gdb/solib-null.c

   1 /* Definitions for targets without shared libraries for GDB, the GNU Debugger.
   2
   3    Copyright (C) 2004, 2007 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20    Boston, MA 02110-1301, USA.  */
  21
  22 #include "defs.h"
  23 #include "solist.h"
  24
  25 static struct so_list *
  26 null_current_sos (void)
  27 {
  28   return NULL;
  29 }
  30
  31 static void
  32 null_special_symbol_handling (void)
  33 {
  34 }
  35
  36 static void
  37 null_solib_create_inferior_hook (void)
  38 {
  39 }
  40
  41 static void
  42 null_clear_solib (void)
  43 {
  44 }
  45
  46 static void
  47 null_free_so (struct so_list *so)
  48 {
  49   xfree (so->lm_info);
  50 }
  51
  52
  53 static void
  54 null_relocate_section_addresses (struct so_list *so,
  55                                  struct section_table *sec)
  56 {
  57 }
  58
  59 static int
  60 null_open_symbol_file_object (void *from_ttyp)
  61 {
  62   return 0;
  63 }
  64
  65 static int
  66 null_in_dynsym_resolve_code (CORE_ADDR pc)
  67 {
  68   return 0;
  69 }
  70
  71 static struct target_so_ops null_so_ops;
  72
  73 extern initialize_file_ftype _initialize_null_solib; /* -Wmissing-prototypes */
  74
  75 void
  76 _initialize_null_solib (void)
  77 {
  78   null_so_ops.relocate_section_addresses = null_relocate_section_addresses;
  79   null_so_ops.free_so = null_free_so;
  80   null_so_ops.clear_solib = null_clear_solib;
  81   null_so_ops.solib_create_inferior_hook = null_solib_create_inferior_hook;
  82   null_so_ops.special_symbol_handling = null_special_symbol_handling;
  83   null_so_ops.current_sos = null_current_sos;
  84   null_so_ops.open_symbol_file_object = null_open_symbol_file_object;
  85   null_so_ops.in_dynsym_resolve_code = null_in_dynsym_resolve_code;
  86
  87   /* Set current_target_so_ops to null_so_ops if not already set.  */
  88   if (current_target_so_ops == 0)
  89     current_target_so_ops = &null_so_ops;
  90 }