linux/arch/ia64/include/asm/siginfo.h
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   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
  19typedef 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#undef NSIGTRAP
 117#define NSIGTRAP        4
 118
 119#ifdef __KERNEL__
 120#include <linux/string.h>
 121
 122static inline void
 123copy_siginfo (siginfo_t *to, siginfo_t *from)
 124{
 125        if (from->si_code < 0)
 126                memcpy(to, from, sizeof(siginfo_t));
 127        else
 128                /* _sigchld is currently the largest know union member */
 129                memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
 130}
 131
 132#endif /* __KERNEL__ */
 133
 134#endif /* _ASM_IA64_SIGINFO_H */
 135