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13a38d45 | 1 | /* Native-dependent code for SuperH running NetBSD, for GDB. |
97a5b208 | 2 | Copyright 2002, 2003 Free Software Foundation, Inc. |
13a38d45 JT |
3 | Contributed by Wasabi Systems, 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 <sys/types.h> | |
23 | #include <sys/ptrace.h> | |
24 | #include <machine/reg.h> | |
25 | ||
26 | #include "defs.h" | |
27 | #include "inferior.h" | |
28 | ||
97a5b208 | 29 | #include "sh-tdep.h" |
4015edd1 | 30 | #include "shnbsd-tdep.h" |
13a38d45 JT |
31 | |
32 | /* Determine if PT_GETREGS fetches this register. */ | |
33 | #define GETREGS_SUPPLIES(regno) \ | |
34 | (((regno) >= R0_REGNUM && (regno) <= (R0_REGNUM + 15)) \ | |
35 | || (regno) == PC_REGNUM || (regno) == PR_REGNUM \ | |
36 | || (regno) == MACH_REGNUM || (regno) == MACL_REGNUM \ | |
37 | || (regno) == SR_REGNUM) | |
38 | ||
39 | void | |
40 | fetch_inferior_registers (int regno) | |
41 | { | |
42 | if (regno == -1 || GETREGS_SUPPLIES (regno)) | |
43 | { | |
44 | struct reg inferior_registers; | |
45 | ||
46 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
47 | (PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1) | |
48 | perror_with_name ("Couldn't get registers"); | |
49 | ||
20cb8cda | 50 | shnbsd_supply_reg ((char *) &inferior_registers, regno); |
13a38d45 JT |
51 | |
52 | if (regno != -1) | |
53 | return; | |
54 | } | |
55 | } | |
56 | ||
57 | void | |
58 | store_inferior_registers (int regno) | |
59 | { | |
60 | if (regno == -1 || GETREGS_SUPPLIES (regno)) | |
61 | { | |
62 | struct reg inferior_registers; | |
63 | ||
64 | if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), | |
65 | (PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1) | |
66 | perror_with_name ("Couldn't get registers"); | |
67 | ||
20cb8cda | 68 | shnbsd_fill_reg ((char *) &inferior_registers, regno); |
13a38d45 JT |
69 | |
70 | if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), | |
71 | (PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1) | |
72 | perror_with_name ("Couldn't set registers"); | |
73 | ||
74 | if (regno != -1) | |
75 | return; | |
76 | } | |
77 | } |