1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2004 Tim J. Robbins
5 * Copyright (c) 2001 Doug Rabson
6 * Copyright (c) 1994-1996 Søren Schmidt
7 * All rights reserved.
8 * Copyright (c) 2022 Dmitry Chagin <dchagin@FreeBSD.org>
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer
15 * in this position and unchanged.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 * $FreeBSD$
34 */
35
36 #ifndef _LINUX_SIGINFO_H_
37 #define _LINUX_SIGINFO_H_
38
39 /*
40 * si_code values
41 */
42 #define LINUX_SI_USER 0 /* sent by kill, sigsend, raise */
43 #define LINUX_SI_KERNEL 0x80 /* sent by the kernel from somewhere */
44 #define LINUX_SI_QUEUE -1 /* sent by sigqueue */
45 #define LINUX_SI_TIMER -2 /* sent by timer expiration */
46 #define LINUX_SI_MESGQ -3 /* sent by real time mesq state change */
47 #define LINUX_SI_ASYNCIO -4 /* sent by AIO completion */
48 #define LINUX_SI_SIGIO -5 /* sent by queued SIGIO */
49 #define LINUX_SI_TKILL -6 /* sent by tkill system call */
50
51 /*
52 * SIGILL si_codes
53 */
54 #define LINUX_ILL_ILLOPC 1 /* illegal opcode */
55 #define LINUX_ILL_ILLOPN 2 /* illegal operand */
56 #define LINUX_ILL_ILLADR 3 /* illegal addressing mode */
57 #define LINUX_ILL_ILLTRP 4 /* illegal trap */
58 #define LINUX_ILL_PRVOPC 5 /* privileged opcode */
59 #define LINUX_ILL_PRVREG 6 /* privileged register */
60 #define LINUX_ILL_COPROC 7 /* coprocessor error */
61 #define LINUX_ILL_BADSTK 8 /* internal stack error */
62 #define LINUX_ILL_BADIADDR 9 /* unimplemented instruction address */
63 #define LINUX___ILL_BREAK 10 /* (ia64) illegal break */
64 #define LINUX___ILL_BNDMOD 11 /* (ia64) bundle-update (modification)
65 * in progress
66 */
67
68 /*
69 * SIGFPE si_codes
70 */
71 #define LINUX_FPE_INTDIV 1 /* integer divide by zero */
72 #define LINUX_FPE_INTOVF 2 /* integer overflow */
73 #define LINUX_FPE_FLTDIV 3 /* floating point divide by zero */
74 #define LINUX_FPE_FLTOVF 4 /* floating point overflow */
75 #define LINUX_FPE_FLTUND 5 /* floating point underflow */
76 #define LINUX_FPE_FLTRES 6 /* floating point inexact result */
77 #define LINUX_FPE_FLTINV 7 /* floating point invalid operation */
78 #define LINUX_FPE_FLTSUB 8 /* (ia64) subscript out of range */
79 #define LINUX___FPE_DECOVF 9 /* (ia64) decimal overflow */
80 #define LINUX___FPE_DECDIV 10 /* (ia64) decimal division by zero */
81 #define LINUX___FPE_DECERR 11 /* (ia64) packed decimal error */
82 #define LINUX___FPE_INVASC 12 /* (ia64) invalid ASCII digit */
83 #define LINUX___FPE_INVDEC 13 /* (ia64) invalid decimal digit */
84 #define LINUX_FPE_FLTUNK 14 /* undiagnosed floating-point exception */
85 #define LINUX_FPE_CONDTRAP 15 /* trap on condition */
86
87 /*
88 * SIGSEGV si_codes
89 */
90 #define LINUX_SEGV_MAPERR 1 /* address not mapped to object */
91 #define LINUX_SEGV_ACCERR 2 /* invalid permissions for mapped object */
92 #define LINUX_SEGV_BNDERR 3 /* failed address bound checks */
93 #ifdef __ia64__
94 #define LINUX___SEGV_PSTKOVF 4 /* paragraph stack overflow */
95 #else
96 #define LINUX_SEGV_PKUERR 4 /* failed protection key checks */
97 #endif
98 #define LINUX_SEGV_ACCADI 5 /* ADI not enabled for mapped object */
99 #define LINUX_SEGV_ADIDERR 6 /* Disrupting MCD error */
100 #define LINUX_SEGV_ADIPERR 7 /* Precise MCD exception */
101 #define LINUX_SEGV_MTEAERR 8 /* Asynchronous ARM MTE error */
102 #define LINUX_SEGV_MTESERR 9 /* Synchronous ARM MTE exception */
103
104 /*
105 * SIGBUS si_codes
106 */
107 #define LINUX_BUS_ADRALN 1 /* invalid address alignment */
108 #define LINUX_BUS_ADRERR 2 /* non-existent physical address */
109 #define LINUX_BUS_OBJERR 3 /* object specific hardware error */
110
111 #define LINUX_BUS_MCEERR_AR 4 /* hardware memory error consumed
