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
|
/* Target operations for the remote server for GDB.
Copyright (C) 2002, 2004, 2005, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by MontaVista Software.
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 3 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, see <http://www.gnu.org/licenses/>. */
#include "server.h"
struct target_ops *the_target;
void
set_desired_inferior (int use_general)
{
struct thread_info *found;
if (use_general == 1)
found = find_thread_ptid (general_thread);
else
{
found = NULL;
/* If we are continuing any (all) thread(s), use step_thread
to decide which thread to step and/or send the specified
signal to. */
if ((!ptid_equal (step_thread, null_ptid)
&& !ptid_equal (step_thread, minus_one_ptid))
&& (ptid_equal (cont_thread, null_ptid)
|| ptid_equal (cont_thread, minus_one_ptid)))
found = find_thread_ptid (step_thread);
if (found == NULL)
found = find_thread_ptid (cont_thread);
}
if (found == NULL)
current_inferior = (struct thread_info *) all_threads.head;
else
current_inferior = found;
}
int
read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
{
int res;
res = (*the_target->read_memory) (memaddr, myaddr, len);
check_mem_read (memaddr, myaddr, len);
return res;
}
int
write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
int len)
{
/* Lacking cleanups, there is some potential for a memory leak if the
write fails and we go through error(). Make sure that no more than
one buffer is ever pending by making BUFFER static. */
static unsigned char *buffer = 0;
int res;
if (buffer != NULL)
free (buffer);
buffer = xmalloc (len);
memcpy (buffer, myaddr, len);
check_mem_write (memaddr, buffer, len);
res = (*the_target->write_memory) (memaddr, buffer, len);
free (buffer);
buffer = NULL;
return res;
}
ptid_t
mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options,
int connected_wait)
{
ptid_t ret;
if (connected_wait)
server_waiting = 1;
ret = (*the_target->wait) (ptid, ourstatus, options);
if (ourstatus->kind == TARGET_WAITKIND_EXITED)
fprintf (stderr,
"\nChild exited with status %d\n", ourstatus->value.sig);
else if (ourstatus->kind == TARGET_WAITKIND_SIGNALLED)
fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n",
target_signal_to_host (ourstatus->value.sig),
target_signal_to_name (ourstatus->value.sig));
if (connected_wait)
server_waiting = 0;
return ret;
}
int
start_non_stop (int nonstop)
{
if (the_target->start_non_stop == NULL)
{
if (nonstop)
return -1;
else
return 0;
}
return (*the_target->start_non_stop) (nonstop);
}
void
set_target_ops (struct target_ops *target)
{
the_target = (struct target_ops *) xmalloc (sizeof (*the_target));
memcpy (the_target, target, sizeof (*the_target));
}
/* Convert pid to printable format. */
const char *
target_pid_to_str (ptid_t ptid)
{
static char buf[80];
if (ptid_equal (ptid, minus_one_ptid))
snprintf (buf, sizeof (buf), "<all threads>");
else if (ptid_equal (ptid, null_ptid))
snprintf (buf, sizeof (buf), "<null thread>");
else if (ptid_get_tid (ptid) != 0)
snprintf (buf, sizeof (buf), "Thread %d.0x%lx",
ptid_get_pid (ptid), ptid_get_tid (ptid));
else if (ptid_get_lwp (ptid) != 0)
snprintf (buf, sizeof (buf), "LWP %d.%ld",
ptid_get_pid (ptid), ptid_get_lwp (ptid));
else
snprintf (buf, sizeof (buf), "Process %d",
ptid_get_pid (ptid));
return buf;
}
|
