1 /* Target operations for the remote server for GDB.
2 Copyright (C) 2002-2014 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/>. */
22 #include "tracepoint.h"
24 struct target_ops *the_target;
27 set_desired_inferior (int use_general)
29 struct thread_info *found;
32 found = find_thread_ptid (general_thread);
34 found = find_thread_ptid (cont_thread);
37 current_inferior = (struct thread_info *) all_threads.head;
39 current_inferior = found;
43 read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
46 res = (*the_target->read_memory) (memaddr, myaddr, len);
47 check_mem_read (memaddr, myaddr, len);
52 write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
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. */
58 static unsigned char *buffer = 0;
64 buffer = xmalloc (len);
65 memcpy (buffer, myaddr, len);
66 check_mem_write (memaddr, buffer, myaddr, len);
67 res = (*the_target->write_memory) (memaddr, buffer, len);
75 mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options,
83 ret = (*the_target->wait) (ptid, ourstatus, options);
85 /* We don't expose _LOADED events to gdbserver core. See the
86 `dlls_changed' global. */
87 if (ourstatus->kind == TARGET_WAITKIND_LOADED)
88 ourstatus->kind = TARGET_WAITKIND_STOPPED;
90 /* If GDB is connected through TCP/serial, then GDBserver will most
91 probably be running on its own terminal/console, so it's nice to
92 print there why is GDBserver exiting. If however, GDB is
93 connected through stdio, then there's no need to spam the GDB
94 console with this -- the user will already see the exit through
95 regular GDB output, in that same terminal. */
96 if (!remote_connection_is_stdio ())
98 if (ourstatus->kind == TARGET_WAITKIND_EXITED)
100 "\nChild exited with status %d\n", ourstatus->value.integer);
101 else if (ourstatus->kind == TARGET_WAITKIND_SIGNALLED)
102 fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n",
103 gdb_signal_to_host (ourstatus->value.sig),
104 gdb_signal_to_name (ourstatus->value.sig));
114 start_non_stop (int nonstop)
116 if (the_target->start_non_stop == NULL)
124 return (*the_target->start_non_stop) (nonstop);
128 set_target_ops (struct target_ops *target)
130 the_target = (struct target_ops *) xmalloc (sizeof (*the_target));
131 memcpy (the_target, target, sizeof (*the_target));
134 /* Convert pid to printable format. */
137 target_pid_to_str (ptid_t ptid)
141 if (ptid_equal (ptid, minus_one_ptid))
142 xsnprintf (buf, sizeof (buf), "<all threads>");
143 else if (ptid_equal (ptid, null_ptid))
144 xsnprintf (buf, sizeof (buf), "<null thread>");
145 else if (ptid_get_tid (ptid) != 0)
146 xsnprintf (buf, sizeof (buf), "Thread %d.0x%lx",
147 ptid_get_pid (ptid), ptid_get_tid (ptid));
148 else if (ptid_get_lwp (ptid) != 0)
149 xsnprintf (buf, sizeof (buf), "LWP %d.%ld",
150 ptid_get_pid (ptid), ptid_get_lwp (ptid));
152 xsnprintf (buf, sizeof (buf), "Process %d",
153 ptid_get_pid (ptid));
159 kill_inferior (int pid)
161 gdb_agent_about_to_close (pid);
163 return (*the_target->kill) (pid);