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/tmp/gdb-8.1/gdb/amd64-dicos-tdep.c
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1 /* Target-dependent code for DICOS running on x86-64's, for GDB.
2
3 Copyright (C) 2009-2018 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 "amd64-tdep.h"
23 #include "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));
31
32 dicos_init_abi (gdbarch);
33 }
34
35 static enum gdb_osabi
36 amd64_dicos_osabi_sniffer (bfd *abfd)
37 {
38 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
50 _initialize_amd64_dicos_tdep (void)
51 {
52 gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_elf_flavour,
53 amd64_dicos_osabi_sniffer);
54
55 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
56 GDB_OSABI_DICOS,
57 amd64_dicos_init_abi);
58 }
gdbarch
Definition: gdbarch.c:127
X86_XSTATE_SSE_MASK
#define X86_XSTATE_SSE_MASK
Definition: x86-xstate.h:42
amd64_init_abi
void amd64_init_abi(struct gdbarch_info info, struct gdbarch *gdbarch, const target_desc *default_tdesc)
Definition: amd64-tdep.c:3037
amd64_dicos_init_abi
static void amd64_dicos_init_abi(struct gdbarch_info info, struct gdbarch *gdbarch)
Definition: amd64-dicos-tdep.c:27
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
x86-xstate.h
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
amd64-tdep.h
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
target_name
const char target_name[]
Definition: version.c:4
amd64_dicos_osabi_sniffer
static enum gdb_osabi amd64_dicos_osabi_sniffer(bfd *abfd)
Definition: amd64-dicos-tdep.c:36
gdbarch_info
Definition: gdbarch.h:1626
_initialize_amd64_dicos_tdep
void _initialize_amd64_dicos_tdep(void)
Definition: amd64-dicos-tdep.c:50
amd64_target_description
const struct target_desc * amd64_target_description(uint64_t xcr0)
Definition: amd64-tdep.c:3246
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