1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * x86 FPU signal frame handling methods: 4 */ 5 #ifndef _ASM_X86_FPU_SIGNAL_H 6 #define _ASM_X86_FPU_SIGNAL_H 7 8 #ifdef CONFIG_X86_64 9 # include <uapi/asm/sigcontext.h> 10 # include <asm/user32.h> 11 struct ksignal; 12 int ia32_setup_rt_frame(int sig, struct ksignal *ksig, 13 compat_sigset_t *set, struct pt_regs *regs); 14 int ia32_setup_frame(int sig, struct ksignal *ksig, 15 compat_sigset_t *set, struct pt_regs *regs); 16 #else 17 # define user_i387_ia32_struct user_i387_struct 18 # define user32_fxsr_struct user_fxsr_struct 19 # define ia32_setup_frame __setup_frame 20 # define ia32_setup_rt_frame __setup_rt_frame 21 #endif 22 23 extern void convert_from_fxsr(struct user_i387_ia32_struct *env, 24 struct task_struct *tsk); 25 extern void convert_to_fxsr(struct fxregs_state *fxsave, 26 const struct user_i387_ia32_struct *env); 27 28 unsigned long 29 fpu__alloc_mathframe(unsigned long sp, int ia32_frame, 30 unsigned long *buf_fx, unsigned long *size); 31 32 extern void fpu__init_prepare_fx_sw_frame(void); 33 34 #endif /* _ASM_X86_FPU_SIGNAL_H */ 35