arch/ia64/kernel/sigframe.h

   1 struct 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
   7 struct 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
  25 extern long ia64_do_signal (sigset_t *, struct sigscratch *, long);