1 /* Target-dependent code for DICOS running on i386's, for GDB.
3 Copyright (C) 2008, 2009 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
22 #include "gdb_string.h"
23 #include "dicos-tdep.h"
26 i386_dicos_push_dummy_code (struct gdbarch *gdbarch,
27 CORE_ADDR sp, CORE_ADDR funaddr,
28 struct value **args, int nargs,
29 struct type *value_type,
30 CORE_ADDR *real_pc, CORE_ADDR *bp_addr,
31 struct regcache *regcache)
36 gdbarch_breakpoint_from_pc (gdbarch, &bppc, &bplen);
37 *bp_addr = sp - bplen;
44 i386_dicos_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
46 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
48 dicos_init_abi (gdbarch);
50 set_gdbarch_push_dummy_code (gdbarch, i386_dicos_push_dummy_code);
54 i386_dicos_osabi_sniffer (bfd *abfd)
56 char *target_name = bfd_get_target (abfd);
58 /* On x86-DICOS, the Load Module's "header" section is 36 bytes. */
59 if (strcmp (target_name, "elf32-i386") == 0
60 && dicos_load_module_p (abfd, 36))
61 return GDB_OSABI_DICOS;
63 return GDB_OSABI_UNKNOWN;
66 /* Provide a prototype to silence -Wmissing-prototypes. */
67 void _initialize_i386_dicos_tdep (void);
70 _initialize_i386_dicos_tdep (void)
72 gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,
73 i386_dicos_osabi_sniffer);
75 gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_DICOS,