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
24 #include "gdb_assert.h"
25
26 #include "amd64-tdep.h"
27 #include "amd64-nat.h"
28
29 /* Mapping between the general-purpose registers in NetBSD/amd64
30 `struct reg' format and GDB's register cache layout for
31 NetBSD/i386.
32
33 Note that most (if not all) NetBSD/amd64 registers are 64-bit,
34 while the NetBSD/i386 registers are all 32-bit, but since we're
35 little-endian we get away with that. */
36
37 /* From <machine/reg.h>. */
38 static int amd64nbsd32_r_reg_offset[] =
39 {
40 14 * 8, /* %eax */
41 3 * 8, /* %ecx */
42 2 * 8, /* %edx */
43 13 * 8, /* %ebx */
44 24 * 8, /* %esp */
45 12 * 8, /* %ebp */
46 1 * 8, /* %esi */
47 0 * 8, /* %edi */
48 21 * 8, /* %eip */
49 23 * 8, /* %eflags */
50 22 * 8, /* %cs */
51 25 * 8, /* %ss */
52 18 * 8, /* %ds */
53 17 * 8, /* %es */
54 16 * 8, /* %fs */
55 15 * 8 /* %gs */
56 };
57
58
59 /* Provide a prototype to silence -Wmissing-prototypes. */
60 void _initialize_amd64nbsd_nat (void);
61
62 void
_initialize_amd64nbsd_nat(void)63 _initialize_amd64nbsd_nat (void)
64 {
65 amd64_native_gregset32_reg_offset = amd64nbsd32_r_reg_offset;
66 amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64nbsd32_r_reg_offset);
67 amd64_native_gregset64_reg_offset = amd64nbsd_r_reg_offset;
68 }
69