1/* Target signal numbers for GDB and the GDB remote protocol.
2   Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
3   1998, 1999, 2000, 2001, 2002, 2007 Free Software Foundation, Inc.
4
5   This file is part of GDB.
6
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.
11
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.
16
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/>.  */
19
20#ifndef GDB_SIGNALS_H
21#define GDB_SIGNALS_H
22
23/* The numbering of these signals is chosen to match traditional unix
24   signals (insofar as various unices use the same numbers, anyway).
25   It is also the numbering of the GDB remote protocol.  Other remote
26   protocols, if they use a different numbering, should make sure to
27   translate appropriately.
28
29   Since these numbers have actually made it out into other software
30   (stubs, etc.), you mustn't disturb the assigned numbering.  If you
31   need to add new signals here, add them to the end of the explicitly
32   numbered signals, at the comment marker.  Add them unconditionally,
33   not within any #if or #ifdef.
34
35   This is based strongly on Unix/POSIX signals for several reasons:
36   (1) This set of signals represents a widely-accepted attempt to
37   represent events of this sort in a portable fashion, (2) we want a
38   signal to make it from wait to child_wait to the user intact, (3) many
39   remote protocols use a similar encoding.  However, it is
40   recognized that this set of signals has limitations (such as not
41   distinguishing between various kinds of SIGSEGV, or not
42   distinguishing hitting a breakpoint from finishing a single step).
43   So in the future we may get around this either by adding additional
44   signals for breakpoint, single-step, etc., or by adding signal
45   codes; the latter seems more in the spirit of what BSD, System V,
46   etc. are doing to address these issues.  */
47
48/* For an explanation of what each signal means, see
49   target_signal_to_string.  */
50
51enum target_signal
52  {
53    /* Used some places (e.g. stop_signal) to record the concept that
54       there is no signal.  */
55    TARGET_SIGNAL_0 = 0,
56    TARGET_SIGNAL_FIRST = 0,
57    TARGET_SIGNAL_HUP = 1,
58    TARGET_SIGNAL_INT = 2,
59    TARGET_SIGNAL_QUIT = 3,
60    TARGET_SIGNAL_ILL = 4,
61    TARGET_SIGNAL_TRAP = 5,
62    TARGET_SIGNAL_ABRT = 6,
63    TARGET_SIGNAL_EMT = 7,
64    TARGET_SIGNAL_FPE = 8,
65    TARGET_SIGNAL_KILL = 9,
66    TARGET_SIGNAL_BUS = 10,
67    TARGET_SIGNAL_SEGV = 11,
68    TARGET_SIGNAL_SYS = 12,
69    TARGET_SIGNAL_PIPE = 13,
70    TARGET_SIGNAL_ALRM = 14,
71    TARGET_SIGNAL_TERM = 15,
72    TARGET_SIGNAL_URG = 16,
73    TARGET_SIGNAL_STOP = 17,
74    TARGET_SIGNAL_TSTP = 18,
75    TARGET_SIGNAL_CONT = 19,
76    TARGET_SIGNAL_CHLD = 20,
