arch/mips/include/uapi/asm/siginfo.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 1998, 1999, 2001, 2003 Ralf Baechle
   7  * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
   8  */
   9 #ifndef _UAPI_ASM_SIGINFO_H
  10 #define _UAPI_ASM_SIGINFO_H
  11
  12
  13 #define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
  14 #undef __ARCH_SI_TRAPNO /* exception code needs to fill this ...  */
  15
  16 #define HAVE_ARCH_SIGINFO_T
  17
  18 /*
  19  * Careful to keep union _sifields from shifting ...
  20  */
  21 #if _MIPS_SZLONG == 32
  22 #define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
  23 #elif _MIPS_SZLONG == 64
  24 #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
  25 #else
  26 #error _MIPS_SZLONG neither 32 nor 64
  27 #endif
  28
  29 #define __ARCH_SIGSYS
  30
  31 #include <asm-generic/siginfo.h>
  32
  33 /* We can't use generic siginfo_t, because our si_code and si_errno are swapped */
  34 typedef struct siginfo {
  35         int si_signo;
  36         int si_code;
  37         int si_errno;
  38         int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
  39
  40         union {
  41                 int _pad[SI_PAD_SIZE];
  42
  43                 /* kill() */
  44                 struct {
  45                         __kernel_pid_t _pid;    /* sender's pid */
  46                         __ARCH_SI_UID_T _uid;   /* sender's uid */
  47                 } _kill;
  48
  49                 /* POSIX.1b timers */
  50                 struct {
  51                         __kernel_timer_t _tid;  /* timer id */
  52                         int _overrun;           /* overrun count */
  53                         char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
  54                         sigval_t _sigval;       /* same as below */
  55                         int _sys_private;       /* not to be passed to user */
  56                 } _timer;
  57
  58                 /* POSIX.1b signals */
  59                 struct {
  60                         __kernel_pid_t _pid;    /* sender's pid */
  61                         __ARCH_SI_UID_T _uid;   /* sender's uid */
  62                         sigval_t _sigval;
  63                 } _rt;
  64
  65                 /* SIGCHLD */
  66                 struct {
  67                         __kernel_pid_t _pid;    /* which child */
  68                         __ARCH_SI_UID_T _uid;   /* sender's uid */
  69                         int _status;            /* exit code */
  70                         __kernel_clock_t _utime;
  71                         __kernel_clock_t _stime;
  72                 } _sigchld;
  73
  74                 /* IRIX SIGCHLD */
  75                 struct {
  76                         __kernel_pid_t _pid;    /* which child */
  77                         __kernel_clock_t _utime;
  78                         int _status;            /* exit code */
  79                         __kernel_clock_t _stime;
  80                 } _irix_sigchld;
  81
  82                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
  83                 struct {
  84                         void __user *_addr; /* faulting insn/memory ref. */
  85 #ifdef __ARCH_SI_TRAPNO
  86                         int _trapno;    /* TRAP # which caused the signal */
  87 #endif
  88                         short _addr_lsb;
  89                         union {
  90                                 /* used when si_code=SEGV_BNDERR */
  91                                 struct {
  92                                         void __user *_lower;
  93                                         void __user *_upper;
  94                                 } _addr_bnd;
  95                                 /* used when si_code=SEGV_PKUERR */
  96                                 __u32 _pkey;
  97                         };
  98                 } _sigfault;
  99
 100                 /* SIGPOLL, SIGXFSZ (To do ...)  */
 101                 struct {
 102                         __ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
 103                         int _fd;
 104                 } _sigpoll;
 105
 106                 /* SIGSYS */
 107                 struct {
 108                         void __user *_call_addr; /* calling user insn */
 109                         int _syscall;   /* triggering system call number */
 110                         unsigned int _arch;     /* AUDIT_ARCH_* of syscall */
 111                 } _sigsys;
 112         } _sifields;
 113 } siginfo_t;
 114
 115 /*
 116  * si_code values
 117  * Again these have been chosen to be IRIX compatible.
 118  */
 119 #undef SI_ASYNCIO
 120 #undef SI_TIMER
 121 #undef SI_MESGQ
 122 #define SI_ASYNCIO      -2      /* sent by AIO completion */
 123 #define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
 124 #define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */
 125
 126 /*
 127  * SIGFPE si_codes
 128  */
 129 #ifdef __KERNEL__
 130 #define FPE_FIXME       (__SI_FAULT|0)  /* Broken dup of SI_USER */
 131 #endif /* __KERNEL__ */
 132
 133 #endif /* _UAPI_ASM_SIGINFO_H */