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 __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                 } _sigfault;
  66
  67                 /* SIGPOLL */
  68                 struct {
  69                         long _band;     /* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */
  70                         int _fd;
  71                 } _sigpoll;
  72         } _sifields;
  73 } siginfo_t;
  74
  75 #define si_imm          _sifields._sigfault._imm        /* as per UNIX SysV ABI spec */
  76 #define si_flags        _sifields._sigfault._flags
  77 /*
  78  * si_isr is valid for SIGILL, SIGFPE, SIGSEGV, SIGBUS, and SIGTRAP provided that
  79  * si_code is non-zero and __ISR_VALID is set in si_flags.
  80  */
  81 #define si_isr          _sifields._sigfault._isr
  82
  83 /*
  84  * Flag values for si_flags:
  85  */
  86 #define __ISR_VALID_BIT 0
  87 #define __ISR_VALID     (1 << __ISR_VALID_BIT)
  88
  89 /*
  90  * SIGILL si_codes
  91  */
  92 #define ILL_BADIADDR    (__SI_FAULT|9)  /* unimplemented instruction address */
  93 #define __ILL_BREAK     (__SI_FAULT|10) /* illegal break */
  94 #define __ILL_BNDMOD    (__SI_FAULT|11) /* bundle-update (modification) in progress */
  95 #undef NSIGILL
  96 #define NSIGILL         11
  97
  98 /*
  99  * SIGFPE si_codes
 100  */
 101 #define __FPE_DECOVF    (__SI_FAULT|9)  /* decimal overflow */
 102 #define __FPE_DECDIV    (__SI_FAULT|10) /* decimal division by zero */
 103 #define __FPE_DECERR    (__SI_FAULT|11) /* packed decimal error */
 104 #define __FPE_INVASC    (__SI_FAULT|12) /* invalid ASCII digit */
 105 #define __FPE_INVDEC    (__SI_FAULT|13) /* invalid decimal digit */
 106 #undef NSIGFPE
 107 #define NSIGFPE         13
 108
 109 /*
 110  * SIGSEGV si_codes
 111  */
 112 #define __SEGV_PSTKOVF  (__SI_FAULT|3)  /* paragraph stack overflow */
 113 #undef NSIGSEGV
 114 #define NSIGSEGV        3
 115
 116 /*
 117  * SIGTRAP si_codes
 118  */
 119 #define TRAP_BRANCH     (__SI_FAULT|3)  /* process taken branch trap */
 120 #define TRAP_HWBKPT     (__SI_FAULT|4)  /* hardware breakpoint or watchpoint */
 121 #undef NSIGTRAP
 122 #define NSIGTRAP        4
 123
 124 #ifdef __KERNEL__
 125 #include <linux/string.h>
 126
 127 static inline void
 128 copy_siginfo (siginfo_t *to, siginfo_t *from)
 129 {
 130         if (from->si_code < 0)
 131                 memcpy(to, from, sizeof(siginfo_t));
 132         else
 133                 /* _sigchld is currently the largest know union member */
 134                 memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
 135 }
 136
 137 #endif /* __KERNEL__ */
 138
 139 #endif /* _ASM_IA64_SIGINFO_H */