arch/parisc/include/asm/rt_sigframe.h

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