LXR linux/arch/ia64/kernel/sigframe.h

   1struct sigscratch {
   2        unsigned long scratch_unat;     /* ar.unat for the general registers saved in pt */
   3        unsigned long ar_pfs;           /* for syscalls, the user-level function-state  */
   4        struct pt_regs pt;
   5};
   6
   7struct sigframe {
   8        /*
   9         * Place signal handler args where user-level unwinder can find them easily.
  10         * DO NOT MOVE THESE.  They are part of the IA-64 Linux ABI and there is
  11         * user-level code that depends on their presence!
  12         */
  13        unsigned long arg0;             /* signum */
  14        unsigned long arg1;             /* siginfo pointer */
  15        unsigned long arg2;             /* sigcontext pointer */
  16        /*
  17         * End of architected state.
  18         */
  19
  20        void __user *handler;           /* pointer to the plabel of the signal handler */
  21        struct siginfo info;
  22        struct sigcontext sc;
  23};
  24
  25extern void ia64_do_signal (struct sigscratch *, long);
  26