arch/x86/include/asm/fpu/signal.h

   1 /*
   2  * x86 FPU signal frame handling methods:
   3  */
   4 #ifndef _ASM_X86_FPU_SIGNAL_H
   5 #define _ASM_X86_FPU_SIGNAL_H
   6
   7 #ifdef CONFIG_X86_64
   8 # include <uapi/asm/sigcontext.h>
   9 # include <asm/user32.h>
  10 struct ksignal;
  11 int ia32_setup_rt_frame(int sig, struct ksignal *ksig,
  12                         compat_sigset_t *set, struct pt_regs *regs);
  13 int ia32_setup_frame(int sig, struct ksignal *ksig,
  14                      compat_sigset_t *set, struct pt_regs *regs);
  15 #else
  16 # define user_i387_ia32_struct  user_i387_struct
  17 # define user32_fxsr_struct     user_fxsr_struct
  18 # define ia32_setup_frame       __setup_frame
  19 # define ia32_setup_rt_frame    __setup_rt_frame
  20 #endif
  21
  22 #ifdef CONFIG_COMPAT
  23 int __copy_siginfo_to_user32(compat_siginfo_t __user *to,
  24                 const siginfo_t *from, bool x32_ABI);
  25 #endif
  26
  27
  28 extern void convert_from_fxsr(struct user_i387_ia32_struct *env,
  29                               struct task_struct *tsk);
  30 extern void convert_to_fxsr(struct task_struct *tsk,
  31                             const struct user_i387_ia32_struct *env);
  32
  33 unsigned long
  34 fpu__alloc_mathframe(unsigned long sp, int ia32_frame,
  35                      unsigned long *buf_fx, unsigned long *size);
  36
  37 extern void fpu__init_prepare_fx_sw_frame(void);
  38
  39 #endif /* _ASM_X86_FPU_SIGNAL_H */