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

   1/* SPDX-License-Identifier: GPL-2.0 */
   2struct 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
   8struct 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
  26extern void ia64_do_signal (struct sigscratch *, long);
  27