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 */ 40