Commit | Line | Data |
---|---|---|
ce3a066d | 1 | /* Target operations for the remote server for GDB. |
0b302171 JB |
2 | Copyright (C) 2002, 2004-2005, 2007-2012 Free Software Foundation, |
3 | Inc. | |
ce3a066d DJ |
4 | |
5 | Contributed by MontaVista Software. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
ce3a066d DJ |
12 | (at your option) any later version. |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
ce3a066d DJ |
21 | |
22 | #include "server.h" | |
23 | ||
24 | struct target_ops *the_target; | |
25 | ||
0d62e5e8 DJ |
26 | void |
27 | set_desired_inferior (int use_general) | |
28 | { | |
29 | struct thread_info *found; | |
30 | ||
31 | if (use_general == 1) | |
e09875d4 | 32 | found = find_thread_ptid (general_thread); |
0d62e5e8 | 33 | else |
943ca1dd | 34 | found = find_thread_ptid (cont_thread); |
0d62e5e8 DJ |
35 | |
36 | if (found == NULL) | |
37 | current_inferior = (struct thread_info *) all_threads.head; | |
38 | else | |
39 | current_inferior = found; | |
40 | } | |
41 | ||
c3e735a6 | 42 | int |
f450004a | 43 | read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len) |
611cb4a5 | 44 | { |
c3e735a6 DJ |
45 | int res; |
46 | res = (*the_target->read_memory) (memaddr, myaddr, len); | |
611cb4a5 | 47 | check_mem_read (memaddr, myaddr, len); |
c3e735a6 | 48 | return res; |
611cb4a5 DJ |
49 | } |
50 | ||
51 | int | |
f450004a DJ |
52 | write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr, |
53 | int len) | |
0d62e5e8 DJ |
54 | { |
55 | /* Lacking cleanups, there is some potential for a memory leak if the | |
56 | write fails and we go through error(). Make sure that no more than | |
57 | one buffer is ever pending by making BUFFER static. */ | |
f450004a | 58 | static unsigned char *buffer = 0; |
0d62e5e8 DJ |
59 | int res; |
60 | ||
61 | if (buffer != NULL) | |
62 | free (buffer); | |
63 | ||
bca929d3 | 64 | buffer = xmalloc (len); |
0d62e5e8 | 65 | memcpy (buffer, myaddr, len); |
b9fd1791 | 66 | check_mem_write (memaddr, buffer, myaddr, len); |
0d62e5e8 DJ |
67 | res = (*the_target->write_memory) (memaddr, buffer, len); |
68 | free (buffer); | |
69 | buffer = NULL; | |
70 | ||
71 | return res; | |
72 | } | |
73 | ||
95954743 PA |
74 | ptid_t |
75 | mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options, | |
bd99dc85 | 76 | int connected_wait) |
611cb4a5 | 77 | { |
95954743 | 78 | ptid_t ret; |
0d62e5e8 DJ |
79 | |
80 | if (connected_wait) | |
81 | server_waiting = 1; | |
82 | ||
95954743 | 83 | ret = (*the_target->wait) (ptid, ourstatus, options); |
bd99dc85 | 84 | |
95954743 PA |
85 | if (ourstatus->kind == TARGET_WAITKIND_EXITED) |
86 | fprintf (stderr, | |
423ec54c | 87 | "\nChild exited with status %d\n", ourstatus->value.integer); |
95954743 PA |
88 | else if (ourstatus->kind == TARGET_WAITKIND_SIGNALLED) |
89 | fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n", | |
90 | target_signal_to_host (ourstatus->value.sig), | |
91 | target_signal_to_name (ourstatus->value.sig)); | |
0d62e5e8 DJ |
92 | |
