include/asm-sparc64/siginfo.h

   1 #ifndef _SPARC64_SIGINFO_H
   2 #define _SPARC64_SIGINFO_H
   3
   4 #include <linux/types.h>
   5
   6 typedef union sigval {
   7         int sival_int;
   8         void *sival_ptr;
   9 } sigval_t;
  10
  11 #ifdef __KERNEL__
  12
  13 typedef union sigval32 {
  14         int sival_int;
  15         u32 sival_ptr;
  16 } sigval_t32;
  17
  18 #endif /* __KERNEL__ */
  19
  20 #define SI_MAX_SIZE     128
  21 #define SI_PAD_SIZE     ((SI_MAX_SIZE/sizeof(int)) - 4)
  22 #define SI_PAD_SIZE32   ((SI_MAX_SIZE/sizeof(int)) - 3)
  23
  24 typedef struct siginfo {
  25         int si_signo;
  26         int si_errno;
  27         int si_code;
  28
  29         union {
  30                 int _pad[SI_PAD_SIZE];
  31
  32                 /* kill() */
  33                 struct {
  34                         pid_t _pid;             /* sender's pid */
  35                         uid_t _uid;             /* sender's uid */
  36                 } _kill;
  37
  38                 /* POSIX.1b timers */
  39                 struct {
  40                         unsigned int _timer1;
  41                         unsigned int _timer2;
  42                 } _timer;
  43
  44                 /* POSIX.1b signals */
  45                 struct {
  46                         pid_t _pid;             /* sender's pid */
  47                         uid_t _uid;             /* sender's uid */
  48                         sigval_t _sigval;
  49                 } _rt;
  50
  51                 /* SIGCHLD */
  52                 struct {
  53                         pid_t _pid;             /* which child */
  54                         uid_t _uid;             /* sender's uid */
  55                         int _status;            /* exit code */
  56                         clock_t _utime;
  57                         clock_t _stime;
  58                 } _sigchld;
  59
  60                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
  61                 struct {
  62                         void *_addr; /* faulting insn/memory ref. */
  63                         int  _trapno; /* TRAP # which caused the signal */
  64                 } _sigfault;
  65
  66                 /* SIGPOLL */
  67                 struct {
  68                         long _band;     /* POLL_IN, POLL_OUT, POLL_MSG */
  69                         int _fd;
  70                 } _sigpoll;
  71         } _sifields;
  72 } siginfo_t;
  73
  74 #ifdef __KERNEL__
  75
  76 typedef struct siginfo32 {
  77         int si_signo;
  78         int si_errno;
  79         int si_code;
  80
  81         union {
  82                 int _pad[SI_PAD_SIZE32];
  83
  84                 /* kill() */
  85                 struct {
  86                         __kernel_pid_t32 _pid;          /* sender's pid */
  87                         unsigned int _uid;              /* sender's uid */
  88                 } _kill;
  89
  90                 /* POSIX.1b timers */
  91                 struct {
  92                         unsigned int _timer1;
  93                         unsigned int _timer2;
  94                 } _timer;
  95
  96                 /* POSIX.1b signals */
  97                 struct {
  98                         __kernel_pid_t32 _pid;          /* sender's pid */
  99                         unsigned int _uid;              /* sender's uid */
 100                         sigval_t32 _sigval;
 101                 } _rt;
 102
 103                 /* SIGCHLD */
 104                 struct {
 105                         __kernel_pid_t32 _pid;          /* which child */
 106                         unsigned int _uid;              /* sender's uid */
 107                         int _status;                    /* exit code */
 108                         __kernel_clock_t32 _utime;
 109                         __kernel_clock_t32 _stime;
 110                 } _sigchld;
 111
 112                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
 113                 struct {
 114                         u32 _addr; /* faulting insn/memory ref. */
 115                         int _trapno;
 116                 } _sigfault;
 117
 118                 /* SIGPOLL */
 119                 struct {
 120                         int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
 121                         int _fd;
 122                 } _sigpoll;
 123         } _sifields;
 124 } siginfo_t32;
 125
 126 #endif /* __KERNEL__ */
 127
 128 /*
 129  * How these fields are to be accessed.
