1/* Native-dependent code for NetBSD/amd64.
2
3   Copyright 2003, 2004 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 2 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, write to the Free Software
19   Foundation, Inc., 59 Temple Place - Suite 330,
20   Boston, MA 02111-1307, USA.  */
21
22#include "defs.h"
23#include "target.h"
24
25#include "gdb_assert.h"
26
27#include "amd64-tdep.h"
28#include "amd64-nat.h"
29
30/* Mapping between the general-purpose registers in NetBSD/amd64
31   `struct reg' format and GDB's register cache layout for
32   NetBSD/i386.
33
34   Note that most (if not all) NetBSD/amd64 registers are 64-bit,
35   while the NetBSD/i386 registers are all 32-bit, but since we're
36   little-endian we get away with that.  */
37
38/* From <machine/reg.h>.  */
39static int amd64nbsd32_r_reg_offset[] =
40{
41  14 * 8,			/* %eax */
42  3 * 8,			/* %ecx */
43  2 * 8,			/* %edx */
44  13 * 8,			/* %ebx */
45  24 * 8,			/* %esp */
46  12 * 8,			/* %ebp */
47  1 * 8,			/* %esi */
48  0 * 8,			/* %edi */
49  21 * 8,			/* %eip */
50  23 * 8,			/* %eflags */
51  22 * 8,			/* %cs */
52  25 * 8,			/* %ss */
53  18 * 8,			/* %ds */
54  17 * 8,			/* %es */
55  16 * 8,			/* %fs */
56  15 * 8			/* %gs */
57};
58
59
60/* Provide a prototype to silence -Wmissing-prototypes.  */
61void _initialize_amd64nbsd_nat (void);
62
63void
64_initialize_amd64nbsd_nat (void)
65{
66  amd64_native_gregset32_reg_offset = amd64nbsd32_r_reg_offset;
67  amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64nbsd32_r_reg_offset);
68  amd64_native_gregset64_reg_offset = amd64nbsd_r_reg_offset;
69
70  /* We've got nothing to add to the common *BSD/amd64 target.  */
71  add_target (amd64bsd_target ());
72}
73