77    TARGET_SIGNAL_TTIN = 21,
78    TARGET_SIGNAL_TTOU = 22,
79    TARGET_SIGNAL_IO = 23,
80    TARGET_SIGNAL_XCPU = 24,
81    TARGET_SIGNAL_XFSZ = 25,
82    TARGET_SIGNAL_VTALRM = 26,
83    TARGET_SIGNAL_PROF = 27,
84    TARGET_SIGNAL_WINCH = 28,
85    TARGET_SIGNAL_LOST = 29,
86    TARGET_SIGNAL_USR1 = 30,
87    TARGET_SIGNAL_USR2 = 31,
88    TARGET_SIGNAL_PWR = 32,
89    /* Similar to SIGIO.  Perhaps they should have the same number.  */
90    TARGET_SIGNAL_POLL = 33,
91    TARGET_SIGNAL_WIND = 34,
92    TARGET_SIGNAL_PHONE = 35,
93    TARGET_SIGNAL_WAITING = 36,
94    TARGET_SIGNAL_LWP = 37,
95    TARGET_SIGNAL_DANGER = 38,
96    TARGET_SIGNAL_GRANT = 39,
97    TARGET_SIGNAL_RETRACT = 40,
98    TARGET_SIGNAL_MSG = 41,
99    TARGET_SIGNAL_SOUND = 42,
100    TARGET_SIGNAL_SAK = 43,
101    TARGET_SIGNAL_PRIO = 44,
102    TARGET_SIGNAL_REALTIME_33 = 45,
103    TARGET_SIGNAL_REALTIME_34 = 46,
104    TARGET_SIGNAL_REALTIME_35 = 47,
105    TARGET_SIGNAL_REALTIME_36 = 48,
106    TARGET_SIGNAL_REALTIME_37 = 49,
107    TARGET_SIGNAL_REALTIME_38 = 50,
108    TARGET_SIGNAL_REALTIME_39 = 51,
109    TARGET_SIGNAL_REALTIME_40 = 52,
110    TARGET_SIGNAL_REALTIME_41 = 53,
111    TARGET_SIGNAL_REALTIME_42 = 54,
112    TARGET_SIGNAL_REALTIME_43 = 55,
113    TARGET_SIGNAL_REALTIME_44 = 56,
114    TARGET_SIGNAL_REALTIME_45 = 57,
115    TARGET_SIGNAL_REALTIME_46 = 58,
116    TARGET_SIGNAL_REALTIME_47 = 59,
117    TARGET_SIGNAL_REALTIME_48 = 60,
118    TARGET_SIGNAL_REALTIME_49 = 61,
119    TARGET_SIGNAL_REALTIME_50 = 62,
120    TARGET_SIGNAL_REALTIME_51 = 63,
121    TARGET_SIGNAL_REALTIME_52 = 64,
122    TARGET_SIGNAL_REALTIME_53 = 65,
123    TARGET_SIGNAL_REALTIME_54 = 66,
124    TARGET_SIGNAL_REALTIME_55 = 67,
125    TARGET_SIGNAL_REALTIME_56 = 68,
126    TARGET_SIGNAL_REALTIME_57 = 69,
127    TARGET_SIGNAL_REALTIME_58 = 70,
128    TARGET_SIGNAL_REALTIME_59 = 71,
129    TARGET_SIGNAL_REALTIME_60 = 72,
130    TARGET_SIGNAL_REALTIME_61 = 73,
131    TARGET_SIGNAL_REALTIME_62 = 74,
132    TARGET_SIGNAL_REALTIME_63 = 75,
133
134    /* Used internally by Solaris threads.  See signal(5) on Solaris.  */
135    TARGET_SIGNAL_CANCEL = 76,
136
137    /* Yes, this pains me, too.  But LynxOS didn't have SIG32, and now
138       GNU/Linux does, and we can't disturb the numbering, since it's
139       part of the remote protocol.  Note that in some GDB's
140       TARGET_SIGNAL_REALTIME_32 is number 76.  */
141    TARGET_SIGNAL_REALTIME_32,
142    /* Yet another pain, IRIX 6 has SIG64. */
143    TARGET_SIGNAL_REALTIME_64,
144    /* Yet another pain, GNU/Linux MIPS might go up to 128. */
145    TARGET_SIGNAL_REALTIME_65,
146    TARGET_SIGNAL_REALTIME_66,
147    TARGET_SIGNAL_REALTIME_67,
148    TARGET_SIGNAL_REALTIME_68,
149    TARGET_SIGNAL_REALTIME_69,
150    TARGET_SIGNAL_REALTIME_70,
151    TARGET_SIGNAL_REALTIME_71,
