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linux
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 <asm/sigcontext32.h>
9# include <asm/user32.h>
10struct ksignal;
11int ia32_setup_rt_frame(int sig, struct ksignal *ksig,
12 compat_sigset_t *set, struct pt_regs *regs);
13int 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
22extern void convert_from_fxsr(struct user_i387_ia32_struct *env,
23 struct task_struct *tsk);
24extern void convert_to_fxsr(struct task_struct *tsk,
25 const struct user_i387_ia32_struct *env);
26
27unsigned long
28fpu__alloc_mathframe(unsigned long sp, int ia32_frame,
29 unsigned long *buf_fx, unsigned long *size);
30
31extern void fpu__init_prepare_fx_sw_frame(void);
32
33#endif /* _ASM_X86_FPU_SIGNAL_H */