1 /* $NetBSD: linux_siginfo.h,v 1.1 2021/09/23 06:56:27 ryo Exp $ */ 2 3 /*- 4 * Copyright (c) 2021 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _AARCH64_LINUX_SIGINFO_H 30 #define _AARCH64_LINUX_SIGINFO_H 31 32 #define LINUX___ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) 33 #define LINUX_SI_MAX_SIZE 128 34 #define LINUX_SI_PAD_SIZE \ 35 ((LINUX_SI_MAX_SIZE - LINUX___ARCH_SI_PREAMBLE_SIZE) / sizeof(int)) 36 37 typedef union linux_sigval { 38 int sival_int; 39 void *sival_ptr; 40 } linux_sigval_t; 41 42 typedef struct linux_siginfo { 43 int lsi_signo; 44 int lsi_errno; 45 int lsi_code; 46 union { 47 int _pad[LINUX_SI_PAD_SIZE]; 48 49 /* kill() */ 50 struct { 51 linux_pid_t _pid; 52 linux_uid_t _uid; 53 } _kill; 54 55 /* POSIX.1b signals */ 56 struct { 57 linux_pid_t _pid; 58 linux_uid_t _uid; 59 linux_sigval_t _sigval; 60 } _rt; 61 62 /* POSIX.1b timers */ 63 struct { 64 linux_timer_t _tid; 65 int _overrun; 66 char _pad[sizeof(linux_uid_t) - sizeof(int)]; 67 linux_sigval_t _sigval; 68 int _sys_private; 69 } _timer; 70 71 /* SIGCHLD */ 72 struct { 73 linux_pid_t _pid; 74 linux_uid_t _uid; 75 int _status; 76 linux_clock_t _utime; 77 linux_clock_t _stime; 78 } _sigchld; 79 80 /* SIGPOLL */ 81 struct { 82 long _band; 83 int _fd; 84 } _sigpoll; 85 86 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGTRAP, SIGEMT */ 87 struct { 88 void *_addr; 89 #define __ADDR_BND_PKEY_PAD \ 90 (__alignof__(void *) < sizeof(short) ? sizeof(short) : __alignof__(void *)) 91 union { 92 short _addr_lsb; 93 struct { 94 char _dummy_bnd[__ADDR_BND_PKEY_PAD]; 95 void *_lower; 96 void *_upper; 97 } _addr_bnd; 98 struct { 99 char _dummy_pkey[__ADDR_BND_PKEY_PAD]; 100 uint32_t _pkey; 101 } _addr_pkey; 102 }; 103 } _sigfault; 104 } _sidata; 105 } linux_siginfo_t; 106 107 #endif /* !_AARCH64_LINUX_SIGINFO_H */ 108