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>
11struct ksignal;
12int ia32_setup_rt_frame(int sig, struct ksignal *ksig,
13 compat_sigset_t *set, struct pt_regs *regs);
14int 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
23extern void convert_from_fxsr(struct user_i387_ia32_struct *env,
24 struct task_struct *tsk);
25extern void convert_to_fxsr(struct task_struct *tsk,
26 const struct user_i387_ia32_struct *env);
27
28unsigned long
29fpu__alloc_mathframe(unsigned long sp, int ia32_frame,
30 unsigned long *buf_fx, unsigned long *size);
31
32extern void fpu__init_prepare_fx_sw_frame(void);
33
34#endif /* _ASM_X86_FPU_SIGNAL_H */
35