arch/ia64/include/asm/siginfo.h

   1 #ifndef _ASM_IA64_SIGINFO_H
   2 #define _ASM_IA64_SIGINFO_H
   3
   4 /*
   5  * Based on <asm-i386/siginfo.h>.
   6  *
   7  * Modified 1998-2002
   8  *      David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
   9  */
  10
  11 #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
  12
  13 #define HAVE_ARCH_SIGINFO_T
  14 #define HAVE_ARCH_COPY_SIGINFO
  15 #define HAVE_ARCH_COPY_SIGINFO_TO_USER
  16
  17 #include <asm-generic/siginfo.h>
  18
  19 typedef struct siginfo {
  20         int si_signo;
  21         int si_errno;
  22         int si_code;
  23         int __pad0;
  24
  25         union {
  26                 int _pad[SI_PAD_SIZE];
  27
  28                 /* kill() */
  29                 struct {
  30                         pid_t _pid;             /* sender's pid */
  31                         uid_t _uid;             /* sender's uid */
  32                 } _kill;
  33
  34                 /* POSIX.1b timers */
  35                 struct {
  36                         timer_t _tid;           /* timer id */
  37                         int _overrun;           /* overrun count */
  38                         char _pad[sizeof(__ARCH_SI_UID_T) - sizeof(int)];
  39                         sigval_t _sigval;       /* must overlay ._rt._sigval! */
  40                         int _sys_private;       /* not to be passed to user */
  41                 } _timer;
  42
  43                 /* POSIX.1b signals */
  44                 struct {
  45                         pid_t _pid;             /* sender's pid */
  46                         uid_t _uid;             /* sender's uid */
  47                         sigval_t _sigval;
  48                 } _rt;
  49
  50                 /* SIGCHLD */
  51                 struct {
  52                         pid_t _pid;             /* which child */
  53                         uid_t _uid;             /* sender's uid */
  54                         int _status;            /* exit code */
  55                         clock_t _utime;
  56                         clock_t _stime;
  57                 } _sigchld;
  58
  59                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
  60                 struct {
  61                         void __user *_addr;     /* faulting insn/memory ref. */
  62                         int _imm;               /* immediate value for "break" */
  63                         unsigned int _flags;    /* see below */
  64                         unsigned long _isr;     /* isr */
  65                         short _addr_lsb;        /* lsb of faulting address */
  66                 } _sigfault;
  67
  68                 /* SIGPOLL */
  69                 struct {
  70                         long _band;     /* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */
  71                         int _fd;
  72                 } _sigpoll;
  73         } _sifields;
  74 } siginfo_t;
  75
  76 #define si_imm          _sifields._sigfault._imm        /* as per UNIX SysV ABI spec */
  77 #define si_flags        _sifields._sigfault._flags
  78 /*
  79  * si_isr is valid for SIGILL, SIGFPE, SIGSEGV, SIGBUS, and SIGTRAP provided that
  80  * si_code is non-zero and __ISR_VALID is set in si_flags.
  81  */
  82 #define si_isr          _sifields._sigfault._isr
  83
  84 /*
  85  * Flag values for si_flags:
  86  */
  87 #define __ISR_VALID_BIT 0
  88 #define __ISR_VALID     (1 << __ISR_VALID_BIT)
  89
  90 /*
  91  * SIGILL si_codes
  92  */
  93 #define ILL_BADIADDR    (__SI_FAULT|9)  /* unimplemented instruction address */
  94 #define __ILL_BREAK     (__SI_FAULT|10) /* illegal break */
  95 #define __ILL_BNDMOD    (__SI_FAULT|11) /* bundle-update (modification) in progress */
  96 #undef NSIGILL
  97 #define NSIGILL         11
  98
  99 /*
 100  * SIGFPE si_codes
 101  */
 102 #define __FPE_DECOVF    (__SI_FAULT|9)  /* decimal overflow */
 103 #define __FPE_DECDIV    (__SI_FAULT|10) /* decimal division by zero */
 104 #define __FPE_DECERR    (__SI_FAULT|11) /* packed decimal error */
 105 #define __FPE_INVASC    (__SI_FAULT|12) /* invalid ASCII digit */
 106 #define __FPE_INVDEC    (__SI_FAULT|13) /* invalid decimal digit */
 107 #undef NSIGFPE
 108 #define NSIGFPE         13
 109
 110 /*
 111  * SIGSEGV si_codes
 112  */
 113 #define __SEGV_PSTKOVF  (__SI_FAULT|3)  /* paragraph stack overflow */
 114 #undef NSIGSEGV
 115 #define NSIGSEGV        3
 116
 117 #undef NSIGTRAP
 118 #define NSIGTRAP        4
 119
 120 #ifdef __KERNEL__
 121 #include <linux/string.h>
 122
 123 static inline void
 124 copy_siginfo (siginfo_t *to, siginfo_t *from)
 125 {
 126         if (from->si_code < 0)
 127                 memcpy(to, from, sizeof(siginfo_t));
 128         else
 129                 /* _sigchld is currently the largest know union member */
 130                 memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
 131 }
 132
 133 #endif /* __KERNEL__ */
 134
 135 #endif /* _ASM_IA64_SIGINFO_H */