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/tmp/gdb-8.1/gdb/amd64-nbsd-nat.c
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1 /* Native-dependent code for NetBSD/amd64.
2
3 Copyright (C) 2003-2018 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 "target.h"
22
23 #include "nbsd-nat.h"
24 #include "amd64-tdep.h"
25 #include "amd64-nat.h"
26
27 /* Mapping between the general-purpose registers in NetBSD/amd64
28 `struct reg' format and GDB's register cache layout for
29 NetBSD/i386.
30
31 Note that most (if not all) NetBSD/amd64 registers are 64-bit,
32 while the NetBSD/i386 registers are all 32-bit, but since we're
33 little-endian we get away with that. */
34
35 /* From <machine/reg.h>. */
36 static int amd64nbsd32_r_reg_offset[] =
37 {
38 14 * 8, /* %eax */
39 3 * 8, /* %ecx */
40 2 * 8, /* %edx */
41 13 * 8, /* %ebx */
42 24 * 8, /* %esp */
43 12 * 8, /* %ebp */
44 1 * 8, /* %esi */
45 0 * 8, /* %edi */
46 21 * 8, /* %eip */
47 23 * 8, /* %eflags */
48 22 * 8, /* %cs */
49 25 * 8, /* %ss */
50 18 * 8, /* %ds */
51 17 * 8, /* %es */
52 16 * 8, /* %fs */
53 15 * 8 /* %gs */
54 };
55
56 void
57 _initialize_amd64nbsd_nat (void)
58 {
59 struct target_ops *t;
60
61 amd64_native_gregset32_reg_offset = amd64nbsd32_r_reg_offset;
62 amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64nbsd32_r_reg_offset);
63 amd64_native_gregset64_reg_offset = amd64nbsd_r_reg_offset;
64
65 /* Add some extra features to the common *BSD/amd64 target. */
66 t = amd64bsd_target ();
67 t->to_pid_to_exec_file = nbsd_pid_to_exec_file;
68 add_target (t);
69 }
add_target
void add_target(struct target_ops *t)
Definition: target.c:395
nbsd_pid_to_exec_file
char * nbsd_pid_to_exec_file(struct target_ops *self, int pid)
Definition: nbsd-nat.c:28
amd64-nat.h
amd64_native_gregset32_num_regs
int amd64_native_gregset32_num_regs
Definition: amd64-nat.c:42
defs.h
amd64_native_gregset32_reg_offset
int * amd64_native_gregset32_reg_offset
Definition: amd64-nat.c:41
_initialize_amd64nbsd_nat
void _initialize_amd64nbsd_nat(void)
Definition: amd64-nbsd-nat.c:57
target_ops
Definition: target.h:412
amd64_native_gregset64_reg_offset
int * amd64_native_gregset64_reg_offset
Definition: amd64-nat.c:45
amd64-tdep.h
target_ops::to_pid_to_exec_file
char *(* to_pid_to_exec_file)(struct target_ops *, int pid) TARGET_DEFAULT_RETURN(NULL)
Definition: target.h:650
amd64nbsd32_r_reg_offset
static int amd64nbsd32_r_reg_offset[]
Definition: amd64-nbsd-nat.c:36
nbsd-nat.h
amd64bsd_target
struct target_ops * amd64bsd_target(void)
Definition: amd64-bsd-nat.c:201
target.h
amd64nbsd_r_reg_offset
int amd64nbsd_r_reg_offset[]
Definition: amd64-nbsd-tdep.c:69