152    TARGET_SIGNAL_REALTIME_72,
153    TARGET_SIGNAL_REALTIME_73,
154    TARGET_SIGNAL_REALTIME_74,
155    TARGET_SIGNAL_REALTIME_75,
156    TARGET_SIGNAL_REALTIME_76,
157    TARGET_SIGNAL_REALTIME_77,
158    TARGET_SIGNAL_REALTIME_78,
159    TARGET_SIGNAL_REALTIME_79,
160    TARGET_SIGNAL_REALTIME_80,
161    TARGET_SIGNAL_REALTIME_81,
162    TARGET_SIGNAL_REALTIME_82,
163    TARGET_SIGNAL_REALTIME_83,
164    TARGET_SIGNAL_REALTIME_84,
165    TARGET_SIGNAL_REALTIME_85,
166    TARGET_SIGNAL_REALTIME_86,
167    TARGET_SIGNAL_REALTIME_87,
168    TARGET_SIGNAL_REALTIME_88,
169    TARGET_SIGNAL_REALTIME_89,
170    TARGET_SIGNAL_REALTIME_90,
171    TARGET_SIGNAL_REALTIME_91,
172    TARGET_SIGNAL_REALTIME_92,
173    TARGET_SIGNAL_REALTIME_93,
174    TARGET_SIGNAL_REALTIME_94,
175    TARGET_SIGNAL_REALTIME_95,
176    TARGET_SIGNAL_REALTIME_96,
177    TARGET_SIGNAL_REALTIME_97,
178    TARGET_SIGNAL_REALTIME_98,
179    TARGET_SIGNAL_REALTIME_99,
180    TARGET_SIGNAL_REALTIME_100,
181    TARGET_SIGNAL_REALTIME_101,
182    TARGET_SIGNAL_REALTIME_102,
183    TARGET_SIGNAL_REALTIME_103,
184    TARGET_SIGNAL_REALTIME_104,
185    TARGET_SIGNAL_REALTIME_105,
186    TARGET_SIGNAL_REALTIME_106,
187    TARGET_SIGNAL_REALTIME_107,
188    TARGET_SIGNAL_REALTIME_108,
189    TARGET_SIGNAL_REALTIME_109,
190    TARGET_SIGNAL_REALTIME_110,
191    TARGET_SIGNAL_REALTIME_111,
192    TARGET_SIGNAL_REALTIME_112,
193    TARGET_SIGNAL_REALTIME_113,
194    TARGET_SIGNAL_REALTIME_114,
195    TARGET_SIGNAL_REALTIME_115,
196    TARGET_SIGNAL_REALTIME_116,
197    TARGET_SIGNAL_REALTIME_117,
198    TARGET_SIGNAL_REALTIME_118,
199    TARGET_SIGNAL_REALTIME_119,
200    TARGET_SIGNAL_REALTIME_120,
201    TARGET_SIGNAL_REALTIME_121,
202    TARGET_SIGNAL_REALTIME_122,
203    TARGET_SIGNAL_REALTIME_123,
204    TARGET_SIGNAL_REALTIME_124,
205    TARGET_SIGNAL_REALTIME_125,
206    TARGET_SIGNAL_REALTIME_126,
207    TARGET_SIGNAL_REALTIME_127,
208
209    TARGET_SIGNAL_INFO,
210
211    /* Some signal we don't know about.  */
212    TARGET_SIGNAL_UNKNOWN,
213
214    /* Use whatever signal we use when one is not specifically specified
215       (for passing to proceed and so on).  */
216    TARGET_SIGNAL_DEFAULT,
217
218    /* Mach exceptions.  In versions of GDB before 5.2, these were just before
219       TARGET_SIGNAL_INFO if you were compiling on a Mach host (and missing
220       otherwise).  */
221    TARGET_EXC_BAD_ACCESS,
222    TARGET_EXC_BAD_INSTRUCTION,
223    TARGET_EXC_ARITHMETIC,
224    TARGET_EXC_EMULATION,
225    TARGET_EXC_SOFTWARE,
226    TARGET_EXC_BREAKPOINT,
227
228    /* If you are adding a new signal, add it just above this comment.  */
229
230    /* Last and unused enum value, for sizing arrays, etc.  */
231    TARGET_SIGNAL_LAST
232  };
233
234#endif /* #ifndef GDB_SIGNALS_H */
235