 130  */
 131 #define si_pid          _sifields._kill._pid
 132 #define si_uid          _sifields._kill._uid
 133 #define si_status       _sifields._sigchld._status
 134 #define si_utime        _sifields._sigchld._utime
 135 #define si_stime        _sifields._sigchld._stime
 136 #define si_value        _sifields._rt._sigval
 137 #define si_int          _sifields._rt._sigval.sival_int
 138 #define si_ptr          _sifields._rt._sigval.sival_ptr
 139 #define si_addr         _sifields._sigfault._addr
 140 #define si_trapno       _sifields._sigfault._trapno
 141 #define si_band         _sifields._sigpoll._band
 142 #define si_fd           _sifields._sigpoll._fd
 143
 144 #ifdef __KERNEL__
 145 #define __SI_MASK       0xffff0000
 146 #define __SI_KILL       (0 << 16)
 147 #define __SI_TIMER      (1 << 16)
 148 #define __SI_POLL       (2 << 16)
 149 #define __SI_FAULT      (3 << 16)
 150 #define __SI_CHLD       (4 << 16)
 151 #define __SI_RT         (5 << 16)
 152 #define __SI_CODE(T,N)  ((T) << 16 | ((N) & 0xffff))
 153 #else
 154 #define __SI_KILL       0
 155 #define __SI_TIMER      0
 156 #define __SI_POLL       0
 157 #define __SI_FAULT      0
 158 #define __SI_CHLD       0
 159 #define __SI_RT         0
 160 #define __SI_CODE(T,N)  (N)
 161 #endif
 162
 163 /*
 164  * si_code values
 165  * Digital reserves positive values for kernel-generated signals.
 166  */
 167 #define SI_NOINFO       32767           /* no information in siginfo_t */
 168 #define SI_USER         0               /* sent by kill, sigsend, raise */
 169 #define SI_KERNEL       0x80            /* sent by the kernel from somewhere */
 170 #define SI_QUEUE        -1              /* sent by sigqueue */
 171 #define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */
 172 #define SI_MESGQ        -3              /* sent by real time mesq state change */
 173 #define SI_ASYNCIO      -4              /* sent by AIO completion */
 174 #define SI_SIGIO        -5              /* sent by queued SIGIO */
 175
 176 #define SI_FROMUSER(siptr)      ((siptr)->si_code <= 0)
 177 #define SI_FROMKERNEL(siptr)    ((siptr)->si_code > 0)
 178
 179 /*
 180  * SIGILL si_codes
 181  */
 182 #define ILL_ILLOPC      (__SI_FAULT|1)  /* illegal opcode */
 183 #define ILL_ILLOPN      (__SI_FAULT|2)  /* illegal operand */
 184 #define ILL_ILLADR      (__SI_FAULT|3)  /* illegal addressing mode */
 185 #define ILL_ILLTRP      (__SI_FAULT|4)  /* illegal trap */
 186 #define ILL_PRVOPC      (__SI_FAULT|5)  /* privileged opcode */
 187 #define ILL_PRVREG      (__SI_FAULT|6)  /* privileged register */
 188 #define ILL_COPROC      (__SI_FAULT|7)  /* coprocessor error */
 189 #define ILL_BADSTK      (__SI_FAULT|8)  /* internal stack error */
 190 #define NSIGILL         8
 191
 192 /*
 193  * SIGFPE si_codes
 194  */
 195 #define FPE_INTDIV      (__SI_FAULT|1)  /* integer divide by zero */
 196 #define FPE_INTOVF      (__SI_FAULT|2)  /* integer overflow */
 197 #define FPE_FLTDIV      (__SI_FAULT|3)  /* floating point divide by zero */
 198 #define FPE_FLTOVF      (__SI_FAULT|4)  /* floating point overflow */
 199 #define FPE_FLTUND      (__SI_FAULT|5)  /* floating point underflow */
 200 #define FPE_FLTRES      (__SI_FAULT|6)  /* floating point inexact result */
 201 #define FPE_FLTINV      (__SI_FAULT|7)  /* floating point invalid operation */
 202 #define FPE_FLTSUB      (__SI_FAULT|8)  /* subscript out of range */
 203 #define NSIGFPE         8
 204
 205 /*
 206  * SIGSEGV si_codes
 207  */
 208 #define SEGV_MAPERR     (__SI_FAULT|1)  /* address not mapped to object */
 209 #define SEGV_ACCERR     (__SI_FAULT|2)  /* invalid permissions for mapped object */
 210 #define NSIGSEGV        2
 211
 212 /*
 213  * SIGBUS si_codes
 214  */
 215 #define BUS_ADRALN      (__SI_FAULT|1)  /* invalid address alignment */
 216 #define BUS_ADRERR      (__SI_FAULT|2)  /* non-existant physical address */
