1/* Native-dependent code for NetBSD/amd64.
2
3   Copyright (C) 2003, 2004, 2007 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 "target.h"
22
23#include "gdb_assert.h"
24
25#include "amd64-tdep.h"
26#include "amd64-nat.h"
27
28/* Mapping between the general-purpose registers in NetBSD/amd64
29   `struct reg' format and GDB's register cache layout for
30   NetBSD/i386.
31
32   Note that most (if not all) NetBSD/amd64 registers are 64-bit,
33   while the NetBSD/i386 registers are all 32-bit, but since we're
34   little-endian we get away with that.  */
35
36/* From <machine/reg.h>.  */
37static int amd64nbsd32_r_reg_offset[] =
38{
39  14 * 8,			/* %eax */
40  3 * 8,			/* %ecx */
41  2 * 8,			/* %edx */
42  13 * 8,			/* %ebx */
43  24 * 8,			/* %esp */
44  12 * 8,			/* %ebp */
45  1 * 8,			/* %esi */
46  0 * 8,			/* %edi */
47  21 * 8,			/* %eip */
48  23 * 8,			/* %eflags */
49  22 * 8,			/* %cs */
50  25 * 8,			/* %ss */
51  18 * 8,			/* %ds */
52  17 * 8,			/* %es */
53  16 * 8,			/* %fs */
54  15 * 8			/* %gs */
55};
56
57
58/* Provide a prototype to silence -Wmissing-prototypes.  */
59void _initialize_amd64nbsd_nat (void);
60
61void
62_initialize_amd64nbsd_nat (void)
63{
64  amd64_native_gregset32_reg_offset = amd64nbsd32_r_reg_offset;
65  amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64nbsd32_r_reg_offset);
66  amd64_native_gregset64_reg_offset = amd64nbsd_r_reg_offset;
67
68  /* We've got nothing to add to the common *BSD/amd64 target.  */
69  add_target (amd64bsd_target ());
70}
71