1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/* Host-dependent code for Apollo-68ks for GDB, the GNU debugger.
Copyright 1986, 1987, 1989, 1991, 2001 Free Software Foundation,
Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "inferior.h"
#include "regcache.h"
#ifndef _ISP__M68K
#define _ISP__M68K 1
#endif
#include <ptrace.h>
extern int errno;
void
fetch_inferior_registers (int ignored)
{
struct ptrace_$data_regs_m68k inferior_registers;
struct ptrace_$floating_regs_m68k inferior_fp_registers;
struct ptrace_$control_regs_m68k inferior_control_registers;
ptrace_$init_control (&inferior_control_registers);
inferior_fp_registers.size = sizeof (inferior_fp_registers);
registers_fetched ();
ptrace (PTRACE_GETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) & inferior_registers,
ptrace_$data_set,
(PTRACE_ARG3_TYPE) & inferior_registers,
ptrace_$data_set);
ptrace (PTRACE_GETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) & inferior_fp_registers,
ptrace_$floating_set_m68k,
(PTRACE_ARG3_TYPE) & inferior_fp_registers,
ptrace_$floating_set_m68k);
ptrace (PTRACE_GETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) & inferior_control_registers,
ptrace_$control_set_m68k,
(PTRACE_ARG3_TYPE) & inferior_control_registers,
ptrace_$control_set_m68k);
bcopy (&inferior_registers, registers, 16 * 4);
bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
sizeof inferior_fp_registers.regs);
*(int *) ®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_control_registers.sr;
*(int *) ®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_control_registers.pc;
}
/* Store our register values back into the inferior.
If REGNO is -1, do this for all registers.
Otherwise, REGNO specifies which register (so we can save time). */
void
store_inferior_registers (int regno)
{
struct ptrace_$data_regs_m68k inferior_registers;
struct ptrace_$floating_regs_m68k inferior_fp_registers;
struct ptrace_$control_regs_m68k inferior_control_registers;
ptrace_$init_control (&inferior_control_registers);
inferior_fp_registers.size = sizeof (inferior_fp_registers);
ptrace (PTRACE_GETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) & inferior_fp_registers,
ptrace_$floating_set_m68k,
(PTRACE_ARG3_TYPE) & inferior_fp_registers,
ptrace_$floating_set_m68k);
ptrace (PTRACE_GETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) & inferior_control_registers,
ptrace_$control_set_m68k,
(PTRACE_ARG3_TYPE) & inferior_control_registers,
ptrace_$control_set_m68k);
bcopy (registers, &inferior_registers, sizeof (inferior_registers));
bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], inferior_fp_registers.regs,
sizeof inferior_fp_registers.regs);
inferior_control_registers.sr = *(int *) ®isters[REGISTER_BYTE (PS_REGNUM)];
inferior_control_registers.pc = *(int *) ®isters[REGISTER_BYTE (PC_REGNUM)];
ptrace (PTRACE_SETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) & inferior_registers,
ptrace_$data_set_m68k,
(PTRACE_ARG3_TYPE) & inferior_registers,
ptrace_$data_set_m68k);
ptrace (PTRACE_SETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) & inferior_fp_registers,
ptrace_$floating_set_m68k,
(PTRACE_ARG3_TYPE) & inferior_fp_registers,
ptrace_$floating_set_m68k);
ptrace (PTRACE_SETREGS, inferior_pid,
(PTRACE_ARG3_TYPE) & inferior_control_registers,
ptrace_$control_set_m68k,
(PTRACE_ARG3_TYPE) & inferior_control_registers,
ptrace_$control_set_m68k);
}
|
