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/tmp/gdb-8.1/gdb/i386-dicos-tdep.c
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1 /* Target-dependent code for DICOS running on i386's, for GDB.
2
3 Copyright (C) 2008-2018 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 "dicos-tdep.h"
23
24 static void
25 i386_dicos_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
26 {
27 dicos_init_abi (gdbarch);
28 }
29
30 static enum gdb_osabi
31 i386_dicos_osabi_sniffer (bfd *abfd)
32 {
33 char *target_name = bfd_get_target (abfd);
34
35 /* On x86-DICOS, the Load Module's "header" section is 36 bytes. */
36 if (strcmp (target_name, "elf32-i386") == 0
37 && dicos_load_module_p (abfd, 36))
38 return GDB_OSABI_DICOS;
39
40 return GDB_OSABI_UNKNOWN;
41 }
42
43 void
44 _initialize_i386_dicos_tdep (void)
45 {
46 gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,
47 i386_dicos_osabi_sniffer);
48
49 gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_DICOS,
50 i386_dicos_init_abi);
51 }
gdbarch
Definition: gdbarch.c:127
gdbarch_register_osabi_sniffer
void gdbarch_register_osabi_sniffer(enum bfd_architecture arch, enum bfd_flavour flavour, enum gdb_osabi(*sniffer_fn)(bfd *))
Definition: osabi.c:219
defs.h
GDB_OSABI_DICOS
Definition: defs.h:526
GDB_OSABI_UNKNOWN
Definition: defs.h:512
dicos_init_abi
void dicos_init_abi(struct gdbarch *gdbarch)
Definition: dicos-tdep.c:28
osabi.h
_initialize_i386_dicos_tdep
void _initialize_i386_dicos_tdep(void)
Definition: i386-dicos-tdep.c:44
gdbarch_register_osabi
void gdbarch_register_osabi(enum bfd_architecture arch, unsigned long machine, enum gdb_osabi osabi, void(*init_osabi)(struct gdbarch_info, struct gdbarch *))
Definition: osabi.c:143
dicos-tdep.h
i386_dicos_init_abi
static void i386_dicos_init_abi(struct gdbarch_info info, struct gdbarch *gdbarch)
Definition: i386-dicos-tdep.c:25
i386_dicos_osabi_sniffer
static enum gdb_osabi i386_dicos_osabi_sniffer(bfd *abfd)
Definition: i386-dicos-tdep.c:31
target_name
const char target_name[]
Definition: version.c:4
gdbarch_info
Definition: gdbarch.h:1626
dicos_load_module_p
int dicos_load_module_p(bfd *abfd, int header_size)
Definition: dicos-tdep.c:54
gdb_osabi
gdb_osabi
Definition: defs.h:508