1 /* Target operations for the remote server for GDB.
2 Copyright (C) 2002, 2004-2005, 2007-2012 Free Software Foundation,
5 Contributed by MontaVista Software.
7 This file is part of GDB.
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
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
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.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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 if (ourstatus
->kind
== TARGET_WAITKIND_EXITED
)
87 "\nChild exited with status %d\n", ourstatus
->value
.integer
);
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
));
100 start_non_stop (int nonstop
)
102 if (the_target
->start_non_stop
== NULL
)
110 return (*the_target
->start_non_stop
) (nonstop
);
114 set_target_ops (struct target_ops
*target
)
116 the_target
= (struct target_ops
*) xmalloc (sizeof (*the_target
));
117 memcpy (the_target
, target
, sizeof (*the_target
));
120 /* Convert pid to printable format. */
123 target_pid_to_str (ptid_t ptid
)
127 if (ptid_equal (ptid
, minus_one_ptid
))
128 xsnprintf (buf
, sizeof (buf
), "<all threads>");
129 else if (ptid_equal (ptid
, null_ptid
))
130 xsnprintf (buf
, sizeof (buf
), "<null thread>");
131 else if (ptid_get_tid (ptid
) != 0)
132 xsnprintf (buf
, sizeof (buf
), "Thread %d.0x%lx",
133 ptid_get_pid (ptid
), ptid_get_tid (ptid
));
134 else if (ptid_get_lwp (ptid
) != 0)
135 xsnprintf (buf
, sizeof (buf
), "LWP %d.%ld",
136 ptid_get_pid (ptid
), ptid_get_lwp (ptid
));
138 xsnprintf (buf
, sizeof (buf
), "Process %d",
139 ptid_get_pid (ptid
));
144 /* Return a pretty printed form of target_waitstatus. */
147 target_waitstatus_to_string (const struct target_waitstatus
*ws
)
149 static char buf
[200];
150 const char *kind_str
= "status->kind = ";
154 case TARGET_WAITKIND_EXITED
:
155 sprintf (buf
, "%sexited, status = %d",
156 kind_str
, ws
->value
.integer
);
158 case TARGET_WAITKIND_STOPPED
:
159 sprintf (buf
, "%sstopped, signal = %s",
160 kind_str
, target_signal_to_name (ws
->value
.sig
));
162 case TARGET_WAITKIND_SIGNALLED
:
163 sprintf (buf
, "%ssignalled, signal = %s",
164 kind_str
, target_signal_to_name (ws
->value
.sig
));
166 case TARGET_WAITKIND_LOADED
:
167 sprintf (buf
, "%sloaded", kind_str
);
169 case TARGET_WAITKIND_EXECD
:
170 sprintf (buf
, "%sexecd", kind_str
);
172 case TARGET_WAITKIND_SPURIOUS
:
173 sprintf (buf
, "%sspurious", kind_str
);
175 case TARGET_WAITKIND_IGNORE
:
176 sprintf (buf
, "%signore", kind_str
);
179 sprintf (buf
, "%sunknown???", kind_str
);