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siginfo.h

#ifndef _ASM_IA64_SIGINFO_H
#define _ASM_IA64_SIGINFO_H

/*
 * Based on <asm-i386/siginfo.h>.
 *
 * Modified 1998-2002
 *    David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
 */

#define __ARCH_SI_PREAMBLE_SIZE     (4 * sizeof(int))

#define HAVE_ARCH_SIGINFO_T
#define HAVE_ARCH_COPY_SIGINFO
#define HAVE_ARCH_COPY_SIGINFO_TO_USER

#include <asm-generic/siginfo.h>

typedef struct siginfo {
      int si_signo;
      int si_errno;
      int si_code;
      int __pad0;

      union {
            int _pad[SI_PAD_SIZE];

            /* kill() */
            struct {
                  pid_t _pid;       /* sender's pid */
                  uid_t _uid;       /* sender's uid */
            } _kill;

            /* POSIX.1b timers */
            struct {
                  timer_t _tid;           /* timer id */
                  int _overrun;           /* overrun count */
                  char _pad[sizeof(__ARCH_SI_UID_T) - sizeof(int)];
                  sigval_t _sigval; /* must overlay ._rt._sigval! */
                  int _sys_private; /* not to be passed to user */
            } _timer;

            /* POSIX.1b signals */
            struct {
                  pid_t _pid;       /* sender's pid */
                  uid_t _uid;       /* sender's uid */
                  sigval_t _sigval;
            } _rt;

            /* SIGCHLD */
            struct {
                  pid_t _pid;       /* which child */
                  uid_t _uid;       /* sender's uid */
                  int _status;            /* exit code */
                  clock_t _utime;
                  clock_t _stime;
            } _sigchld;

            /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
            struct {
                  void __user *_addr;     /* faulting insn/memory ref. */
                  int _imm;         /* immediate value for "break" */
                  unsigned int _flags;    /* see below */
                  unsigned long _isr;     /* isr */
            } _sigfault;

            /* SIGPOLL */
            struct {
                  long _band; /* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */
                  int _fd;
            } _sigpoll;
      } _sifields;
} siginfo_t;

#define si_imm          _sifields._sigfault._imm      /* as per UNIX SysV ABI spec */
#define si_flags  _sifields._sigfault._flags
/*
 * si_isr is valid for SIGILL, SIGFPE, SIGSEGV, SIGBUS, and SIGTRAP provided that
 * si_code is non-zero and __ISR_VALID is set in si_flags.
 */
#define si_isr          _sifields._sigfault._isr

/*
 * Flag values for si_flags:
 */
#define __ISR_VALID_BIT 0
#define __ISR_VALID     (1 << __ISR_VALID_BIT)

/*
 * SIGILL si_codes
 */
#define ILL_BADIADDR    (__SI_FAULT|9)    /* unimplemented instruction address */
#define __ILL_BREAK     (__SI_FAULT|10)   /* illegal break */
#define __ILL_BNDMOD    (__SI_FAULT|11)   /* bundle-update (modification) in progress */
#undef NSIGILL
#define NSIGILL         11

/*
 * SIGFPE si_codes
 */
#define __FPE_DECOVF    (__SI_FAULT|9)    /* decimal overflow */
#define __FPE_DECDIV    (__SI_FAULT|10)   /* decimal division by zero */
#define __FPE_DECERR    (__SI_FAULT|11)   /* packed decimal error */
#define __FPE_INVASC    (__SI_FAULT|12)   /* invalid ASCII digit */
#define __FPE_INVDEC    (__SI_FAULT|13)   /* invalid decimal digit */
#undef NSIGFPE
#define NSIGFPE         13

/*
 * SIGSEGV si_codes
 */
#define __SEGV_PSTKOVF  (__SI_FAULT|3)    /* paragraph stack overflow */
#undef NSIGSEGV
#define NSIGSEGV  3

#undef NSIGTRAP
#define NSIGTRAP  4

#ifdef __KERNEL__
#include <linux/string.h>

static inline void
copy_siginfo (siginfo_t *to, siginfo_t *from)
{
      if (from->si_code < 0)
            memcpy(to, from, sizeof(siginfo_t));
      else
            /* _sigchld is currently the largest know union member */
            memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
}

#endif /* __KERNEL__ */

#endif /* _ASM_IA64_SIGINFO_H */

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