1 /* Target waitstatus definitions and prototypes.
3 Copyright (C) 1990-2014 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 #include "gdb_signals.h"
25 /* Stuff for target_wait. */
27 /* Generally, what has the program done? */
30 /* The program has exited. The exit status is in value.integer. */
31 TARGET_WAITKIND_EXITED,
33 /* The program has stopped with a signal. Which signal is in
35 TARGET_WAITKIND_STOPPED,
37 /* The program has terminated with a signal. Which signal is in
39 TARGET_WAITKIND_SIGNALLED,
41 /* The program is letting us know that it dynamically loaded
42 something (e.g. it called load(2) on AIX). */
43 TARGET_WAITKIND_LOADED,
45 /* The program has forked. A "related" process' PTID is in
46 value.related_pid. I.e., if the child forks, value.related_pid
47 is the parent's ID. */
48 TARGET_WAITKIND_FORKED,
50 /* The program has vforked. A "related" process's PTID is in
52 TARGET_WAITKIND_VFORKED,
54 /* The program has exec'ed a new executable file. The new file's
55 pathname is pointed to by value.execd_pathname. */
56 TARGET_WAITKIND_EXECD,
58 /* The program had previously vforked, and now the child is done
59 with the shared memory region, because it exec'ed or exited.
60 Note that the event is reported to the vfork parent. This is
61 only used if GDB did not stay attached to the vfork child,
62 otherwise, a TARGET_WAITKIND_EXECD or
63 TARGET_WAITKIND_EXIT|SIGNALLED event associated with the child
64 has the same effect. */
65 TARGET_WAITKIND_VFORK_DONE,
67 /* The program has entered or returned from a system call. On
68 HP-UX, this is used in the hardware watchpoint implementation.
69 The syscall's unique integer ID number is in
71 TARGET_WAITKIND_SYSCALL_ENTRY,
72 TARGET_WAITKIND_SYSCALL_RETURN,
74 /* Nothing happened, but we stopped anyway. This perhaps should
75 be handled within target_wait, but I'm not sure target_wait
76 should be resuming the inferior. */
77 TARGET_WAITKIND_SPURIOUS,
79 /* An event has occured, but we should wait again.
80 Remote_async_wait() returns this when there is an event
81 on the inferior, but the rest of the world is not interested in
82 it. The inferior has not stopped, but has just sent some output
83 to the console, for instance. In this case, we want to go back
84 to the event loop and wait there for another event from the
85 inferior, rather than being stuck in the remote_async_wait()
86 function. This way the event loop is responsive to other events,
87 like for instance the user typing. */
88 TARGET_WAITKIND_IGNORE,
90 /* The target has run out of history information,
91 and cannot run backward any further. */
92 TARGET_WAITKIND_NO_HISTORY,
94 /* There are no resumed children left in the program. */
95 TARGET_WAITKIND_NO_RESUMED
98 struct target_waitstatus
100 enum target_waitkind kind;
102 /* Additional information about the event. */
109 /* Forked child pid */
112 char *execd_pathname;
120 /* Return a pretty printed form of target_waitstatus.
121 Space for the result is malloc'd, caller must free. */
122 extern char *target_waitstatus_to_string (const struct target_waitstatus *);
124 #endif /* WAITSTATUS_H */