1/* Target signal numbers for GDB and the GDB remote protocol.
2   Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
3   1997, 1998, 1999, 2000, 2001, 2002
4   Free Software Foundation, Inc.
5
6   This file is part of GDB.
7
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 2 of the License, or
11   (at your option) any later version.
12
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.
17
18   You should have received a copy of the GNU General Public License
19   along with this program; if not, write to the Free Software
20   Foundation, Inc., 59 Temple Place - Suite 330,
21   Boston, MA 02111-1307, USA.  */
22
23#ifndef GDB_SIGNALS_H
24#define GDB_SIGNALS_H
25
26/* The numbering of these signals is chosen to match traditional unix
27   signals (insofar as various unices use the same numbers, anyway).
28   It is also the numbering of the GDB remote protocol.  Other remote
29   protocols, if they use a different numbering, should make sure to
30   translate appropriately.
31
32   Since these numbers have actually made it out into other software
33   (stubs, etc.), you mustn't disturb the assigned numbering.  If you
34   need to add new signals here, add them to the end of the explicitly
35   numbered signals, at the comment marker.  Add them unconditionally,
36   not within any #if or #ifdef.
37
38   This is based strongly on Unix/POSIX signals for several reasons:
39   (1) This set of signals represents a widely-accepted attempt to
40   represent events of this sort in a portable fashion, (2) we want a
41   signal to make it from wait to child_wait to the user intact, (3) many
42   remote protocols use a similar encoding.  However, it is
43   recognized that this set of signals has limitations (such as not
44   distinguishing between various kinds of SIGSEGV, or not
45   distinguishing hitting a breakpoint from finishing a single step).
46   So in the future we may get around this either by adding additional
47   signals for breakpoint, single-step, etc., or by adding signal
48   codes; the latter seems more in the spirit of what BSD, System V,
49   etc. are doing to address these issues.  */
50
51/* For an explanation of what each signal means, see
52   target_signal_to_string.  */
53
54enum target_signal
55  {
56    /* Used some places (e.g. stop_signal) to record the concept that
57       there is no signal.  */
58    TARGET_SIGNAL_0 = 0,
59    TARGET_SIGNAL_FIRST = 0,
60    TARGET_SIGNAL_HUP = 1,
61    TARGET_SIGNAL_INT = 2,
62    TARGET_SIGNAL_QUIT = 3,
63    TARGET_SIGNAL_ILL = 4,
64    TARGET_SIGNAL_TRAP = 5,
65    TARGET_SIGNAL_ABRT = 6,
66    TARGET_SIGNAL_EMT = 7,
67    TARGET_SIGNAL_FPE = 8,
68    TARGET_SIGNAL_KILL = 9,
69    TARGET_SIGNAL_BUS = 10,
70    TARGET_SIGNAL_SEGV = 11,
71    TARGET_SIGNAL_SYS = 12,
72    TARGET_SIGNAL_PIPE = 13,
73    TARGET_SIGNAL_ALRM = 14,
74    TARGET_SIGNAL_TERM = 15,
75    TARGET_SIGNAL_URG = 16,
