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45888261 | 1 | /* Native-dependent code for MIPS systems running NetBSD. |
9f8e0089 MK |
2 | |
3 | Copyright 2000, 2001, 2002, 2004 Free Software Foundation, Inc. | |
45888261 JT |
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 | #include "mipsnbsd-tdep.h" | |
27 | ||
28 | #include <sys/types.h> | |
29 | #include <sys/ptrace.h> | |
30 | #include <machine/reg.h> | |
31 | ||
32 | /* Determine if PT_GETREGS fetches this register. */ | |
33 | static int | |
34 | getregs_supplies (int regno) | |
35 | { | |
36 | return ((regno) >= ZERO_REGNUM && (regno) <= PC_REGNUM); | |
37 | } | |
38 | ||
39 | void | |
40 | fetch_inferior_registers (int regno) | |
41 | { | |
42 | if (regno == -1 || getregs_supplies (regno)) | |
43 | { | |
44 | struct reg regs; | |
45 | ||
46 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 47 | (PTRACE_TYPE_ARG3) ®s, 0) == -1) |
45888261 JT |
48 | perror_with_name ("Couldn't get registers"); |
49 | ||
50 | mipsnbsd_supply_reg ((char *) ®s, regno); | |
51 | if (regno != -1) | |
52 | return; | |
53 | } | |
54 | ||
55 | if (regno == -1 || regno >= FP0_REGNUM) | |
56 | { | |
57 | struct fpreg fpregs; | |
58 | ||
59 | if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 60 | (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) |
45888261 JT |
61 | perror_with_name ("Couldn't get floating point status"); |
62 | ||
63 | mipsnbsd_supply_fpreg ((char *) &fpregs, regno); | |
64 | } | |
65 | } | |
66 | ||
67 | void | |
68 | store_inferior_registers (int regno) | |
69 | { | |
70 | if (regno == -1 || getregs_supplies (regno)) | |
71 | { | |
72 | struct reg regs; | |
73 | ||
74 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 75 | (PTRACE_TYPE_ARG3) ®s, 0) == -1) |
45888261 JT |
76 | perror_with_name ("Couldn't get registers"); |
77 | ||
78 | mipsnbsd_fill_reg ((char *) ®s, regno); | |
79 | ||
80 | if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 81 | (PTRACE_TYPE_ARG3) ®s, 0) == -1) |
45888261 JT |
82 | perror_with_name ("Couldn't write registers"); |
83 | ||
84 | if (regno != -1) | |
85 | return; | |
86 | } | |
87 | ||
88 | if (regno == -1 || regno >= FP0_REGNUM) | |
89 | { | |
90 | struct fpreg fpregs; | |
91 | ||
92 | if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 93 | (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) |
45888261 JT |
94 | perror_with_name ("Couldn't get floating point status"); |
95 | ||
96 | mipsnbsd_fill_fpreg ((char *) &fpregs, regno); | |
97 | ||
98 | if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), | |
9f8e0089 | 99 | (PTRACE_TYPE_ARG3) &fpregs, 0) == -1) |
45888261 JT |
100 | perror_with_name ("Couldn't write floating point status"); |
101 | } | |
102 | } |