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cced5e27 MK |
1 | /* Native-dependent code for AMD64 BSD's. |
2 | ||
85be1ca6 | 3 | Copyright 2003, 2004 Free Software Foundation, Inc. |
cced5e27 MK |
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 "inferior.h" | |
24 | #include "regcache.h" | |
25 | ||
26 | /* We include <signal.h> to make sure `struct fxsave64' is defined on | |
27 | NetBSD, since NetBSD's <machine/reg.h> needs it. */ | |
28 | #include "gdb_assert.h" | |
29 | #include <signal.h> | |
30 | #include <sys/types.h> | |
31 | #include <sys/ptrace.h> | |
32 | #include <machine/reg.h> | |
33 | ||
85be1ca6 | 34 | #include "amd64-tdep.h" |
cced5e27 MK |
35 | #include "amd64-nat.h" |
36 | \f | |
37 | ||
38 | /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this | |
39 | for all registers (including the floating-point registers). */ | |
40 | ||
41 | void | |
42 | fetch_inferior_registers (int regnum) | |
43 | { | |
44 | if (regnum == -1 || amd64_native_gregset_supplies_p (regnum)) | |
45 | { | |
46 | struct reg regs; | |
47 | ||
48 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 49 | (PTRACE_TYPE_ARG3) ®s, 0) == -1) |
cced5e27 MK |
50 | perror_with_name ("Couldn't get registers"); |
51 | ||
52 | amd64_supply_native_gregset (current_regcache, ®s, -1); | |
53 | if (regnum != -1) | |
54 | return; | |
55 | } | |
56 | ||
18bbbd9e | 57 | if (regnum == -1 || !amd64_native_gregset_supplies_p (regnum)) |
cced5e27 MK |
58 | { |
59 | struct fpreg fpregs; | |
60 | ||
61 | if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 62 | (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) |
cced5e27 MK |
63 | perror_with_name ("Couldn't get floating point status"); |
64 | ||
90f90721 | 65 | amd64_supply_fxsave (current_regcache, -1, &fpregs); |
cced5e27 MK |
66 | } |
67 | } | |
68 | ||
69 | /* Store register REGNUM back into the inferior. If REGNUM is -1, do | |
70 | this for all registers (including the floating-point registers). */ | |
71 | ||
72 | void | |
73 | store_inferior_registers (int regnum) | |
74 | { | |
75 | if (regnum == -1 || amd64_native_gregset_supplies_p (regnum)) | |
76 | { | |
77 | struct reg regs; | |
78 | ||
79 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 80 | (PTRACE_TYPE_ARG3) ®s, 0) == -1) |
cced5e27 MK |
81 | perror_with_name ("Couldn't get registers"); |
82 | ||
83 | amd64_collect_native_gregset (current_regcache, ®s, regnum); | |
84 | ||
85 | if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 86 | (PTRACE_TYPE_ARG3) ®s, 0) == -1) |
cced5e27 MK |
87 | perror_with_name ("Couldn't write registers"); |
88 | ||
89 | if (regnum != -1) | |
90 | return; | |
91 | } | |
92 | ||
18bbbd9e | 93 | if (regnum == -1 || !amd64_native_gregset_supplies_p (regnum)) |
cced5e27 MK |
94 | { |
95 | struct fpreg fpregs; | |
96 | ||
97 | if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 98 | (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) |
cced5e27 MK |
99 | perror_with_name ("Couldn't get floating point status"); |
100 | ||
722d18c2 | 101 | amd64_collect_fxsave (current_regcache, regnum, &fpregs); |
cced5e27 MK |
102 | |
103 | if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 104 | (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) |
cced5e27 MK |
105 | perror_with_name ("Couldn't write floating point status"); |
106 | } | |
107 | } |