1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * This file is subject to the terms and conditions of the GNU General Public 4 * License. See the file "COPYING" in the main directory of this archive 5 * for more details. 6 * 7 * Copyright (C) 1998, 1999, 2001, 2003 Ralf Baechle 8 * Copyright (C) 2000, 2001 Silicon Graphics, Inc. 9 */ 10 #ifndef _UAPI_ASM_SIGINFO_H 11 #define _UAPI_ASM_SIGINFO_H 12 13 14 #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int)) 15 #undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */ 16 17 #define HAVE_ARCH_SIGINFO_T 18 19 /* 20 * Careful to keep union _sifields from shifting ... 21 */ 22 #if _MIPS_SZLONG == 32 23 #define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int)) 24 #elif _MIPS_SZLONG == 64 25 #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) 26 #else 27 #error _MIPS_SZLONG neither 32 nor 64 28 #endif 29 30 #define __ARCH_SIGSYS 31 32 #include <asm-generic/siginfo.h> 33 34 /* We can't use generic siginfo_t, because our si_code and si_errno are swapped */ 35 typedef struct siginfo { 36 int si_signo; 37 int si_code; 38 int si_errno; 39 int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3]; 40 41 union { 42 int _pad[SI_PAD_SIZE]; 43 44 /* kill() */ 45 struct { 46 __kernel_pid_t _pid; /* sender's pid */ 47 __ARCH_SI_UID_T _uid; /* sender's uid */ 48 } _kill; 49 50 /* POSIX.1b timers */ 51 struct { 52 __kernel_timer_t _tid; /* timer id */ 53 int _overrun; /* overrun count */ 54 char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)]; 55 sigval_t _sigval; /* same as below */ 56 int _sys_private; /* not to be passed to user */ 57 } _timer; 58 59 /* POSIX.1b signals */ 60 struct { 61 __kernel_pid_t _pid; /* sender's pid */ 62 __ARCH_SI_UID_T _uid; /* sender's uid */ 63 sigval_t _sigval; 64 } _rt; 65 66 /* SIGCHLD */ 67 struct { 68 __kernel_pid_t _pid; /* which child */ 69 __ARCH_SI_UID_T _uid; /* sender's uid */ 70 int _status; /* exit code */ 71 __kernel_clock_t _utime; 72 __kernel_clock_t _stime; 73 } _sigchld; 74 75 /* IRIX SIGCHLD */ 76 struct { 77 __kernel_pid_t _pid; /* which child */ 78 __kernel_clock_t _utime; 79 int _status; /* exit code */ 80 __kernel_clock_t _stime; 81 } _irix_sigchld; 82 83 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ 84 struct { 85 void __user *_addr; /* faulting insn/memory ref. */ 86 #ifdef __ARCH_SI_TRAPNO 87 int _trapno; /* TRAP # which caused the signal */ 88 #endif 89 short _addr_lsb; 90 union { 91 /* used when si_code=SEGV_BNDERR */ 92 struct { 93 void __user *_lower; 94 void __user *_upper; 95 } _addr_bnd; 96 /* used when si_code=SEGV_PKUERR */ 97 __u32 _pkey; 98 }; 99 } _sigfault; 100 101 /* SIGPOLL, SIGXFSZ (To do ...) */ 102 struct { 103 __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */ 104 int _fd; 105 } _sigpoll; 106 107 /* SIGSYS */ 108 struct { 109 void __user *_call_addr; /* calling user insn */ 110 int _syscall; /* triggering system call number */ 111 unsigned int _arch; /* AUDIT_ARCH_* of syscall */ 112 } _sigsys; 113 } _sifields; 114 } siginfo_t; 115 116 /* 117 * si_code values 118 * Again these have been chosen to be IRIX compatible. 119 */ 120 #undef SI_ASYNCIO 121 #undef SI_TIMER 122 #undef SI_MESGQ 123 #define SI_ASYNCIO -2 /* sent by AIO completion */ 124 #define SI_TIMER -3 /* sent by timer expiration */ 125 #define SI_MESGQ -4 /* sent by real time mesq state change */ 126 127 #endif /* _UAPI_ASM_SIGINFO_H */ 128
