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NAME	SIZE	ACTIONS
📄 api.h	4,697 B	[ EDIT ] \| [ DEL ]
📄 internal.h	0 B	[ EDIT ] \| [ DEL ]
📄 regset.h	637 B	[ EDIT ] \| [ DEL ]
📄 sched.h	2,065 B	[ EDIT ] \| [ DEL ]
📄 signal.h	1,409 B	[ EDIT ] \| [ DEL ]
📄 types.h	14,261 B	[ EDIT ] \| [ DEL ]
📄 xcr.h	793 B	[ EDIT ] \| [ DEL ]
📄 xstate.h	4,441 B	[ EDIT ] \| [ DEL ]

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EDIT: signal.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * x86 FPU signal frame handling methods:
 */
#ifndef _ASM_X86_FPU_SIGNAL_H
#define _ASM_X86_FPU_SIGNAL_H

#include <linux/compat.h>
#include <linux/user.h>

#include <asm/fpu/types.h>

#ifdef CONFIG_X86_64
# include <uapi/asm/sigcontext.h>
# include <asm/user32.h>
struct ksignal;
int ia32_setup_rt_frame(int sig, struct ksignal *ksig,
			compat_sigset_t *set, struct pt_regs *regs);
int ia32_setup_frame(int sig, struct ksignal *ksig,
		     compat_sigset_t *set, struct pt_regs *regs);
#else
# define user_i387_ia32_struct	user_i387_struct
# define user32_fxsr_struct	user_fxsr_struct
# define ia32_setup_frame	__setup_frame
# define ia32_setup_rt_frame	__setup_rt_frame
#endif

extern void convert_from_fxsr(struct user_i387_ia32_struct *env,
			      struct task_struct *tsk);
extern void convert_to_fxsr(struct fxregs_state *fxsave,
			    const struct user_i387_ia32_struct *env);

unsigned long
fpu__alloc_mathframe(unsigned long sp, int ia32_frame,
		     unsigned long *buf_fx, unsigned long *size);

unsigned long fpu__get_fpstate_size(void);

extern bool copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size);
extern void fpu__clear_user_states(struct fpu *fpu);
extern bool fpu__restore_sig(void __user *buf, int ia32_frame);

extern void restore_fpregs_from_fpstate(struct fpstate *fpstate, u64 mask);
#endif /* _ASM_X86_FPU_SIGNAL_H */