arch/ia64/kernel/sigframe.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 struct sigscratch {
   3         unsigned long scratch_unat;     /* ar.unat for the general registers saved in pt */
   4         unsigned long ar_pfs;           /* for syscalls, the user-level function-state  */
   5         struct pt_regs pt;
   6 };
   7
   8 struct sigframe {
   9         /*
  10          * Place signal handler args where user-level unwinder can find them easily.
  11          * DO NOT MOVE THESE.  They are part of the IA-64 Linux ABI and there is
  12          * user-level code that depends on their presence!
  13          */
  14         unsigned long arg0;             /* signum */
  15         unsigned long arg1;             /* siginfo pointer */
  16         unsigned long arg2;             /* sigcontext pointer */
  17         /*
  18          * End of architected state.
  19          */
  20
  21         void __user *handler;           /* pointer to the plabel of the signal handler */
  22         struct siginfo info;
  23         struct sigcontext sc;
  24 };
  25
  26 extern void ia64_do_signal (struct sigscratch *, long);