arch/parisc/include/asm/rt_sigframe.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_PARISC_RT_SIGFRAME_H
   3 #define _ASM_PARISC_RT_SIGFRAME_H
   4
   5 #define SIGRETURN_TRAMP 4
   6 #define SIGRESTARTBLOCK_TRAMP 5
   7 #define TRAMP_SIZE (SIGRETURN_TRAMP + SIGRESTARTBLOCK_TRAMP)
   8
   9 struct rt_sigframe {
  10         /* XXX: Must match trampoline size in arch/parisc/kernel/signal.c
  11                 Secondary to that it must protect the ERESTART_RESTARTBLOCK
  12                 trampoline we left on the stack (we were bad and didn't
  13                 change sp so we could run really fast.) */
  14         unsigned int tramp[TRAMP_SIZE];
  15         struct siginfo info;
  16         struct ucontext uc;
  17 };
  18
  19 #define SIGFRAME                128
  20 #define FUNCTIONCALLFRAME       96
  21 #define PARISC_RT_SIGFRAME_SIZE                                 \
  22         (((sizeof(struct rt_sigframe) + FUNCTIONCALLFRAME) + SIGFRAME) & -SIGFRAME)
  23
  24 #endif