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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/* 68k-dependent portions of the RPC protocol
used with a VxWorks target
Contributed by Wind River Systems.
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 <stdio.h>
#include "defs.h"
#include "vx-share/regPacket.h"
#include "frame.h"
#include "inferior.h"
#include "wait.h"
#include "target.h"
#include "gdbcore.h"
#include "command.h"
#include "symtab.h"
#include "symfile.h" /* for struct complaint */
#include "gdb_string.h"
#include <errno.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#ifdef _AIX /* IBM claims "void *malloc()" not char * */
#define malloc bogon_malloc
#endif
#include <rpc/rpc.h>
#ifdef _AIX
#undef malloc
#endif
#include <sys/time.h> /* UTek's <rpc/rpc.h> doesn't #incl this */
#include <netdb.h>
#include "vx-share/ptrace.h"
#include "vx-share/xdr_ptrace.h"
#include "vx-share/xdr_ld.h"
#include "vx-share/xdr_rdb.h"
#include "vx-share/dbgRpcLib.h"
/* get rid of value.h if possible */
#include <value.h>
#include <symtab.h>
/* Flag set if target has fpu */
extern int target_has_fp;
/* Generic register read/write routines in remote-vx.c. */
extern void net_read_registers ();
extern void net_write_registers ();
/* Read a register or registers from the VxWorks target.
REGNO is the register to read, or -1 for all; currently,
it is ignored. FIXME look at regno to improve efficiency. */
void
vx_read_register (regno)
int regno;
{
char mc68k_greg_packet[MC68K_GREG_PLEN];
char mc68k_fpreg_packet[MC68K_FPREG_PLEN];
/* Get general-purpose registers. */
net_read_registers (mc68k_greg_packet, MC68K_GREG_PLEN, PTRACE_GETREGS);
bcopy (&mc68k_greg_packet[MC68K_R_D0], registers, 16 * MC68K_GREG_SIZE);
bcopy (&mc68k_greg_packet[MC68K_R_SR], ®isters[REGISTER_BYTE (PS_REGNUM)],
MC68K_GREG_SIZE);
bcopy (&mc68k_greg_packet[MC68K_R_PC], ®isters[REGISTER_BYTE (PC_REGNUM)],
MC68K_GREG_SIZE);
/* Get floating-point registers, if the target system has them.
Otherwise, zero them. */
if (target_has_fp)
{
net_read_registers (mc68k_fpreg_packet, MC68K_FPREG_PLEN,
PTRACE_GETFPREGS);
bcopy (&mc68k_fpreg_packet[MC68K_R_FP0],
®isters[REGISTER_BYTE (FP0_REGNUM)],
MC68K_FPREG_SIZE * 8);
bcopy (&mc68k_fpreg_packet[MC68K_R_FPCR],
®isters[REGISTER_BYTE (FPC_REGNUM)],
MC68K_FPREG_PLEN - (MC68K_FPREG_SIZE * 8));
}
else
{
bzero (®isters[REGISTER_BYTE (FP0_REGNUM)],
MC68K_FPREG_SIZE * 8);
bzero (®isters[REGISTER_BYTE (FPC_REGNUM)],
MC68K_FPREG_PLEN - (MC68K_FPREG_SIZE * 8));
}
/* Mark the register cache valid. */
registers_fetched ();
}
/* Store a register or registers into the VxWorks target.
REGNO is the register to store, or -1 for all; currently,
it is ignored. FIXME look at regno to improve efficiency. */
void
vx_write_register (regno)
int regno;
{
char mc68k_greg_packet[MC68K_GREG_PLEN];
char mc68k_fpreg_packet[MC68K_FPREG_PLEN];
/* Store general-purpose registers. */
bcopy (registers, &mc68k_greg_packet[MC68K_R_D0], 16 * MC68K_GREG_SIZE);
bcopy (®isters[REGISTER_BYTE (PS_REGNUM)],
&mc68k_greg_packet[MC68K_R_SR], MC68K_GREG_SIZE);
bcopy (®isters[REGISTER_BYTE (PC_REGNUM)],
&mc68k_greg_packet[MC68K_R_PC], MC68K_GREG_SIZE);
net_write_registers (mc68k_greg_packet, MC68K_GREG_PLEN, PTRACE_SETREGS);
/* Store floating point registers if the target has them. */
if (target_has_fp)
{
bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)],
&mc68k_fpreg_packet[MC68K_R_FP0],
MC68K_FPREG_SIZE * 8);
bcopy (®isters[REGISTER_BYTE (FPC_REGNUM)],
&mc68k_fpreg_packet[MC68K_R_FPCR],
MC68K_FPREG_PLEN - (MC68K_FPREG_SIZE * 8));
net_write_registers (mc68k_fpreg_packet, MC68K_FPREG_PLEN,
PTRACE_SETFPREGS);
}
}
|
