include/asm-parisc/rt_sigframe.h

   1 #ifndef _ASM_PARISC_RT_SIGFRAME_H
   2 #define _ASM_PARISC_RT_SIGFRAME_H
   3
   4 #ifdef CONFIG_COMPAT
   5 #include <asm/compat_rt_sigframe.h>
   6 #endif
   7
   8 #define SIGRETURN_TRAMP 4
   9 #define SIGRESTARTBLOCK_TRAMP 5
  10 #define TRAMP_SIZE (SIGRETURN_TRAMP + SIGRESTARTBLOCK_TRAMP)
  11
  12 struct rt_sigframe {
  13         /* XXX: Must match trampoline size in arch/parisc/kernel/signal.c
  14                 Secondary to that it must protect the ERESTART_RESTARTBLOCK
  15                 trampoline we left on the stack (we were bad and didn't
  16                 change sp so we could run really fast.) */
  17         unsigned int tramp[TRAMP_SIZE];
  18         struct siginfo info;
  19         struct ucontext uc;
  20 };
  21
  22 #define SIGFRAME                128
  23 #define FUNCTIONCALLFRAME       96
  24 #define PARISC_RT_SIGFRAME_SIZE                                 \
  25         (((sizeof(struct rt_sigframe) + FUNCTIONCALLFRAME) + SIGFRAME) & -SIGFRAME)
  26
  27 #endif