76    TARGET_SIGNAL_STOP = 17,
77    TARGET_SIGNAL_TSTP = 18,
78    TARGET_SIGNAL_CONT = 19,
79    TARGET_SIGNAL_CHLD = 20,
80    TARGET_SIGNAL_TTIN = 21,
81    TARGET_SIGNAL_TTOU = 22,
82    TARGET_SIGNAL_IO = 23,
83    TARGET_SIGNAL_XCPU = 24,
84    TARGET_SIGNAL_XFSZ = 25,
85    TARGET_SIGNAL_VTALRM = 26,
86    TARGET_SIGNAL_PROF = 27,
87    TARGET_SIGNAL_WINCH = 28,
88    TARGET_SIGNAL_LOST = 29,
89    TARGET_SIGNAL_USR1 = 30,
90    TARGET_SIGNAL_USR2 = 31,
91    TARGET_SIGNAL_PWR = 32,
92    /* Similar to SIGIO.  Perhaps they should have the same number.  */
93    TARGET_SIGNAL_POLL = 33,
94    TARGET_SIGNAL_WIND = 34,
95    TARGET_SIGNAL_PHONE = 35,
96    TARGET_SIGNAL_WAITING = 36,
97    TARGET_SIGNAL_LWP = 37,
98    TARGET_SIGNAL_DANGER = 38,
99    TARGET_SIGNAL_GRANT = 39,
100    TARGET_SIGNAL_RETRACT = 40,
101    TARGET_SIGNAL_MSG = 41,
102    TARGET_SIGNAL_SOUND = 42,
103    TARGET_SIGNAL_SAK = 43,
104    TARGET_SIGNAL_PRIO = 44,
105    TARGET_SIGNAL_REALTIME_33 = 45,
106    TARGET_SIGNAL_REALTIME_34 = 46,
107    TARGET_SIGNAL_REALTIME_35 = 47,
108    TARGET_SIGNAL_REALTIME_36 = 48,
109    TARGET_SIGNAL_REALTIME_37 = 49,
110    TARGET_SIGNAL_REALTIME_38 = 50,
111    TARGET_SIGNAL_REALTIME_39 = 51,
112    TARGET_SIGNAL_REALTIME_40 = 52,
113    TARGET_SIGNAL_REALTIME_41 = 53,
114    TARGET_SIGNAL_REALTIME_42 = 54,
115    TARGET_SIGNAL_REALTIME_43 = 55,
116    TARGET_SIGNAL_REALTIME_44 = 56,
117    TARGET_SIGNAL_REALTIME_45 = 57,
118    TARGET_SIGNAL_REALTIME_46 = 58,
119    TARGET_SIGNAL_REALTIME_47 = 59,
120    TARGET_SIGNAL_REALTIME_48 = 60,
121    TARGET_SIGNAL_REALTIME_49 = 61,
122    TARGET_SIGNAL_REALTIME_50 = 62,
123    TARGET_SIGNAL_REALTIME_51 = 63,
124    TARGET_SIGNAL_REALTIME_52 = 64,
125    TARGET_SIGNAL_REALTIME_53 = 65,
126    TARGET_SIGNAL_REALTIME_54 = 66,
127    TARGET_SIGNAL_REALTIME_55 = 67,
128    TARGET_SIGNAL_REALTIME_56 = 68,
129    TARGET_SIGNAL_REALTIME_57 = 69,
130    TARGET_SIGNAL_REALTIME_58 = 70,
131    TARGET_SIGNAL_REALTIME_59 = 71,
132    TARGET_SIGNAL_REALTIME_60 = 72,
133    TARGET_SIGNAL_REALTIME_61 = 73,
134    TARGET_SIGNAL_REALTIME_62 = 74,
135    TARGET_SIGNAL_REALTIME_63 = 75,
136
137    /* Used internally by Solaris threads.  See signal(5) on Solaris.  */
138    TARGET_SIGNAL_CANCEL = 76,
139
140    /* Yes, this pains me, too.  But LynxOS didn't have SIG32, and now
141       GNU/Linux does, and we can't disturb the numbering, since it's
142       part of the remote protocol.  Note that in some GDB's
143       TARGET_SIGNAL_REALTIME_32 is number 76.  */
144    TARGET_SIGNAL_REALTIME_32,
145    /* Yet another pain, IRIX 6 has SIG64. */
146    TARGET_SIGNAL_REALTIME_64,
147    /* Yet another pain, GNU/Linux MIPS might go up to 128. */
148    TARGET_SIGNAL_REALTIME_65,
149    TARGET_SIGNAL_REALTIME_66,
150    TARGET_SIGNAL_REALTIME_67,
151    TARGET_SIGNAL_REALTIME_68,
