gdb/i386-cygwin-tdep.c

   1 /* Target-dependent code for Cygwin running on i386's, for GDB.
   2    Copyright 2003 Free Software Foundation, Inc.
   3
   4 This file is part of GDB.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 #include "defs.h"
  21
  22 #include "gdb_string.h"
  23 #include "i386-tdep.h"
  24 #include "osabi.h"
  25
  26 static void
  27 i386_cygwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
  28 {
  29   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  30
  31   tdep->struct_return = reg_struct_return;
  32 }
  33
  34 static enum gdb_osabi
  35 i386_cygwin_osabi_sniffer (bfd * abfd)
  36 {
  37   char *target_name = bfd_get_target (abfd);
  38
  39   /* Interix also uses pei-i386.
  40      We need a way to distinguish between the two. */
  41   if (strcmp (target_name, "pei-i386") == 0)
  42     return GDB_OSABI_CYGWIN;
  43
  44   return GDB_OSABI_UNKNOWN;
  45 }
  46
  47 void
  48 _initialize_i386_cygwin_tdep (void)
  49 {
  50   gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_coff_flavour,
  51                                   i386_cygwin_osabi_sniffer);
  52
  53   gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_CYGWIN,
  54                           i386_cygwin_init_abi);
  55 }