gdb/i386-dicos-tdep.c

   1 /* Target-dependent code for DICOS running on i386's, for GDB.
   2
   3    Copyright (C) 2008-2015 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 3 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, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "defs.h"
  21 #include "osabi.h"
  22 #include "dicos-tdep.h"
  23
  24 static void
  25 i386_dicos_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
  26 {
  27   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  28
  29   dicos_init_abi (gdbarch);
  30 }
  31
  32 static enum gdb_osabi
  33 i386_dicos_osabi_sniffer (bfd *abfd)
  34 {
  35   char *target_name = bfd_get_target (abfd);
  36
  37   /* On x86-DICOS, the Load Module's "header" section is 36 bytes.  */
  38   if (strcmp (target_name, "elf32-i386") == 0
  39       && dicos_load_module_p (abfd, 36))
  40     return GDB_OSABI_DICOS;
  41
  42   return GDB_OSABI_UNKNOWN;
  43 }
  44
  45 /* Provide a prototype to silence -Wmissing-prototypes.  */
  46 void _initialize_i386_dicos_tdep (void);
  47
  48 void
  49 _initialize_i386_dicos_tdep (void)
  50 {
  51   gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,
  52                                   i386_dicos_osabi_sniffer);
  53
  54   gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_DICOS,
  55                           i386_dicos_init_abi);
  56 }