152    TARGET_SIGNAL_REALTIME_69,
153    TARGET_SIGNAL_REALTIME_70,
154    TARGET_SIGNAL_REALTIME_71,
155    TARGET_SIGNAL_REALTIME_72,
156    TARGET_SIGNAL_REALTIME_73,
157    TARGET_SIGNAL_REALTIME_74,
158    TARGET_SIGNAL_REALTIME_75,
159    TARGET_SIGNAL_REALTIME_76,
160    TARGET_SIGNAL_REALTIME_77,
161    TARGET_SIGNAL_REALTIME_78,
162    TARGET_SIGNAL_REALTIME_79,
163    TARGET_SIGNAL_REALTIME_80,
164    TARGET_SIGNAL_REALTIME_81,
165    TARGET_SIGNAL_REALTIME_82,
166    TARGET_SIGNAL_REALTIME_83,
167    TARGET_SIGNAL_REALTIME_84,
168    TARGET_SIGNAL_REALTIME_85,
169    TARGET_SIGNAL_REALTIME_86,
170    TARGET_SIGNAL_REALTIME_87,
171    TARGET_SIGNAL_REALTIME_88,
172    TARGET_SIGNAL_REALTIME_89,
173    TARGET_SIGNAL_REALTIME_90,
174    TARGET_SIGNAL_REALTIME_91,
175    TARGET_SIGNAL_REALTIME_92,
176    TARGET_SIGNAL_REALTIME_93,
177    TARGET_SIGNAL_REALTIME_94,
178    TARGET_SIGNAL_REALTIME_95,
179    TARGET_SIGNAL_REALTIME_96,
180    TARGET_SIGNAL_REALTIME_97,
181    TARGET_SIGNAL_REALTIME_98,
182    TARGET_SIGNAL_REALTIME_99,
183    TARGET_SIGNAL_REALTIME_100,
184    TARGET_SIGNAL_REALTIME_101,
185    TARGET_SIGNAL_REALTIME_102,
186    TARGET_SIGNAL_REALTIME_103,
187    TARGET_SIGNAL_REALTIME_104,
188    TARGET_SIGNAL_REALTIME_105,
189    TARGET_SIGNAL_REALTIME_106,
190    TARGET_SIGNAL_REALTIME_107,
191    TARGET_SIGNAL_REALTIME_108,
192    TARGET_SIGNAL_REALTIME_109,
193    TARGET_SIGNAL_REALTIME_110,
194    TARGET_SIGNAL_REALTIME_111,
195    TARGET_SIGNAL_REALTIME_112,
196    TARGET_SIGNAL_REALTIME_113,
197    TARGET_SIGNAL_REALTIME_114,
198    TARGET_SIGNAL_REALTIME_115,
199    TARGET_SIGNAL_REALTIME_116,
200    TARGET_SIGNAL_REALTIME_117,
201    TARGET_SIGNAL_REALTIME_118,
202    TARGET_SIGNAL_REALTIME_119,
203    TARGET_SIGNAL_REALTIME_120,
204    TARGET_SIGNAL_REALTIME_121,
205    TARGET_SIGNAL_REALTIME_122,
206    TARGET_SIGNAL_REALTIME_123,
207    TARGET_SIGNAL_REALTIME_124,
208    TARGET_SIGNAL_REALTIME_125,
209    TARGET_SIGNAL_REALTIME_126,
210    TARGET_SIGNAL_REALTIME_127,
211
212    TARGET_SIGNAL_INFO,
213
214    /* Some signal we don't know about.  */
215    TARGET_SIGNAL_UNKNOWN,
216
217    /* Use whatever signal we use when one is not specifically specified
218       (for passing to proceed and so on).  */
219    TARGET_SIGNAL_DEFAULT,
220
221    /* Mach exceptions.  In versions of GDB before 5.2, these were just before
222       TARGET_SIGNAL_INFO if you were compiling on a Mach host (and missing
223       otherwise).  */
224    TARGET_EXC_BAD_ACCESS,
225    TARGET_EXC_BAD_INSTRUCTION,
226    TARGET_EXC_ARITHMETIC,
227    TARGET_EXC_EMULATION,
228    TARGET_EXC_SOFTWARE,
229    TARGET_EXC_BREAKPOINT,
230
231    /* If you are adding a new signal, add it just above this comment.  */
232
233    /* Last and unused enum value, for sizing arrays, etc.  */
234    TARGET_SIGNAL_LAST
235  };
236
237#endif /* #ifndef GDB_SIGNALS_H */
238