112 * on a machine check:
113 * action required
114 */
115 #define LINUX_BUS_MCEERR_AO 5 /* hardware memory error detected
116 * in process but not consumed:
117 * action optional
118 */
119
120 /*
121 * SIGTRAP si_codes
122 */
123 #define LINUX_TRAP_BRKPT 1 /* process breakpoint */
124 #define LINUX_TRAP_TRACE 2 /* process trace trap */
125 #define LINUX_TRAP_BRANCH 3 /* process taken branch trap */
126 #define LINUX_TRAP_HWBKPT 4 /* hardware breakpoint/watchpoint */
127 #define LINUX_TRAP_UNK 5 /* undiagnosed trap */
128 #define LINUX_TRAP_PERF 6 /* perf event with sigtrap=1 */
129
130 /*
131 * SIGCHLD si_codes
132 */
133 #define LINUX_CLD_EXITED 1 /* child has exited */
134 #define LINUX_CLD_KILLED 2 /* child was killed */
135 #define LINUX_CLD_DUMPED 3 /* child terminated abnormally */
136 #define LINUX_CLD_TRAPPED 4 /* traced child has trapped */
137 #define LINUX_CLD_STOPPED 5 /* child has stopped */
138 #define LINUX_CLD_CONTINUED 6 /* stopped child has continued */
139
140 /*
141 * SIGPOLL (or any other signal without signal specific si_codes) si_codes
142 */
143 #define LINUX_POLL_IN 1 /* data input available */
144 #define LINUX_POLL_OUT 2 /* output buffers available */
145 #define LINUX_POLL_MSG 3 /* input message available */
146 #define LINUX_POLL_ERR 4 /* i/o error */
147 #define LINUX_POLL_PRI 5 /* high priority input available */
148 #define LINUX_POLL_HUP 6 /* device disconnected */
149
150 /*
151 * SIGSYS si_codes
152 */
153 #define LINUX_SYS_SECCOMP 1 /* seccomp triggered */
154 #define LINUX_SYS_USER_DISPATCH 2 /* syscall user dispatch triggered */
155
156 /*
157 * SIGEMT si_codes
158 */
159 #define LINUX_EMT_TAGOVF 1 /* tag overflow */
160
161 typedef union l_sigval {
162 l_int sival_int;
163 l_uintptr_t sival_ptr;
164 } l_sigval_t;
165
166 #define LINUX_SI_MAX_SIZE 128
167
168 union __sifields {
169 struct {
170 l_pid_t _pid;
171 l_uid_t _uid;
172 } _kill;
173
174 struct {
175 l_timer_t _tid;
176 l_int _overrun;
177 char _pad[sizeof(l_uid_t) - sizeof(int)];
178 union l_sigval _sigval;
179 l_uint _sys_private;
180 } _timer;
181
182 struct {
183 l_pid_t _pid; /* sender's pid */
184 l_uid_t _uid; /* sender's uid */
185 union l_sigval _sigval;
186 } _rt;
187
188 struct {
189 l_pid_t _pid; /* which child */
190 l_uid_t _uid; /* sender's uid */
191 l_int _status; /* exit code */
192 l_clock_t _utime;
193 l_clock_t _stime;
194 } _sigchld;
195
196 struct {
197 l_uintptr_t _addr; /* Faulting insn/memory ref. */
198 } _sigfault;
199
200 struct {
201 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
202 l_int _fd;
203 } _sigpoll;
204 };
205
206 typedef struct l_siginfo {
207 union {
208 struct {
209 l_int lsi_signo;
210 l_int lsi_errno;
211 l_int lsi_code;
212 union __sifields _sifields;
213 };
214 l_int _pad[LINUX_SI_MAX_SIZE/sizeof(l_int)];
215 };
216 } l_siginfo_t;
217
218 _Static_assert(sizeof(l_siginfo_t) == LINUX_SI_MAX_SIZE, "l_siginfo_t size");
219
220 #define lsi_pid _sifields._kill._pid
221 #define lsi_uid _sifields._kill._uid
222 #define lsi_tid _sifields._timer._tid
223 #define lsi_overrun _sifields._timer._overrun
224 #define lsi_sys_private _sifields._timer._sys_private
225 #define lsi_status _sifields._sigchld._status
226 #define lsi_utime _sifields._sigchld._utime
227 #define lsi_stime _sifields._sigchld._stime
228 #define lsi_value _sifields._rt._sigval
229 #define lsi_int _sifields._rt._sigval.sival_int
230 #define lsi_ptr _sifields._rt._sigval.sival_ptr
231 #define lsi_addr _sifields._sigfault._addr
232 #define lsi_band _sifields._sigpoll._band
233 #define lsi_fd _sifields._sigpoll._fd
234
235 #endif /* _LINUX_SIGINFO_H_ */
236
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