 217 #define BUS_OBJERR      (__SI_FAULT|3)  /* object specific hardware error */
 218 #define NSIGBUS         3
 219
 220 /*
 221  * SIGTRAP si_codes
 222  */
 223 #define TRAP_BRKPT      (__SI_FAULT|1)  /* process breakpoint */
 224 #define TRAP_TRACE      (__SI_FAULT|2)  /* process trace trap */
 225 #define NSIGTRAP        2
 226
 227 /*
 228  * SIGCHLD si_codes
 229  */
 230 #define CLD_EXITED      (__SI_CHLD|1)   /* child has exited */
 231 #define CLD_KILLED      (__SI_CHLD|2)   /* child was killed */
 232 #define CLD_DUMPED      (__SI_CHLD|3)   /* child terminated abnormally */
 233 #define CLD_TRAPPED     (__SI_CHLD|4)   /* traced child has trapped */
 234 #define CLD_STOPPED     (__SI_CHLD|5)   /* child has stopped */
 235 #define CLD_CONTINUED   (__SI_CHLD|6)   /* stopped child has continued */
 236 #define NSIGCHLD        6
 237
 238 /*
 239  * SIGPOLL si_codes
 240  */
 241 #define POLL_IN         (__SI_POLL|1)   /* data input available */
 242 #define POLL_OUT        (__SI_POLL|2)   /* output buffers available */
 243 #define POLL_MSG        (__SI_POLL|3)   /* input message available */
 244 #define POLL_ERR        (__SI_POLL|4)   /* i/o error */
 245 #define POLL_PRI        (__SI_POLL|5)   /* high priority input available */
 246 #define POLL_HUP        (__SI_POLL|6)   /* device disconnected */
 247 #define NSIGPOLL        6
 248
 249 /*
 250  * SIGEMT si_codes
 251  */
 252 #define EMT_TAGOVF      (__SI_FAULT|1)  /* tag overflow */
 253 #define NSIGEMT         1
 254
 255 /*
 256  * sigevent definitions
 257  *
 258  * It seems likely that SIGEV_THREAD will have to be handled from
 259  * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
 260  * thread manager then catches and does the appropriate nonsense.
 261  * However, everything is written out here so as to not get lost.
 262  */
 263 #define SIGEV_SIGNAL    0       /* notify via signal */
 264 #define SIGEV_NONE      1       /* other notification: meaningless */
 265 #define SIGEV_THREAD    2       /* deliver via thread creation */
 266
 267 #define SIGEV_MAX_SIZE  64
 268 #define SIGEV_PAD_SIZE  ((SIGEV_MAX_SIZE/sizeof(int)) - 4)
 269 #define SIGEV_PAD_SIZE32 ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
 270
 271 typedef struct sigevent {
 272         sigval_t sigev_value;
 273         int sigev_signo;
 274         int sigev_notify;
 275         union {
 276                 int _pad[SIGEV_PAD_SIZE];
 277
 278                 struct {
 279                         void (*_function)(sigval_t);
 280                         void *_attribute;       /* really pthread_attr_t */
 281                 } _sigev_thread;
 282         } _sigev_un;
 283 } sigevent_t;
 284
 285 #ifdef __KERNEL__
 286
 287 typedef struct sigevent32 {
 288         sigval_t sigev_value;
 289         int sigev_signo;
 290         int sigev_notify;
 291         union {
 292                 int _pad[SIGEV_PAD_SIZE32];
 293
 294                 struct {
 295                         u32 _function;
 296                         u32 _attribute; /* really pthread_attr_t */
 297                 } _sigev_thread;
 298         } _sigev_un;
 299 } sigevent_t32;
 300
 301 #include <linux/string.h>
 302
 303 extern inline void copy_siginfo(siginfo_t *to, siginfo_t *from)
 304 {
 305         if (from->si_code < 0)
 306                 *to = *from;
 307         else
 308                 /* _sigchld is currently the largest know union member */
 309                 memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
 310 }
 311
 312 extern int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from);
 313 extern int copy_siginfo_to_user32(siginfo_t32 *to, siginfo_t *from);
 314
 315 #endif /* __KERNEL__ */
 316
 317 #define sigev_notify_function   _sigev_un._sigev_thread._function
 318 #define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 319
 320 #endif