diff options
Diffstat (limited to 'arch/x86/include/asm/fpu/signal.h')
| -rw-r--r-- | arch/x86/include/asm/fpu/signal.h | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/arch/x86/include/asm/fpu/signal.h b/arch/x86/include/asm/fpu/signal.h index 20a1fbf7fe4e..eccc75bc9c4f 100644 --- a/arch/x86/include/asm/fpu/signal.h +++ b/arch/x86/include/asm/fpu/signal.h @@ -1,39 +1,37 @@ +/* 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 - -#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, +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); -extern void fpu__init_prepare_fx_sw_frame(void); +unsigned long fpu__get_fpstate_size(void); + +extern bool copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size, u32 pkru); +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 */ |