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_ */ 236 237