops == 0)
  90     current_target_so_ops = &null_so_ops;
  91 }