40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
|
/*
|
||
|
|
* x86 FPU signal frame handling methods:
|
||
|
|
*/
|
||
|
|
#ifndef _ASM_X86_FPU_SIGNAL_H
|
||
|
|
#define _ASM_X86_FPU_SIGNAL_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
|
||
|
|
|
||
|
|
#ifdef CONFIG_COMPAT
|
||
|
|
int __copy_siginfo_to_user32(compat_siginfo_t __user *to,
|
||
|
|
const siginfo_t *from, bool x32_ABI);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
extern void convert_from_fxsr(struct user_i387_ia32_struct *env,
|
||
|
|
struct task_struct *tsk);
|
||
|
|
extern void convert_to_fxsr(struct task_struct *tsk,
|
||
|
|
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);
|
||
|
|
|
||
|
|
extern void fpu__init_prepare_fx_sw_frame(void);
|
||
|
|
|
||
|
|
#endif /* _ASM_X86_FPU_SIGNAL_H */
|