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58caa3dc DJ |
1 | /* GNU/Linux/x86-64 specific low level interface, for the remote server |
2 | for GDB. | |
3 | Copyright 2002 | |
4 | Free Software Foundation, Inc. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
22 | ||
23 | #include "server.h" | |
24 | #include "linux-low.h" | |
25 | #include "i387-fp.h" | |
26 | ||
27 | #include <sys/reg.h> | |
28 | #include <sys/procfs.h> | |
29 | #include <sys/ptrace.h> | |
30 | ||
de220d0f ML |
31 | #define X86_64_NUM_GREGS 22 |
32 | ||
2ec06d2e | 33 | static int x86_64_regmap[X86_64_NUM_GREGS] = { |
de220d0f | 34 | RAX, RBX, RCX, RDX, |
58caa3dc DJ |
35 | RSI, RDI, RBP, RSP, |
36 | R8, R9, R10, R11, | |
37 | R12, R13, R14, R15, | |
de220d0f ML |
38 | RIP, EFLAGS, |
39 | DS, ES, FS, GS | |
58caa3dc DJ |
40 | }; |
41 | ||
42 | static void | |
43 | x86_64_fill_gregset (void *buf) | |
44 | { | |
45 | int i; | |
46 | ||
de220d0f | 47 | for (i = 0; i < X86_64_NUM_GREGS; i++) |
2ec06d2e | 48 | collect_register (i, ((char *) buf) + x86_64_regmap[i]); |
58caa3dc DJ |
49 | } |
50 | ||
51 | static void | |
52 | x86_64_store_gregset (void *buf) | |
53 | { | |
54 | int i; | |
55 | ||
de220d0f | 56 | for (i = 0; i < X86_64_NUM_GREGS; i++) |
2ec06d2e | 57 | supply_register (i, ((char *) buf) + x86_64_regmap[i]); |
58caa3dc DJ |
58 | } |
59 | ||
60 | static void | |
61 | x86_64_fill_fpregset (void *buf) | |
62 | { | |
63 | i387_cache_to_fxsave (buf); | |
64 | } | |
65 | ||
66 | static void | |
67 | x86_64_store_fpregset (void *buf) | |
68 | { | |
69 | i387_fxsave_to_cache (buf); | |
70 | } | |
71 | ||
58caa3dc DJ |
72 | struct regset_info target_regsets[] = { |
73 | { PTRACE_GETREGS, PTRACE_SETREGS, sizeof (elf_gregset_t), | |
74 | x86_64_fill_gregset, x86_64_store_gregset }, | |
75 | { PTRACE_GETFPREGS, PTRACE_SETFPREGS, sizeof (elf_fpregset_t), | |
76 | x86_64_fill_fpregset, x86_64_store_fpregset }, | |
77 | { 0, 0, -1, NULL, NULL } | |
78 | }; | |
2ec06d2e DJ |
79 | |
80 | struct linux_target_ops the_low_target = { | |
81 | -1, | |
82 | NULL, | |
83 | NULL, | |
84 | NULL, | |
85 | }; |