include/asm-ia64/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 SI_PAD_SIZE     ((SI_MAX_SIZE/sizeof(int)) - 4)
  12
  13 #define SIGEV_PAD_SIZE  ((SIGEV_MAX_SIZE/sizeof(int)) - 4)
  14
  15 #define HAVE_ARCH_SIGINFO_T
  16 #define HAVE_ARCH_COPY_SIGINFO
  17 #define HAVE_ARCH_COPY_SIGINFO_TO_USER
  18
  19 #include <asm-generic/siginfo.h>
  20
  21 typedef struct siginfo {
  22         int si_signo;
  23         int si_errno;
  24         int si_code;
  25         int __pad0;
  26
  27         union {
  28                 int _pad[SI_PAD_SIZE];
  29
  30                 /* kill() */
  31                 struct {
  32                         pid_t _pid;             /* sender's pid */
  33                         uid_t _uid;             /* sender's uid */
  34                 } _kill;
  35
  36                 /* POSIX.1b timers */
  37                 struct {
  38                         timer_t _tid;           /* timer id */
  39                         int _overrun;           /* overrun count */
  40                         char _pad[sizeof(__ARCH_SI_UID_T) - sizeof(int)];
  41                         sigval_t _sigval;       /* must overlay ._rt._sigval! */
  42                         int _sys_private;       /* not to be passed to user */
  43                 } _timer;
  44
  45                 /* POSIX.1b signals */
  46                 struct {
  47                         pid_t _pid;             /* sender's pid */
  48                         uid_t _uid;             /* sender's uid */
  49                         sigval_t _sigval;
  50                 } _rt;
  51
  52                 /* SIGCHLD */
  53                 struct {
  54                         pid_t _pid;             /* which child */
  55                         uid_t _uid;             /* sender's uid */
  56                         int _status;            /* exit code */
  57                         clock_t _utime;
  58                         clock_t _stime;
  59                 } _sigchld;
  60
  61                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
  62                 struct {
  63                         void __user *_addr;     /* faulting insn/memory ref. */
  64                         int _imm;               /* immediate value for "break" */
  65                         unsigned int _flags;    /* see below */
  66                         unsigned long _isr;     /* isr */
  67                 } _sigfault;
  68
  69                 /* SIGPOLL */
  70                 struct {
  71                         long _band;     /* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */
  72                         int _fd;
  73                 } _sigpoll;
  74         } _sifields;
  75 } siginfo_t;
  76
  77 #define si_imm          _sifields._sigfault._imm        /* as per UNIX SysV ABI spec */
  78 #define si_flags        _sifields._sigfault._flags
  79 /*
  80  * si_isr is valid for SIGILL, SIGFPE, SIGSEGV, SIGBUS, and SIGTRAP provided that
  81  * si_code is non-zero and __ISR_VALID is set in si_flags.
  82  */
  83 #define si_isr          _sifields._sigfault._isr
  84
  85 /*
  86  * Flag values for si_flags:
  87  */
  88 #define __ISR_VALID_BIT 0
  89 #define __ISR_VALID     (1 << __ISR_VALID_BIT)
  90
  91 /*
  92  * SIGILL si_codes
  93  */
  94 #define ILL_BADIADDR    (__SI_FAULT|9)  /* unimplemented instruction address */
  95 #define __ILL_BREAK     (__SI_FAULT|10) /* illegal break */
  96 #define __ILL_BNDMOD    (__SI_FAULT|11) /* bundle-update (modification) in progress */
  97 #undef NSIGILL
  98 #define NSIGILL         11
  99
 100 /*
 101  * SIGFPE si_codes
 102  */
 103 #define __FPE_DECOVF    (__SI_FAULT|9)  /* decimal overflow */
 104 #define __FPE_DECDIV    (__SI_FAULT|10) /* decimal division by zero */
 105 #define __FPE_DECERR    (__SI_FAULT|11) /* packed decimal error */
 106 #define __FPE_INVASC    (__SI_FAULT|12) /* invalid ASCII digit */
 107 #define __FPE_INVDEC    (__SI_FAULT|13) /* invalid decimal digit */
 108 #undef NSIGFPE
 109 #define NSIGFPE         13
 110
 111 /*
 112  * SIGSEGV si_codes
 113  */
 114 #define __SEGV_PSTKOVF  (__SI_FAULT|3)  /* paragraph stack overflow */
 115 #undef NSIGSEGV
 116 #define NSIGSEGV        3
 117
 118 /*
 119  * SIGTRAP si_codes
 120  */
 121 #define TRAP_BRANCH     (__SI_FAULT|3)  /* process taken branch trap */
 122 #define TRAP_HWBKPT     (__SI_FAULT|4)  /* hardware breakpoint or watchpoint */
 123 #undef NSIGTRAP
 124 #define NSIGTRAP        4
 125
 126 #ifdef __KERNEL__
 127 #include <linux/string.h>
 128
 129 static inline void
 130 copy_siginfo (siginfo_t *to, siginfo_t *from)
 131 {
 132         if (from->si_code < 0)
 133                 memcpy(to, from, sizeof(siginfo_t));
 134         else
 135                 /* _sigchld is currently the largest know union member */
 136                 memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
 137 }
 138
 139 #endif /* __KERNEL__ */
 140
 141 #endif /* _ASM_IA64_SIGINFO_H */