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[thirdparty/binutils-gdb.git] / gdb / amd64-dicos-tdep.c

/* Target-dependent code for DICOS running on x86-64's, for GDB.

   Copyright (C) 2009-2016 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include "defs.h"
#include "osabi.h"
#include "amd64-tdep.h"
#include "dicos-tdep.h"

static void
amd64_dicos_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  amd64_init_abi (info, gdbarch);

  dicos_init_abi (gdbarch);
}

static enum gdb_osabi
amd64_dicos_osabi_sniffer (bfd *abfd)
{
  char *target_name = bfd_get_target (abfd);

  /* On amd64-DICOS, the Load Module's "header" section is 72
     bytes.  */
  if (strcmp (target_name, "elf64-x86-64") == 0
      && dicos_load_module_p (abfd, 72))
    return GDB_OSABI_DICOS;

  return GDB_OSABI_UNKNOWN;
}

/* Provide a prototype to silence -Wmissing-prototypes.  */
void _initialize_amd64_dicos_tdep (void);

void
_initialize_amd64_dicos_tdep (void)
{
  gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,
				  amd64_dicos_osabi_sniffer);

  gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
			  GDB_OSABI_DICOS,
			  amd64_dicos_init_abi);
}