93 | if (connected_wait) | |
94 | server_waiting = 0; | |
95 | ||
96 | return ret; | |
611cb4a5 DJ |
97 | } |
98 | ||
bd99dc85 PA |
99 | int |
100 | start_non_stop (int nonstop) | |
101 | { | |
102 | if (the_target->start_non_stop == NULL) | |
103 | { | |
104 | if (nonstop) | |
105 | return -1; | |
106 | else | |
107 | return 0; | |
108 | } | |
109 | ||
110 | return (*the_target->start_non_stop) (nonstop); | |
111 | } | |
112 | ||
ce3a066d DJ |
113 | void |
114 | set_target_ops (struct target_ops *target) | |
115 | { | |
bca929d3 | 116 | the_target = (struct target_ops *) xmalloc (sizeof (*the_target)); |
ce3a066d DJ |
117 | memcpy (the_target, target, sizeof (*the_target)); |
118 | } | |
95954743 PA |
119 | |
120 | /* Convert pid to printable format. */ | |
121 | ||
122 | const char * | |
123 | target_pid_to_str (ptid_t ptid) | |
124 | { | |
125 | static char buf[80]; | |
126 | ||
127 | if (ptid_equal (ptid, minus_one_ptid)) | |
6cebaf6e | 128 | xsnprintf (buf, sizeof (buf), "<all threads>"); |
95954743 | 129 | else if (ptid_equal (ptid, null_ptid)) |
6cebaf6e | 130 | xsnprintf (buf, sizeof (buf), "<null thread>"); |
95954743 | 131 | else if (ptid_get_tid (ptid) != 0) |
6cebaf6e | 132 | xsnprintf (buf, sizeof (buf), "Thread %d.0x%lx", |
133 | ptid_get_pid (ptid), ptid_get_tid (ptid)); | |
95954743 | 134 | else if (ptid_get_lwp (ptid) != 0) |
6cebaf6e | 135 | xsnprintf (buf, sizeof (buf), "LWP %d.%ld", |
136 | ptid_get_pid (ptid), ptid_get_lwp (ptid)); | |
95954743 | 137 | else |
6cebaf6e | 138 | xsnprintf (buf, sizeof (buf), "Process %d", |
139 | ptid_get_pid (ptid)); | |
95954743 PA |
140 | |
141 | return buf; | |
142 | } | |
8336d594 PA |
143 | |
144 | /* Return a pretty printed form of target_waitstatus. */ | |
145 | ||
146 | const char * | |
147 | target_waitstatus_to_string (const struct target_waitstatus *ws) | |
148 | { | |
149 | static char buf[200]; | |
150 | const char *kind_str = "status->kind = "; | |
151 | ||
152 | switch (ws->kind) | |
153 | { | |
154 | case TARGET_WAITKIND_EXITED: | |
155 | sprintf (buf, "%sexited, status = %d", | |
156 | kind_str, ws->value.integer); | |
157 | break; | |
158 | case TARGET_WAITKIND_STOPPED: | |
159 | sprintf (buf, "%sstopped, signal = %s", | |
160 | kind_str, target_signal_to_name (ws->value.sig)); | |
161 | break; | |
162 | case TARGET_WAITKIND_SIGNALLED: | |
163 | sprintf (buf, "%ssignalled, signal = %s", | |
164 | kind_str, target_signal_to_name (ws->value.sig)); | |
165 | break; | |
166 | case TARGET_WAITKIND_LOADED: | |
167 | sprintf (buf, "%sloaded", kind_str); | |
168 | break; | |
169 | case TARGET_WAITKIND_EXECD: | |
170 | sprintf (buf, "%sexecd", kind_str); | |
171 | break; | |
172 | case TARGET_WAITKIND_SPURIOUS: | |
173 | sprintf (buf, "%sspurious", kind_str); | |
174 | break; | |
175 | case TARGET_WAITKIND_IGNORE: | |
176 | sprintf (buf, "%signore", kind_str); | |
177 | break; | |
178 | default: | |
179 | sprintf (buf, "%sunknown???", kind_str); | |
180 | break; | |
181 | } | |
182 | ||
183 | return buf; | |
184 | } |