gdb/amd64-dicos-tdep.c

   1 /* Target-dependent code for DICOS running on x86-64's, for GDB.
   2
   3    Copyright (C) 2009-2020 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
  26 static void
  27 amd64_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
  35 static enum gdb_osabi
  36 amd64_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
  49 void _initialize_amd64_dicos_tdep ();
  50 void
  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 }