1/* Target-dependent code for DICOS running on x86-64's, for GDB.
2
3   Copyright (C) 2009-2023 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 "amd64-tdep.h"
23#include "gdbsupport/x86-xstate.h"
24#include "dicos-tdep.h"
25
26static void
27amd64_dicos_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
28{
29  amd64_init_abi (info, gdbarch,
30		  amd64_target_description (X86_XSTATE_SSE_MASK, true));
31
32  dicos_init_abi (gdbarch);
33}
34
35static enum gdb_osabi
36amd64_dicos_osabi_sniffer (bfd *abfd)
37{
38  const char *target_name = bfd_get_target (abfd);
39
40  /* On amd64-DICOS, the Load Module's "header" section is 72
41     bytes.  */
42  if (strcmp (target_name, "elf64-x86-64") == 0
43      && dicos_load_module_p (abfd, 72))
44    return GDB_OSABI_DICOS;
45
46  return GDB_OSABI_UNKNOWN;
47}
48
49void _initialize_amd64_dicos_tdep ();
50void
51_initialize_amd64_dicos_tdep ()
52{
53  gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,
54				  amd64_dicos_osabi_sniffer);
55
56  gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
57			  GDB_OSABI_DICOS,
58			  amd64_dicos_init_abi);
59}
60