1 /* Target operations for the remote server for GDB.
2 Copyright (C) 2002-2013 Free Software Foundation, Inc.
4 Contributed by MontaVista Software.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 struct target_ops *the_target;
26 set_desired_inferior (int use_general)
28 struct thread_info *found;
31 found = find_thread_ptid (general_thread);
33 found = find_thread_ptid (cont_thread);
36 current_inferior = (struct thread_info *) all_threads.head;
38 current_inferior = found;
42 read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
45 res = (*the_target->read_memory) (memaddr, myaddr, len);
46 check_mem_read (memaddr, myaddr, len);
51 write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
54 /* Lacking cleanups, there is some potential for a memory leak if the
55 write fails and we go through error(). Make sure that no more than
56 one buffer is ever pending by making BUFFER static. */
57 static unsigned char *buffer = 0;
63 buffer = xmalloc (len);
64 memcpy (buffer, myaddr, len);
65 check_mem_write (memaddr, buffer, myaddr, len);
66 res = (*the_target->write_memory) (memaddr, buffer, len);
74 mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options,
82 ret = (*the_target->wait) (ptid, ourstatus, options);
84 if (ourstatus->kind == TARGET_WAITKIND_EXITED)
86 "\nChild exited with status %d\n", ourstatus->value.integer);
87 else if (ourstatus->kind == TARGET_WAITKIND_SIGNALLED)
88 fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n",
89 gdb_signal_to_host (ourstatus->value.sig),
90 gdb_signal_to_name (ourstatus->value.sig));
99 start_non_stop (int nonstop)
101 if (the_target->start_non_stop == NULL)
109 return (*the_target->start_non_stop) (nonstop);
113 set_target_ops (struct target_ops *target)
115 the_target = (struct target_ops *) xmalloc (sizeof (*the_target));
116 memcpy (the_target, target, sizeof (*the_target));
119 /* Convert pid to printable format. */
122 target_pid_to_str (ptid_t ptid)
126 if (ptid_equal (ptid, minus_one_ptid))
127 xsnprintf (buf, sizeof (buf), "<all threads>");
128 else if (ptid_equal (ptid, null_ptid))
129 xsnprintf (buf, sizeof (buf), "<null thread>");
130 else if (ptid_get_tid (ptid) != 0)
131 xsnprintf (buf, sizeof (buf), "Thread %d.0x%lx",
132 ptid_get_pid (ptid), ptid_get_tid (ptid));
133 else if (ptid_get_lwp (ptid) != 0)
134 xsnprintf (buf, sizeof (buf), "LWP %d.%ld",
135 ptid_get_pid (ptid), ptid_get_lwp (ptid));
137 xsnprintf (buf, sizeof (buf), "Process %d",
138 ptid_get_pid (ptid));
143 /* Return a pretty printed form of target_waitstatus. */
146 target_waitstatus_to_string (const struct target_waitstatus *ws)
148 static char buf[200];
149 const char *kind_str = "status->kind = ";
153 case TARGET_WAITKIND_EXITED:
154 sprintf (buf, "%sexited, status = %d",
155 kind_str, ws->value.integer);
157 case TARGET_WAITKIND_STOPPED:
158 sprintf (buf, "%sstopped, signal = %s",
159 kind_str, gdb_signal_to_name (ws->value.sig));
161 case TARGET_WAITKIND_SIGNALLED:
162 sprintf (buf, "%ssignalled, signal = %s",
163 kind_str, gdb_signal_to_name (ws->value.sig));
165 case TARGET_WAITKIND_LOADED:
166 sprintf (buf, "%sloaded", kind_str);
168 case TARGET_WAITKIND_EXECD:
169 sprintf (buf, "%sexecd", kind_str);
171 case TARGET_WAITKIND_SPURIOUS:
172 sprintf (buf, "%sspurious", kind_str);
174 case TARGET_WAITKIND_IGNORE:
175 sprintf (buf, "%signore", kind_str);
178 sprintf (buf, "%sunknown???", kind_str);
186 kill_inferior (int pid)
188 gdb_agent_about_to_close (pid);
190 return (*the_target->kill) (pid);